234 unsigned int pcm_frames_to_bytes(struct pcm *pcm, unsigned int frames)  in pcm_frames_to_bytes()  argument
236     return frames * pcm->config.channels *  in pcm_frames_to_bytes()
312                           unsigned int frames)  in pcm_areas_copy()  argument
314     int size_bytes = pcm_frames_to_bytes(pcm, frames);  in pcm_areas_copy()
335     unsigned int pcm_offset, frames, count = 0;  in pcm_mmap_transfer_areas()  local
338         frames = size;  in pcm_mmap_transfer_areas()
339         pcm_mmap_begin(pcm, &pcm_areas, &pcm_offset, &frames);  in pcm_mmap_transfer_areas()
340         pcm_areas_copy(pcm, pcm_offset, buf, offset, frames);  in pcm_mmap_transfer_areas()
341         commit = pcm_mmap_commit(pcm, pcm_offset, frames);  in pcm_mmap_transfer_areas()
343             oops(pcm, commit, "failed to commit %d frames\n", frames);  in pcm_mmap_transfer_areas()
357     int frames;  in pcm_get_htimestamp()  local
378         frames = hw_ptr - pcm->mmap_control->appl_ptr;  in pcm_get_htimestamp()
380         frames = hw_ptr + pcm->buffer_size - pcm->mmap_control->appl_ptr;  in pcm_get_htimestamp()
382     if (frames < 0)  in pcm_get_htimestamp()
383         frames += pcm->boundary;  in pcm_get_htimestamp()
384     else if (frames > (int)pcm->boundary)  in pcm_get_htimestamp()
385         frames -= pcm->boundary;  in pcm_get_htimestamp()
387     *avail = (unsigned int)frames;  in pcm_get_htimestamp()
400     x.frames = count / (pcm->config.channels *  in pcm_write()
437     x.frames = count / (pcm->config.channels *  in pcm_read()
828 static void pcm_mmap_appl_forward(struct pcm *pcm, int frames)  in pcm_mmap_appl_forward()  argument
831     appl_ptr += frames;  in pcm_mmap_appl_forward()
840                    unsigned int *frames)  in pcm_mmap_begin()  argument
847     /* and the application offset in frames */  in pcm_mmap_begin()
855     /* we can only copy frames if the are availabale and continuos */  in pcm_mmap_begin()
856     copy_frames = *frames;  in pcm_mmap_begin()
861     *frames = copy_frames;  in pcm_mmap_begin()
866 int pcm_mmap_commit(struct pcm *pcm, unsigned int offset, unsigned int frames)  in pcm_mmap_commit()  argument
869     pcm_mmap_appl_forward(pcm, frames);  in pcm_mmap_commit()
872     return frames;  in pcm_mmap_commit()
942     int err = 0, frames, avail;  in pcm_mmap_transfer()  local
952         /* get the available space for writing new frames */  in pcm_mmap_transfer()
955             fprintf(stderr, "cannot determine available mmap frames");  in pcm_mmap_transfer()
972         /* sleep until we have space to write new frames */  in pcm_mmap_transfer()
974             /* enable waiting for avail_min threshold when less frames than we have to write  in pcm_mmap_transfer()
1003         frames = count;  in pcm_mmap_transfer()
1004         if (frames > avail)  in pcm_mmap_transfer()
1005             frames = avail;  in pcm_mmap_transfer()
1007         if (!frames)  in pcm_mmap_transfer()
1010         /* copy frames from buffer */  in pcm_mmap_transfer()
1011         frames = pcm_mmap_transfer_areas(pcm, (void *)buffer, offset, frames);  in pcm_mmap_transfer()
1012         if (frames < 0) {  in pcm_mmap_transfer()
1017             return frames;  in pcm_mmap_transfer()
1020         offset += frames;  in pcm_mmap_transfer()
1021         count -= frames;  in pcm_mmap_transfer()