Mercurial > sdl-ios-xcode
diff src/audio/alsa/SDL_alsa_audio.c @ 4348:b312352d8c8d SDL-1.2
Enable the ALSA debug code via environment variable
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 17 Oct 2009 07:04:58 +0000 |
| parents | 38f22ed3a433 |
| children | 471dac4b41dd |
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--- a/src/audio/alsa/SDL_alsa_audio.c Sat Oct 17 06:55:17 2009 +0000 +++ b/src/audio/alsa/SDL_alsa_audio.c Sat Oct 17 07:04:58 2009 +0000 @@ -507,16 +507,18 @@ return(-1); } -/* This is useful for debugging... */ -#ifdef DEBUG_PERIOD_SIZE -{ snd_pcm_uframes_t bufsize; snd_pcm_sframes_t persize; unsigned int periods; int dir; - SDL_NAME(snd_pcm_hw_params_get_buffer_size)(hwparams, &bufsize); - SDL_NAME(snd_pcm_hw_params_get_period_size)(hwparams, &persize, &dir); - SDL_NAME(snd_pcm_hw_params_get_periods)(hwparams, &periods, &dir); + /* This is useful for debugging */ + if (getenv("SDL_AUDIO_ALSA_DEBUG_PERIOD_SIZE")) { + snd_pcm_uframes_t bufsize; + snd_pcm_sframes_t persize; + unsigned int periods; int dir; - fprintf(stderr, "ALSA: period size = %ld, periods = %u, buffer size = %lu\n", persize, periods, bufsize); -} -#endif + SDL_NAME(snd_pcm_hw_params_get_buffer_size)(hwparams, &bufsize); + SDL_NAME(snd_pcm_hw_params_get_period_size)(hwparams, &persize, &dir); + SDL_NAME(snd_pcm_hw_params_get_periods)(hwparams, &periods, &dir); + + fprintf(stderr, "ALSA: period size = %ld, periods = %u, buffer size = %lu\n", persize, periods, bufsize); + } /* Set the software parameters */ snd_pcm_sw_params_alloca(&swparams);