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Diffstat (limited to 'src/decoder/mpg123_decoder_plugin.c')
-rw-r--r--src/decoder/mpg123_decoder_plugin.c245
1 files changed, 0 insertions, 245 deletions
diff --git a/src/decoder/mpg123_decoder_plugin.c b/src/decoder/mpg123_decoder_plugin.c
deleted file mode 100644
index 657a9c88..00000000
--- a/src/decoder/mpg123_decoder_plugin.c
+++ /dev/null
@@ -1,245 +0,0 @@
-/*
- * Copyright (C) 2003-2011 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" /* must be first for large file support */
-#include "decoder_api.h"
-#include "audio_check.h"
-#include "tag_handler.h"
-
-#include <glib.h>
-
-#include <mpg123.h>
-#include <stdio.h>
-
-#undef G_LOG_DOMAIN
-#define G_LOG_DOMAIN "mpg123"
-
-static bool
-mpd_mpg123_init(G_GNUC_UNUSED const struct config_param *param)
-{
- mpg123_init();
-
- return true;
-}
-
-static void
-mpd_mpg123_finish(void)
-{
- mpg123_exit();
-}
-
-/**
- * Opens a file with an existing #mpg123_handle.
- *
- * @param handle a handle which was created before; on error, this
- * function will not free it
- * @param audio_format this parameter is filled after successful
- * return
- * @return true on success
- */
-static bool
-mpd_mpg123_open(mpg123_handle *handle, const char *path_fs,
- struct audio_format *audio_format)
-{
- GError *gerror = NULL;
- char *path_dup;
- int error;
- int channels, encoding;
- long rate;
-
- /* mpg123_open() wants a writable string :-( */
- path_dup = g_strdup(path_fs);
-
- error = mpg123_open(handle, path_dup);
- g_free(path_dup);
- if (error != MPG123_OK) {
- g_warning("libmpg123 failed to open %s: %s",
- path_fs, mpg123_plain_strerror(error));
- return false;
- }
-
- /* obtain the audio format */
-
- error = mpg123_getformat(handle, &rate, &channels, &encoding);
- if (error != MPG123_OK) {
- g_warning("mpg123_getformat() failed: %s",
- mpg123_plain_strerror(error));
- return false;
- }
-
- if (encoding != MPG123_ENC_SIGNED_16) {
- /* other formats not yet implemented */
- g_warning("expected MPG123_ENC_SIGNED_16, got %d", encoding);
- return false;
- }
-
- if (!audio_format_init_checked(audio_format, rate, SAMPLE_FORMAT_S16,
- channels, &gerror)) {
- g_warning("%s", gerror->message);
- g_error_free(gerror);
- return false;
- }
-
- return true;
-}
-
-static void
-mpd_mpg123_file_decode(struct decoder *decoder, const char *path_fs)
-{
- struct audio_format audio_format;
- mpg123_handle *handle;
- int error;
- off_t num_samples;
- enum decoder_command cmd;
- struct mpg123_frameinfo info;
-
- /* open the file */
-
- handle = mpg123_new(NULL, &error);
- if (handle == NULL) {
- g_warning("mpg123_new() failed: %s",
- mpg123_plain_strerror(error));
- return;
- }
-
- if (!mpd_mpg123_open(handle, path_fs, &audio_format)) {
- mpg123_delete(handle);
- return;
- }
-
- num_samples = mpg123_length(handle);
-
- /* tell MPD core we're ready */
-
- decoder_initialized(decoder, &audio_format, true,
- (float)num_samples /
- (float)audio_format.sample_rate);
-
- if (mpg123_info(handle, &info) != MPG123_OK) {
- info.vbr = MPG123_CBR;
- info.bitrate = 0;
- }
-
- switch (info.vbr) {
- case MPG123_ABR:
- info.bitrate = info.abr_rate;
- break;
- case MPG123_CBR:
- break;
- default:
- info.bitrate = 0;
- }
-
- /* the decoder main loop */
-
- do {
- unsigned char buffer[8192];
- size_t nbytes;
-
- /* decode */
-
- error = mpg123_read(handle, buffer, sizeof(buffer), &nbytes);
- if (error != MPG123_OK) {
- if (error != MPG123_DONE)
- g_warning("mpg123_read() failed: %s",
- mpg123_plain_strerror(error));
- break;
- }
-
- /* update bitrate for ABR/VBR */
- if (info.vbr != MPG123_CBR) {
- /* FIXME: maybe skip, as too expensive? */
- /* FIXME: maybe, (info.vbr == MPG123_VBR) ? */
- if (mpg123_info (handle, &info) != MPG123_OK)
- info.bitrate = 0;
- }
-
- /* send to MPD */
-
- cmd = decoder_data(decoder, NULL, buffer, nbytes, info.bitrate);
-
- if (cmd == DECODE_COMMAND_SEEK) {
- off_t c = decoder_seek_where(decoder)*audio_format.sample_rate;
- c = mpg123_seek(handle, c, SEEK_SET);
- if (c < 0)
- decoder_seek_error(decoder);
- else {
- decoder_command_finished(decoder);
- decoder_timestamp(decoder, c/(double)audio_format.sample_rate);
- }
-
- cmd = DECODE_COMMAND_NONE;
- }
- } while (cmd == DECODE_COMMAND_NONE);
-
- /* cleanup */
-
- mpg123_delete(handle);
-}
-
-static bool
-mpd_mpg123_scan_file(const char *path_fs,
- const struct tag_handler *handler, void *handler_ctx)
-{
- struct audio_format audio_format;
- mpg123_handle *handle;
- int error;
- off_t num_samples;
-
- handle = mpg123_new(NULL, &error);
- if (handle == NULL) {
- g_warning("mpg123_new() failed: %s",
- mpg123_plain_strerror(error));
- return false;
- }
-
- if (!mpd_mpg123_open(handle, path_fs, &audio_format)) {
- mpg123_delete(handle);
- return false;
- }
-
- num_samples = mpg123_length(handle);
- if (num_samples <= 0) {
- mpg123_delete(handle);
- return false;
- }
-
- /* ID3 tag support not yet implemented */
-
- mpg123_delete(handle);
-
- tag_handler_invoke_duration(handler, handler_ctx,
- num_samples / audio_format.sample_rate);
- return true;
-}
-
-static const char *const mpg123_suffixes[] = {
- "mp3",
- NULL
-};
-
-const struct decoder_plugin mpg123_decoder_plugin = {
- .name = "mpg123",
- .init = mpd_mpg123_init,
- .finish = mpd_mpg123_finish,
- .file_decode = mpd_mpg123_file_decode,
- /* streaming not yet implemented */
- .scan_file = mpd_mpg123_scan_file,
- .suffixes = mpg123_suffixes,
-};