[FFmpeg-devel] [PATCH 3/4, v2] avcodec/amfenc: add 10 bit encoding in av1_amf

[Araz Iusubov]

From: Evgeny Pavlov <lucenticus at gmail.com>

v2: refactored after review

Signed-off-by: Evgeny Pavlov <lucenticus at gmail.com>
Co-authored-by: Dmitrii Ovchinnikov <ovchinnikov.dmitrii at gmail.com>
Co-authored-by: Araz Iusubov <Primeadvice at gmail.com>
---
 libavcodec/amfenc.c     |  2 ++
 libavcodec/amfenc_av1.c | 28 +++++++++++++++++++++++++++-
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/libavcodec/amfenc.c b/libavcodec/amfenc.c
index 068bb53002..49dd91c4e0 100644
--- a/libavcodec/amfenc.c
+++ b/libavcodec/amfenc.c
@@ -746,6 +746,8 @@ 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;
                     }
                     res = amf_set_property_buffer(surface, L"av_frame_hdrmeta", hdrmeta_buffer);
                     AMF_RETURN_IF_FALSE(avctx, res == AMF_OK, AVERROR_UNKNOWN, "SetProperty failed for \"av_frame_hdrmeta\" with error %d\n", res);
diff --git a/libavcodec/amfenc_av1.c b/libavcodec/amfenc_av1.c
index 62b9af9da0..e960e5ec81 100644
--- a/libavcodec/amfenc_av1.c
+++ b/libavcodec/amfenc_av1.c
@@ -170,7 +170,9 @@ 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;
 
     //for av1 alignment and crop
     uint32_t            crop_right  = 0;
@@ -220,6 +222,30 @@ 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