2009-11-19 21:00:46 +01:00
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/*
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2011-01-29 10:13:54 +01:00
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* Copyright (C) 2003-2011 The Music Player Daemon Project
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2009-11-19 21:00:46 +01:00
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* This program is a command line interface to MPD's PCM conversion
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* library (pcm_convert.c).
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*
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*/
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#include "config.h"
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#include "audio_parser.h"
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#include "audio_format.h"
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#include "pcm_convert.h"
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#include "conf.h"
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2013-01-15 01:00:59 +01:00
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#include "util/fifo_buffer.h"
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2010-05-20 07:17:20 +02:00
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#include "stdbin.h"
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2009-11-19 21:00:46 +01:00
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#include <glib.h>
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2010-01-16 23:25:43 +01:00
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#include <assert.h>
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2009-11-19 21:00:46 +01:00
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#include <stddef.h>
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#include <unistd.h>
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2010-01-16 23:44:16 +01:00
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static void
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my_log_func(const gchar *log_domain, G_GNUC_UNUSED GLogLevelFlags log_level,
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const gchar *message, G_GNUC_UNUSED gpointer user_data)
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{
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if (log_domain != NULL)
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g_printerr("%s: %s\n", log_domain, message);
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else
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g_printerr("%s\n", message);
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}
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2009-11-19 21:00:46 +01:00
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const char *
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2013-01-30 17:52:51 +01:00
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config_get_string(gcc_unused enum ConfigOption option,
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const char *default_value)
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2009-11-19 21:00:46 +01:00
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{
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return default_value;
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}
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int main(int argc, char **argv)
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{
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GError *error = NULL;
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struct audio_format in_audio_format, out_audio_format;
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struct pcm_convert_state state;
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const void *output;
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ssize_t nbytes;
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size_t length;
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if (argc != 3) {
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g_printerr("Usage: run_convert IN_FORMAT OUT_FORMAT <IN >OUT\n");
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return 1;
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}
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2010-01-16 23:44:16 +01:00
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g_log_set_default_handler(my_log_func, NULL);
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2009-11-19 21:00:46 +01:00
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if (!audio_format_parse(&in_audio_format, argv[1],
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false, &error)) {
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g_printerr("Failed to parse audio format: %s\n",
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error->message);
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return 1;
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}
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2012-03-21 09:29:31 +01:00
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struct audio_format out_audio_format_mask;
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if (!audio_format_parse(&out_audio_format_mask, argv[2],
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true, &error)) {
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2009-11-19 21:00:46 +01:00
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g_printerr("Failed to parse audio format: %s\n",
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error->message);
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return 1;
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}
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2012-03-21 09:29:31 +01:00
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out_audio_format = in_audio_format;
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audio_format_mask_apply(&out_audio_format, &out_audio_format_mask);
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2010-01-16 23:25:43 +01:00
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const size_t in_frame_size = audio_format_frame_size(&in_audio_format);
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2009-11-19 21:00:46 +01:00
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pcm_convert_init(&state);
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2010-01-16 23:25:43 +01:00
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struct fifo_buffer *buffer = fifo_buffer_new(4096);
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while (true) {
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void *p = fifo_buffer_write(buffer, &length);
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assert(p != NULL);
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nbytes = read(0, p, length);
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if (nbytes <= 0)
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break;
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fifo_buffer_append(buffer, nbytes);
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const void *src = fifo_buffer_read(buffer, &length);
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assert(src != NULL);
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length -= length % in_frame_size;
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if (length == 0)
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continue;
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fifo_buffer_consume(buffer, length);
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output = pcm_convert(&state, &in_audio_format, src, length,
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2009-11-19 21:00:46 +01:00
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&out_audio_format, &length, &error);
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if (output == NULL) {
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g_printerr("Failed to convert: %s\n", error->message);
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return 2;
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}
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2012-03-19 20:37:17 +01:00
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G_GNUC_UNUSED ssize_t ignored = write(1, output, length);
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2009-11-19 21:00:46 +01:00
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}
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pcm_convert_deinit(&state);
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}
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