diff options
Diffstat (limited to 'libavcodec/qsvenc.c')
| -rw-r--r-- | libavcodec/qsvenc.c | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c index e3b5a72dd4..ba9bcf16d7 100644 --- a/libavcodec/qsvenc.c +++ b/libavcodec/qsvenc.c @@ -158,8 +158,8 @@ static void dump_video_param(AVCodecContext *avctx, QSVEncContext *q, #endif ) { av_log(avctx, AV_LOG_VERBOSE, - "BufferSizeInKB: %"PRIu16"; InitialDelayInKB: %"PRIu16"; TargetKbps: %"PRIu16"; MaxKbps: %"PRIu16"\n", - info->BufferSizeInKB, info->InitialDelayInKB, info->TargetKbps, info->MaxKbps); + "BufferSizeInKB: %"PRIu16"; InitialDelayInKB: %"PRIu16"; TargetKbps: %"PRIu16"; MaxKbps: %"PRIu16"; BRCParamMultiplier: %"PRIu16"\n", + info->BufferSizeInKB, info->InitialDelayInKB, info->TargetKbps, info->MaxKbps, info->BRCParamMultiplier); } else if (info->RateControlMethod == MFX_RATECONTROL_CQP) { av_log(avctx, AV_LOG_VERBOSE, "QPI: %"PRIu16"; QPP: %"PRIu16"; QPB: %"PRIu16"\n", info->QPI, info->QPP, info->QPB); @@ -167,8 +167,8 @@ static void dump_video_param(AVCodecContext *avctx, QSVEncContext *q, #if QSV_HAVE_AVBR else if (info->RateControlMethod == MFX_RATECONTROL_AVBR) { av_log(avctx, AV_LOG_VERBOSE, - "TargetKbps: %"PRIu16"; Accuracy: %"PRIu16"; Convergence: %"PRIu16"\n", - info->TargetKbps, info->Accuracy, info->Convergence); + "TargetKbps: %"PRIu16"; Accuracy: %"PRIu16"; Convergence: %"PRIu16"; BRCParamMultiplier: %"PRIu16"\n", + info->TargetKbps, info->Accuracy, info->Convergence, info->BRCParamMultiplier); } #endif #if QSV_HAVE_LA @@ -178,8 +178,8 @@ static void dump_video_param(AVCodecContext *avctx, QSVEncContext *q, #endif ) { av_log(avctx, AV_LOG_VERBOSE, - "TargetKbps: %"PRIu16"; LookAheadDepth: %"PRIu16"\n", - info->TargetKbps, co2->LookAheadDepth); + "TargetKbps: %"PRIu16"; LookAheadDepth: %"PRIu16"; BRCParamMultiplier: %"PRIu16"\n", + info->TargetKbps, co2->LookAheadDepth, info->BRCParamMultiplier); } #endif #if QSV_HAVE_ICQ @@ -451,6 +451,8 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q) avctx->sw_pix_fmt : avctx->pix_fmt; const AVPixFmtDescriptor *desc; float quant; + int target_bitrate_kbps, max_bitrate_kbps, brc_param_multiplier; + int buffer_size_in_kilobytes, initial_delay_in_kilobytes; int ret; mfxVersion ver; @@ -552,16 +554,25 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q) if (ret < 0) return ret; + //libmfx BRC parameters are 16 bits thus maybe overflow, then BRCParamMultiplier is needed + buffer_size_in_kilobytes = avctx->rc_buffer_size / 8000; + initial_delay_in_kilobytes = avctx->rc_initial_buffer_occupancy / 1000; + target_bitrate_kbps = avctx->bit_rate / 1000; + max_bitrate_kbps = avctx->rc_max_rate / 1000; + brc_param_multiplier = (FFMAX(FFMAX3(target_bitrate_kbps, max_bitrate_kbps, buffer_size_in_kilobytes), + initial_delay_in_kilobytes) + 0x10000) / 0x10000; + switch (q->param.mfx.RateControlMethod) { case MFX_RATECONTROL_CBR: case MFX_RATECONTROL_VBR: #if QSV_HAVE_VCM case MFX_RATECONTROL_VCM: #endif - q->param.mfx.BufferSizeInKB = avctx->rc_buffer_size / 8000; - q->param.mfx.InitialDelayInKB = avctx->rc_initial_buffer_occupancy / 1000; - q->param.mfx.TargetKbps = avctx->bit_rate / 1000; - q->param.mfx.MaxKbps = avctx->rc_max_rate / 1000; + q->param.mfx.BufferSizeInKB = buffer_size_in_kilobytes / brc_param_multiplier; + q->param.mfx.InitialDelayInKB = initial_delay_in_kilobytes / brc_param_multiplier; + q->param.mfx.TargetKbps = target_bitrate_kbps / brc_param_multiplier; + q->param.mfx.MaxKbps = max_bitrate_kbps / brc_param_multiplier; + q->param.mfx.BRCParamMultiplier = brc_param_multiplier; break; case MFX_RATECONTROL_CQP: quant = avctx->global_quality / FF_QP2LAMBDA; @@ -573,15 +584,17 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q) break; #if QSV_HAVE_AVBR case MFX_RATECONTROL_AVBR: - q->param.mfx.TargetKbps = avctx->bit_rate / 1000; + q->param.mfx.TargetKbps = target_bitrate_kbps / brc_param_multiplier; q->param.mfx.Convergence = q->avbr_convergence; q->param.mfx.Accuracy = q->avbr_accuracy; + q->param.mfx.BRCParamMultiplier = brc_param_multiplier; break; #endif #if QSV_HAVE_LA case MFX_RATECONTROL_LA: - q->param.mfx.TargetKbps = avctx->bit_rate / 1000; + q->param.mfx.TargetKbps = target_bitrate_kbps / brc_param_multiplier; q->extco2.LookAheadDepth = q->look_ahead_depth; + q->param.mfx.BRCParamMultiplier = brc_param_multiplier; break; #if QSV_HAVE_ICQ case MFX_RATECONTROL_LA_ICQ: @@ -726,7 +739,7 @@ static int qsv_retrieve_enc_jpeg_params(AVCodecContext *avctx, QSVEncContext *q) return ff_qsv_print_error(avctx, ret, "Error calling GetVideoParam"); - q->packet_size = q->param.mfx.BufferSizeInKB * 1000; + q->packet_size = q->param.mfx.BufferSizeInKB * q->param.mfx.BRCParamMultiplier * 1000; // for qsv mjpeg the return value maybe 0 so alloc the buffer if (q->packet_size == 0) @@ -779,7 +792,7 @@ static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q) return ff_qsv_print_error(avctx, ret, "Error calling GetVideoParam"); - q->packet_size = q->param.mfx.BufferSizeInKB * 1000; + q->packet_size = q->param.mfx.BufferSizeInKB * q->param.mfx.BRCParamMultiplier * 1000; if (!extradata.SPSBufSize || (need_pps && !extradata.PPSBufSize)) { av_log(avctx, AV_LOG_ERROR, "No extradata returned from libmfx.\n"); |