[FFmpeg-devel] [PATCH v3 2/2] doc/examples/transcode_aac: Set decoder packet timebase

Andreas Unterweger dustsigns at gmail.com
Wed Apr 27 16:40:31 EEST 2022


Am 27.04.2022 um 15:35 schrieb Andreas Unterweger:
> Previously, the default timebase caused two warnings during decoding 
> about not being able to update timestamps for skipped and discarded 
> samples, respectively.
> 
> Signed-off-by: Andreas Unterweger <dustsigns at gmail.com>
> ---
>   doc/examples/transcode_aac.c | 6 +++++-
>   1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/doc/examples/transcode_aac.c b/doc/examples/transcode_aac.c
> index c9b93f6439..6197369756 100644
> --- a/doc/examples/transcode_aac.c
> +++ b/doc/examples/transcode_aac.c
> @@ -1,5 +1,5 @@
>   /*
> - * Copyright (c) 2013-2018 Andreas Unterweger
> + * Copyright (c) 2013-2022 Andreas Unterweger
>    *
>    * This file is part of FFmpeg.
>    *
> @@ -120,6 +120,10 @@ static int open_input_file(const char *filename,
>           avformat_close_input(input_format_context);
>           return error;
>       }
> +    +    /* Set the packet timebase for the decoder. The input file's 
> sample
> +     * rate is used as the denominator for simplicity. */
> +    avctx->pkt_timebase = (AVRational) { 1, avctx->sample_rate };
>        /* Save the decoder context for easier access later. */
>       *input_codec_context = avctx;

I rebased the patch another one time onto the current master. Please apply.

Best,
Andreas


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