[FFmpeg-devel] [PATCH] dca_parser: don't overwrite the sample rate, it may not be correct
wm4
nfxjfg at googlemail.com
Wed Sep 30 13:16:13 CEST 2015
On Wed, 30 Sep 2015 13:09:01 +0200
Hendrik Leppkes <h.leppkes at gmail.com> wrote:
> The parser only reads the dca core sample rate, which is limited to a
> maximum of 48000 Hz, while X96 and HD extensions can increase the sample
> rate up to 192000 Hz.
>
> This change prevents the parser and decoder fighting over the sample rate,
> potentially confusing user applications. This also fixes sample rate
> display of >48000Hz files with ffmpeg/ffprobe when using libdcadec.
> ---
> libavcodec/dca_parser.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/libavcodec/dca_parser.c b/libavcodec/dca_parser.c
> index 337a99d..70e64a8 100644
> --- a/libavcodec/dca_parser.c
> +++ b/libavcodec/dca_parser.c
> @@ -166,7 +166,6 @@ static int dca_parse(AVCodecParserContext *s, AVCodecContext *avctx,
> /* read the duration and sample rate from the frame header */
> if (!dca_parse_params(buf, buf_size, &duration, &sample_rate, &pc1->framesize)) {
> s->duration = duration;
> - avctx->sample_rate = sample_rate;
> } else
> s->duration = 0;
>
So in which situations do decoder and parser share the AVCodecContext
at all? In libavformat?
More information about the ffmpeg-devel
mailing list