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avcodec/d3d12va_encode: Add H264 deblock filter parameter support

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add parameter `deblock` for users to explicitly enable/disable deblocking filter in d3d12 H264 encoding

usage:
-deblock enable or -deblock 1
-deblock disable or -deblock 0
-deblock auto or -deblock -1

sample command line:
```
.\ffmpeg.exe -hwaccel d3d12va -hwaccel_output_format d3d12 -i input.mp4 -c:v h264_d3d12va -deblock enable -y output.mp4
```
This commit is contained in:
Ling, Edison
2025-12-22 17:56:18 -05:00
committed by Tong Wu
parent be82aef7cc
commit c3d3377fe1
1 changed files with 24 additions and 0 deletions
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libavcodec/d3d12va_encode_h264.c
+24
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@@ -44,6 +44,7 @@ typedef struct D3D12VAEncodeH264Context {
int qp;
int profile;
int level;
int deblock;
int idr_pic_id;
// Writer structures.
@@ -286,6 +287,23 @@ static int d3d12va_encode_h264_get_encoder_caps(AVCodecContext *avctx)
priv->unit_opts.cabac = 1;
}
// Deblocking filter configuration
if (priv->deblock == 1) {
if (h264_caps.DisableDeblockingFilterSupportedModes & D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_H264_SLICES_DEBLOCKING_MODE_FLAG_0_ALL_LUMA_CHROMA_SLICE_BLOCK_EDGES_ALWAYS_FILTERED) {
config->DisableDeblockingFilterConfig = D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_H264_SLICES_DEBLOCKING_MODE_0_ALL_LUMA_CHROMA_SLICE_BLOCK_EDGES_ALWAYS_FILTERED;
} else {
av_log(avctx, AV_LOG_ERROR, "Requested deblocking filter enable mode not supported by driver.\n");
return AVERROR(ENOTSUP);
}
} else if (priv->deblock == 0) {
if (h264_caps.DisableDeblockingFilterSupportedModes & D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_H264_SLICES_DEBLOCKING_MODE_FLAG_1_DISABLE_ALL_SLICE_BLOCK_EDGES) {
config->DisableDeblockingFilterConfig = D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_H264_SLICES_DEBLOCKING_MODE_1_DISABLE_ALL_SLICE_BLOCK_EDGES;
} else {
av_log(avctx, AV_LOG_ERROR, "Requested deblocking filter disable mode not supported by driver.\n");
return AVERROR(ENOTSUP);
}
}
base_ctx->surface_width = FFALIGN(avctx->width, 16);
base_ctx->surface_height = FFALIGN(avctx->height, 16);
@@ -610,6 +628,12 @@ static const AVOption d3d12va_encode_h264_options[] = {
{ LEVEL("6.2", 62) },
#undef LEVEL
{ "deblock", "Deblocking filter mode",
OFFSET(deblock), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, FLAGS, "deblock" },
{ "auto", "Default (enabled)", 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, 0, 0, FLAGS, "deblock" },
{ "disable", "Disable deblocking filter", 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, FLAGS, "deblock" },
{ "enable", "Enable deblocking filter", 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, FLAGS, "deblock" },
{ NULL },
};