player: print used number of threads in verbose mode

Also, don't use av_log() for mpv output.

4 files changed, 8 insertions, 6 deletions

diff --git a/audio/decode/ad_lavc.c b/audio/decode/ad_lavc.c
index 8825172123..fd09eca0b7 100644
--- a/audio/decode/ad_lavc.c
+++ b/audio/decode/ad_lavc.c
@@ -136,7 +136,7 @@ static int init(struct dec_audio *da, const char *decoder)
     if (sh->lav_headers)
         mp_copy_lav_codec_headers(lavc_context, sh->lav_headers);
 
-    mp_set_avcodec_threads(lavc_context, opts->threads);
+    mp_set_avcodec_threads(da->log, lavc_context, opts->threads);
 
     /* open it */
     if (avcodec_open2(lavc_context, lavc_codec, NULL) < 0) {
diff --git a/common/av_common.c b/common/av_common.c
index cced1c0694..eb357d9f05 100644
--- a/common/av_common.c
+++ b/common/av_common.c
@@ -126,19 +126,21 @@ void mp_set_av_packet(AVPacket *dst, struct demux_packet *mpkt, AVRational *tb)
     dst->dts = mp_pts_to_av(mpkt ? mpkt->dts : MP_NOPTS_VALUE, tb);
 }
 
-void mp_set_avcodec_threads(AVCodecContext *avctx, int threads)
+void mp_set_avcodec_threads(struct mp_log *l, AVCodecContext *avctx, int threads)
 {
     if (threads == 0) {
         threads = default_thread_count();
         if (threads < 1) {
-            av_log(avctx, AV_LOG_WARNING, "Could not determine "
-                   "thread count to use, defaulting to 1.\n");
+            mp_warn(l, "Could not determine thread count to use, defaulting to 1.\n");
             threads = 1;
+        } else {
+            mp_verbose(l, "Detected %d logical cores.\n", threads);
         }
         // Apparently some libavcodec versions have or had trouble with more
         // than 16 threads, and/or print a warning when using > 16.
         threads = MPMIN(threads, 16);
     }
+    mp_verbose(l, "Requesting %d threads for decoding.\n", threads);
     avctx->thread_count = threads;
 }
 
diff --git a/common/av_common.h b/common/av_common.h
index 3168d5310d..0b0260982f 100644
--- a/common/av_common.h
+++ b/common/av_common.h
@@ -34,7 +34,7 @@ void mp_copy_lav_codec_headers(AVCodecContext *avctx, AVCodecContext *st);
 void mp_set_av_packet(AVPacket *dst, struct demux_packet *mpkt, AVRational *tb);
 int64_t mp_pts_to_av(double mp_pts, AVRational *tb);
 double mp_pts_from_av(int64_t av_pts, AVRational *tb);
-void mp_set_avcodec_threads(AVCodecContext *avctx, int threads);
+void mp_set_avcodec_threads(struct mp_log *l, AVCodecContext *avctx, int threads);
 void mp_add_lavc_decoders(struct mp_decoder_list *list, enum AVMediaType type);
 int mp_codec_to_av_codec_id(const char *codec);
 const char *mp_codec_from_av_codec_id(int codec_id);
diff --git a/video/decode/vd_lavc.c b/video/decode/vd_lavc.c
index 2716a848e7..ff2fa71131 100644
--- a/video/decode/vd_lavc.c
+++ b/video/decode/vd_lavc.c
@@ -372,7 +372,7 @@ static void init_avctx(struct dec_video *vd, const char *decoder,
         if (ctx->hwdec->init(ctx) < 0)
             goto error;
     } else {
-        mp_set_avcodec_threads(avctx, lavc_param->threads);
+        mp_set_avcodec_threads(vd->log, avctx, lavc_param->threads);
     }
 
     avctx->flags |= lavc_param->bitexact ? CODEC_FLAG_BITEXACT : 0;