aac_plugin

git-svn-id: https://svn.musicpd.org/mpd/trunk@1250 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 0 insertions, 400 deletions

diff --git a/src/aac_decode.c b/src/aac_decode.c
deleted file mode 100644
index 6dbaea1bc..000000000
--- a/src/aac_decode.c
+++ /dev/null
@@ -1,400 +0,0 @@
-/* the Music Player Daemon (MPD)
- * (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu)
- * 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 "aac_decode.h"
-
-#ifdef HAVE_FAAD
-
-#define AAC_MAX_CHANNELS	6
-
-#include "command.h"
-#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;
-
-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;
-			}
-		}
-	}
-}
-
-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};
-
-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;
-}
-
-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 = malloc(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);
-
-		*length = fileread;
-		if(*length!=0 && bitRate!=0) *length = *length*8.0/bitRate;
-	}
-}
-
-float getAacFloatTotalTime(char * file) {
-	AacBuffer b;
-	float length;
-	size_t fileread, tagsize;
-	faacDecHandle decoder;
-	faacDecConfigurationPtr config;
-	unsigned long sampleRate;
-	unsigned char channels;
-	InputStream inStream;
-	size_t 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;
-}
-
-int getAacTotalTime(char * file) {
-	int time = -1;
-	float length;
-
-	if((length = getAacFloatTotalTime(file))>=0) time = length+0.5;
-
-	return time;
-}
-
-
-int aac_decode(OutputBuffer * cb, DecoderControl * dc) {
-	float time;
-	float totalTime;
-	faacDecHandle decoder;
-	faacDecFrameInfo frameInfo;
-	faacDecConfigurationPtr config;
-	size_t 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(dc->file)) < 0) return -1;
-
-	if(openInputStream(&inStream,dc->file) < 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",dc->file);
-			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);
-		if(dc->seek) {
-                        dc->seekError = 1;
-                        dc->seek = 0;
-                }
-		else if(dc->stop) {
-			eof = 1;
-			break;
-		}
-	} while (!eof);
-
-	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;
-}
-
-#endif /* HAVE_FAAD */
-/* vim:set shiftwidth=4 tabstop=8 expandtab: */