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avcodec/binkaudio: Properly flush the decoder 

The packets delivered to this decoder are often decoded to more than
one frame and if the internal buffer packet is not unreferenced,
the decoder will still output frames derived from the old packet (from
before the flush).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-10-11 17:36:41 +02:00 committed by Paul B Mahol
parent f8790ad002
commit e84c83ef98
1 changed files with 10 additions and 0 deletions
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10
libavcodec/binkaudio.c
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@ -337,6 +337,14 @@ fail:
return ret;
}
static void decode_flush(AVCodecContext *avctx)
{
BinkAudioContext *const s = avctx->priv_data;
av_packet_unref(s->pkt);
s->first = 1;
}
const AVCodec ff_binkaudio_rdft_decoder = {
.name = "binkaudio_rdft",
.long_name = NULL_IF_CONFIG_SMALL("Bink Audio (RDFT)"),
@ -344,6 +352,7 @@ const AVCodec ff_binkaudio_rdft_decoder = {
.id = AV_CODEC_ID_BINKAUDIO_RDFT,
.priv_data_size = sizeof(BinkAudioContext),
.init = decode_init,
.flush = decode_flush,
.close = decode_end,
.receive_frame = binkaudio_receive_frame,
.capabilities = AV_CODEC_CAP_DR1,
@ -357,6 +366,7 @@ const AVCodec ff_binkaudio_dct_decoder = {
.id = AV_CODEC_ID_BINKAUDIO_DCT,
.priv_data_size = sizeof(BinkAudioContext),
.init = decode_init,
.flush = decode_flush,
.close = decode_end,
.receive_frame = binkaudio_receive_frame,
.capabilities = AV_CODEC_CAP_DR1,