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lavf/mxfenc: fix muxing for DNxHD/DNxHR 444

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This commit is contained in:
Baptiste Coudurier
2025-06-04 00:01:44 -07:00
parent 548bdee8db
commit 7f7335ec43
1 changed files with 55 additions and 15 deletions
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70
libavformat/mxfenc.c
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@@ -121,6 +121,7 @@ typedef struct MXFStreamContext {
j2k_info_t j2k_info;
enum MXFMetadataSetType sub_descriptor;
const UID *picture_descriptor_key;
int cid; ///< compression id, used by dnxhd
} MXFStreamContext;
typedef struct MXFContainerEssenceEntry {
@@ -289,6 +290,8 @@ static const uint8_t header_closed_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,
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
static const UID mxf_rgba_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x29,0x00 };
/**
* partial key for header metadata
*/
@@ -390,6 +393,10 @@ static const MXFLocalTagPair mxf_local_tag_batch[] = {
{ 0x3304, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x03,0x00,0x00,0x00}}, /* Black Ref level */
{ 0x3305, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x04,0x00,0x00,0x00}}, /* White Ref level */
{ 0x3306, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x05,0x00,0x00,0x00}}, /* Color Range */
// RGBA Picture Essence Descriptor
{ 0x3401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x05,0x03,0x06,0x00,0x00,0x00}}, /* Pixel Layout */
{ 0x3406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x05,0x03,0x0B,0x00,0x00,0x00}}, /* Component Max Ref */
{ 0x3407, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x05,0x03,0x0C,0x00,0x00,0x00}}, /* Component Min Ref */
// 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 */
@@ -585,27 +592,31 @@ static void mxf_write_primer_pack(AVFormatContext *s)
AVIOContext *pb = s->pb;
int local_tag_number = MXF_NUM_TAGS, i;
int will_have_avc_tags = 0, will_have_mastering_tags = 0, will_have_ffv1_tags = 0, will_have_jpeg2000_tags = 0;
int will_have_sub_descriptor = 0;
int will_have_sub_descriptor = 0, will_have_rgba_descriptor = 0;
for (i = 0; i < s->nb_streams; i++) {
MXFStreamContext *sc = s->streams[i]->priv_data;
if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_H264 && sc->sub_descriptor) {
AVStream *st = s->streams[i];
MXFStreamContext *sc = st->priv_data;
if (st->codecpar->codec_id == AV_CODEC_ID_H264 && sc->sub_descriptor) {
will_have_avc_tags = 1;
}
if (av_packet_side_data_get(s->streams[i]->codecpar->coded_side_data,
s->streams[i]->codecpar->nb_coded_side_data,
if (av_packet_side_data_get(st->codecpar->coded_side_data,
st->codecpar->nb_coded_side_data,
AV_PKT_DATA_MASTERING_DISPLAY_METADATA)) {
will_have_mastering_tags = 1;
}
if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_FFV1) {
if (st->codecpar->codec_id == AV_CODEC_ID_FFV1) {
will_have_ffv1_tags = 1;
}
if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_JPEG2000){
if (st->codecpar->codec_id == AV_CODEC_ID_JPEG2000) {
will_have_jpeg2000_tags = 1;
}
if (sc->sub_descriptor) {
will_have_sub_descriptor = 1;
}
if (sc->picture_descriptor_key == &mxf_rgba_descriptor_key) {
will_have_rgba_descriptor = 1;
}
}
if (!mxf->store_user_comments) {
@@ -618,6 +629,12 @@ static void mxf_write_primer_pack(AVFormatContext *s)
mxf_mark_tag_unused(mxf, 0x8100);
}
if (!will_have_rgba_descriptor) {
mxf_mark_tag_unused(mxf, 0x3401);
mxf_mark_tag_unused(mxf, 0x3406);
mxf_mark_tag_unused(mxf, 0x3407);
}
if (!will_have_avc_tags) {
mxf_mark_tag_unused(mxf, 0x8200);
mxf_mark_tag_unused(mxf, 0x8201);
@@ -1190,7 +1207,6 @@ static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,
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_rgba_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x29,0x00 };
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 const UID mxf_avc_subdescriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x6E,0x00 };
@@ -1222,6 +1238,7 @@ static int64_t mxf_write_generic_picture_desc(AVFormatContext *s, AVStream *st)
const MXFCodecUL *color_space_ul;
int64_t pos = mxf_write_generic_desc(s, st, *sc->picture_descriptor_key);
const AVPacketSideData *side_data;
int component_depth = pix_desc->comp[0].depth;
color_primaries_ul = mxf_get_codec_ul_by_id(ff_mxf_color_primaries_uls, st->codecpar->color_primaries);
color_trc_ul = mxf_get_codec_ul_by_id(ff_mxf_color_trc_uls, st->codecpar->color_trc);
@@ -1236,6 +1253,10 @@ static int64_t mxf_write_generic_picture_desc(AVFormatContext *s, AVStream *st)
display_width = stored_width;
switch (st->codecpar->codec_id) {
case AV_CODEC_ID_DNXHD:
if (sc->cid < 1270) // DNxHD
break;
// fall for DNxHR RI rasters
case AV_CODEC_ID_MPEG2VIDEO:
case AV_CODEC_ID_H264:
//Based on 16x16 macroblocks
@@ -1313,8 +1334,25 @@ static int64_t mxf_write_generic_picture_desc(AVFormatContext *s, AVStream *st)
avio_wb32(pb, -((st->codecpar->height - display_height)&1));
}
if (sc->picture_descriptor_key != &mxf_rgba_descriptor_key) {
int component_depth = pix_desc->comp[0].depth;
if (sc->picture_descriptor_key == &mxf_rgba_descriptor_key) {
uint8_t rgb_layout[16] = {
'R', component_depth,
'G', component_depth,
'B', component_depth,
};
// pixel layout
mxf_write_local_tag(s, 16, 0x3401);
avio_write(pb, rgb_layout, 16);
// component max ref
mxf_write_local_tag(s, 4, 0x3406);
avio_wb32(pb, (1<<component_depth) - 1);
// component min ref
mxf_write_local_tag(s, 4, 0x3407);
avio_wb32(pb, 0);
} else {
int h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
int v_chroma_sub_sample = 1 << pix_desc->log2_chroma_h;
int color_siting;
@@ -1393,7 +1431,6 @@ static int64_t mxf_write_generic_picture_desc(AVFormatContext *s, AVStream *st)
f1 *= 2;
}
mxf_write_local_tag(s, 16, 0x320D);
avio_wb32(pb, 2);
avio_wb32(pb, 4);
@@ -2323,7 +2360,7 @@ 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;
int i;
if (mxf->header_written)
return 1;
@@ -2331,9 +2368,9 @@ static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt
if (pkt->size < 43)
return 0;
cid = AV_RB32(pkt->data + 0x28);
sc->cid = AV_RB32(pkt->data + 0x28);
for (i = 0; i < FF_ARRAY_ELEMS(mxf_dnxhd_codec_uls); i++) {
if (cid == mxf_dnxhd_codec_uls[i].cid) {
if (sc->cid == mxf_dnxhd_codec_uls[i].cid) {
sc->codec_ul = &mxf_dnxhd_codec_uls[i].codec_ul;
sc->interlaced = mxf_dnxhd_codec_uls[i].interlaced;
break;
@@ -2342,7 +2379,7 @@ static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt
if (i == FF_ARRAY_ELEMS(mxf_dnxhd_codec_uls))
return 0;
if (cid >= 1270) { // RI raster
if (sc->cid >= 1270) { // RI raster
av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
st->codecpar->width, st->codecpar->height,
INT_MAX);
@@ -2352,6 +2389,9 @@ static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt
sc->frame_size = pkt->size;
if (sc->cid == 1270 || sc->cid == 1256)
sc->picture_descriptor_key = &mxf_rgba_descriptor_key;
return 1;
}