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

Xiang, Haihao haihao.xiang at intel.com
Tue Jul 19 09:46:08 EEST 2022


On Fri, 2022-07-08 at 15:14 +0800, Wenbin Chen wrote:
> 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>
> ---
>  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",

LGTM, will apply

Thanks
Haihao



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