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avcodec/nvenc: support for HEVC timecode passthrough 

Reviewed-by:   Timo Rothenpieler <timo@rothenpieler.org>
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
This commit is contained in:
Limin Wang 2020-06-28 10:34:12 +08:00
parent 4ef766e73c
commit fdead2a31a
3 changed files with 19 additions and 0 deletions
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17
libavcodec/nvenc.c
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@ -22,6 +22,7 @@
#include "config.h"
#include "nvenc.h"
#include "hevc_sei.h"
#include "libavutil/hwcontext_cuda.h"
#include "libavutil/hwcontext.h"
@ -2153,6 +2154,22 @@ static int nvenc_send_frame(AVCodecContext *avctx, const AVFrame *frame)
}
}
if (ctx->tc && av_frame_get_side_data(frame, AV_FRAME_DATA_S12M_TIMECODE)) {
void *tc_data = NULL;
size_t tc_size = 0;
if (ff_alloc_timecode_sei(frame, 0, (void**)&tc_data, &tc_size) < 0) {
av_log(ctx, AV_LOG_ERROR, "Not enough memory for timecode sei, skipping\n");
}
if (tc_data) {
sei_data[sei_count].payloadSize = (uint32_t)tc_size;
sei_data[sei_count].payloadType = HEVC_SEI_TYPE_TIME_CODE;
sei_data[sei_count].payload = (uint8_t*)tc_data;
sei_count ++;
}
}
nvenc_codec_specific_pic_params(avctx, &pic_params, sei_data, sei_count);
} else {
pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;

1
libavcodec/nvenc.h
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@ -196,6 +196,7 @@ typedef struct NvencContext
int coder;
int b_ref_mode;
int a53_cc;
int tc;
int dpb_size;
} NvencContext;

1
libavcodec/nvenc_hevc.c
View File

@ -129,6 +129,7 @@ static const AVOption options[] = {
{ "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" },
#endif
{ "tc", "Use timecode (if available)", OFFSET(tc), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
{ "dpb_size", "Specifies the DPB size used for encoding (0 means automatic)",
OFFSET(dpb_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
{ NULL }