/* PipeWire * * Copyright © 2018 Wim Taymans * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ /* [title] SDL2 video format conversions [title] */ #include #include #include #include #include static struct { Uint32 format; uint32_t id; } sdl_video_formats[] = { #if SDL_BYTEORDER == SDL_BIG_ENDIAN { SDL_PIXELFORMAT_UNKNOWN, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_INDEX1LSB, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_UNKNOWN, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_INDEX1LSB, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_INDEX1MSB, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_INDEX4LSB, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_INDEX4MSB, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_INDEX8, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGB332, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGB444, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGB555, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_BGR555, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_ARGB4444, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGBA4444, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_ABGR4444, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_BGRA4444, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_ARGB1555, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGBA5551, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_ABGR1555, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_BGRA5551, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGB565, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_BGR565, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGB24, SPA_VIDEO_FORMAT_RGB,}, { SDL_PIXELFORMAT_RGB888, SPA_VIDEO_FORMAT_RGB,}, { SDL_PIXELFORMAT_RGBX8888, SPA_VIDEO_FORMAT_RGBx,}, { SDL_PIXELFORMAT_BGR24, SPA_VIDEO_FORMAT_BGR,}, { SDL_PIXELFORMAT_BGR888, SPA_VIDEO_FORMAT_BGR,}, { SDL_PIXELFORMAT_BGRX8888, SPA_VIDEO_FORMAT_BGRx,}, { SDL_PIXELFORMAT_ARGB2101010, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGBA8888, SPA_VIDEO_FORMAT_RGBA,}, { SDL_PIXELFORMAT_ARGB8888, SPA_VIDEO_FORMAT_ARGB,}, { SDL_PIXELFORMAT_BGRA8888, SPA_VIDEO_FORMAT_BGRA,}, { SDL_PIXELFORMAT_ABGR8888, SPA_VIDEO_FORMAT_ABGR,}, { SDL_PIXELFORMAT_YV12, SPA_VIDEO_FORMAT_YV12,}, { SDL_PIXELFORMAT_IYUV, SPA_VIDEO_FORMAT_I420,}, { SDL_PIXELFORMAT_YUY2, SPA_VIDEO_FORMAT_YUY2,}, { SDL_PIXELFORMAT_UYVY, SPA_VIDEO_FORMAT_UYVY,}, { SDL_PIXELFORMAT_YVYU, SPA_VIDEO_FORMAT_YVYU,}, #if SDL_VERSION_ATLEAST(2,0,4) { SDL_PIXELFORMAT_NV12, SPA_VIDEO_FORMAT_NV12,}, { SDL_PIXELFORMAT_NV21, SPA_VIDEO_FORMAT_NV21,}, #endif #else { SDL_PIXELFORMAT_UNKNOWN, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_INDEX1LSB, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_UNKNOWN, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_INDEX1LSB, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_INDEX1MSB, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_INDEX4LSB, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_INDEX4MSB, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_INDEX8, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGB332, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGB444, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGB555, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_BGR555, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_ARGB4444, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGBA4444, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_ABGR4444, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_BGRA4444, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_ARGB1555, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGBA5551, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_ABGR1555, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_BGRA5551, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGB565, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_BGR565, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGB24, SPA_VIDEO_FORMAT_BGR,}, { SDL_PIXELFORMAT_RGB888, SPA_VIDEO_FORMAT_BGR,}, { SDL_PIXELFORMAT_RGBX8888, SPA_VIDEO_FORMAT_xBGR,}, { SDL_PIXELFORMAT_BGR24, SPA_VIDEO_FORMAT_RGB,}, { SDL_PIXELFORMAT_BGR888, SPA_VIDEO_FORMAT_RGB,}, { SDL_PIXELFORMAT_BGRX8888, SPA_VIDEO_FORMAT_xRGB,}, { SDL_PIXELFORMAT_ARGB2101010, SPA_VIDEO_FORMAT_UNKNOWN,}, { SDL_PIXELFORMAT_RGBA8888, SPA_VIDEO_FORMAT_ABGR,}, { SDL_PIXELFORMAT_ARGB8888, SPA_VIDEO_FORMAT_BGRA,}, { SDL_PIXELFORMAT_BGRA8888, SPA_VIDEO_FORMAT_ARGB,}, { SDL_PIXELFORMAT_ABGR8888, SPA_VIDEO_FORMAT_RGBA,}, { SDL_PIXELFORMAT_YV12, SPA_VIDEO_FORMAT_YV12,}, { SDL_PIXELFORMAT_IYUV, SPA_VIDEO_FORMAT_I420,}, { SDL_PIXELFORMAT_YUY2, SPA_VIDEO_FORMAT_YUY2,}, { SDL_PIXELFORMAT_UYVY, SPA_VIDEO_FORMAT_UYVY,}, { SDL_PIXELFORMAT_YVYU, SPA_VIDEO_FORMAT_YVYU,}, #if SDL_VERSION_ATLEAST(2,0,4) { SDL_PIXELFORMAT_NV12, SPA_VIDEO_FORMAT_NV12,}, { SDL_PIXELFORMAT_NV21, SPA_VIDEO_FORMAT_NV21,}, #endif #endif }; static inline uint32_t sdl_format_to_id(Uint32 format) { SPA_FOR_EACH_ELEMENT_VAR(sdl_video_formats, f) { if (f->format == format) return f->id; } return SPA_VIDEO_FORMAT_UNKNOWN; } static inline Uint32 id_to_sdl_format(uint32_t id) { SPA_FOR_EACH_ELEMENT_VAR(sdl_video_formats, f) { if (f->id == id) return f->format; } return SDL_PIXELFORMAT_UNKNOWN; } static inline struct spa_pod *sdl_build_formats(SDL_RendererInfo *info, struct spa_pod_builder *b) { uint32_t i, c; struct spa_pod_frame f[2]; /* make an object of type SPA_TYPE_OBJECT_Format and id SPA_PARAM_EnumFormat. * The object type is important because it defines the properties that are * acceptable. The id gives more context about what the object is meant to * contain. In this case we enumerate supported formats. */ spa_pod_builder_push_object(b, &f[0], SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat); /* add media type and media subtype properties */ spa_pod_builder_prop(b, SPA_FORMAT_mediaType, 0); spa_pod_builder_id(b, SPA_MEDIA_TYPE_video); spa_pod_builder_prop(b, SPA_FORMAT_mediaSubtype, 0); spa_pod_builder_id(b, SPA_MEDIA_SUBTYPE_raw); /* build an enumeration of formats */ spa_pod_builder_prop(b, SPA_FORMAT_VIDEO_format, 0); spa_pod_builder_push_choice(b, &f[1], SPA_CHOICE_Enum, 0); /* first the formats supported by the textures */ for (i = 0, c = 0; i < info->num_texture_formats; i++) { uint32_t id = sdl_format_to_id(info->texture_formats[i]); if (id == 0) continue; if (c++ == 0) spa_pod_builder_id(b, id); spa_pod_builder_id(b, id); } /* then all the other ones SDL can convert from/to */ SPA_FOR_EACH_ELEMENT_VAR(sdl_video_formats, f) { uint32_t id = f->id; if (id != SPA_VIDEO_FORMAT_UNKNOWN) spa_pod_builder_id(b, id); } spa_pod_builder_id(b, SPA_VIDEO_FORMAT_RGBA_F32); spa_pod_builder_pop(b, &f[1]); /* add size and framerate ranges */ spa_pod_builder_add(b, SPA_FORMAT_VIDEO_size, SPA_POD_CHOICE_RANGE_Rectangle( &SPA_RECTANGLE(WIDTH, HEIGHT), &SPA_RECTANGLE(1,1), &SPA_RECTANGLE(info->max_texture_width, info->max_texture_height)), SPA_FORMAT_VIDEO_framerate, SPA_POD_CHOICE_RANGE_Fraction( &SPA_FRACTION(25,1), &SPA_FRACTION(0,1), &SPA_FRACTION(30,1)), 0); return spa_pod_builder_pop(b, &f[0]); }