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Un-hardcode 44.1KHz settings from ALSA and iBasso PCM code

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Change-Id: I69a69dabc799f360b73b1cf252645bd4cde13715
This commit is contained in:
Solomon Peachy 2020-08-09 14:46:41 -04:00
parent 0d4752e3f6
commit 92d66f761f
2 changed files with 12 additions and 14 deletions
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2
firmware/target/hosted/ibasso/pcm-ibasso.c
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@ -310,7 +310,7 @@ void pcm_play_dma_init(void)
pcm_thread_run relies on this size match. See pcm_mixer.h.
*/
_config.channels = 2;
_config.rate = 44100;
_config.rate = pcm_sampr;
_config.period_size = 256;
_config.period_count = 4;
_config.format = PCM_FORMAT_S16_LE;

24
firmware/target/hosted/pcm-alsa.c
View file

@ -1,10 +1,10 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2010 Thomas Martitz
@ -77,9 +77,7 @@ static const snd_pcm_format_t format = SND_PCM_FORMAT_S16; /* sample format *
typedef short sample_t;
#endif
static const int channels = 2; /* count of channels */
static unsigned int rate = 44100; /* stream rate */
static snd_pcm_t *handle;
static snd_pcm_t *handle = NULL;
static snd_pcm_sframes_t buffer_size = MIX_FRAME_SAMPLES * 32; /* ~16k */
static snd_pcm_sframes_t period_size = MIX_FRAME_SAMPLES * 4; /* ~4k */
static sample_t *frames;
@ -136,12 +134,12 @@ static int set_hwparams(snd_pcm_t *handle, unsigned sample_rate)
err = snd_pcm_hw_params_set_rate_near(handle, params, &rrate, 0);
if (err < 0)
{
printf("Rate %iHz not available for playback: %s\n", rate, snd_strerror(err));
printf("Rate %iHz not available for playback: %s\n", sample_rate, snd_strerror(err));
goto error;
}
if (rrate != sample_rate)
{
printf("Rate doesn't match (requested %iHz, get %iHz)\n", sample_rate, err);
printf("Rate doesn't match (requested %iHz, get %iHz)\n", sample_rate, rrate);
err = -EINVAL;
goto error;
}
@ -359,7 +357,7 @@ static int async_rw(snd_pcm_t *handle)
DEBUGF("Unable to install alternative signal stack: %s", strerror(err));
return err;
}
err = snd_async_add_pcm_handler(&ahandler, handle, async_callback, NULL);
if (err < 0)
{
@ -430,7 +428,7 @@ void pcm_play_dma_init(void)
if ((err = snd_pcm_nonblock(handle, 1)))
panicf("Could not set non-block mode: %s\n", snd_strerror(err));
if ((err = set_hwparams(handle, rate)) < 0)
if ((err = set_hwparams(handle, pcm_sampr)) < 0)
{
panicf("Setting of hwparams failed: %s\n", snd_strerror(err));
}