[FFmpeg-devel] [PATCH] avcodec: add properties for lossless to AVCodecParameters

wm4 nfxjfg at googlemail.com
Sun May 8 16:10:01 CEST 2016


On Sun,  8 May 2016 12:10:07 +0200
Michael Niedermayer <michael at niedermayer.cc> wrote:

> Fixes Ticket5467
> 
> Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> ---
>  libavcodec/avcodec.h |    4 ++++
>  libavcodec/utils.c   |    2 ++
>  2 files changed, 6 insertions(+)
> 
> diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
> index 3813a0a..1db2e0f 100644
> --- a/libavcodec/avcodec.h
> +++ b/libavcodec/avcodec.h
> @@ -4050,6 +4050,10 @@ typedef struct AVCodecParameters {
>       * Audio only. Number of samples to skip after a discontinuity.
>       */
>      int seek_preroll;
> +
> +    /** Properties, like FF_CODEC_PROPERTY_LOSSLESS.
> +     */
> +    int properties;
>  } AVCodecParameters;
>  
>  /**
> diff --git a/libavcodec/utils.c b/libavcodec/utils.c
> index e6609ef..8638bc2 100644
> --- a/libavcodec/utils.c
> +++ b/libavcodec/utils.c
> @@ -4076,6 +4076,7 @@ int avcodec_parameters_from_context(AVCodecParameters *par,
>      par->bits_per_raw_sample   = codec->bits_per_raw_sample;
>      par->profile               = codec->profile;
>      par->level                 = codec->level;
> +    par->properties            = codec->properties;
>  
>      switch (par->codec_type) {
>      case AVMEDIA_TYPE_VIDEO:
> @@ -4130,6 +4131,7 @@ int avcodec_parameters_to_context(AVCodecContext *codec,
>      codec->bits_per_raw_sample   = par->bits_per_raw_sample;
>      codec->profile               = par->profile;
>      codec->level                 = par->level;
> +    codec->properties            = par->properties;
>  
>      switch (par->codec_type) {
>      case AVMEDIA_TYPE_VIDEO:

Can you explain what exactly this is needed for?


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