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avcodec/dvbsubdec: add some basic av_log debuging support

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-06-04 18:09:18 +02:00
parent deadcf5e71
commit 8f4b176c55
1 changed files with 7 additions and 1 deletions
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8
libavcodec/dvbsubdec.c
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@ -1495,6 +1495,10 @@ static int dvbsub_decode(AVCodecContext *avctx,
segment_length = AV_RB16(p); segment_length = AV_RB16(p);
p += 2; p += 2;
if (avctx->debug & FF_DEBUG_STARTCODE) {
av_log(avctx, AV_LOG_DEBUG, "segment_type:%d page_id:%d segment_length:%d\n", segment_type, page_id, segment_length);
}
if (p_end - p < segment_length) { if (p_end - p < segment_length) {
av_dlog(avctx, "incomplete or broken packet"); av_dlog(avctx, "incomplete or broken packet");
return -1; return -1;
@ -1538,8 +1542,10 @@ static int dvbsub_decode(AVCodecContext *avctx,
} }
// Some streams do not send a display segment but if we have all the other // Some streams do not send a display segment but if we have all the other
// segments then we need no further data. // segments then we need no further data.
if (got_segment == 15 && sub) if (got_segment == 15 && sub) {
av_log(avctx, AV_LOG_DEBUG, "Missing display_end_segment, emulating\n");
*data_size = dvbsub_display_end_segment(avctx, p, 0, sub); *data_size = dvbsub_display_end_segment(avctx, p, 0, sub);
}
return p - buf; return p - buf;
} }