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audio: split sample conversion and volume mixing
Refactor the volume mixing, so it can be reused for capturing devices.Additionally, it removes superfluous multiplications with the nominalvolume within the hardware voice code path.
Signed-off-by: Michael Walle <michael@walle.cc>...
alsaaudio: add endianness support for VoiceIn
Signed-off-by: Michael Walle <michael@walle.cc>Signed-off-by: malc <av1474@comtv.ru>
issue snd_pcm_start() when capturing audio
snd_pcm_start() starts the capture process and ensures that the eventsare delivered to the poll handler. Without the call, capture can be startedonly when there is simultaneous playback running.
Signed-off-by: Jindrich Makovicka <makovick@gmail.com>...
fix 100% CPU load when idle with ALSA
Playback control function did not disable polling when playback stops.Caused busy spinning of the main loop due to unprocessed events.
Signed-off-by: Jindrich Makovicka <makovick@gmail.com>Signed-off-by: malc <av1474@comtv.ru>
audio/alsa: Avoid snd_pcm_format_t vs audfmt_e mixup
Spotted by Serge Ziryukin and based on his patch, thanks.
Signed-off-by: malc <av1474@comtv.ru>
audio/alsa: Handle SND_PCM_STATE_SETUP in alsa_poll_handler
audio/alsa: Spelling typo (paramters)
Trivial patch to fix the spelling of "parameters".
oss/alsa: Do not invoke UB described in 7.15.1.1 (this time for ADC)
alsa: Change default buffer/period size
Increase buffer size but do not rely on ALSA picking up default periodsize.
oss/alsa: Do not invoke UB described in 7.15.1.1
Additional argument (whether to try poll mode) is only passed withVOICE_ENABLE command.
Thanks to Markus Armbruster for noticing the potential breakage.
alsa: use audio_pcm_hw_clip_out
audio: internal API change
pcm_ops.run_out now takes number of live samples (which will be alwaysgreater than zero) as a second argument, every driver was callingaudio_pcm_hw_get_live_out anyway with exception of fmod which usedaudio_pcm_hw_get_live_out2 for no good reason....
alsa/oss: Remove fd transfer handlers before closing oss/alsa fd/handle
alsa: Use proper value when testing returned events in alsa_poll_handler
alsa: poll mode handling
use C99 initializers for audio_pcm_ops
Signed-off-by: Juan Quintela <quintela@redhat.com>
use C99 initializers for all audio/*
Aesthetics
Reformat to make item borders more visibleFix cases of stray tabs and vertical misalignments
Use proper struct initializers and remove INIT_FIELD() macro
Use C99 initializers for audio_option
alsa: add host suspend/resume support
Both input and output streams may be in SND_PCM_STATE_SUSPENDEDafter the host is suspended and resumed, meaning "Hardware issuspended". snd_pcm_readi() and snd_pcm_writei() will return-ESTRPIPE if called while the stream is in this state....
Ignore -Waddress for alsaaudio.c
/usr/include/alsa/pcm.h contains:
#define snd_pcm_sw_params_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_sw_params_t *) alloca(snd_pcm_sw_params_sizeof()); memset(*ptr, 0, snd_pcm_sw_params_sizeof()); } while (0)
The assert generates: "error: the address of 'sw_params' will always...
alsa: fix warning
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Make audio violate POSIX less
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5864 c046a42c-6fe2-441c-8c8c-71466251a162
Prepare for changing audio_pcm_ops dynamically (partially revert r5422)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5435 c046a42c-6fe2-441c-8c8c-71466251a162
Make audio_pcm_opsstatic const
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5422 c046a42c-6fe2-441c-8c8c-71466251a162
Restore old value of buffer_size
This brings latency down to acceptable levels when using dmix
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4865 c046a42c-6fe2-441c-8c8c-71466251a162
Warn about rejected buffer/period size/time when it was specified by the user
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4864 c046a42c-6fe2-441c-8c8c-71466251a162
Call proper function when trying to set period size
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4863 c046a42c-6fe2-441c-8c8c-71466251a162
Fix typo
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4835 c046a42c-6fe2-441c-8c8c-71466251a162
Emit warning message if user supplied buffer/period size/time was rejected
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4773 c046a42c-6fe2-441c-8c8c-71466251a162
Rework period/buffer size setting
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4768 c046a42c-6fe2-441c-8c8c-71466251a162
pthreads-based audio and miscellaneous audio clean-up (malc).ESD support (malc, Frederick Reeve).
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3917 c046a42c-6fe2-441c-8c8c-71466251a162
Fix wrong signedness, by Andre Przywara.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3815 c046a42c-6fe2-441c-8c8c-71466251a162
Remove stray uses of vl.h.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3675 c046a42c-6fe2-441c-8c8c-71466251a162
Spelling fix, by Stuart Brady.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3076 c046a42c-6fe2-441c-8c8c-71466251a162
Don't define HIGH_LATENCY for ARM, this was a workaround for an ALSA problem.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2766 c046a42c-6fe2-441c-8c8c-71466251a162
Qemu support for S32 and U32 alsa output, by Vassili Karpov.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2427 c046a42c-6fe2-441c-8c8c-71466251a162
audio endianness API changes (malc)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2042 c046a42c-6fe2-441c-8c8c-71466251a162
audio fixes + initial audio capture support (malc)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2040 c046a42c-6fe2-441c-8c8c-71466251a162
added LF missing in logs (malc)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1637 c046a42c-6fe2-441c-8c8c-71466251a162
audio merge (malc)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1636 c046a42c-6fe2-441c-8c8c-71466251a162
debug fix (malc)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1619 c046a42c-6fe2-441c-8c8c-71466251a162
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1601 c046a42c-6fe2-441c-8c8c-71466251a162
merged 15a_aqemu.patch audio patch (malc)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1584 c046a42c-6fe2-441c-8c8c-71466251a162