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-rw-r--r--src/audioOutputs/audioOutput_fifo.c290
1 files changed, 0 insertions, 290 deletions
diff --git a/src/audioOutputs/audioOutput_fifo.c b/src/audioOutputs/audioOutput_fifo.c
deleted file mode 100644
index d7eb91ff6..000000000
--- a/src/audioOutputs/audioOutput_fifo.c
+++ /dev/null
@@ -1,290 +0,0 @@
-/* the Music Player Daemon (MPD)
- * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
- * This project's homepage is: 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include "../output_api.h"
-
-#ifdef HAVE_FIFO
-
-#include "../log.h"
-#include "../utils.h"
-#include "../timer.h"
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-#define FIFO_BUFFER_SIZE 65536 /* pipe capacity on Linux >= 2.6.11 */
-
-typedef struct _FifoData {
- char *path;
- int input;
- int output;
- int created;
- Timer *timer;
-} FifoData;
-
-static FifoData *newFifoData(void)
-{
- FifoData *ret;
-
- ret = xmalloc(sizeof(FifoData));
-
- ret->path = NULL;
- ret->input = -1;
- ret->output = -1;
- ret->created = 0;
- ret->timer = NULL;
-
- return ret;
-}
-
-static void freeFifoData(FifoData *fd)
-{
- if (fd->path)
- free(fd->path);
-
- if (fd->timer)
- timer_free(fd->timer);
-
- free(fd);
-}
-
-static void removeFifo(FifoData *fd)
-{
- DEBUG("Removing FIFO \"%s\"\n", fd->path);
-
- if (unlink(fd->path) < 0) {
- ERROR("Could not remove FIFO \"%s\": %s\n",
- fd->path, strerror(errno));
- return;
- }
-
- fd->created = 0;
-}
-
-static void closeFifo(FifoData *fd)
-{
- struct stat st;
-
- if (fd->input >= 0) {
- close(fd->input);
- fd->input = -1;
- }
-
- if (fd->output >= 0) {
- close(fd->output);
- fd->output = -1;
- }
-
- if (fd->created && (stat(fd->path, &st) == 0))
- removeFifo(fd);
-}
-
-static int makeFifo(FifoData *fd)
-{
- if (mkfifo(fd->path, 0666) < 0) {
- ERROR("Couldn't create FIFO \"%s\": %s\n",
- fd->path, strerror(errno));
- return -1;
- }
-
- fd->created = 1;
-
- return 0;
-}
-
-static int checkFifo(FifoData *fd)
-{
- struct stat st;
-
- if (stat(fd->path, &st) < 0) {
- if (errno == ENOENT) {
- /* Path doesn't exist */
- return makeFifo(fd);
- }
-
- ERROR("Failed to stat FIFO \"%s\": %s\n",
- fd->path, strerror(errno));
- return -1;
- }
-
- if (!S_ISFIFO(st.st_mode)) {
- ERROR("\"%s\" already exists, but is not a FIFO\n", fd->path);
- return -1;
- }
-
- return 0;
-}
-
-static int openFifo(FifoData *fd)
-{
- if (checkFifo(fd) < 0)
- return -1;
-
- fd->input = open(fd->path, O_RDONLY|O_NONBLOCK);
- if (fd->input < 0) {
- ERROR("Could not open FIFO \"%s\" for reading: %s\n",
- fd->path, strerror(errno));
- closeFifo(fd);
- return -1;
- }
-
- fd->output = open(fd->path, O_WRONLY|O_NONBLOCK);
- if (fd->output < 0) {
- ERROR("Could not open FIFO \"%s\" for writing: %s\n",
- fd->path, strerror(errno));
- closeFifo(fd);
- return -1;
- }
-
- return 0;
-}
-
-static void *fifo_initDriver(mpd_unused struct audio_output *ao,
- mpd_unused const struct audio_format *audio_format,
- ConfigParam *param)
-{
- FifoData *fd;
- BlockParam *blockParam;
- char *path;
-
- blockParam = getBlockParam(param, "path");
- if (!blockParam) {
- FATAL("No \"path\" parameter specified for fifo output "
- "defined at line %i\n", param->line);
- }
-
- path = parsePath(blockParam->value);
- if (!path) {
- FATAL("Could not parse \"path\" parameter for fifo output "
- "at line %i\n", blockParam->line);
- }
-
- fd = newFifoData();
- fd->path = path;
-
- if (openFifo(fd) < 0) {
- freeFifoData(fd);
- return NULL;
- }
-
- return fd;
-}
-
-static void fifo_finishDriver(void *data)
-{
- FifoData *fd = (FifoData *)data;
-
- closeFifo(fd);
- freeFifoData(fd);
-}
-
-static int fifo_openDevice(void *data,
- struct audio_format *audio_format)
-{
- FifoData *fd = (FifoData *)data;
-
- if (fd->timer)
- timer_free(fd->timer);
-
- fd->timer = timer_new(audio_format);
-
- return 0;
-}
-
-static void fifo_closeDevice(void *data)
-{
- FifoData *fd = (FifoData *)data;
-
- if (fd->timer) {
- timer_free(fd->timer);
- fd->timer = NULL;
- }
-}
-
-static void fifo_dropBufferedAudio(void *data)
-{
- FifoData *fd = (FifoData *)data;
- char buf[FIFO_BUFFER_SIZE];
- int bytes = 1;
-
- timer_reset(fd->timer);
-
- while (bytes > 0 && errno != EINTR)
- bytes = read(fd->input, buf, FIFO_BUFFER_SIZE);
-
- if (bytes < 0 && errno != EAGAIN) {
- WARNING("Flush of FIFO \"%s\" failed: %s\n",
- fd->path, strerror(errno));
- }
-}
-
-static int fifo_playAudio(void *data,
- const char *playChunk, size_t size)
-{
- FifoData *fd = (FifoData *)data;
- size_t offset = 0;
- ssize_t bytes;
-
- if (!fd->timer->started)
- timer_start(fd->timer);
- else
- timer_sync(fd->timer);
-
- timer_add(fd->timer, size);
-
- while (size) {
- bytes = write(fd->output, playChunk + offset, size);
- if (bytes < 0) {
- switch (errno) {
- case EAGAIN:
- /* The pipe is full, so empty it */
- fifo_dropBufferedAudio(fd);
- continue;
- case EINTR:
- continue;
- }
-
- ERROR("Closing FIFO output \"%s\" due to write error: "
- "%s\n", fd->path, strerror(errno));
- fifo_closeDevice(fd);
- return -1;
- }
-
- size -= bytes;
- offset += bytes;
- }
-
- return 0;
-}
-
-const struct audio_output_plugin fifoPlugin = {
- .name = "fifo",
- .init = fifo_initDriver,
- .finish = fifo_finishDriver,
- .open = fifo_openDevice,
- .play = fifo_playAudio,
- .cancel = fifo_dropBufferedAudio,
- .close = fifo_closeDevice,
-};
-
-#else /* HAVE_FIFO */
-
-DISABLED_AUDIO_OUTPUT_PLUGIN(fifoPlugin)
-
-#endif /* !HAVE_FIFO */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 22:27:31 +0000