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/* 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 <SDL2/SDL.h>
#include <spa/utils/type.h>
#include <spa/pod/builder.h>
#include <spa/param/video/raw.h>
#include <spa/param/video/format.h>
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]);
}
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