mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-11-02 09:01:48 -05:00
New PCM model with fragment concept removal and two interrupt sources
Renamed size_t/ssize_t to snd_pcm_sframes_t/snd_pcm_uframes_t
This commit is contained in:
parent
7b06e6f762
commit
cc90e32557
29 changed files with 2433 additions and 1906 deletions
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@ -88,10 +88,10 @@ int snd_pcm_plugin_state(snd_pcm_t *pcm)
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return snd_pcm_state(plugin->slave);
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}
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int snd_pcm_plugin_delay(snd_pcm_t *pcm, ssize_t *delayp)
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int snd_pcm_plugin_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
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{
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snd_pcm_plugin_t *plugin = pcm->private;
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ssize_t sd;
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snd_pcm_sframes_t sd;
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int err = snd_pcm_delay(plugin->slave, &sd);
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if (err < 0)
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return err;
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@ -157,18 +157,18 @@ int snd_pcm_plugin_pause(snd_pcm_t *pcm, int enable)
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return snd_pcm_pause(plugin->slave, enable);
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}
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ssize_t snd_pcm_plugin_rewind(snd_pcm_t *pcm, size_t frames)
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snd_pcm_sframes_t snd_pcm_plugin_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
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{
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snd_pcm_plugin_t *plugin = pcm->private;
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ssize_t n = snd_pcm_mmap_hw_avail(pcm);
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snd_pcm_sframes_t n = snd_pcm_mmap_hw_avail(pcm);
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assert(n >= 0);
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if (n > 0) {
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if ((size_t)n > frames)
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if ((snd_pcm_uframes_t)n > frames)
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n = frames;
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frames -= n;
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}
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if (frames > 0) {
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ssize_t err;
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snd_pcm_sframes_t err;
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/* FIXME: rate plugin */
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if (plugin->slave_frames)
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frames = plugin->slave_frames(pcm, frames);
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@ -188,11 +188,11 @@ ssize_t snd_pcm_plugin_rewind(snd_pcm_t *pcm, size_t frames)
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return n;
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}
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ssize_t snd_pcm_plugin_writei(snd_pcm_t *pcm, const void *buffer, size_t size)
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snd_pcm_sframes_t snd_pcm_plugin_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size)
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{
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snd_pcm_plugin_t *plugin = pcm->private;
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snd_pcm_channel_area_t areas[pcm->channels];
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ssize_t frames;
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snd_pcm_sframes_t frames;
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snd_pcm_areas_from_buf(pcm, areas, (void*)buffer);
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frames = snd_pcm_write_areas(pcm, areas, 0, size, plugin->write);
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if (frames > 0)
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@ -200,11 +200,11 @@ ssize_t snd_pcm_plugin_writei(snd_pcm_t *pcm, const void *buffer, size_t size)
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return frames;
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}
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ssize_t snd_pcm_plugin_writen(snd_pcm_t *pcm, void **bufs, size_t size)
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snd_pcm_sframes_t snd_pcm_plugin_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
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{
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snd_pcm_plugin_t *plugin = pcm->private;
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snd_pcm_channel_area_t areas[pcm->channels];
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ssize_t frames;
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snd_pcm_sframes_t frames;
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snd_pcm_areas_from_bufs(pcm, areas, bufs);
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frames = snd_pcm_write_areas(pcm, areas, 0, size, plugin->write);
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if (frames > 0)
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@ -212,11 +212,11 @@ ssize_t snd_pcm_plugin_writen(snd_pcm_t *pcm, void **bufs, size_t size)
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return frames;
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}
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ssize_t snd_pcm_plugin_readi(snd_pcm_t *pcm, void *buffer, size_t size)
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snd_pcm_sframes_t snd_pcm_plugin_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size)
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{
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snd_pcm_plugin_t *plugin = pcm->private;
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snd_pcm_channel_area_t areas[pcm->channels];
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ssize_t frames;
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snd_pcm_sframes_t frames;
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snd_pcm_areas_from_buf(pcm, areas, buffer);
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frames = snd_pcm_read_areas(pcm, areas, 0, size, plugin->read);
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if (frames > 0)
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@ -224,11 +224,11 @@ ssize_t snd_pcm_plugin_readi(snd_pcm_t *pcm, void *buffer, size_t size)
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return frames;
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}
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ssize_t snd_pcm_plugin_readn(snd_pcm_t *pcm, void **bufs, size_t size)
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snd_pcm_sframes_t snd_pcm_plugin_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
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{
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snd_pcm_plugin_t *plugin = pcm->private;
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snd_pcm_channel_area_t areas[pcm->channels];
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ssize_t frames;
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snd_pcm_sframes_t frames;
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snd_pcm_areas_from_bufs(pcm, areas, bufs);
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frames = snd_pcm_read_areas(pcm, areas, 0, size, plugin->read);
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if (frames > 0)
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@ -236,14 +236,14 @@ ssize_t snd_pcm_plugin_readn(snd_pcm_t *pcm, void **bufs, size_t size)
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return frames;
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}
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ssize_t snd_pcm_plugin_mmap_forward(snd_pcm_t *pcm, size_t client_size)
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snd_pcm_sframes_t snd_pcm_plugin_mmap_forward(snd_pcm_t *pcm, snd_pcm_uframes_t client_size)
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{
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snd_pcm_plugin_t *plugin = pcm->private;
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snd_pcm_t *slave = plugin->slave;
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size_t client_xfer = 0;
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size_t slave_xfer = 0;
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ssize_t err = 0;
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ssize_t slave_size;
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snd_pcm_uframes_t client_xfer = 0;
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snd_pcm_uframes_t slave_xfer = 0;
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snd_pcm_sframes_t err = 0;
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snd_pcm_sframes_t slave_size;
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if (pcm->stream == SND_PCM_STREAM_CAPTURE) {
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snd_pcm_mmap_appl_forward(pcm, client_size);
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// snd_pcm_plugin_avail_update(pcm);
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@ -253,11 +253,11 @@ ssize_t snd_pcm_plugin_mmap_forward(snd_pcm_t *pcm, size_t client_size)
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if (slave_size <= 0)
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return slave_size;
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while (client_xfer < client_size &&
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slave_xfer < (size_t)slave_size) {
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size_t slave_frames = slave_size - slave_xfer;
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size_t client_frames = client_size - client_xfer;
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size_t offset = snd_pcm_mmap_hw_offset(pcm);
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size_t cont = pcm->buffer_size - offset;
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slave_xfer < (snd_pcm_uframes_t)slave_size) {
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snd_pcm_uframes_t slave_frames = slave_size - slave_xfer;
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snd_pcm_uframes_t client_frames = client_size - client_xfer;
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snd_pcm_uframes_t offset = snd_pcm_mmap_hw_offset(pcm);
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snd_pcm_uframes_t cont = pcm->buffer_size - offset;
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if (cont < client_frames)
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client_frames = cont;
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err = plugin->write(pcm, pcm->running_areas, offset,
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@ -273,15 +273,15 @@ ssize_t snd_pcm_plugin_mmap_forward(snd_pcm_t *pcm, size_t client_size)
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return err;
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}
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ssize_t snd_pcm_plugin_avail_update(snd_pcm_t *pcm)
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snd_pcm_sframes_t snd_pcm_plugin_avail_update(snd_pcm_t *pcm)
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{
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snd_pcm_plugin_t *plugin = pcm->private;
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snd_pcm_t *slave = plugin->slave;
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size_t client_xfer;
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size_t slave_xfer = 0;
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ssize_t err = 0;
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size_t client_size;
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ssize_t slave_size = snd_pcm_avail_update(slave);
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snd_pcm_uframes_t client_xfer;
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snd_pcm_uframes_t slave_xfer = 0;
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snd_pcm_sframes_t err = 0;
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snd_pcm_uframes_t client_size;
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snd_pcm_sframes_t slave_size = snd_pcm_avail_update(slave);
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if (slave_size <= 0)
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return slave_size;
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if (pcm->stream == SND_PCM_STREAM_PLAYBACK ||
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@ -291,12 +291,12 @@ ssize_t snd_pcm_plugin_avail_update(snd_pcm_t *pcm)
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plugin->client_frames(pcm, slave_size) : slave_size;
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client_xfer = snd_pcm_mmap_capture_avail(pcm);
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client_size = pcm->buffer_size;
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while (slave_xfer < (size_t)slave_size &&
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while (slave_xfer < (snd_pcm_uframes_t)slave_size &&
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client_xfer < client_size) {
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size_t slave_frames = slave_size - slave_xfer;
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size_t client_frames = client_size - client_xfer;
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size_t offset = snd_pcm_mmap_hw_offset(pcm);
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size_t cont = pcm->buffer_size - offset;
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snd_pcm_uframes_t slave_frames = slave_size - slave_xfer;
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snd_pcm_uframes_t client_frames = client_size - client_xfer;
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snd_pcm_uframes_t offset = snd_pcm_mmap_hw_offset(pcm);
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snd_pcm_uframes_t cont = pcm->buffer_size - offset;
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if (cont < client_frames)
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client_frames = cont;
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err = plugin->read(pcm, pcm->running_areas, offset,
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