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merge mxf_write_d10_packet into mxf_write_packet 

Originally committed as revision 17367 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2009-02-16 10:44:38 +00:00
parent ed80a059ba
commit d1fa518e9c
1 changed files with 30 additions and 65 deletions
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95
libavformat/mxfenc.c
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@ -1631,47 +1631,6 @@ static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacke
}
}
static int mxf_write_d10_packet(AVFormatContext *s, AVPacket *pkt)
{
MXFContext *mxf = s->priv_data;
ByteIOContext *pb = s->pb;
AVStream *st = s->streams[pkt->stream_index];
MXFStreamContext *sc = st->priv_data;
int flags = 0;
if (st->codec->codec_id == CODEC_ID_MPEG2VIDEO) {
if (!mxf_parse_mpeg2_frame(s, st, pkt, &flags)) {
av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
return -1;
}
}
if (!mxf->header_written) {
mxf_write_partition(s, 1, 2, header_open_partition_key, 1);
mxf->header_written = 1;
mxf_write_klv_fill(s);
mxf_write_index_table_segment(s);
}
if (st->index == 0) {
mxf_write_klv_fill(s);
mxf_write_system_item(s);
mxf->edit_units_count++;
}
mxf_write_klv_fill(s);
put_buffer(pb, sc->track_essence_element_key, 16); // write key
if (st->codec->codec_type == CODEC_TYPE_VIDEO)
mxf_write_d10_video_packet(s, st, pkt);
else
mxf_write_d10_audio_packet(s, st, pkt);
put_flush_packet(pb);
return 0;
}
static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
{
MXFContext *mxf = s->priv_data;
@ -1680,7 +1639,7 @@ static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
MXFStreamContext *sc = st->priv_data;
int flags = 0;
if (!(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
mxf->index_entries = av_realloc(mxf->index_entries,
(mxf->edit_units_count + EDIT_UNITS_PER_BODY)*sizeof(*mxf->index_entries));
if (!mxf->index_entries) {
@ -1697,12 +1656,19 @@ static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
}
if (!mxf->header_written) {
mxf_write_partition(s, 0, 0, header_open_partition_key, 1);
if (mxf->edit_unit_byte_count) {
mxf_write_partition(s, 1, 2, header_open_partition_key, 1);
mxf_write_klv_fill(s);
mxf_write_index_table_segment(s);
} else {
mxf_write_partition(s, 0, 0, header_open_partition_key, 1);
}
mxf->header_written = 1;
}
if (st->index == 0) {
if ((!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
if (!mxf->edit_unit_byte_count &&
(!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
!(flags & 0x33)) { // I frame, Gop start
mxf_write_klv_fill(s);
mxf_write_partition(s, 1, 2, body_partition_key, 0);
@ -1712,27 +1678,34 @@ static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
}
mxf_write_klv_fill(s);
mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
mxf->index_entries[mxf->edit_units_count].flags = flags;
mxf_write_system_item(s);
mxf->body_offset += KAG_SIZE; // size of system element
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 = flags;
mxf->body_offset += KAG_SIZE; // size of system element
}
mxf->edit_units_count++;
} else if (st->index == 1) {
} else if (!mxf->edit_unit_byte_count && st->index == 1) {
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);
put_buffer(pb, sc->track_essence_element_key, 16); // write key
klv_encode_ber4_length(pb, pkt->size); // write length
put_buffer(pb, pkt->data, pkt->size); // write value
if (s->oformat == &mxf_d10_muxer) {
if (st->codec->codec_type == CODEC_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
put_buffer(pb, pkt->data, pkt->size);
mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
}
put_flush_packet(pb);
mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
return 0;
}
@ -1782,21 +1755,13 @@ static int mxf_write_footer(AVFormatContext *s)
mxf_write_random_index_pack(s);
if (!url_is_streamed(s->pb)) {
int index;
url_fseek(pb, 0, SEEK_SET);
if (s->oformat == &mxf_d10_muxer) {
if (mxf->edit_unit_byte_count) {
mxf_write_partition(s, 1, 2, header_closed_partition_key, 1);
index = 1;
} else if (mxf->edit_unit_byte_count) {
mxf_write_partition(s, 0, 2, header_closed_partition_key, 1);
index = 1;
} else {
mxf_write_partition(s, 0, 0, header_closed_partition_key, 1);
index = 0;
}
if (index) {
mxf_write_klv_fill(s);
mxf_write_index_table_segment(s);
} else {
mxf_write_partition(s, 0, 0, header_closed_partition_key, 1);
}
}
@ -1908,7 +1873,7 @@ AVOutputFormat mxf_d10_muxer = {
CODEC_ID_PCM_S16LE,
CODEC_ID_MPEG2VIDEO,
mxf_write_header,
mxf_write_d10_packet,
mxf_write_packet,
mxf_write_footer,
AVFMT_NOTIMESTAMPS,
NULL,