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

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

[James Almer]

And improve the vvencMsgLevel <-> AV_LOG_* mapping.

Signed-off-by: James Almer <jamrial@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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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 <jamrial@gmail.com> wrote:

> And improve the vvencMsgLevel <-> AV_LOG_* mapping.
>
> Signed-off-by: James Almer <jamrial@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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> ffmpeg-devel@ffmpeg.org
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>
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> ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
>
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