snd_pcm_channel_info_t channel_info;
snd_pcm_channel_params_t channel_params;
snd_pcm_channel_setup_t channel_setup;
- off_t frame_data;
- int frame_io;
+ off_t appl_ptr;
+ int hw_ptr;
int link;
snd_xfer_t read;
snd_xfer_t write;
int snd_pcm_flush(snd_pcm_t *handle);
int snd_pcm_pause(snd_pcm_t *handle, int enable);
int snd_pcm_state(snd_pcm_t *handle);
-ssize_t snd_pcm_frame_io(snd_pcm_t *handle, int update);
-ssize_t snd_pcm_frame_data(snd_pcm_t *handle, off_t offset);
+ssize_t snd_pcm_hw_ptr(snd_pcm_t *handle, int update);
+ssize_t snd_pcm_appl_ptr(snd_pcm_t *handle, off_t offset);
ssize_t snd_pcm_write(snd_pcm_t *handle, const void *buffer, size_t size);
ssize_t snd_pcm_read(snd_pcm_t *handle, void *buffer, size_t size);
ssize_t snd_pcm_writev(snd_pcm_t *handle, const struct iovec *vector, unsigned long count);
int snd_pcm_mmap(snd_pcm_t *handle, snd_pcm_mmap_status_t **status, snd_pcm_mmap_control_t **control, void **buffer);
int snd_pcm_munmap(snd_pcm_t *handle);
int snd_pcm_mmap_state(snd_pcm_t *handle);
-ssize_t snd_pcm_mmap_frame_io(snd_pcm_t *handle);
-ssize_t snd_pcm_mmap_frame_data(snd_pcm_t *handle, off_t offset);
+ssize_t snd_pcm_mmap_hw_ptr(snd_pcm_t *handle);
+ssize_t snd_pcm_mmap_appl_ptr(snd_pcm_t *handle, off_t offset);
int snd_pcm_mmap_status(snd_pcm_t *handle, snd_pcm_mmap_status_t **status);
int snd_pcm_mmap_control(snd_pcm_t *handle, snd_pcm_mmap_control_t **control);
int snd_pcm_mmap_data(snd_pcm_t *handle, void **buffer);
ssize_t snd_pcm_mmap_read(snd_pcm_t *handle, void *buffer, size_t size);
ssize_t snd_pcm_mmap_writev(snd_pcm_t *handle, const struct iovec *vector, unsigned long count);
ssize_t snd_pcm_mmap_readv(snd_pcm_t *handle, const struct iovec *vector, unsigned long count);
-int snd_pcm_mmap_frames_avail(snd_pcm_t *handle, ssize_t *frames);
-ssize_t snd_pcm_mmap_frames_xfer(snd_pcm_t *handle, size_t frames);
-ssize_t snd_pcm_mmap_frames_offset(snd_pcm_t *handle);
+int snd_pcm_mmap_avail(snd_pcm_t *handle, ssize_t *frames);
+ssize_t snd_pcm_mmap_xfer(snd_pcm_t *handle, size_t frames);
+ssize_t snd_pcm_mmap_offset(snd_pcm_t *handle);
ssize_t snd_pcm_mmap_write_areas(snd_pcm_t *handle, snd_pcm_channel_area_t *channels, size_t frames);
ssize_t snd_pcm_mmap_write_frames(snd_pcm_t *handle, const void *buffer, size_t frames);
ssize_t snd_pcm_mmap_read_areas(snd_pcm_t *handle, snd_pcm_channel_area_t *channels, size_t frames);
case SND_PCM_IOCTL_STATUS:
ctrl->result = snd_pcm_status(pcm, &ctrl->u.status);
break;
- case SND_PCM_IOCTL_FRAME_IO:
- ctrl->result = snd_pcm_frame_io(pcm, ctrl->u.frame_io);
+ case SND_PCM_IOCTL_HW_PTR:
+ ctrl->result = snd_pcm_hw_ptr(pcm, ctrl->u.hw_ptr);
break;
case SND_PCM_IOCTL_PREPARE:
ctrl->result = snd_pcm_prepare(pcm);
ctrl->result = snd_pcm_readv(pcm, vector, ctrl->u.readv.count);
break;
}
- case SND_PCM_IOCTL_FRAME_DATA:
- ctrl->result = snd_pcm_frame_data(pcm, ctrl->u.frame_data);
+ case SND_PCM_IOCTL_APPL_PTR:
+ ctrl->result = snd_pcm_appl_ptr(pcm, ctrl->u.appl_ptr);
break;
case SND_PCM_IOCTL_LINK:
{
return handle->fast_ops->state(handle->fast_op_arg);
}
-ssize_t snd_pcm_frame_io(snd_pcm_t *handle, int update)
+ssize_t snd_pcm_hw_ptr(snd_pcm_t *handle, int update)
{
assert(handle);
assert(handle->valid_setup);
if (handle->mmap_status && !update)
- return handle->mmap_status->frame_io;
- return handle->fast_ops->frame_io(handle->fast_op_arg, update);
+ return handle->mmap_status->hw_ptr;
+ return handle->fast_ops->hw_ptr(handle->fast_op_arg, update);
}
int snd_pcm_prepare(snd_pcm_t *handle)
}
-ssize_t snd_pcm_frame_data(snd_pcm_t *handle, off_t offset)
+ssize_t snd_pcm_appl_ptr(snd_pcm_t *handle, off_t offset)
{
assert(handle);
assert(handle->valid_setup);
if (handle->mmap_control) {
if (offset == 0)
- return handle->mmap_control->frame_data;
+ return handle->mmap_control->appl_ptr;
}
- return handle->fast_ops->frame_data(handle->fast_op_arg, offset);
+ return handle->fast_ops->appl_ptr(handle->fast_op_arg, offset);
}
ssize_t snd_pcm_write(snd_pcm_t *handle, const void *buffer, size_t size)
assert(handle);
assert(size == 0 || buffer);
assert(handle->valid_setup);
- assert(size % handle->setup.frames_align == 0);
+ assert(size % handle->setup.align == 0);
return handle->fast_ops->write(handle->fast_op_arg, 0, buffer, size);
}
assert(handle);
assert(size == 0 || buffer);
assert(handle->valid_setup);
- assert(size % handle->setup.frames_align == 0);
+ assert(size % handle->setup.align == 0);
return handle->fast_ops->read(handle->fast_op_arg, 0, buffer, size);
}
fprintf(fp, "buffer_size: %ld\n", (long)setup->buffer_size);
fprintf(fp, "frag_size: %ld\n", (long)setup->frag_size);
fprintf(fp, "frags: %ld\n", (long)setup->frags);
- fprintf(fp, "frame_boundary: %ld\n", (long)setup->frame_boundary);
+ fprintf(fp, "boundary: %ld\n", (long)setup->boundary);
fprintf(fp, "msbits_per_sample: %d\n", setup->msbits_per_sample);
- fprintf(fp, "frames_min: %ld\n", (long)setup->frames_min);
- fprintf(fp, "frames_align: %ld\n", (long)setup->frames_align);
- fprintf(fp, "frames_xrun_max: %ld\n", (long)setup->frames_xrun_max);
+ fprintf(fp, "avail_min: %ld\n", (long)setup->avail_min);
+ fprintf(fp, "align: %ld\n", (long)setup->align);
+ fprintf(fp, "xrun_max: %ld\n", (long)setup->xrun_max);
fprintf(fp, "fill_mode: %s\n", assoc(setup->fill_mode, fills));
- fprintf(fp, "frames_fill_max: %ld\n", (long)setup->frames_fill_max);
+ fprintf(fp, "fill_max: %ld\n", (long)setup->fill_max);
return 0;
}
return status.state;
}
-static ssize_t snd_pcm_client_shm_frame_io(snd_pcm_t *pcm, int update)
+static ssize_t snd_pcm_client_shm_hw_ptr(snd_pcm_t *pcm, int update)
{
snd_pcm_client_t *client = pcm->private;
snd_pcm_client_shm_t *ctrl = client->u.shm.ctrl;
int err;
- ctrl->cmd = SND_PCM_IOCTL_FRAME_IO;
- ctrl->u.frame_io = update;
+ ctrl->cmd = SND_PCM_IOCTL_HW_PTR;
+ ctrl->u.hw_ptr = update;
err = snd_pcm_client_shm_action(pcm);
if (err < 0)
return err;
return ctrl->result;
}
-static ssize_t snd_pcm_client_shm_frame_data(snd_pcm_t *pcm, off_t offset)
+static ssize_t snd_pcm_client_shm_appl_ptr(snd_pcm_t *pcm, off_t offset)
{
snd_pcm_client_t *client = pcm->private;
snd_pcm_client_shm_t *ctrl = client->u.shm.ctrl;
int err;
- ctrl->cmd = SND_PCM_IOCTL_FRAME_DATA;
- ctrl->u.frame_data = offset;
+ ctrl->cmd = SND_PCM_IOCTL_APPL_PTR;
+ ctrl->u.appl_ptr = offset;
err = snd_pcm_client_shm_action(pcm);
if (err < 0)
return err;
channel_params: snd_pcm_client_shm_channel_params,
channel_setup: snd_pcm_client_shm_channel_setup,
status: snd_pcm_client_shm_status,
- frame_io: snd_pcm_client_shm_frame_io,
+ hw_ptr: snd_pcm_client_shm_hw_ptr,
state: snd_pcm_client_shm_state,
prepare: snd_pcm_client_shm_prepare,
go: snd_pcm_client_shm_go,
drain: snd_pcm_client_shm_drain,
flush: snd_pcm_client_shm_flush,
pause: snd_pcm_client_shm_pause,
- frame_data: snd_pcm_client_shm_frame_data,
+ appl_ptr: snd_pcm_client_shm_appl_ptr,
write: snd_pcm_client_shm_write,
writev: snd_pcm_client_shm_writev,
read: snd_pcm_client_shm_read,
return status.state;
}
-static ssize_t snd_pcm_hw_frame_io(snd_pcm_t *pcm, int update ATTRIBUTE_UNUSED)
+static ssize_t snd_pcm_hw_hw_ptr(snd_pcm_t *pcm, int update ATTRIBUTE_UNUSED)
{
snd_pcm_hw_t *hw = pcm->private;
int fd = hw->fd;
- ssize_t pos = ioctl(fd, SND_PCM_IOCTL_FRAME_IO);
+ ssize_t pos = ioctl(fd, SND_PCM_IOCTL_HW_PTR);
if (pos < 0)
return -errno;
return pos;
return 0;
}
-static ssize_t snd_pcm_hw_frame_data(snd_pcm_t *pcm, off_t offset)
+static ssize_t snd_pcm_hw_appl_ptr(snd_pcm_t *pcm, off_t offset)
{
ssize_t result;
snd_pcm_hw_t *hw = pcm->private;
int fd = hw->fd;
if (pcm->mmap_status && pcm->mmap_control)
- return snd_pcm_mmap_frame_data(pcm, offset);
- result = ioctl(fd, SND_PCM_IOCTL_FRAME_DATA, offset);
+ return snd_pcm_mmap_appl_ptr(pcm, offset);
+ result = ioctl(fd, SND_PCM_IOCTL_APPL_PTR, offset);
if (result < 0)
return -errno;
return result;
channel_params: snd_pcm_hw_channel_params,
channel_setup: snd_pcm_hw_channel_setup,
status: snd_pcm_hw_status,
- frame_io: snd_pcm_hw_frame_io,
+ hw_ptr: snd_pcm_hw_hw_ptr,
state: snd_pcm_hw_state,
prepare: snd_pcm_hw_prepare,
go: snd_pcm_hw_go,
drain: snd_pcm_hw_drain,
flush: snd_pcm_hw_flush,
pause: snd_pcm_hw_pause,
- frame_data: snd_pcm_hw_frame_data,
+ appl_ptr: snd_pcm_hw_appl_ptr,
write: snd_pcm_hw_write,
writev: snd_pcm_hw_writev,
read: snd_pcm_hw_read,
int (*flush)(snd_pcm_t *pcm);
int (*pause)(snd_pcm_t *pcm, int enable);
int (*state)(snd_pcm_t *pcm);
- ssize_t (*frame_io)(snd_pcm_t *pcm, int update);
- ssize_t (*frame_data)(snd_pcm_t *pcm, off_t offset);
+ ssize_t (*hw_ptr)(snd_pcm_t *pcm, int update);
+ ssize_t (*appl_ptr)(snd_pcm_t *pcm, off_t offset);
ssize_t (*write)(snd_pcm_t *pcm, snd_timestamp_t *tstamp, const void *buffer, size_t size);
ssize_t (*writev)(snd_pcm_t *pcm, snd_timestamp_t *tstamp, const struct iovec *vector, unsigned long count);
ssize_t (*read)(snd_pcm_t *pcm, snd_timestamp_t *tstamp, void *buffer, size_t size);
#define pdprintf( args... ) { ; }
#endif
-static inline size_t snd_pcm_mmap_playback_frames_avail(snd_pcm_t *str)
+static inline size_t snd_pcm_mmap_playback_avail(snd_pcm_t *str)
{
- ssize_t frames_avail;
- frames_avail = str->mmap_status->frame_io + str->setup.buffer_size - str->mmap_control->frame_data;
- if (frames_avail < 0)
- frames_avail += str->setup.frame_boundary;
- return frames_avail;
+ ssize_t avail;
+ avail = str->mmap_status->hw_ptr + str->setup.buffer_size - str->mmap_control->appl_ptr;
+ if (avail < 0)
+ avail += str->setup.boundary;
+ return avail;
}
-static inline size_t snd_pcm_mmap_capture_frames_avail(snd_pcm_t *str)
+static inline size_t snd_pcm_mmap_capture_avail(snd_pcm_t *str)
{
- ssize_t frames_avail;
- frames_avail = str->mmap_status->frame_io - str->mmap_control->frame_data;
- if (frames_avail < 0)
- frames_avail += str->setup.frame_boundary;
- return frames_avail;
+ ssize_t avail;
+ avail = str->mmap_status->hw_ptr - str->mmap_control->appl_ptr;
+ if (avail < 0)
+ avail += str->setup.boundary;
+ return avail;
}
#define snd_pcm_plug_stream(plug) ((plug)->handle->stream)
#include <sys/uio.h>
#include "pcm_local.h"
-int snd_pcm_frames_avail(snd_pcm_t *handle, ssize_t *frames)
+int snd_pcm_avail(snd_pcm_t *handle, ssize_t *frames)
{
assert(handle);
assert(handle->mmap_status && handle->mmap_control);
if (handle->stream == SND_PCM_STREAM_PLAYBACK)
- *frames = snd_pcm_mmap_playback_frames_avail(handle);
+ *frames = snd_pcm_mmap_playback_avail(handle);
else
- *frames = snd_pcm_mmap_capture_frames_avail(handle);
+ *frames = snd_pcm_mmap_capture_avail(handle);
return 0;
}
{
if (handle->mmap_status->state == SND_PCM_STATE_XRUN)
return -EPIPE;
- return snd_pcm_mmap_playback_frames_avail(handle) >= handle->setup.frames_min;
+ return snd_pcm_mmap_playback_avail(handle) >= handle->setup.avail_min;
}
static int snd_pcm_mmap_capture_ready(snd_pcm_t *handle)
if (handle->setup.xrun_mode == SND_PCM_XRUN_DRAIN)
return -EPIPE;
}
- if (snd_pcm_mmap_capture_frames_avail(handle) >= handle->setup.frames_min)
+ if (snd_pcm_mmap_capture_avail(handle) >= handle->setup.avail_min)
return 1;
return ret;
}
}
}
-static size_t snd_pcm_mmap_playback_frames_xfer(snd_pcm_t *handle, size_t frames)
+static size_t snd_pcm_mmap_playback_xfer(snd_pcm_t *handle, size_t frames)
{
snd_pcm_mmap_control_t *control = handle->mmap_control;
- size_t frames_cont;
- size_t frames_avail = snd_pcm_mmap_playback_frames_avail(handle);
- if (frames_avail < frames)
- frames = frames_avail;
- frames_cont = handle->setup.buffer_size - control->frame_data % handle->setup.buffer_size;
- if (frames_cont < frames)
- frames = frames_cont;
+ size_t cont;
+ size_t avail = snd_pcm_mmap_playback_avail(handle);
+ if (avail < frames)
+ frames = avail;
+ cont = handle->setup.buffer_size - control->appl_ptr % handle->setup.buffer_size;
+ if (cont < frames)
+ frames = cont;
return frames;
}
-static size_t snd_pcm_mmap_capture_frames_xfer(snd_pcm_t *handle, size_t frames)
+static size_t snd_pcm_mmap_capture_xfer(snd_pcm_t *handle, size_t frames)
{
snd_pcm_mmap_control_t *control = handle->mmap_control;
- size_t frames_cont;
- size_t frames_avail = snd_pcm_mmap_capture_frames_avail(handle);
- if (frames_avail < frames)
- frames = frames_avail;
- frames_cont = handle->setup.buffer_size - control->frame_data % handle->setup.buffer_size;
- if (frames_cont < frames)
- frames = frames_cont;
+ size_t cont;
+ size_t avail = snd_pcm_mmap_capture_avail(handle);
+ if (avail < frames)
+ frames = avail;
+ cont = handle->setup.buffer_size - control->appl_ptr % handle->setup.buffer_size;
+ if (cont < frames)
+ frames = cont;
return frames;
}
-ssize_t snd_pcm_mmap_frames_xfer(snd_pcm_t *handle, size_t frames)
+ssize_t snd_pcm_mmap_xfer(snd_pcm_t *handle, size_t frames)
{
assert(handle);
assert(handle->mmap_status && handle->mmap_control);
if (handle->stream == SND_PCM_STREAM_PLAYBACK)
- return snd_pcm_mmap_playback_frames_xfer(handle, frames);
+ return snd_pcm_mmap_playback_xfer(handle, frames);
else
- return snd_pcm_mmap_capture_frames_xfer(handle, frames);
+ return snd_pcm_mmap_capture_xfer(handle, frames);
}
-ssize_t snd_pcm_mmap_frames_offset(snd_pcm_t *handle)
+ssize_t snd_pcm_mmap_offset(snd_pcm_t *handle)
{
assert(handle);
assert(handle->mmap_control);
- return handle->mmap_control->frame_data % handle->setup.buffer_size;
+ return handle->mmap_control->appl_ptr % handle->setup.buffer_size;
}
int snd_pcm_mmap_state(snd_pcm_t *handle)
return handle->mmap_status->state;
}
-ssize_t snd_pcm_mmap_frame_io(snd_pcm_t *handle)
+ssize_t snd_pcm_mmap_hw_ptr(snd_pcm_t *handle)
{
assert(handle);
assert(handle->mmap_status);
- return handle->mmap_status->frame_io;
+ return handle->mmap_status->hw_ptr;
}
-ssize_t snd_pcm_mmap_frame_data(snd_pcm_t *handle, off_t offset)
+ssize_t snd_pcm_mmap_appl_ptr(snd_pcm_t *handle, off_t offset)
{
- ssize_t frame_data;
+ ssize_t appl_ptr;
assert(handle);
assert(handle->mmap_status && handle->mmap_control);
assert(offset == 0 || handle->type == SND_PCM_TYPE_HW);
- frame_data = handle->mmap_control->frame_data;
+ appl_ptr = handle->mmap_control->appl_ptr;
if (offset == 0)
- return frame_data;
+ return appl_ptr;
switch (handle->mmap_status->state) {
case SND_PCM_STATE_RUNNING:
if (handle->setup.mode == SND_PCM_MODE_FRAME)
- snd_pcm_frame_io(handle, 1);
+ snd_pcm_hw_ptr(handle, 1);
break;
case SND_PCM_STATE_READY:
case SND_PCM_STATE_NOTREADY:
if (offset < -(ssize_t)handle->setup.buffer_size)
offset = -(ssize_t)handle->setup.buffer_size;
else
- offset -= offset % handle->setup.frames_align;
- frame_data += offset;
- if (frame_data < 0)
- frame_data += handle->setup.frame_boundary;
+ offset -= offset % handle->setup.align;
+ appl_ptr += offset;
+ if (appl_ptr < 0)
+ appl_ptr += handle->setup.boundary;
} else {
- size_t frames_avail;
+ size_t avail;
if (handle->stream == SND_PCM_STREAM_PLAYBACK)
- frames_avail = snd_pcm_mmap_playback_frames_avail(handle);
+ avail = snd_pcm_mmap_playback_avail(handle);
else
- frames_avail = snd_pcm_mmap_capture_frames_avail(handle);
- if ((size_t)offset > frames_avail)
- offset = frames_avail;
- offset -= offset % handle->setup.frames_align;
- frame_data += offset;
- if ((size_t)frame_data >= handle->setup.frame_boundary)
- frame_data -= handle->setup.frame_boundary;
+ avail = snd_pcm_mmap_capture_avail(handle);
+ if ((size_t)offset > avail)
+ offset = avail;
+ offset -= offset % handle->setup.align;
+ appl_ptr += offset;
+ if ((size_t)appl_ptr >= handle->setup.boundary)
+ appl_ptr -= handle->setup.boundary;
}
- handle->mmap_control->frame_data = frame_data;
- return frame_data;
+ handle->mmap_control->appl_ptr = appl_ptr;
+ return appl_ptr;
}
ssize_t snd_pcm_mmap_write_areas(snd_pcm_t *handle, snd_pcm_channel_area_t *channels, size_t frames)
} else {
if (status->state == SND_PCM_STATE_RUNNING &&
handle->mode & SND_PCM_NONBLOCK)
- snd_pcm_frame_io(handle, 1);
+ snd_pcm_hw_ptr(handle, 1);
}
while (frames > 0) {
ssize_t mmap_offset;
return result > 0 ? result : -EPIPE;
assert(snd_pcm_mmap_playback_ready(handle));
}
- frames1 = snd_pcm_mmap_playback_frames_xfer(handle, frames);
+ frames1 = snd_pcm_mmap_playback_xfer(handle, frames);
assert(frames1 > 0);
- mmap_offset = snd_pcm_mmap_frames_offset(handle);
+ mmap_offset = snd_pcm_mmap_offset(handle);
snd_pcm_areas_copy(channels, offset, handle->channels, mmap_offset, handle->setup.format.channels, frames1, handle->setup.format.format);
if (status->state == SND_PCM_STATE_XRUN)
return result > 0 ? result : -EPIPE;
- snd_pcm_frame_data(handle, frames1);
+ snd_pcm_appl_ptr(handle, frames1);
frames -= frames1;
offset += frames1;
result += frames1;
} else {
if (status->state == SND_PCM_STATE_RUNNING &&
handle->mode & SND_PCM_NONBLOCK)
- snd_pcm_frame_io(handle, 1);
+ snd_pcm_hw_ptr(handle, 1);
}
if (status->state == SND_PCM_STATE_PREPARED &&
handle->setup.start_mode == SND_PCM_START_DATA) {
return result > 0 ? result : -EPIPE;
assert(snd_pcm_mmap_capture_ready(handle));
}
- frames1 = snd_pcm_mmap_capture_frames_xfer(handle, frames);
+ frames1 = snd_pcm_mmap_capture_xfer(handle, frames);
assert(frames1 > 0);
- mmap_offset = snd_pcm_mmap_frames_offset(handle);
+ mmap_offset = snd_pcm_mmap_offset(handle);
snd_pcm_areas_copy(handle->channels, mmap_offset, channels, offset, handle->setup.format.channels, frames1, handle->setup.format.format);
if (status->state == SND_PCM_STATE_XRUN &&
handle->setup.xrun_mode == SND_PCM_XRUN_DRAIN)
return result > 0 ? result : -EPIPE;
- snd_pcm_frame_data(handle, frames1);
+ snd_pcm_appl_ptr(handle, frames1);
frames -= frames1;
offset += frames1;
result += frames1;
p.format.interleave = 1;
p.format.channels = multi->slaves[i].channels_total;
#if 1
- p.frames_xrun_max = ~0;
+ p.xrun_max = ~0;
#endif
err = snd_pcm_params(handle, &p);
if (err < 0)
return err;
if (setup->format.rate != s.format.rate)
return -EINVAL;
- if (setup->frames_align % s.frames_align != 0)
+ if (setup->align % s.align != 0)
return -EINVAL;
}
setup->format.interleave = multi->interleave;
return snd_pcm_state(handle);
}
-static ssize_t snd_pcm_multi_frame_io(snd_pcm_t *pcm, int update)
+static ssize_t snd_pcm_multi_hw_ptr(snd_pcm_t *pcm, int update)
{
snd_pcm_multi_t *multi = pcm->private;
snd_pcm_t *handle = multi->slaves[0].handle;
- return snd_pcm_frame_io(handle, update);
+ return snd_pcm_hw_ptr(handle, update);
}
static int snd_pcm_multi_prepare(snd_pcm_t *pcm)
return 0;
}
-static ssize_t snd_pcm_multi_frame_data(snd_pcm_t *pcm, off_t offset)
+static ssize_t snd_pcm_multi_appl_ptr(snd_pcm_t *pcm, off_t offset)
{
snd_pcm_multi_t *multi = pcm->private;
ssize_t pos, newpos;
unsigned int i;
snd_pcm_t *handle_0 = multi->slaves[0].handle;
- pos = snd_pcm_frame_data(handle_0, 0);
- newpos = snd_pcm_frame_data(handle_0, offset);
+ pos = snd_pcm_appl_ptr(handle_0, 0);
+ newpos = snd_pcm_appl_ptr(handle_0, offset);
if (newpos < 0)
return newpos;
offset = newpos - pos;
if (offset < 0)
- offset += handle_0->setup.frame_boundary;
+ offset += handle_0->setup.boundary;
for (i = 1; i < multi->slaves_count; ++i) {
snd_pcm_t *handle_i = multi->slaves[i].handle;
ssize_t newpos_i;
- newpos_i = snd_pcm_frame_data(handle_i, offset);
+ newpos_i = snd_pcm_appl_ptr(handle_i, offset);
if (newpos_i < 0)
return newpos_i;
if (newpos_i != newpos)
unsigned int i;
for (i = 1; i < multi->slaves_count; ++i) {
snd_pcm_setup_t *setup = &multi->slaves[i].handle->setup;
- /* Don't permit mmap if frame_data's have
+ /* Don't permit mmap if appl_ptr's have
different ranges */
if (setup->buffer_size != setup_0->buffer_size)
return -EBADFD;
channel_params: snd_pcm_multi_channel_params,
channel_setup: snd_pcm_multi_channel_setup,
status: snd_pcm_multi_status,
- frame_io: snd_pcm_multi_frame_io,
+ hw_ptr: snd_pcm_multi_hw_ptr,
state: snd_pcm_multi_state,
prepare: snd_pcm_multi_prepare,
go: snd_pcm_multi_go,
writev: snd_pcm_multi_writev,
read: snd_pcm_multi_read,
readv: snd_pcm_multi_readv,
- frame_data: snd_pcm_multi_frame_data,
+ appl_ptr: snd_pcm_multi_appl_ptr,
mmap_status: snd_pcm_multi_mmap_status,
mmap_control: snd_pcm_multi_mmap_control,
mmap_data: snd_pcm_multi_mmap_data,
return err;
if (!plug->first)
return 0;
- setup->frame_boundary /= setup->frag_size;
+ setup->boundary /= setup->frag_size;
setup->frag_size = snd_pcm_plug_client_size(plug, setup->frag_size);
- setup->frame_boundary *= setup->frag_size;
+ setup->boundary *= setup->frag_size;
setup->buffer_size = setup->frags * setup->frag_size;
- setup->frames_min = snd_pcm_plug_client_size(plug, setup->frames_min);
- setup->frames_align = snd_pcm_plug_client_size(plug, setup->frames_align);
- setup->frames_xrun_max = snd_pcm_plug_client_size(plug, setup->frames_xrun_max);
- setup->frames_fill_max = snd_pcm_plug_client_size(plug, setup->frames_fill_max);
+ setup->avail_min = snd_pcm_plug_client_size(plug, setup->avail_min);
+ setup->align = snd_pcm_plug_client_size(plug, setup->align);
+ setup->xrun_max = snd_pcm_plug_client_size(plug, setup->xrun_max);
+ setup->fill_max = snd_pcm_plug_client_size(plug, setup->fill_max);
setup->mmap_bytes = 0;
if (plug->handle->stream == SND_PCM_STREAM_PLAYBACK)
setup->format = plug->first->src_format;
if (err < 0)
return err;
- status->frame_io = snd_pcm_plug_client_size(plug, status->frame_io);
- status->frame_data = snd_pcm_plug_client_size(plug, status->frame_data);
- status->frames_avail = snd_pcm_plug_client_size(plug, status->frames_avail);
- status->frames_avail_max = snd_pcm_plug_client_size(plug, status->frames_avail_max);
+ status->hw_ptr = snd_pcm_plug_client_size(plug, status->hw_ptr);
+ status->appl_ptr = snd_pcm_plug_client_size(plug, status->appl_ptr);
+ status->avail = snd_pcm_plug_client_size(plug, status->avail);
+ status->avail_max = snd_pcm_plug_client_size(plug, status->avail_max);
return 0;
}
return snd_pcm_state(plug->slave);
}
-static ssize_t snd_pcm_plug_frame_io(snd_pcm_t *pcm, int update)
+static ssize_t snd_pcm_plug_hw_ptr(snd_pcm_t *pcm, int update)
{
snd_pcm_plug_t *plug = pcm->private;
- ssize_t frame_io = snd_pcm_frame_io(plug->slave, update);
- if (frame_io < 0)
- return frame_io;
- return snd_pcm_plug_client_size(plug, frame_io);
+ ssize_t hw_ptr = snd_pcm_hw_ptr(plug->slave, update);
+ if (hw_ptr < 0)
+ return hw_ptr;
+ return snd_pcm_plug_client_size(plug, hw_ptr);
}
static int snd_pcm_plug_prepare(snd_pcm_t *pcm)
return -ENOSYS;
}
-static ssize_t snd_pcm_plug_frame_data(snd_pcm_t *pcm, off_t offset)
+static ssize_t snd_pcm_plug_appl_ptr(snd_pcm_t *pcm, off_t offset)
{
ssize_t ret;
snd_pcm_plug_t *plug = pcm->private;
if (offset < 0)
return offset;
}
- ret = snd_pcm_frame_data(plug->slave, offset);
+ ret = snd_pcm_appl_ptr(plug->slave, offset);
if (ret < 0)
return ret;
return snd_pcm_plug_client_size(plug, ret);
channel_params: snd_pcm_plug_channel_params,
channel_setup: snd_pcm_plug_channel_setup,
status: snd_pcm_plug_status,
- frame_io: snd_pcm_plug_frame_io,
+ hw_ptr: snd_pcm_plug_hw_ptr,
state: snd_pcm_plug_state,
prepare: snd_pcm_plug_prepare,
go: snd_pcm_plug_go,
drain: snd_pcm_plug_drain,
flush: snd_pcm_plug_flush,
pause: snd_pcm_plug_pause,
- frame_data: snd_pcm_plug_frame_data,
+ appl_ptr: snd_pcm_plug_appl_ptr,
write: snd_pcm_plug_write,
writev: snd_pcm_plug_writev,
read: snd_pcm_plug_read,
/* compute right sizes */
slave_params->frag_size = snd_pcm_plug_slave_size(plug, params->frag_size);
slave_params->buffer_size = snd_pcm_plug_slave_size(plug, params->buffer_size);
- slave_params->frames_fill_max = snd_pcm_plug_slave_size(plug, params->frames_fill_max);
- slave_params->frames_min = snd_pcm_plug_slave_size(plug, params->frames_min);
- slave_params->frames_xrun_max = snd_pcm_plug_slave_size(plug, params->frames_xrun_max);
- slave_params->frames_align = snd_pcm_plug_slave_size(plug, params->frames_align);
- if (slave_params->frame_boundary == 0 || slave_params->frame_boundary > LONG_MAX)
- slave_params->frame_boundary = LONG_MAX;
+ slave_params->fill_max = snd_pcm_plug_slave_size(plug, params->fill_max);
+ slave_params->avail_min = snd_pcm_plug_slave_size(plug, params->avail_min);
+ slave_params->xrun_max = snd_pcm_plug_slave_size(plug, params->xrun_max);
+ slave_params->align = snd_pcm_plug_slave_size(plug, params->align);
+ if (slave_params->boundary == 0 || slave_params->boundary > LONG_MAX)
+ slave_params->boundary = LONG_MAX;
assert(params->buffer_size > 0);
- slave_params->frame_boundary /= params->buffer_size;
- if (slave_params->frame_boundary > LONG_MAX / slave_params->buffer_size)
- slave_params->frame_boundary = LONG_MAX;
+ slave_params->boundary /= params->buffer_size;
+ if (slave_params->boundary > LONG_MAX / slave_params->buffer_size)
+ slave_params->boundary = LONG_MAX;
else
- slave_params->frame_boundary *= slave_params->buffer_size;
+ slave_params->boundary *= slave_params->buffer_size;
}
return -EPIPE;
assert(snd_pcm_mmap_ready(stream));
}
- pos = snd_pcm_mmap_frames_offset(stream);
- assert(pos % setup->frames_align == 0);
+ pos = snd_pcm_mmap_offset(stream);
+ assert(pos % setup->align == 0);
sv = plugin->buf_channels;
dv = stream->channels;
++sv;
++dv;
}
- return snd_pcm_mmap_frames_xfer(stream, frames);
+ return snd_pcm_mmap_xfer(stream, frames);
}
static ssize_t mmap_dst_channels(snd_pcm_plugin_t *plugin,
return -EPIPE;
assert(snd_pcm_mmap_ready(stream));
}
- pos = snd_pcm_mmap_frames_offset(stream);
- assert(pos % setup->frames_align == 0);
+ pos = snd_pcm_mmap_offset(stream);
+ assert(pos % setup->align == 0);
sv = stream->channels;
dv = plugin->buf_channels;
++sv;
++dv;
}
- return snd_pcm_mmap_frames_xfer(stream, frames);
+ return snd_pcm_mmap_xfer(stream, frames);
}
static ssize_t mmap_playback_transfer(snd_pcm_plugin_t *plugin,
}
#endif
- err = snd_pcm_frame_data(stream, frames);
+ err = snd_pcm_appl_ptr(stream, frames);
if (err < 0)
return err;
if (snd_pcm_mmap_state(stream) == SND_PCM_STATE_PREPARED &&
stream = plugin->plug->slave;
/* FIXME: not here the increment */
- err = snd_pcm_frame_data(stream, frames);
+ err = snd_pcm_appl_ptr(stream, frames);
if (err < 0)
return err;
if (*bufsize > LATENCY_MAX)
return -1;
params.frag_size = *bufsize / 2;
- params.frames_min = 1;
+ params.avail_min = 1;
params.buffer_size = *bufsize;
if ((err = snd_pcm_params(phandle, ¶ms)) < 0) {
}
printf(" state = %i\n", status.state);
printf(" frames = %i\n", frames);
- printf(" frame_io = %li\n", (long)status.frame_io);
- printf(" frame_data = %li\n", (long)status.frame_data);
- printf(" frames_avail = %li\n", (long)status.frames_avail);
+ printf(" hw_ptr = %li\n", (long)status.hw_ptr);
+ printf(" appl_ptr = %li\n", (long)status.appl_ptr);
+ printf(" avail = %li\n", (long)status.avail);
if (rstatus)
*rstatus = status;
}