# HG changeset patch # User Sam Lantinga # Date 1255763098 0 # Node ID b312352d8c8d9e4a4f8231a32bbf05b1115ae18f # Parent 38f22ed3a4330120d41a5c43a1737309492ebaf7 Enable the ALSA debug code via environment variable diff -r 38f22ed3a433 -r b312352d8c8d src/audio/alsa/SDL_alsa_audio.c --- 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);