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authorTimo Rothenpieler <timo@rothenpieler.org>2022-11-02 19:02:56 +0100
committerTimo Rothenpieler <timo@rothenpieler.org>2022-11-05 18:35:33 +0100
commit28680e2f41b93b75863720e42397441dfcc29f94 (patch)
treecf8d5b19d53e1f8240ae5bca3f41ce68cea4890a /libavcodec
parente8850bc2a8590ac66346de7a6d4831d1778746d1 (diff)
downloadffmpeg-28680e2f41b93b75863720e42397441dfcc29f94.tar.gz
avcodec/nvenc: only set b_ref_mode when explicitly requested
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/nvenc.c6
-rw-r--r--libavcodec/nvenc_h264.c4
-rw-r--r--libavcodec/nvenc_hevc.c4
3 files changed, 8 insertions, 6 deletions
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index 3c6fce391d..73c05fcd37 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -1199,7 +1199,8 @@ static av_cold int nvenc_setup_h264_config(AVCodecContext *avctx)
h264->entropyCodingMode = ctx->coder;
#ifdef NVENC_HAVE_BFRAME_REF_MODE
- h264->useBFramesAsRef = ctx->b_ref_mode;
+ if (ctx->b_ref_mode >= 0)
+ h264->useBFramesAsRef = ctx->b_ref_mode;
#endif
#ifdef NVENC_HAVE_MULTIPLE_REF_FRAMES
@@ -1314,7 +1315,8 @@ static av_cold int nvenc_setup_hevc_config(AVCodecContext *avctx)
hevc->tier = ctx->tier;
#ifdef NVENC_HAVE_HEVC_BFRAME_REF_MODE
- hevc->useBFramesAsRef = ctx->b_ref_mode;
+ if (ctx->b_ref_mode >= 0)
+ hevc->useBFramesAsRef = ctx->b_ref_mode;
#endif
#ifdef NVENC_HAVE_MULTIPLE_REF_FRAMES
diff --git a/libavcodec/nvenc_h264.c b/libavcodec/nvenc_h264.c
index a178827291..a69358b03b 100644
--- a/libavcodec/nvenc_h264.c
+++ b/libavcodec/nvenc_h264.c
@@ -161,12 +161,12 @@ static const AVOption options[] = {
{ "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" },
#ifdef NVENC_HAVE_BFRAME_REF_MODE
- { "b_ref_mode", "Use B frames as references", OFFSET(b_ref_mode), AV_OPT_TYPE_INT, { .i64 = NV_ENC_BFRAME_REF_MODE_DISABLED }, NV_ENC_BFRAME_REF_MODE_DISABLED, NV_ENC_BFRAME_REF_MODE_MIDDLE, VE, "b_ref_mode" },
+ { "b_ref_mode", "Use B frames as references", OFFSET(b_ref_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, NV_ENC_BFRAME_REF_MODE_MIDDLE, VE, "b_ref_mode" },
{ "disabled", "B frames will not be used for reference", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_BFRAME_REF_MODE_DISABLED }, 0, 0, VE, "b_ref_mode" },
{ "each", "Each B frame will be used for reference", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_BFRAME_REF_MODE_EACH }, 0, 0, VE, "b_ref_mode" },
{ "middle", "Only (number of B frames)/2 will be used for reference", 0,AV_OPT_TYPE_CONST, { .i64 = NV_ENC_BFRAME_REF_MODE_MIDDLE }, 0, 0, VE, "b_ref_mode" },
#else
- { "b_ref_mode", "(not supported)", OFFSET(b_ref_mode), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE, "b_ref_mode" },
+ { "b_ref_mode", "(not supported)", OFFSET(b_ref_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_ref_mode" },
{ "disabled", "", 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, VE, "b_ref_mode" },
{ "each", "", 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, VE, "b_ref_mode" },
{ "middle", "", 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, 0, 0, VE, "b_ref_mode" },
diff --git a/libavcodec/nvenc_hevc.c b/libavcodec/nvenc_hevc.c
index ae4d73e497..5ad423444a 100644
--- a/libavcodec/nvenc_hevc.c
+++ b/libavcodec/nvenc_hevc.c
@@ -141,12 +141,12 @@ static const AVOption options[] = {
{ "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
- { "b_ref_mode", "Use B frames as references", OFFSET(b_ref_mode), AV_OPT_TYPE_INT, { .i64 = NV_ENC_BFRAME_REF_MODE_DISABLED }, NV_ENC_BFRAME_REF_MODE_DISABLED, NV_ENC_BFRAME_REF_MODE_MIDDLE, VE, "b_ref_mode" },
+ { "b_ref_mode", "Use B frames as references", OFFSET(b_ref_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, NV_ENC_BFRAME_REF_MODE_MIDDLE, VE, "b_ref_mode" },
{ "disabled", "B frames will not be used for reference", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_BFRAME_REF_MODE_DISABLED }, 0, 0, VE, "b_ref_mode" },
{ "each", "Each B frame will be used for reference", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_BFRAME_REF_MODE_EACH }, 0, 0, VE, "b_ref_mode" },
{ "middle", "Only (number of B frames)/2 will be used for reference", 0,AV_OPT_TYPE_CONST, { .i64 = NV_ENC_BFRAME_REF_MODE_MIDDLE }, 0, 0, VE, "b_ref_mode" },
#else
- { "b_ref_mode", "(not supported)", OFFSET(b_ref_mode), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE, "b_ref_mode" },
+ { "b_ref_mode", "(not supported)", OFFSET(b_ref_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_ref_mode" },
{ "disabled", "", 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, VE, "b_ref_mode" },
{ "each", "", 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, VE, "b_ref_mode" },
{ "middle", "", 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, 0, 0, VE, "b_ref_mode" },