khng300 226d383c13 OSS (FreeBSD/illumos) backend (#600) ... * ossaudio (FreeBSD currently) backend The ossaudio backend was rewritten from the sunaudio backend. * Fix leaking of mixer_fd in oss_enumerate_devices * Both input/output can be detected at the same DSP * Update on device detection during enumeration * Remove spurious calls to SNDCTL_CARDINFO * Fix string allocation detection in oss_enumerate_devices * On FreeBSD, try to open and probe the device's capability in oss_enumerate_devices * Rewrite oss_io_routine() to implement correctly for all stream directions * Add preferred device detection for FreeBSD * Emits stable devid from oss_enumerate_devices on FreeBSD * Fix SNDCTL_DSP_GETI/OSPACE calls in oss_stream_init * Use /dev/sndstat instead on FreeBSD for oss_enumerate_devices * Unify both play and record nfr and take the minimum value between them * Fix allocating both input/output buffers to input/output-only streams * Fix clipping issue * Fix misuse of input_device and output_device in oss_stream_init * Fix builds on Illumos * Code refactoring on oss_enumerate_devices * Improve oss_io_routine for the case when the stream is in both direction * Use fragsize instead of total buffer size for number of frames * Probe OSS audio availability in cubeb_init when backend is not specified * Fix scan-build10 report on src/cubeb_oss.c:285 * Add __DragonFly__ pp macro testing along-side __FreeBSD__ * Move oss_init in default_init[] table right below alsa to respect POLA * Fix use-after-free of s->mutex in oss_stream_destroy * Fix inconsistent indentation * Remove blocks_written from cubeb_stream * Add LL integer suffix to make 0x80000000 more clear * Add parsing of /dev/sndstat for hw.snd.verbose > 0 in FreeBSD * Do device setup in the order of channels, format and speed, according to developer/callorder.html of OSS v4.x API reference * Add proper latency_frame support for oss_stream_init * Mark close brackets and close braces NUL in oss_sndstat_line_parse * Search close brackets and close braces from the end of line in oss_sndstat_line_parse * Use 32 frames for each fragments in oss_calc_frag_params * Drop unnecessary #include <sys/sysctl.h> * Add support for cubeb_channel_layout * Compilation and scan-build fixes: * Fix warnings in oss_chn_from_cubeb * Include cubeb_mixer.h to have cubeb_channel_layout_nb_channels * Fix potential resource leakage in input_stream_layout->layout does not match input_stream_params->channels. (The same for output_stream_layout) * Classify cubeb_stream_params::layout and cubeb_stream_params::channels mismatch as CUBEB_ERROR_INVALID_PARAMETER * AUDIODEVICE can now override /dev/dsp AUDIODEVICE was chosen to match the sndio backend. * Change environment variable AUDIODEVICE to AUDIO_DEVICE in oss backend * Change the format of cubeb_device_info's friendly_name This avoids name collision when setting media.cubeb.output_device in about:config of Firefox. However, I think it makes more sense on Firefox's side to use device_id instead. * Fix warning of a missing %d in LOG() in oss_io_routine * Do not enable OSS compilation when SOUND_VERSION < 0x040000 * Add mutex to serialize access to cubeb_strings in cubeb_oss's cubeb_context * Change the calculation of fragsize/nfr to match stream latency, with 2 fragments available. By HPS * Now reuse the same thread for audiostream * Redo the duplex logic * Restructure the use of buffers * Fix problems dealing with draining * Revert "Fix problems dealing with draining" This reverts commit 30301ba101. * Revert "Restructure the use of buffers" This reverts commit 9823ca889c. * Revert "Revert "Restructure the use of buffers"" This reverts commit 10dc869b85. * Revert "Revert "Fix problems dealing with draining"" This reverts commit 9d19b10944. * Make sure there are at least s->nfr available before calling data_cb * Kill a signed/unsigned comparison * Add The FreeBSD Foundation copyright line for recent commits * Fix race condition when restarting a stream by HPS Originally, when stopping a stream and immediately starting the stream again, the start call might be lost. * Do not signal the doorbell_cv again when a stream is already stopped This is redundant. * Revert "Do not signal the doorbell_cv again when a stream is already stopped" This reverts commit fbdf753fc7. * Make state changes look more similar to pulse backend This also allows drained/short-input stream to be resumed without stopping it first. * Remove a spurious s->running = false		2020-10-09 19:09:39 +02:00
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oss_is_v4.c	OSS (FreeBSD/illumos) backend (#600)	2020-10-09 19:09:39 +02:00