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authorBaptiste Coudurier <baptiste.coudurier@gmail.com>2009-02-13 07:34:01 +0000
committerBaptiste Coudurier <baptiste.coudurier@gmail.com>2009-02-13 07:34:01 +0000
commit8d1a5af700c7942d16b6643f357657b240ff8ab3 (patch)
tree57bed823b6b436519ebceb2d41d9a02152f9d0ae /libavformat/mxfenc.c
parentbd3f81f313b1d3e289fa4312c17c94c8c215f5e9 (diff)
cosmetics, reindent, add/remove some empty lines, redundant comment
Originally committed as revision 17205 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/mxfenc.c')
-rw-r--r--libavformat/mxfenc.c146
1 files changed, 73 insertions, 73 deletions
diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c
index 9c045b0417..0fe162bbc3 100644
--- a/libavformat/mxfenc.c
+++ b/libavformat/mxfenc.c
@@ -1089,76 +1089,75 @@ static void mxf_write_index_table_segment(AVFormatContext *s)
put_byte(pb, mxf->slice_count);
if (!mxf->edit_unit_byte_count) {
- // delta entry array
- mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
- put_be32(pb, s->nb_streams+1); // num of entries
- put_be32(pb, 6); // size of one entry
- // write system item delta entry
- put_byte(pb, 0);
- put_byte(pb, 0); // slice entry
- put_be32(pb, 0); // element delta
- for (i = 0; i < s->nb_streams; i++) {
- AVStream *st = s->streams[i];
- MXFStreamContext *sc = st->priv_data;
- put_byte(pb, sc->temporal_reordering);
- if (sc->temporal_reordering)
- temporal_reordering = 1;
- // slice number
- if (i == 0) { // video track
- put_byte(pb, 0); // slice number
- put_be32(pb, KAG_SIZE); // system item size including klv fill
- } else { // audio track
- unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
- audio_frame_size += klv_fill_size(audio_frame_size);
- put_byte(pb, 1);
- put_be32(pb, (i-1)*audio_frame_size); // element delta
+ // delta entry array
+ mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
+ put_be32(pb, s->nb_streams+1); // num of entries
+ put_be32(pb, 6); // size of one entry
+ // write system item delta entry
+ put_byte(pb, 0);
+ put_byte(pb, 0); // slice entry
+ put_be32(pb, 0); // element delta
+ for (i = 0; i < s->nb_streams; i++) {
+ AVStream *st = s->streams[i];
+ MXFStreamContext *sc = st->priv_data;
+ put_byte(pb, sc->temporal_reordering);
+ if (sc->temporal_reordering)
+ temporal_reordering = 1;
+ if (i == 0) { // video track
+ put_byte(pb, 0); // slice number
+ put_be32(pb, KAG_SIZE); // system item size including klv fill
+ } else { // audio track
+ unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
+ audio_frame_size += klv_fill_size(audio_frame_size);
+ put_byte(pb, 1);
+ put_be32(pb, (i-1)*audio_frame_size); // element delta
+ }
}
- }
- mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
- put_be32(pb, mxf->edit_units_count); // num of entries
- put_be32(pb, 11+mxf->slice_count*4); // size of one entry
- for (i = 0; i < mxf->edit_units_count; i++) {
- if (temporal_reordering) {
- int temporal_offset = 0;
- for (j = i+1; j < mxf->edit_units_count; j++) {
- temporal_offset++;
- if (mxf->index_entries[j].flags & 0x10) { // backward prediction
- // next is not b, so is reordered
- if (!(mxf->index_entries[i+1].flags & 0x10)) {
- if ((mxf->index_entries[i].flags & 0x11) == 0) // i frame
- temporal_offset = 0;
- else
- temporal_offset = -temporal_offset;
+ mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
+ put_be32(pb, mxf->edit_units_count); // num of entries
+ put_be32(pb, 11+mxf->slice_count*4); // size of one entry
+ for (i = 0; i < mxf->edit_units_count; i++) {
+ if (temporal_reordering) {
+ int temporal_offset = 0;
+ for (j = i+1; j < mxf->edit_units_count; j++) {
+ temporal_offset++;
+ if (mxf->index_entries[j].flags & 0x10) { // backward prediction
+ // next is not b, so is reordered
+ if (!(mxf->index_entries[i+1].flags & 0x10)) {
+ if ((mxf->index_entries[i].flags & 0x11) == 0) // i frame
+ temporal_offset = 0;
+ else
+ temporal_offset = -temporal_offset;
+ }
+ break;
}
- break;
}
- }
- put_byte(pb, temporal_offset);
- } else
- put_byte(pb, 0);
- if (!(mxf->index_entries[i].flags & 0x33)) { // I frame
- mxf->last_key_index = key_index;
- key_index = i;
- }
- if (mxf->index_entries[i].flags & 0x10 && // backward prediction
- !(mxf->index_entries[key_index].flags & 0x80)) { // open gop
- put_byte(pb, mxf->last_key_index - i);
- } else {
- put_byte(pb, key_index - i); // key frame offset
- if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
+ put_byte(pb, temporal_offset);
+ } else
+ put_byte(pb, 0);
+ if (!(mxf->index_entries[i].flags & 0x33)) { // I frame
mxf->last_key_index = key_index;
+ key_index = i;
+ }
+ if (mxf->index_entries[i].flags & 0x10 && // backward prediction
+ !(mxf->index_entries[key_index].flags & 0x80)) { // open gop
+ put_byte(pb, mxf->last_key_index - i);
+ } else {
+ put_byte(pb, key_index - i); // key frame offset
+ if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
+ mxf->last_key_index = key_index;
+ }
+ put_byte(pb, mxf->index_entries[i].flags);
+ // stream offset
+ put_be64(pb, mxf->index_entries[i].offset - mxf->first_edit_unit_offset);
+ if (s->nb_streams > 1)
+ put_be32(pb, mxf->index_entries[i].slice_offset);
}
- put_byte(pb, mxf->index_entries[i].flags);
- // stream offset
- put_be64(pb, mxf->index_entries[i].offset - mxf->first_edit_unit_offset);
- if (s->nb_streams > 1)
- put_be32(pb, mxf->index_entries[i].slice_offset);
- }
- mxf->last_key_index = key_index - mxf->edit_units_count;
- mxf->last_indexed_edit_unit += mxf->edit_units_count;
- mxf->edit_units_count = 0;
+ mxf->last_key_index = key_index - mxf->edit_units_count;
+ mxf->last_indexed_edit_unit += mxf->edit_units_count;
+ mxf->edit_units_count = 0;
}
}
@@ -1207,7 +1206,6 @@ static void mxf_write_partition(AVFormatContext *s, int bodysid,
// write klv
put_buffer(pb, key, 16);
-
klv_encode_ber_length(pb, 88 + 16 * mxf->essence_container_count);
// write partition value
@@ -1458,12 +1456,12 @@ static int mxf_write_header(AVFormatContext *s)
}
if (!sc->index) {
- sc->index = mxf_get_essence_container_ul_index(st->codec->codec_id);
- if (sc->index == -1) {
- av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
- "codec not currently supported in container\n", i);
- return -1;
- }
+ sc->index = mxf_get_essence_container_ul_index(st->codec->codec_id);
+ if (sc->index == -1) {
+ av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
+ "codec not currently supported in container\n", i);
+ return -1;
+ }
}
sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
@@ -1473,6 +1471,7 @@ static int mxf_write_header(AVFormatContext *s)
present[sc->index] = 1;
} else
present[sc->index]++;
+
memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
sc->track_essence_element_key[15] = present[sc->index];
PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
@@ -1770,10 +1769,10 @@ static int mxf_write_footer(AVFormatContext *s)
if (mxf->edit_unit_byte_count) { // no need to repeat index
mxf_write_partition(s, 0, 0, footer_partition_key, 0);
} else {
- mxf_write_partition(s, 0, 2, footer_partition_key, 0);
+ mxf_write_partition(s, 0, 2, footer_partition_key, 0);
- mxf_write_klv_fill(s);
- mxf_write_index_table_segment(s);
+ mxf_write_klv_fill(s);
+ mxf_write_index_table_segment(s);
}
mxf_write_klv_fill(s);
@@ -1806,6 +1805,7 @@ static int mxf_write_footer(AVFormatContext *s)
av_freep(&mxf->timecode_track);
mxf_free(s);
+
return 0;
}