[FFmpeg-devel] [PATCH 3/4] avcodec/amfenc: add 10 bit encoding in av1_amf

[Araz Iusubov]

v2: refactored after review

Signed-off-by: Evgeny Pavlov <lucenti...@gmail.com>
Co-authored-by: Dmitrii Ovchinnikov <ovchinnikov.dmit...@gmail.com>
---
 libavcodec/amfenc.c     |  2 ++
 libavcodec/amfenc_av1.c | 27 +++++++++++++++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/libavcodec/amfenc.c b/libavcodec/amfenc.c
index 068bb53002..f1b76bd6aa 100644
--- a/libavcodec/amfenc.c
+++ b/libavcodec/amfenc.c
@@ -826,6 +826,8 @@ int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket 
*avpkt)
                     AMF_ASSIGN_PROPERTY_INTERFACE(res, ctx->encoder, 
AMF_VIDEO_ENCODER_INPUT_HDR_METADATA, hdrmeta_buffer); break;
                 case AV_CODEC_ID_HEVC:
                     AMF_ASSIGN_PROPERTY_INTERFACE(res, ctx->encoder, 
AMF_VIDEO_ENCODER_HEVC_INPUT_HDR_METADATA, hdrmeta_buffer); break;
+                case AV_CODEC_ID_AV1:
+                    AMF_ASSIGN_PROPERTY_INTERFACE(res, ctx->encoder, 
AMF_VIDEO_ENCODER_AV1_INPUT_HDR_METADATA, hdrmeta_buffer); break;
                 }
                 hdrmeta_buffer->pVtbl->Release(hdrmeta_buffer);
             }
diff --git a/libavcodec/amfenc_av1.c b/libavcodec/amfenc_av1.c
index d40c71cb33..a8629d74b0 100644
--- a/libavcodec/amfenc_av1.c
+++ b/libavcodec/amfenc_av1.c
@@ -166,6 +166,9 @@ static av_cold int amf_encode_init_av1(AVCodecContext* 
avctx)
     AMFGuid             guid;
     AMFRate             framerate;
     AMFSize             framesize = AMFConstructSize(avctx->width, 
avctx->height);
+    amf_int64           color_depth;
+    amf_int64           color_profile;
+    enum                AVPixelFormat pix_fmt;
 
 
 
@@ -211,6 +214,30 @@ FF_ENABLE_DEPRECATION_WARNINGS
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, 
AMF_VIDEO_ENCODER_AV1_PROFILE, profile);
     }
 
+    /// Color profile
+    color_profile = ff_amf_get_color_profile(avctx);
+    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, 
AMF_VIDEO_ENCODER_AV1_OUTPUT_COLOR_PROFILE, color_profile);
+
+    /// Color Depth
+    pix_fmt = avctx->hw_frames_ctx ? 
((AVHWFramesContext*)avctx->hw_frames_ctx->data)->sw_format
+                                : avctx->pix_fmt;
+    color_depth = AMF_COLOR_BIT_DEPTH_8;
+    if (pix_fmt == AV_PIX_FMT_P010) {
+        color_depth = AMF_COLOR_BIT_DEPTH_10;
+    }
+
+    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, 
AMF_VIDEO_ENCODER_AV1_COLOR_BIT_DEPTH, color_depth);
+    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, 
AMF_VIDEO_ENCODER_AV1_OUTPUT_COLOR_PROFILE, color_profile);
+    if (color_depth == AMF_COLOR_BIT_DEPTH_8) {
+        /// Color Transfer Characteristics (AMF matches ISO/IEC)
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, 
AMF_VIDEO_ENCODER_AV1_OUTPUT_TRANSFER_CHARACTERISTIC, 
AMF_COLOR_TRANSFER_CHARACTERISTIC_BT709);
+        /// Color Primaries (AMF matches ISO/IEC)
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, 
AMF_VIDEO_ENCODER_AV1_OUTPUT_COLOR_PRIMARIES, AMF_COLOR_PRIMARIES_BT709);
+    } else {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, 
AMF_VIDEO_ENCODER_AV1_OUTPUT_TRANSFER_CHARACTERISTIC, 
AMF_COLOR_TRANSFER_CHARACTERISTIC_SMPTE2084);
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, 
AMF_VIDEO_ENCODER_AV1_OUTPUT_COLOR_PRIMARIES, AMF_COLOR_PRIMARIES_BT2020);
+    }
+
     profile_level = avctx->level;
     if (profile_level == AV_LEVEL_UNKNOWN) {
         profile_level = ctx->level;
-- 
2.45.2.windows.1

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