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Support for streaming: dont write indexes and dont signal HAS_INDEX in header. Also set filesize to max in this case.

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Originally committed as revision 4698 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alex Beregszaszi 2005-11-13 03:32:12 +00:00
parent 6b0bdc754b
commit a2a2668d57
1 changed files with 18 additions and 3 deletions
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21
libavformat/avienc.c
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@ -357,7 +357,10 @@ static int avi_write_header(AVFormatContext *s)
}
put_le32(pb, bitrate / 8); /* XXX: not quite exact */
put_le32(pb, 0); /* padding */
put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
if (url_is_streamed(pb))
put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_ISINTERLEAVED); /* flags */
else
put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
avi->frames_hdr_all = url_ftell(pb); /* remember this offset to fill later */
put_le32(pb, nb_frames); /* nb frames, filled later */
put_le32(pb, 0); /* initial frame */
@ -412,7 +415,10 @@ static int avi_write_header(AVFormatContext *s)
put_le32(pb, 0); /* start */
avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
put_le32(pb, 0); /* length, XXX: filled later */
if (url_is_streamed(pb))
put_le32(pb, AVI_MAX_RIFF_SIZE); /* FIXME: this may be broken, but who cares */
else
put_le32(pb, 0); /* length, XXX: filled later */
/* suggested buffer size */ //FIXME set at the end to largest chunk
if(stream->codec_type == CODEC_TYPE_VIDEO)
@ -502,6 +508,9 @@ static int avi_write_ix(AVFormatContext *s)
unsigned char ix_tag[] = "ix00";
int i, j;
if (url_is_streamed(pb))
return -1;
if (avi->riff_id > AVI_MASTER_INDEX_SIZE)
return -1;
@ -638,7 +647,10 @@ static int avi_write_packet(AVFormatContext *s, AVPacket *pkt)
}
avi->packet_count[stream_index]++;
if (url_ftell(pb) - avi->riff_start > AVI_MAX_RIFF_SIZE) {
// Make sure to put an OpenDML chunk when the file size exceeds the limits
if (!url_is_streamed(pb) &&
(url_ftell(pb) - avi->riff_start > AVI_MAX_RIFF_SIZE)) {
avi_write_ix(s);
end_tag(pb, avi->movi_list);
@ -694,6 +706,8 @@ static int avi_write_trailer(AVFormatContext *s)
int i, j, n, nb_frames;
offset_t file_size;
if (!url_is_streamed(pb))
{
if (avi->riff_id == 1) {
end_tag(pb, avi->movi_list);
res = avi_write_idx1(s);
@ -722,6 +736,7 @@ static int avi_write_trailer(AVFormatContext *s)
put_le32(pb, nb_frames);
url_fseek(pb, file_size, SEEK_SET);
}
}
put_flush_packet(pb);
for (i=0; i<MAX_STREAMS; i++) {