On 2019-07-10 21:57, Marc-André Lureau wrote: > On Tue, Jul 9, 2019 at 10:57 PM Kővágó, Zoltán <dirty.ice...@gmail.com> wrote: >> >> They just called audio_pcm_sw_read/write anyway, so it makes no sense >> to have them too. (The noaudio's read is the only exception, but it >> should work with the generic code too.) > > It works with the generic code, but wouldn't it be more expensive?
It's a bit more expensive, but only if the guest has a sound card and the guest is playing some sound, because otherwise the output is suspended. > Perhaps there can be something in audio_pcm_sw_write() to skip the > work if noaudio is the backend? It feels like a hacky solution to the same problem what the function pointer currently solves. On the other hand, it's unlikely any other backend would drop every sample without processing them. >> >> Signed-off-by: Kővágó, Zoltán <dirty.ice...@gmail.com> >> --- >> audio/audio_int.h | 5 ----- >> audio/alsaaudio.c | 12 ------------ >> audio/audio.c | 8 ++++---- >> audio/coreaudio.c | 6 ------ >> audio/dsoundaudio.c | 12 ------------ >> audio/noaudio.c | 19 ------------------- >> audio/ossaudio.c | 12 ------------ >> audio/paaudio.c | 12 ------------ >> audio/sdlaudio.c | 6 ------ >> audio/spiceaudio.c | 12 ------------ >> audio/wavaudio.c | 6 ------ >> 11 files changed, 4 insertions(+), 106 deletions(-) >> >> diff --git a/audio/audio_int.h b/audio/audio_int.h >> index 7e00c1332e..003b7ab8cc 100644 >> --- a/audio/audio_int.h >> +++ b/audio/audio_int.h >> @@ -150,13 +150,11 @@ struct audio_pcm_ops { >> int (*init_out)(HWVoiceOut *hw, struct audsettings *as, void >> *drv_opaque); >> void (*fini_out)(HWVoiceOut *hw); >> int (*run_out) (HWVoiceOut *hw, int live); >> - int (*write) (SWVoiceOut *sw, void *buf, int size); >> int (*ctl_out) (HWVoiceOut *hw, int cmd, ...); >> >> int (*init_in) (HWVoiceIn *hw, struct audsettings *as, void >> *drv_opaque); >> void (*fini_in) (HWVoiceIn *hw); >> int (*run_in) (HWVoiceIn *hw); >> - int (*read) (SWVoiceIn *sw, void *buf, int size); >> int (*ctl_in) (HWVoiceIn *hw, int cmd, ...); >> }; >> >> @@ -210,11 +208,8 @@ audio_driver *audio_driver_lookup(const char *name); >> void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings >> *as); >> void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int >> len); >> >> -int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int len); >> int audio_pcm_hw_get_live_in (HWVoiceIn *hw); >> >> -int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int len); >> - >> int audio_pcm_hw_clip_out (HWVoiceOut *hw, void *pcm_buf, >> int live, int pending); >> >> diff --git a/audio/alsaaudio.c b/audio/alsaaudio.c >> index 3daa7c8f8f..e9e3a4819c 100644 >> --- a/audio/alsaaudio.c >> +++ b/audio/alsaaudio.c >> @@ -270,11 +270,6 @@ static int alsa_poll_in (HWVoiceIn *hw) >> return alsa_poll_helper (alsa->handle, &alsa->pollhlp, POLLIN); >> } >> >> -static int alsa_write (SWVoiceOut *sw, void *buf, int len) >> -{ >> - return audio_pcm_sw_write (sw, buf, len); >> -} >> - >> static snd_pcm_format_t aud_to_alsafmt (AudioFormat fmt, int endianness) >> { >> switch (fmt) { >> @@ -988,11 +983,6 @@ static int alsa_run_in (HWVoiceIn *hw) >> return read_samples; >> } >> >> -static int alsa_read (SWVoiceIn *sw, void *buf, int size) >> -{ >> - return audio_pcm_sw_read (sw, buf, size); >> -} >> - >> static int alsa_ctl_in (HWVoiceIn *hw, int cmd, ...) >> { >> ALSAVoiceIn *alsa = (ALSAVoiceIn *) hw; >> @@ -1076,13 +1066,11 @@ static struct audio_pcm_ops alsa_pcm_ops = { >> .init_out = alsa_init_out, >> .fini_out = alsa_fini_out, >> .run_out = alsa_run_out, >> - .write = alsa_write, >> .ctl_out = alsa_ctl_out, >> >> .init_in = alsa_init_in, >> .fini_in = alsa_fini_in, >> .run_in = alsa_run_in, >> - .read = alsa_read, >> .ctl_in = alsa_ctl_in, >> }; >> >> diff --git a/audio/audio.c b/audio/audio.c >> index d73cc086b6..b79f56fe64 100644 >> --- a/audio/audio.c >> +++ b/audio/audio.c >> @@ -594,7 +594,7 @@ static int audio_pcm_sw_get_rpos_in (SWVoiceIn *sw) >> } >> } >> >> -int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int size) >> +static int audio_pcm_sw_read(SWVoiceIn *sw, void *buf, int size) >> { >> HWVoiceIn *hw = sw->hw; >> int samples, live, ret = 0, swlim, isamp, osamp, rpos, total = 0; >> @@ -696,7 +696,7 @@ static int audio_pcm_hw_get_live_out (HWVoiceOut *hw, >> int *nb_live) >> /* >> * Soft voice (playback) >> */ >> -int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int size) >> +static int audio_pcm_sw_write(SWVoiceOut *sw, void *buf, int size) >> { >> int hwsamples, samples, isamp, osamp, wpos, live, dead, left, swlim, >> blck; >> int ret = 0, pos = 0, total = 0; >> @@ -854,7 +854,7 @@ int AUD_write (SWVoiceOut *sw, void *buf, int size) >> return 0; >> } >> >> - return sw->hw->pcm_ops->write(sw, buf, size); >> + return audio_pcm_sw_write(sw, buf, size); >> } >> >> int AUD_read (SWVoiceIn *sw, void *buf, int size) >> @@ -869,7 +869,7 @@ int AUD_read (SWVoiceIn *sw, void *buf, int size) >> return 0; >> } >> >> - return sw->hw->pcm_ops->read(sw, buf, size); >> + return audio_pcm_sw_read(sw, buf, size); >> } >> >> int AUD_get_buffer_size_out (SWVoiceOut *sw) >> diff --git a/audio/coreaudio.c b/audio/coreaudio.c >> index f0ab4014a8..091fe84a34 100644 >> --- a/audio/coreaudio.c >> +++ b/audio/coreaudio.c >> @@ -489,11 +489,6 @@ static OSStatus audioDeviceIOProc( >> return 0; >> } >> >> -static int coreaudio_write (SWVoiceOut *sw, void *buf, int len) >> -{ >> - return audio_pcm_sw_write (sw, buf, len); >> -} >> - >> static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as, >> void *drv_opaque) >> { >> @@ -692,7 +687,6 @@ static struct audio_pcm_ops coreaudio_pcm_ops = { >> .init_out = coreaudio_init_out, >> .fini_out = coreaudio_fini_out, >> .run_out = coreaudio_run_out, >> - .write = coreaudio_write, >> .ctl_out = coreaudio_ctl_out >> }; >> >> diff --git a/audio/dsoundaudio.c b/audio/dsoundaudio.c >> index 07260f881e..11594c3095 100644 >> --- a/audio/dsoundaudio.c >> +++ b/audio/dsoundaudio.c >> @@ -454,11 +454,6 @@ static int dsound_ctl_out (HWVoiceOut *hw, int cmd, ...) >> return 0; >> } >> >> -static int dsound_write (SWVoiceOut *sw, void *buf, int len) >> -{ >> - return audio_pcm_sw_write (sw, buf, len); >> -} >> - >> static int dsound_run_out (HWVoiceOut *hw, int live) >> { >> int err; >> @@ -645,11 +640,6 @@ static int dsound_ctl_in (HWVoiceIn *hw, int cmd, ...) >> return 0; >> } >> >> -static int dsound_read (SWVoiceIn *sw, void *buf, int len) >> -{ >> - return audio_pcm_sw_read (sw, buf, len); >> -} >> - >> static int dsound_run_in (HWVoiceIn *hw) >> { >> int err; >> @@ -856,13 +846,11 @@ static struct audio_pcm_ops dsound_pcm_ops = { >> .init_out = dsound_init_out, >> .fini_out = dsound_fini_out, >> .run_out = dsound_run_out, >> - .write = dsound_write, >> .ctl_out = dsound_ctl_out, >> >> .init_in = dsound_init_in, >> .fini_in = dsound_fini_in, >> .run_in = dsound_run_in, >> - .read = dsound_read, >> .ctl_in = dsound_ctl_in >> }; >> >> diff --git a/audio/noaudio.c b/audio/noaudio.c >> index 14a0e4ab29..cbb02d9e49 100644 >> --- a/audio/noaudio.c >> +++ b/audio/noaudio.c >> @@ -61,11 +61,6 @@ static int no_run_out (HWVoiceOut *hw, int live) >> return decr; >> } >> >> -static int no_write (SWVoiceOut *sw, void *buf, int len) >> -{ >> - return audio_pcm_sw_write(sw, buf, len); >> -} >> - >> static int no_init_out(HWVoiceOut *hw, struct audsettings *as, void >> *drv_opaque) >> { >> audio_pcm_init_info (&hw->info, as); >> @@ -118,18 +113,6 @@ static int no_run_in (HWVoiceIn *hw) >> return samples; >> } >> >> -static int no_read (SWVoiceIn *sw, void *buf, int size) >> -{ >> - /* use custom code here instead of audio_pcm_sw_read() to avoid >> - * useless resampling/mixing */ >> - int samples = size >> sw->info.shift; >> - int total = sw->hw->total_samples_captured - >> sw->total_hw_samples_acquired; >> - int to_clear = MIN (samples, total); >> - sw->total_hw_samples_acquired += total; >> - audio_pcm_info_clear_buf (&sw->info, buf, to_clear); >> - return to_clear << sw->info.shift; >> -} >> - >> static int no_ctl_in (HWVoiceIn *hw, int cmd, ...) >> { >> (void) hw; >> @@ -151,13 +134,11 @@ static struct audio_pcm_ops no_pcm_ops = { >> .init_out = no_init_out, >> .fini_out = no_fini_out, >> .run_out = no_run_out, >> - .write = no_write, >> .ctl_out = no_ctl_out, >> >> .init_in = no_init_in, >> .fini_in = no_fini_in, >> .run_in = no_run_in, >> - .read = no_read, >> .ctl_in = no_ctl_in >> }; >> >> diff --git a/audio/ossaudio.c b/audio/ossaudio.c >> index 456fba7480..b99edbec17 100644 >> --- a/audio/ossaudio.c >> +++ b/audio/ossaudio.c >> @@ -134,11 +134,6 @@ static void oss_poll_in (HWVoiceIn *hw) >> qemu_set_fd_handler(oss->fd, oss_helper_poll_in, NULL, hw->s); >> } >> >> -static int oss_write (SWVoiceOut *sw, void *buf, int len) >> -{ >> - return audio_pcm_sw_write (sw, buf, len); >> -} >> - >> static int aud_to_ossfmt (AudioFormat fmt, int endianness) >> { >> switch (fmt) { >> @@ -788,11 +783,6 @@ static int oss_run_in (HWVoiceIn *hw) >> return read_samples; >> } >> >> -static int oss_read (SWVoiceIn *sw, void *buf, int size) >> -{ >> - return audio_pcm_sw_read (sw, buf, size); >> -} >> - >> static int oss_ctl_in (HWVoiceIn *hw, int cmd, ...) >> { >> OSSVoiceIn *oss = (OSSVoiceIn *) hw; >> @@ -855,13 +845,11 @@ static struct audio_pcm_ops oss_pcm_ops = { >> .init_out = oss_init_out, >> .fini_out = oss_fini_out, >> .run_out = oss_run_out, >> - .write = oss_write, >> .ctl_out = oss_ctl_out, >> >> .init_in = oss_init_in, >> .fini_in = oss_fini_in, >> .run_in = oss_run_in, >> - .read = oss_read, >> .ctl_in = oss_ctl_in >> }; >> >> diff --git a/audio/paaudio.c b/audio/paaudio.c >> index d320d2e453..12471154ed 100644 >> --- a/audio/paaudio.c >> +++ b/audio/paaudio.c >> @@ -295,11 +295,6 @@ static int qpa_run_out (HWVoiceOut *hw, int live) >> return decr; >> } >> >> -static int qpa_write (SWVoiceOut *sw, void *buf, int len) >> -{ >> - return audio_pcm_sw_write (sw, buf, len); >> -} >> - >> /* capture */ >> static void *qpa_thread_in (void *arg) >> { >> @@ -388,11 +383,6 @@ static int qpa_run_in (HWVoiceIn *hw) >> return incr; >> } >> >> -static int qpa_read (SWVoiceIn *sw, void *buf, int len) >> -{ >> - return audio_pcm_sw_read (sw, buf, len); >> -} >> - >> static pa_sample_format_t audfmt_to_pa (AudioFormat afmt, int endianness) >> { >> int format; >> @@ -1016,13 +1006,11 @@ static struct audio_pcm_ops qpa_pcm_ops = { >> .init_out = qpa_init_out, >> .fini_out = qpa_fini_out, >> .run_out = qpa_run_out, >> - .write = qpa_write, >> .ctl_out = qpa_ctl_out, >> >> .init_in = qpa_init_in, >> .fini_in = qpa_fini_in, >> .run_in = qpa_run_in, >> - .read = qpa_read, >> .ctl_in = qpa_ctl_in >> }; >> >> diff --git a/audio/sdlaudio.c b/audio/sdlaudio.c >> index 42f7614124..c7fd487e0e 100644 >> --- a/audio/sdlaudio.c >> +++ b/audio/sdlaudio.c >> @@ -217,11 +217,6 @@ static void sdl_callback (void *opaque, Uint8 *buf, int >> len) >> } >> } >> >> -static int sdl_write_out (SWVoiceOut *sw, void *buf, int len) >> -{ >> - return audio_pcm_sw_write (sw, buf, len); >> -} >> - >> static int sdl_run_out (HWVoiceOut *hw, int live) >> { >> int decr; >> @@ -342,7 +337,6 @@ static struct audio_pcm_ops sdl_pcm_ops = { >> .init_out = sdl_init_out, >> .fini_out = sdl_fini_out, >> .run_out = sdl_run_out, >> - .write = sdl_write_out, >> .ctl_out = sdl_ctl_out, >> }; >> >> diff --git a/audio/spiceaudio.c b/audio/spiceaudio.c >> index 6f4a0558f8..6e7f13cffa 100644 >> --- a/audio/spiceaudio.c >> +++ b/audio/spiceaudio.c >> @@ -193,11 +193,6 @@ static int line_out_run (HWVoiceOut *hw, int live) >> return decr; >> } >> >> -static int line_out_write (SWVoiceOut *sw, void *buf, int len) >> -{ >> - return audio_pcm_sw_write (sw, buf, len); >> -} >> - >> static int line_out_ctl (HWVoiceOut *hw, int cmd, ...) >> { >> SpiceVoiceOut *out = container_of (hw, SpiceVoiceOut, hw); >> @@ -326,11 +321,6 @@ static int line_in_run (HWVoiceIn *hw) >> return num_samples; >> } >> >> -static int line_in_read (SWVoiceIn *sw, void *buf, int size) >> -{ >> - return audio_pcm_sw_read (sw, buf, size); >> -} >> - >> static int line_in_ctl (HWVoiceIn *hw, int cmd, ...) >> { >> SpiceVoiceIn *in = container_of (hw, SpiceVoiceIn, hw); >> @@ -378,13 +368,11 @@ static struct audio_pcm_ops audio_callbacks = { >> .init_out = line_out_init, >> .fini_out = line_out_fini, >> .run_out = line_out_run, >> - .write = line_out_write, >> .ctl_out = line_out_ctl, >> >> .init_in = line_in_init, >> .fini_in = line_in_fini, >> .run_in = line_in_run, >> - .read = line_in_read, >> .ctl_in = line_in_ctl, >> }; >> >> diff --git a/audio/wavaudio.c b/audio/wavaudio.c >> index bbf3f3b346..17ab921cef 100644 >> --- a/audio/wavaudio.c >> +++ b/audio/wavaudio.c >> @@ -84,11 +84,6 @@ static int wav_run_out (HWVoiceOut *hw, int live) >> return decr; >> } >> >> -static int wav_write_out (SWVoiceOut *sw, void *buf, int len) >> -{ >> - return audio_pcm_sw_write (sw, buf, len); >> -} >> - >> /* VICE code: Store number as little endian. */ >> static void le_store (uint8_t *buf, uint32_t val, int len) >> { >> @@ -240,7 +235,6 @@ static struct audio_pcm_ops wav_pcm_ops = { >> .init_out = wav_init_out, >> .fini_out = wav_fini_out, >> .run_out = wav_run_out, >> - .write = wav_write_out, >> .ctl_out = wav_ctl_out, >> }; >> >> -- >> 2.22.0 >> >> > >