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filter: add filter API

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The filter API is meant for making generic audio and video filters.
It's like a pw_stream but with many in/out ports and no conversion.
Eventually the pw_stream will be implemented with the filter.

Add some example audio and video filters.
This commit is contained in:
Wim Taymans 2019-10-29 11:59:58 +01:00
parent f7d32e78f2
commit b4b69473d3
9 changed files with 2362 additions and 3 deletions
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6
src/examples/sdl.h
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@ -77,7 +77,7 @@ static struct {
#endif
};
static uint32_t sdl_format_to_id(Uint32 format)
static inline uint32_t sdl_format_to_id(Uint32 format)
{
size_t i;
for (i = 0; i < SPA_N_ELEMENTS(sdl_video_formats); i++) {
@ -87,7 +87,7 @@ static uint32_t sdl_format_to_id(Uint32 format)
return SPA_VIDEO_FORMAT_UNKNOWN;
}
static Uint32 id_to_sdl_format(uint32_t id)
static inline Uint32 id_to_sdl_format(uint32_t id)
{
size_t i;
for (i = 0; i < SPA_N_ELEMENTS(sdl_video_formats); i++) {
@ -98,7 +98,7 @@ static Uint32 id_to_sdl_format(uint32_t id)
}
static struct spa_pod *sdl_build_formats(SDL_RendererInfo *info, struct spa_pod_builder *b)
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];