summaryrefslogtreecommitdiff
path: root/libavcodec/cuvid.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/cuvid.c')
-rw-r--r--libavcodec/cuvid.c698
1 files changed, 698 insertions, 0 deletions
diff --git a/libavcodec/cuvid.c b/libavcodec/cuvid.c
new file mode 100644
index 0000000000..1da0e87f76
--- /dev/null
+++ b/libavcodec/cuvid.c
@@ -0,0 +1,698 @@
+/*
+ * Nvidia CUVID decoder
+ * Copyright (c) 2016 Timo Rothenpieler <timo@rothenpieler.org>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/buffer.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/hwcontext.h"
+#include "libavutil/hwcontext_cuda.h"
+#include "libavutil/fifo.h"
+#include "libavutil/log.h"
+
+#include "avcodec.h"
+#include "internal.h"
+
+#include <nvcuvid.h>
+
+#define MAX_FRAME_COUNT 20
+
+typedef struct CuvidContext
+{
+ CUvideodecoder cudecoder;
+ CUvideoparser cuparser;
+
+ AVBufferRef *hwdevice;
+ AVBufferRef *hwframe;
+
+ AVBSFContext *bsf;
+
+ AVFifoBuffer *frame_queue;
+
+ int internal_error;
+
+ cudaVideoCodec codec_type;
+ cudaVideoChromaFormat chroma_format;
+} CuvidContext;
+
+static int check_cu(AVCodecContext *avctx, CUresult err, const char *func)
+{
+ const char *err_name;
+ const char *err_string;
+
+ av_log(avctx, AV_LOG_TRACE, "Calling %s\n", func);
+
+ if (err == CUDA_SUCCESS)
+ return 0;
+
+ cuGetErrorName(err, &err_name);
+ cuGetErrorString(err, &err_string);
+
+ av_log(avctx, AV_LOG_ERROR, "%s failed", func);
+ if (err_name && err_string)
+ av_log(avctx, AV_LOG_ERROR, " -> %s: %s", err_name, err_string);
+ av_log(avctx, AV_LOG_ERROR, "\n");
+
+ return AVERROR_EXTERNAL;
+}
+
+#define CHECK_CU(x) check_cu(avctx, (x), #x)
+
+static int CUDAAPI cuvid_handle_video_sequence(void *opaque, CUVIDEOFORMAT* format)
+{
+ AVCodecContext *avctx = opaque;
+ CuvidContext *ctx = avctx->priv_data;
+ AVHWFramesContext *hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data;
+ CUVIDDECODECREATEINFO cuinfo;
+
+ av_log(avctx, AV_LOG_TRACE, "pfnSequenceCallback\n");
+
+ ctx->internal_error = 0;
+
+ avctx->width = format->display_area.right;
+ avctx->height = format->display_area.bottom;
+
+ ff_set_sar(avctx, av_div_q(
+ (AVRational){ format->display_aspect_ratio.x, format->display_aspect_ratio.y },
+ (AVRational){ avctx->width, avctx->height }));
+
+ if (!format->progressive_sequence)
+ avctx->flags |= AV_CODEC_FLAG_INTERLACED_DCT;
+ else
+ avctx->flags &= ~AV_CODEC_FLAG_INTERLACED_DCT;
+
+ if (format->video_signal_description.video_full_range_flag)
+ avctx->color_range = AVCOL_RANGE_JPEG;
+ else
+ avctx->color_range = AVCOL_RANGE_MPEG;
+
+ avctx->color_primaries = format->video_signal_description.color_primaries;
+ avctx->color_trc = format->video_signal_description.transfer_characteristics;
+ avctx->colorspace = format->video_signal_description.matrix_coefficients;
+
+ if (format->bitrate)
+ avctx->bit_rate = format->bitrate;
+
+ if (format->frame_rate.numerator && format->frame_rate.denominator) {
+ avctx->framerate.num = format->frame_rate.numerator;
+ avctx->framerate.den = format->frame_rate.denominator;
+ }
+
+ if (ctx->cudecoder
+ && avctx->coded_width == format->coded_width
+ && avctx->coded_height == format->coded_height
+ && ctx->chroma_format == format->chroma_format
+ && ctx->codec_type == format->codec)
+ return 1;
+
+ if (ctx->cudecoder) {
+ av_log(avctx, AV_LOG_ERROR, "re-initializing decoder is not supported\n");
+ ctx->internal_error = AVERROR(EINVAL);
+ return 0;
+ }
+
+ if (hwframe_ctx->pool) {
+ av_log(avctx, AV_LOG_ERROR, "AVHWFramesContext is already initialized\n");
+ ctx->internal_error = AVERROR(EINVAL);
+ return 0;
+ }
+
+ avctx->coded_width = format->coded_width;
+ avctx->coded_height = format->coded_height;
+
+ ctx->chroma_format = format->chroma_format;
+
+ memset(&cuinfo, 0, sizeof(cuinfo));
+
+ cuinfo.CodecType = ctx->codec_type = format->codec;
+ cuinfo.ChromaFormat = format->chroma_format;
+ cuinfo.OutputFormat = cudaVideoSurfaceFormat_NV12;
+
+ cuinfo.ulWidth = avctx->coded_width;
+ cuinfo.ulHeight = avctx->coded_height;
+ cuinfo.ulTargetWidth = cuinfo.ulWidth;
+ cuinfo.ulTargetHeight = cuinfo.ulHeight;
+
+ cuinfo.target_rect.left = 0;
+ cuinfo.target_rect.top = 0;
+ cuinfo.target_rect.right = cuinfo.ulWidth;
+ cuinfo.target_rect.bottom = cuinfo.ulHeight;
+
+ cuinfo.ulNumDecodeSurfaces = MAX_FRAME_COUNT;
+ cuinfo.ulNumOutputSurfaces = 1;
+ cuinfo.ulCreationFlags = cudaVideoCreate_PreferCUVID;
+
+ cuinfo.DeinterlaceMode = cudaVideoDeinterlaceMode_Weave;
+
+ ctx->internal_error = CHECK_CU(cuvidCreateDecoder(&ctx->cudecoder, &cuinfo));
+ if (ctx->internal_error < 0)
+ return 0;
+
+ hwframe_ctx->format = AV_PIX_FMT_CUDA;
+ hwframe_ctx->sw_format = AV_PIX_FMT_NV12;
+ hwframe_ctx->width = FFALIGN(avctx->coded_width, 32);
+ hwframe_ctx->height = FFALIGN(avctx->coded_height, 32);
+
+ if ((ctx->internal_error = av_hwframe_ctx_init(ctx->hwframe)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "av_hwframe_ctx_init failed\n");
+ return 0;
+ }
+
+ return 1;
+}
+
+static int CUDAAPI cuvid_handle_picture_decode(void *opaque, CUVIDPICPARAMS* picparams)
+{
+ AVCodecContext *avctx = opaque;
+ CuvidContext *ctx = avctx->priv_data;
+
+ av_log(avctx, AV_LOG_TRACE, "pfnDecodePicture\n");
+
+ ctx->internal_error = CHECK_CU(cuvidDecodePicture(ctx->cudecoder, picparams));
+ if (ctx->internal_error < 0)
+ return 0;
+
+ return 1;
+}
+
+static int CUDAAPI cuvid_handle_picture_display(void *opaque, CUVIDPARSERDISPINFO* dispinfo)
+{
+ AVCodecContext *avctx = opaque;
+ CuvidContext *ctx = avctx->priv_data;
+
+ av_log(avctx, AV_LOG_TRACE, "pfnDisplayPicture\n");
+
+ ctx->internal_error = 0;
+
+ av_fifo_generic_write(ctx->frame_queue, dispinfo, sizeof(CUVIDPARSERDISPINFO), NULL);
+
+ return 1;
+}
+
+static int cuvid_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
+{
+ CuvidContext *ctx = avctx->priv_data;
+ AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)ctx->hwdevice->data;
+ AVCUDADeviceContext *device_hwctx = device_ctx->hwctx;
+ CUcontext dummy, cuda_ctx = device_hwctx->cuda_ctx;
+ AVFrame *frame = data;
+ CUVIDSOURCEDATAPACKET cupkt;
+ AVPacket filter_packet = { 0 };
+ AVPacket filtered_packet = { 0 };
+ CUdeviceptr mapped_frame = 0;
+ int ret = 0, eret = 0;
+
+ if (ctx->bsf && avpkt->size) {
+ if ((ret = av_packet_ref(&filter_packet, avpkt)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "av_packet_ref failed\n");
+ return ret;
+ }
+
+ if ((ret = av_bsf_send_packet(ctx->bsf, &filter_packet)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "av_bsf_send_packet failed\n");
+ av_packet_unref(&filter_packet);
+ return ret;
+ }
+
+ if ((ret = av_bsf_receive_packet(ctx->bsf, &filtered_packet)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "av_bsf_receive_packet failed\n");
+ return ret;
+ }
+
+ avpkt = &filtered_packet;
+ }
+
+ ret = CHECK_CU(cuCtxPushCurrent(cuda_ctx));
+ if (ret < 0) {
+ av_packet_unref(&filtered_packet);
+ return ret;
+ }
+
+ memset(&cupkt, 0, sizeof(cupkt));
+
+ if (avpkt->size) {
+ cupkt.payload_size = avpkt->size;
+ cupkt.payload = avpkt->data;
+
+ if (avpkt->pts != AV_NOPTS_VALUE) {
+ cupkt.flags = CUVID_PKT_TIMESTAMP;
+ cupkt.timestamp = av_rescale_q(avpkt->pts, avctx->time_base, (AVRational){1, 10000000});
+ }
+ } else {
+ cupkt.flags = CUVID_PKT_ENDOFSTREAM;
+ }
+
+ ret = CHECK_CU(cuvidParseVideoData(ctx->cuparser, &cupkt));
+
+ av_packet_unref(&filtered_packet);
+
+ if (ret < 0) {
+ if (ctx->internal_error)
+ ret = ctx->internal_error;
+ goto error;
+ }
+
+ if (av_fifo_size(ctx->frame_queue)) {
+ CUVIDPARSERDISPINFO dispinfo;
+ CUVIDPROCPARAMS params;
+ unsigned int pitch = 0;
+ int offset = 0;
+ int i;
+
+ av_fifo_generic_read(ctx->frame_queue, &dispinfo, sizeof(CUVIDPARSERDISPINFO), NULL);
+
+ memset(&params, 0, sizeof(params));
+ params.progressive_frame = dispinfo.progressive_frame;
+ params.second_field = 0;
+ params.top_field_first = dispinfo.top_field_first;
+
+ ret = CHECK_CU(cuvidMapVideoFrame(ctx->cudecoder, dispinfo.picture_index, &mapped_frame, &pitch, &params));
+ if (ret < 0)
+ goto error;
+
+ if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
+ ret = av_hwframe_get_buffer(ctx->hwframe, frame, 0);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "av_hwframe_get_buffer failed\n");
+ goto error;
+ }
+
+ ret = ff_decode_frame_props(avctx, frame);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "ff_decode_frame_props failed\n");
+ goto error;
+ }
+
+ for (i = 0; i < 2; i++) {
+ CUDA_MEMCPY2D cpy = {
+ .srcMemoryType = CU_MEMORYTYPE_DEVICE,
+ .dstMemoryType = CU_MEMORYTYPE_DEVICE,
+ .srcDevice = mapped_frame,
+ .dstDevice = (CUdeviceptr)frame->data[i],
+ .srcPitch = pitch,
+ .dstPitch = frame->linesize[i],
+ .srcY = offset,
+ .WidthInBytes = FFMIN(pitch, frame->linesize[i]),
+ .Height = avctx->coded_height >> (i ? 1 : 0),
+ };
+
+ ret = CHECK_CU(cuMemcpy2D(&cpy));
+ if (ret < 0)
+ goto error;
+
+ offset += avctx->coded_height;
+ }
+ } else if (avctx->pix_fmt == AV_PIX_FMT_NV12) {
+ AVFrame *tmp_frame = av_frame_alloc();
+ if (!tmp_frame) {
+ av_log(avctx, AV_LOG_ERROR, "av_frame_alloc failed\n");
+ ret = AVERROR(ENOMEM);
+ goto error;
+ }
+
+ tmp_frame->format = AV_PIX_FMT_CUDA;
+ tmp_frame->hw_frames_ctx = av_buffer_ref(ctx->hwframe);
+ tmp_frame->data[0] = (uint8_t*)mapped_frame;
+ tmp_frame->linesize[0] = pitch;
+ tmp_frame->data[1] = (uint8_t*)(mapped_frame + avctx->coded_height * pitch);
+ tmp_frame->linesize[1] = pitch;
+ tmp_frame->width = avctx->width;
+ tmp_frame->height = avctx->height;
+
+ ret = ff_get_buffer(avctx, frame, 0);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "ff_get_buffer failed\n");
+ av_frame_free(&tmp_frame);
+ goto error;
+ }
+
+ ret = av_hwframe_transfer_data(frame, tmp_frame, 0);
+ if (ret) {
+ av_log(avctx, AV_LOG_ERROR, "av_hwframe_transfer_data failed\n");
+ av_frame_free(&tmp_frame);
+ goto error;
+ }
+
+ av_frame_free(&tmp_frame);
+ } else {
+ ret = AVERROR_BUG;
+ goto error;
+ }
+
+ frame->width = avctx->width;
+ frame->height = avctx->height;
+ frame->pts = av_rescale_q(dispinfo.timestamp, (AVRational){1, 10000000}, avctx->time_base);
+
+ /* CUVIDs opaque reordering breaks the internal pkt logic.
+ * So set pkt_pts and clear all the other pkt_ fields.
+ */
+ frame->pkt_pts = frame->pts;
+ av_frame_set_pkt_pos(frame, -1);
+ av_frame_set_pkt_duration(frame, 0);
+ av_frame_set_pkt_size(frame, -1);
+
+ frame->interlaced_frame = !dispinfo.progressive_frame;
+
+ if (!dispinfo.progressive_frame)
+ frame->top_field_first = dispinfo.top_field_first;
+
+ *got_frame = 1;
+ } else {
+ *got_frame = 0;
+ }
+
+error:
+ if (mapped_frame)
+ eret = CHECK_CU(cuvidUnmapVideoFrame(ctx->cudecoder, mapped_frame));
+
+ eret = CHECK_CU(cuCtxPopCurrent(&dummy));
+
+ if (eret < 0)
+ return eret;
+ else
+ return ret;
+}
+
+static av_cold int cuvid_decode_end(AVCodecContext *avctx)
+{
+ CuvidContext *ctx = avctx->priv_data;
+
+ av_fifo_freep(&ctx->frame_queue);
+
+ if (ctx->bsf)
+ av_bsf_free(&ctx->bsf);
+
+ if (ctx->cuparser)
+ cuvidDestroyVideoParser(ctx->cuparser);
+
+ if (ctx->cudecoder)
+ cuvidDestroyDecoder(ctx->cudecoder);
+
+ av_buffer_unref(&ctx->hwframe);
+ av_buffer_unref(&ctx->hwdevice);
+
+ return 0;
+}
+
+static void cuvid_ctx_free(AVHWDeviceContext *ctx)
+{
+ AVCUDADeviceContext *hwctx = ctx->hwctx;
+ cuCtxDestroy(hwctx->cuda_ctx);
+}
+
+static int cuvid_test_dummy_decoder(AVCodecContext *avctx, CUVIDPARSERPARAMS *cuparseinfo)
+{
+ CUVIDDECODECREATEINFO cuinfo;
+ CUvideodecoder cudec = 0;
+ int ret = 0;
+
+ memset(&cuinfo, 0, sizeof(cuinfo));
+
+ cuinfo.CodecType = cuparseinfo->CodecType;
+ cuinfo.ChromaFormat = cudaVideoChromaFormat_420;
+ cuinfo.OutputFormat = cudaVideoSurfaceFormat_NV12;
+
+ cuinfo.ulWidth = 1280;
+ cuinfo.ulHeight = 720;
+ cuinfo.ulTargetWidth = cuinfo.ulWidth;
+ cuinfo.ulTargetHeight = cuinfo.ulHeight;
+
+ cuinfo.target_rect.left = 0;
+ cuinfo.target_rect.top = 0;
+ cuinfo.target_rect.right = cuinfo.ulWidth;
+ cuinfo.target_rect.bottom = cuinfo.ulHeight;
+
+ cuinfo.ulNumDecodeSurfaces = MAX_FRAME_COUNT;
+ cuinfo.ulNumOutputSurfaces = 1;
+ cuinfo.ulCreationFlags = cudaVideoCreate_PreferCUVID;
+
+ cuinfo.DeinterlaceMode = cudaVideoDeinterlaceMode_Weave;
+
+ ret = CHECK_CU(cuvidCreateDecoder(&cudec, &cuinfo));
+ if (ret < 0)
+ return ret;
+
+ ret = CHECK_CU(cuvidDestroyDecoder(cudec));
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static av_cold int cuvid_decode_init(AVCodecContext *avctx)
+{
+ CuvidContext *ctx = avctx->priv_data;
+ AVCUDADeviceContext *device_hwctx;
+ AVHWDeviceContext *device_ctx;
+ AVHWFramesContext *hwframe_ctx;
+ CUVIDPARSERPARAMS cuparseinfo;
+ CUVIDEOFORMATEX cuparse_ext;
+ CUVIDSOURCEDATAPACKET seq_pkt;
+ CUdevice device;
+ CUcontext cuda_ctx = NULL;
+ CUcontext dummy;
+ const AVBitStreamFilter *bsf;
+ int ret = 0;
+
+ enum AVPixelFormat pix_fmts[3] = { AV_PIX_FMT_CUDA,
+ AV_PIX_FMT_NV12,
+ AV_PIX_FMT_NONE };
+
+ ret = ff_get_format(avctx, pix_fmts);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "ff_get_format failed: %d\n", ret);
+ return ret;
+ }
+
+ ctx->frame_queue = av_fifo_alloc(MAX_FRAME_COUNT * sizeof(CUVIDPARSERDISPINFO));
+ if (!ctx->frame_queue) {
+ ret = AVERROR(ENOMEM);
+ goto error;
+ }
+
+ avctx->pix_fmt = ret;
+
+ if (avctx->hw_frames_ctx) {
+ ctx->hwframe = av_buffer_ref(avctx->hw_frames_ctx);
+ if (!ctx->hwframe) {
+ ret = AVERROR(ENOMEM);
+ goto error;
+ }
+
+ hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data;
+
+ ctx->hwdevice = av_buffer_ref(hwframe_ctx->device_ref);
+ if (!ctx->hwdevice) {
+ ret = AVERROR(ENOMEM);
+ goto error;
+ }
+
+ device_ctx = hwframe_ctx->device_ctx;
+ device_hwctx = device_ctx->hwctx;
+ cuda_ctx = device_hwctx->cuda_ctx;
+ } else {
+ ctx->hwdevice = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_CUDA);
+ if (!ctx->hwdevice) {
+ av_log(avctx, AV_LOG_ERROR, "Error allocating hwdevice\n");
+ ret = AVERROR(ENOMEM);
+ goto error;
+ }
+
+ ret = CHECK_CU(cuInit(0));
+ if (ret < 0)
+ goto error;
+
+ ret = CHECK_CU(cuDeviceGet(&device, 0));
+ if (ret < 0)
+ goto error;
+
+ ret = CHECK_CU(cuCtxCreate(&cuda_ctx, CU_CTX_SCHED_BLOCKING_SYNC, device));
+ if (ret < 0)
+ goto error;
+
+ device_ctx = (AVHWDeviceContext*)ctx->hwdevice->data;
+ device_ctx->free = cuvid_ctx_free;
+
+ device_hwctx = device_ctx->hwctx;
+ device_hwctx->cuda_ctx = cuda_ctx;
+
+ ret = CHECK_CU(cuCtxPopCurrent(&dummy));
+ if (ret < 0)
+ goto error;
+
+ ret = av_hwdevice_ctx_init(ctx->hwdevice);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "av_hwdevice_ctx_init failed\n");
+ goto error;
+ }
+
+ ctx->hwframe = av_hwframe_ctx_alloc(ctx->hwdevice);
+ if (!ctx->hwframe) {
+ av_log(avctx, AV_LOG_ERROR, "av_hwframe_ctx_alloc failed\n");
+ ret = AVERROR(ENOMEM);
+ goto error;
+ }
+ }
+
+ memset(&cuparseinfo, 0, sizeof(cuparseinfo));
+ memset(&cuparse_ext, 0, sizeof(cuparse_ext));
+ memset(&seq_pkt, 0, sizeof(seq_pkt));
+
+ cuparseinfo.pExtVideoInfo = &cuparse_ext;
+
+ switch (avctx->codec->id) {
+#if CONFIG_H264_CUVID_DECODER
+ case AV_CODEC_ID_H264:
+ cuparseinfo.CodecType = cudaVideoCodec_H264;
+ break;
+#endif
+#if CONFIG_HEVC_CUVID_DECODER
+ case AV_CODEC_ID_HEVC:
+ cuparseinfo.CodecType = cudaVideoCodec_HEVC;
+ break;
+#endif
+#if CONFIG_VP8_CUVID_DECODER
+ case AV_CODEC_ID_VP8:
+ cuparseinfo.CodecType = cudaVideoCodec_VP8;
+ break;
+#endif
+#if CONFIG_VP9_CUVID_DECODER
+ case AV_CODEC_ID_VP9:
+ cuparseinfo.CodecType = cudaVideoCodec_VP9;
+ break;
+#endif
+#if CONFIG_VC1_CUVID_DECODER
+ case AV_CODEC_ID_VC1:
+ cuparseinfo.CodecType = cudaVideoCodec_VC1;
+ break;
+#endif
+ default:
+ av_log(avctx, AV_LOG_ERROR, "Invalid CUVID codec!\n");
+ return AVERROR_BUG;
+ }
+
+ if (avctx->codec->id == AV_CODEC_ID_H264 || avctx->codec->id == AV_CODEC_ID_HEVC) {
+ if (avctx->codec->id == AV_CODEC_ID_H264)
+ bsf = av_bsf_get_by_name("h264_mp4toannexb");
+ else
+ bsf = av_bsf_get_by_name("hevc_mp4toannexb");
+
+ if (!bsf) {
+ ret = AVERROR_BSF_NOT_FOUND;
+ goto error;
+ }
+ if (ret = av_bsf_alloc(bsf, &ctx->bsf)) {
+ goto error;
+ }
+ if (((ret = avcodec_parameters_from_context(ctx->bsf->par_in, avctx)) < 0) || ((ret = av_bsf_init(ctx->bsf)) < 0)) {
+ av_bsf_free(&ctx->bsf);
+ goto error;
+ }
+
+ cuparse_ext.format.seqhdr_data_length = ctx->bsf->par_out->extradata_size;
+ memcpy(cuparse_ext.raw_seqhdr_data,
+ ctx->bsf->par_out->extradata,
+ FFMIN(sizeof(cuparse_ext.raw_seqhdr_data), ctx->bsf->par_out->extradata_size));
+ } else if (avctx->extradata_size > 0) {
+ cuparse_ext.format.seqhdr_data_length = avctx->extradata_size;
+ memcpy(cuparse_ext.raw_seqhdr_data,
+ avctx->extradata,
+ FFMIN(sizeof(cuparse_ext.raw_seqhdr_data), avctx->extradata_size));
+ }
+
+ cuparseinfo.ulMaxNumDecodeSurfaces = MAX_FRAME_COUNT;
+ cuparseinfo.ulMaxDisplayDelay = 4;
+ cuparseinfo.pUserData = avctx;
+ cuparseinfo.pfnSequenceCallback = cuvid_handle_video_sequence;
+ cuparseinfo.pfnDecodePicture = cuvid_handle_picture_decode;
+ cuparseinfo.pfnDisplayPicture = cuvid_handle_picture_display;
+
+ ret = CHECK_CU(cuCtxPushCurrent(cuda_ctx));
+ if (ret < 0)
+ goto error;
+
+ ret = cuvid_test_dummy_decoder(avctx, &cuparseinfo);
+ if (ret < 0)
+ goto error;
+
+ ret = CHECK_CU(cuvidCreateVideoParser(&ctx->cuparser, &cuparseinfo));
+ if (ret < 0)
+ goto error;
+
+ seq_pkt.payload = cuparse_ext.raw_seqhdr_data;
+ seq_pkt.payload_size = cuparse_ext.format.seqhdr_data_length;
+
+ if (seq_pkt.payload && seq_pkt.payload_size) {
+ ret = CHECK_CU(cuvidParseVideoData(ctx->cuparser, &seq_pkt));
+ if (ret < 0)
+ goto error;
+ }
+
+ ret = CHECK_CU(cuCtxPopCurrent(&dummy));
+ if (ret < 0)
+ goto error;
+
+ return 0;
+
+error:
+ cuvid_decode_end(avctx);
+ return ret;
+}
+
+#define DEFINE_CUVID_CODEC(x, X) \
+ AVHWAccel ff_##x##_cuvid_hwaccel = { \
+ .name = #x "_cuvid", \
+ .type = AVMEDIA_TYPE_VIDEO, \
+ .id = AV_CODEC_ID_##X, \
+ .pix_fmt = AV_PIX_FMT_CUDA, \
+ }; \
+ AVCodec ff_##x##_cuvid_decoder = { \
+ .name = #x "_cuvid", \
+ .long_name = NULL_IF_CONFIG_SMALL("Nvidia CUVID " #X " decoder"), \
+ .type = AVMEDIA_TYPE_VIDEO, \
+ .id = AV_CODEC_ID_##X, \
+ .priv_data_size = sizeof(CuvidContext), \
+ .init = cuvid_decode_init, \
+ .close = cuvid_decode_end, \
+ .decode = cuvid_decode_frame, \
+ .capabilities = AV_CODEC_CAP_DELAY, \
+ .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_CUDA, \
+ AV_PIX_FMT_NV12, \
+ AV_PIX_FMT_NONE }, \
+ };
+
+#if CONFIG_HEVC_CUVID_DECODER
+DEFINE_CUVID_CODEC(hevc, HEVC)
+#endif
+
+#if CONFIG_H264_CUVID_DECODER
+DEFINE_CUVID_CODEC(h264, H264)
+#endif
+
+#if CONFIG_VP8_CUVID_DECODER
+DEFINE_CUVID_CODEC(vp8, VP8)
+#endif
+
+#if CONFIG_VP9_CUVID_DECODER
+DEFINE_CUVID_CODEC(vp9, VP9)
+#endif
+
+#if CONFIG_VC1_CUVID_DECODER
+DEFINE_CUVID_CODEC(vc1, VC1)
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 14:34:57 +0000