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Diffstat (limited to '')
-rw-r--r-- | test/run_convert.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/test/run_convert.c b/test/run_convert.c new file mode 100644 index 000000000..ddfca0870 --- /dev/null +++ b/test/run_convert.c @@ -0,0 +1,121 @@ +/* + * Copyright (C) 2003-2010 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. + */ + +/* + * This program is a command line interface to MPD's PCM conversion + * library (pcm_convert.c). + * + */ + +#include "config.h" +#include "audio_parser.h" +#include "audio_format.h" +#include "pcm_convert.h" +#include "conf.h" +#include "fifo_buffer.h" + +#include <glib.h> + +#include <assert.h> +#include <stddef.h> +#include <unistd.h> + +static void +my_log_func(const gchar *log_domain, G_GNUC_UNUSED GLogLevelFlags log_level, + const gchar *message, G_GNUC_UNUSED gpointer user_data) +{ + if (log_domain != NULL) + g_printerr("%s: %s\n", log_domain, message); + else + g_printerr("%s\n", message); +} + +const char * +config_get_string(G_GNUC_UNUSED const char *name, const char *default_value) +{ + return default_value; +} + +int main(int argc, char **argv) +{ + GError *error = NULL; + struct audio_format in_audio_format, out_audio_format; + struct pcm_convert_state state; + const void *output; + ssize_t nbytes; + size_t length; + + if (argc != 3) { + g_printerr("Usage: run_convert IN_FORMAT OUT_FORMAT <IN >OUT\n"); + return 1; + } + + g_log_set_default_handler(my_log_func, NULL); + + if (!audio_format_parse(&in_audio_format, argv[1], + false, &error)) { + g_printerr("Failed to parse audio format: %s\n", + error->message); + return 1; + } + + if (!audio_format_parse(&out_audio_format, argv[2], + false, &error)) { + g_printerr("Failed to parse audio format: %s\n", + error->message); + return 1; + } + + const size_t in_frame_size = audio_format_frame_size(&in_audio_format); + + pcm_convert_init(&state); + + struct fifo_buffer *buffer = fifo_buffer_new(4096); + + while (true) { + void *p = fifo_buffer_write(buffer, &length); + assert(p != NULL); + + nbytes = read(0, p, length); + if (nbytes <= 0) + break; + + fifo_buffer_append(buffer, nbytes); + + const void *src = fifo_buffer_read(buffer, &length); + assert(src != NULL); + + length -= length % in_frame_size; + if (length == 0) + continue; + + fifo_buffer_consume(buffer, length); + + output = pcm_convert(&state, &in_audio_format, src, length, + &out_audio_format, &length, &error); + if (output == NULL) { + g_printerr("Failed to convert: %s\n", error->message); + return 2; + } + + write(1, output, length); + } + + pcm_convert_deinit(&state); +} |