[FFmpeg-devel] [PATCH] cmdutils: print supported codecs in show_help_bsf()

[Jun Zhao]

On 2018/3/22 9:11, James Almer wrote:
> Signed-off-by: James Almer <jamrial at gmail.com>
> ---
>  fftools/cmdutils.c | 2 ++
>  fftools/cmdutils.h | 3 +++
>  2 files changed, 5 insertions(+)
>
> diff --git a/fftools/cmdutils.c b/fftools/cmdutils.c
> index 708a849f51..c0ddf0b287 100644
> --- a/fftools/cmdutils.c
> +++ b/fftools/cmdutils.c
> @@ -1907,6 +1907,8 @@ static void show_help_bsf(const char *name)
>      }
>  
>      printf("Bit stream filter %s\n", bsf->name);
> +    PRINT_CODEC_SUPPORTED(bsf, codec_ids, enum AVCodecID, "codecs",
> +                          AV_CODEC_ID_NONE, GET_CODEC_NAME);
>      if (bsf->priv_class)
>          show_help_children(bsf->priv_class, AV_OPT_FLAG_BSF_PARAM);
>  }
> diff --git a/fftools/cmdutils.h b/fftools/cmdutils.h
> index 87244891d4..6e2e0a2acb 100644
> --- a/fftools/cmdutils.h
> +++ b/fftools/cmdutils.h
> @@ -625,6 +625,9 @@ void *grow_array(void *array, int elem_size, int *size, int new_size);
>  #define GET_PIX_FMT_NAME(pix_fmt)\
>      const char *name = av_get_pix_fmt_name(pix_fmt);
>  
> +#define GET_CODEC_NAME(id)\
> +    const char *name = avcodec_descriptor_get(id)->name;
> +
>  #define GET_SAMPLE_FMT_NAME(sample_fmt)\
>      const char *name = av_get_sample_fmt_name(sample_fmt)
>  
LGTM， tested and verified