130 lines
3.1 KiB
C++
130 lines
3.1 KiB
C++
/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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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 "AudioParser.hxx"
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#include "AudioFormat.hxx"
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#include "pcm/PcmConvert.hxx"
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#include "ConfigGlobal.hxx"
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#include "util/FifoBuffer.hxx"
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#include "util/Error.hxx"
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#include "stdbin.h"
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#include <glib.h>
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#include <assert.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <unistd.h>
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static void
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my_log_func(const gchar *log_domain, gcc_unused GLogLevelFlags log_level,
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const gchar *message, gcc_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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const char *
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config_get_string(gcc_unused enum ConfigOption option,
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const char *default_value)
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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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AudioFormat in_audio_format, out_audio_format;
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const void *output;
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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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g_log_set_default_handler(my_log_func, NULL);
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Error error;
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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.GetMessage());
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return 1;
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}
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AudioFormat 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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g_printerr("Failed to parse audio format: %s\n",
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error.GetMessage());
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return 1;
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}
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out_audio_format = in_audio_format;
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out_audio_format.ApplyMask(out_audio_format_mask);
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const size_t in_frame_size = in_audio_format.GetFrameSize();
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PcmConvert state;
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FifoBuffer<uint8_t, 4096> buffer;
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while (true) {
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{
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const auto dest = buffer.Write();
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assert(!dest.IsEmpty());
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ssize_t nbytes = read(0, dest.data, dest.size);
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if (nbytes <= 0)
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break;
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buffer.Append(nbytes);
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}
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auto src = buffer.Read();
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assert(!src.IsEmpty());
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src.size -= src.size % in_frame_size;
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if (src.IsEmpty())
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continue;
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buffer.Consume(src.size);
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size_t length;
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output = state.Convert(in_audio_format, src.data, src.size,
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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.GetMessage());
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return 2;
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}
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gcc_unused ssize_t ignored = write(1, output, length);
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}
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return EXIT_SUCCESS;
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}
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