static long snd_pcm_oss_bytes(snd_pcm_substream_t *substream, long frames)
{
snd_pcm_runtime_t *runtime = substream->runtime;
static long snd_pcm_oss_bytes(snd_pcm_substream_t *substream, long frames)
{
snd_pcm_runtime_t *runtime = substream->runtime;
- snd_pcm_uframes_t buffer_size = snd_pcm_lib_buffer_bytes(substream);
- frames = frames_to_bytes(runtime, frames);
+ long buffer_size = snd_pcm_lib_buffer_bytes(substream);
+ long bytes = frames_to_bytes(runtime, frames);
- return frames;
- return (long)(((int64_t)runtime->oss.buffer_bytes * (int64_t)frames) / (int64_t)buffer_size);
+ return bytes;
+#if BITS_PER_LONG >= 64
+ return runtime->oss.buffer_bytes * bytes / buffer_size;
+#else
+ {
+ u64 bsize = (u64)runtime->oss.buffer_bytes * (u64)bytes;
+ u32 rem;
+ div64_32(&bsize, buffer_size, &rem);
+ return (long)bsize;
+ }
+#endif
}
static long snd_pcm_alsa_frames(snd_pcm_substream_t *substream, long bytes)
{
snd_pcm_runtime_t *runtime = substream->runtime;
}
static long snd_pcm_alsa_frames(snd_pcm_substream_t *substream, long bytes)
{
snd_pcm_runtime_t *runtime = substream->runtime;
if (buffer_size == runtime->oss.buffer_bytes)
return bytes_to_frames(runtime, bytes);
return bytes_to_frames(runtime, (buffer_size * bytes) / runtime->oss.buffer_bytes);
if (buffer_size == runtime->oss.buffer_bytes)
return bytes_to_frames(runtime, bytes);
return bytes_to_frames(runtime, (buffer_size * bytes) / runtime->oss.buffer_bytes);
snd_pcm_oss_simulate_fill(substream, delay);
info.bytes = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr) & INT_MAX;
} else {
snd_pcm_oss_simulate_fill(substream, delay);
info.bytes = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr) & INT_MAX;
} else {
- delay = snd_pcm_oss_bytes(substream, delay) + fixup;
- info.blocks = delay / runtime->oss.period_bytes;
- if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ delay = snd_pcm_oss_bytes(substream, delay);
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ info.blocks = (runtime->oss.buffer_bytes - delay - fixup) / runtime->oss.period_bytes;
if (snd_pcm_running(substream))
snd_pcm_stop(substream, SNDRV_PCM_STATE_SETUP);
snd_pcm_stream_unlock_irq(substream);
if (snd_pcm_running(substream))
snd_pcm_stop(substream, SNDRV_PCM_STATE_SETUP);
snd_pcm_stream_unlock_irq(substream);
if (substream->ops->hw_free != NULL)
substream->ops->hw_free(substream);
substream->ops->close(substream);
if (substream->ops->hw_free != NULL)
substream->ops->hw_free(substream);
substream->ops->close(substream);
err = snd_pcm_hw_constraints_complete(psubstream);
if (err < 0) {
snd_printd("snd_pcm_hw_constraint_complete failed\n");
snd_pcm_oss_release_file(pcm_oss_file);
return err;
}
err = snd_pcm_hw_constraints_complete(psubstream);
if (err < 0) {
snd_printd("snd_pcm_hw_constraint_complete failed\n");
snd_pcm_oss_release_file(pcm_oss_file);
return err;
}
snd_pcm_oss_init_substream(psubstream, psetup, minor);
}
if (csubstream != NULL) {
snd_pcm_oss_init_substream(psubstream, psetup, minor);
}
if (csubstream != NULL) {
err = snd_pcm_hw_constraints_complete(csubstream);
if (err < 0) {
snd_printd("snd_pcm_hw_constraint_complete failed\n");
snd_pcm_oss_release_file(pcm_oss_file);
return err;
}
err = snd_pcm_hw_constraints_complete(csubstream);
if (err < 0) {
snd_printd("snd_pcm_hw_constraint_complete failed\n");
snd_pcm_oss_release_file(pcm_oss_file);
return err;
}