From d66bddd7a4535cca3fc9e98c3195a7411779693c Mon Sep 17 00:00:00 2001 From: Michael Walle Date: Sat, 8 Jan 2011 17:53:30 +0100 Subject: alsaaudio: add endianness support for VoiceIn Signed-off-by: Michael Walle Signed-off-by: malc --- audio/alsaaudio.c | 34 +++++++++++++++++++++++++++------- 1 file changed, 27 insertions(+), 7 deletions(-) (limited to 'audio') diff --git a/audio/alsaaudio.c b/audio/alsaaudio.c index 07412030c2..727b9f84c3 100644 --- a/audio/alsaaudio.c +++ b/audio/alsaaudio.c @@ -318,7 +318,7 @@ static int alsa_write (SWVoiceOut *sw, void *buf, int len) return audio_pcm_sw_write (sw, buf, len); } -static snd_pcm_format_t aud_to_alsafmt (audfmt_e fmt) +static snd_pcm_format_t aud_to_alsafmt (audfmt_e fmt, int endianness) { switch (fmt) { case AUD_FMT_S8: @@ -328,16 +328,36 @@ static snd_pcm_format_t aud_to_alsafmt (audfmt_e fmt) return SND_PCM_FORMAT_U8; case AUD_FMT_S16: - return SND_PCM_FORMAT_S16_LE; + if (endianness) { + return SND_PCM_FORMAT_S16_BE; + } + else { + return SND_PCM_FORMAT_S16_LE; + } case AUD_FMT_U16: - return SND_PCM_FORMAT_U16_LE; + if (endianness) { + return SND_PCM_FORMAT_U16_BE; + } + else { + return SND_PCM_FORMAT_U16_LE; + } case AUD_FMT_S32: - return SND_PCM_FORMAT_S32_LE; + if (endianness) { + return SND_PCM_FORMAT_S32_BE; + } + else { + return SND_PCM_FORMAT_S32_LE; + } case AUD_FMT_U32: - return SND_PCM_FORMAT_U32_LE; + if (endianness) { + return SND_PCM_FORMAT_U32_BE; + } + else { + return SND_PCM_FORMAT_U32_LE; + } default: dolog ("Internal logic error: Bad audio format %d\n", fmt); @@ -809,7 +829,7 @@ static int alsa_init_out (HWVoiceOut *hw, struct audsettings *as) snd_pcm_t *handle; struct audsettings obt_as; - req.fmt = aud_to_alsafmt (as->fmt); + req.fmt = aud_to_alsafmt (as->fmt, as->endianness); req.freq = as->freq; req.nchannels = as->nchannels; req.period_size = conf.period_size_out; @@ -918,7 +938,7 @@ static int alsa_init_in (HWVoiceIn *hw, struct audsettings *as) snd_pcm_t *handle; struct audsettings obt_as; - req.fmt = aud_to_alsafmt (as->fmt); + req.fmt = aud_to_alsafmt (as->fmt, as->endianness); req.freq = as->freq; req.nchannels = as->nchannels; req.period_size = conf.period_size_in; -- cgit v1.2.1