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authorMax Kellermann <max@duempel.org>2010-05-18 22:56:42 +0200
committerMax Kellermann <max@duempel.org>2010-05-20 09:33:05 +0200
commit9cce1d749a8ad8b3792881f16dbc4b1ddea49d1f (patch)
tree2cfe44b278a6f4d6d0093e99186036dddba7fa07
parented0b48040c41d2080e4abaa311a158d7115ef842 (diff)
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output/win32: new output plugin for Windows Wave
Diffstat (limited to '')
-rw-r--r--Makefile.am4
-rw-r--r--NEWS1
-rw-r--r--configure.ac18
-rw-r--r--src/output/win32_output_plugin.c296
-rw-r--r--src/output_list.c4
5 files changed, 323 insertions, 0 deletions
diff --git a/Makefile.am b/Makefile.am
index c07493f7b..49b1f46e9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -720,6 +720,10 @@ if ENABLE_SOLARIS_OUTPUT
OUTPUT_SRC += src/output/solaris_output_plugin.c
endif
+if ENABLE_WIN32_OUTPUT
+OUTPUT_SRC += src/output/win32_output_plugin.c
+endif
+
#
# Playlist plugins
diff --git a/NEWS b/NEWS
index 836f60208..3e280ee99 100644
--- a/NEWS
+++ b/NEWS
@@ -58,6 +58,7 @@ ver 0.16 (20??/??/??)
- httpd: bind port when output is enabled
- httpd: added name/genre/website configuration
- oss: 24 bit support via OSS4
+ - win32: new output plugin for Windows Wave
- wildcards allowed in audio_format configuration
- consistently lock audio output objects
* player:
diff --git a/configure.ac b/configure.ac
index b5573dc81..88017360c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1372,6 +1372,22 @@ esac
AM_CONDITIONAL(ENABLE_SOLARIS_OUTPUT, test x$enable_solaris_output = xyes)
+dnl --------------------------------- Solaris ---------------------------------
+
+case "$host_os" in
+ mingw32* | windows*)
+ AC_DEFINE(ENABLE_WIN32_OUTPUT, 1, [Define to enable WIN32 wave support])
+ enable_win32_output=yes
+ MPD_LIBS="$MPD_LIBS -lwinmm"
+ ;;
+
+ *)
+ enable_win32_output=no
+ ;;
+esac
+
+AM_CONDITIONAL(ENABLE_WIN32_OUTPUT, test x$enable_win32_output = xyes)
+
dnl --------------------- Post Audio Output Plugins Tests ---------------------
if
test x$enable_alsa = xno &&
@@ -1388,6 +1404,7 @@ if
test x$enable_recorder_output = xno &&
test x$enable_shout = xno &&
test x$enable_solaris_output = xno &&
+ test x$enable_win32_output = xno &&
AC_MSG_ERROR([No Audio Output types configured!])
fi
@@ -1523,6 +1540,7 @@ results(mvp, [Media MVP])
results(shout, [SHOUTcast])
echo -ne '\n\t'
results(solaris, [Solaris])
+results(win32_output, [WIN32 wave])
if
test x$enable_shout = xyes ||
diff --git a/src/output/win32_output_plugin.c b/src/output/win32_output_plugin.c
new file mode 100644
index 000000000..970c62d79
--- /dev/null
+++ b/src/output/win32_output_plugin.c
@@ -0,0 +1,296 @@
+/*
+ * 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,
+};
diff --git a/src/output_list.c b/src/output_list.c
index d94749e86..c5fd05b1d 100644
--- a/src/output_list.c
+++ b/src/output_list.c
@@ -36,6 +36,7 @@ extern const struct audio_output_plugin mvp_output_plugin;
extern const struct audio_output_plugin jack_output_plugin;
extern const struct audio_output_plugin httpd_output_plugin;
extern const struct audio_output_plugin recorder_output_plugin;
+extern const struct audio_output_plugin win32_output_plugin;
const struct audio_output_plugin *audio_output_plugins[] = {
#ifdef HAVE_SHOUT
@@ -81,6 +82,9 @@ const struct audio_output_plugin *audio_output_plugins[] = {
#ifdef ENABLE_RECORDER_OUTPUT
&recorder_output_plugin,
#endif
+#ifdef ENABLE_WIN32_OUTPUT
+ &win32_output_plugin,
+#endif
NULL
};