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avcodec/wmalosslessdec: do not discard last frame

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Jakub Stachowski 2016-04-10 21:33:56 +02:00 committed by Paul B Mahol
parent 571aa7d25e
commit 60b75186b2
1 changed files with 9 additions and 2 deletions
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11
libavcodec/wmalosslessdec.c
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@ -1043,6 +1043,9 @@ static int decode_frame(WmallDecodeCtx *s)
if (get_bits1(gb)) {
skip = get_bits(gb, av_log2(s->samples_per_frame * 2));
ff_dlog(s->avctx, "end skip: %i\n", skip);
s->frame->nb_samples -= skip;
if (s->frame->nb_samples <= 0)
return AVERROR_INVALIDDATA;
}
}
@ -1163,7 +1166,11 @@ static int decode_packet(AVCodecContext *avctx, void *data, int *got_frame_ptr,
s->frame->nb_samples = 0;
if (s->packet_done || s->packet_loss) {
if (!buf_size && s->num_saved_bits > get_bits_count(&s->gb)) {
s->packet_done = 0;
if (!decode_frame(s))
s->num_saved_bits = 0;
} else if (s->packet_done || s->packet_loss) {
s->packet_done = 0;
if (!buf_size)
@ -1264,7 +1271,7 @@ static int decode_packet(AVCodecContext *avctx, void *data, int *got_frame_ptr,
s->packet_offset = get_bits_count(gb) & 7;
return (s->packet_loss) ? AVERROR_INVALIDDATA : get_bits_count(gb) >> 3;
return (s->packet_loss) ? AVERROR_INVALIDDATA : buf_size ? get_bits_count(gb) >> 3 : 0;
}
static void flush(AVCodecContext *avctx)