diff options
Diffstat (limited to 'media/mozva/mozva.c')
| -rw-r--r-- | media/mozva/mozva.c | 456 |
1 files changed, 456 insertions, 0 deletions
diff --git a/media/mozva/mozva.c b/media/mozva/mozva.c new file mode 100644 index 0000000000..140dbd9c15 --- /dev/null +++ b/media/mozva/mozva.c @@ -0,0 +1,456 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:expandtab:shiftwidth=4:tabstop=4: + */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#pragma GCC visibility push(default) +#include <va/va.h> +#pragma GCC visibility pop + +#include "mozilla/Types.h" +#include <dlfcn.h> +#include <pthread.h> +#include <stdlib.h> + +#define GET_FUNC(func, lib) (func##Fn = dlsym(lib, #func)) + +#define IS_FUNC_LOADED(func) (func##Fn != NULL) + +static VAStatus (*vaDestroyBufferFn)(VADisplay dpy, VABufferID buffer_id); +static VAStatus (*vaBeginPictureFn)(VADisplay dpy, VAContextID context, + VASurfaceID render_target); +static VAStatus (*vaEndPictureFn)(VADisplay dpy, VAContextID context); +static VAStatus (*vaRenderPictureFn)(VADisplay dpy, VAContextID context, + VABufferID* buffers, int num_buffers); +static int (*vaMaxNumProfilesFn)(VADisplay dpy); +static VAStatus (*vaCreateContextFn)(VADisplay dpy, VAConfigID config_id, + int picture_width, int picture_height, + int flag, VASurfaceID* render_targets, + int num_render_targets, + VAContextID* context /* out */); +static VAStatus (*vaDestroyContextFn)(VADisplay dpy, VAContextID context); +static VAStatus (*vaCreateBufferFn)(VADisplay dpy, VAContextID context, + VABufferType type, /* in */ + unsigned int size, /* in */ + unsigned int num_elements, /* in */ + void* data, /* in */ + VABufferID* buf_id /* out */); +static VAStatus (*vaQuerySurfaceAttributesFn)(VADisplay dpy, VAConfigID config, + VASurfaceAttrib* attrib_list, + unsigned int* num_attribs); +static VAStatus (*vaQueryConfigProfilesFn)(VADisplay dpy, + VAProfile* profile_list, /* out */ + int* num_profiles /* out */); +static const char* (*vaErrorStrFn)(VAStatus error_status); +static VAStatus (*vaCreateConfigFn)(VADisplay dpy, VAProfile profile, + VAEntrypoint entrypoint, + VAConfigAttrib* attrib_list, + int num_attribs, + VAConfigID* config_id /* out */); +static VAStatus (*vaDestroyConfigFn)(VADisplay dpy, VAConfigID config_id); +static int (*vaMaxNumImageFormatsFn)(VADisplay dpy); +static VAStatus (*vaQueryImageFormatsFn)(VADisplay dpy, + VAImageFormat* format_list, /* out */ + int* num_formats /* out */); +static const char* (*vaQueryVendorStringFn)(VADisplay dpy); +static VAStatus (*vaDestroySurfacesFn)(VADisplay dpy, VASurfaceID* surfaces, + int num_surfaces); +static VAStatus (*vaCreateSurfacesFn)(VADisplay dpy, unsigned int format, + unsigned int width, unsigned int height, + VASurfaceID* surfaces, + unsigned int num_surfaces, + VASurfaceAttrib* attrib_list, + unsigned int num_attribs); +static VAStatus (*vaDeriveImageFn)(VADisplay dpy, VASurfaceID surface, + VAImage* image /* out */); +static VAStatus (*vaDestroyImageFn)(VADisplay dpy, VAImageID image); +static VAStatus (*vaPutImageFn)(VADisplay dpy, VASurfaceID surface, + VAImageID image, int src_x, int src_y, + unsigned int src_width, unsigned int src_height, + int dest_x, int dest_y, unsigned int dest_width, + unsigned int dest_height); +static VAStatus (*vaSyncSurfaceFn)(VADisplay dpy, VASurfaceID render_target); +static VAStatus (*vaCreateImageFn)(VADisplay dpy, VAImageFormat* format, + int width, int height, + VAImage* image /* out */); +static VAStatus (*vaGetImageFn)( + VADisplay dpy, VASurfaceID surface, + int x, /* coordinates of the upper left source pixel */ + int y, unsigned int width, /* width and height of the region */ + unsigned int height, VAImageID image); +static VAStatus (*vaMapBufferFn)(VADisplay dpy, VABufferID buf_id, /* in */ + void** pbuf /* out */); +static VAStatus (*vaUnmapBufferFn)(VADisplay dpy, VABufferID buf_id /* in */); +static VAStatus (*vaTerminateFn)(VADisplay dpy); +static VAStatus (*vaInitializeFn)(VADisplay dpy, int* major_version, /* out */ + int* minor_version /* out */); +static VAStatus (*vaSetDriverNameFn)(VADisplay dpy, char* driver_name); +static int (*vaMaxNumEntrypointsFn)(VADisplay dpy); +static VAStatus (*vaQueryConfigEntrypointsFn)(VADisplay dpy, VAProfile profile, + VAEntrypoint* entrypoint_list, + int* num_entrypoints); +static VAMessageCallback (*vaSetErrorCallbackFn)(VADisplay dpy, + VAMessageCallback callback, + void* user_context); +static VAMessageCallback (*vaSetInfoCallbackFn)(VADisplay dpy, + VAMessageCallback callback, + void* user_context); +int LoadVALibrary() { + static pthread_mutex_t sVALock = PTHREAD_MUTEX_INITIALIZER; + static void* sVALib = NULL; + static int sVAInitialized = 0; + static int sVALoaded = 0; + + pthread_mutex_lock(&sVALock); + + if (!sVAInitialized) { + sVAInitialized = 1; + sVALib = dlopen("libva.so.2", RTLD_LAZY); + if (!sVALib) { + pthread_mutex_unlock(&sVALock); + return 0; + } + GET_FUNC(vaDestroyBuffer, sVALib); + GET_FUNC(vaBeginPicture, sVALib); + GET_FUNC(vaEndPicture, sVALib); + GET_FUNC(vaRenderPicture, sVALib); + GET_FUNC(vaMaxNumProfiles, sVALib); + GET_FUNC(vaCreateContext, sVALib); + GET_FUNC(vaDestroyContext, sVALib); + GET_FUNC(vaCreateBuffer, sVALib); + GET_FUNC(vaQuerySurfaceAttributes, sVALib); + GET_FUNC(vaQueryConfigProfiles, sVALib); + GET_FUNC(vaErrorStr, sVALib); + GET_FUNC(vaCreateConfig, sVALib); + GET_FUNC(vaDestroyConfig, sVALib); + GET_FUNC(vaMaxNumImageFormats, sVALib); + GET_FUNC(vaQueryImageFormats, sVALib); + GET_FUNC(vaQueryVendorString, sVALib); + GET_FUNC(vaDestroySurfaces, sVALib); + GET_FUNC(vaCreateSurfaces, sVALib); + GET_FUNC(vaDeriveImage, sVALib); + GET_FUNC(vaDestroyImage, sVALib); + GET_FUNC(vaPutImage, sVALib); + GET_FUNC(vaSyncSurface, sVALib); + GET_FUNC(vaCreateImage, sVALib); + GET_FUNC(vaGetImage, sVALib); + GET_FUNC(vaMapBuffer, sVALib); + GET_FUNC(vaUnmapBuffer, sVALib); + GET_FUNC(vaTerminate, sVALib); + GET_FUNC(vaInitialize, sVALib); + GET_FUNC(vaSetDriverName, sVALib); + GET_FUNC(vaMaxNumEntrypoints, sVALib); + GET_FUNC(vaQueryConfigEntrypoints, sVALib); + GET_FUNC(vaSetErrorCallback, sVALib); + GET_FUNC(vaSetInfoCallback, sVALib); + + sVALoaded = + (IS_FUNC_LOADED(vaDestroyBuffer) && IS_FUNC_LOADED(vaBeginPicture) && + IS_FUNC_LOADED(vaEndPicture) && IS_FUNC_LOADED(vaRenderPicture) && + IS_FUNC_LOADED(vaMaxNumProfiles) && IS_FUNC_LOADED(vaCreateContext) && + IS_FUNC_LOADED(vaDestroyContext) && IS_FUNC_LOADED(vaCreateBuffer) && + IS_FUNC_LOADED(vaQuerySurfaceAttributes) && + IS_FUNC_LOADED(vaQueryConfigProfiles) && IS_FUNC_LOADED(vaErrorStr) && + IS_FUNC_LOADED(vaCreateConfig) && IS_FUNC_LOADED(vaDestroyConfig) && + IS_FUNC_LOADED(vaMaxNumImageFormats) && + IS_FUNC_LOADED(vaQueryImageFormats) && + IS_FUNC_LOADED(vaQueryVendorString) && + IS_FUNC_LOADED(vaDestroySurfaces) && + IS_FUNC_LOADED(vaCreateSurfaces) && IS_FUNC_LOADED(vaDeriveImage) && + IS_FUNC_LOADED(vaDestroyImage) && IS_FUNC_LOADED(vaPutImage) && + IS_FUNC_LOADED(vaSyncSurface) && IS_FUNC_LOADED(vaCreateImage) && + IS_FUNC_LOADED(vaGetImage) && IS_FUNC_LOADED(vaMapBuffer) && + IS_FUNC_LOADED(vaUnmapBuffer) && IS_FUNC_LOADED(vaTerminate) && + IS_FUNC_LOADED(vaInitialize) && IS_FUNC_LOADED(vaSetDriverName) && + IS_FUNC_LOADED(vaMaxNumEntrypoints) && + IS_FUNC_LOADED(vaQueryConfigEntrypoints) && + IS_FUNC_LOADED(vaSetErrorCallback) && + IS_FUNC_LOADED(vaSetInfoCallback)); + } + pthread_mutex_unlock(&sVALock); + return sVALoaded; +} + +#pragma GCC visibility push(default) + +VAStatus vaDestroyBuffer(VADisplay dpy, VABufferID buffer_id) { + if (LoadVALibrary()) { + return vaDestroyBufferFn(dpy, buffer_id); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaBeginPicture(VADisplay dpy, VAContextID context, + VASurfaceID render_target) { + if (LoadVALibrary()) { + return vaBeginPictureFn(dpy, context, render_target); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaEndPicture(VADisplay dpy, VAContextID context) { + if (LoadVALibrary()) { + return vaEndPictureFn(dpy, context); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaRenderPicture(VADisplay dpy, VAContextID context, + VABufferID* buffers, int num_buffers) { + if (LoadVALibrary()) { + return vaRenderPictureFn(dpy, context, buffers, num_buffers); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +int vaMaxNumProfiles(VADisplay dpy) { + if (LoadVALibrary()) { + return vaMaxNumProfilesFn(dpy); + } + return 0; +} + +VAStatus vaCreateContext(VADisplay dpy, VAConfigID config_id, int picture_width, + int picture_height, int flag, + VASurfaceID* render_targets, int num_render_targets, + VAContextID* context /* out */) { + if (LoadVALibrary()) { + return vaCreateContextFn(dpy, config_id, picture_width, picture_height, + flag, render_targets, num_render_targets, context); + } + *context = 0; + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaDestroyContext(VADisplay dpy, VAContextID context) { + if (LoadVALibrary()) { + return vaDestroyContextFn(dpy, context); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaCreateBuffer(VADisplay dpy, VAContextID context, + VABufferType type, /* in */ + unsigned int size, /* in */ + unsigned int num_elements, /* in */ + void* data, /* in */ + VABufferID* buf_id /* out */) { + if (LoadVALibrary()) { + return vaCreateBufferFn(dpy, context, type, size, num_elements, data, + buf_id); + } + *buf_id = 0; + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaQuerySurfaceAttributes(VADisplay dpy, VAConfigID config, + VASurfaceAttrib* attrib_list, + unsigned int* num_attribs) { + if (LoadVALibrary()) { + return vaQuerySurfaceAttributesFn(dpy, config, attrib_list, num_attribs); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaQueryConfigProfiles(VADisplay dpy, VAProfile* profile_list, /* out */ + int* num_profiles /* out */) { + if (LoadVALibrary()) { + return vaQueryConfigProfilesFn(dpy, profile_list, num_profiles); + } + *num_profiles = 0; + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +const char* vaErrorStr(VAStatus error_status) { + if (LoadVALibrary()) { + return vaErrorStrFn(error_status); + } + static char tmp[] = "Unimplemented"; + return tmp; +} + +VAStatus vaCreateConfig(VADisplay dpy, VAProfile profile, + VAEntrypoint entrypoint, VAConfigAttrib* attrib_list, + int num_attribs, VAConfigID* config_id /* out */) { + if (LoadVALibrary()) { + return vaCreateConfigFn(dpy, profile, entrypoint, attrib_list, num_attribs, + config_id); + } + *config_id = 0; + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaDestroyConfig(VADisplay dpy, VAConfigID config_id) { + if (LoadVALibrary()) { + return vaDestroyConfigFn(dpy, config_id); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +int vaMaxNumImageFormats(VADisplay dpy) { + if (LoadVALibrary()) { + return vaMaxNumImageFormatsFn(dpy); + } + return 0; +} + +VAStatus vaQueryImageFormats(VADisplay dpy, VAImageFormat* format_list, + int* num_formats) { + if (LoadVALibrary()) { + return vaQueryImageFormatsFn(dpy, format_list, num_formats); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +const char* vaQueryVendorString(VADisplay dpy) { + if (LoadVALibrary()) { + return vaQueryVendorStringFn(dpy); + } + return NULL; +} + +VAStatus vaDestroySurfaces(VADisplay dpy, VASurfaceID* surfaces, + int num_surfaces) { + if (LoadVALibrary()) { + return vaDestroySurfacesFn(dpy, surfaces, num_surfaces); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaCreateSurfaces(VADisplay dpy, unsigned int format, + unsigned int width, unsigned int height, + VASurfaceID* surfaces, unsigned int num_surfaces, + VASurfaceAttrib* attrib_list, + unsigned int num_attribs) { + if (LoadVALibrary()) { + return vaCreateSurfacesFn(dpy, format, width, height, surfaces, + num_surfaces, attrib_list, num_attribs); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaDeriveImage(VADisplay dpy, VASurfaceID surface, + VAImage* image /* out */) { + if (LoadVALibrary()) { + return vaDeriveImageFn(dpy, surface, image); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaDestroyImage(VADisplay dpy, VAImageID image) { + if (LoadVALibrary()) { + return vaDestroyImageFn(dpy, image); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaPutImage(VADisplay dpy, VASurfaceID surface, VAImageID image, + int src_x, int src_y, unsigned int src_width, + unsigned int src_height, int dest_x, int dest_y, + unsigned int dest_width, unsigned int dest_height) { + if (LoadVALibrary()) { + return vaPutImageFn(dpy, surface, image, src_x, src_y, src_width, + src_height, dest_x, dest_y, dest_width, dest_height); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaSyncSurface(VADisplay dpy, VASurfaceID render_target) { + if (LoadVALibrary()) { + return vaSyncSurfaceFn(dpy, render_target); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaCreateImage(VADisplay dpy, VAImageFormat* format, int width, + int height, VAImage* image /* out */) { + if (LoadVALibrary()) { + return vaCreateImageFn(dpy, format, width, height, image); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaGetImage(VADisplay dpy, VASurfaceID surface, + int x, /* coordinates of the upper left source pixel */ + int y, + unsigned int width, /* width and height of the region */ + unsigned int height, VAImageID image) { + if (LoadVALibrary()) { + return vaGetImageFn(dpy, surface, x, y, width, height, image); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaMapBuffer(VADisplay dpy, VABufferID buf_id, /* in */ + void** pbuf /* out */) { + if (LoadVALibrary()) { + return vaMapBufferFn(dpy, buf_id, pbuf); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaUnmapBuffer(VADisplay dpy, VABufferID buf_id /* in */) { + if (LoadVALibrary()) { + return vaUnmapBufferFn(dpy, buf_id); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaTerminate(VADisplay dpy) { + if (LoadVALibrary()) { + return vaTerminateFn(dpy); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaInitialize(VADisplay dpy, int* major_version, /* out */ + int* minor_version /* out */) { + if (LoadVALibrary()) { + return vaInitializeFn(dpy, major_version, minor_version); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAStatus vaSetDriverName(VADisplay dpy, char* driver_name) { + if (LoadVALibrary()) { + return vaSetDriverNameFn(dpy, driver_name); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +int vaMaxNumEntrypoints(VADisplay dpy) { + if (LoadVALibrary()) { + return vaMaxNumEntrypointsFn(dpy); + } + return 0; +} + +VAStatus vaQueryConfigEntrypoints(VADisplay dpy, VAProfile profile, + VAEntrypoint* entrypoint_list, + int* num_entrypoints) { + if (LoadVALibrary()) { + return vaQueryConfigEntrypointsFn(dpy, profile, entrypoint_list, + num_entrypoints); + } + return VA_STATUS_ERROR_UNIMPLEMENTED; +} + +VAMessageCallback vaSetErrorCallback(VADisplay dpy, VAMessageCallback callback, + void* user_context) { + if (LoadVALibrary()) { + return vaSetErrorCallbackFn(dpy, callback, user_context); + } + return NULL; +} + +VAMessageCallback vaSetInfoCallback(VADisplay dpy, VAMessageCallback callback, + void* user_context) { + if (LoadVALibrary()) { + return vaSetInfoCallbackFn(dpy, callback, user_context); + } + return NULL; +} + +#pragma GCC visibility pop |