Binding of SDL_mixer for PHP
SDL_mixer extension for PHP provides the binding of functions for audio loading, playing and mixing.
- Fix SDL extension dependency (remicollet)
- Add workaround for Mix_HasMusicDecoder where not available (remicollet)
- Properly init/quit sdl_mixer library (remicollet)
- Improve phpinfo with Mix_Init supported flags (remicollet)
- Add missing 'src' build directory in config.m4 (kea)