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lavf/movenc: add get_moov_size and use it in fragment code.

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This function will be re-used in the following commits.
This commit is contained in:
Clément Bœsch
2012-09-20 10:34:28 +02:00
committed by Clément Bœsch
parent 65f7aee63b
commit e17a2aba25
1 changed files with 18 additions and 9 deletions
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27
libavformat/movenc.c
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@@ -2876,6 +2876,21 @@ static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
} }
} }
static int get_moov_size(AVFormatContext *s)
{
int ret;
uint8_t *buf;
AVIOContext *moov_buf;
MOVMuxContext *mov = s->priv_data;
if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
return ret;
mov_write_moov_tag(moov_buf, mov, s);
ret = avio_close_dyn_buf(moov_buf, &buf);
av_free(buf);
return ret;
}
static int mov_flush_fragment(AVFormatContext *s) static int mov_flush_fragment(AVFormatContext *s)
{ {
MOVMuxContext *mov = s->priv_data; MOVMuxContext *mov = s->priv_data;
@@ -2887,10 +2902,8 @@ static int mov_flush_fragment(AVFormatContext *s)
if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) { if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
int64_t pos = avio_tell(s->pb); int64_t pos = avio_tell(s->pb);
int ret;
AVIOContext *moov_buf;
uint8_t *buf; uint8_t *buf;
int buf_size; int buf_size, moov_size;
for (i = 0; i < mov->nb_streams; i++) for (i = 0; i < mov->nb_streams; i++)
if (!mov->tracks[i].entry) if (!mov->tracks[i].entry)
@@ -2899,13 +2912,9 @@ static int mov_flush_fragment(AVFormatContext *s)
if (i < mov->nb_streams) if (i < mov->nb_streams)
return 0; return 0;
if ((ret = avio_open_dyn_buf(&moov_buf)) < 0) moov_size = get_moov_size(s);
return ret;
mov_write_moov_tag(moov_buf, mov, s);
buf_size = avio_close_dyn_buf(moov_buf, &buf);
av_free(buf);
for (i = 0; i < mov->nb_streams; i++) for (i = 0; i < mov->nb_streams; i++)
mov->tracks[i].data_offset = pos + buf_size + 8; mov->tracks[i].data_offset = pos + moov_size + 8;
mov_write_moov_tag(s->pb, mov, s); mov_write_moov_tag(s->pb, mov, s);