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libavcodec/cuviddec: determine amount of decoded surfaces from within cuvid parser

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Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
This commit is contained in:
Roman Arzumanyan 2023-06-01 11:17:39 +03:00 committed by Timo Rothenpieler
parent 20584cdd89
commit 402d98c9d4
1 changed files with 32 additions and 2 deletions
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34
libavcodec/cuviddec.c
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@ -115,6 +115,12 @@ typedef struct CuvidParsedFrame
#define CHECK_CU(x) FF_CUDA_CHECK_DL(avctx, ctx->cudl, x)
// NV recommends [2;4] range
#define CUVID_MAX_DISPLAY_DELAY (4)
// Actual pool size will be determined by parser.
#define CUVID_DEFAULT_NUM_SURFACES (CUVID_MAX_DISPLAY_DELAY + 1)
static int CUDAAPI cuvid_handle_video_sequence(void *opaque, CUVIDEOFORMAT* format)
{
AVCodecContext *avctx = opaque;
@ -124,6 +130,7 @@ static int CUDAAPI cuvid_handle_video_sequence(void *opaque, CUVIDEOFORMAT* form
CUVIDDECODECREATEINFO cuinfo;
int surface_fmt;
int chroma_444;
int fifo_size_inc;
int old_width = avctx->width;
int old_height = avctx->height;
@ -309,6 +316,25 @@ static int CUDAAPI cuvid_handle_video_sequence(void *opaque, CUVIDEOFORMAT* form
return 0;
}
fifo_size_inc = ctx->nb_surfaces;
ctx->nb_surfaces = FFMAX(ctx->nb_surfaces, format->min_num_decode_surfaces + 3);
if (avctx->extra_hw_frames > 0)
ctx->nb_surfaces += avctx->extra_hw_frames;
fifo_size_inc = ctx->nb_surfaces - fifo_size_inc;
if (fifo_size_inc > 0 && av_fifo_grow2(ctx->frame_queue, fifo_size_inc) < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to grow frame queue on video sequence callback\n");
ctx->internal_error = AVERROR(ENOMEM);
return 0;
}
if (fifo_size_inc > 0 && av_reallocp_array(&ctx->key_frame, ctx->nb_surfaces, sizeof(int)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to grow key frame array on video sequence callback\n");
ctx->internal_error = AVERROR(ENOMEM);
return 0;
}
cuinfo.ulNumDecodeSurfaces = ctx->nb_surfaces;
cuinfo.ulNumOutputSurfaces = 1;
cuinfo.ulCreationFlags = cudaVideoCreate_PreferCUVID;
@ -846,6 +872,10 @@ static av_cold int cuvid_decode_init(AVCodecContext *avctx)
goto error;
}
// respect the deprecated "surfaces" option if non-default value is given by user;
if(ctx->nb_surfaces < 0)
ctx->nb_surfaces = CUVID_DEFAULT_NUM_SURFACES;
ctx->frame_queue = av_fifo_alloc2(ctx->nb_surfaces, sizeof(CuvidParsedFrame), 0);
if (!ctx->frame_queue) {
ret = AVERROR(ENOMEM);
@ -993,7 +1023,7 @@ static av_cold int cuvid_decode_init(AVCodecContext *avctx)
}
ctx->cuparseinfo.ulMaxNumDecodeSurfaces = ctx->nb_surfaces;
ctx->cuparseinfo.ulMaxDisplayDelay = (avctx->flags & AV_CODEC_FLAG_LOW_DELAY) ? 0 : 4;
ctx->cuparseinfo.ulMaxDisplayDelay = (avctx->flags & AV_CODEC_FLAG_LOW_DELAY) ? 0 : CUVID_MAX_DISPLAY_DELAY;
ctx->cuparseinfo.pUserData = avctx;
ctx->cuparseinfo.pfnSequenceCallback = cuvid_handle_video_sequence;
ctx->cuparseinfo.pfnDecodePicture = cuvid_handle_picture_decode;
@ -1097,7 +1127,7 @@ static const AVOption options[] = {
{ "bob", "Bob deinterlacing", 0, AV_OPT_TYPE_CONST, { .i64 = cudaVideoDeinterlaceMode_Bob }, 0, 0, VD, "deint" },
{ "adaptive", "Adaptive deinterlacing", 0, AV_OPT_TYPE_CONST, { .i64 = cudaVideoDeinterlaceMode_Adaptive }, 0, 0, VD, "deint" },
{ "gpu", "GPU to be used for decoding", OFFSET(cu_gpu), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VD },
{ "surfaces", "Maximum surfaces to be used for decoding", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, INT_MAX, VD },
{ "surfaces", "Maximum surfaces to be used for decoding", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VD | AV_OPT_FLAG_DEPRECATED },
{ "drop_second_field", "Drop second field when deinterlacing", OFFSET(drop_second_field), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VD },
{ "crop", "Crop (top)x(bottom)x(left)x(right)", OFFSET(crop_expr), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VD },
{ "resize", "Resize (width)x(height)", OFFSET(resize_expr), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VD },