From 883e31d55b9265589e544c0b75a2367fd01c4d8b Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Wed, 25 Feb 2009 21:56:48 +0100 Subject: mvp: moved code to mvp_find_sample_rate() Moved the table lookup code to a separate function. --- src/output/mvp_plugin.c | 26 +++++++++++++++++--------- 1 file changed, 17 insertions(+), 9 deletions(-) (limited to 'src/output') diff --git a/src/output/mvp_plugin.c b/src/output/mvp_plugin.c index efa016f23..2bf79afad 100644 --- a/src/output/mvp_plugin.c +++ b/src/output/mvp_plugin.c @@ -83,6 +83,21 @@ static const unsigned mvp_sample_rates[][3] = { {15, 96000, 48000} }; +/** + * Translate a sample rate to a MVP sample rate. + * + * @param sample_rate the sample rate in Hz + */ +static unsigned +mvp_find_sample_rate(unsigned sample_rate) +{ + for (unsigned i = 0; i < G_N_ELEMENTS(mvp_sample_rates); ++i) + if (mvp_sample_rates[i][1] == sample_rate) + return mvp_sample_rates[i][0]; + + return (unsigned)-1; +} + static bool mvp_output_test_default_device(void) { @@ -121,7 +136,6 @@ mvp_output_finish(void *data) static bool mvp_set_pcm_params(struct mvp_data *md, struct audio_format *audio_format) { - unsigned iloop; unsigned mix[5]; switch (audio_format->channels) { @@ -165,14 +179,8 @@ mvp_set_pcm_params(struct mvp_data *md, struct audio_format *audio_format) /* * if there is an exact match for the frequency, use it. */ - for (iloop = 0; iloop < G_N_ELEMENTS(mvp_sample_rates); iloop++) { - if (audio_format->sample_rate == mvp_sample_rates[iloop][1]) { - mix[2] = mvp_sample_rates[iloop][0]; - break; - } - } - - if (iloop >= G_N_ELEMENTS(mvp_sample_rates)) { + mix[2] = mvp_find_sample_rate(audio_format->sample_rate); + if (mix[2] == (unsigned)-1) { g_warning("Can not find suitable output frequency for %u\n", audio_format->sample_rate); return false; -- cgit v1.2.3