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avcodec/mpegaudiodec: Reset dither and mdct state

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This makes the mp3 decoder produce the same result when repeatly flushing and decoding

Suggested-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-06-05 21:23:31 +02:00
parent ccff45a0d3
commit bd650ee318
1 changed files with 2 additions and 0 deletions
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2
libavcodec/mpegaudiodec_template.c
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@ -1705,7 +1705,9 @@ static int decode_frame(AVCodecContext * avctx, void *data, int *got_frame_ptr,
static void mp_flush(MPADecodeContext *ctx) static void mp_flush(MPADecodeContext *ctx)
{ {
memset(ctx->synth_buf, 0, sizeof(ctx->synth_buf)); memset(ctx->synth_buf, 0, sizeof(ctx->synth_buf));
memset(ctx->mdct_buf, 0, sizeof(ctx->mdct_buf));
ctx->last_buf_size = 0; ctx->last_buf_size = 0;
ctx->dither_state = 0;
} }
static void flush(AVCodecContext *avctx) static void flush(AVCodecContext *avctx)