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authorTimo Rothenpieler <timo@rothenpieler.org>2017-08-30 21:06:25 +0200
committerTimo Rothenpieler <timo@rothenpieler.org>2017-09-01 10:52:15 +0200
commita0b69e2b0a7ba994b722393a0273bb3464fd5efe (patch)
tree5a410ab426320e955110d497ee828f6befeccefc /libavcodec
parent78a7af823b7c2a1e3184e6680f2b49bf67101e5c (diff)
avcodec/nvenc: add support for specifying entropy coding mode
Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/nvenc.c9
-rw-r--r--libavcodec/nvenc.h1
-rw-r--r--libavcodec/nvenc_h264.c7
-rw-r--r--libavcodec/version.h2
4 files changed, 18 insertions, 1 deletions
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index f79b9a502e..422ac6c73e 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -317,6 +317,12 @@ static int nvenc_check_capabilities(AVCodecContext *avctx)
return AVERROR(ENOSYS);
}
+ ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_CABAC);
+ if (ctx->coder == NV_ENC_H264_ENTROPY_CODING_MODE_CABAC && ret <= 0) {
+ av_log(avctx, AV_LOG_VERBOSE, "CABAC entropy coding not supported\n");
+ return AVERROR(ENOSYS);
+ }
+
return 0;
}
@@ -916,6 +922,9 @@ static av_cold int nvenc_setup_h264_config(AVCodecContext *avctx)
h264->level = ctx->level;
+ if (ctx->coder >= 0)
+ h264->entropyCodingMode = ctx->coder;
+
return 0;
}
diff --git a/libavcodec/nvenc.h b/libavcodec/nvenc.h
index 2e24604cea..2c682275da 100644
--- a/libavcodec/nvenc.h
+++ b/libavcodec/nvenc.h
@@ -162,6 +162,7 @@ typedef struct NvencContext
int init_qp_i;
int cqp;
int weighted_pred;
+ int coder;
} NvencContext;
int ff_nvenc_encode_init(AVCodecContext *avctx);
diff --git a/libavcodec/nvenc_h264.c b/libavcodec/nvenc_h264.c
index 5fcbcb9f4f..9adbe9f909 100644
--- a/libavcodec/nvenc_h264.c
+++ b/libavcodec/nvenc_h264.c
@@ -119,6 +119,13 @@ static const AVOption options[] = {
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 },
+ { "coder", "Coder type", OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 },-1, 2, VE, "coder" },
+ { "default", "", 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, 0, 0, VE, "coder" },
+ { "auto", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_ENTROPY_CODING_MODE_AUTOSELECT }, 0, 0, VE, "coder" },
+ { "cabac", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_ENTROPY_CODING_MODE_CABAC }, 0, 0, VE, "coder" },
+ { "cavlc", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_ENTROPY_CODING_MODE_CAVLC }, 0, 0, VE, "coder" },
+ { "ac", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_ENTROPY_CODING_MODE_CABAC }, 0, 0, VE, "coder" },
+ { "vlc", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_ENTROPY_CODING_MODE_CAVLC }, 0, 0, VE, "coder" },
{ NULL }
};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 22cab7b0dd..29cdb85589 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,7 +29,7 @@
#define LIBAVCODEC_VERSION_MAJOR 57
#define LIBAVCODEC_VERSION_MINOR 104
-#define LIBAVCODEC_VERSION_MICRO 100
+#define LIBAVCODEC_VERSION_MICRO 101
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \