85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
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/*
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* Copyright (C) 2003-2010 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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#include "config.h"
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#include "decoder/pcm_decoder_plugin.h"
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#include "decoder_api.h"
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#include <glib.h>
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#include <unistd.h>
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#undef G_LOG_DOMAIN
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#define G_LOG_DOMAIN "pcm"
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static void
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pcm_stream_decode(struct decoder *decoder, struct input_stream *is)
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{
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static const struct audio_format audio_format = {
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.sample_rate = 44100,
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.format = SAMPLE_FORMAT_S16,
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.channels = 2,
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};
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GError *error = NULL;
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enum decoder_command cmd;
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double time_to_size = audio_format_time_to_size(&audio_format);
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float total_time = -1;
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if (is->size >= 0)
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total_time = is->size / time_to_size;
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decoder_initialized(decoder, &audio_format, true, total_time);
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do {
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char buffer[4096];
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size_t nbytes = decoder_read(decoder, is,
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buffer, sizeof(buffer));
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cmd = nbytes > 0
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? decoder_data(decoder, is,
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buffer, nbytes, 0)
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: decoder_get_command(decoder);
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if (cmd == DECODE_COMMAND_SEEK) {
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goffset offset = (goffset)(time_to_size *
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decoder_seek_where(decoder));
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if (input_stream_seek(is, offset, SEEK_SET, &error)) {
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decoder_command_finished(decoder);
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} else {
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g_warning("seeking failed: %s", error->message);
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g_error_free(error);
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decoder_seek_error(decoder);
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}
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cmd = DECODE_COMMAND_NONE;
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}
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} while (cmd == DECODE_COMMAND_NONE);
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}
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static const char *const pcm_mime_types[] = {
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/* for streams obtained by the cdio_paranoia input plugin */
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"audio/x-mpd-cdda-pcm",
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NULL
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};
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const struct decoder_plugin pcm_decoder_plugin = {
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.name = "pcm",
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.stream_decode = pcm_stream_decode,
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.mime_types = pcm_mime_types,
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};
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