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avcodec/nvenc: add weighted prediction support 

Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
This commit is contained in:
Sumit Agarwal 2017-05-09 19:54:54 +05:30 committed by Timo Rothenpieler
parent 18a659d1b6
commit 01775730fd
5 changed files with 15 additions and 1 deletions
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9
libavcodec/nvenc.c
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@ -298,6 +298,12 @@ static int nvenc_check_capabilities(AVCodecContext *avctx)
return AVERROR(ENOSYS);
}
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_WEIGHTED_PREDICTION);
if (ctx->weighted_pred > 0 && ret <= 0) {
av_log (avctx, AV_LOG_VERBOSE, "Weighted Prediction not supported\n");
return AVERROR(ENOSYS);
}
return 0;
}
@ -1032,6 +1038,9 @@ static av_cold int nvenc_setup_encoder(AVCodecContext *avctx)
ctx->init_encode_params.enableEncodeAsync = 0;
ctx->init_encode_params.enablePTD = 1;
if (ctx->weighted_pred == 1)
ctx->init_encode_params.enableWeightedPrediction = 1;
if (ctx->bluray_compat) {
ctx->aud = 1;
avctx->refs = FFMIN(FFMAX(avctx->refs, 0), 6);

1
libavcodec/nvenc.h
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@ -161,6 +161,7 @@ typedef struct NvencContext
int init_qp_b;
int init_qp_i;
int cqp;
int weighted_pred;
} NvencContext;
int ff_nvenc_encode_init(AVCodecContext *avctx);

2
libavcodec/nvenc_h264.c
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@ -117,6 +117,8 @@ 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 },
{ "weighted_pred","Set 1 to enable weighted prediction",
OFFSET(weighted_pred),AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
{ NULL }
};

2
libavcodec/nvenc_hevc.c
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@ -114,6 +114,8 @@ 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 },
{ "weighted_pred","Set 1 to enable weighted prediction",
OFFSET(weighted_pred),AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
{ NULL }
};

2
libavcodec/version.h
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@ -29,7 +29,7 @@
#define LIBAVCODEC_VERSION_MAJOR 57
#define LIBAVCODEC_VERSION_MINOR 95
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_MICRO 101
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \