From e11355f47d545fe523b019481415b1347aecd4bd Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Sun, 26 Oct 2008 11:29:25 +0100 Subject: renamed src/inputPlugins/ to src/decoder/ These plugins are not input plugins, they are decoder plugins. No CamelCase in the directory name. --- src/inputPlugins/mpc_plugin.c | 308 ------------------------------------------ 1 file changed, 308 deletions(-) delete mode 100644 src/inputPlugins/mpc_plugin.c (limited to 'src/inputPlugins/mpc_plugin.c') diff --git a/src/inputPlugins/mpc_plugin.c b/src/inputPlugins/mpc_plugin.c deleted file mode 100644 index fb1b0b56c..000000000 --- a/src/inputPlugins/mpc_plugin.c +++ /dev/null @@ -1,308 +0,0 @@ -/* the Music Player Daemon (MPD) - * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com) - * This project's homepage is: 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "../decoder_api.h" -#include "../utils.h" -#include "../log.h" - -#include - -typedef struct _MpcCallbackData { - InputStream *inStream; - struct decoder *decoder; -} MpcCallbackData; - -static mpc_int32_t mpc_read_cb(void *vdata, void *ptr, mpc_int32_t size) -{ - MpcCallbackData *data = (MpcCallbackData *) vdata; - - return decoder_read(data->decoder, data->inStream, ptr, size); -} - -static mpc_bool_t mpc_seek_cb(void *vdata, mpc_int32_t offset) -{ - MpcCallbackData *data = (MpcCallbackData *) vdata; - - return seekInputStream(data->inStream, offset, SEEK_SET) < 0 ? 0 : 1; -} - -static mpc_int32_t mpc_tell_cb(void *vdata) -{ - MpcCallbackData *data = (MpcCallbackData *) vdata; - - return (long)(data->inStream->offset); -} - -static mpc_bool_t mpc_canseek_cb(void *vdata) -{ - MpcCallbackData *data = (MpcCallbackData *) vdata; - - return data->inStream->seekable; -} - -static mpc_int32_t mpc_getsize_cb(void *vdata) -{ - MpcCallbackData *data = (MpcCallbackData *) vdata; - - return data->inStream->size; -} - -/* this _looks_ performance-critical, don't de-inline -- eric */ -static inline int16_t convertSample(MPC_SAMPLE_FORMAT sample) -{ - /* only doing 16-bit audio for now */ - int32_t val; - - const int clip_min = -1 << (16 - 1); - const int clip_max = (1 << (16 - 1)) - 1; - -#ifdef MPC_FIXED_POINT - const int shift = 16 - MPC_FIXED_POINT_SCALE_SHIFT; - - if (sample > 0) { - sample <<= shift; - } else if (shift < 0) { - sample >>= -shift; - } - val = sample; -#else - const int float_scale = 1 << (16 - 1); - - val = sample * float_scale; -#endif - - if (val < clip_min) - val = clip_min; - else if (val > clip_max) - val = clip_max; - - return val; -} - -static int mpc_decode(struct decoder * mpd_decoder, InputStream * inStream) -{ - mpc_decoder decoder; - mpc_reader reader; - mpc_streaminfo info; - struct audio_format audio_format; - - MpcCallbackData data; - - MPC_SAMPLE_FORMAT sample_buffer[MPC_DECODER_BUFFER_LENGTH]; - - int eof = 0; - long ret; -#define MPC_CHUNK_SIZE 4096 - char chunk[MPC_CHUNK_SIZE]; - int chunkpos = 0; - long bitRate = 0; - int16_t *s16 = (int16_t *) chunk; - unsigned long samplePos = 0; - mpc_uint32_t vbrUpdateAcc; - mpc_uint32_t vbrUpdateBits; - float total_time; - int i; - ReplayGainInfo *replayGainInfo = NULL; - - data.inStream = inStream; - data.decoder = mpd_decoder; - - reader.read = mpc_read_cb; - reader.seek = mpc_seek_cb; - reader.tell = mpc_tell_cb; - reader.get_size = mpc_getsize_cb; - reader.canseek = mpc_canseek_cb; - reader.data = &data; - - mpc_streaminfo_init(&info); - - if ((ret = mpc_streaminfo_read(&info, &reader)) != ERROR_CODE_OK) { - if (decoder_get_command(mpd_decoder) != DECODE_COMMAND_STOP) { - ERROR("Not a valid musepack stream\n"); - return -1; - } - return 0; - } - - mpc_decoder_setup(&decoder, &reader); - - if (!mpc_decoder_initialize(&decoder, &info)) { - if (decoder_get_command(mpd_decoder) != DECODE_COMMAND_STOP) { - ERROR("Not a valid musepack stream\n"); - return -1; - } - return 0; - } - - audio_format.bits = 16; - audio_format.channels = info.channels; - audio_format.sample_rate = info.sample_freq; - - replayGainInfo = newReplayGainInfo(); - replayGainInfo->albumGain = info.gain_album * 0.01; - replayGainInfo->albumPeak = info.peak_album / 32767.0; - replayGainInfo->trackGain = info.gain_title * 0.01; - replayGainInfo->trackPeak = info.peak_title / 32767.0; - - decoder_initialized(mpd_decoder, &audio_format, - mpc_streaminfo_get_length(&info)); - - while (!eof) { - if (decoder_get_command(mpd_decoder) == DECODE_COMMAND_SEEK) { - samplePos = decoder_seek_where(mpd_decoder) * - audio_format.sample_rate; - if (mpc_decoder_seek_sample(&decoder, samplePos)) { - decoder_clear(mpd_decoder); - s16 = (int16_t *) chunk; - chunkpos = 0; - decoder_command_finished(mpd_decoder); - } else - decoder_seek_error(mpd_decoder); - } - - vbrUpdateAcc = 0; - vbrUpdateBits = 0; - ret = mpc_decoder_decode(&decoder, sample_buffer, - &vbrUpdateAcc, &vbrUpdateBits); - - if (ret <= 0 || decoder_get_command(mpd_decoder) == DECODE_COMMAND_STOP) { - eof = 1; - break; - } - - samplePos += ret; - - /* ret is in samples, and we have stereo */ - ret *= 2; - - for (i = 0; i < ret; i++) { - /* 16 bit audio again */ - *s16 = convertSample(sample_buffer[i]); - chunkpos += 2; - s16++; - - if (chunkpos >= MPC_CHUNK_SIZE) { - total_time = ((float)samplePos) / - audio_format.sample_rate; - - bitRate = vbrUpdateBits * - audio_format.sample_rate / 1152 / 1000; - - decoder_data(mpd_decoder, inStream, - inStream->seekable, - chunk, chunkpos, - total_time, - bitRate, replayGainInfo); - - chunkpos = 0; - s16 = (int16_t *) chunk; - if (decoder_get_command(mpd_decoder) == DECODE_COMMAND_STOP) { - eof = 1; - break; - } - } - } - } - - if (decoder_get_command(mpd_decoder) != DECODE_COMMAND_STOP && - chunkpos > 0) { - total_time = ((float)samplePos) / audio_format.sample_rate; - - bitRate = - vbrUpdateBits * audio_format.sample_rate / 1152 / 1000; - - decoder_data(mpd_decoder, NULL, inStream->seekable, - chunk, chunkpos, total_time, bitRate, - replayGainInfo); - } - - decoder_flush(mpd_decoder); - - freeReplayGainInfo(replayGainInfo); - - return 0; -} - -static float mpcGetTime(char *file) -{ - InputStream inStream; - float total_time = -1; - - mpc_reader reader; - mpc_streaminfo info; - MpcCallbackData data; - - data.inStream = &inStream; - data.decoder = NULL; - - reader.read = mpc_read_cb; - reader.seek = mpc_seek_cb; - reader.tell = mpc_tell_cb; - reader.get_size = mpc_getsize_cb; - reader.canseek = mpc_canseek_cb; - reader.data = &data; - - mpc_streaminfo_init(&info); - - if (openInputStream(&inStream, file) < 0) { - DEBUG("mpcGetTime: Failed to open file: %s\n", file); - return -1; - } - - if (mpc_streaminfo_read(&info, &reader) != ERROR_CODE_OK) { - closeInputStream(&inStream); - return -1; - } - - total_time = mpc_streaminfo_get_length(&info); - - closeInputStream(&inStream); - - return total_time; -} - -static struct tag *mpcTagDup(char *file) -{ - struct tag *ret = NULL; - float total_time = mpcGetTime(file); - - if (total_time < 0) { - DEBUG("mpcTagDup: Failed to get Songlength of file: %s\n", - file); - return NULL; - } - - ret = tag_ape_load(file); - if (!ret) - ret = tag_id3_load(file); - if (!ret) - ret = tag_new(); - ret->time = total_time; - - return ret; -} - -static const char *mpcSuffixes[] = { "mpc", NULL }; - -struct decoder_plugin mpcPlugin = { - .name = "mpc", - .stream_decode = mpc_decode, - .tag_dup = mpcTagDup, - .stream_types = INPUT_PLUGIN_STREAM_URL | INPUT_PLUGIN_STREAM_FILE, - .suffixes = mpcSuffixes, -}; -- cgit v1.2.3