diff options
Diffstat (limited to 'apps/plugins/wv2wav.c')
| -rw-r--r-- | apps/plugins/wv2wav.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/apps/plugins/wv2wav.c b/apps/plugins/wv2wav.c deleted file mode 100644 index 909a0c3c63..0000000000 --- a/apps/plugins/wv2wav.c +++ /dev/null @@ -1,217 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2005 Christian Gmeiner - * - * All files in this archive are subject to the GNU General Public License. - * See the file COPYING in the source tree root for full license agreement. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ - -#include "plugin.h" - -#if (CONFIG_HWCODEC == MASNONE) -/* software codec platforms */ - -#include "lib/xxx2wav.h" /* Helper functions common to test decoders */ -#include <codecs/libwavpack/wavpack.h> - -#define BUFFER_SIZE 4096 - -static struct plugin_api* rb; -static file_info_struct file_info; -static long temp_buffer [BUFFER_SIZE] IDATA_ATTR; - -/* Reformat samples from longs in processor's native endian mode to - little-endian data with 2 bytes / sample. */ -uchar* format_samples (int bps, uchar *dst, long *src, ulong samcnt) -{ - long temp; - - switch (bps) - { - case 1: - while (samcnt--) - { - *dst++ = (uchar)(temp = (*src++ << 8)); - *dst++ = (uchar)(temp >> 8); - } - - break; - - case 2: - while (samcnt--) - { - *dst++ = (uchar)(temp = *src++); - *dst++ = (uchar)(temp >> 8); - } - - break; - - case 3: - while (samcnt--) - { - *dst++ = (uchar)(temp = (*src++ >> 8)); - *dst++ = (uchar)(temp >> 8); - } - - break; - - case 4: - while (samcnt--) - { - *dst++ = (uchar)(temp = (*src++ >> 16)); - *dst++ = (uchar)(temp >> 8); - } - - break; - } - - return dst; -} - -/* this is our function to decode a memory block from a file */ -void wvpack_decode_data(file_info_struct* file_info, int samples_to_decode, WavpackContext **wpc) -{ - int bps = WavpackGetBytesPerSample(*wpc); - /* nothing to decode */ - if (!samples_to_decode) - { - return; - } - - /* decode now */ - ulong samples_unpacked = WavpackUnpackSamples(*wpc, temp_buffer, samples_to_decode); - - if (samples_unpacked) - { - /* update some infos */ - file_info->current_sample += samples_unpacked; - - /* for now, convert mono to stereo here, in place */ - if (WavpackGetReducedChannels (*wpc) == 1) { - long *dst = temp_buffer + (samples_unpacked * 2); - long *src = temp_buffer + samples_unpacked; - long count = samples_unpacked; - - while (count--) { - *--dst = *--src; - *--dst = *src; - } - } - - format_samples (bps, (uchar *) temp_buffer, temp_buffer, samples_unpacked * file_info->channels); - rb->write(file_info->outfile, temp_buffer, samples_unpacked * 4); - } -} - -/* callback function for wavpack -Maybe we do this at a lower level, but the -first thing is to get all working */ -long Read(void* buffer, long size) -{ - long oldpos = file_info.curpos; - - if ((file_info.curpos + size) < file_info.filesize) - { - memcpy(buffer, &filebuf[file_info.curpos], size); - file_info.curpos += size; - } - else - { - memcpy(buffer, &filebuf[file_info.curpos], file_info.filesize-file_info.curpos); - file_info.curpos = file_info.filesize; - } - - return (file_info.curpos - oldpos); -} - -#ifdef USE_IRAM -extern char iramcopy[]; -extern char iramstart[]; -extern char iramend[]; -#endif - -/* this is the plugin entry point */ -enum plugin_status plugin_start(struct plugin_api* api, void* file) -{ - WavpackContext *wpc; - char error[80]; - - /* generic plugin initialisation */ - TEST_PLUGIN_API(api); - rb = api; - - #ifdef USE_IRAM - rb->memcpy(iramstart, iramcopy, iramend-iramstart); - #endif - - /* this function sets up the buffers and reads the file into RAM */ - if (local_init(file,"/wvtest.wav",&file_info,api)) - { - return PLUGIN_ERROR; - } - - /* setup wavpack */ - wpc = WavpackOpenFileInput(Read, error); - - /* was there an error? */ - if (!wpc) - { - rb->splash(HZ*2, true, error); - return PLUGIN_ERROR; - } - - /* grap/set some infos (forcing some to temp values) */ - file_info.channels = 2; - file_info.total_samples = WavpackGetNumSamples(wpc); - file_info.bitspersample = 16; - file_info.samplerate = WavpackGetSampleRate(wpc); - file_info.current_sample = 0; - - /* deciding loop */ - file_info.start_tick=*(rb->current_tick); - rb->button_clear_queue(); - - while (file_info.current_sample < file_info.total_samples) - { - wvpack_decode_data(&file_info, BUFFER_SIZE / file_info.channels, &wpc); - - display_status(&file_info); - - if (rb->button_get(false)!=BUTTON_NONE) - { - close_wav(&file_info); - return PLUGIN_OK; - } - } - - close_wav(&file_info); - - /* do some last checks */ - if ((WavpackGetNumSamples (wpc) != (ulong) -1) && (file_info.current_sample != WavpackGetNumSamples (wpc))) - { - rb->splash(HZ*2, true, "incorrect number of samples!"); - return PLUGIN_ERROR; - } - - if (WavpackGetNumErrors (wpc)) { - rb->splash(HZ*2, true, "crc errors detected!"); - return PLUGIN_ERROR; - } - - rb->splash(HZ*2, true, "FINISHED!"); - - return PLUGIN_OK; -} - -#endif /* CONFIG_HWCODEC == MASNONE */ |