[FFmpeg-devel] [PATCH avcodec/amfenc:, 10, bit, support, v3, 3/3] avcodec/amfenc: add 10 bit encoding in av1_amf

Evgeny Pavlov lucenticus at gmail.com
Wed Jul 26 14:39:29 EEST 2023


Signed-off-by: Evgeny Pavlov <lucenticus at gmail.com>
Co-authored-by: Dmitrii Ovchinnikov <ovchinnikov.dmitrii at gmail.com>
---
 libavcodec/amfenc_av1.c | 47 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/libavcodec/amfenc_av1.c b/libavcodec/amfenc_av1.c
index 30c0a9fad2..5c5313001d 100644
--- a/libavcodec/amfenc_av1.c
+++ b/libavcodec/amfenc_av1.c
@@ -165,6 +165,9 @@ 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;
 
 
 
@@ -203,6 +206,50 @@ FF_ENABLE_DEPRECATION_WARNINGS
     }
     AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_PROFILE, profile);
 
+    // Color Metadata
+    /// Color Space & 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;
+    }
+    color_profile = AMF_VIDEO_CONVERTER_COLOR_PROFILE_UNKNOWN;
+
+    if (avctx->color_range == AVCOL_RANGE_JPEG) {
+        switch (avctx->colorspace) {
+        case AVCOL_SPC_SMPTE170M:
+            color_profile = AMF_VIDEO_CONVERTER_COLOR_PROFILE_FULL_601;
+            break;
+        case AVCOL_SPC_BT709:
+            color_profile = AMF_VIDEO_CONVERTER_COLOR_PROFILE_FULL_709;
+            break;
+        case AVCOL_SPC_BT2020_NCL:
+        case AVCOL_SPC_BT2020_CL:
+            color_profile = AMF_VIDEO_CONVERTER_COLOR_PROFILE_FULL_2020;
+            break;
+        }
+    } else {
+        switch (avctx->colorspace) {
+        case AVCOL_SPC_SMPTE170M:
+            color_profile = AMF_VIDEO_CONVERTER_COLOR_PROFILE_601;
+            break;
+        case AVCOL_SPC_BT709:
+            color_profile = AMF_VIDEO_CONVERTER_COLOR_PROFILE_709;
+            break;
+        case AVCOL_SPC_BT2020_NCL:
+        case AVCOL_SPC_BT2020_CL:
+            color_profile = AMF_VIDEO_CONVERTER_COLOR_PROFILE_2020;
+            break;
+        }
+    }
+    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);
+    /// Color Transfer Characteristics (AMF matches ISO/IEC)
+    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_OUTPUT_TRANSFER_CHARACTERISTIC, (amf_int64)avctx->color_trc);
+    /// Color Primaries (AMF matches ISO/IEC)
+    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_OUTPUT_COLOR_PRIMARIES, (amf_int64)avctx->color_primaries);
+
     profile_level = avctx->level;
     if (profile_level == FF_LEVEL_UNKNOWN) {
         profile_level = ctx->level;
-- 
2.41.0



More information about the ffmpeg-devel mailing list