diff --git a/core/oslib/audiobackend_alsa.cpp b/core/oslib/audiobackend_alsa.cpp index 52223d895..47c4f348c 100644 --- a/core/oslib/audiobackend_alsa.cpp +++ b/core/oslib/audiobackend_alsa.cpp @@ -62,7 +62,7 @@ static void alsa_init() if (rc < 0) { - fprintf(stderr, "unable to open PCM device %s: %s\n", device.c_str(), snd_strerror(rc)); + fprintf(stderr, "ALSA: unable to open PCM device %s: %s\n", device.c_str(), snd_strerror(rc)); return; } @@ -75,7 +75,7 @@ static void alsa_init() rc=snd_pcm_hw_params_any(handle, params); if (rc < 0) { - fprintf(stderr, "Error:snd_pcm_hw_params_any %s\n", snd_strerror(rc)); + fprintf(stderr, "ALSA: Error:snd_pcm_hw_params_any %s\n", snd_strerror(rc)); return; } @@ -85,7 +85,7 @@ static void alsa_init() rc=snd_pcm_hw_params_set_access(handle, params, SND_PCM_ACCESS_RW_INTERLEAVED); if (rc < 0) { - fprintf(stderr, "Error:snd_pcm_hw_params_set_access %s\n", snd_strerror(rc)); + fprintf(stderr, "ALSA: Error:snd_pcm_hw_params_set_access %s\n", snd_strerror(rc)); return; } @@ -93,7 +93,7 @@ static void alsa_init() rc=snd_pcm_hw_params_set_format(handle, params, SND_PCM_FORMAT_S16_LE); if (rc < 0) { - fprintf(stderr, "Error:snd_pcm_hw_params_set_format %s\n", snd_strerror(rc)); + fprintf(stderr, "ALSA: Error:snd_pcm_hw_params_set_format %s\n", snd_strerror(rc)); return; } @@ -101,7 +101,7 @@ static void alsa_init() rc=snd_pcm_hw_params_set_channels(handle, params, 2); if (rc < 0) { - fprintf(stderr, "Error:snd_pcm_hw_params_set_channels %s\n", snd_strerror(rc)); + fprintf(stderr, "ALSA: Error:snd_pcm_hw_params_set_channels %s\n", snd_strerror(rc)); return; } @@ -110,7 +110,7 @@ static void alsa_init() rc=snd_pcm_hw_params_set_rate_near(handle, params, &val, &dir); if (rc < 0) { - fprintf(stderr, "Error:snd_pcm_hw_params_set_rate_near %s\n", snd_strerror(rc)); + fprintf(stderr, "ALSA: Error:snd_pcm_hw_params_set_rate_near %s\n", snd_strerror(rc)); return; } @@ -119,26 +119,31 @@ static void alsa_init() rc=snd_pcm_hw_params_set_period_size_near(handle, params, &period_size, &dir); if (rc < 0) { - fprintf(stderr, "Error:snd_pcm_hw_params_set_buffer_size_near %s\n", snd_strerror(rc)); + fprintf(stderr, "ALSA: Error:snd_pcm_hw_params_set_buffer_size_near %s\n", snd_strerror(rc)); return; } else + { printf("ALSA: period size set to %ld\n", period_size); + } + buffer_size = (44100 * 100 /* settings.omx.Audio_Latency */ / 1000 / period_size + 1) * period_size; rc=snd_pcm_hw_params_set_buffer_size_near(handle, params, &buffer_size); if (rc < 0) { - fprintf(stderr, "Error:snd_pcm_hw_params_set_buffer_size_near %s\n", snd_strerror(rc)); + fprintf(stderr, "ALSA: Error:snd_pcm_hw_params_set_buffer_size_near %s\n", snd_strerror(rc)); return; } else + { printf("ALSA: buffer size set to %ld\n", buffer_size); + } /* Write the parameters to the driver */ rc = snd_pcm_hw_params(handle, params); if (rc < 0) { - fprintf(stderr, "Unable to set hw parameters: %s\n", snd_strerror(rc)); + fprintf(stderr, "ALSA: Unable to set hw parameters: %s\n", snd_strerror(rc)); return; } }