diff options
Diffstat (limited to 'src/pcm/pcm_rate.c')
| -rw-r--r-- | src/pcm/pcm_rate.c | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/src/pcm/pcm_rate.c b/src/pcm/pcm_rate.c index 9ba36eed..e8815e8b 100644 --- a/src/pcm/pcm_rate.c +++ b/src/pcm/pcm_rate.c @@ -1282,6 +1282,32 @@ static int snd_pcm_rate_close(snd_pcm_t *pcm) return snd_pcm_generic_close(pcm); } +/** + * \brief Convert rate pcm frames to corresponding rate slave pcm frames + * \param pcm PCM handle + * \param frames Frames to be converted to slave frames + * \retval Corresponding slave frames +*/ +static snd_pcm_uframes_t snd_pcm_rate_slave_frames(snd_pcm_t *pcm, snd_pcm_uframes_t frames) +{ + snd_pcm_uframes_t sframes; + snd_pcm_rate_t *rate = pcm->private_data; + + if (pcm->stream == SND_PCM_STREAM_PLAYBACK) + sframes = rate->ops.output_frames(rate->obj, frames); + else + sframes = rate->ops.input_frames(rate->obj, frames); + + return sframes; +} + +static int snd_pcm_rate_may_wait_for_avail_min(snd_pcm_t *pcm, + snd_pcm_uframes_t avail) +{ + return snd_pcm_plugin_may_wait_for_avail_min_conv(pcm, avail, + snd_pcm_rate_slave_frames); +} + static const snd_pcm_fast_ops_t snd_pcm_rate_fast_ops = { .status = snd_pcm_rate_status, .state = snd_pcm_rate_state, @@ -1308,7 +1334,7 @@ static const snd_pcm_fast_ops_t snd_pcm_rate_fast_ops = { .poll_descriptors_count = snd_pcm_generic_poll_descriptors_count, .poll_descriptors = snd_pcm_generic_poll_descriptors, .poll_revents = snd_pcm_rate_poll_revents, - .may_wait_for_avail_min = snd_pcm_plugin_may_wait_for_avail_min, + .may_wait_for_avail_min = snd_pcm_rate_may_wait_for_avail_min, }; static const snd_pcm_ops_t snd_pcm_rate_ops = { @@ -1343,25 +1369,6 @@ const snd_config_t *snd_pcm_rate_get_default_converter(snd_config_t *root) return NULL; } -/** - * \brief Convert rate pcm frames to corresponding rate slave pcm frames - * \param pcm PCM handle - * \param frames Frames to be converted to slave frames - * \retval Corresponding slave frames -*/ -snd_pcm_uframes_t snd_pcm_rate_slave_frames(snd_pcm_t *pcm, snd_pcm_uframes_t frames) -{ - snd_pcm_uframes_t sframes; - snd_pcm_rate_t *rate = pcm->private_data; - - if (pcm->stream == SND_PCM_STREAM_PLAYBACK) - sframes = rate->ops.output_frames(rate->obj, frames); - else - sframes = rate->ops.input_frames(rate->obj, frames); - - return sframes; -} - static void rate_initial_setup(snd_pcm_rate_t *rate) { if (rate->plugin_version == SND_PCM_RATE_PLUGIN_VERSION) |