mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
2764 lines
107 KiB
2764 lines
107 KiB
/* |
|
* MXF muxer |
|
* Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com> |
|
* Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com> |
|
* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2.1 of the License, or (at your option) any later version. |
|
* |
|
* FFmpeg is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with FFmpeg; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
/* |
|
* signal_standard, color_siting, store_user_comments and klv_fill_key version |
|
* fixes sponsored by NOA GmbH |
|
*/ |
|
|
|
/* |
|
* References |
|
* SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value |
|
* SMPTE 377M MXF File Format Specifications |
|
* SMPTE 379M MXF Generic Container |
|
* SMPTE 381M Mapping MPEG Streams into the MXF Generic Container |
|
* SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container |
|
* SMPTE RP210: SMPTE Metadata Dictionary |
|
* SMPTE RP224: Registry of SMPTE Universal Labels |
|
*/ |
|
|
|
#include <inttypes.h> |
|
#include <math.h> |
|
#include <time.h> |
|
|
|
#include "libavutil/opt.h" |
|
#include "libavutil/random_seed.h" |
|
#include "libavutil/timecode.h" |
|
#include "libavutil/avassert.h" |
|
#include "libavutil/pixdesc.h" |
|
#include "libavutil/time_internal.h" |
|
#include "libavcodec/bytestream.h" |
|
#include "libavcodec/dnxhddata.h" |
|
#include "libavcodec/h264.h" |
|
#include "libavcodec/internal.h" |
|
#include "audiointerleave.h" |
|
#include "avformat.h" |
|
#include "avio_internal.h" |
|
#include "internal.h" |
|
#include "mxf.h" |
|
#include "config.h" |
|
|
|
extern AVOutputFormat ff_mxf_d10_muxer; |
|
extern AVOutputFormat ff_mxf_opatom_muxer; |
|
|
|
#define EDIT_UNITS_PER_BODY 250 |
|
#define KAG_SIZE 512 |
|
|
|
typedef struct MXFLocalTagPair { |
|
int local_tag; |
|
UID uid; |
|
} MXFLocalTagPair; |
|
|
|
typedef struct MXFIndexEntry { |
|
uint8_t flags; |
|
uint64_t offset; |
|
unsigned slice_offset; ///< offset of audio slice |
|
uint16_t temporal_ref; |
|
} MXFIndexEntry; |
|
|
|
typedef struct MXFStreamContext { |
|
AudioInterleaveContext aic; |
|
UID track_essence_element_key; |
|
int index; ///< index in mxf_essence_container_uls table |
|
const UID *codec_ul; |
|
int order; ///< interleaving order if dts are equal |
|
int interlaced; ///< whether picture is interlaced |
|
int field_dominance; ///< tff=1, bff=2 |
|
int component_depth; |
|
int color_siting; |
|
int signal_standard; |
|
int h_chroma_sub_sample; |
|
int temporal_reordering; |
|
AVRational aspect_ratio; ///< display aspect ratio |
|
int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing |
|
int video_bit_rate; |
|
} MXFStreamContext; |
|
|
|
typedef struct MXFContainerEssenceEntry { |
|
UID container_ul; |
|
UID element_ul; |
|
UID codec_ul; |
|
void (*write_desc)(AVFormatContext *, AVStream *); |
|
} MXFContainerEssenceEntry; |
|
|
|
static const struct { |
|
enum AVCodecID id; |
|
int index; |
|
} mxf_essence_mappings[] = { |
|
{ AV_CODEC_ID_MPEG2VIDEO, 0 }, |
|
{ AV_CODEC_ID_PCM_S24LE, 1 }, |
|
{ AV_CODEC_ID_PCM_S16LE, 1 }, |
|
{ AV_CODEC_ID_DVVIDEO, 15 }, |
|
{ AV_CODEC_ID_DNXHD, 24 }, |
|
{ AV_CODEC_ID_JPEG2000, 34 }, |
|
{ AV_CODEC_ID_H264, 35 }, |
|
{ AV_CODEC_ID_NONE } |
|
}; |
|
|
|
static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st); |
|
static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st); |
|
static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st); |
|
static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st); |
|
static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st); |
|
|
|
static const MXFContainerEssenceEntry mxf_essence_container_uls[] = { |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 }, |
|
mxf_write_mpegvideo_desc }, |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
|
mxf_write_aes3_desc }, |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
|
mxf_write_wav_desc }, |
|
// D-10 625/50 PAL 50mb/s |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 }, |
|
mxf_write_cdci_desc }, |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
|
mxf_write_generic_sound_desc }, |
|
// D-10 525/60 NTSC 50mb/s |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 }, |
|
mxf_write_cdci_desc }, |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
|
mxf_write_generic_sound_desc }, |
|
// D-10 625/50 PAL 40mb/s |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 }, |
|
mxf_write_cdci_desc }, |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
|
mxf_write_generic_sound_desc }, |
|
// D-10 525/60 NTSC 40mb/s |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 }, |
|
mxf_write_cdci_desc }, |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
|
mxf_write_generic_sound_desc }, |
|
// D-10 625/50 PAL 30mb/s |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 }, |
|
mxf_write_cdci_desc }, |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
|
mxf_write_generic_sound_desc }, |
|
// D-10 525/60 NTSC 30mb/s |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 }, |
|
mxf_write_cdci_desc }, |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, |
|
mxf_write_generic_sound_desc }, |
|
// DV Unknown |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DV25 525/60 |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DV25 625/50 |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DV50 525/60 |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DV50 625/50 |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DV100 1080/60 |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DV100 1080/50 |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DV100 720/60 |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DV100 720/50 |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DNxHD 1080p 10bit high |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DNxHD 1080p 8bit medium |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DNxHD 1080p 8bit high |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DNxHD 1080i 10bit high |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DNxHD 1080i 8bit medium |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DNxHD 1080i 8bit high |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DNxHD 720p 10bit |
|
{ { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
|
{ 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
|
{ 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DNxHD 720p 8bit high |
|
{ { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
|
{ 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
|
{ 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DNxHD 720p 8bit medium |
|
{ { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
|
{ 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
|
{ 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// DNxHD 720p 8bit low |
|
{ { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
|
{ 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
|
{ 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// JPEG2000 |
|
{ { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 }, |
|
{ 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 }, |
|
{ 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, |
|
mxf_write_cdci_desc }, |
|
// H.264 |
|
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 }, |
|
mxf_write_mpegvideo_desc }, |
|
{ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, |
|
{ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, |
|
{ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, |
|
NULL }, |
|
}; |
|
|
|
typedef struct MXFContext { |
|
AVClass *av_class; |
|
int64_t footer_partition_offset; |
|
int essence_container_count; |
|
AVRational time_base; |
|
int header_written; |
|
MXFIndexEntry *index_entries; |
|
unsigned edit_units_count; |
|
uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8) |
|
uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise) |
|
int last_indexed_edit_unit; |
|
uint64_t *body_partition_offset; |
|
unsigned body_partitions_count; |
|
int last_key_index; ///< index of last key frame |
|
uint64_t duration; |
|
AVTimecode tc; ///< timecode context |
|
AVStream *timecode_track; |
|
int timecode_base; ///< rounded time code base (25 or 30) |
|
int edit_unit_byte_count; ///< fixed edit unit byte count |
|
uint64_t body_offset; |
|
uint32_t instance_number; |
|
uint8_t umid[16]; ///< unique material identifier |
|
int channel_count; |
|
int signal_standard; |
|
uint32_t tagged_value_count; |
|
AVRational audio_edit_rate; |
|
int store_user_comments; |
|
} MXFContext; |
|
|
|
static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd }; |
|
static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 }; |
|
|
|
/** |
|
* complete key for operation pattern, partitions, and primer pack |
|
*/ |
|
static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 }; |
|
static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 }; |
|
static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete |
|
static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 }; |
|
static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 }; |
|
static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 }; |
|
static const uint8_t header_open_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }; // OpenIncomplete |
|
static const uint8_t header_closed_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x04,0x00 }; // ClosedComplete |
|
static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 }; |
|
static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete |
|
|
|
/** |
|
* partial key for header metadata |
|
*/ |
|
static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 }; |
|
static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 }; |
|
|
|
/** |
|
* SMPTE RP210 http://www.smpte-ra.org/mdd/index.html |
|
*/ |
|
static const MXFLocalTagPair mxf_local_tag_batch[] = { |
|
// preface set |
|
{ 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */ |
|
{ 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */ |
|
{ 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */ |
|
{ 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */ |
|
{ 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */ |
|
{ 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */ |
|
{ 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */ |
|
{ 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */ |
|
// Identification |
|
{ 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */ |
|
{ 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */ |
|
{ 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */ |
|
{ 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */ |
|
{ 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */ |
|
{ 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */ |
|
// Content Storage |
|
{ 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */ |
|
{ 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */ |
|
// Essence Container Data |
|
{ 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */ |
|
{ 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */ |
|
// Package |
|
{ 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */ |
|
{ 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */ |
|
{ 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */ |
|
{ 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */ |
|
{ 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */ |
|
{ 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */ |
|
// Track |
|
{ 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */ |
|
{ 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */ |
|
{ 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */ |
|
{ 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */ |
|
{ 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */ |
|
// Sequence |
|
{ 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */ |
|
{ 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */ |
|
{ 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */ |
|
// Source Clip |
|
{ 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */ |
|
{ 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */ |
|
{ 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */ |
|
// Timecode Component |
|
{ 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */ |
|
{ 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */ |
|
{ 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */ |
|
// File Descriptor |
|
{ 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */ |
|
{ 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */ |
|
{ 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */ |
|
{ 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */ |
|
{ 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */ |
|
// Generic Picture Essence Descriptor |
|
{ 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */ |
|
{ 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */ |
|
{ 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */ |
|
{ 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */ |
|
{ 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */ |
|
{ 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */ |
|
{ 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */ |
|
{ 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */ |
|
{ 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */ |
|
{ 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */ |
|
{ 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */ |
|
// CDCI Picture Essence Descriptor |
|
{ 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */ |
|
{ 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */ |
|
{ 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */ |
|
// Generic Sound Essence Descriptor |
|
{ 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */ |
|
{ 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */ |
|
{ 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */ |
|
{ 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */ |
|
{ 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */ |
|
// Index Table Segment |
|
{ 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */ |
|
{ 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */ |
|
{ 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */ |
|
{ 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */ |
|
{ 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */ |
|
{ 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */ |
|
{ 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */ |
|
{ 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */ |
|
// MPEG video Descriptor |
|
{ 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */ |
|
{ 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */ |
|
// Wave Audio Essence Descriptor |
|
{ 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */ |
|
{ 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */ |
|
}; |
|
|
|
static const MXFLocalTagPair mxf_user_comments_local_tag[] = { |
|
{ 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */ |
|
{ 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */ |
|
{ 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */ |
|
}; |
|
|
|
static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value) |
|
{ |
|
avio_write(pb, uuid_base, 12); |
|
avio_wb16(pb, type); |
|
avio_wb16(pb, value); |
|
} |
|
|
|
static void mxf_write_umid(AVFormatContext *s, int type) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
avio_write(s->pb, umid_ul, 13); |
|
avio_wb24(s->pb, mxf->instance_number); |
|
avio_write(s->pb, mxf->umid, 15); |
|
avio_w8(s->pb, type); |
|
} |
|
|
|
static void mxf_write_refs_count(AVIOContext *pb, int ref_count) |
|
{ |
|
avio_wb32(pb, ref_count); |
|
avio_wb32(pb, 16); |
|
} |
|
|
|
static int klv_ber_length(uint64_t len) |
|
{ |
|
if (len < 128) |
|
return 1; |
|
else |
|
return (av_log2(len) >> 3) + 2; |
|
} |
|
|
|
static int klv_encode_ber_length(AVIOContext *pb, uint64_t len) |
|
{ |
|
// Determine the best BER size |
|
int size; |
|
if (len < 128) { |
|
//short form |
|
avio_w8(pb, len); |
|
return 1; |
|
} |
|
|
|
size = (av_log2(len) >> 3) + 1; |
|
|
|
// long form |
|
avio_w8(pb, 0x80 + size); |
|
while(size) { |
|
size--; |
|
avio_w8(pb, len >> 8 * size & 0xff); |
|
} |
|
return 0; |
|
} |
|
|
|
static void klv_encode_ber4_length(AVIOContext *pb, int len) |
|
{ |
|
avio_w8(pb, 0x80 + 3); |
|
avio_wb24(pb, len); |
|
} |
|
|
|
static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len) |
|
{ |
|
avio_w8(pb, 0x80 + 8); |
|
avio_wb64(pb, len); |
|
} |
|
|
|
/* |
|
* Get essence container ul index |
|
*/ |
|
static int mxf_get_essence_container_ul_index(enum AVCodecID id) |
|
{ |
|
int i; |
|
for (i = 0; mxf_essence_mappings[i].id; i++) |
|
if (mxf_essence_mappings[i].id == id) |
|
return mxf_essence_mappings[i].index; |
|
return -1; |
|
} |
|
|
|
static void mxf_write_primer_pack(AVFormatContext *s) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
int local_tag_number, i = 0; |
|
|
|
local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch); |
|
local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag); |
|
|
|
avio_write(pb, primer_pack_key, 16); |
|
klv_encode_ber_length(pb, local_tag_number * 18 + 8); |
|
|
|
avio_wb32(pb, local_tag_number); // local_tag num |
|
avio_wb32(pb, 18); // item size, always 18 according to the specs |
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) { |
|
avio_wb16(pb, mxf_local_tag_batch[i].local_tag); |
|
avio_write(pb, mxf_local_tag_batch[i].uid, 16); |
|
} |
|
if (mxf->store_user_comments) |
|
for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) { |
|
avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag); |
|
avio_write(pb, mxf_user_comments_local_tag[i].uid, 16); |
|
} |
|
} |
|
|
|
static void mxf_write_local_tag(AVIOContext *pb, int size, int tag) |
|
{ |
|
avio_wb16(pb, tag); |
|
avio_wb16(pb, size); |
|
} |
|
|
|
static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value) |
|
{ |
|
avio_write(pb, header_metadata_key, 13); |
|
avio_wb24(pb, value); |
|
} |
|
|
|
static void mxf_free(AVFormatContext *s) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < s->nb_streams; i++) { |
|
AVStream *st = s->streams[i]; |
|
av_freep(&st->priv_data); |
|
} |
|
} |
|
|
|
static const MXFCodecUL *mxf_get_data_definition_ul(int type) |
|
{ |
|
const MXFCodecUL *uls = ff_mxf_data_definition_uls; |
|
while (uls->uid[0]) { |
|
if (type == uls->id) |
|
break; |
|
uls++; |
|
} |
|
return uls; |
|
} |
|
|
|
//one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors |
|
#define DESCRIPTOR_COUNT(essence_container_count) \ |
|
(essence_container_count > 1 ? essence_container_count + 1 : essence_container_count) |
|
|
|
static void mxf_write_essence_container_refs(AVFormatContext *s) |
|
{ |
|
MXFContext *c = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
int i; |
|
|
|
mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count)); |
|
av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count); |
|
for (i = 0; i < c->essence_container_count; i++) { |
|
MXFStreamContext *sc = s->streams[i]->priv_data; |
|
avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16); |
|
} |
|
|
|
if (c->essence_container_count > 1) |
|
avio_write(pb, multiple_desc_ul, 16); |
|
} |
|
|
|
static void mxf_write_preface(AVFormatContext *s) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
|
|
mxf_write_metadata_key(pb, 0x012f00); |
|
PRINT_KEY(s, "preface key", pb->buf_ptr - 16); |
|
klv_encode_ber_length(pb, 130 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count)); |
|
|
|
// write preface set uid |
|
mxf_write_local_tag(pb, 16, 0x3C0A); |
|
mxf_write_uuid(pb, Preface, 0); |
|
PRINT_KEY(s, "preface uid", pb->buf_ptr - 16); |
|
|
|
// last modified date |
|
mxf_write_local_tag(pb, 8, 0x3B02); |
|
avio_wb64(pb, mxf->timestamp); |
|
|
|
// write version |
|
mxf_write_local_tag(pb, 2, 0x3B05); |
|
avio_wb16(pb, 258); // v1.2 |
|
|
|
// write identification_refs |
|
mxf_write_local_tag(pb, 16 + 8, 0x3B06); |
|
mxf_write_refs_count(pb, 1); |
|
mxf_write_uuid(pb, Identification, 0); |
|
|
|
// write content_storage_refs |
|
mxf_write_local_tag(pb, 16, 0x3B03); |
|
mxf_write_uuid(pb, ContentStorage, 0); |
|
|
|
// operational pattern |
|
mxf_write_local_tag(pb, 16, 0x3B09); |
|
if (s->oformat == &ff_mxf_opatom_muxer) |
|
avio_write(pb, opatom_ul, 16); |
|
else |
|
avio_write(pb, op1a_ul, 16); |
|
|
|
// write essence_container_refs |
|
mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A); |
|
mxf_write_essence_container_refs(s); |
|
|
|
// write dm_scheme_refs |
|
mxf_write_local_tag(pb, 8, 0x3B0B); |
|
avio_wb64(pb, 0); |
|
} |
|
|
|
/* |
|
* Returns the length of the UTF-16 string, in 16-bit characters, that would result |
|
* from decoding the utf-8 string. |
|
*/ |
|
static uint64_t mxf_utf16len(const char *utf8_str) |
|
{ |
|
const uint8_t *q = utf8_str; |
|
uint64_t size = 0; |
|
while (*q) { |
|
uint32_t ch; |
|
GET_UTF8(ch, *q++, goto invalid;) |
|
if (ch < 0x10000) |
|
size++; |
|
else |
|
size += 2; |
|
continue; |
|
invalid: |
|
av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n"); |
|
} |
|
size += 1; |
|
return size; |
|
} |
|
|
|
/* |
|
* Returns the calculated length a local tag containing an utf-8 string as utf-16 |
|
*/ |
|
static int mxf_utf16_local_tag_length(const char *utf8_str) |
|
{ |
|
uint64_t size; |
|
|
|
if (!utf8_str) |
|
return 0; |
|
|
|
size = mxf_utf16len(utf8_str); |
|
if (size >= UINT16_MAX/2) { |
|
av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size); |
|
return 0; |
|
} |
|
|
|
return 4 + size * 2; |
|
} |
|
|
|
/* |
|
* Write a local tag containing an utf-8 string as utf-16 |
|
*/ |
|
static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value) |
|
{ |
|
uint64_t size = mxf_utf16len(value); |
|
|
|
if (size >= UINT16_MAX/2) { |
|
av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size); |
|
return; |
|
} |
|
|
|
mxf_write_local_tag(pb, size*2, tag); |
|
avio_put_str16be(pb, value); |
|
} |
|
|
|
static void mxf_write_identification(AVFormatContext *s) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
const char *company = "FFmpeg"; |
|
const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer"; |
|
const char *version; |
|
int length; |
|
|
|
mxf_write_metadata_key(pb, 0x013000); |
|
PRINT_KEY(s, "identification key", pb->buf_ptr - 16); |
|
|
|
version = s->flags & AVFMT_FLAG_BITEXACT ? |
|
"0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION); |
|
length = 72 + mxf_utf16_local_tag_length(company) + |
|
mxf_utf16_local_tag_length(product) + |
|
mxf_utf16_local_tag_length(version); |
|
klv_encode_ber_length(pb, length); |
|
|
|
// write uid |
|
mxf_write_local_tag(pb, 16, 0x3C0A); |
|
mxf_write_uuid(pb, Identification, 0); |
|
PRINT_KEY(s, "identification uid", pb->buf_ptr - 16); |
|
|
|
// write generation uid |
|
mxf_write_local_tag(pb, 16, 0x3C09); |
|
mxf_write_uuid(pb, Identification, 1); |
|
mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name |
|
mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name |
|
mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String |
|
|
|
// write product uid |
|
mxf_write_local_tag(pb, 16, 0x3C05); |
|
mxf_write_uuid(pb, Identification, 2); |
|
|
|
// modification date |
|
mxf_write_local_tag(pb, 8, 0x3C06); |
|
avio_wb64(pb, mxf->timestamp); |
|
} |
|
|
|
static void mxf_write_content_storage(AVFormatContext *s) |
|
{ |
|
AVIOContext *pb = s->pb; |
|
|
|
mxf_write_metadata_key(pb, 0x011800); |
|
PRINT_KEY(s, "content storage key", pb->buf_ptr - 16); |
|
klv_encode_ber_length(pb, 92); |
|
|
|
// write uid |
|
mxf_write_local_tag(pb, 16, 0x3C0A); |
|
mxf_write_uuid(pb, ContentStorage, 0); |
|
PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16); |
|
|
|
// write package reference |
|
mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901); |
|
mxf_write_refs_count(pb, 2); |
|
mxf_write_uuid(pb, MaterialPackage, 0); |
|
mxf_write_uuid(pb, SourcePackage, 0); |
|
|
|
// write essence container data |
|
mxf_write_local_tag(pb, 8 + 16, 0x1902); |
|
mxf_write_refs_count(pb, 1); |
|
mxf_write_uuid(pb, EssenceContainerData, 0); |
|
} |
|
|
|
static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
MXFStreamContext *sc = st->priv_data; |
|
|
|
mxf_write_metadata_key(pb, 0x013b00); |
|
PRINT_KEY(s, "track key", pb->buf_ptr - 16); |
|
klv_encode_ber_length(pb, 80); |
|
|
|
// write track uid |
|
mxf_write_local_tag(pb, 16, 0x3C0A); |
|
mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index); |
|
PRINT_KEY(s, "track uid", pb->buf_ptr - 16); |
|
|
|
// write track id |
|
mxf_write_local_tag(pb, 4, 0x4801); |
|
avio_wb32(pb, st->index+2); |
|
|
|
// write track number |
|
mxf_write_local_tag(pb, 4, 0x4804); |
|
if (type == MaterialPackage) |
|
avio_wb32(pb, 0); // track number of material package is 0 |
|
else |
|
avio_write(pb, sc->track_essence_element_key + 12, 4); |
|
|
|
mxf_write_local_tag(pb, 8, 0x4B01); |
|
|
|
if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer){ |
|
avio_wb32(pb, mxf->tc.rate.num); |
|
avio_wb32(pb, mxf->tc.rate.den); |
|
} else { |
|
avio_wb32(pb, mxf->time_base.den); |
|
avio_wb32(pb, mxf->time_base.num); |
|
} |
|
|
|
// write origin |
|
mxf_write_local_tag(pb, 8, 0x4B02); |
|
avio_wb64(pb, 0); |
|
|
|
// write sequence refs |
|
mxf_write_local_tag(pb, 16, 0x4803); |
|
mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index); |
|
} |
|
|
|
static const uint8_t smpte_12m_timecode_track_data_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x01,0x01,0x00,0x00,0x00 }; |
|
|
|
static void mxf_write_common_fields(AVFormatContext *s, AVStream *st) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
|
|
// find data define uls |
|
mxf_write_local_tag(pb, 16, 0x0201); |
|
if (st == mxf->timecode_track) |
|
avio_write(pb, smpte_12m_timecode_track_data_ul, 16); |
|
else { |
|
const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type); |
|
avio_write(pb, data_def_ul->uid, 16); |
|
} |
|
|
|
// write duration |
|
mxf_write_local_tag(pb, 8, 0x0202); |
|
|
|
if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO){ |
|
avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count); |
|
} else { |
|
avio_wb64(pb, mxf->duration); |
|
} |
|
} |
|
|
|
static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
enum MXFMetadataSetType component; |
|
|
|
mxf_write_metadata_key(pb, 0x010f00); |
|
PRINT_KEY(s, "sequence key", pb->buf_ptr - 16); |
|
klv_encode_ber_length(pb, 80); |
|
|
|
mxf_write_local_tag(pb, 16, 0x3C0A); |
|
mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index); |
|
|
|
PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16); |
|
mxf_write_common_fields(s, st); |
|
|
|
// write structural component |
|
mxf_write_local_tag(pb, 16 + 8, 0x1001); |
|
mxf_write_refs_count(pb, 1); |
|
if (st == mxf->timecode_track) |
|
component = TimecodeComponent; |
|
else |
|
component = SourceClip; |
|
if (type == SourcePackage) |
|
component += TypeBottom; |
|
mxf_write_uuid(pb, component, st->index); |
|
} |
|
|
|
static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
|
|
mxf_write_metadata_key(pb, 0x011400); |
|
klv_encode_ber_length(pb, 75); |
|
|
|
// UID |
|
mxf_write_local_tag(pb, 16, 0x3C0A); |
|
mxf_write_uuid(pb, type == MaterialPackage ? TimecodeComponent : |
|
TimecodeComponent + TypeBottom, st->index); |
|
|
|
mxf_write_common_fields(s, st); |
|
|
|
// Start Time Code |
|
mxf_write_local_tag(pb, 8, 0x1501); |
|
avio_wb64(pb, mxf->tc.start); |
|
|
|
// Rounded Time Code Base |
|
mxf_write_local_tag(pb, 2, 0x1502); |
|
avio_wb16(pb, mxf->timecode_base); |
|
|
|
// Drop Frame |
|
mxf_write_local_tag(pb, 1, 0x1503); |
|
avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME)); |
|
} |
|
|
|
static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type) |
|
{ |
|
AVIOContext *pb = s->pb; |
|
int i; |
|
|
|
mxf_write_metadata_key(pb, 0x011100); |
|
PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16); |
|
klv_encode_ber_length(pb, 108); |
|
|
|
// write uid |
|
mxf_write_local_tag(pb, 16, 0x3C0A); |
|
mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, st->index); |
|
|
|
PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16); |
|
mxf_write_common_fields(s, st); |
|
|
|
// write start_position |
|
mxf_write_local_tag(pb, 8, 0x1201); |
|
avio_wb64(pb, 0); |
|
|
|
// write source package uid, end of the reference |
|
mxf_write_local_tag(pb, 32, 0x1101); |
|
if (type == SourcePackage) { |
|
for (i = 0; i < 4; i++) |
|
avio_wb64(pb, 0); |
|
} else |
|
mxf_write_umid(s, 1); |
|
|
|
// write source track id |
|
mxf_write_local_tag(pb, 4, 0x1102); |
|
if (type == SourcePackage) |
|
avio_wb32(pb, 0); |
|
else |
|
avio_wb32(pb, st->index+2); |
|
} |
|
|
|
static void mxf_write_multi_descriptor(AVFormatContext *s) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
const uint8_t *ul; |
|
int i; |
|
|
|
mxf_write_metadata_key(pb, 0x014400); |
|
PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16); |
|
klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams); |
|
|
|
mxf_write_local_tag(pb, 16, 0x3C0A); |
|
mxf_write_uuid(pb, MultipleDescriptor, 0); |
|
PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16); |
|
|
|
// write sample rate |
|
mxf_write_local_tag(pb, 8, 0x3001); |
|
avio_wb32(pb, mxf->time_base.den); |
|
avio_wb32(pb, mxf->time_base.num); |
|
|
|
// write essence container ul |
|
mxf_write_local_tag(pb, 16, 0x3004); |
|
if (mxf->essence_container_count > 1) |
|
ul = multiple_desc_ul; |
|
else { |
|
MXFStreamContext *sc = s->streams[0]->priv_data; |
|
ul = mxf_essence_container_uls[sc->index].container_ul; |
|
} |
|
avio_write(pb, ul, 16); |
|
|
|
// write sub descriptor refs |
|
mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01); |
|
mxf_write_refs_count(pb, s->nb_streams); |
|
for (i = 0; i < s->nb_streams; i++) |
|
mxf_write_uuid(pb, SubDescriptor, i); |
|
} |
|
|
|
static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
MXFStreamContext *sc = st->priv_data; |
|
AVIOContext *pb = s->pb; |
|
|
|
avio_write(pb, key, 16); |
|
klv_encode_ber4_length(pb, size+20+8+12+20); |
|
|
|
mxf_write_local_tag(pb, 16, 0x3C0A); |
|
mxf_write_uuid(pb, SubDescriptor, st->index); |
|
|
|
mxf_write_local_tag(pb, 4, 0x3006); |
|
avio_wb32(pb, st->index+2); |
|
|
|
mxf_write_local_tag(pb, 8, 0x3001); |
|
avio_wb32(pb, mxf->time_base.den); |
|
avio_wb32(pb, mxf->time_base.num); |
|
|
|
mxf_write_local_tag(pb, 16, 0x3004); |
|
avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16); |
|
} |
|
|
|
static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 }; |
|
static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 }; |
|
static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 }; |
|
static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 }; |
|
static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 }; |
|
|
|
static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size) |
|
{ |
|
MXFStreamContext *sc = st->priv_data; |
|
AVIOContext *pb = s->pb; |
|
int stored_height = (st->codecpar->height+15)/16*16; |
|
int display_height; |
|
int f1, f2; |
|
unsigned desc_size = size+8+8+8+8+8+8+8+5+16+4+12+20+5; |
|
if (sc->interlaced && sc->field_dominance) |
|
desc_size += 5; |
|
if (sc->signal_standard) |
|
desc_size += 5; |
|
|
|
mxf_write_generic_desc(s, st, key, desc_size); |
|
|
|
mxf_write_local_tag(pb, 4, 0x3203); |
|
avio_wb32(pb, st->codecpar->width); |
|
|
|
mxf_write_local_tag(pb, 4, 0x3202); |
|
avio_wb32(pb, stored_height>>sc->interlaced); |
|
|
|
mxf_write_local_tag(pb, 4, 0x3209); |
|
avio_wb32(pb, st->codecpar->width); |
|
|
|
if (st->codecpar->height == 608) // PAL + VBI |
|
display_height = 576; |
|
else if (st->codecpar->height == 512) // NTSC + VBI |
|
display_height = 486; |
|
else |
|
display_height = st->codecpar->height; |
|
|
|
mxf_write_local_tag(pb, 4, 0x3208); |
|
avio_wb32(pb, display_height>>sc->interlaced); |
|
|
|
// presentation Y offset |
|
mxf_write_local_tag(pb, 4, 0x320B); |
|
avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced); |
|
|
|
// component depth |
|
mxf_write_local_tag(pb, 4, 0x3301); |
|
avio_wb32(pb, sc->component_depth); |
|
|
|
// horizontal subsampling |
|
mxf_write_local_tag(pb, 4, 0x3302); |
|
avio_wb32(pb, sc->h_chroma_sub_sample); |
|
|
|
// color siting |
|
mxf_write_local_tag(pb, 1, 0x3303); |
|
avio_w8(pb, sc->color_siting); |
|
|
|
if (sc->signal_standard) { |
|
mxf_write_local_tag(pb, 1, 0x3215); |
|
avio_w8(pb, sc->signal_standard); |
|
} |
|
|
|
// frame layout |
|
mxf_write_local_tag(pb, 1, 0x320C); |
|
avio_w8(pb, sc->interlaced); |
|
|
|
// video line map |
|
switch (st->codecpar->height) { |
|
case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break; |
|
case 608: f1 = 7; f2 = 320; break; |
|
case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break; |
|
case 512: f1 = 7; f2 = 270; break; |
|
case 720: f1 = 26; f2 = 0; break; // progressive |
|
case 1080: f1 = 21; f2 = 584; break; |
|
default: f1 = 0; f2 = 0; break; |
|
} |
|
|
|
if (!sc->interlaced) { |
|
f2 = 0; |
|
f1 *= 2; |
|
} |
|
|
|
|
|
mxf_write_local_tag(pb, 16, 0x320D); |
|
avio_wb32(pb, 2); |
|
avio_wb32(pb, 4); |
|
avio_wb32(pb, f1); |
|
avio_wb32(pb, f2); |
|
|
|
mxf_write_local_tag(pb, 8, 0x320E); |
|
avio_wb32(pb, sc->aspect_ratio.num); |
|
avio_wb32(pb, sc->aspect_ratio.den); |
|
|
|
mxf_write_local_tag(pb, 16, 0x3201); |
|
avio_write(pb, *sc->codec_ul, 16); |
|
|
|
if (sc->interlaced && sc->field_dominance) { |
|
mxf_write_local_tag(pb, 1, 0x3212); |
|
avio_w8(pb, sc->field_dominance); |
|
} |
|
|
|
} |
|
|
|
static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st) |
|
{ |
|
mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key, 0); |
|
} |
|
|
|
static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st) |
|
{ |
|
AVIOContext *pb = s->pb; |
|
MXFStreamContext *sc = st->priv_data; |
|
int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level; |
|
|
|
if (st->codecpar->codec_id != AV_CODEC_ID_H264) { |
|
mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 8+5); |
|
|
|
// bit rate |
|
mxf_write_local_tag(pb, 4, 0x8000); |
|
avio_wb32(pb, sc->video_bit_rate); |
|
|
|
// profile and level |
|
mxf_write_local_tag(pb, 1, 0x8007); |
|
if (!st->codecpar->profile) |
|
profile_and_level |= 0x80; // escape bit |
|
avio_w8(pb, profile_and_level); |
|
} else { |
|
mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 0); |
|
} |
|
} |
|
|
|
static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size) |
|
{ |
|
AVIOContext *pb = s->pb; |
|
MXFContext *mxf = s->priv_data; |
|
int show_warnings = !mxf->footer_partition_offset; |
|
int duration_size = 0; |
|
|
|
if (s->oformat == &ff_mxf_opatom_muxer) |
|
duration_size = 12; |
|
|
|
mxf_write_generic_desc(s, st, key, size+duration_size+5+12+8+8); |
|
|
|
if (duration_size > 0){ |
|
mxf_write_local_tag(pb, 8, 0x3002); |
|
avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count); |
|
} |
|
|
|
// audio locked |
|
mxf_write_local_tag(pb, 1, 0x3D02); |
|
avio_w8(pb, 1); |
|
|
|
// write audio sampling rate |
|
mxf_write_local_tag(pb, 8, 0x3D03); |
|
avio_wb32(pb, st->codecpar->sample_rate); |
|
avio_wb32(pb, 1); |
|
|
|
mxf_write_local_tag(pb, 4, 0x3D07); |
|
if (mxf->channel_count == -1) { |
|
if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8)) |
|
av_log(s, AV_LOG_WARNING, "the number of audio channels shall be 4 or 8 : the output will not comply to MXF D-10 specs, use -d10_channelcount to fix this\n"); |
|
avio_wb32(pb, st->codecpar->channels); |
|
} else if (s->oformat == &ff_mxf_d10_muxer) { |
|
if (show_warnings && (mxf->channel_count < st->codecpar->channels)) |
|
av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n"); |
|
if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8)) |
|
av_log(s, AV_LOG_WARNING, "d10_channelcount shall be set to 4 or 8 : the output will not comply to MXF D-10 specs\n"); |
|
avio_wb32(pb, mxf->channel_count); |
|
} else { |
|
if (show_warnings && mxf->channel_count != -1 && s->oformat != &ff_mxf_opatom_muxer) |
|
av_log(s, AV_LOG_ERROR, "-d10_channelcount requires MXF D-10 and will be ignored\n"); |
|
avio_wb32(pb, st->codecpar->channels); |
|
} |
|
|
|
mxf_write_local_tag(pb, 4, 0x3D01); |
|
avio_wb32(pb, av_get_bits_per_sample(st->codecpar->codec_id)); |
|
} |
|
|
|
static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size) |
|
{ |
|
AVIOContext *pb = s->pb; |
|
|
|
mxf_write_generic_sound_common(s, st, key, size+6+8); |
|
|
|
mxf_write_local_tag(pb, 2, 0x3D0A); |
|
avio_wb16(pb, st->codecpar->block_align); |
|
|
|
// avg bytes per sec |
|
mxf_write_local_tag(pb, 4, 0x3D09); |
|
avio_wb32(pb, st->codecpar->block_align*st->codecpar->sample_rate); |
|
} |
|
|
|
static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st) |
|
{ |
|
mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0); |
|
} |
|
|
|
static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st) |
|
{ |
|
mxf_write_wav_common(s, st, mxf_aes3_descriptor_key, 0); |
|
} |
|
|
|
static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st) |
|
{ |
|
mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key, 0); |
|
} |
|
|
|
static const uint8_t mxf_indirect_value_utf16le[] = { 0x4c,0x00,0x02,0x10,0x01,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 }; |
|
|
|
static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
int name_size = mxf_utf16_local_tag_length(name); |
|
int indirect_value_size = 13 + mxf_utf16_local_tag_length(value); |
|
|
|
if (!name_size || indirect_value_size == 13) |
|
return 1; |
|
|
|
mxf_write_metadata_key(pb, 0x013f00); |
|
klv_encode_ber_length(pb, 24 + name_size + indirect_value_size); |
|
|
|
// write instance UID |
|
mxf_write_local_tag(pb, 16, 0x3C0A); |
|
mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count); |
|
|
|
// write name |
|
mxf_write_local_tag_utf16(pb, 0x5001, name); // Name |
|
|
|
// write indirect value |
|
mxf_write_local_tag(pb, indirect_value_size, 0x5003); |
|
avio_write(pb, mxf_indirect_value_utf16le, 17); |
|
avio_put_str16le(pb, value); |
|
|
|
mxf->tagged_value_count++; |
|
return 0; |
|
} |
|
|
|
static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVDictionaryEntry *t = NULL; |
|
int count = 0; |
|
|
|
while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) { |
|
if (mxf->tagged_value_count >= UINT16_MAX) { |
|
av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n"); |
|
return count; |
|
} |
|
|
|
if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0) |
|
count++; |
|
} |
|
return count; |
|
} |
|
|
|
static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
int i, track_count = s->nb_streams+1; |
|
int name_size = mxf_utf16_local_tag_length(package_name); |
|
int user_comment_count = 0; |
|
|
|
if (type == MaterialPackage) { |
|
if (mxf->store_user_comments) |
|
user_comment_count = mxf_write_user_comments(s, s->metadata); |
|
mxf_write_metadata_key(pb, 0x013600); |
|
PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16); |
|
klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments); |
|
} else { |
|
mxf_write_metadata_key(pb, 0x013700); |
|
PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16); |
|
klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference |
|
} |
|
|
|
// write uid |
|
mxf_write_local_tag(pb, 16, 0x3C0A); |
|
mxf_write_uuid(pb, type, 0); |
|
av_log(s,AV_LOG_DEBUG, "package type:%d\n", type); |
|
PRINT_KEY(s, "package uid", pb->buf_ptr - 16); |
|
|
|
// write package umid |
|
mxf_write_local_tag(pb, 32, 0x4401); |
|
mxf_write_umid(s, type == SourcePackage); |
|
PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16); |
|
|
|
// package name |
|
if (name_size) |
|
mxf_write_local_tag_utf16(pb, 0x4402, package_name); |
|
|
|
// package creation date |
|
mxf_write_local_tag(pb, 8, 0x4405); |
|
avio_wb64(pb, mxf->timestamp); |
|
|
|
// package modified date |
|
mxf_write_local_tag(pb, 8, 0x4404); |
|
avio_wb64(pb, mxf->timestamp); |
|
|
|
// write track refs |
|
mxf_write_local_tag(pb, track_count*16 + 8, 0x4403); |
|
mxf_write_refs_count(pb, track_count); |
|
mxf_write_uuid(pb, type == MaterialPackage ? Track : |
|
Track + TypeBottom, -1); // timecode track |
|
for (i = 0; i < s->nb_streams; i++) |
|
mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i); |
|
|
|
// write user comment refs |
|
if (mxf->store_user_comments) { |
|
mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406); |
|
mxf_write_refs_count(pb, user_comment_count); |
|
for (i = 0; i < user_comment_count; i++) |
|
mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i); |
|
} |
|
|
|
// write multiple descriptor reference |
|
if (type == SourcePackage) { |
|
mxf_write_local_tag(pb, 16, 0x4701); |
|
if (s->nb_streams > 1) { |
|
mxf_write_uuid(pb, MultipleDescriptor, 0); |
|
mxf_write_multi_descriptor(s); |
|
} else |
|
mxf_write_uuid(pb, SubDescriptor, 0); |
|
} |
|
|
|
// write timecode track |
|
mxf_write_track(s, mxf->timecode_track, type); |
|
mxf_write_sequence(s, mxf->timecode_track, type); |
|
mxf_write_timecode_component(s, mxf->timecode_track, type); |
|
|
|
for (i = 0; i < s->nb_streams; i++) { |
|
AVStream *st = s->streams[i]; |
|
mxf_write_track(s, st, type); |
|
mxf_write_sequence(s, st, type); |
|
mxf_write_structural_component(s, st, type); |
|
|
|
if (type == SourcePackage) { |
|
MXFStreamContext *sc = st->priv_data; |
|
mxf_essence_container_uls[sc->index].write_desc(s, st); |
|
} |
|
} |
|
} |
|
|
|
static int mxf_write_essence_container_data(AVFormatContext *s) |
|
{ |
|
AVIOContext *pb = s->pb; |
|
|
|
mxf_write_metadata_key(pb, 0x012300); |
|
klv_encode_ber_length(pb, 72); |
|
|
|
mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID |
|
mxf_write_uuid(pb, EssenceContainerData, 0); |
|
|
|
mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID |
|
mxf_write_umid(s, 1); |
|
|
|
mxf_write_local_tag(pb, 4, 0x3F07); // BodySID |
|
avio_wb32(pb, 1); |
|
|
|
mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID |
|
avio_wb32(pb, 2); |
|
|
|
return 0; |
|
} |
|
|
|
static int mxf_write_header_metadata_sets(AVFormatContext *s) |
|
{ |
|
const char *material_package_name = NULL; |
|
const char *file_package_name = NULL; |
|
AVDictionaryEntry *entry = NULL; |
|
AVStream *st = NULL; |
|
int i; |
|
|
|
if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0)) |
|
material_package_name = entry->value; |
|
|
|
if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) { |
|
file_package_name = entry->value; |
|
} else { |
|
/* check if any of the streams contain a file_package_name */ |
|
for (i = 0; i < s->nb_streams; i++) { |
|
st = s->streams[i]; |
|
if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) { |
|
file_package_name = entry->value; |
|
break; |
|
} |
|
} |
|
} |
|
|
|
mxf_write_preface(s); |
|
mxf_write_identification(s); |
|
mxf_write_content_storage(s); |
|
mxf_write_package(s, MaterialPackage, material_package_name); |
|
mxf_write_package(s, SourcePackage, file_package_name); |
|
mxf_write_essence_container_data(s); |
|
return 0; |
|
} |
|
|
|
static unsigned klv_fill_size(uint64_t size) |
|
{ |
|
unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1)); |
|
if (pad < 20) // smallest fill item possible |
|
return pad + KAG_SIZE; |
|
else |
|
return pad & (KAG_SIZE-1); |
|
} |
|
|
|
static void mxf_write_index_table_segment(AVFormatContext *s) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
int i, j, temporal_reordering = 0; |
|
int key_index = mxf->last_key_index; |
|
|
|
av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count); |
|
|
|
if (!mxf->edit_units_count && !mxf->edit_unit_byte_count) |
|
return; |
|
|
|
avio_write(pb, index_table_segment_key, 16); |
|
|
|
if (mxf->edit_unit_byte_count) { |
|
klv_encode_ber_length(pb, 80); |
|
} else { |
|
klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 + |
|
12+mxf->edit_units_count*(11+mxf->slice_count*4LL)); |
|
} |
|
|
|
// instance id |
|
mxf_write_local_tag(pb, 16, 0x3C0A); |
|
mxf_write_uuid(pb, IndexTableSegment, 0); |
|
|
|
// index edit rate |
|
mxf_write_local_tag(pb, 8, 0x3F0B); |
|
avio_wb32(pb, mxf->time_base.den); |
|
avio_wb32(pb, mxf->time_base.num); |
|
|
|
// index start position |
|
mxf_write_local_tag(pb, 8, 0x3F0C); |
|
avio_wb64(pb, mxf->last_indexed_edit_unit); |
|
|
|
// index duration |
|
mxf_write_local_tag(pb, 8, 0x3F0D); |
|
if (mxf->edit_unit_byte_count) |
|
avio_wb64(pb, 0); // index table covers whole container |
|
else |
|
avio_wb64(pb, mxf->edit_units_count); |
|
|
|
// edit unit byte count |
|
mxf_write_local_tag(pb, 4, 0x3F05); |
|
avio_wb32(pb, mxf->edit_unit_byte_count); |
|
|
|
// index sid |
|
mxf_write_local_tag(pb, 4, 0x3F06); |
|
avio_wb32(pb, 2); |
|
|
|
// body sid |
|
mxf_write_local_tag(pb, 4, 0x3F07); |
|
avio_wb32(pb, 1); |
|
|
|
if (!mxf->edit_unit_byte_count) { |
|
// real slice count - 1 |
|
mxf_write_local_tag(pb, 1, 0x3F08); |
|
avio_w8(pb, mxf->slice_count); |
|
|
|
// delta entry array |
|
mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09); |
|
avio_wb32(pb, s->nb_streams+1); // num of entries |
|
avio_wb32(pb, 6); // size of one entry |
|
// write system item delta entry |
|
avio_w8(pb, 0); |
|
avio_w8(pb, 0); // slice entry |
|
avio_wb32(pb, 0); // element delta |
|
for (i = 0; i < s->nb_streams; i++) { |
|
AVStream *st = s->streams[i]; |
|
MXFStreamContext *sc = st->priv_data; |
|
avio_w8(pb, sc->temporal_reordering); |
|
if (sc->temporal_reordering) |
|
temporal_reordering = 1; |
|
if (i == 0) { // video track |
|
avio_w8(pb, 0); // slice number |
|
avio_wb32(pb, KAG_SIZE); // system item size including klv fill |
|
} else { // audio track |
|
unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size; |
|
audio_frame_size += klv_fill_size(audio_frame_size); |
|
avio_w8(pb, 1); |
|
avio_wb32(pb, (i-1)*audio_frame_size); // element delta |
|
} |
|
} |
|
|
|
mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A); |
|
avio_wb32(pb, mxf->edit_units_count); // num of entries |
|
avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry |
|
|
|
for (i = 0; i < mxf->edit_units_count; i++) { |
|
int temporal_offset = 0; |
|
|
|
if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame |
|
mxf->last_key_index = key_index; |
|
key_index = i; |
|
} |
|
|
|
if (temporal_reordering) { |
|
int pic_num_in_gop = i - key_index; |
|
if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) { |
|
for (j = key_index; j < mxf->edit_units_count; j++) { |
|
if (pic_num_in_gop == mxf->index_entries[j].temporal_ref) |
|
break; |
|
} |
|
if (j == mxf->edit_units_count) |
|
av_log(s, AV_LOG_WARNING, "missing frames\n"); |
|
temporal_offset = j - key_index - pic_num_in_gop; |
|
} |
|
} |
|
avio_w8(pb, temporal_offset); |
|
|
|
if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction |
|
avio_w8(pb, mxf->last_key_index - i); |
|
} else { |
|
avio_w8(pb, key_index - i); // key frame offset |
|
if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward |
|
mxf->last_key_index = key_index; |
|
} |
|
|
|
if (!(mxf->index_entries[i].flags & 0x33) && // I-frame |
|
mxf->index_entries[i].flags & 0x40 && !temporal_offset) |
|
mxf->index_entries[i].flags |= 0x80; // random access |
|
avio_w8(pb, mxf->index_entries[i].flags); |
|
// stream offset |
|
avio_wb64(pb, mxf->index_entries[i].offset); |
|
if (s->nb_streams > 1) |
|
avio_wb32(pb, mxf->index_entries[i].slice_offset); |
|
} |
|
|
|
mxf->last_key_index = key_index - mxf->edit_units_count; |
|
mxf->last_indexed_edit_unit += mxf->edit_units_count; |
|
mxf->edit_units_count = 0; |
|
} |
|
} |
|
|
|
static void mxf_write_klv_fill(AVFormatContext *s) |
|
{ |
|
unsigned pad = klv_fill_size(avio_tell(s->pb)); |
|
if (pad) { |
|
avio_write(s->pb, klv_fill_key, 16); |
|
pad -= 16 + 4; |
|
klv_encode_ber4_length(s->pb, pad); |
|
ffio_fill(s->pb, 0, pad); |
|
av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1))); |
|
} |
|
} |
|
|
|
static int mxf_write_partition(AVFormatContext *s, int bodysid, |
|
int indexsid, |
|
const uint8_t *key, int write_metadata) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
int64_t header_byte_count_offset; |
|
unsigned index_byte_count = 0; |
|
uint64_t partition_offset = avio_tell(pb); |
|
int err; |
|
|
|
if (!mxf->edit_unit_byte_count && mxf->edit_units_count) |
|
index_byte_count = 85 + 12+(s->nb_streams+1)*6 + |
|
12+mxf->edit_units_count*(11+mxf->slice_count*4); |
|
else if (mxf->edit_unit_byte_count && indexsid) |
|
index_byte_count = 80; |
|
|
|
if (index_byte_count) { |
|
// add encoded ber length |
|
index_byte_count += 16 + klv_ber_length(index_byte_count); |
|
index_byte_count += klv_fill_size(index_byte_count); |
|
} |
|
|
|
if (key && !memcmp(key, body_partition_key, 16)) { |
|
if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1, |
|
sizeof(*mxf->body_partition_offset))) < 0) { |
|
mxf->body_partitions_count = 0; |
|
return err; |
|
} |
|
mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset; |
|
} |
|
|
|
// write klv |
|
if (key) |
|
avio_write(pb, key, 16); |
|
else |
|
avio_write(pb, body_partition_key, 16); |
|
|
|
klv_encode_ber_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count)); |
|
|
|
// write partition value |
|
avio_wb16(pb, 1); // majorVersion |
|
avio_wb16(pb, 2); // minorVersion |
|
avio_wb32(pb, KAG_SIZE); // KAGSize |
|
|
|
avio_wb64(pb, partition_offset); // ThisPartition |
|
|
|
if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1) |
|
avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition |
|
else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count) |
|
avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition |
|
else |
|
avio_wb64(pb, 0); |
|
|
|
avio_wb64(pb, mxf->footer_partition_offset); // footerPartition |
|
|
|
// set offset |
|
header_byte_count_offset = avio_tell(pb); |
|
avio_wb64(pb, 0); // headerByteCount, update later |
|
|
|
// indexTable |
|
avio_wb64(pb, index_byte_count); // indexByteCount |
|
avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID |
|
|
|
// BodyOffset |
|
if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer) |
|
avio_wb64(pb, mxf->body_offset); |
|
else |
|
avio_wb64(pb, 0); |
|
|
|
avio_wb32(pb, bodysid); // bodySID |
|
|
|
// operational pattern |
|
if (s->oformat == &ff_mxf_opatom_muxer) |
|
avio_write(pb, opatom_ul, 16); |
|
else |
|
avio_write(pb, op1a_ul, 16); |
|
|
|
// essence container |
|
mxf_write_essence_container_refs(s); |
|
|
|
if (write_metadata) { |
|
// mark the start of the headermetadata and calculate metadata size |
|
int64_t pos, start; |
|
unsigned header_byte_count; |
|
|
|
mxf_write_klv_fill(s); |
|
start = avio_tell(s->pb); |
|
mxf_write_primer_pack(s); |
|
mxf_write_header_metadata_sets(s); |
|
pos = avio_tell(s->pb); |
|
header_byte_count = pos - start + klv_fill_size(pos); |
|
|
|
// update header_byte_count |
|
avio_seek(pb, header_byte_count_offset, SEEK_SET); |
|
avio_wb64(pb, header_byte_count); |
|
avio_seek(pb, pos, SEEK_SET); |
|
} |
|
|
|
if(key) |
|
avio_flush(pb); |
|
|
|
return 0; |
|
} |
|
|
|
static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, |
|
AVPacket *pkt) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
MXFStreamContext *sc = st->priv_data; |
|
int i, cid; |
|
uint8_t* header_cid; |
|
int frame_size = 0; |
|
|
|
if (mxf->header_written) |
|
return 1; |
|
|
|
if (pkt->size < 43) |
|
return -1; |
|
|
|
header_cid = pkt->data + 0x28; |
|
cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3]; |
|
|
|
if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0) |
|
return -1; |
|
if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0) |
|
return AVERROR_INVALIDDATA; |
|
|
|
switch (cid) { |
|
case 1235: |
|
sc->index = 24; |
|
sc->component_depth = 10; |
|
break; |
|
case 1237: |
|
sc->index = 25; |
|
break; |
|
case 1238: |
|
sc->index = 26; |
|
break; |
|
case 1241: |
|
sc->index = 27; |
|
sc->component_depth = 10; |
|
break; |
|
case 1242: |
|
sc->index = 28; |
|
break; |
|
case 1243: |
|
sc->index = 29; |
|
break; |
|
case 1250: |
|
sc->index = 30; |
|
sc->component_depth = 10; |
|
break; |
|
case 1251: |
|
sc->index = 31; |
|
break; |
|
case 1252: |
|
sc->index = 32; |
|
break; |
|
case 1253: |
|
sc->index = 33; |
|
break; |
|
default: |
|
return -1; |
|
} |
|
|
|
sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul; |
|
sc->aspect_ratio = (AVRational){ 16, 9 }; |
|
|
|
if(s->oformat == &ff_mxf_opatom_muxer){ |
|
mxf->edit_unit_byte_count = frame_size; |
|
return 1; |
|
} |
|
|
|
mxf->edit_unit_byte_count = KAG_SIZE; |
|
for (i = 0; i < s->nb_streams; i++) { |
|
AVStream *st = s->streams[i]; |
|
MXFStreamContext *sc = st->priv_data; |
|
if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) { |
|
mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size; |
|
mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count); |
|
} else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
mxf->edit_unit_byte_count += 16 + 4 + frame_size; |
|
mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count); |
|
} |
|
} |
|
|
|
return 1; |
|
} |
|
|
|
static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
MXFStreamContext *sc = st->priv_data; |
|
uint8_t *vs_pack, *vsc_pack; |
|
int i, ul_index, frame_size, stype, pal; |
|
|
|
if (mxf->header_written) |
|
return 1; |
|
|
|
// Check for minimal frame size |
|
if (pkt->size < 120000) |
|
return -1; |
|
|
|
vs_pack = pkt->data + 80*5 + 48; |
|
vsc_pack = pkt->data + 80*5 + 53; |
|
stype = vs_pack[3] & 0x1f; |
|
pal = (vs_pack[3] >> 5) & 0x1; |
|
|
|
if ((vs_pack[2] & 0x07) == 0x02) |
|
sc->aspect_ratio = (AVRational){ 16, 9 }; |
|
else |
|
sc->aspect_ratio = (AVRational){ 4, 3 }; |
|
|
|
sc->interlaced = (vsc_pack[3] >> 4) & 0x01; |
|
// TODO: fix dv encoder to set proper FF/FS value in VSC pack |
|
// and set field dominance accordingly |
|
// av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6); |
|
|
|
switch (stype) { |
|
case 0x18: // DV100 720p |
|
ul_index = 6 + pal; |
|
frame_size = pal ? 288000 : 240000; |
|
if (sc->interlaced) { |
|
av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n"); |
|
sc->interlaced = 0; |
|
} |
|
break; |
|
case 0x14: // DV100 1080i |
|
ul_index = 4 + pal; |
|
frame_size = pal ? 576000 : 480000; |
|
break; |
|
case 0x04: // DV50 |
|
ul_index = 2 + pal; |
|
frame_size = pal ? 288000 : 240000; |
|
break; |
|
default: // DV25 |
|
ul_index = 0 + pal; |
|
frame_size = pal ? 144000 : 120000; |
|
} |
|
|
|
sc->index = ul_index + 16; |
|
sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul; |
|
|
|
if(s->oformat == &ff_mxf_opatom_muxer) { |
|
mxf->edit_unit_byte_count = frame_size; |
|
return 1; |
|
} |
|
|
|
mxf->edit_unit_byte_count = KAG_SIZE; |
|
for (i = 0; i < s->nb_streams; i++) { |
|
AVStream *st = s->streams[i]; |
|
MXFStreamContext *sc = st->priv_data; |
|
if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) { |
|
mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size; |
|
mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count); |
|
} else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
mxf->edit_unit_byte_count += 16 + 4 + frame_size; |
|
mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count); |
|
} |
|
} |
|
|
|
return 1; |
|
} |
|
|
|
static const struct { |
|
UID uid; |
|
int frame_size; |
|
int profile; |
|
uint8_t interlaced; |
|
} mxf_h264_codec_uls[] = { |
|
{{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra |
|
{{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60 |
|
{{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50 |
|
{{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30 |
|
{{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25 |
|
{{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60 |
|
{{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50 |
|
{{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra |
|
{{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60 |
|
{{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50 |
|
{{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30 |
|
{{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25 |
|
{{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60 |
|
{{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50 |
|
}; |
|
|
|
static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st, |
|
AVPacket *pkt, MXFIndexEntry *e) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
MXFStreamContext *sc = st->priv_data; |
|
static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]); |
|
const uint8_t *buf = pkt->data; |
|
const uint8_t *buf_end = pkt->data + pkt->size; |
|
uint32_t state = -1; |
|
int extra_size = 512; // support AVC Intra files without SPS/PPS header |
|
int i, frame_size; |
|
uint8_t uid_found; |
|
|
|
if (pkt->size > extra_size) |
|
buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header |
|
|
|
for (;;) { |
|
buf = avpriv_find_start_code(buf, buf_end, &state); |
|
if (buf >= buf_end) |
|
break; |
|
--buf; |
|
switch (state & 0x1f) { |
|
case NAL_SPS: |
|
st->codecpar->profile = buf[1]; |
|
e->flags |= 0x40; |
|
break; |
|
case NAL_PPS: |
|
if (e->flags & 0x40) { // sequence header present |
|
e->flags |= 0x80; // random access |
|
extra_size = 0; |
|
buf = buf_end; |
|
} |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
|
if (mxf->header_written) |
|
return 1; |
|
|
|
sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD |
|
sc->component_depth = 10; // AVC Intra is always 10 Bit |
|
sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0; |
|
if (sc->interlaced) |
|
sc->field_dominance = 1; // top field first is mandatory for AVC Intra |
|
|
|
uid_found = 0; |
|
frame_size = pkt->size + extra_size; |
|
for (i = 0; i < mxf_h264_num_codec_uls; i++) { |
|
if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) { |
|
sc->codec_ul = &mxf_h264_codec_uls[i].uid; |
|
return 1; |
|
} else if (st->codecpar->profile == mxf_h264_codec_uls[i].profile) { |
|
sc->codec_ul = &mxf_h264_codec_uls[i].uid; |
|
uid_found = 1; |
|
} |
|
} |
|
|
|
if (!uid_found) { |
|
av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n"); |
|
return 0; |
|
} |
|
|
|
return 1; |
|
} |
|
|
|
static const UID mxf_mpeg2_codec_uls[] = { |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame |
|
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP |
|
}; |
|
|
|
static const UID *mxf_get_mpeg2_codec_ul(AVCodecParameters *par) |
|
{ |
|
int long_gop = 1; |
|
|
|
if (par->profile == 4) { // Main |
|
if (par->level == 8) // Main |
|
return &mxf_mpeg2_codec_uls[0+long_gop]; |
|
else if (par->level == 4) // High |
|
return &mxf_mpeg2_codec_uls[4+long_gop]; |
|
else if (par->level == 6) // High 14 |
|
return &mxf_mpeg2_codec_uls[8+long_gop]; |
|
} else if (par->profile == 0) { // 422 |
|
if (par->level == 5) // Main |
|
return &mxf_mpeg2_codec_uls[2+long_gop]; |
|
else if (par->level == 2) // High |
|
return &mxf_mpeg2_codec_uls[6+long_gop]; |
|
} |
|
return NULL; |
|
} |
|
|
|
static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, |
|
AVPacket *pkt, MXFIndexEntry *e) |
|
{ |
|
MXFStreamContext *sc = st->priv_data; |
|
uint32_t c = -1; |
|
int i; |
|
|
|
for(i = 0; i < pkt->size - 4; i++) { |
|
c = (c<<8) + pkt->data[i]; |
|
if (c == 0x1b5) { |
|
if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext |
|
st->codecpar->profile = pkt->data[i+1] & 0x07; |
|
st->codecpar->level = pkt->data[i+2] >> 4; |
|
} else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext |
|
sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame |
|
if (sc->interlaced) |
|
sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first |
|
break; |
|
} |
|
} else if (c == 0x1b8) { // gop |
|
if (pkt->data[i+4]>>6 & 0x01) { // closed |
|
sc->closed_gop = 1; |
|
if (e->flags & 0x40) // sequence header present |
|
e->flags |= 0x80; // random access |
|
} |
|
} else if (c == 0x1b3) { // seq |
|
e->flags |= 0x40; |
|
switch ((pkt->data[i+4]>>4) & 0xf) { |
|
case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break; |
|
case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break; |
|
case 4: sc->aspect_ratio = (AVRational){221,100}; break; |
|
default: |
|
av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den, |
|
st->codecpar->width, st->codecpar->height, 1024*1024); |
|
} |
|
} else if (c == 0x100) { // pic |
|
int pict_type = (pkt->data[i+2]>>3) & 0x07; |
|
e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6); |
|
if (pict_type == 2) { // P-frame |
|
e->flags |= 0x22; |
|
sc->closed_gop = 0; // reset closed GOP, don't matter anymore |
|
} else if (pict_type == 3) { // B-frame |
|
if (sc->closed_gop) |
|
e->flags |= 0x13; // only backward prediction |
|
else |
|
e->flags |= 0x33; |
|
sc->temporal_reordering = -1; |
|
} else if (!pict_type) { |
|
av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n"); |
|
return 0; |
|
} |
|
} |
|
} |
|
if (s->oformat != &ff_mxf_d10_muxer) |
|
sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codecpar); |
|
return !!sc->codec_ul; |
|
} |
|
|
|
static uint64_t mxf_parse_timestamp(time_t timestamp) |
|
{ |
|
struct tm tmbuf; |
|
struct tm *time = gmtime_r(×tamp, &tmbuf); |
|
if (!time) |
|
return 0; |
|
return (uint64_t)(time->tm_year+1900) << 48 | |
|
(uint64_t)(time->tm_mon+1) << 40 | |
|
(uint64_t) time->tm_mday << 32 | |
|
time->tm_hour << 24 | |
|
time->tm_min << 16 | |
|
time->tm_sec << 8; |
|
} |
|
|
|
static void mxf_gen_umid(AVFormatContext *s) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
uint32_t seed = av_get_random_seed(); |
|
uint64_t umid = seed + 0x5294713400000000LL; |
|
|
|
AV_WB64(mxf->umid , umid); |
|
AV_WB64(mxf->umid+8, umid>>8); |
|
|
|
mxf->instance_number = seed & 0xFFFFFF; |
|
} |
|
|
|
static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0); |
|
if (!tcr) |
|
tcr = av_dict_get(st->metadata, "timecode", NULL, 0); |
|
|
|
if (tcr) |
|
return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s); |
|
else |
|
return av_timecode_init(&mxf->tc, rate, 0, 0, s); |
|
} |
|
|
|
static int mxf_write_header(AVFormatContext *s) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
int i, ret; |
|
uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0}; |
|
const MXFSamplesPerFrame *spf = NULL; |
|
int64_t timestamp = 0; |
|
|
|
if (!s->nb_streams) |
|
return -1; |
|
|
|
if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1){ |
|
av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n"); |
|
return -1; |
|
} |
|
|
|
if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX)) |
|
mxf->store_user_comments = 0; |
|
|
|
for (i = 0; i < s->nb_streams; i++) { |
|
AVStream *st = s->streams[i]; |
|
MXFStreamContext *sc = av_mallocz(sizeof(*sc)); |
|
if (!sc) |
|
return AVERROR(ENOMEM); |
|
st->priv_data = sc; |
|
|
|
if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) { |
|
av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n"); |
|
return -1; |
|
} |
|
|
|
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format); |
|
// TODO: should be avg_frame_rate |
|
AVRational rate, tbc = st->time_base; |
|
// Default component depth to 8 |
|
sc->component_depth = 8; |
|
sc->h_chroma_sub_sample = 2; |
|
sc->color_siting = 0xFF; |
|
|
|
if (pix_desc) { |
|
sc->component_depth = pix_desc->comp[0].depth; |
|
sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w; |
|
} |
|
switch (ff_choose_chroma_location(s, st)) { |
|
case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break; |
|
case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break; |
|
case AVCHROMA_LOC_TOP: sc->color_siting = 1; break; |
|
case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break; |
|
} |
|
|
|
mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num; |
|
spf = ff_mxf_get_samples_per_frame(s, tbc); |
|
if (!spf) { |
|
av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n", |
|
tbc.den, tbc.num); |
|
return AVERROR(EINVAL); |
|
} |
|
mxf->time_base = spf->time_base; |
|
rate = av_inv_q(mxf->time_base); |
|
avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den); |
|
if((ret = mxf_init_timecode(s, st, rate)) < 0) |
|
return ret; |
|
|
|
sc->video_bit_rate = st->codecpar->bit_rate; |
|
if (s->oformat == &ff_mxf_d10_muxer) { |
|
if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) { |
|
sc->index = 3; |
|
} else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) { |
|
sc->index = 5; |
|
} else if (sc->video_bit_rate == 40000000) { |
|
if (mxf->time_base.den == 25) sc->index = 7; |
|
else sc->index = 9; |
|
} else if (sc->video_bit_rate == 30000000) { |
|
if (mxf->time_base.den == 25) sc->index = 11; |
|
else sc->index = 13; |
|
} else { |
|
av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n"); |
|
return -1; |
|
} |
|
|
|
mxf->edit_unit_byte_count = KAG_SIZE; // system element |
|
mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate * |
|
mxf->time_base.num / (8*mxf->time_base.den); |
|
mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count); |
|
mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4; |
|
mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count); |
|
|
|
sc->signal_standard = 1; |
|
} |
|
if (mxf->signal_standard >= 0) |
|
sc->signal_standard = mxf->signal_standard; |
|
} else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) { |
|
if (st->codecpar->sample_rate != 48000) { |
|
av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n"); |
|
return -1; |
|
} |
|
avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate); |
|
if (s->oformat == &ff_mxf_d10_muxer) { |
|
if (st->index != 1) { |
|
av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n"); |
|
return -1; |
|
} |
|
if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE && |
|
st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) { |
|
av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n"); |
|
} |
|
sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1; |
|
} else if (s->oformat == &ff_mxf_opatom_muxer) { |
|
AVRational tbc = av_inv_q(mxf->audio_edit_rate); |
|
|
|
if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE && |
|
st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) { |
|
av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n"); |
|
return AVERROR_PATCHWELCOME; |
|
} |
|
if (st->codecpar->channels != 1) { |
|
av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n"); |
|
return AVERROR(EINVAL); |
|
} |
|
|
|
spf = ff_mxf_get_samples_per_frame(s, tbc); |
|
if (!spf){ |
|
av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num); |
|
return AVERROR(EINVAL); |
|
} |
|
|
|
mxf->time_base = st->time_base; |
|
if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0) |
|
return ret; |
|
|
|
mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num; |
|
mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codecpar->codec_id) * st->codecpar->channels) >> 3; |
|
sc->index = 2; |
|
} else { |
|
mxf->slice_count = 1; |
|
} |
|
} |
|
|
|
if (!sc->index) { |
|
sc->index = mxf_get_essence_container_ul_index(st->codecpar->codec_id); |
|
if (sc->index == -1) { |
|
av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, " |
|
"codec not currently supported in container\n", i); |
|
return -1; |
|
} |
|
} |
|
|
|
sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul; |
|
|
|
memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15); |
|
sc->track_essence_element_key[15] = present[sc->index]; |
|
PRINT_KEY(s, "track essence element key", sc->track_essence_element_key); |
|
|
|
if (!present[sc->index]) |
|
mxf->essence_container_count++; |
|
present[sc->index]++; |
|
} |
|
|
|
if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) { |
|
mxf->essence_container_count = 1; |
|
} |
|
|
|
if (!(s->flags & AVFMT_FLAG_BITEXACT)) |
|
mxf_gen_umid(s); |
|
|
|
for (i = 0; i < s->nb_streams; i++) { |
|
MXFStreamContext *sc = s->streams[i]->priv_data; |
|
// update element count |
|
sc->track_essence_element_key[13] = present[sc->index]; |
|
if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV |
|
sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13); |
|
else |
|
sc->order = AV_RB32(sc->track_essence_element_key+12); |
|
} |
|
|
|
if (ff_parse_creation_time_metadata(s, ×tamp, 1) > 0) |
|
mxf->timestamp = mxf_parse_timestamp(timestamp); |
|
mxf->duration = -1; |
|
|
|
mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track)); |
|
if (!mxf->timecode_track) |
|
return AVERROR(ENOMEM); |
|
mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext)); |
|
if (!mxf->timecode_track->priv_data) |
|
return AVERROR(ENOMEM); |
|
mxf->timecode_track->index = -1; |
|
|
|
if (!spf) |
|
spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 }); |
|
|
|
if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0) |
|
return -1; |
|
|
|
return 0; |
|
} |
|
|
|
static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 }; |
|
static const uint8_t system_metadata_package_set_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x43,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x02,0x01 }; |
|
|
|
static void mxf_write_system_item(AVFormatContext *s) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
unsigned frame; |
|
uint32_t time_code; |
|
|
|
frame = mxf->last_indexed_edit_unit + mxf->edit_units_count; |
|
|
|
// write system metadata pack |
|
avio_write(pb, system_metadata_pack_key, 16); |
|
klv_encode_ber4_length(pb, 57); |
|
avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present |
|
avio_w8(pb, 0x04); // content package rate |
|
avio_w8(pb, 0x00); // content package type |
|
avio_wb16(pb, 0x00); // channel handle |
|
avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow |
|
if (mxf->essence_container_count > 1) |
|
avio_write(pb, multiple_desc_ul, 16); |
|
else { |
|
MXFStreamContext *sc = s->streams[0]->priv_data; |
|
avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16); |
|
} |
|
avio_w8(pb, 0); |
|
avio_wb64(pb, 0); |
|
avio_wb64(pb, 0); // creation date/time stamp |
|
|
|
avio_w8(pb, 0x81); // SMPTE 12M time code |
|
time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame); |
|
avio_wb32(pb, time_code); |
|
avio_wb32(pb, 0); // binary group data |
|
avio_wb64(pb, 0); |
|
|
|
// write system metadata package set |
|
avio_write(pb, system_metadata_package_set_key, 16); |
|
klv_encode_ber4_length(pb, 35); |
|
avio_w8(pb, 0x83); // UMID |
|
avio_wb16(pb, 0x20); |
|
mxf_write_umid(s, 1); |
|
} |
|
|
|
static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
MXFStreamContext *sc = st->priv_data; |
|
int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num / |
|
(8*mxf->time_base.den); // frame size |
|
int pad; |
|
|
|
packet_size += 16 + 4; |
|
packet_size += klv_fill_size(packet_size); |
|
|
|
klv_encode_ber4_length(pb, pkt->size); |
|
avio_write(pb, pkt->data, pkt->size); |
|
|
|
// ensure CBR muxing by padding to correct video frame size |
|
pad = packet_size - pkt->size - 16 - 4; |
|
if (pad > 20) { |
|
avio_write(s->pb, klv_fill_key, 16); |
|
pad -= 16 + 4; |
|
klv_encode_ber4_length(s->pb, pad); |
|
ffio_fill(s->pb, 0, pad); |
|
av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1))); |
|
} else { |
|
av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n"); |
|
ffio_fill(s->pb, 0, pad); |
|
} |
|
} |
|
|
|
static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
int frame_size = pkt->size / st->codecpar->block_align; |
|
uint8_t *samples = pkt->data; |
|
uint8_t *end = pkt->data + pkt->size; |
|
int i; |
|
|
|
klv_encode_ber4_length(pb, 4 + frame_size*4*8); |
|
|
|
avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1)); |
|
avio_wl16(pb, frame_size); |
|
avio_w8(pb, (1<<st->codecpar->channels)-1); |
|
|
|
while (samples < end) { |
|
for (i = 0; i < st->codecpar->channels; i++) { |
|
uint32_t sample; |
|
if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) { |
|
sample = AV_RL24(samples)<< 4; |
|
samples += 3; |
|
} else { |
|
sample = AV_RL16(samples)<<12; |
|
samples += 2; |
|
} |
|
avio_wl32(pb, sample | i); |
|
} |
|
for (; i < 8; i++) |
|
avio_wl32(pb, i); |
|
} |
|
} |
|
|
|
static int mxf_write_opatom_body_partition(AVFormatContext *s) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
AVStream *st = s->streams[0]; |
|
MXFStreamContext *sc = st->priv_data; |
|
const uint8_t *key = NULL; |
|
|
|
int err; |
|
|
|
if (!mxf->header_written) |
|
key = body_partition_key; |
|
|
|
if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0) |
|
return err; |
|
mxf_write_klv_fill(s); |
|
avio_write(pb, sc->track_essence_element_key, 16); |
|
klv_encode_ber9_length(pb, mxf->body_offset); |
|
return 0; |
|
} |
|
|
|
static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
|
|
int err; |
|
|
|
if (!mxf->header_written) { |
|
if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0) |
|
return err; |
|
mxf_write_klv_fill(s); |
|
|
|
if ((err = mxf_write_opatom_body_partition(s)) < 0) |
|
return err; |
|
mxf->header_written = 1; |
|
} |
|
|
|
if (!mxf->edit_unit_byte_count) { |
|
mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset; |
|
mxf->index_entries[mxf->edit_units_count].flags = ie->flags; |
|
mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref; |
|
} |
|
mxf->edit_units_count++; |
|
avio_write(pb, pkt->data, pkt->size); |
|
mxf->body_offset += pkt->size; |
|
avio_flush(pb); |
|
|
|
return 0; |
|
} |
|
|
|
static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
AVStream *st = s->streams[pkt->stream_index]; |
|
MXFStreamContext *sc = st->priv_data; |
|
MXFIndexEntry ie = {0}; |
|
int err; |
|
|
|
if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) { |
|
if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count |
|
+ EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) { |
|
mxf->edit_units_count = 0; |
|
av_log(s, AV_LOG_ERROR, "could not allocate index entries\n"); |
|
return err; |
|
} |
|
} |
|
|
|
if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) { |
|
if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) { |
|
av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n"); |
|
return -1; |
|
} |
|
} else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) { |
|
if (!mxf_parse_dnxhd_frame(s, st, pkt)) { |
|
av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n"); |
|
return -1; |
|
} |
|
} else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) { |
|
if (!mxf_parse_dv_frame(s, st, pkt)) { |
|
av_log(s, AV_LOG_ERROR, "could not get dv profile\n"); |
|
return -1; |
|
} |
|
} else if (st->codecpar->codec_id == AV_CODEC_ID_H264) { |
|
if (!mxf_parse_h264_frame(s, st, pkt, &ie)) { |
|
av_log(s, AV_LOG_ERROR, "could not get h264 profile\n"); |
|
return -1; |
|
} |
|
} |
|
|
|
if (s->oformat == &ff_mxf_opatom_muxer) |
|
return mxf_write_opatom_packet(s, pkt, &ie); |
|
|
|
if (!mxf->header_written) { |
|
if (mxf->edit_unit_byte_count) { |
|
if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0) |
|
return err; |
|
mxf_write_klv_fill(s); |
|
mxf_write_index_table_segment(s); |
|
} else { |
|
if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0) |
|
return err; |
|
} |
|
mxf->header_written = 1; |
|
} |
|
|
|
if (st->index == 0) { |
|
if (!mxf->edit_unit_byte_count && |
|
(!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) && |
|
!(ie.flags & 0x33)) { // I-frame, GOP start |
|
mxf_write_klv_fill(s); |
|
if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0) |
|
return err; |
|
mxf_write_klv_fill(s); |
|
mxf_write_index_table_segment(s); |
|
} |
|
|
|
mxf_write_klv_fill(s); |
|
mxf_write_system_item(s); |
|
|
|
if (!mxf->edit_unit_byte_count) { |
|
mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset; |
|
mxf->index_entries[mxf->edit_units_count].flags = ie.flags; |
|
mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref; |
|
mxf->body_offset += KAG_SIZE; // size of system element |
|
} |
|
mxf->edit_units_count++; |
|
} else if (!mxf->edit_unit_byte_count && st->index == 1) { |
|
if (!mxf->edit_units_count) { |
|
av_log(s, AV_LOG_ERROR, "No packets in first stream\n"); |
|
return AVERROR_PATCHWELCOME; |
|
} |
|
mxf->index_entries[mxf->edit_units_count-1].slice_offset = |
|
mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset; |
|
} |
|
|
|
mxf_write_klv_fill(s); |
|
avio_write(pb, sc->track_essence_element_key, 16); // write key |
|
if (s->oformat == &ff_mxf_d10_muxer) { |
|
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) |
|
mxf_write_d10_video_packet(s, st, pkt); |
|
else |
|
mxf_write_d10_audio_packet(s, st, pkt); |
|
} else { |
|
klv_encode_ber4_length(pb, pkt->size); // write length |
|
avio_write(pb, pkt->data, pkt->size); |
|
mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size); |
|
} |
|
|
|
avio_flush(pb); |
|
|
|
return 0; |
|
} |
|
|
|
static void mxf_write_random_index_pack(AVFormatContext *s) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
uint64_t pos = avio_tell(pb); |
|
int i; |
|
|
|
avio_write(pb, random_index_pack_key, 16); |
|
klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count); |
|
|
|
if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) |
|
avio_wb32(pb, 1); // BodySID of header partition |
|
else |
|
avio_wb32(pb, 0); |
|
avio_wb64(pb, 0); // offset of header partition |
|
|
|
for (i = 0; i < mxf->body_partitions_count; i++) { |
|
avio_wb32(pb, 1); // BodySID |
|
avio_wb64(pb, mxf->body_partition_offset[i]); |
|
} |
|
|
|
avio_wb32(pb, 0); // BodySID of footer partition |
|
avio_wb64(pb, mxf->footer_partition_offset); |
|
|
|
avio_wb32(pb, avio_tell(pb) - pos + 4); |
|
} |
|
|
|
static int mxf_write_footer(AVFormatContext *s) |
|
{ |
|
MXFContext *mxf = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
int err = 0; |
|
|
|
if (!mxf->header_written || |
|
(s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) { |
|
/* reason could be invalid options/not supported codec/out of memory */ |
|
err = AVERROR_UNKNOWN; |
|
goto end; |
|
} |
|
|
|
mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count; |
|
|
|
mxf_write_klv_fill(s); |
|
mxf->footer_partition_offset = avio_tell(pb); |
|
if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index |
|
if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0) |
|
goto end; |
|
} else { |
|
if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0) |
|
goto end; |
|
mxf_write_klv_fill(s); |
|
mxf_write_index_table_segment(s); |
|
} |
|
|
|
mxf_write_klv_fill(s); |
|
mxf_write_random_index_pack(s); |
|
|
|
if (s->pb->seekable) { |
|
if (s->oformat == &ff_mxf_opatom_muxer){ |
|
/* rewrite body partition to update lengths */ |
|
avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET); |
|
if ((err = mxf_write_opatom_body_partition(s)) < 0) |
|
goto end; |
|
} |
|
|
|
avio_seek(pb, 0, SEEK_SET); |
|
if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { |
|
if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0) |
|
goto end; |
|
mxf_write_klv_fill(s); |
|
mxf_write_index_table_segment(s); |
|
} else { |
|
if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0) |
|
goto end; |
|
} |
|
} |
|
|
|
end: |
|
ff_audio_interleave_close(s); |
|
|
|
av_freep(&mxf->index_entries); |
|
av_freep(&mxf->body_partition_offset); |
|
av_freep(&mxf->timecode_track->priv_data); |
|
av_freep(&mxf->timecode_track); |
|
|
|
mxf_free(s); |
|
|
|
return err < 0 ? err : 0; |
|
} |
|
|
|
static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush) |
|
{ |
|
int i, stream_count = 0; |
|
|
|
for (i = 0; i < s->nb_streams; i++) |
|
stream_count += !!s->streams[i]->last_in_packet_buffer; |
|
|
|
if (stream_count && (s->nb_streams == stream_count || flush)) { |
|
AVPacketList *pktl = s->internal->packet_buffer; |
|
if (s->nb_streams != stream_count) { |
|
AVPacketList *last = NULL; |
|
// find last packet in edit unit |
|
while (pktl) { |
|
if (!stream_count || pktl->pkt.stream_index == 0) |
|
break; |
|
last = pktl; |
|
pktl = pktl->next; |
|
stream_count--; |
|
} |
|
// purge packet queue |
|
while (pktl) { |
|
AVPacketList *next = pktl->next; |
|
|
|
if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl) |
|
s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL; |
|
av_packet_unref(&pktl->pkt); |
|
av_freep(&pktl); |
|
pktl = next; |
|
} |
|
if (last) |
|
last->next = NULL; |
|
else { |
|
s->internal->packet_buffer = NULL; |
|
s->internal->packet_buffer_end= NULL; |
|
goto out; |
|
} |
|
pktl = s->internal->packet_buffer; |
|
} |
|
|
|
*out = pktl->pkt; |
|
av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts); |
|
s->internal->packet_buffer = pktl->next; |
|
if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl) |
|
s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL; |
|
if(!s->internal->packet_buffer) |
|
s->internal->packet_buffer_end= NULL; |
|
av_freep(&pktl); |
|
return 1; |
|
} else { |
|
out: |
|
av_init_packet(out); |
|
return 0; |
|
} |
|
} |
|
|
|
static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt) |
|
{ |
|
MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data; |
|
MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data; |
|
|
|
return next->dts > pkt->dts || |
|
(next->dts == pkt->dts && sc->order < sc2->order); |
|
} |
|
|
|
static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush) |
|
{ |
|
return ff_audio_rechunk_interleave(s, out, pkt, flush, |
|
mxf_interleave_get_packet, mxf_compare_timestamps); |
|
} |
|
|
|
#define MXF_COMMON_OPTIONS \ |
|
{ "signal_standard", "Force/set Sigal Standard",\ |
|
offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\ |
|
{ "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\ |
|
0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\ |
|
{ "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\ |
|
0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\ |
|
{ "smpte347m", "SMPTE 347M (540 Mbps mappings)",\ |
|
0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\ |
|
{ "smpte274m", "SMPTE 274M (1125 line)",\ |
|
0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\ |
|
{ "smpte296m", "SMPTE 296M (750 line progressive)",\ |
|
0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\ |
|
{ "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\ |
|
0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\ |
|
{ "smpte428", "SMPTE 428-1 DCDM",\ |
|
0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"}, |
|
|
|
|
|
|
|
static const AVOption mxf_options[] = { |
|
MXF_COMMON_OPTIONS |
|
{ "store_user_comments", "", |
|
offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM}, |
|
{ NULL }, |
|
}; |
|
|
|
static const AVClass mxf_muxer_class = { |
|
.class_name = "MXF muxer", |
|
.item_name = av_default_item_name, |
|
.option = mxf_options, |
|
.version = LIBAVUTIL_VERSION_INT, |
|
}; |
|
|
|
static const AVOption d10_options[] = { |
|
{ "d10_channelcount", "Force/set channelcount in generic sound essence descriptor", |
|
offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM}, |
|
MXF_COMMON_OPTIONS |
|
{ "store_user_comments", "", |
|
offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM}, |
|
{ NULL }, |
|
}; |
|
|
|
static const AVClass mxf_d10_muxer_class = { |
|
.class_name = "MXF-D10 muxer", |
|
.item_name = av_default_item_name, |
|
.option = d10_options, |
|
.version = LIBAVUTIL_VERSION_INT, |
|
}; |
|
|
|
static const AVOption opatom_options[] = { |
|
{ "mxf_audio_edit_rate", "Audio edit rate for timecode", |
|
offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM }, |
|
MXF_COMMON_OPTIONS |
|
{ NULL }, |
|
}; |
|
|
|
static const AVClass mxf_opatom_muxer_class = { |
|
.class_name = "MXF-OPAtom muxer", |
|
.item_name = av_default_item_name, |
|
.option = opatom_options, |
|
.version = LIBAVUTIL_VERSION_INT, |
|
}; |
|
|
|
AVOutputFormat ff_mxf_muxer = { |
|
.name = "mxf", |
|
.long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"), |
|
.mime_type = "application/mxf", |
|
.extensions = "mxf", |
|
.priv_data_size = sizeof(MXFContext), |
|
.audio_codec = AV_CODEC_ID_PCM_S16LE, |
|
.video_codec = AV_CODEC_ID_MPEG2VIDEO, |
|
.write_header = mxf_write_header, |
|
.write_packet = mxf_write_packet, |
|
.write_trailer = mxf_write_footer, |
|
.flags = AVFMT_NOTIMESTAMPS, |
|
.interleave_packet = mxf_interleave, |
|
.priv_class = &mxf_muxer_class, |
|
}; |
|
|
|
AVOutputFormat ff_mxf_d10_muxer = { |
|
.name = "mxf_d10", |
|
.long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"), |
|
.mime_type = "application/mxf", |
|
.priv_data_size = sizeof(MXFContext), |
|
.audio_codec = AV_CODEC_ID_PCM_S16LE, |
|
.video_codec = AV_CODEC_ID_MPEG2VIDEO, |
|
.write_header = mxf_write_header, |
|
.write_packet = mxf_write_packet, |
|
.write_trailer = mxf_write_footer, |
|
.flags = AVFMT_NOTIMESTAMPS, |
|
.interleave_packet = mxf_interleave, |
|
.priv_class = &mxf_d10_muxer_class, |
|
}; |
|
|
|
AVOutputFormat ff_mxf_opatom_muxer = { |
|
.name = "mxf_opatom", |
|
.long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"), |
|
.mime_type = "application/mxf", |
|
.extensions = "mxf", |
|
.priv_data_size = sizeof(MXFContext), |
|
.audio_codec = AV_CODEC_ID_PCM_S16LE, |
|
.video_codec = AV_CODEC_ID_DNXHD, |
|
.write_header = mxf_write_header, |
|
.write_packet = mxf_write_packet, |
|
.write_trailer = mxf_write_footer, |
|
.flags = AVFMT_NOTIMESTAMPS, |
|
.interleave_packet = mxf_interleave, |
|
.priv_class = &mxf_opatom_muxer_class, |
|
};
|
|
|