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Diffstat (limited to 'src/output/win32_output_plugin.c')
-rw-r--r--src/output/win32_output_plugin.c296
1 files changed, 0 insertions, 296 deletions
diff --git a/src/output/win32_output_plugin.c b/src/output/win32_output_plugin.c
deleted file mode 100644
index 970c62d79..000000000
--- a/src/output/win32_output_plugin.c
+++ /dev/null
@@ -1,296 +0,0 @@
-/*
- * Copyright (C) 2003-2010 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "config.h"
-#include "output_api.h"
-#include "pcm_buffer.h"
-
-#include <windows.h>
-
-#undef G_LOG_DOMAIN
-#define G_LOG_DOMAIN "win32_output"
-
-struct win32_buffer {
- struct pcm_buffer buffer;
-
- WAVEHDR hdr;
-};
-
-struct win32_output {
- HWAVEOUT handle;
-
- /**
- * This event is triggered by Windows when a buffer is
- * finished.
- */
- HANDLE event;
-
- struct win32_buffer buffers[8];
- unsigned next_buffer;
-};
-
-/**
- * The quark used for GError.domain.
- */
-static inline GQuark
-win32_output_quark(void)
-{
- return g_quark_from_static_string("win32_output");
-}
-
-static bool
-win32_output_test_default_device(void)
-{
- /* we assume that Wave is always available */
- return true;
-}
-
-static void *
-win32_output_init(G_GNUC_UNUSED const struct audio_format *audio_format,
- G_GNUC_UNUSED const struct config_param *param,
- G_GNUC_UNUSED GError **error)
-{
- struct win32_output *wo = g_new(struct win32_output, 1);
-
- return wo;
-}
-
-static void
-win32_output_finish(void *data)
-{
- struct win32_output *wo = data;
-
- g_free(wo);
-}
-
-static bool
-win32_output_open(void *data, struct audio_format *audio_format,
- GError **error_r)
-{
- struct win32_output *wo = data;
-
- wo->event = CreateEvent(NULL, false, false, NULL);
- if (wo->event == NULL) {
- g_set_error(error_r, win32_output_quark(), 0,
- "CreateEvent() failed");
- return false;
- }
-
- switch (audio_format->format) {
- case SAMPLE_FORMAT_S8:
- case SAMPLE_FORMAT_S16:
- break;
-
- case SAMPLE_FORMAT_S24:
- case SAMPLE_FORMAT_S24_P32:
- case SAMPLE_FORMAT_S32:
- case SAMPLE_FORMAT_UNDEFINED:
- /* we havn't tested formats other than S16 */
- audio_format->format = SAMPLE_FORMAT_S16;
- break;
- }
-
- if (audio_format->channels > 2)
- /* same here: more than stereo was not tested */
- audio_format->channels = 2;
-
- WAVEFORMATEX format;
- format.wFormatTag = WAVE_FORMAT_PCM;
- format.nChannels = audio_format->channels;
- format.nSamplesPerSec = audio_format->sample_rate;
- format.nBlockAlign = audio_format_frame_size(audio_format);
- format.nAvgBytesPerSec = format.nSamplesPerSec * format.nBlockAlign;
- format.wBitsPerSample = audio_format_sample_size(audio_format) * 8;
- format.cbSize = 0;
-
- MMRESULT result = waveOutOpen(&wo->handle, WAVE_MAPPER, &format,
- (DWORD_PTR)wo->event, 0, CALLBACK_EVENT);
- if (result != MMSYSERR_NOERROR) {
- CloseHandle(wo->event);
- g_set_error(error_r, win32_output_quark(), result,
- "waveOutOpen() failed");
- return false;
- }
-
- for (unsigned i = 0; i < G_N_ELEMENTS(wo->buffers); ++i) {
- pcm_buffer_init(&wo->buffers[i].buffer);
- memset(&wo->buffers[i].hdr, 0, sizeof(wo->buffers[i].hdr));
- }
-
- wo->next_buffer = 0;
-
- return true;
-}
-
-static void
-win32_output_close(void *data)
-{
- struct win32_output *wo = data;
-
- for (unsigned i = 0; i < G_N_ELEMENTS(wo->buffers); ++i)
- pcm_buffer_deinit(&wo->buffers[i].buffer);
-
- waveOutClose(wo->handle);
-
- CloseHandle(wo->event);
-}
-
-/**
- * Copy data into a buffer, and prepare the wave header.
- */
-static bool
-win32_set_buffer(struct win32_output *wo, struct win32_buffer *buffer,
- const void *data, size_t size,
- GError **error_r)
-{
- void *dest = pcm_buffer_get(&buffer->buffer, size);
- if (dest == NULL) {
- g_set_error(error_r, win32_output_quark(), 0,
- "Out of memory");
- return false;
- }
-
- memcpy(dest, data, size);
-
- memset(&buffer->hdr, 0, sizeof(buffer->hdr));
- buffer->hdr.lpData = dest;
- buffer->hdr.dwBufferLength = size;
-
- MMRESULT result = waveOutPrepareHeader(wo->handle, &buffer->hdr,
- sizeof(buffer->hdr));
- if (result != MMSYSERR_NOERROR) {
- g_set_error(error_r, win32_output_quark(), result,
- "waveOutPrepareHeader() failed");
- return false;
- }
-
- return true;
-}
-
-/**
- * Wait until the buffer is finished.
- */
-static bool
-win32_drain_buffer(struct win32_output *wo, struct win32_buffer *buffer,
- GError **error_r)
-{
- if ((buffer->hdr.dwFlags & WHDR_DONE) == WHDR_DONE)
- /* already finished */
- return true;
-
- while (true) {
- MMRESULT result = waveOutUnprepareHeader(wo->handle,
- &buffer->hdr,
- sizeof(buffer->hdr));
- if (result == MMSYSERR_NOERROR)
- return true;
- else if (result != WAVERR_STILLPLAYING) {
- g_set_error(error_r, win32_output_quark(), result,
- "waveOutUnprepareHeader() failed");
- return false;
- }
-
- /* wait some more */
- WaitForSingleObject(wo->event, INFINITE);
- }
-}
-
-static size_t
-win32_output_play(void *data, const void *chunk, size_t size, GError **error_r)
-{
- struct win32_output *wo = data;
-
- /* get the next buffer from the ring and prepare it */
- struct win32_buffer *buffer = &wo->buffers[wo->next_buffer];
- if (!win32_drain_buffer(wo, buffer, error_r) ||
- !win32_set_buffer(wo, buffer, chunk, size, error_r))
- return 0;
-
- /* enqueue the buffer */
- MMRESULT result = waveOutWrite(wo->handle, &buffer->hdr,
- sizeof(buffer->hdr));
- if (result != MMSYSERR_NOERROR) {
- waveOutUnprepareHeader(wo->handle, &buffer->hdr,
- sizeof(buffer->hdr));
- g_set_error(error_r, win32_output_quark(), result,
- "waveOutWrite() failed");
- return 0;
- }
-
- /* mark our buffer as "used" */
- wo->next_buffer = (wo->next_buffer + 1) %
- G_N_ELEMENTS(wo->buffers);
-
- return size;
-}
-
-static bool
-win32_drain_all_buffers(struct win32_output *wo, GError **error_r)
-{
- for (unsigned i = wo->next_buffer; i < G_N_ELEMENTS(wo->buffers); ++i)
- if (!win32_drain_buffer(wo, &wo->buffers[i], error_r))
- return false;
-
- for (unsigned i = 0; i < wo->next_buffer; ++i)
- if (!win32_drain_buffer(wo, &wo->buffers[i], error_r))
- return false;
-
- return true;
-}
-
-static void
-win32_stop(struct win32_output *wo)
-{
- waveOutReset(wo->handle);
-
- for (unsigned i = 0; i < G_N_ELEMENTS(wo->buffers); ++i) {
- struct win32_buffer *buffer = &wo->buffers[i];
- waveOutUnprepareHeader(wo->handle, &buffer->hdr,
- sizeof(buffer->hdr));
- }
-}
-
-static void
-win32_output_drain(void *data)
-{
- struct win32_output *wo = data;
-
- if (!win32_drain_all_buffers(wo, NULL))
- win32_stop(wo);
-}
-
-static void
-win32_output_cancel(void *data)
-{
- struct win32_output *wo = data;
-
- win32_stop(wo);
-}
-
-const struct audio_output_plugin win32_output_plugin = {
- .name = "win32",
- .test_default_device = win32_output_test_default_device,
- .init = win32_output_init,
- .finish = win32_output_finish,
- .open = win32_output_open,
- .close = win32_output_close,
- .play = win32_output_play,
- .drain = win32_output_drain,
- .cancel = win32_output_cancel,
-};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 14:23:21 +0000