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[82.8.130.139]) by smtp.gmail.com with ESMTPSA id z51sm8742868wrz.80.2017.09.10.13.53.47 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 10 Sep 2017 13:53:47 -0700 (PDT) From: Mark Thompson To: ffmpeg-devel@ffmpeg.org Date: Sun, 10 Sep 2017 21:53:29 +0100 Message-Id: <20170910205338.29687-6-sw@jkqxz.net> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170910205338.29687-1-sw@jkqxz.net> References: <20170910205338.29687-1-sw@jkqxz.net> Subject: [FFmpeg-devel] [PATCH 05/14] hwcontext_opencl: QSV to OpenCL mapping for Intel Media SDK X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Uses the cl_intel_va_api_media_sharing extension, which supports only NV12 surfaces and only mapping from QSV to OpenCL. --- configure | 5 + libavutil/hwcontext_opencl.c | 365 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 370 insertions(+) diff --git a/configure b/configure index fb21f290b2..84b1d7ad51 100755 --- a/configure +++ b/configure @@ -2094,6 +2094,7 @@ HAVE_LIST=" makeinfo_html MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS opencl_vaapi_beignet + opencl_vaapi_intel_media perl pod2man section_data_rel_ro @@ -6191,6 +6192,10 @@ enabled vaapi && if enabled_all opencl vaapi ; then check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" && enable opencl_vaapi_beignet + if enabled libmfx ; then + check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" && + enable opencl_vaapi_intel_media + fi fi enabled vdpau && diff --git a/libavutil/hwcontext_opencl.c b/libavutil/hwcontext_opencl.c index 7f99f5af3f..ee6ebd18d1 100644 --- a/libavutil/hwcontext_opencl.c +++ b/libavutil/hwcontext_opencl.c @@ -37,6 +37,13 @@ #include "hwcontext_vaapi.h" #endif +#if HAVE_OPENCL_VAAPI_INTEL_MEDIA +#include +#include +#include +#include "hwcontext_vaapi.h" +#endif + typedef struct OpenCLDeviceContext { // Default command queue to use for transfer/mapping operations on @@ -53,6 +60,16 @@ typedef struct OpenCLDeviceContext { int vaapi_mapping_usable; clCreateImageFromFdINTEL_fn clCreateImageFromFdINTEL; #endif + +#if HAVE_OPENCL_VAAPI_INTEL_MEDIA + int qsv_mapping_usable; + clCreateFromVA_APIMediaSurfaceINTEL_fn + clCreateFromVA_APIMediaSurfaceINTEL; + clEnqueueAcquireVA_APIMediaSurfacesINTEL_fn + clEnqueueAcquireVA_APIMediaSurfacesINTEL; + clEnqueueReleaseVA_APIMediaSurfacesINTEL_fn + clEnqueueReleaseVA_APIMediaSurfacesINTEL; +#endif } OpenCLDeviceContext; typedef struct OpenCLFramesContext { @@ -633,6 +650,85 @@ static int opencl_device_init(AVHWDeviceContext *hwdev) } #endif +#if HAVE_OPENCL_VAAPI_INTEL_MEDIA + { + size_t props_size; + cl_context_properties *props = NULL; + VADisplay va_display; + const char *va_ext = "cl_intel_va_api_media_sharing"; + int i, fail = 0; + + if (!opencl_check_extension(hwdev, va_ext)) { + av_log(hwdev, AV_LOG_VERBOSE, "The %s extension is " + "required for QSV to OpenCL mapping.\n", va_ext); + goto no_qsv; + } + + cle = clGetContextInfo(hwctx->context, CL_CONTEXT_PROPERTIES, + 0, NULL, &props_size); + if (cle != CL_SUCCESS) { + av_log(hwdev, AV_LOG_VERBOSE, "Failed to get context " + "properties: %d.\n", cle); + goto no_qsv; + } + if (props_size == 0) { + av_log(hwdev, AV_LOG_VERBOSE, "Media sharing must be " + "enabled on context creation to use QSV to " + "OpenCL mapping.\n"); + goto no_qsv; + } + + props = av_malloc(props_size); + if (!props) + return AVERROR(ENOMEM); + + cle = clGetContextInfo(hwctx->context, CL_CONTEXT_PROPERTIES, + props_size, props, NULL); + if (cle != CL_SUCCESS) { + av_log(hwdev, AV_LOG_VERBOSE, "Failed to get context " + "properties: %d.\n", cle); + goto no_qsv; + } + + va_display = NULL; + for (i = 0; i < (props_size / sizeof(*props) - 1); i++) { + if (props[i] == CL_CONTEXT_VA_API_DISPLAY_INTEL) { + va_display = (VADisplay)(intptr_t)props[i+1]; + break; + } + } + if (!va_display) { + av_log(hwdev, AV_LOG_VERBOSE, "Media sharing must be " + "enabled on context creation to use QSV to " + "OpenCL mapping.\n"); + goto no_qsv; + } + if (!vaDisplayIsValid(va_display)) { + av_log(hwdev, AV_LOG_VERBOSE, "A valid VADisplay is " + "required on context creation to use QSV to " + "OpenCL mapping.\n"); + goto no_qsv; + } + + CL_FUNC(clCreateFromVA_APIMediaSurfaceINTEL, + "Intel QSV to OpenCL mapping"); + CL_FUNC(clEnqueueAcquireVA_APIMediaSurfacesINTEL, + "Intel QSV in OpenCL acquire"); + CL_FUNC(clEnqueueReleaseVA_APIMediaSurfacesINTEL, + "Intel QSV in OpenCL release"); + + if (fail) { + no_qsv: + av_log(hwdev, AV_LOG_WARNING, "QSV to OpenCL mapping " + "not usable.\n"); + priv->qsv_mapping_usable = 0; + } else { + priv->qsv_mapping_usable = 1; + } + av_free(props); + } +#endif + #undef CL_FUNC return 0; @@ -652,6 +748,95 @@ static void opencl_device_uninit(AVHWDeviceContext *hwdev) } } +#if HAVE_OPENCL_VAAPI_INTEL_MEDIA +static int opencl_filter_intel_media_vaapi_platform(AVHWDeviceContext *hwdev, + cl_platform_id platform_id, + const char *platform_name, + void *context) +{ + // This doesn't exist as a platform extension, so just test whether + // the function we will use for device enumeration exists. + + if (!clGetExtensionFunctionAddressForPlatform(platform_id, + "clGetDeviceIDsFromVA_APIMediaAdapterINTEL")) { + av_log(hwdev, AV_LOG_DEBUG, "Platform %s does not export the " + "VAAPI device enumeration function.\n", platform_name); + return 1; + } else { + return 0; + } +} + +static int opencl_enumerate_intel_media_vaapi_devices(AVHWDeviceContext *hwdev, + cl_platform_id platform_id, + const char *platform_name, + cl_uint *nb_devices, + cl_device_id **devices, + void *context) +{ + VADisplay va_display = context; + clGetDeviceIDsFromVA_APIMediaAdapterINTEL_fn + clGetDeviceIDsFromVA_APIMediaAdapterINTEL; + cl_int cle; + int err; + + clGetDeviceIDsFromVA_APIMediaAdapterINTEL = + clGetExtensionFunctionAddressForPlatform(platform_id, + "clGetDeviceIDsFromVA_APIMediaAdapterINTEL"); + if (!clGetDeviceIDsFromVA_APIMediaAdapterINTEL) { + av_log(hwdev, AV_LOG_ERROR, "Failed to get address of " + "clGetDeviceIDsFromVA_APIMediaAdapterINTEL().\n"); + return AVERROR_UNKNOWN; + } + + cle = clGetDeviceIDsFromVA_APIMediaAdapterINTEL( + platform_id, CL_VA_API_DISPLAY_INTEL, va_display, + CL_PREFERRED_DEVICES_FOR_VA_API_INTEL, 0, NULL, nb_devices); + if (cle == CL_DEVICE_NOT_FOUND) { + av_log(hwdev, AV_LOG_DEBUG, "No VAAPI-supporting devices found " + "on platform \"%s\".\n", platform_name); + *nb_devices = 0; + return 0; + } else if (cle != CL_SUCCESS) { + av_log(hwdev, AV_LOG_ERROR, "Failed to get number of devices " + "on platform \"%s\": %d.\n", platform_name, cle); + return AVERROR_UNKNOWN; + } + + *devices = av_malloc_array(*nb_devices, sizeof(**devices)); + if (!*devices) + return AVERROR(ENOMEM); + + cle = clGetDeviceIDsFromVA_APIMediaAdapterINTEL( + platform_id, CL_VA_API_DISPLAY_INTEL, va_display, + CL_PREFERRED_DEVICES_FOR_VA_API_INTEL, *nb_devices, *devices, NULL); + if (cle != CL_SUCCESS) { + av_log(hwdev, AV_LOG_ERROR, "Failed to get list of VAAPI-supporting " + "devices on platform \"%s\": %d.\n", platform_name, cle); + av_freep(devices); + return AVERROR_UNKNOWN; + } + + return 0; +} + +static int opencl_filter_intel_media_vaapi_device(AVHWDeviceContext *hwdev, + cl_device_id device_id, + const char *device_name, + void *context) +{ + const char *va_ext = "cl_intel_va_api_media_sharing"; + + if (opencl_check_device_extension(device_id, va_ext)) { + return 0; + } else { + av_log(hwdev, AV_LOG_DEBUG, "Device %s does not support the " + "%s extension.\n", device_name, va_ext); + return 1; + } +} +#endif + static int opencl_device_derive(AVHWDeviceContext *hwdev, AVHWDeviceContext *src_ctx, int flags) @@ -687,6 +872,37 @@ static int opencl_device_derive(AVHWDeviceContext *hwdev, break; #endif +#if HAVE_OPENCL_VAAPI_INTEL_MEDIA + // The generic code automatically attempts to derive from all + // ancestors of the given device, so we can ignore QSV devices here + // and just consider the inner VAAPI device it was derived from. + case AV_HWDEVICE_TYPE_VAAPI: + { + AVVAAPIDeviceContext *src_hwctx = src_ctx->hwctx; + cl_context_properties props[7] = { + CL_CONTEXT_PLATFORM, + 0, + CL_CONTEXT_VA_API_DISPLAY_INTEL, + (intptr_t)src_hwctx->display, + CL_CONTEXT_INTEROP_USER_SYNC, + CL_FALSE, + 0, + }; + OpenCLDeviceSelector selector = { + .platform_index = -1, + .device_index = -1, + .context = src_hwctx->display, + .enumerate_platforms = &opencl_enumerate_platforms, + .filter_platform = &opencl_filter_intel_media_vaapi_platform, + .enumerate_devices = &opencl_enumerate_intel_media_vaapi_devices, + .filter_device = &opencl_filter_intel_media_vaapi_device, + }; + + err = opencl_device_create_internal(hwdev, &selector, props); + } + break; +#endif + default: err = AVERROR(ENOSYS); break; @@ -1525,6 +1741,142 @@ fail: #endif +static inline cl_mem_flags opencl_mem_flags_for_mapping(int map_flags) +{ + if ((map_flags & AV_HWFRAME_MAP_READ) && + (map_flags & AV_HWFRAME_MAP_WRITE)) + return CL_MEM_READ_WRITE; + else if (map_flags & AV_HWFRAME_MAP_READ) + return CL_MEM_READ_ONLY; + else if (map_flags & AV_HWFRAME_MAP_WRITE) + return CL_MEM_WRITE_ONLY; + else + return 0; +} + +#if HAVE_OPENCL_VAAPI_INTEL_MEDIA + +static void opencl_unmap_from_qsv(AVHWFramesContext *dst_fc, + HWMapDescriptor *hwmap) +{ + AVOpenCLFrameDescriptor *desc = hwmap->priv; + OpenCLDeviceContext *device_priv = dst_fc->device_ctx->internal->priv; + OpenCLFramesContext *frames_priv = dst_fc->internal->priv; + cl_event event; + cl_int cle; + int p; + + av_log(dst_fc, AV_LOG_DEBUG, "Unmap QSV/VAAPI surface from OpenCL.\n"); + + cle = device_priv->clEnqueueReleaseVA_APIMediaSurfacesINTEL( + frames_priv->command_queue, desc->nb_planes, desc->planes, + 0, NULL, &event); + if (cle != CL_SUCCESS) { + av_log(dst_fc, AV_LOG_ERROR, "Failed to release surface " + "handles: %d.\n", cle); + } + + opencl_wait_events(dst_fc, &event, 1); + + for (p = 0; p < desc->nb_planes; p++) { + cle = clReleaseMemObject(desc->planes[p]); + if (cle != CL_SUCCESS) { + av_log(dst_fc, AV_LOG_ERROR, "Failed to release CL " + "image of plane %d of QSV/VAAPI surface: %d\n", + p, cle); + } + } + + av_free(desc); +} + +static int opencl_map_from_qsv(AVHWFramesContext *dst_fc, AVFrame *dst, + const AVFrame *src, int flags) +{ + AVHWFramesContext *src_fc = + (AVHWFramesContext*)src->hw_frames_ctx->data; + AVOpenCLDeviceContext *dst_dev = dst_fc->device_ctx->hwctx; + OpenCLDeviceContext *device_priv = dst_fc->device_ctx->internal->priv; + OpenCLFramesContext *frames_priv = dst_fc->internal->priv; + AVOpenCLFrameDescriptor *desc; + VASurfaceID va_surface; + cl_mem_flags cl_flags; + cl_event event; + cl_int cle; + int err, p; + + if (src->format == AV_PIX_FMT_QSV) { + mfxFrameSurface1 *mfx_surface = (mfxFrameSurface1*)src->data[3]; + va_surface = *(VASurfaceID*)mfx_surface->Data.MemId; + } else if (src->format == AV_PIX_FMT_VAAPI) { + va_surface = (VASurfaceID)(uintptr_t)src->data[3]; + } else { + return AVERROR(ENOSYS); + } + + cl_flags = opencl_mem_flags_for_mapping(flags); + if (!cl_flags) + return AVERROR(EINVAL); + + av_log(src_fc, AV_LOG_DEBUG, "Map QSV/VAAPI surface %#x to " + "OpenCL.\n", va_surface); + + desc = av_mallocz(sizeof(*desc)); + if (!desc) + return AVERROR(ENOMEM); + + // The cl_intel_va_api_media_sharing extension only supports NV12 + // surfaces, so for now there are always exactly two planes. + desc->nb_planes = 2; + + for (p = 0; p < desc->nb_planes; p++) { + desc->planes[p] = + device_priv->clCreateFromVA_APIMediaSurfaceINTEL( + dst_dev->context, cl_flags, &va_surface, p, &cle); + if (!desc->planes[p]) { + av_log(dst_fc, AV_LOG_ERROR, "Failed to create CL " + "image from plane %d of QSV/VAAPI surface " + "%#x: %d.\n", p, va_surface, cle); + err = AVERROR(EIO); + goto fail; + } + + dst->data[p] = (uint8_t*)desc->planes[p]; + } + + cle = device_priv->clEnqueueAcquireVA_APIMediaSurfacesINTEL( + frames_priv->command_queue, desc->nb_planes, desc->planes, + 0, NULL, &event); + if (cle != CL_SUCCESS) { + av_log(dst_fc, AV_LOG_ERROR, "Failed to acquire surface " + "handles: %d.\n", cle); + err = AVERROR(EIO); + goto fail; + } + + err = opencl_wait_events(dst_fc, &event, 1); + if (err < 0) + goto fail; + + err = ff_hwframe_map_create(dst->hw_frames_ctx, dst, src, + &opencl_unmap_from_qsv, desc); + if (err < 0) + goto fail; + + dst->width = src->width; + dst->height = src->height; + + return 0; + +fail: + for (p = 0; p < desc->nb_planes; p++) + if (desc->planes[p]) + clReleaseMemObject(desc->planes[p]); + av_freep(&desc); + return err; +} + +#endif static int opencl_map_from(AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags) @@ -1546,6 +1898,12 @@ static int opencl_map_to(AVHWFramesContext *hwfc, AVFrame *dst, if (priv->vaapi_mapping_usable) return opencl_map_from_vaapi(hwfc, dst, src, flags); #endif +#if HAVE_OPENCL_VAAPI_INTEL_MEDIA + case AV_PIX_FMT_QSV: + case AV_PIX_FMT_VAAPI: + if (priv->qsv_mapping_usable) + return opencl_map_from_qsv(hwfc, dst, src, flags); +#endif } return AVERROR(ENOSYS); } @@ -1561,6 +1919,13 @@ static int opencl_frames_derive_to(AVHWFramesContext *dst_fc, return AVERROR(ENOSYS); break; #endif +#if HAVE_OPENCL_VAAPI_INTEL_MEDIA + case AV_HWDEVICE_TYPE_QSV: + case AV_HWDEVICE_TYPE_VAAPI: + if (!priv->qsv_mapping_usable) + return AVERROR(ENOSYS); + break; +#endif default: return AVERROR(ENOSYS); }