Add codecs to librbcodec.

Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97
Reviewed-on: http://gerrit.rockbox.org/137
Reviewed-by: Nils Wallménius <nils@rockbox.org>
Tested-by: Nils Wallménius <nils@rockbox.org>

1 files changed, 0 insertions, 350 deletions

diff --git a/apps/codecs/aiff.c b/apps/codecs/aiff.c
deleted file mode 100644
index 333bcd0..0000000
--- a/apps/codecs/aiff.c
+++ /dev/null
@@ -1,350 +0,0 @@
-/***************************************************************************
- *             __________               __   ___.
- *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
- *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
- *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
- *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
- *                     \/            \/     \/    \/            \/
- * $Id$
- *
- * Copyright (c) 2005 Jvo Studer
- * Copyright (c) 2009 Yoshihisa Uchida
- *
- * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ****************************************************************************/
-
-#include "codeclib.h"
-#include "codecs/libpcm/support_formats.h"
-
-CODEC_HEADER
-
-#define FOURCC(c1, c2, c3, c4) \
-((((uint32_t)c1)<<24)|(((uint32_t)c2)<<16)|(((uint32_t)c3)<<8)|((uint32_t)c4))
-
-/* This codec supports the following AIFC compressionType formats */
-enum {
-    AIFC_FORMAT_PCM          = FOURCC('N', 'O', 'N', 'E'), /* AIFC PCM Format (big endian) */
-    AIFC_FORMAT_ALAW         = FOURCC('a', 'l', 'a', 'w'), /* AIFC ALaw compressed */
-    AIFC_FORMAT_MULAW        = FOURCC('u', 'l', 'a', 'w'), /* AIFC uLaw compressed */
-    AIFC_FORMAT_IEEE_FLOAT32 = FOURCC('f', 'l', '3', '2'), /* AIFC IEEE float 32 bit */
-    AIFC_FORMAT_IEEE_FLOAT64 = FOURCC('f', 'l', '6', '4'), /* AIFC IEEE float 64 bit */
-    AIFC_FORMAT_QT_IMA_ADPCM = FOURCC('i', 'm', 'a', '4'), /* AIFC QuickTime IMA ADPCM */
-};
-
-static const struct pcm_entry pcm_codecs[] = {
-    { AIFC_FORMAT_PCM,          get_linear_pcm_codec      },
-    { AIFC_FORMAT_ALAW,         get_itut_g711_alaw_codec  },
-    { AIFC_FORMAT_MULAW,        get_itut_g711_mulaw_codec },
-    { AIFC_FORMAT_IEEE_FLOAT32, get_ieee_float_codec      },
-    { AIFC_FORMAT_IEEE_FLOAT64, get_ieee_float_codec      },
-    { AIFC_FORMAT_QT_IMA_ADPCM, get_qt_ima_adpcm_codec    },
-};
-
-#define PCM_SAMPLE_SIZE (1024*2)
-
-static int32_t samples[PCM_SAMPLE_SIZE] IBSS_ATTR;
-
-static const struct pcm_codec *get_codec(uint32_t formattag)
-{
-    unsigned i;
-    for (i = 0; i < sizeof(pcm_codecs)/sizeof(pcm_codecs[0]); i++)
-        if (pcm_codecs[i].format_tag == formattag)
-            return pcm_codecs[i].get_codec();
-
-    return NULL;
-}
-
-/* this is the codec entry point */
-enum codec_status codec_main(enum codec_entry_call_reason reason)
-{
-    if (reason == CODEC_LOAD) {
-        /* Generic codec initialisation */
-        ci->configure(DSP_SET_SAMPLE_DEPTH, PCM_OUTPUT_DEPTH-1);
-    }
-
-    return CODEC_OK;
-}
-
-/* this is called for each file to process */
-enum codec_status codec_run(void)
-{
-    struct pcm_format format;
-    uint32_t bytesdone, decodedsamples;
-    /* rockbox: comment 'set but unused' variables
-    uint32_t num_sample_frames = 0;
-    */
-    size_t n;
-    int bufcount;
-    int endofstream;
-    unsigned char *buf;
-    uint8_t *aifbuf;
-    uint32_t offset2snd = 0;
-    off_t firstblockposn;     /* position of the first block in file */
-    bool is_aifc = false;
-    const struct pcm_codec *codec;
-    uint32_t size;
-    intptr_t param;
-
-    if (codec_init()) {
-        return CODEC_ERROR;
-    }
-
-    codec_set_replaygain(ci->id3);
-    
-    /* Need to save offset for later use (cleared indirectly by advance_buffer) */
-    bytesdone = ci->id3->offset;
-
-    /* assume the AIFF header is less than 1024 bytes */
-    ci->seek_buffer(0);
-    buf = ci->request_buffer(&n, 1024);
-    if (n < 54) {
-        return CODEC_ERROR;
-    }
-
-    if (memcmp(buf, "FORM", 4) != 0)
-    {
-        DEBUGF("CODEC_ERROR: does not aiff format %4.4s\n", (char*)&buf[0]);
-        return CODEC_ERROR;
-    }
-    if (memcmp(&buf[8], "AIFF", 4) == 0)
-        is_aifc = false;
-    else if (memcmp(&buf[8], "AIFC", 4) == 0)
-        is_aifc = true;
-    else
-    {
-        DEBUGF("CODEC_ERROR: does not aiff format %4.4s\n", (char*)&buf[8]);
-        return CODEC_ERROR;
-    }
-
-    buf += 12;
-    n -= 12;
-
-    ci->memset(&format, 0, sizeof(struct pcm_format));
-    format.is_signed = true;
-    format.is_little_endian = false;
-
-    decodedsamples = 0;
-    codec = 0;
-
-    /* read until 'SSND' chunk, which typically is last */
-    while (format.numbytes == 0 && n >= 8)
-    {
-        /* chunkSize */
-        size = ((buf[4]<<24)|(buf[5]<<16)|(buf[6]<<8)|buf[7]);
-        if (memcmp(buf, "COMM", 4) == 0) {
-            if ((!is_aifc && size < 18) || (is_aifc && size < 22))
-            {
-                DEBUGF("CODEC_ERROR: 'COMM' chunk size=%lu < %d\n",
-                       (unsigned long)size, (is_aifc)?22:18);
-                return CODEC_ERROR;
-            }
-            /* num_channels */
-            format.channels = ((buf[8]<<8)|buf[9]);
-            /* num_sample_frames */
-            /*
-            num_sample_frames = ((buf[10]<<24)|(buf[11]<<16)|(buf[12]<<8)
-                                |buf[13]);
-            */
-            
-            /* sample_size */
-            format.bitspersample = ((buf[14]<<8)|buf[15]);
-            /* sample_rate (don't use last 4 bytes, only integer fs) */
-            if (buf[16] != 0x40) {
-                DEBUGF("CODEC_ERROR: weird sampling rate (no @)\n");
-                return CODEC_ERROR;
-            }
-            format.samplespersec = ((buf[18]<<24)|(buf[19]<<16)|(buf[20]<<8)|buf[21])+1;
-            format.samplespersec >>= (16 + 14 - buf[17]);
-            /* compressionType (AIFC only) */
-            if (is_aifc)
-            {
-                format.formattag = (buf[26]<<24)|(buf[27]<<16)|(buf[28]<<8)|buf[29];
-
-                /*
-                 * aiff's sample_size is uncompressed sound data size.
-                 * But format.bitspersample is compressed sound data size.
-                 */
-                if (format.formattag == AIFC_FORMAT_ALAW ||
-                    format.formattag == AIFC_FORMAT_MULAW)
-                    format.bitspersample = 8;
-                else if (format.formattag == AIFC_FORMAT_QT_IMA_ADPCM)
-                    format.bitspersample = 4;
-            }
-            else
-                format.formattag = AIFC_FORMAT_PCM;
-            /* calc average bytes per second */
-            format.avgbytespersec = format.samplespersec*format.channels*format.bitspersample/8;
-        } else if (memcmp(buf, "SSND", 4)==0) {
-            if (format.bitspersample == 0) {
-                DEBUGF("CODEC_ERROR: unsupported chunk order\n");
-                return CODEC_ERROR;
-            }
-            /* offset2snd */
-            offset2snd = (buf[8]<<24)|(buf[9]<<16)|(buf[10]<<8)|buf[11];
-            /* block_size */
-            format.blockalign = ((buf[12]<<24)|(buf[13]<<16)|(buf[14]<<8)|buf[15]) >> 3;
-            if (format.blockalign == 0)
-                format.blockalign = format.channels * format.bitspersample >> 3;
-            format.numbytes = size - 8 - offset2snd;
-            size = 8 + offset2snd; /* advance to the beginning of data */
-        } else if (is_aifc && (memcmp(buf, "FVER", 4)==0)) {
-            /* Format Version Chunk (AIFC only chunk) */
-            /* skip this chunk */
-        } else {
-            DEBUGF("unsupported AIFF chunk: '%c%c%c%c', size=%lu\n",
-                   buf[0], buf[1], buf[2], buf[3], (unsigned long)size);
-        }
-
-        size += 8 + (size & 0x01); /* odd chunk sizes must be padded */
-
-        buf += size;
-        if (n < size) {
-            DEBUGF("CODEC_ERROR: AIFF header size > 1024\n");
-            return CODEC_ERROR;
-        }
-        n -= size;
-    } /* while 'SSND' */
-
-    if (format.channels == 0) {
-        DEBUGF("CODEC_ERROR: 'COMM' chunk not found or 0-channels file\n");
-        return CODEC_ERROR;
-    }
-    if (format.numbytes == 0) {
-        DEBUGF("CODEC_ERROR: 'SSND' chunk not found or has zero length\n");
-        return CODEC_ERROR;
-    }
-
-    codec = get_codec(format.formattag);
-    if (codec == 0)
-    {
-        DEBUGF("CODEC_ERROR: AIFC does not support compressionType: 0x%x\n", 
-            (unsigned int)format.formattag);
-        return CODEC_ERROR;
-    }
-
-    if (!codec->set_format(&format))
-    {
-        return CODEC_ERROR;
-    }
-
-    ci->configure(DSP_SWITCH_FREQUENCY, ci->id3->frequency);
-
-    if (format.channels == 2) {
-        ci->configure(DSP_SET_STEREO_MODE, STEREO_INTERLEAVED);
-    } else if (format.channels == 1) {
-        ci->configure(DSP_SET_STEREO_MODE, STEREO_MONO);
-    } else {
-        DEBUGF("CODEC_ERROR: more than 2 channels unsupported\n");
-        return CODEC_ERROR;
-    }
-
-    if (format.samplesperblock == 0)
-    {
-        DEBUGF("CODEC_ERROR: samplesperblock is 0\n");
-        return CODEC_ERROR;
-    }
-    if (format.blockalign == 0)
-    {
-        DEBUGF("CODEC_ERROR: blockalign is 0\n");
-        return CODEC_ERROR;
-    }
-
-    /* check chunksize */
-    if ((format.chunksize / format.blockalign) * format.samplesperblock * format.channels
-           > PCM_SAMPLE_SIZE)
-        format.chunksize = (PCM_SAMPLE_SIZE / format.blockalign) * format.blockalign;
-    if (format.chunksize == 0)
-    {
-        DEBUGF("CODEC_ERROR: chunksize is 0\n");
-        return CODEC_ERROR;
-    }
-
-    firstblockposn = 1024 - n;
-    ci->advance_buffer(firstblockposn);
-
-    /* make sure we're at the correct offset */
-    if (bytesdone > (uint32_t) firstblockposn) {
-        /* Round down to previous block */
-        struct pcm_pos *newpos = codec->get_seek_pos(bytesdone - firstblockposn,
-                                                     PCM_SEEK_POS, NULL);
-
-        if (newpos->pos > format.numbytes)
-            return CODEC_OK;
-
-        if (ci->seek_buffer(firstblockposn + newpos->pos))
-        {
-            bytesdone      = newpos->pos;
-            decodedsamples = newpos->samples;
-        }
-    } else {
-        /* already where we need to be */
-        bytesdone = 0;
-    }
-
-    ci->set_elapsed(decodedsamples*1000LL/ci->id3->frequency);
-
-    /* The main decoder loop */
-    endofstream = 0;
-
-    while (!endofstream) {
-        enum codec_command_action action = ci->get_command(&param);
-
-        if (action == CODEC_ACTION_HALT)
-            break;
-
-        if (action == CODEC_ACTION_SEEK_TIME) {
-            /* 3rd args(read_buffer) is unnecessary in the format which AIFF supports. */
-            struct pcm_pos *newpos = codec->get_seek_pos(param, PCM_SEEK_TIME, NULL);
-
-            if (newpos->pos > format.numbytes)
-            {
-                ci->set_elapsed(ci->id3->length);
-                ci->seek_complete();
-                break;
-            }
-
-            if (ci->seek_buffer(firstblockposn + newpos->pos))
-            {
-                bytesdone      = newpos->pos;
-                decodedsamples = newpos->samples;
-            }
-
-            ci->set_elapsed(decodedsamples*1000LL/ci->id3->frequency);
-            ci->seek_complete();
-        }
-        aifbuf = (uint8_t *)ci->request_buffer(&n, format.chunksize);
-
-        if (n == 0)
-            break; /* End of stream */
-
-        if (bytesdone + n > format.numbytes) {
-            n = format.numbytes - bytesdone;
-            endofstream = 1;
-        }
-
-        if (codec->decode(aifbuf, n, samples, &bufcount) == CODEC_ERROR)
-        {
-            DEBUGF("codec error\n");
-            return CODEC_ERROR;
-        }
-
-        ci->pcmbuf_insert(samples, NULL, bufcount);
-
-        ci->advance_buffer(n);
-        bytesdone += n;
-        decodedsamples += bufcount;
-        if (bytesdone >= format.numbytes)
-            endofstream = 1;
-
-        ci->set_elapsed(decodedsamples*1000LL/ci->id3->frequency);
-    }
-
-    return CODEC_OK;
-}