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| author | Daniel Stenberg <daniel@haxx.se> | 2005-06-22 19:41:30 +0000 |
|---|---|---|
| committer | Daniel Stenberg <daniel@haxx.se> | 2005-06-22 19:41:30 +0000 |
| commit | 1dd672fe3226fa77113f35e4d72f50b863484c63 (patch) | |
| tree | 67b424ab990f160dbc8fb238b9fa3390ceba10ed /apps/plugins/codecwavpack.c | |
| parent | b7aaa641b864628d76103b8c9d57c15747560ca7 (diff) | |
| download | rockbox-1dd672fe3226fa77113f35e4d72f50b863484c63.zip rockbox-1dd672fe3226fa77113f35e4d72f50b863484c63.tar.gz rockbox-1dd672fe3226fa77113f35e4d72f50b863484c63.tar.bz2 rockbox-1dd672fe3226fa77113f35e4d72f50b863484c63.tar.xz | |
moved and renamed the codecs, gave the codecs a new extension (.codec),
unified to a single codec-only API, made a new codeclib, disabled the building
of the *2wav plugins
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6812 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/plugins/codecwavpack.c')
| -rw-r--r-- | apps/plugins/codecwavpack.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/apps/plugins/codecwavpack.c b/apps/plugins/codecwavpack.c deleted file mode 100644 index 1e56dbd..0000000 --- a/apps/plugins/codecwavpack.c +++ /dev/null @@ -1,185 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2005 David Bryant - * - * 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" - -#include <codecs/libwavpack/wavpack.h> -#include "playback.h" -#include "lib/codeclib.h" - -static struct plugin_api *rb; -static struct codec_api *ci; - -#define BUFFER_SIZE 4096 - -static long temp_buffer [BUFFER_SIZE] IDATA_ATTR; - -static long read_callback (void *buffer, long bytes) -{ - return ci->read_filebuf (buffer, bytes); -} - -#ifndef SIMULATOR -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* parm) -{ - WavpackContext *wpc; - char error [80]; - int bps, nchans; - - /* Generic plugin initialisation */ - TEST_PLUGIN_API(api); - - rb = api; - ci = (struct codec_api*) parm; - -#ifndef SIMULATOR - rb->memcpy(iramstart, iramcopy, iramend-iramstart); -#endif - - ci->configure(CODEC_SET_FILEBUF_LIMIT, (int *)(1024*1024*10)); - ci->configure(CODEC_SET_FILEBUF_WATERMARK, (int *)(1024*512)); - ci->configure(CODEC_SET_FILEBUF_CHUNKSIZE, (int *)(1024*128)); - - next_track: - - if (codec_init(api, ci)) - return PLUGIN_ERROR; - - /* Create a decoder instance */ - - wpc = WavpackOpenFileInput (read_callback, error); - - if (!wpc) - return PLUGIN_ERROR; - - bps = WavpackGetBytesPerSample (wpc); - nchans = WavpackGetReducedChannels (wpc); - - ci->set_elapsed (0); - - /* The main decoder loop */ - - while (1) { - long nsamples; - - if (ci->seek_time && ci->taginfo_ready && ci->id3->length) { - int curpos_ms = (WavpackGetSampleIndex (wpc) + 220) / 441 * 10; - int n, d, skip; - - if (ci->seek_time > curpos_ms) { - n = ci->seek_time - curpos_ms; - d = ci->id3->length - curpos_ms; - skip = (int)((long long)(ci->filesize - ci->curpos) * n / d); - ci->seek_buffer (ci->curpos + skip); - } - else { - n = curpos_ms - ci->seek_time; - d = curpos_ms; - skip = (int)((long long) ci->curpos * n / d); - ci->seek_buffer (ci->curpos - skip); - } - - wpc = WavpackOpenFileInput (read_callback, error); - ci->seek_time = 0; - - if (!wpc) - break; - - ci->set_elapsed ((int)((long long) WavpackGetSampleIndex (wpc) * 1000 / 44100)); - rb->yield (); - } - - nsamples = WavpackUnpackSamples (wpc, temp_buffer, BUFFER_SIZE / 2); - - if (!nsamples || ci->stop_codec || ci->reload_codec) - break; - - /* convert mono to stereo here, in place */ - - if (nchans == 1) { - long *dst = temp_buffer + (nsamples * 2); - long *src = temp_buffer + nsamples; - long count = nsamples; - - while (count--) { - *--dst = *--src; - *--dst = *src; - if (!(count & 0x7f)) - rb->yield (); - } - } - - if (bps == 1) { - short *dst = (short *) temp_buffer; - long *src = temp_buffer; - long count = nsamples; - - while (count--) { - *dst++ = *src++ << 8; - *dst++ = *src++ << 8; - if (!(count & 0x7f)) - rb->yield (); - } - } - else if (bps == 2) { - short *dst = (short *) temp_buffer; - long *src = temp_buffer; - long count = nsamples; - - while (count--) { - *dst++ = *src++; - *dst++ = *src++; - if (!(count & 0x7f)) - rb->yield (); - } - } - else { - short *dst = (short *) temp_buffer; - int shift = (bps - 2) * 8; - long *src = temp_buffer; - long count = nsamples; - - while (count--) { - *dst++ = *src++ >> shift; - *dst++ = *src++ >> shift; - if (!(count & 0x7f)) - rb->yield (); - } - } - - if (ci->stop_codec || ci->reload_codec) - break; - - while (!ci->audiobuffer_insert ((char *) temp_buffer, nsamples * 4)) - rb->yield (); - - ci->set_elapsed ((WavpackGetSampleIndex (wpc) + 220) / 441 * 10); - } - - if (ci->request_next_track()) - goto next_track; - - return PLUGIN_OK; -} |