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-rw-r--r--trunk/src/inputPlugins/aac_plugin.c475
1 files changed, 0 insertions, 475 deletions
diff --git a/trunk/src/inputPlugins/aac_plugin.c b/trunk/src/inputPlugins/aac_plugin.c
deleted file mode 100644
index 529689706..000000000
--- a/trunk/src/inputPlugins/aac_plugin.c
+++ /dev/null
@@ -1,475 +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 "../inputPlugin.h"
-
-#ifdef HAVE_FAAD
-
-#define AAC_MAX_CHANNELS 6
-
-#include "../utils.h"
-#include "../audio.h"
-#include "../log.h"
-#include "../inputStream.h"
-#include "../outputBuffer.h"
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <faad.h>
-
-/* all code here is either based on or copied from FAAD2's frontend code */
-typedef struct {
- InputStream *inStream;
- long bytesIntoBuffer;
- long bytesConsumed;
- long fileOffset;
- unsigned char *buffer;
- int atEof;
-} AacBuffer;
-
-static void fillAacBuffer(AacBuffer * b)
-{
- if (b->bytesConsumed > 0) {
- int bread;
-
- if (b->bytesIntoBuffer) {
- memmove((void *)b->buffer, (void *)(b->buffer +
- b->bytesConsumed),
- b->bytesIntoBuffer);
- }
-
- if (!b->atEof) {
- bread = readFromInputStream(b->inStream,
- (void *)(b->buffer +
- b->
- bytesIntoBuffer),
- 1, b->bytesConsumed);
- if (bread != b->bytesConsumed)
- b->atEof = 1;
- b->bytesIntoBuffer += bread;
- }
-
- b->bytesConsumed = 0;
-
- if (b->bytesIntoBuffer > 3) {
- if (memcmp(b->buffer, "TAG", 3) == 0)
- b->bytesIntoBuffer = 0;
- }
- if (b->bytesIntoBuffer > 11) {
- if (memcmp(b->buffer, "LYRICSBEGIN", 11) == 0) {
- b->bytesIntoBuffer = 0;
- }
- }
- if (b->bytesIntoBuffer > 8) {
- if (memcmp(b->buffer, "APETAGEX", 8) == 0) {
- b->bytesIntoBuffer = 0;
- }
- }
- }
-}
-
-static void advanceAacBuffer(AacBuffer * b, int bytes)
-{
- b->fileOffset += bytes;
- b->bytesConsumed = bytes;
- b->bytesIntoBuffer -= bytes;
-}
-
-static int adtsSampleRates[] =
- { 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
- 16000, 12000, 11025, 8000, 7350, 0, 0, 0
-};
-
-static int adtsParse(AacBuffer * b, float *length)
-{
- int frames, frameLength;
- int tFrameLength = 0;
- int sampleRate = 0;
- float framesPerSec, bytesPerFrame;
-
- /* Read all frames to ensure correct time and bitrate */
- for (frames = 0;; frames++) {
- fillAacBuffer(b);
-
- if (b->bytesIntoBuffer > 7) {
- /* check syncword */
- if (!((b->buffer[0] == 0xFF) &&
- ((b->buffer[1] & 0xF6) == 0xF0))) {
- break;
- }
-
- if (frames == 0) {
- sampleRate = adtsSampleRates[(b->
- buffer[2] & 0x3c)
- >> 2];
- }
-
- frameLength = ((((unsigned int)b->buffer[3] & 0x3))
- << 11) | (((unsigned int)b->buffer[4])
- << 3) | (b->buffer[5] >> 5);
-
- tFrameLength += frameLength;
-
- if (frameLength > b->bytesIntoBuffer)
- break;
-
- advanceAacBuffer(b, frameLength);
- } else
- break;
- }
-
- framesPerSec = (float)sampleRate / 1024.0;
- if (frames != 0) {
- bytesPerFrame = (float)tFrameLength / (float)(frames * 1000);
- } else
- bytesPerFrame = 0;
- if (framesPerSec != 0)
- *length = (float)frames / framesPerSec;
-
- return 1;
-}
-
-static void initAacBuffer(InputStream * inStream, AacBuffer * b, float *length,
- size_t * retFileread, size_t * retTagsize)
-{
- size_t fileread;
- size_t bread;
- size_t tagsize;
-
- if (length)
- *length = -1;
-
- memset(b, 0, sizeof(AacBuffer));
-
- b->inStream = inStream;
-
- fileread = inStream->size;
-
- b->buffer = xmalloc(FAAD_MIN_STREAMSIZE * AAC_MAX_CHANNELS);
- memset(b->buffer, 0, FAAD_MIN_STREAMSIZE * AAC_MAX_CHANNELS);
-
- bread = readFromInputStream(inStream, b->buffer, 1,
- FAAD_MIN_STREAMSIZE * AAC_MAX_CHANNELS);
- b->bytesIntoBuffer = bread;
- b->bytesConsumed = 0;
- b->fileOffset = 0;
-
- if (bread != FAAD_MIN_STREAMSIZE * AAC_MAX_CHANNELS)
- b->atEof = 1;
-
- tagsize = 0;
- if (!memcmp(b->buffer, "ID3", 3)) {
- tagsize = (b->buffer[6] << 21) | (b->buffer[7] << 14) |
- (b->buffer[8] << 7) | (b->buffer[9] << 0);
-
- tagsize += 10;
- advanceAacBuffer(b, tagsize);
- fillAacBuffer(b);
- }
-
- if (retFileread)
- *retFileread = fileread;
- if (retTagsize)
- *retTagsize = tagsize;
-
- if (length == NULL)
- return;
-
- if ((b->buffer[0] == 0xFF) && ((b->buffer[1] & 0xF6) == 0xF0)) {
- adtsParse(b, length);
- seekInputStream(b->inStream, tagsize, SEEK_SET);
-
- bread = readFromInputStream(b->inStream, b->buffer, 1,
- FAAD_MIN_STREAMSIZE *
- AAC_MAX_CHANNELS);
- if (bread != FAAD_MIN_STREAMSIZE * AAC_MAX_CHANNELS)
- b->atEof = 1;
- else
- b->atEof = 0;
- b->bytesIntoBuffer = bread;
- b->bytesConsumed = 0;
- b->fileOffset = tagsize;
- } else if (memcmp(b->buffer, "ADIF", 4) == 0) {
- int bitRate;
- int skipSize = (b->buffer[4] & 0x80) ? 9 : 0;
- bitRate =
- ((unsigned int)(b->
- buffer[4 +
- skipSize] & 0x0F) << 19) | ((unsigned
- int)b->
- buffer[5
- +
- skipSize]
- << 11) |
- ((unsigned int)b->
- buffer[6 + skipSize] << 3) | ((unsigned int)b->buffer[7 +
- skipSize]
- & 0xE0);
-
- if (fileread != 0 && bitRate != 0)
- *length = fileread * 8.0 / bitRate;
- else
- *length = fileread;
- }
-}
-
-static float getAacFloatTotalTime(char *file)
-{
- AacBuffer b;
- float length;
- size_t fileread, tagsize;
- faacDecHandle decoder;
- faacDecConfigurationPtr config;
- unsigned long sampleRate;
- unsigned char channels;
- InputStream inStream;
- long bread;
-
- if (openInputStream(&inStream, file) < 0)
- return -1;
-
- initAacBuffer(&inStream, &b, &length, &fileread, &tagsize);
-
- if (length < 0) {
- decoder = faacDecOpen();
-
- config = faacDecGetCurrentConfiguration(decoder);
- config->outputFormat = FAAD_FMT_16BIT;
- faacDecSetConfiguration(decoder, config);
-
- fillAacBuffer(&b);
-#ifdef HAVE_FAAD_BUFLEN_FUNCS
- bread = faacDecInit(decoder, b.buffer, b.bytesIntoBuffer,
- &sampleRate, &channels);
-#else
- bread = faacDecInit(decoder, b.buffer, &sampleRate, &channels);
-#endif
- if (bread >= 0 && sampleRate > 0 && channels > 0)
- length = 0;
-
- faacDecClose(decoder);
- }
-
- if (b.buffer)
- free(b.buffer);
- closeInputStream(&inStream);
-
- return length;
-}
-
-static int getAacTotalTime(char *file)
-{
- int time = -1;
- float length;
-
- if ((length = getAacFloatTotalTime(file)) >= 0)
- time = length + 0.5;
-
- return time;
-}
-
-static int aac_decode(OutputBuffer * cb, DecoderControl * dc, char *path)
-{
- float time;
- float totalTime;
- faacDecHandle decoder;
- faacDecFrameInfo frameInfo;
- faacDecConfigurationPtr config;
- long bread;
- unsigned long sampleRate;
- unsigned char channels;
- int eof = 0;
- unsigned int sampleCount;
- char *sampleBuffer;
- size_t sampleBufferLen;
- /*float * seekTable;
- long seekTableEnd = -1;
- int seekPositionFound = 0; */
- mpd_uint16 bitRate = 0;
- AacBuffer b;
- InputStream inStream;
-
- if ((totalTime = getAacFloatTotalTime(path)) < 0)
- return -1;
-
- if (openInputStream(&inStream, path) < 0)
- return -1;
-
- initAacBuffer(&inStream, &b, NULL, NULL, NULL);
-
- decoder = faacDecOpen();
-
- config = faacDecGetCurrentConfiguration(decoder);
- config->outputFormat = FAAD_FMT_16BIT;
-#ifdef HAVE_FAACDECCONFIGURATION_DOWNMATRIX
- config->downMatrix = 1;
-#endif
-#ifdef HAVE_FAACDECCONFIGURATION_DONTUPSAMPLEIMPLICITSBR
- config->dontUpSampleImplicitSBR = 0;
-#endif
- faacDecSetConfiguration(decoder, config);
-
- fillAacBuffer(&b);
-
-#ifdef HAVE_FAAD_BUFLEN_FUNCS
- bread = faacDecInit(decoder, b.buffer, b.bytesIntoBuffer,
- &sampleRate, &channels);
-#else
- bread = faacDecInit(decoder, b.buffer, &sampleRate, &channels);
-#endif
- if (bread < 0) {
- ERROR("Error not a AAC stream.\n");
- faacDecClose(decoder);
- closeInputStream(b.inStream);
- if (b.buffer)
- free(b.buffer);
- return -1;
- }
-
- dc->audioFormat.bits = 16;
-
- dc->totalTime = totalTime;
-
- time = 0.0;
-
- advanceAacBuffer(&b, bread);
-
- while (!eof) {
- fillAacBuffer(&b);
-
- if (b.bytesIntoBuffer == 0) {
- eof = 1;
- break;
- }
-#ifdef HAVE_FAAD_BUFLEN_FUNCS
- sampleBuffer = faacDecDecode(decoder, &frameInfo, b.buffer,
- b.bytesIntoBuffer);
-#else
- sampleBuffer = faacDecDecode(decoder, &frameInfo, b.buffer);
-#endif
-
- if (frameInfo.error > 0) {
- ERROR("error decoding AAC file: %s\n", path);
- ERROR("faad2 error: %s\n",
- faacDecGetErrorMessage(frameInfo.error));
- eof = 1;
- break;
- }
-#ifdef HAVE_FAACDECFRAMEINFO_SAMPLERATE
- sampleRate = frameInfo.samplerate;
-#endif
-
- if (dc->state != DECODE_STATE_DECODE) {
- dc->audioFormat.channels = frameInfo.channels;
- dc->audioFormat.sampleRate = sampleRate;
- getOutputAudioFormat(&(dc->audioFormat),
- &(cb->audioFormat));
- dc->state = DECODE_STATE_DECODE;
- }
-
- advanceAacBuffer(&b, frameInfo.bytesconsumed);
-
- sampleCount = (unsigned long)(frameInfo.samples);
-
- if (sampleCount > 0) {
- bitRate = frameInfo.bytesconsumed * 8.0 *
- frameInfo.channels * sampleRate /
- frameInfo.samples / 1000 + 0.5;
- time +=
- (float)(frameInfo.samples) / frameInfo.channels /
- sampleRate;
- }
-
- sampleBufferLen = sampleCount * 2;
-
- sendDataToOutputBuffer(cb, NULL, dc, 0, sampleBuffer,
- sampleBufferLen, time, bitRate, NULL);
- if (dc->seek) {
- dc->seekError = 1;
- dc->seek = 0;
- } else if (dc->stop) {
- eof = 1;
- break;
- }
- }
-
- flushOutputBuffer(cb);
-
- faacDecClose(decoder);
- closeInputStream(b.inStream);
- if (b.buffer)
- free(b.buffer);
-
- if (dc->state != DECODE_STATE_DECODE)
- return -1;
-
- if (dc->seek) {
- dc->seekError = 1;
- dc->seek = 0;
- }
-
- if (dc->stop) {
- dc->state = DECODE_STATE_STOP;
- dc->stop = 0;
- } else
- dc->state = DECODE_STATE_STOP;
-
- return 0;
-}
-
-static MpdTag *aacTagDup(char *file)
-{
- MpdTag *ret = NULL;
- int time;
-
- time = getAacTotalTime(file);
-
- if (time >= 0) {
- if ((ret = id3Dup(file)) == NULL)
- ret = newMpdTag();
- ret->time = time;
- } else {
- DEBUG("aacTagDup: Failed to get total song time from: %s\n",
- file);
- }
-
- return ret;
-}
-
-static char *aacSuffixes[] = { "aac", NULL };
-
-InputPlugin aacPlugin = {
- "aac",
- NULL,
- NULL,
- NULL,
- NULL,
- aac_decode,
- aacTagDup,
- INPUT_PLUGIN_STREAM_FILE,
- aacSuffixes,
- NULL
-};
-
-#else
-
-InputPlugin aacPlugin;
-
-#endif /* HAVE_FAAD */
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