Am Mi., 1. Jan. 2020 um 06:34 Uhr schrieb Jun Zhao <mypopy...@gmail.com>:
>
> From: qoroliang <qoroli...@tencent.com>
>
> aac decoder only do the window overlapping data buffer flush but
> without sbr related buffer flush, that will cause dirty data in
> the first output frame after flush.
>
> Signed-off-by: qoroliang <qoroli...@tencent.com>
> ---
> libavcodec/aacdec_template.c | 6 ++++++
> 1 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/libavcodec/aacdec_template.c b/libavcodec/aacdec_template.c
> index bb11de3..8f8dc24 100644
> --- a/libavcodec/aacdec_template.c
> +++ b/libavcodec/aacdec_template.c
> @@ -507,7 +507,13 @@ static void flush(AVCodecContext *avctx)
> ChannelElement *che = ac->che[type][i];
> if (che) {
> for (j = 0; j <= 1; j++) {
> + // LTP buffer related data buffer
> + // or windowing overlapping
> memset(che->ch[j].saved, 0, sizeof(che->ch[j].saved));
> + memset(che->ch[j].coeffs, 0, sizeof(che->ch[j].coeffs));
> + // sbr context should be reseted and function pointers
> should be applied too
> + memset(&che->sbr, 0, sizeof(che->sbr));
> + AAC_RENAME(ff_aac_sbr_ctx_init)(ac, &che->sbr, type);
What happened with this patch?
Carl Eugen
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