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, 227 deletions

diff --git a/apps/codecs/a52_rm.c b/apps/codecs/a52_rm.c
deleted file mode 100644
index 207c282..0000000
--- a/apps/codecs/a52_rm.c
+++ /dev/null
@@ -1,227 +0,0 @@
-/***************************************************************************
- *             __________               __   ___.
- *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
- *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
- *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
- *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
- *                     \/            \/     \/    \/            \/
- * $Id$
- *
- * Copyright (C) 2009 Mohamed Tarek
- *
- * 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/librm/rm.h>
-#include <inttypes.h>  /* Needed by a52.h */
-#include <codecs/liba52/config-a52.h>
-#include <codecs/liba52/a52.h>
-
-CODEC_HEADER
-
-#define BUFFER_SIZE 4096
-
-#define A52_SAMPLESPERFRAME (6*256)
-
-static a52_state_t *state;
-static unsigned long samplesdone;
-static unsigned long frequency;
-static RMContext rmctx;
-static RMPacket pkt;
-
-static void init_rm(RMContext *rmctx)
-{
-    memcpy(rmctx, (void*)(( (intptr_t)ci->id3->id3v2buf + 3 ) &~ 3), sizeof(RMContext));
-}
-
-/* used outside liba52 */
-static uint8_t buf[3840] IBSS_ATTR;
-
-/* The following two functions, a52_decode_data and output_audio are taken from apps/codecs/a52.c */
-static inline void output_audio(sample_t *samples)
-{
-    ci->yield();
-    ci->pcmbuf_insert(&samples[0], &samples[256], 256);
-}
-
-static void a52_decode_data(uint8_t *start, uint8_t *end)
-{
-    static uint8_t *bufptr = buf;
-    static uint8_t *bufpos = buf + 7;
-    /*
-     * sample_rate and flags are static because this routine could
-     * exit between the a52_syncinfo() and the ao_setup(), and we want
-     * to have the same values when we get back !
-     */
-    static int sample_rate;
-    static int flags;
-    int bit_rate;
-    int len;
-
-    while (1) {
-        len = end - start;
-        if (!len)
-            break;
-        if (len > bufpos - bufptr)
-            len = bufpos - bufptr;
-        memcpy(bufptr, start, len);
-        bufptr += len;
-        start += len;
-        if (bufptr == bufpos) {
-            if (bufpos == buf + 7) {
-                int length;
-
-                length = a52_syncinfo(buf, &flags, &sample_rate, &bit_rate);
-                if (!length) {
-                    //DEBUGF("skip\n");
-                    for (bufptr = buf; bufptr < buf + 6; bufptr++)
-                        bufptr[0] = bufptr[1];
-                    continue;
-                }
-                bufpos = buf + length;
-            } else {
-                /* Unity gain is 1 << 26, and we want to end up on 28 bits
-                   of precision instead of the default 30.
-                 */
-                level_t level = 1 << 24;
-                sample_t bias = 0;
-                int i;
-
-                /* This is the configuration for the downmixing: */
-                flags = A52_STEREO | A52_ADJUST_LEVEL;
-
-                if (a52_frame(state, buf, &flags, &level, bias))
-                    goto error;
-                a52_dynrng(state, NULL, NULL);
-                frequency = sample_rate;
-
-                /* An A52 frame consists of 6 blocks of 256 samples
-                   So we decode and output them one block at a time */
-                for (i = 0; i < 6; i++) {
-                    if (a52_block(state))
-                        goto error;
-                    output_audio(a52_samples(state));
-                    samplesdone += 256;
-                }
-                ci->set_elapsed(samplesdone/(frequency/1000));
-                bufptr = buf;
-                bufpos = buf + 7;
-                continue;
-            error:
-                //logf("Error decoding A52 stream\n");
-                bufptr = buf;
-                bufpos = buf + 7;
-            }
-        }   
-    }
-}
-
-/* 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_STEREO_MODE, STEREO_NONINTERLEAVED);
-        ci->configure(DSP_SET_SAMPLE_DEPTH, 28);
-    }
-    else if (reason == CODEC_UNLOAD) {
-        if (state)
-            a52_free(state);        
-    }
-
-    return CODEC_OK;
-}
-
-/* this is called for each file to process */
-enum codec_status codec_run(void)
-{
-    size_t n;
-    uint8_t *filebuf;
-    int consumed, packet_offset;
-    int playback_on = -1;
-    size_t resume_offset;
-    intptr_t param;
-    enum codec_command_action action = CODEC_ACTION_NULL;
-
-    if (codec_init()) {
-        return CODEC_ERROR;
-    }
-
-    resume_offset = ci->id3->offset;
-
-    ci->configure(DSP_SWITCH_FREQUENCY, ci->id3->frequency);
-    codec_set_replaygain(ci->id3);
-
-    ci->seek_buffer(ci->id3->first_frame_offset);
-
-    /* Intializations */
-    state = a52_init(0);
-    ci->memset(&rmctx,0,sizeof(RMContext)); 
-    ci->memset(&pkt,0,sizeof(RMPacket));
-    init_rm(&rmctx);
-
-    samplesdone = 0;
-
-    /* check for a mid-track resume and force a seek time accordingly */
-    if(resume_offset > rmctx.data_offset + DATA_HEADER_SIZE) {
-        resume_offset -= rmctx.data_offset + DATA_HEADER_SIZE;
-        /* put number of subpackets to skip in resume_offset */
-        resume_offset /= (rmctx.block_align + PACKET_HEADER_SIZE);
-        param = (int)resume_offset * ((rmctx.block_align * 8 * 1000)/rmctx.bit_rate);
-        action = CODEC_ACTION_SEEK_TIME;
-    }
-    else {
-        /* Seek to the first packet */
-        ci->set_elapsed(0);
-        ci->advance_buffer(rmctx.data_offset + DATA_HEADER_SIZE );
-    }
-
-    /* The main decoding loop */
-    while((unsigned)rmctx.audio_pkt_cnt < rmctx.nb_packets) {
-        if (action == CODEC_ACTION_NULL)
-            action = ci->get_command(&param);
-
-        if (action == CODEC_ACTION_HALT)
-            break;
-
-        if (action == CODEC_ACTION_SEEK_TIME) {
-            packet_offset = param / ((rmctx.block_align*8*1000)/rmctx.bit_rate);
-            ci->seek_buffer(rmctx.data_offset + DATA_HEADER_SIZE +
-                            packet_offset*(rmctx.block_align + PACKET_HEADER_SIZE));
-            rmctx.audio_pkt_cnt = packet_offset;
-            samplesdone = (rmctx.sample_rate/1000 * param);
-            ci->set_elapsed(samplesdone/(frequency/1000));
-            ci->seek_complete();
-        }
-
-        action = CODEC_ACTION_NULL;
-
-        filebuf = ci->request_buffer(&n, rmctx.block_align + PACKET_HEADER_SIZE);
-        consumed = rm_get_packet(&filebuf, &rmctx, &pkt);
-
-        if(consumed < 0 && playback_on != 0) {
-            if(playback_on == -1) {
-            /* Error only if packet-parsing failed and playback hadn't started */
-                DEBUGF("rm_get_packet failed\n");
-                return CODEC_ERROR;
-            }
-            else {
-                break;
-            }
-        }
-
-        playback_on = 1;
-        a52_decode_data(filebuf, filebuf + rmctx.block_align);
-        ci->advance_buffer(pkt.length);
-    }
-
-    return CODEC_OK;
-}