Re: [FFmpeg-devel] [PATCH] avcodec/libvvenc: use av_vlog to print external library log messages

[Nuo Mi]

LGTM,
Nit: Would a lookup table be better?

On Fri, Apr 18, 2025 at 12:42 AM James Almer <jamr...@gmail.com> wrote:

> And improve the vvencMsgLevel <-> AV_LOG_* mapping.
>
> Signed-off-by: James Almer <jamr...@gmail.com>
> ---
>  libavcodec/libvvenc.c | 35 +++++++++++++++++++++++++++--------
>  1 file changed, 27 insertions(+), 8 deletions(-)
>
> diff --git a/libavcodec/libvvenc.c b/libavcodec/libvvenc.c
> index 29a49ba091..c71fd78f1e 100644
> --- a/libavcodec/libvvenc.c
> +++ b/libavcodec/libvvenc.c
> @@ -63,14 +63,29 @@ typedef struct VVenCContext {
>  static void vvenc_log_callback(void *ctx, int level,
>                                 const char *fmt, va_list args)
>  {
> -    vvenc_config params;
> -    vvencEncoder *encoder = ctx;
> -    if (encoder) {
> -        vvenc_config_default(&params);
> -        vvenc_get_config(encoder, &params);
> -        if ((int)params.m_verbosity >= level)
> -            vfprintf(level == 1 ? stderr : stdout, fmt, args);
> +    AVCodecContext *avctx = ctx;
> +
> +    switch (level) {
> +    case VVENC_ERROR:
> +        level = AV_LOG_ERROR;
> +        break;
> +    case VVENC_WARNING:
> +        level = AV_LOG_WARNING;
> +        break;
> +    case VVENC_INFO:
> +        level = AV_LOG_INFO;
> +        break;
> +    case VVENC_NOTICE:
> +    case VVENC_VERBOSE:
> +        level = AV_LOG_VERBOSE;
> +        break;
> +    case VVENC_DETAILS:
> +        level = AV_LOG_DEBUG;
> +        break;
> +    default:
> +        return;
>      }
> +    av_vlog(avctx, level, fmt, args);
>  }
>
>  static void vvenc_set_verbository(vvenc_config *params)
> @@ -82,7 +97,11 @@ static void vvenc_set_verbository(vvenc_config *params)
>      else if (loglevel >= AV_LOG_VERBOSE)
>          params->m_verbosity = VVENC_NOTICE;
>      else if (loglevel >= AV_LOG_INFO)
> +        params->m_verbosity = VVENC_INFO;
> +    else if (loglevel >= AV_LOG_WARNING)
>          params->m_verbosity = VVENC_WARNING;
> +    else if (loglevel >= AV_LOG_ERROR)
> +        params->m_verbosity = VVENC_ERROR;
>  }
>
>  static void vvenc_set_pic_format(AVCodecContext *avctx, vvenc_config
> *params)
> @@ -300,7 +319,7 @@ static av_cold int vvenc_init(AVCodecContext *avctx)
>          return AVERROR(ENOMEM);
>      }
>
> -    vvenc_set_msg_callback(&params, s->encoder, vvenc_log_callback);
> +    vvenc_set_msg_callback(&params, avctx, vvenc_log_callback);
>      ret = vvenc_encoder_open(s->encoder, &params);
>      if (ret != 0) {
>          av_log(avctx, AV_LOG_ERROR, "cannot open libvvenc encoder: %s\n",
> --
> 2.49.0
>
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