On Sun, May 01, 2016 at 05:11:08PM +0200, Carl Eugen Hoyos wrote: > Hi! > > Attached patch stops setting bits_per_raw_sample if it makes no sense as for > example in the wmall24 -> pcm_s16 case: > Stream #0:0: Audio: pcm_s16le, 96000 Hz, stereo, s16 (24 bit), 3072 kb/s > > Mostly tested with audio. > > Please comment, Carl Eugen
> ffmpeg.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
> 1a672d3fd9fe8e65d2ad9a4271fe5260a888e28a patchrawsample.diff
> diff --git a/ffmpeg.c b/ffmpeg.c
> index adc3ff7..86bc518 100644
> --- a/ffmpeg.c
> +++ b/ffmpeg.c
> @@ -2859,7 +2859,6 @@ static int transcode_init(void)
> dec_ctx = ist->dec_ctx;
>
> ost->st->disposition = ist->st->disposition;
> - enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
> enc_ctx->chroma_sample_location =
> dec_ctx->chroma_sample_location;
> } else {
> for (j=0; j<oc->nb_streams; j++) {
> @@ -3100,6 +3099,9 @@ static int transcode_init(void)
> switch (enc_ctx->codec_type) {
> case AVMEDIA_TYPE_AUDIO:
> enc_ctx->sample_fmt =
> ost->filter->filter->inputs[0]->format;
> + if (dec_ctx)
> + enc_ctx->bits_per_raw_sample =
> FFMIN(dec_ctx->bits_per_raw_sample,
> +
> av_get_bytes_per_sample(enc_ctx->sample_fmt) << 3);
> enc_ctx->sample_rate =
> ost->filter->filter->inputs[0]->sample_rate;
> enc_ctx->channel_layout =
> ost->filter->filter->inputs[0]->channel_layout;
> enc_ctx->channels =
> avfilter_link_get_channels(ost->filter->filter->inputs[0]);
> @@ -3140,6 +3142,9 @@ static int transcode_init(void)
> "Use -pix_fmt yuv420p for compatibility with
> outdated media players.\n",
>
> av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
> enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
> + if (dec_ctx)
> + enc_ctx->bits_per_raw_sample =
> FFMIN(dec_ctx->bits_per_raw_sample,
> +
> av_pix_fmt_desc_get(enc_ctx->pix_fmt)->comp[0].depth);
these 2 are missing the stream copy case above
[...]
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