diff options
Diffstat (limited to 'src/modules/module-waveout.c')
| -rw-r--r-- | src/modules/module-waveout.c | 815 |
1 files changed, 815 insertions, 0 deletions
diff --git a/src/modules/module-waveout.c b/src/modules/module-waveout.c new file mode 100644 index 0000000..f7ffdf7 --- /dev/null +++ b/src/modules/module-waveout.c @@ -0,0 +1,815 @@ +/*** + This file is part of PulseAudio. + + Copyright 2006 Lennart Poettering + Copyright 2006-2007 Pierre Ossman <ossman@cendio.se> for Cendio AB + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 2.1 of the License, + or (at your option) any later version. + + PulseAudio is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with PulseAudio; if not, see <http://www.gnu.org/licenses/>. +***/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <windows.h> +#include <mmsystem.h> +#include <string.h> + +#include <pulse/xmalloc.h> +#include <pulse/timeval.h> + +#include <pulsecore/sink.h> +#include <pulsecore/source.h> +#include <pulsecore/module.h> +#include <pulsecore/modargs.h> +#include <pulsecore/sample-util.h> +#include <pulsecore/core-util.h> +#include <pulsecore/log.h> +#include <pulsecore/thread.h> +#include <pulsecore/thread-mq.h> + +PA_MODULE_AUTHOR("Pierre Ossman"); +PA_MODULE_DESCRIPTION("Windows waveOut Sink/Source"); +PA_MODULE_VERSION(PACKAGE_VERSION); +PA_MODULE_USAGE( + "sink_name=<name for the sink> " + "source_name=<name for the source> " + "output_device=<device number for the sink> " + "output_device_name=<name of the output device> " + "input_device=<device number for the source> " + "input_device_name=<name of the input device> " + "record=<enable source?> " + "playback=<enable sink?> " + "format=<sample format> " + "rate=<sample rate> " + "channels=<number of channels> " + "channel_map=<channel map> " + "fragments=<number of fragments> " + "fragment_size=<fragment size>" + "device=<device number - deprecated>" + "device_name=<name of the device - deprecated>"); + +#define DEFAULT_SINK_NAME "wave_output" +#define DEFAULT_SOURCE_NAME "wave_input" + +#define WAVEOUT_MAX_VOLUME 0xFFFF + +struct userdata { + pa_sink *sink; + pa_source *source; + pa_core *core; + pa_usec_t poll_timeout; + + pa_thread *thread; + pa_thread_mq thread_mq; + pa_rtpoll *rtpoll; + + uint32_t fragments, fragment_size; + + uint32_t free_ofrags, free_ifrags; + + DWORD written_bytes; + int sink_underflow; + + int cur_ohdr, cur_ihdr; + WAVEHDR *ohdrs, *ihdrs; + + HWAVEOUT hwo; + HWAVEIN hwi; + pa_module *module; + + CRITICAL_SECTION crit; +}; + +static const char* const valid_modargs[] = { + "sink_name", + "source_name", + "output_device", + "output_device_name", + "input_device", + "input_device_name", + "record", + "playback", + "fragments", + "fragment_size", + "format", + "rate", + "channels", + "channel_map", + "device", + "device_name", + NULL +}; + +static void do_write(struct userdata *u) { + uint32_t free_frags; + pa_memchunk memchunk; + WAVEHDR *hdr; + MMRESULT res; + void *p; + + if (!u->sink) + return; + + if (!PA_SINK_IS_LINKED(u->sink->state)) + return; + + EnterCriticalSection(&u->crit); + free_frags = u->free_ofrags; + LeaveCriticalSection(&u->crit); + + if (!u->sink_underflow && (free_frags == u->fragments)) + pa_log_debug("WaveOut underflow!"); + + while (free_frags) { + hdr = &u->ohdrs[u->cur_ohdr]; + if (hdr->dwFlags & WHDR_PREPARED) + waveOutUnprepareHeader(u->hwo, hdr, sizeof(WAVEHDR)); + + hdr->dwBufferLength = 0; + while (hdr->dwBufferLength < u->fragment_size) { + size_t len; + + len = u->fragment_size - hdr->dwBufferLength; + + pa_sink_render(u->sink, len, &memchunk); + + pa_assert(memchunk.memblock); + pa_assert(memchunk.length); + + if (memchunk.length < len) + len = memchunk.length; + + p = pa_memblock_acquire(memchunk.memblock); + memcpy(hdr->lpData + hdr->dwBufferLength, (char*) p + memchunk.index, len); + pa_memblock_release(memchunk.memblock); + + hdr->dwBufferLength += len; + + pa_memblock_unref(memchunk.memblock); + memchunk.memblock = NULL; + } + + /* Underflow detection */ + if (hdr->dwBufferLength == 0) { + u->sink_underflow = 1; + break; + } + u->sink_underflow = 0; + + res = waveOutPrepareHeader(u->hwo, hdr, sizeof(WAVEHDR)); + if (res != MMSYSERR_NOERROR) + pa_log_error("Unable to prepare waveOut block: %d", res); + + res = waveOutWrite(u->hwo, hdr, sizeof(WAVEHDR)); + if (res != MMSYSERR_NOERROR) + pa_log_error("Unable to write waveOut block: %d", res); + + u->written_bytes += hdr->dwBufferLength; + + EnterCriticalSection(&u->crit); + u->free_ofrags--; + LeaveCriticalSection(&u->crit); + + free_frags--; + u->cur_ohdr++; + u->cur_ohdr %= u->fragments; + } +} + +static void do_read(struct userdata *u) { + uint32_t free_frags; + pa_memchunk memchunk; + WAVEHDR *hdr; + MMRESULT res; + void *p; + + if (!u->source) + return; + + if (!PA_SOURCE_IS_LINKED(u->source->state)) + return; + + EnterCriticalSection(&u->crit); + free_frags = u->free_ifrags; + u->free_ifrags = 0; + LeaveCriticalSection(&u->crit); + + if (free_frags == u->fragments) + pa_log_debug("WaveIn overflow!"); + + while (free_frags) { + hdr = &u->ihdrs[u->cur_ihdr]; + if (hdr->dwFlags & WHDR_PREPARED) + waveInUnprepareHeader(u->hwi, hdr, sizeof(WAVEHDR)); + + if (hdr->dwBytesRecorded) { + memchunk.memblock = pa_memblock_new(u->core->mempool, hdr->dwBytesRecorded); + pa_assert(memchunk.memblock); + + p = pa_memblock_acquire(memchunk.memblock); + memcpy((char*) p, hdr->lpData, hdr->dwBytesRecorded); + pa_memblock_release(memchunk.memblock); + + memchunk.length = hdr->dwBytesRecorded; + memchunk.index = 0; + + pa_source_post(u->source, &memchunk); + pa_memblock_unref(memchunk.memblock); + } + + res = waveInPrepareHeader(u->hwi, hdr, sizeof(WAVEHDR)); + if (res != MMSYSERR_NOERROR) + pa_log_error("Unable to prepare waveIn block: %d", res); + + res = waveInAddBuffer(u->hwi, hdr, sizeof(WAVEHDR)); + if (res != MMSYSERR_NOERROR) + pa_log_error("Unable to add waveIn block: %d", res); + + free_frags--; + u->cur_ihdr++; + u->cur_ihdr %= u->fragments; + } +} + +static void thread_func(void *userdata) { + struct userdata *u = userdata; + + pa_assert(u); + pa_assert(u->sink || u->source); + + pa_log_debug("Thread starting up"); + + if (u->core->realtime_scheduling) + pa_thread_make_realtime(u->core->realtime_priority); + + pa_thread_mq_install(&u->thread_mq); + + for (;;) { + int ret; + bool need_timer = false; + + if (u->sink) { + if (PA_UNLIKELY(u->sink->thread_info.rewind_requested)) + pa_sink_process_rewind(u->sink, 0); + + if (PA_SINK_IS_OPENED(u->sink->thread_info.state)) { + do_write(u); + need_timer = true; + } + } + + if (u->source && PA_SOURCE_IS_OPENED(u->source->thread_info.state)) { + do_read(u); + need_timer = true; + } + + if (need_timer) + pa_rtpoll_set_timer_relative(u->rtpoll, u->poll_timeout); + else + pa_rtpoll_set_timer_disabled(u->rtpoll); + + /* Hmm, nothing to do. Let's sleep */ + if ((ret = pa_rtpoll_run(u->rtpoll)) < 0) + goto fail; + + if (ret == 0) + goto finish; + } + +fail: + /* If this was no regular exit from the loop we have to continue + * processing messages until we received PA_MESSAGE_SHUTDOWN */ + pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL); + pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN); + +finish: + pa_log_debug("Thread shutting down"); +} + +static void CALLBACK chunk_done_cb(HWAVEOUT hwo, UINT msg, DWORD_PTR inst, DWORD param1, DWORD param2) { + struct userdata *u = (struct userdata*) inst; + + if (msg == WOM_OPEN) + pa_log_debug("WaveOut subsystem opened."); + if (msg == WOM_CLOSE) + pa_log_debug("WaveOut subsystem closed."); + if (msg != WOM_DONE) + return; + + EnterCriticalSection(&u->crit); + u->free_ofrags++; + pa_assert(u->free_ofrags <= u->fragments); + LeaveCriticalSection(&u->crit); +} + +static void CALLBACK chunk_ready_cb(HWAVEIN hwi, UINT msg, DWORD_PTR inst, DWORD param1, DWORD param2) { + struct userdata *u = (struct userdata*) inst; + + if (msg == WIM_OPEN) + pa_log_debug("WaveIn subsystem opened."); + if (msg == WIM_CLOSE) + pa_log_debug("WaveIn subsystem closed."); + if (msg != WIM_DATA) + return; + + EnterCriticalSection(&u->crit); + u->free_ifrags++; + pa_assert(u->free_ifrags <= u->fragments); + LeaveCriticalSection(&u->crit); +} + +static pa_usec_t sink_get_latency(struct userdata *u) { + uint32_t free_frags; + MMTIME mmt; + pa_assert(u); + pa_assert(u->sink); + + memset(&mmt, 0, sizeof(mmt)); + mmt.wType = TIME_BYTES; + if (waveOutGetPosition(u->hwo, &mmt, sizeof(mmt)) == MMSYSERR_NOERROR) + return pa_bytes_to_usec(u->written_bytes - mmt.u.cb, &u->sink->sample_spec); + else { + EnterCriticalSection(&u->crit); + free_frags = u->free_ofrags; + LeaveCriticalSection(&u->crit); + + return pa_bytes_to_usec((u->fragments - free_frags) * u->fragment_size, &u->sink->sample_spec); + } +} + +static pa_usec_t source_get_latency(struct userdata *u) { + pa_usec_t r = 0; + uint32_t free_frags; + pa_assert(u); + pa_assert(u->source); + + EnterCriticalSection(&u->crit); + free_frags = u->free_ifrags; + LeaveCriticalSection(&u->crit); + + r += pa_bytes_to_usec((free_frags + 1) * u->fragment_size, &u->source->sample_spec); + + return r; +} + +static int process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) { + struct userdata *u; + + if (pa_sink_isinstance(o)) { + u = PA_SINK(o)->userdata; + + switch (code) { + + case PA_SINK_MESSAGE_GET_LATENCY: { + pa_usec_t r = 0; + if (u->hwo) + r = sink_get_latency(u); + *((int64_t*) data) = (int64_t)r; + return 0; + } + + } + + return pa_sink_process_msg(o, code, data, offset, chunk); + } + + if (pa_source_isinstance(o)) { + u = PA_SOURCE(o)->userdata; + + switch (code) { + + case PA_SOURCE_MESSAGE_GET_LATENCY: { + pa_usec_t r = 0; + if (u->hwi) + r = source_get_latency(u); + *((int64_t*) data) = (int64_t)r; + return 0; + } + + } + + return pa_source_process_msg(o, code, data, offset, chunk); + } + + return -1; +} + +static void sink_get_volume_cb(pa_sink *s) { + struct userdata *u = s->userdata; + WAVEOUTCAPS caps; + DWORD vol; + pa_volume_t left, right; + + if (waveOutGetDevCaps(u->hwo, &caps, sizeof(caps)) != MMSYSERR_NOERROR) + return; + if (!(caps.dwSupport & WAVECAPS_VOLUME)) + return; + + if (waveOutGetVolume(u->hwo, &vol) != MMSYSERR_NOERROR) + return; + + left = PA_CLAMP_VOLUME((vol & 0xFFFF) * PA_VOLUME_NORM / WAVEOUT_MAX_VOLUME); + if (caps.dwSupport & WAVECAPS_LRVOLUME) + right = PA_CLAMP_VOLUME(((vol >> 16) & 0xFFFF) * PA_VOLUME_NORM / WAVEOUT_MAX_VOLUME); + else + right = left; + + /* Windows supports > 2 channels, except for volume control */ + if (s->real_volume.channels > 2) + pa_cvolume_set(&s->real_volume, s->real_volume.channels, (left + right)/2); + + s->real_volume.values[0] = left; + if (s->real_volume.channels > 1) + s->real_volume.values[1] = right; +} + +static void sink_set_volume_cb(pa_sink *s) { + struct userdata *u = s->userdata; + WAVEOUTCAPS caps; + DWORD vol; + + if (waveOutGetDevCaps(u->hwo, &caps, sizeof(caps)) != MMSYSERR_NOERROR) + return; + if (!(caps.dwSupport & WAVECAPS_VOLUME)) + return; + + if (s->real_volume.channels == 2 && caps.dwSupport & WAVECAPS_LRVOLUME) { + vol = (s->real_volume.values[0] * WAVEOUT_MAX_VOLUME / PA_VOLUME_NORM) + | (s->real_volume.values[1] * WAVEOUT_MAX_VOLUME / PA_VOLUME_NORM) << 16; + } else { + vol = (pa_cvolume_avg(&(s->real_volume)) * WAVEOUT_MAX_VOLUME / PA_VOLUME_NORM) + | (pa_cvolume_avg(&(s->real_volume)) * WAVEOUT_MAX_VOLUME / PA_VOLUME_NORM) << 16; + } + + if (waveOutSetVolume(u->hwo, vol) != MMSYSERR_NOERROR) + return; +} + +static int ss_to_waveformat(pa_sample_spec *ss, LPWAVEFORMATEX wf) { + wf->wFormatTag = WAVE_FORMAT_PCM; + + if (ss->channels > 2) { + pa_log_error("More than two channels not supported."); + return -1; + } + + wf->nChannels = ss->channels; + + wf->nSamplesPerSec = ss->rate; + + if (ss->format == PA_SAMPLE_U8) + wf->wBitsPerSample = 8; + else if (ss->format == PA_SAMPLE_S16NE) + wf->wBitsPerSample = 16; + else { + pa_log_error("Unsupported sample format, only u8 and s16 are supported."); + return -1; + } + + wf->nBlockAlign = wf->nChannels * wf->wBitsPerSample/8; + wf->nAvgBytesPerSec = wf->nSamplesPerSec * wf->nBlockAlign; + + wf->cbSize = 0; + + return 0; +} + +int pa__get_n_used(pa_module *m) { + struct userdata *u; + pa_assert(m); + pa_assert(m->userdata); + u = (struct userdata*) m->userdata; + + return (u->sink ? pa_sink_used_by(u->sink) : 0) + + (u->source ? pa_source_used_by(u->source) : 0); +} + +int pa__init(pa_module *m) { + struct userdata *u = NULL; + HWAVEOUT hwo = INVALID_HANDLE_VALUE; + HWAVEIN hwi = INVALID_HANDLE_VALUE; + WAVEFORMATEX wf; + WAVEOUTCAPS pwoc; + WAVEINCAPS pwic; + MMRESULT result; + int nfrags, frag_size; + bool record = true, playback = true; + unsigned int input_device; + unsigned int output_device; + pa_sample_spec ss; + pa_channel_map map; + pa_modargs *ma = NULL; + const char *input_device_name = NULL; + const char *output_device_name = NULL; + unsigned int i; + + pa_assert(m); + pa_assert(m->core); + + if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { + pa_log("failed to parse module arguments."); + goto fail; + } + + /* Check whether deprecated arguments have been used. */ + if (pa_modargs_get_value(ma, "device", NULL) != NULL || pa_modargs_get_value(ma, "device_name", NULL) != NULL) { + pa_log("device and device_name are no longer supported. Please use input_device, input_device_name, output_device and output_device_name."); + goto fail; + } + + if (pa_modargs_get_value_boolean(ma, "record", &record) < 0 || pa_modargs_get_value_boolean(ma, "playback", &playback) < 0) { + pa_log("record= and playback= expect boolean argument."); + goto fail; + } + + if (!playback && !record) { + pa_log("neither playback nor record enabled for device."); + goto fail; + } + + /* Set the output_device to be opened. If set output_device_name is used, + * else output_device if set and lastly WAVE_MAPPER is the default */ + output_device = WAVE_MAPPER; + if (pa_modargs_get_value_u32(ma, "output_device", &output_device) < 0) { + pa_log("failed to parse output_device argument"); + goto fail; + } + if ((output_device_name = pa_modargs_get_value(ma, "output_device_name", NULL)) != NULL) { + unsigned int num_output_devices = waveOutGetNumDevs(); + for (i = 0; i < num_output_devices; i++) { + if (waveOutGetDevCaps(i, &pwoc, sizeof(pwoc)) == MMSYSERR_NOERROR) + if (strcmp(output_device_name, pwoc.szPname) == 0) + break; + } + if (i < num_output_devices) + output_device = i; + else { + pa_log("output_device not found: %s", output_device_name); + goto fail; + } + } + if (waveOutGetDevCaps(output_device, &pwoc, sizeof(pwoc)) == MMSYSERR_NOERROR) + output_device_name = pwoc.szPname; + else + output_device_name = "unknown"; + + /* Set the input_device to be opened. If set input_device_name is used, + * else input_device if set and lastly WAVE_MAPPER is the default */ + input_device = WAVE_MAPPER; + if (pa_modargs_get_value_u32(ma, "input_device", &input_device) < 0) { + pa_log("failed to parse input_device argument"); + goto fail; + } + if ((input_device_name = pa_modargs_get_value(ma, "input_device_name", NULL)) != NULL) { + unsigned int num_input_devices = waveInGetNumDevs(); + for (i = 0; i < num_input_devices; i++) { + if (waveInGetDevCaps(i, &pwic, sizeof(pwic)) == MMSYSERR_NOERROR) + if (strcmp(input_device_name, pwic.szPname) == 0) + break; + } + if (i < num_input_devices) + input_device = i; + else { + pa_log("input_device not found: %s", input_device_name); + goto fail; + } + } + if (waveInGetDevCaps(input_device, &pwic, sizeof(pwic)) == MMSYSERR_NOERROR) + input_device_name = pwic.szPname; + else + input_device_name = "unknown"; + + + nfrags = 5; + frag_size = 8192; + if (pa_modargs_get_value_s32(ma, "fragments", &nfrags) < 0 || pa_modargs_get_value_s32(ma, "fragment_size", &frag_size) < 0) { + pa_log("failed to parse fragments arguments"); + goto fail; + } + + ss = m->core->default_sample_spec; + if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_WAVEEX) < 0) { + pa_log("failed to parse sample specification"); + goto fail; + } + + if (ss_to_waveformat(&ss, &wf) < 0) + goto fail; + + u = pa_xmalloc(sizeof(struct userdata)); + + if (record) { + result = waveInOpen(&hwi, input_device, &wf, 0, 0, WAVE_FORMAT_DIRECT | WAVE_FORMAT_QUERY); + if (result != MMSYSERR_NOERROR) { + pa_log_warn("Sample spec not supported by WaveIn, falling back to default sample rate."); + ss.rate = wf.nSamplesPerSec = m->core->default_sample_spec.rate; + } + result = waveInOpen(&hwi, input_device, &wf, (DWORD_PTR) chunk_ready_cb, (DWORD_PTR) u, CALLBACK_FUNCTION); + if (result != MMSYSERR_NOERROR) { + char errortext[MAXERRORLENGTH]; + pa_log("Failed to open WaveIn."); + if (waveInGetErrorText(result, errortext, sizeof(errortext)) == MMSYSERR_NOERROR) + pa_log("Error: %s", errortext); + goto fail; + } + if (waveInStart(hwi) != MMSYSERR_NOERROR) { + pa_log("failed to start waveIn"); + goto fail; + } + } + + if (playback) { + result = waveOutOpen(&hwo, output_device, &wf, 0, 0, WAVE_FORMAT_DIRECT | WAVE_FORMAT_QUERY); + if (result != MMSYSERR_NOERROR) { + pa_log_warn("Sample spec not supported by WaveOut, falling back to default sample rate."); + ss.rate = wf.nSamplesPerSec = m->core->default_sample_spec.rate; + } + result = waveOutOpen(&hwo, output_device, &wf, (DWORD_PTR) chunk_done_cb, (DWORD_PTR) u, CALLBACK_FUNCTION); + if (result != MMSYSERR_NOERROR) { + char errortext[MAXERRORLENGTH]; + pa_log("Failed to open WaveOut."); + if (waveOutGetErrorText(result, errortext, sizeof(errortext)) == MMSYSERR_NOERROR) + pa_log("Error: %s", errortext); + goto fail; + } + } + + InitializeCriticalSection(&u->crit); + + if (hwi != INVALID_HANDLE_VALUE) { + pa_source_new_data data; + pa_source_new_data_init(&data); + data.driver = __FILE__; + data.module = m; + pa_source_new_data_set_sample_spec(&data, &ss); + pa_source_new_data_set_channel_map(&data, &map); + pa_source_new_data_set_name(&data, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME)); + pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "WaveIn on %s", input_device_name); + u->source = pa_source_new(m->core, &data, PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY); + pa_source_new_data_done(&data); + + pa_assert(u->source); + u->source->userdata = u; + u->source->parent.process_msg = process_msg; + } else + u->source = NULL; + + if (hwo != INVALID_HANDLE_VALUE) { + pa_sink_new_data data; + pa_sink_new_data_init(&data); + data.driver = __FILE__; + data.module = m; + pa_sink_new_data_set_sample_spec(&data, &ss); + pa_sink_new_data_set_channel_map(&data, &map); + pa_sink_new_data_set_name(&data, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME)); + pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "WaveOut on %s", output_device_name); + u->sink = pa_sink_new(m->core, &data, PA_SINK_HARDWARE|PA_SINK_LATENCY); + pa_sink_new_data_done(&data); + + pa_assert(u->sink); + pa_sink_set_get_volume_callback(u->sink, sink_get_volume_cb); + pa_sink_set_set_volume_callback(u->sink, sink_set_volume_cb); + u->sink->userdata = u; + u->sink->parent.process_msg = process_msg; + } else + u->sink = NULL; + + pa_assert(u->source || u->sink); + pa_modargs_free(ma); + + u->core = m->core; + u->hwi = hwi; + u->hwo = hwo; + + u->fragments = nfrags; + u->free_ifrags = u->fragments; + u->free_ofrags = u->fragments; + u->fragment_size = frag_size - (frag_size % pa_frame_size(&ss)); + + u->written_bytes = 0; + u->sink_underflow = 1; + + u->poll_timeout = pa_bytes_to_usec(u->fragments * u->fragment_size / 10, &ss); + pa_log_debug("Poll timeout = %.1f ms", (double) u->poll_timeout / PA_USEC_PER_MSEC); + + u->cur_ihdr = 0; + u->cur_ohdr = 0; + u->ihdrs = pa_xmalloc0(sizeof(WAVEHDR) * u->fragments); + pa_assert(u->ihdrs); + u->ohdrs = pa_xmalloc0(sizeof(WAVEHDR) * u->fragments); + pa_assert(u->ohdrs); + for (i = 0; i < u->fragments; i++) { + u->ihdrs[i].dwBufferLength = u->fragment_size; + u->ohdrs[i].dwBufferLength = u->fragment_size; + u->ihdrs[i].lpData = pa_xmalloc(u->fragment_size); + pa_assert(u->ihdrs); + u->ohdrs[i].lpData = pa_xmalloc(u->fragment_size); + pa_assert(u->ohdrs); + } + + u->module = m; + m->userdata = u; + + /* Read mixer settings */ + if (u->sink) + sink_get_volume_cb(u->sink); + + u->rtpoll = pa_rtpoll_new(); + + if (pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll) < 0) { + pa_log("pa_thread_mq_init() failed."); + goto fail; + } + + if (u->sink) { + pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq); + pa_sink_set_rtpoll(u->sink, u->rtpoll); + } + if (u->source) { + pa_source_set_asyncmsgq(u->source, u->thread_mq.inq); + pa_source_set_rtpoll(u->source, u->rtpoll); + } + + if (!(u->thread = pa_thread_new("waveout", thread_func, u))) { + pa_log("Failed to create thread."); + goto fail; + } + + if (u->sink) + pa_sink_put(u->sink); + if (u->source) + pa_source_put(u->source); + + return 0; + +fail: + if (ma) + pa_modargs_free(ma); + + pa__done(m); + + return -1; +} + +void pa__done(pa_module *m) { + struct userdata *u; + unsigned int i; + + pa_assert(m); + pa_assert(m->core); + + if (!(u = m->userdata)) + return; + + if (u->sink) + pa_sink_unlink(u->sink); + if (u->source) + pa_source_unlink(u->source); + + pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL); + if (u->thread) + pa_thread_free(u->thread); + pa_thread_mq_done(&u->thread_mq); + + if (u->sink) + pa_sink_unref(u->sink); + if (u->source) + pa_source_unref(u->source); + + if (u->rtpoll) + pa_rtpoll_free(u->rtpoll); + + if (u->hwi != INVALID_HANDLE_VALUE) { + waveInReset(u->hwi); + waveInClose(u->hwi); + } + + if (u->hwo != INVALID_HANDLE_VALUE) { + waveOutReset(u->hwo); + waveOutClose(u->hwo); + } + + for (i = 0; i < u->fragments; i++) { + pa_xfree(u->ihdrs[i].lpData); + pa_xfree(u->ohdrs[i].lpData); + } + + pa_xfree(u->ihdrs); + pa_xfree(u->ohdrs); + + DeleteCriticalSection(&u->crit); + + pa_xfree(u); +} |