From: Limin Wang <lance.lmw...@gmail.com>
Note:
nvenc sdk will truncated user data unregistered SEI if the size > 503.
for example, hardcode its size to 504, trace_headers will report below error:
Invalid SEI message: payload_size too large (504 504 bytes).
Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
---
libavcodec/nvenc.c | 2 +-
libavcodec/nvenc.h | 1 +
libavcodec/nvenc_h264.c | 2 ++
libavcodec/nvenc_hevc.c | 2 ++
4 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index edc46ed..12ffcf0 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -2221,7 +2221,7 @@ static int prepare_sei_data_array(AVCodecContext *avctx,
const AVFrame *frame)
AVFrameSideData *side_data = frame->side_data[i];
void *tmp;
- if (side_data->type != AV_FRAME_DATA_SEI_UNREGISTERED)
+ if (!(ctx->udu_sei && side_data->type ==
AV_FRAME_DATA_SEI_UNREGISTERED))
continue;
tmp = av_fast_realloc(ctx->sei_data,
diff --git a/libavcodec/nvenc.h b/libavcodec/nvenc.h
index 08531e1..b42a156 100644
--- a/libavcodec/nvenc.h
+++ b/libavcodec/nvenc.h
@@ -235,6 +235,7 @@ typedef struct NvencContext
int intra_refresh;
int single_slice_intra_refresh;
int constrained_encoding;
+ int udu_sei;
} NvencContext;
int ff_nvenc_encode_init(AVCodecContext *avctx);
diff --git a/libavcodec/nvenc_h264.c b/libavcodec/nvenc_h264.c
index 7d78aa0..79b7aca 100644
--- a/libavcodec/nvenc_h264.c
+++ b/libavcodec/nvenc_h264.c
@@ -194,6 +194,8 @@ static const AVOption options[] = {
OFFSET(single_slice_intra_refresh), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ "constrained-encoding", "Enable constrainedFrame encoding where each
slice in the constrained picture is independent of other slices",
OFFSET(constrained_encoding), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
+ { "udu_sei", "Use user data unregistered SEI if available",
+ OFFSET(udu_sei),
AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ NULL }
};
diff --git a/libavcodec/nvenc_hevc.c b/libavcodec/nvenc_hevc.c
index a13ac5a..12b4e11 100644
--- a/libavcodec/nvenc_hevc.c
+++ b/libavcodec/nvenc_hevc.c
@@ -175,6 +175,8 @@ static const AVOption options[] = {
OFFSET(single_slice_intra_refresh), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ "constrained-encoding", "Enable constrainedFrame encoding where each
slice in the constrained picture is independent of other slices",
OFFSET(constrained_encoding), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
+ { "udu_sei", "Use user data unregistered SEI if available",
+ OFFSET(udu_sei),
AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ NULL }
};
--
1.8.3.1
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