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Code Issues Releases Activity

enable mjpeg in swf

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Originally committed as revision 7458 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2007-01-14 01:57:43 +00:00
parent 655254f001
commit a0dc1ccd29
1 changed files with 28 additions and 0 deletions
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28
libavformat/swf.c
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@ -833,6 +833,16 @@ static int swf_read_header(AVFormatContext *s, AVFormatParameters *ap)
if (len > 4)
url_fskip(pb,len-4);
} else if (tag == TAG_JPEG2 && !vst) {
vst = av_new_stream(s, -2); /* -2 to avoid clash with video stream and audio stream */
av_set_pts_info(vst, 24, 1, 1000); /* 24 bit pts in ms */
vst->codec->codec_type = CODEC_TYPE_VIDEO;
vst->codec->codec_id = CODEC_ID_MJPEG;
if (swf->samples_per_frame) {
vst->codec->time_base.den = 1000. / swf->ms_per_frame;
vst->codec->time_base.num = 1;
}
url_fskip(pb, len);
} else {
url_fskip(pb, len);
}
@ -874,6 +884,24 @@ static int swf_read_packet(AVFormatContext *s, AVPacket *pkt)
pkt->stream_index = st->index;
return pkt->size;
}
} else if (tag == TAG_JPEG2) {
for (i=0; i<s->nb_streams; i++) {
st = s->streams[i];
if (st->id == -2) {
get_le16(pb); /* BITMAP_ID */
av_new_packet(pkt, len-2);
get_buffer(pb, pkt->data, 4);
if (BE_32(pkt->data) == 0xffd8ffd9) {
/* old SWF files containing SOI/EOI as data start */
pkt->size -= 4;
get_buffer(pb, pkt->data, pkt->size);
} else {
get_buffer(pb, pkt->data + 4, pkt->size - 4);
}
pkt->stream_index = st->index;
return pkt->size;
}
}
}
url_fskip(pb, len);
}