return ret;
}
-static int cuda_device_create(AVHWDeviceContext *device_ctx,
- const char *device,
- AVDictionary *opts, int flags)
-{
+static int cuda_context_init(AVHWDeviceContext *device_ctx, int flags) {
AVCUDADeviceContext *hwctx = device_ctx->hwctx;
CudaFunctions *cu;
CUcontext dummy;
- int ret, dev_active = 0, device_idx = 0;
+ int ret, dev_active = 0;
unsigned int dev_flags = 0;
const unsigned int desired_flags = CU_CTX_SCHED_BLOCKING_SYNC;
- if (device)
- device_idx = strtol(device, NULL, 0);
-
- if (cuda_device_init(device_ctx) < 0)
- goto error;
-
cu = hwctx->internal->cuda_dl;
- ret = CHECK_CU(cu->cuInit(0));
- if (ret < 0)
- goto error;
-
- ret = CHECK_CU(cu->cuDeviceGet(&hwctx->internal->cuda_device, device_idx));
- if (ret < 0)
- goto error;
-
hwctx->internal->flags = flags;
if (flags & AV_CUDA_USE_PRIMARY_CONTEXT) {
- ret = CHECK_CU(cu->cuDevicePrimaryCtxGetState(hwctx->internal->cuda_device, &dev_flags, &dev_active));
+ ret = CHECK_CU(cu->cuDevicePrimaryCtxGetState(hwctx->internal->cuda_device,
+ &dev_flags, &dev_active));
if (ret < 0)
- goto error;
+ return ret;
if (dev_active && dev_flags != desired_flags) {
av_log(device_ctx, AV_LOG_ERROR, "Primary context already active with incompatible flags.\n");
- goto error;
+ return AVERROR(ENOTSUP);
} else if (dev_flags != desired_flags) {
- ret = CHECK_CU(cu->cuDevicePrimaryCtxSetFlags(hwctx->internal->cuda_device, desired_flags));
+ ret = CHECK_CU(cu->cuDevicePrimaryCtxSetFlags(hwctx->internal->cuda_device,
+ desired_flags));
if (ret < 0)
- goto error;
+ return ret;
}
- ret = CHECK_CU(cu->cuDevicePrimaryCtxRetain(&hwctx->cuda_ctx, hwctx->internal->cuda_device));
+ ret = CHECK_CU(cu->cuDevicePrimaryCtxRetain(&hwctx->cuda_ctx,
+ hwctx->internal->cuda_device));
if (ret < 0)
- goto error;
+ return ret;
} else {
- ret = CHECK_CU(cu->cuCtxCreate(&hwctx->cuda_ctx, desired_flags, hwctx->internal->cuda_device));
+ ret = CHECK_CU(cu->cuCtxCreate(&hwctx->cuda_ctx, desired_flags,
+ hwctx->internal->cuda_device));
if (ret < 0)
- goto error;
+ return ret;
CHECK_CU(cu->cuCtxPopCurrent(&dummy));
}
hwctx->stream = NULL;
return 0;
+}
+
+static int cuda_device_create(AVHWDeviceContext *device_ctx,
+ const char *device,
+ AVDictionary *opts, int flags)
+{
+ AVCUDADeviceContext *hwctx = device_ctx->hwctx;
+ CudaFunctions *cu;
+ int ret, device_idx = 0;
+
+ if (device)
+ device_idx = strtol(device, NULL, 0);
+
+ if (cuda_device_init(device_ctx) < 0)
+ goto error;
+
+ cu = hwctx->internal->cuda_dl;
+
+ ret = CHECK_CU(cu->cuInit(0));
+ if (ret < 0)
+ goto error;
+
+ ret = CHECK_CU(cu->cuDeviceGet(&hwctx->internal->cuda_device, device_idx));
+ if (ret < 0)
+ goto error;
+
+ ret = cuda_context_init(device_ctx, flags);
+ if (ret < 0)
+ goto error;
+
+ return 0;
error:
cuda_device_uninit(device_ctx);
AVCUDADeviceContext *hwctx = device_ctx->hwctx;
CudaFunctions *cu;
const char *src_uuid = NULL;
- CUcontext dummy;
- int ret, i, device_count, dev_active = 0;
- unsigned int dev_flags = 0;
-
- const unsigned int desired_flags = CU_CTX_SCHED_BLOCKING_SYNC;
+ int ret, i, device_count;
#if CONFIG_VULKAN
VkPhysicalDeviceIDProperties vk_idp = {
goto error;
}
- hwctx->internal->flags = flags;
-
- if (flags & AV_CUDA_USE_PRIMARY_CONTEXT) {
- ret = CHECK_CU(cu->cuDevicePrimaryCtxGetState(hwctx->internal->cuda_device, &dev_flags, &dev_active));
- if (ret < 0)
- goto error;
-
- if (dev_active && dev_flags != desired_flags) {
- av_log(device_ctx, AV_LOG_ERROR, "Primary context already active with incompatible flags.\n");
- goto error;
- } else if (dev_flags != desired_flags) {
- ret = CHECK_CU(cu->cuDevicePrimaryCtxSetFlags(hwctx->internal->cuda_device, desired_flags));
- if (ret < 0)
- goto error;
- }
-
- ret = CHECK_CU(cu->cuDevicePrimaryCtxRetain(&hwctx->cuda_ctx, hwctx->internal->cuda_device));
- if (ret < 0)
- goto error;
- } else {
- ret = CHECK_CU(cu->cuCtxCreate(&hwctx->cuda_ctx, desired_flags, hwctx->internal->cuda_device));
- if (ret < 0)
- goto error;
-
- CHECK_CU(cu->cuCtxPopCurrent(&dummy));
- }
-
- hwctx->internal->is_allocated = 1;
-
- // Setting stream to NULL will make functions automatically use the default CUstream
- hwctx->stream = NULL;
+ ret = cuda_context_init(device_ctx, flags);
+ if (ret < 0)
+ goto error;
return 0;