[FFmpeg-cvslog] libavcodec/qsvenc: Change the parameter log to be thread safe

Wenbin Chen git at videolan.org
Wed Jul 20 07:43:59 EEST 2022


ffmpeg | branch: master | Wenbin Chen <wenbin.chen-at-intel.com at ffmpeg.org> | Fri Jul  8 15:14:51 2022 +0800| [8b82c9cdc74fd227726b81a7c1768b11536c4471] | committer: Haihao Xiang

libavcodec/qsvenc: Change the parameter log to be thread safe

Dividing one line log into several av_log() call is not thread safe. Now
merge these strings into one av_log() call.

Signed-off-by: Wenbin Chen <wenbin.chen at intel.com>
Signed-off-by: Haihao Xiang <haihao.xiang at intel.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8b82c9cdc74fd227726b81a7c1768b11536c4471
---

 libavcodec/qsvenc.c | 87 ++++++++++++++++++++++++++---------------------------
 1 file changed, 42 insertions(+), 45 deletions(-)

diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index 2382c2f5f7..5729292f94 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -182,6 +182,7 @@ static void dump_video_param(AVCodecContext *avctx, QSVEncContext *q,
     mfxExtCodingOption2 *co2 = NULL;
     mfxExtCodingOption3 *co3 = NULL;
     mfxExtHEVCTiles *exthevctiles = NULL;
+    const char *tmp_str = NULL;
 
     if (q->co2_idx > 0)
         co2 = (mfxExtCodingOption2*)coding_opts[q->co2_idx];
@@ -195,13 +196,12 @@ static void dump_video_param(AVCodecContext *avctx, QSVEncContext *q,
     av_log(avctx, AV_LOG_VERBOSE, "profile: %s; level: %"PRIu16"\n",
            print_profile(avctx->codec_id, info->CodecProfile), info->CodecLevel);
 
-    av_log(avctx, AV_LOG_VERBOSE, "GopPicSize: %"PRIu16"; GopRefDist: %"PRIu16"; GopOptFlag: ",
-           info->GopPicSize, info->GopRefDist);
-    if (info->GopOptFlag & MFX_GOP_CLOSED)
-        av_log(avctx, AV_LOG_VERBOSE, "closed ");
-    if (info->GopOptFlag & MFX_GOP_STRICT)
-        av_log(avctx, AV_LOG_VERBOSE, "strict ");
-    av_log(avctx, AV_LOG_VERBOSE, "; IdrInterval: %"PRIu16"\n", info->IdrInterval);
+    av_log(avctx, AV_LOG_VERBOSE,
+           "GopPicSize: %"PRIu16"; GopRefDist: %"PRIu16"; GopOptFlag:%s%s; IdrInterval: %"PRIu16"\n",
+           info->GopPicSize, info->GopRefDist,
+           info->GopOptFlag & MFX_GOP_CLOSED ? " closed" : "",
+           info->GopOptFlag & MFX_GOP_STRICT ? " strict" : "",
+           info->IdrInterval);
 
     av_log(avctx, AV_LOG_VERBOSE, "TargetUsage: %"PRIu16"; RateControlMethod: %s\n",
            info->TargetUsage, print_ratecontrol(info->RateControlMethod));
@@ -269,45 +269,46 @@ static void dump_video_param(AVCodecContext *avctx, QSVEncContext *q,
         av_log(avctx, AV_LOG_VERBOSE, "IntRefType: %"PRIu16"; IntRefCycleSize: %"PRIu16"; IntRefQPDelta: %"PRId16"\n",
                co2->IntRefType, co2->IntRefCycleSize, co2->IntRefQPDelta);
 
-        av_log(avctx, AV_LOG_VERBOSE, "MaxFrameSize: %d; ", co2->MaxFrameSize);
-        av_log(avctx, AV_LOG_VERBOSE, "MaxSliceSize: %d; ", co2->MaxSliceSize);
-        av_log(avctx, AV_LOG_VERBOSE, "\n");
+        av_log(avctx, AV_LOG_VERBOSE, "MaxFrameSize: %d; MaxSliceSize: %d\n",
+               co2->MaxFrameSize, co2->MaxSliceSize);
 
         av_log(avctx, AV_LOG_VERBOSE,
                "BitrateLimit: %s; MBBRC: %s; ExtBRC: %s\n",
                print_threestate(co2->BitrateLimit), print_threestate(co2->MBBRC),
                print_threestate(co2->ExtBRC));
 
-        av_log(avctx, AV_LOG_VERBOSE, "Trellis: ");
         if (co2->Trellis & MFX_TRELLIS_OFF) {
-            av_log(avctx, AV_LOG_VERBOSE, "off");
+            av_log(avctx, AV_LOG_VERBOSE, "Trellis: off\n");
         } else if (!co2->Trellis) {
-            av_log(avctx, AV_LOG_VERBOSE, "auto");
+            av_log(avctx, AV_LOG_VERBOSE, "Trellis: auto\n");
         } else {
-            if (co2->Trellis & MFX_TRELLIS_I) av_log(avctx, AV_LOG_VERBOSE, "I");
-            if (co2->Trellis & MFX_TRELLIS_P) av_log(avctx, AV_LOG_VERBOSE, "P");
-            if (co2->Trellis & MFX_TRELLIS_B) av_log(avctx, AV_LOG_VERBOSE, "B");
+            char trellis_type[4];
+            int i = 0;
+            if (co2->Trellis & MFX_TRELLIS_I) trellis_type[i++] = 'I';
+            if (co2->Trellis & MFX_TRELLIS_P) trellis_type[i++] = 'P';
+            if (co2->Trellis & MFX_TRELLIS_B) trellis_type[i++] = 'B';
+            trellis_type[i] = 0;
+            av_log(avctx, AV_LOG_VERBOSE, "Trellis: %s\n", trellis_type);
         }
-        av_log(avctx, AV_LOG_VERBOSE, "\n");
 
-        av_log(avctx, AV_LOG_VERBOSE,
-               "RepeatPPS: %s; NumMbPerSlice: %"PRIu16"; LookAheadDS: ",
-               print_threestate(co2->RepeatPPS), co2->NumMbPerSlice);
         switch (co2->LookAheadDS) {
-        case MFX_LOOKAHEAD_DS_OFF: av_log(avctx, AV_LOG_VERBOSE, "off");     break;
-        case MFX_LOOKAHEAD_DS_2x:  av_log(avctx, AV_LOG_VERBOSE, "2x");      break;
-        case MFX_LOOKAHEAD_DS_4x:  av_log(avctx, AV_LOG_VERBOSE, "4x");      break;
-        default:                   av_log(avctx, AV_LOG_VERBOSE, "unknown"); break;
+        case MFX_LOOKAHEAD_DS_OFF: tmp_str = "off";     break;
+        case MFX_LOOKAHEAD_DS_2x:  tmp_str = "2x";      break;
+        case MFX_LOOKAHEAD_DS_4x:  tmp_str = "4x";      break;
+        default:                   tmp_str = "unknown"; break;
         }
-        av_log(avctx, AV_LOG_VERBOSE, "\n");
+        av_log(avctx, AV_LOG_VERBOSE,
+               "RepeatPPS: %s; NumMbPerSlice: %"PRIu16"; LookAheadDS: %s\n",
+               print_threestate(co2->RepeatPPS), co2->NumMbPerSlice, tmp_str);
 
-        av_log(avctx, AV_LOG_VERBOSE, "AdaptiveI: %s; AdaptiveB: %s; BRefType: ",
-               print_threestate(co2->AdaptiveI), print_threestate(co2->AdaptiveB));
         switch (co2->BRefType) {
-        case MFX_B_REF_OFF:     av_log(avctx, AV_LOG_VERBOSE, "off");       break;
-        case MFX_B_REF_PYRAMID: av_log(avctx, AV_LOG_VERBOSE, "pyramid");   break;
-        default:                av_log(avctx, AV_LOG_VERBOSE, "auto");      break;
+        case MFX_B_REF_OFF:     tmp_str = "off";       break;
+        case MFX_B_REF_PYRAMID: tmp_str = "pyramid";   break;
+        default:                tmp_str = "auto";      break;
         }
+        av_log(avctx, AV_LOG_VERBOSE,
+               "AdaptiveI: %s; AdaptiveB: %s; BRefType:%s\n",
+               print_threestate(co2->AdaptiveI), print_threestate(co2->AdaptiveB), tmp_str);
 
         av_log(avctx, AV_LOG_VERBOSE,
                "MinQPI: %"PRIu8"; MaxQPI: %"PRIu8"; MinQPP: %"PRIu8"; MaxQPP: %"PRIu8"; MinQPB: %"PRIu8"; MaxQPB: %"PRIu8"\n",
@@ -319,14 +320,12 @@ static void dump_video_param(AVCodecContext *avctx, QSVEncContext *q,
         if (info->RateControlMethod == MFX_RATECONTROL_QVBR)
             av_log(avctx, AV_LOG_VERBOSE, "QVBRQuality: %"PRIu16"\n", co3->QVBRQuality);
 
-        av_log(avctx, AV_LOG_VERBOSE, "PRefType: ");
         switch (co3->PRefType) {
-        case MFX_P_REF_DEFAULT: av_log(avctx, AV_LOG_VERBOSE, "default");   break;
-        case MFX_P_REF_SIMPLE:  av_log(avctx, AV_LOG_VERBOSE, "simple");    break;
-        case MFX_P_REF_PYRAMID: av_log(avctx, AV_LOG_VERBOSE, "pyramid");   break;
-        default:                av_log(avctx, AV_LOG_VERBOSE, "unknown");   break;
+        case MFX_P_REF_DEFAULT: av_log(avctx, AV_LOG_VERBOSE, "PRefType: default\n");   break;
+        case MFX_P_REF_SIMPLE:  av_log(avctx, AV_LOG_VERBOSE, "PRefType: simple\n");    break;
+        case MFX_P_REF_PYRAMID: av_log(avctx, AV_LOG_VERBOSE, "PRefType: pyramid\n");   break;
+        default:                av_log(avctx, AV_LOG_VERBOSE, "PRefType: unknown\n");   break;
         }
-        av_log(avctx, AV_LOG_VERBOSE, "\n");
 
         if (avctx->codec_id == AV_CODEC_ID_HEVC)
             av_log(avctx, AV_LOG_VERBOSE,"GPB: %s\n", print_threestate(co3->GPB));
@@ -360,13 +359,12 @@ static void dump_video_vp9_param(AVCodecContext *avctx, QSVEncContext *q,
     av_log(avctx, AV_LOG_VERBOSE, "profile: %s \n",
            print_profile(avctx->codec_id, info->CodecProfile));
 
-    av_log(avctx, AV_LOG_VERBOSE, "GopPicSize: %"PRIu16"; GopRefDist: %"PRIu16"; GopOptFlag: ",
-           info->GopPicSize, info->GopRefDist);
-    if (info->GopOptFlag & MFX_GOP_CLOSED)
-        av_log(avctx, AV_LOG_VERBOSE, "closed ");
-    if (info->GopOptFlag & MFX_GOP_STRICT)
-        av_log(avctx, AV_LOG_VERBOSE, "strict ");
-    av_log(avctx, AV_LOG_VERBOSE, "; IdrInterval: %"PRIu16"\n", info->IdrInterval);
+    av_log(avctx, AV_LOG_VERBOSE,
+           "GopPicSize: %"PRIu16"; GopRefDist: %"PRIu16"; GopOptFlag:%s%s; IdrInterval: %"PRIu16"\n",
+           info->GopPicSize, info->GopRefDist,
+           info->GopOptFlag & MFX_GOP_CLOSED ? " closed" : "",
+           info->GopOptFlag & MFX_GOP_STRICT ? " strict" : "",
+           info->IdrInterval);
 
     av_log(avctx, AV_LOG_VERBOSE, "TargetUsage: %"PRIu16"; RateControlMethod: %s\n",
            info->TargetUsage, print_ratecontrol(info->RateControlMethod));
@@ -396,8 +394,7 @@ static void dump_video_vp9_param(AVCodecContext *avctx, QSVEncContext *q,
                "IntRefType: %"PRIu16"; IntRefCycleSize: %"PRIu16"; IntRefQPDelta: %"PRId16"\n",
                co2->IntRefType, co2->IntRefCycleSize, co2->IntRefQPDelta);
 
-        av_log(avctx, AV_LOG_VERBOSE, "MaxFrameSize: %d; ", co2->MaxFrameSize);
-        av_log(avctx, AV_LOG_VERBOSE, "\n");
+        av_log(avctx, AV_LOG_VERBOSE, "MaxFrameSize: %d\n", co2->MaxFrameSize);
 
         av_log(avctx, AV_LOG_VERBOSE,
                "BitrateLimit: %s; MBBRC: %s; ExtBRC: %s\n",



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