static int
dump_input_stream(struct input_stream *is)
{
GError *error = NULL;
char buffer[4096];
size_t num_read;
ssize_t num_written;
/* wait until the stream becomes ready */
while (!is->ready) {
int ret = input_stream_buffer(is, &error);
if (ret < 0) {
/* error */
g_warning("%s", error->message);
g_error_free(error);
return 2;
}
if (ret == 0)
/* nothing was buffered - wait */
g_usleep(10000);
}
/* print meta data */
if (is->mime != NULL)
g_printerr("MIME type: %s\n", is->mime);
/* read data and tags from the stream */
while (!input_stream_eof(is)) {
struct tag *tag = input_stream_tag(is);
if (tag != NULL) {
g_printerr("Received a tag:\n");
tag_save(stderr, tag);
tag_free(tag);
}
num_read = input_stream_read(is, buffer, sizeof(buffer),
&error);
if (num_read == 0) {
if (error != NULL) {
g_warning("%s", error->message);
g_error_free(error);
}
break;
}
num_written = write(1, buffer, num_read);
if (num_written <= 0)
break;
}
return 0;
}
void
song_save(FILE *fp, const struct song *song)
{
fprintf(fp, SONG_BEGIN "%s\n", song->uri);
if (song->end_ms > 0)
fprintf(fp, "Range: %u-%u\n", song->start_ms, song->end_ms);
else if (song->start_ms > 0)
fprintf(fp, "Range: %u-\n", song->start_ms);
if (song->tag != NULL)
tag_save(fp, song->tag);
fprintf(fp, SONG_MTIME ": %li\n", (long)song->mtime);
fprintf(fp, SONG_END "\n");
}
static int
dump_input_stream(struct input_stream *is)
{
GError *error = NULL;
char buffer[4096];
size_t num_read;
ssize_t num_written;
input_stream_lock(is);
/* wait until the stream becomes ready */
input_stream_wait_ready(is);
if (!input_stream_check(is, &error)) {
g_warning("%s", error->message);
g_error_free(error);
input_stream_unlock(is);
return EXIT_FAILURE;
}
/* print meta data */
if (is->mime != NULL)
g_printerr("MIME type: %s\n", is->mime);
/* read data and tags from the stream */
while (!input_stream_eof(is)) {
struct tag *tag = input_stream_tag(is);
if (tag != NULL) {
g_printerr("Received a tag:\n");
tag_save(stderr, tag);
tag_free(tag);
}
num_read = input_stream_read(is, buffer, sizeof(buffer),
&error);
if (num_read == 0) {
if (error != NULL) {
g_warning("%s", error->message);
g_error_free(error);
}
break;
}
num_written = write(1, buffer, num_read);
if (num_written <= 0)
break;
}
if (!input_stream_check(is, &error)) {
g_warning("%s", error->message);
g_error_free(error);
input_stream_unlock(is);
return EXIT_FAILURE;
}
input_stream_unlock(is);
return 0;
}
int main(int argc, char **argv)
{
const char *uri;
struct input_stream *is = NULL;
bool success;
GError *error = NULL;
struct playlist_provider *playlist;
struct song *song;
if (argc != 3) {
g_printerr("Usage: dump_playlist CONFIG URI\n");
return 1;
}
uri = argv[2];
/* initialize GLib */
g_thread_init(NULL);
g_log_set_default_handler(my_log_func, NULL);
/* initialize MPD */
config_global_init();
success = config_read_file(argv[1], &error);
if (!success) {
g_printerr("%s\n", error->message);
g_error_free(error);
return 1;
}
io_thread_init();
if (!io_thread_start(&error)) {
g_warning("%s", error->message);
g_error_free(error);
return EXIT_FAILURE;
}
if (!input_stream_global_init(&error)) {
g_warning("%s", error->message);
g_error_free(error);
return 2;
}
playlist_list_global_init();
decoder_plugin_init_all();
/* open the playlist */
GMutex *mutex = g_mutex_new();
GCond *cond = g_cond_new();
playlist = playlist_list_open_uri(uri, mutex, cond);
if (playlist == NULL) {
/* open the stream and wait until it becomes ready */
is = input_stream_open(uri, mutex, cond, &error);
if (is == NULL) {
if (error != NULL) {
g_warning("%s", error->message);
g_error_free(error);
} else
g_printerr("input_stream_open() failed\n");
return 2;
}
input_stream_lock_wait_ready(is);
/* open the playlist */
playlist = playlist_list_open_stream(is, uri);
if (playlist == NULL) {
input_stream_close(is);
g_printerr("Failed to open playlist\n");
return 2;
}
}
/* dump the playlist */
while ((song = playlist_plugin_read(playlist)) != NULL) {
g_print("%s\n", song->uri);
if (song->end_ms > 0)
g_print("range: %u:%02u..%u:%02u\n",
song->start_ms / 60000,
(song->start_ms / 1000) % 60,
song->end_ms / 60000,
(song->end_ms / 1000) % 60);
else if (song->start_ms > 0)
g_print("range: %u:%02u..\n",
song->start_ms / 60000,
(song->start_ms / 1000) % 60);
if (song->tag != NULL)
tag_save(stdout, song->tag);
song_free(song);
}
/* deinitialize everything */
playlist_plugin_close(playlist);
if (is != NULL)
input_stream_close(is);
g_cond_free(cond);
g_mutex_free(mutex);
decoder_plugin_deinit_all();
playlist_list_global_finish();
input_stream_global_finish();
io_thread_deinit();
config_global_finish();
return 0;
}
