From 4d9eeb32b9a29e99e5f72d939d158929c25bd3bf Mon Sep 17 00:00:00 2001 From: Sam Lantinga Date: Sat, 17 Oct 2009 07:04:58 +0000 Subject: [PATCH] Enable the ALSA debug code via environment variable --- src/audio/alsa/SDL_alsa_audio.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/src/audio/alsa/SDL_alsa_audio.c b/src/audio/alsa/SDL_alsa_audio.c index df803b644..54a29c590 100644 --- a/src/audio/alsa/SDL_alsa_audio.c +++ b/src/audio/alsa/SDL_alsa_audio.c @@ -507,16 +507,18 @@ static int ALSA_OpenAudio(_THIS, SDL_AudioSpec *spec) 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); - - fprintf(stderr, "ALSA: period size = %ld, periods = %u, buffer size = %lu\n", persize, periods, bufsize); -} -#endif + /* 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; + + 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);