Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

avformat/mxfenc: simplify dv ul handling

Browse Source
pull/333/head
Baptiste Coudurier 6 years ago
parent eafa8e8592
commit 635a5c11a6
1 changed files with 46 additions and 82 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 128
      libavformat/mxfenc.c

128
libavformat/mxfenc.c
Unescape View File

@ -83,6 +83,7 @@ typedef struct MXFStreamContext {
UID track_essence_element_key;
int index; ///< index in mxf_essence_container_uls table
const UID *codec_ul;
const UID *container_ul;
int order; ///< interleaving order if dts are equal
int interlaced; ///< whether picture is interlaced
int field_dominance; ///< tff=1, bff=2
@ -135,16 +136,6 @@ enum ULIndex {
INDEX_D10_525_60_30_VIDEO,
INDEX_D10_525_60_30_AUDIO,
INDEX_DV,
INDEX_DV25_525_60,
INDEX_DV25_625_50,
INDEX_DV25_525_60_IEC,
INDEX_DV25_625_50_IEC,
INDEX_DV50_525_60,
INDEX_DV50_625_50,
INDEX_DV100_1080_60,
INDEX_DV100_1080_50,
INDEX_DV100_720_60,
INDEX_DV100_720_50,
INDEX_DNXHD,
INDEX_JPEG2000,
INDEX_H264,
@ -242,64 +233,11 @@ static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
{ 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
// DV
{ { 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 },
// IEC DV25 525/60
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 },
{ 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 },
// IEC DV25 625/50
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 },
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 },
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
{ { 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 },
@ -690,7 +628,7 @@ static void mxf_write_essence_container_refs(AVFormatContext *s)
// check first track of essence container type and only write it once
if (sc->track_essence_element_key[15] != 0)
continue;
avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
avio_write(pb, *sc->container_ul, 16);
if (c->essence_container_count == 1)
break;
}
@ -1100,7 +1038,7 @@ static void mxf_write_multi_descriptor(AVFormatContext *s)
ul = multiple_desc_ul;
else {
MXFStreamContext *sc = s->streams[0]->priv_data;
ul = mxf_essence_container_uls[sc->index].container_ul;
ul = *sc->container_ul;
}
avio_write(pb, ul, 16);
@ -1144,7 +1082,7 @@ static int64_t mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UI
}
mxf_write_local_tag(pb, 16, 0x3004);
avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
avio_write(pb, *sc->container_ul, 16);
return pos;
}
@ -2156,13 +2094,38 @@ static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt
return 1;
}
static const struct {
const UID container_ul;
const UID codec_ul;
} mxf_dv_uls[] = {
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 }, // IEC DV25 525/60
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x01,0x00 } },
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 }, // IEC DV25 626/50
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 } },
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 }, // DV25 525/60
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 }, },
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, // DV25 625/50
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 }, },
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 }, // DV50 525/60
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 }, },
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 }, // DV50 625/50
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 }, },
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 }, // DV100 1080/60
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 }, },
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 }, // DV100 1080/50
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 }, },
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 }, // DV100 720/60
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 }, },
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 }, // DV100 720/50
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 }, },
};
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 ul_index, stype, pal;
const AVDVProfile *profile;
int apt, ul_index, stype, pal;
if (mxf->header_written)
return 1;
@ -2171,8 +2134,7 @@ static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
if (pkt->size < 120000)
return -1;
profile = av_dv_frame_profile(NULL, pkt->data, pkt->size);
apt = pkt->data[4] & 0x7;
vs_pack = pkt->data + 80*5 + 48;
vsc_pack = pkt->data + 80*5 + 53;
stype = vs_pack[3] & 0x1f;
@ -2191,28 +2153,29 @@ static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
switch (stype) {
case 0x18: // DV100 720p
ul_index = INDEX_DV100_720_50 + pal;
ul_index = 8+pal;
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 = INDEX_DV100_1080_50 + pal;
ul_index = 6+pal;
break;
case 0x04: // DV50
ul_index = INDEX_DV50_525_60 + pal;
ul_index = 4+pal;
break;
default: // DV25
if (profile && profile->pix_fmt == AV_PIX_FMT_YUV420P && pal) {
ul_index = INDEX_DV25_525_60_IEC + pal;
break;
if (!apt) { // IEC
ul_index = 0+pal;
} else {
ul_index = 2+pal;
}
ul_index = INDEX_DV25_525_60 + pal;
}
sc->index = ul_index;
sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
sc->container_ul = &mxf_dv_uls[ul_index].container_ul;
sc->codec_ul = &mxf_dv_uls[ul_index].codec_ul;
sc->frame_size = pkt->size;
return 1;
@ -2685,6 +2648,7 @@ static int mxf_write_header(AVFormatContext *s)
}
sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
sc->container_ul = &mxf_essence_container_uls[sc->index].container_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];
@ -2706,7 +2670,7 @@ static int mxf_write_header(AVFormatContext *s)
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
if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[INDEX_DV].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);
@ -2765,7 +2729,7 @@ static void mxf_write_system_item(AVFormatContext *s)
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_write(pb, *sc->container_ul, 16);
}
avio_w8(pb, 0);
avio_wb64(pb, 0);

Write Preview
Loading…
Cancel
Save