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.
183 lines
8.0 KiB
183 lines
8.0 KiB
/* |
|
* Intel MediaSDK QSV based H.264 enccoder |
|
* |
|
* copyright (c) 2013 Yukinori Yamazoe |
|
* |
|
* 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 |
|
*/ |
|
|
|
|
|
#include <stdint.h> |
|
#include <sys/types.h> |
|
|
|
#include <mfx/mfxvideo.h> |
|
|
|
#include "libavutil/opt.h" |
|
|
|
#include "avcodec.h" |
|
#include "internal.h" |
|
#include "h264.h" |
|
#include "qsv.h" |
|
#include "qsv_internal.h" |
|
#include "qsvenc.h" |
|
|
|
typedef struct QSVH264EncContext { |
|
AVClass *class; |
|
QSVEncContext qsv; |
|
} QSVH264EncContext; |
|
|
|
static int qsv_h264_set_encode_ctrl(AVCodecContext *avctx, |
|
const AVFrame *frame, mfxEncodeCtrl* enc_ctrl) |
|
{ |
|
QSVH264EncContext *qh264 = avctx->priv_data; |
|
QSVEncContext *q = &qh264->qsv; |
|
|
|
if (q->a53_cc && frame) { |
|
mfxPayload* payload; |
|
mfxU8* sei_data; |
|
size_t sei_size; |
|
int res; |
|
|
|
res = ff_alloc_a53_sei(frame, sizeof(mfxPayload) + 2, (void**)&payload, &sei_size); |
|
if (res < 0) |
|
return res; |
|
|
|
sei_data = (mfxU8*)(payload + 1); |
|
// SEI header |
|
sei_data[0] = 4; |
|
sei_data[1] = (mfxU8)sei_size; // size of SEI data |
|
// SEI data filled in by ff_alloc_a53_sei |
|
|
|
payload->BufSize = sei_size + 2; |
|
payload->NumBit = payload->BufSize * 8; |
|
payload->Type = 4; |
|
payload->Data = sei_data; |
|
|
|
enc_ctrl->NumExtParam = 0; |
|
enc_ctrl->NumPayload = 1; |
|
enc_ctrl->Payload[0] = payload; |
|
} |
|
return 0; |
|
} |
|
|
|
static av_cold int qsv_enc_init(AVCodecContext *avctx) |
|
{ |
|
QSVH264EncContext *q = avctx->priv_data; |
|
|
|
q->qsv.set_encode_ctrl_cb = qsv_h264_set_encode_ctrl; |
|
return ff_qsv_enc_init(avctx, &q->qsv); |
|
} |
|
|
|
static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt, |
|
const AVFrame *frame, int *got_packet) |
|
{ |
|
QSVH264EncContext *q = avctx->priv_data; |
|
|
|
return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet); |
|
} |
|
|
|
static av_cold int qsv_enc_close(AVCodecContext *avctx) |
|
{ |
|
QSVH264EncContext *q = avctx->priv_data; |
|
|
|
return ff_qsv_enc_close(avctx, &q->qsv); |
|
} |
|
|
|
#define OFFSET(x) offsetof(QSVH264EncContext, x) |
|
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
|
static const AVOption options[] = { |
|
QSV_COMMON_OPTS |
|
|
|
{ "idr_interval", "Distance (in I-frames) between IDR frames", OFFSET(qsv.idr_interval), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, |
|
{ "pic_timing_sei", "Insert picture timing SEI with pic_struct_syntax element", OFFSET(qsv.pic_timing_sei), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE }, |
|
{ "single_sei_nal_unit", "Put all the SEI messages into one NALU", OFFSET(qsv.single_sei_nal_unit), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, |
|
{ "max_dec_frame_buffering", "Maximum number of frames buffered in the DPB", OFFSET(qsv.max_dec_frame_buffering), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE }, |
|
|
|
#if QSV_HAVE_LA |
|
{ "look_ahead", "Use VBR algorithm with look ahead", OFFSET(qsv.look_ahead), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE }, |
|
{ "look_ahead_depth", "Depth of look ahead in number frames", OFFSET(qsv.look_ahead_depth), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 100, VE }, |
|
#endif |
|
|
|
#if QSV_VERSION_ATLEAST(1,8) |
|
{ "look_ahead_downsampling", NULL, OFFSET(qsv.look_ahead_downsampling), AV_OPT_TYPE_INT, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, MFX_LOOKAHEAD_DS_UNKNOWN, MFX_LOOKAHEAD_DS_2x, VE, "look_ahead_downsampling" }, |
|
{ "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" }, |
|
{ "off" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_OFF }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" }, |
|
{ "2x" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_2x }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" }, |
|
#endif |
|
|
|
{ "int_ref_type", "Intra refresh type", OFFSET(qsv.int_ref_type), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE, "int_ref_type" }, |
|
{ "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, .flags = VE, "int_ref_type" }, |
|
{ "vertical", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, .flags = VE, "int_ref_type" }, |
|
{ "int_ref_cycle_size", "Number of frames in the intra refresh cycle", OFFSET(qsv.int_ref_cycle_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE }, |
|
{ "int_ref_qp_delta", "QP difference for the refresh MBs", OFFSET(qsv.int_ref_qp_delta), AV_OPT_TYPE_INT, { .i64 = INT16_MIN }, INT16_MIN, INT16_MAX, VE }, |
|
{ "recovery_point_sei", "Insert recovery point SEI messages", OFFSET(qsv.recovery_point_sei), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, |
|
|
|
{ "trellis", "Trellis quantization", OFFSET(qsv.trellis), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, 0, UINT_MAX, VE, "trellis" }, |
|
{ "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_OFF }, .flags = VE, "trellis" }, |
|
{ "I", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_I }, .flags = VE, "trellis" }, |
|
{ "P", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_P }, .flags = VE, "trellis" }, |
|
{ "B", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_B }, .flags = VE, "trellis" }, |
|
|
|
{ "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" }, |
|
{ "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, VE, "profile" }, |
|
{ "baseline", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_BASELINE }, INT_MIN, INT_MAX, VE, "profile" }, |
|
{ "main" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_MAIN }, INT_MIN, INT_MAX, VE, "profile" }, |
|
{ "high" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_HIGH }, INT_MIN, INT_MAX, VE, "profile" }, |
|
|
|
{ "a53cc" , "Use A53 Closed Captions (if available)", OFFSET(qsv.a53_cc), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, VE}, |
|
{ NULL }, |
|
}; |
|
|
|
static const AVClass class = { |
|
.class_name = "h264_qsv encoder", |
|
.item_name = av_default_item_name, |
|
.option = options, |
|
.version = LIBAVUTIL_VERSION_INT, |
|
}; |
|
|
|
static const AVCodecDefault qsv_enc_defaults[] = { |
|
{ "b", "1M" }, |
|
{ "refs", "0" }, |
|
// same as the x264 default |
|
{ "g", "250" }, |
|
{ "bf", "3" }, |
|
{ "coder", "ac" }, |
|
|
|
{ "flags", "+cgop" }, |
|
#if FF_API_PRIVATE_OPT |
|
{ "b_strategy", "-1" }, |
|
#endif |
|
{ NULL }, |
|
}; |
|
|
|
AVCodec ff_h264_qsv_encoder = { |
|
.name = "h264_qsv", |
|
.long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration)"), |
|
.priv_data_size = sizeof(QSVH264EncContext), |
|
.type = AVMEDIA_TYPE_VIDEO, |
|
.id = AV_CODEC_ID_H264, |
|
.init = qsv_enc_init, |
|
.encode2 = qsv_enc_frame, |
|
.close = qsv_enc_close, |
|
.capabilities = AV_CODEC_CAP_DELAY, |
|
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12, |
|
AV_PIX_FMT_QSV, |
|
AV_PIX_FMT_NONE }, |
|
.priv_class = &class, |
|
.defaults = qsv_enc_defaults, |
|
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP, |
|
};
|
|
|