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authorRicardo Monteiro <rmonteiro@nvidia.com>2021-08-03 17:02:26 +0200
committerTimo Rothenpieler <timo@rothenpieler.org>2021-08-08 01:56:32 +0200
commite56f6e59b6cbb2ebfa49bee8a21e6f4f09e7ade0 (patch)
tree2474f8b930cb6294a5e4c71c615adc30a7a8901c
parent5ad436fcb91a538343e2798ce29630ad4aa71b3c (diff)
avcodec/nvenc: add chroma qp offset support
Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
-rw-r--r--libavcodec/nvenc.c9
-rw-r--r--libavcodec/nvenc.h7
-rw-r--r--libavcodec/nvenc_h264.c4
-rw-r--r--libavcodec/nvenc_hevc.c4
-rw-r--r--libavcodec/version.h2
5 files changed, 25 insertions, 1 deletions
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index b52b6bda6d..32bcd4b318 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -743,6 +743,15 @@ static av_cold void set_constqp(AVCodecContext *avctx)
rc->constQP.qpIntra = av_clip(ctx->cqp * fabs(avctx->i_quant_factor) + avctx->i_quant_offset + 0.5, 0, 51);
}
+#ifdef NVENC_HAVE_QP_CHROMA_OFFSETS
+ rc->cbQPIndexOffset = ctx->qp_cb_offset;
+ rc->crQPIndexOffset = ctx->qp_cr_offset;
+#else
+ if (ctx->qp_cb_offset || ctx->qp_cr_offset) {
+ av_log(avctx, AV_LOG_WARNING, "Failed setting QP CB/CR offsets, SDK 11.1 or greater required at compile time.\n");
+ }
+#endif
+
avctx->qmin = -1;
avctx->qmax = -1;
}
diff --git a/libavcodec/nvenc.h b/libavcodec/nvenc.h
index 85d3a33601..7c284fbbd8 100644
--- a/libavcodec/nvenc.h
+++ b/libavcodec/nvenc.h
@@ -70,6 +70,11 @@ typedef void ID3D11Device;
#define NVENC_HAVE_H264_LVL6
#endif
+// SDK 11.1 compile time feature checks
+#if NVENCAPI_CHECK_VERSION(11, 1)
+#define NVENC_HAVE_QP_CHROMA_OFFSETS
+#endif
+
typedef struct NvencSurface
{
NV_ENC_INPUT_PTR input_surface;
@@ -213,6 +218,8 @@ typedef struct NvencContext
int init_qp_b;
int init_qp_i;
int cqp;
+ int qp_cb_offset;
+ int qp_cr_offset;
int weighted_pred;
int coder;
int b_ref_mode;
diff --git a/libavcodec/nvenc_h264.c b/libavcodec/nvenc_h264.c
index c7af7fa682..fffdedcf6e 100644
--- a/libavcodec/nvenc_h264.c
+++ b/libavcodec/nvenc_h264.c
@@ -147,6 +147,10 @@ static const AVOption options[] = {
{ "init_qpI", "Initial QP value for I frame", OFFSET(init_qp_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
{ "qp", "Constant quantization parameter rate control method",
OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
+ { "qp_cb_offset", "Quantization parameter offset for cb channel",
+ OFFSET(qp_cb_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, -12, 12, VE },
+ { "qp_cr_offset", "Quantization parameter offset for cr channel",
+ OFFSET(qp_cr_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, -12, 12, VE },
{ "weighted_pred","Set 1 to enable weighted prediction",
OFFSET(weighted_pred),AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
{ "coder", "Coder type", OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 },-1, 2, VE, "coder" },
diff --git a/libavcodec/nvenc_hevc.c b/libavcodec/nvenc_hevc.c
index c85a317518..4edc1797a0 100644
--- a/libavcodec/nvenc_hevc.c
+++ b/libavcodec/nvenc_hevc.c
@@ -134,6 +134,10 @@ static const AVOption options[] = {
{ "init_qpI", "Initial QP value for I frame", OFFSET(init_qp_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
{ "qp", "Constant quantization parameter rate control method",
OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
+ { "qp_cb_offset", "Quantization parameter offset for cb channel",
+ OFFSET(qp_cb_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, -12, 12, VE },
+ { "qp_cr_offset", "Quantization parameter offset for cr channel",
+ OFFSET(qp_cr_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, -12, 12, VE },
{ "weighted_pred","Set 1 to enable weighted prediction",
OFFSET(weighted_pred),AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
#ifdef NVENC_HAVE_HEVC_BFRAME_REF_MODE
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 554f293aad..c2482428ca 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,7 +29,7 @@
#define LIBAVCODEC_VERSION_MAJOR 59
#define LIBAVCODEC_VERSION_MINOR 4
-#define LIBAVCODEC_VERSION_MICRO 100
+#define LIBAVCODEC_VERSION_MICRO 101
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \