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https://gitee.com/openharmony/third_party_ffmpeg
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merge descriptor write table with essence container uls table and simplify
Originally committed as revision 15109 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier
parent
b6fa8a8af8
commit
f2ebd15952
@ -43,6 +43,7 @@ typedef struct {
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const UID *essence_container_ul;
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const UID *codec_ul;
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int64_t duration;
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void (*write_desc)();
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} MXFStreamContext;
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typedef struct {
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@ -50,18 +51,25 @@ typedef struct {
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UID element_ul;
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UID codec_ul;
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enum CodecID id;
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void (*write_desc)();
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} MXFContainerEssencePair;
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static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
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static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
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static const MXFContainerEssencePair mxf_essence_container_uls[] = {
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{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
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{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
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{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 }, CODEC_ID_MPEG2VIDEO },
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{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
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CODEC_ID_MPEG2VIDEO, mxf_write_mpegvideo_desc },
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{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
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{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
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{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, CODEC_ID_PCM_S16LE },
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{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
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CODEC_ID_PCM_S16LE, mxf_write_wav_desc },
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{ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
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{ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
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{ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, CODEC_ID_NONE },
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{ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
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CODEC_ID_NONE, NULL },
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};
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typedef struct MXFContext {
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@ -71,12 +79,6 @@ typedef struct MXFContext {
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sizeof(*mxf_essence_container_uls)];
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} MXFContext;
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typedef struct {
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const UID key;
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void (*write)();
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enum CodecType type;
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} MXFDescriptorWriteTableEntry;
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static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
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static const uint8_t umid_base[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x0F,0x00,0x13,0x00,0x00,0x00 };
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@ -575,11 +577,11 @@ static void mxf_write_multi_descriptor(AVFormatContext *s)
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mxf_write_uuid(pb, SubDescriptor, i);
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}
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static void mxf_write_generic_desc(ByteIOContext *pb, const MXFDescriptorWriteTableEntry *desc_tbl, AVStream *st)
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static void mxf_write_generic_desc(ByteIOContext *pb, AVStream *st, const UID key)
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{
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MXFStreamContext *sc = st->priv_data;
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put_buffer(pb, desc_tbl->key, 16);
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put_buffer(pb, key, 16);
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klv_encode_ber_length(pb, 108);
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mxf_write_local_tag(pb, 16, 0x3C0A);
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@ -599,11 +601,14 @@ static void mxf_write_generic_desc(ByteIOContext *pb, const MXFDescriptorWriteTa
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put_buffer(pb, *sc->codec_ul, 16);
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}
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static void mxf_write_mpegvideo_desc(AVFormatContext *s, const MXFDescriptorWriteTableEntry *desc_tbl, AVStream *st)
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static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
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static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
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static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
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{
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ByteIOContext *pb = s->pb;
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mxf_write_generic_desc(pb, desc_tbl, st);
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mxf_write_generic_desc(pb, st, mxf_mpegvideo_descriptor_key);
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mxf_write_local_tag(pb, 4, 0x3203);
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put_be32(pb, st->codec->width);
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@ -616,11 +621,11 @@ static void mxf_write_mpegvideo_desc(AVFormatContext *s, const MXFDescriptorWrit
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put_be32(pb, st->codec->width * st->sample_aspect_ratio.num);
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}
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static void mxf_write_wav_desc(AVFormatContext *s, const MXFDescriptorWriteTableEntry *desc_tbl, AVStream *st)
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static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
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{
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ByteIOContext *pb = s->pb;
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mxf_write_generic_desc(pb, desc_tbl, st);
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mxf_write_generic_desc(pb, st, mxf_wav_descriptor_key);
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// write audio sampling rate
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mxf_write_local_tag(pb, 8, 0x3D03);
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@ -634,16 +639,9 @@ static void mxf_write_wav_desc(AVFormatContext *s, const MXFDescriptorWriteTable
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put_be32(pb, st->codec->bits_per_sample);
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}
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static const MXFDescriptorWriteTableEntry mxf_descriptor_write_table[] = {
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{ { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 }, mxf_write_mpegvideo_desc, CODEC_ID_MPEG2VIDEO},
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{ { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 }, mxf_write_wav_desc, CODEC_ID_PCM_S16LE},
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{ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, NULL, CODEC_ID_NONE},
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};
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static void mxf_build_structural_metadata(AVFormatContext *s, enum MXFMetadataSetType type)
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{
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int i;
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const MXFDescriptorWriteTableEntry *desc = NULL;
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mxf_write_package(s, type);
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if (type == SourcePackage)
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@ -656,12 +654,8 @@ static void mxf_build_structural_metadata(AVFormatContext *s, enum MXFMetadataSe
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mxf_write_structural_component(s, st, type);
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if (type == SourcePackage) {
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for (desc = mxf_descriptor_write_table; desc->write; desc++) {
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if (s->streams[i]->codec->codec_id == desc->type) {
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desc->write(s, desc, st);
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break;
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}
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}
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MXFStreamContext *sc = st->priv_data;
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sc->write_desc(s, st);
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}
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}
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}
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@ -812,6 +806,7 @@ static int mxf_write_header(AVFormatContext *s)
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memcpy(sc->track_essence_element_key, mxf_essence_container_uls[index].element_ul, 15);
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sc->track_essence_element_key[15] = present[index];
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PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
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sc->write_desc = mxf_essence_container_uls[index].write_desc;
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}
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mxf_write_partition(s, 1, header_open_partition_key, 1);
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