On 9/26/2016 2:13 PM, Jon Toohill wrote:
> This preserves changes to fields of AVCodecContext that get
> updated during encoding, such as trailing_padding (which
> may not be known until encoding is complete).
> ---
> ffmpeg.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/ffmpeg.c b/ffmpeg.c
> index df55a49..1e973f5 100644
> --- a/ffmpeg.c
> +++ b/ffmpeg.c
> @@ -4243,6 +4243,21 @@ static int transcode(void)
>
> term_exit();
>
> + /* update output codec contexts after encoding */
> + for (i = 0; i < nb_output_streams; i++) {
> + ost = output_streams[i];
> + if (ost->encoding_needed) {
> + ret = avcodec_copy_context(
> +
> output_files[ost->file_index]->ctx->streams[ost->index]->codec,
> + ost->enc_ctx);
We ported ffmpeg to codecpar, so AVStream.codec shouldn't be used anymore.
While i can't say if adding this chunk here is a good idea or even correct
to begin with, you should in any case use avcodec_parameters_from_context()
to copy parameters to the output stream's codecpar context.
> + if (ret < 0) {
> + av_log(ost, AV_LOG_ERROR, "Error copying final codec
> context: %s\n", av_err2str(ret));
> + if (exit_on_error)
> + exit_program(1);
> + }
> + }
> + }
> +
> /* write the trailer if needed and close file */
> for (i = 0; i < nb_output_files; i++) {
> os = output_files[i]->ctx;
>
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