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nvdec: Port to GstCudaGraphicsResource
Make it possible to share registered graphics resource among nvidia encoders and decoders.
This commit is contained in:
Seungha Yang
parent
da075b94a9
commit
d0846f8eab
1 changed files with 56 additions and 90 deletions
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@ -50,17 +50,10 @@ gst_nvdec_copy_device_to_system (GstNvDec * nvdec,
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CUVIDPARSERDISPINFO * dispinfo, GstBuffer * output_buffer);
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#ifdef HAVE_NVCODEC_GST_GL
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typedef struct _GstNvDecCudaGraphicsResourceInfo
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{
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GstGLContext *gl_context;
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GstCudaContext *cuda_context;
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CUgraphicsResource resource;
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} GstNvDecCudaGraphicsResourceInfo;
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typedef struct _GstNvDecRegisterResourceData
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{
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GstMemory *mem;
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GstNvDecCudaGraphicsResourceInfo *info;
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GstCudaGraphicsResource *resource;
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GstNvDec *nvdec;
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gboolean ret;
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} GstNvDecRegisterResourceData;
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@ -70,10 +63,9 @@ register_cuda_resource (GstGLContext * context,
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GstNvDecRegisterResourceData * data)
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{
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GstMemory *mem = data->mem;
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GstNvDecCudaGraphicsResourceInfo *cgr_info = data->info;
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GstCudaGraphicsResource *resource = data->resource;
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GstNvDec *nvdec = data->nvdec;
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GstMapInfo map_info = GST_MAP_INFO_INIT;
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CUresult cuda_ret;
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GstGLBuffer *gl_buf_obj;
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data->ret = FALSE;
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@ -90,9 +82,11 @@ register_cuda_resource (GstGLContext * context,
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GST_LOG_OBJECT (nvdec,
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"registure glbuffer %d to CUDA resource", gl_buf_obj->id);
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cuda_ret = CuGraphicsGLRegisterBuffer (&cgr_info->resource, gl_buf_obj->id,
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CU_GRAPHICS_REGISTER_FLAGS_WRITE_DISCARD);
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if (gst_cuda_result (cuda_ret)) {
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/* register resource without read/write only flags, since
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* downstream CUDA elements (e.g., nvenc) might want to access
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* this resource later. Instead, use map flags during map/unmap */
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if (gst_cuda_graphics_resource_register_gl_buffer (resource,
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gl_buf_obj->id, CU_GRAPHICS_REGISTER_FLAGS_NONE)) {
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data->ret = TRUE;
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} else {
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GST_WARNING_OBJECT (nvdec, "failed to register memory");
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@ -107,40 +101,11 @@ register_cuda_resource (GstGLContext * context,
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GST_WARNING_OBJECT (nvdec, "failed to unlock CUDA context");
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}
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static void
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unregister_cuda_resource (GstGLContext * context,
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GstNvDecCudaGraphicsResourceInfo * cgr_info)
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{
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GstCudaContext *cuda_context = cgr_info->cuda_context;
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if (!gst_cuda_context_push (cuda_context)) {
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GST_WARNING_OBJECT (context, "failed to push CUDA context");
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return;
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}
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if (!gst_cuda_result (CuGraphicsUnregisterResource (cgr_info->resource)))
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GST_WARNING_OBJECT (cuda_context, "failed to unregister resource");
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if (!gst_cuda_context_pop (NULL)) {
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GST_WARNING_OBJECT (cuda_context, "failed to pop CUDA context");
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}
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}
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static void
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free_cgr_info (GstNvDecCudaGraphicsResourceInfo * cgr_info)
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{
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gst_gl_context_thread_add (cgr_info->gl_context,
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(GstGLContextThreadFunc) unregister_cuda_resource, cgr_info);
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gst_object_unref (cgr_info->gl_context);
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gst_object_unref (cgr_info->cuda_context);
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g_free (cgr_info);
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}
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static CUgraphicsResource
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static GstCudaGraphicsResource *
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ensure_cuda_graphics_resource (GstMemory * mem, GstNvDec * nvdec)
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{
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static GQuark quark = 0;
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GstNvDecCudaGraphicsResourceInfo *cgr_info;
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GQuark quark;
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GstCudaGraphicsResource *cgr_info;
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GstNvDecRegisterResourceData data;
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if (!gst_is_gl_memory_pbo (mem)) {
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@ -149,34 +114,30 @@ ensure_cuda_graphics_resource (GstMemory * mem, GstNvDec * nvdec)
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return NULL;
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}
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if (!quark)
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quark = g_quark_from_static_string ("GstNvDecCudaGraphicsResourceInfo");
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quark = gst_cuda_quark_from_id (GST_CUDA_QUARK_GRAPHICS_RESOURCE);
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cgr_info = gst_mini_object_get_qdata (GST_MINI_OBJECT (mem), quark);
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if (!cgr_info) {
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cgr_info = g_new0 (GstNvDecCudaGraphicsResourceInfo, 1);
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cgr_info->gl_context =
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gst_object_ref (GST_GL_BASE_MEMORY_CAST (mem)->context);
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cgr_info->cuda_context = gst_object_ref (nvdec->cuda_ctx);
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cgr_info = gst_cuda_graphics_resource_new (nvdec->cuda_ctx,
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GST_OBJECT (GST_GL_BASE_MEMORY_CAST (mem)->context),
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GST_CUDA_GRAPHICS_RESOURCE_GL_BUFFER);
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data.mem = mem;
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data.info = cgr_info;
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data.resource = cgr_info;
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data.nvdec = nvdec;
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gst_gl_context_thread_add (cgr_info->gl_context,
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gst_gl_context_thread_add ((GstGLContext *) cgr_info->graphics_context,
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(GstGLContextThreadFunc) register_cuda_resource, &data);
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if (!data.ret) {
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GST_WARNING_OBJECT (nvdec, "could not register resource");
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gst_object_unref (cgr_info->gl_context);
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gst_object_unref (cgr_info->cuda_context);
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g_free (cgr_info);
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gst_cuda_graphics_resource_free (cgr_info);
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return NULL;
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}
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gst_mini_object_set_qdata (GST_MINI_OBJECT (mem), quark, cgr_info,
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(GDestroyNotify) free_cgr_info);
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(GDestroyNotify) gst_cuda_graphics_resource_free);
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}
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return cgr_info->resource;
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return cgr_info;
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}
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#endif /* HAVE_NVCODEC_GST_GL */
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@ -807,9 +768,8 @@ typedef struct
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{
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GstNvDec *nvdec;
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CUVIDPARSERDISPINFO *dispinfo;
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CUgraphicsResource *resources;
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guint num_resources;
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gboolean ret;
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GstBuffer *output_buffer;
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} GstNvDecCopyToGLData;
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static void
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@ -818,8 +778,8 @@ copy_video_frame_to_gl_textures (GstGLContext * context,
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{
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GstNvDec *nvdec = data->nvdec;
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CUVIDPARSERDISPINFO *dispinfo = data->dispinfo;
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CUgraphicsResource *resources = data->resources;
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guint num_resources = data->num_resources;
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GstCudaGraphicsResource **resources;
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guint num_resources;
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CUVIDPROCPARAMS proc_params = { 0, };
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guintptr dptr;
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guint pitch, i;
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@ -834,6 +794,25 @@ copy_video_frame_to_gl_textures (GstGLContext * context,
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data->ret = TRUE;
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num_resources = gst_buffer_n_memory (data->output_buffer);
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resources = g_newa (GstCudaGraphicsResource *, num_resources);
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for (i = 0; i < num_resources; i++) {
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GstMemory *mem;
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mem = gst_buffer_peek_memory (data->output_buffer, i);
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resources[i] = ensure_cuda_graphics_resource (mem, nvdec);
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if (!resources[i]) {
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GST_WARNING_OBJECT (nvdec, "could not register %dth memory", i);
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data->ret = FALSE;
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return;
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}
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/* Need PBO -> texture */
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GST_MINI_OBJECT_FLAG_SET (mem, GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD);
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}
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if (!gst_cuda_context_push (nvdec->cuda_ctx)) {
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GST_WARNING_OBJECT (nvdec, "failed to lock CUDA context");
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data->ret = FALSE;
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@ -847,13 +826,6 @@ copy_video_frame_to_gl_textures (GstGLContext * context,
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goto unlock_cuda_context;
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}
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if (!gst_cuda_result (CuGraphicsMapResources (num_resources, resources,
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nvdec->cuda_stream))) {
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GST_WARNING_OBJECT (nvdec, "failed to map CUDA resources");
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data->ret = FALSE;
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goto unmap_video_frame;
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}
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mcpy2d.srcMemoryType = CU_MEMORYTYPE_DEVICE;
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mcpy2d.srcPitch = pitch;
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mcpy2d.dstMemoryType = CU_MEMORYTYPE_DEVICE;
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@ -861,9 +833,18 @@ copy_video_frame_to_gl_textures (GstGLContext * context,
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for (i = 0; i < num_resources; i++) {
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CUdeviceptr cuda_ptr;
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gsize size;
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CUgraphicsResource cuda_resource =
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gst_cuda_graphics_resource_map (resources[i], nvdec->cuda_stream,
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CU_GRAPHICS_MAP_RESOURCE_FLAGS_WRITE_DISCARD);
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if (!cuda_resource) {
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GST_WARNING_OBJECT (nvdec, "failed to map CUDA resources");
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data->ret = FALSE;
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goto unmap_video_frame;
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}
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if (!gst_cuda_result (CuGraphicsResourceGetMappedPointer (&cuda_ptr, &size,
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resources[i]))) {
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cuda_resource))) {
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GST_WARNING_OBJECT (nvdec, "failed to map CUDA resource");
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data->ret = FALSE;
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break;
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@ -883,13 +864,13 @@ copy_video_frame_to_gl_textures (GstGLContext * context,
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}
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}
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if (!gst_cuda_result (CuGraphicsUnmapResources (num_resources, resources,
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nvdec->cuda_stream)))
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GST_WARNING_OBJECT (nvdec, "failed to unmap CUDA resources");
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gst_cuda_result (CuStreamSynchronize (nvdec->cuda_stream));
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unmap_video_frame:
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for (i = 0; i < num_resources; i++) {
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gst_cuda_graphics_resource_unmap (resources[i], nvdec->cuda_stream);
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}
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if (!gst_cuda_result (CuvidUnmapVideoFrame (nvdec->decoder, dptr)))
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GST_WARNING_OBJECT (nvdec, "failed to unmap CUDA video frame");
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@ -902,26 +883,11 @@ static gboolean
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gst_nvdec_copy_device_to_gl (GstNvDec * nvdec,
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CUVIDPARSERDISPINFO * dispinfo, GstBuffer * output_buffer)
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{
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guint i;
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GstMemory *mem;
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GstNvDecCopyToGLData data = { 0, };
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data.nvdec = nvdec;
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data.dispinfo = dispinfo;
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data.num_resources = gst_buffer_n_memory (output_buffer);
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data.resources = g_newa (CUgraphicsResource, data.num_resources);
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for (i = 0; i < data.num_resources; i++) {
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mem = gst_buffer_peek_memory (output_buffer, i);
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data.resources[i] = ensure_cuda_graphics_resource (mem, nvdec);
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if (!data.resources[i]) {
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GST_WARNING_OBJECT (nvdec, "could not register %dth memory", i);
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return FALSE;
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}
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/* Need PBO -> texture */
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GST_MINI_OBJECT_FLAG_SET (mem, GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD);
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}
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data.output_buffer = output_buffer;
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gst_gl_context_thread_add (nvdec->gl_context,
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(GstGLContextThreadFunc) copy_video_frame_to_gl_textures, &data);
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