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Code Issues Releases Activity

nvdec: attach real hw_frames to post-processed frames

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This commit is contained in:
Timo Rothenpieler 2020-03-20 16:43:34 +01:00
parent 3362330741
commit 767f53533a
2 changed files with 76 additions and 18 deletions
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92
libavcodec/nvdec.c
View File

@ -44,6 +44,7 @@ typedef struct NVDECDecoder {
CUvideodecoder decoder;
AVBufferRef *hw_device_ref;
AVBufferRef *real_hw_frames_ref;
CUcontext cuda_ctx;
CUstream stream;
@ -163,6 +164,7 @@ static void nvdec_decoder_free(void *opaque, uint8_t *data)
CHECK_CU(decoder->cudl->cuCtxPopCurrent(&dummy));
}
av_buffer_unref(&decoder->real_hw_frames_ref);
av_buffer_unref(&decoder->hw_device_ref);
cuvid_free_functions(&decoder->cvdl);
@ -269,10 +271,61 @@ int ff_nvdec_decode_uninit(AVCodecContext *avctx)
return 0;
}
static void nvdec_free_dummy(struct AVHWFramesContext *ctx)
{
av_buffer_pool_uninit(&ctx->pool);
}
static AVBufferRef *nvdec_alloc_dummy(int size)
{
return av_buffer_create(NULL, 0, NULL, NULL, 0);
}
static int nvdec_init_hwframes(AVCodecContext *avctx, AVBufferRef **out_frames_ref, int dummy)
{
AVHWFramesContext *frames_ctx;
int ret;
ret = avcodec_get_hw_frames_parameters(avctx,
avctx->hw_device_ctx,
avctx->hwaccel->pix_fmt,
out_frames_ref);
if (ret < 0)
return ret;
frames_ctx = (AVHWFramesContext*)(*out_frames_ref)->data;
if (dummy) {
// Copied from ff_decode_get_hw_frames_ctx for compatibility
frames_ctx->initial_pool_size += 3;
frames_ctx->free = nvdec_free_dummy;
frames_ctx->pool = av_buffer_pool_init(0, nvdec_alloc_dummy);
if (!frames_ctx->pool) {
av_buffer_unref(out_frames_ref);
return AVERROR(ENOMEM);
}
} else {
// This is normally not used to actually allocate frames from
frames_ctx->initial_pool_size = 0;
}
ret = av_hwframe_ctx_init(*out_frames_ref);
if (ret < 0) {
av_buffer_unref(out_frames_ref);
return ret;
}
return 0;
}
int ff_nvdec_decode_init(AVCodecContext *avctx)
{
NVDECContext *ctx = avctx->internal->hwaccel_priv_data;
NVDECDecoder *decoder;
AVBufferRef *real_hw_frames_ref;
NVDECFramePool *pool;
AVHWFramesContext *frames_ctx;
const AVPixFmtDescriptor *sw_desc;
@ -301,9 +354,17 @@ int ff_nvdec_decode_init(AVCodecContext *avctx)
chroma_444 = ctx->supports_444 && cuvid_chroma_format == cudaVideoChromaFormat_444;
if (!avctx->hw_frames_ctx) {
ret = ff_decode_get_hw_frames_ctx(avctx, AV_HWDEVICE_TYPE_CUDA);
ret = nvdec_init_hwframes(avctx, &avctx->hw_frames_ctx, 1);
if (ret < 0)
return ret;
ret = nvdec_init_hwframes(avctx, &real_hw_frames_ref, 0);
if (ret < 0)
return ret;
} else {
real_hw_frames_ref = av_buffer_ref(avctx->hw_frames_ctx);
if (!real_hw_frames_ref)
return AVERROR(ENOMEM);
}
switch (sw_desc->comp[0].depth) {
@ -318,6 +379,7 @@ int ff_nvdec_decode_init(AVCodecContext *avctx)
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unsupported bit depth\n");
av_buffer_unref(&real_hw_frames_ref);
return AVERROR(ENOSYS);
}
@ -342,9 +404,14 @@ int ff_nvdec_decode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_WARNING, "Try lowering the amount of threads. Using %d right now.\n",
avctx->thread_count);
}
av_buffer_unref(&real_hw_frames_ref);
return ret;
}
decoder = (NVDECDecoder*)ctx->decoder_ref->data;
decoder->real_hw_frames_ref = real_hw_frames_ref;
real_hw_frames_ref = NULL;
pool = av_mallocz(sizeof(*pool));
if (!pool) {
ret = AVERROR(ENOMEM);
@ -447,6 +514,13 @@ static int nvdec_retrieve_data(void *logctx, AVFrame *frame)
goto copy_fail;
}
av_buffer_unref(&frame->hw_frames_ctx);
frame->hw_frames_ctx = av_buffer_ref(decoder->real_hw_frames_ref);
if (!frame->hw_frames_ctx) {
ret = AVERROR(ENOMEM);
goto copy_fail;
}
unmap_data->idx = cf->idx;
unmap_data->idx_ref = av_buffer_ref(cf->idx_ref);
unmap_data->decoder_ref = av_buffer_ref(cf->decoder_ref);
@ -575,16 +649,6 @@ int ff_nvdec_simple_decode_slice(AVCodecContext *avctx, const uint8_t *buffer,
return 0;
}
static void nvdec_free_dummy(struct AVHWFramesContext *ctx)
{
av_buffer_pool_uninit(&ctx->pool);
}
static AVBufferRef *nvdec_alloc_dummy(int size)
{
return av_buffer_create(NULL, 0, NULL, NULL, 0);
}
int ff_nvdec_frame_params(AVCodecContext *avctx,
AVBufferRef *hw_frames_ctx,
int dpb_size,
@ -620,12 +684,6 @@ int ff_nvdec_frame_params(AVCodecContext *avctx,
*/
frames_ctx->initial_pool_size = dpb_size + 2;
frames_ctx->free = nvdec_free_dummy;
frames_ctx->pool = av_buffer_pool_init(0, nvdec_alloc_dummy);
if (!frames_ctx->pool)
return AVERROR(ENOMEM);
switch (sw_desc->comp[0].depth) {
case 8:
frames_ctx->sw_format = chroma_444 ? AV_PIX_FMT_YUV444P : AV_PIX_FMT_NV12;

2
libavcodec/version.h
View File

@ -29,7 +29,7 @@
#define LIBAVCODEC_VERSION_MAJOR 58
#define LIBAVCODEC_VERSION_MINOR 77
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_MICRO 101
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \