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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Apr 2024 14:40:17.9026 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 20ad8fad-5f99-48bf-29e7-08dc5d59f85b X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: MWH0EPF000971E4.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB7934 Subject: [FFmpeg-devel] [PATCH] avcodec/nvenc: High bit depth encoding for HEVC X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Diego Felix de Souza via ffmpeg-devel From: Diego Felix de Souza via ffmpeg-devel Reply-To: FFmpeg development discussions and patches Cc: ddesouza@nvidia.com Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: 6mg+874yDlsi From: Diego Felix de Souza Adding 10-bit encoding support for HEVC if the input is 8-bit. In case of 8-bit input content, NVENC performs an internal CUDA 8 to 10-bit conversion of the input prior to encoding. Currently, only AV1 supports encoding 8-bit content as 10-bit. Signed-off-by: Diego Felix de Souza --- libavcodec/nvenc.c | 8 ++++---- libavcodec/nvenc_hevc.c | 1 + 2 files changed, 5 insertions(+), 4 deletions(-) -- 2.34.1 ----------------------------------------------------------------------------------- NVIDIA GmbH Wuerselen Amtsgericht Aachen HRB 8361 Managing Directors: Rebecca Peters, Donald Robertson, Janet Hall, Ludwig von Reiche ----------------------------------------------------------------------------------- This email message is for the sole use of the intended recipient(s) and may contain confidential information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply email and destroy all copies of the original message. ----------------------------------------------------------------------------------- diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c index 794174a53f..c302cc7dc4 100644 --- a/libavcodec/nvenc.c +++ b/libavcodec/nvenc.c @@ -514,7 +514,7 @@ static int nvenc_check_capabilities(AVCodecContext *avctx) } ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_10BIT_ENCODE); - if (IS_10BIT(ctx->data_pix_fmt) && ret <= 0) { + if ((IS_10BIT(ctx->data_pix_fmt) || ctx->highbitdepth) && ret <= 0) { av_log(avctx, AV_LOG_WARNING, "10 bit encode not supported\n"); return AVERROR(ENOSYS); } @@ -1421,7 +1421,7 @@ static av_cold int nvenc_setup_hevc_config(AVCodecContext *avctx) } // force setting profile as main10 if input is 10 bit - if (IS_10BIT(ctx->data_pix_fmt)) { + if (IS_10BIT(ctx->data_pix_fmt) || ctx->highbitdepth) { cc->profileGUID = NV_ENC_HEVC_PROFILE_MAIN10_GUID; avctx->profile = AV_PROFILE_HEVC_MAIN_10; } @@ -1435,8 +1435,8 @@ static av_cold int nvenc_setup_hevc_config(AVCodecContext *avctx) hevc->chromaFormatIDC = IS_YUV444(ctx->data_pix_fmt) ? 3 : 1; #ifdef NVENC_HAVE_NEW_BIT_DEPTH_API - hevc->inputBitDepth = hevc->outputBitDepth = - IS_10BIT(ctx->data_pix_fmt) ? NV_ENC_BIT_DEPTH_10 : NV_ENC_BIT_DEPTH_8; + hevc->inputBitDepth = IS_10BIT(ctx->data_pix_fmt) ? NV_ENC_BIT_DEPTH_10 : NV_ENC_BIT_DEPTH_8; + hevc->outputBitDepth = (IS_10BIT(ctx->data_pix_fmt) || ctx->highbitdepth) ? NV_ENC_BIT_DEPTH_10 : NV_ENC_BIT_DEPTH_8; #else hevc->pixelBitDepthMinus8 = IS_10BIT(ctx->data_pix_fmt) ? 2 : 0; #endif diff --git a/libavcodec/nvenc_hevc.c b/libavcodec/nvenc_hevc.c index b949cb1bd7..02e9c9c8eb 100644 --- a/libavcodec/nvenc_hevc.c +++ b/libavcodec/nvenc_hevc.c @@ -183,6 +183,7 @@ static const AVOption options[] = { { "fullres", "Two Pass encoding is enabled where first Pass is full resolution", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TWO_PASS_FULL_RESOLUTION }, 0, 0, VE, .unit = "multipass" }, #endif + { "highbitdepth", "Enable 10 bit encode for 8 bit input",OFFSET(highbitdepth),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, #ifdef NVENC_HAVE_LDKFS { "ldkfs", "Low delay key frame scale; Specifies the Scene Change frame size increase allowed in case of single frame VBV and CBR", OFFSET(ldkfs), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UCHAR_MAX, VE },