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wmall: output packet only if we have decoded some samples

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Also set CODEC_CAP_DELAY to indicate that decoder may still have some
undecoded data left in internal buffer.
This commit is contained in:
Kostya Shishkov 2012-03-21 19:10:43 +01:00
parent 6aba117f12
commit 87818103a0
1 changed files with 2 additions and 2 deletions
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4
libavcodec/wmalosslessdec.c
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@ -1229,7 +1229,7 @@ static int decode_packet(AVCodecContext *avctx, void *data, int *got_frame_ptr,
} }
*(AVFrame *)data = s->frame; *(AVFrame *)data = s->frame;
*got_frame_ptr = 1; *got_frame_ptr = s->frame.nb_samples > 0;
s->packet_offset = get_bits_count(gb) & 7; 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 : get_bits_count(gb) >> 3;
@ -1243,6 +1243,6 @@ AVCodec ff_wmalossless_decoder = {
.priv_data_size = sizeof(WmallDecodeCtx), .priv_data_size = sizeof(WmallDecodeCtx),
.init = decode_init, .init = decode_init,
.decode = decode_packet, .decode = decode_packet,
.capabilities = CODEC_CAP_SUBFRAMES | CODEC_CAP_DR1, .capabilities = CODEC_CAP_SUBFRAMES | CODEC_CAP_DR1 | CODEC_CAP_DELAY,
.long_name = NULL_IF_CONFIG_SMALL("Windows Media Audio Lossless"), .long_name = NULL_IF_CONFIG_SMALL("Windows Media Audio Lossless"),
}; };