mp4/aac now use InputStream

src/aac_decode.c

@@ -26,6 +26,7 @@
 #include "utils.h"
 #include "audio.h"
 #include "log.h"
+#include "inputStream.h"
 
 #include <stdio.h>
 #include <unistd.h>
@@ -35,12 +36,12 @@
 
 /* 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;
-	FILE *infile;
 } AacBuffer;
 
 void fillAacBuffer(AacBuffer *b) {
@@ -53,8 +54,9 @@ void fillAacBuffer(AacBuffer *b) {
 		}
 
 		if(!b->atEof) {
-			bread = fread((void *)(b->buffer+b->bytesIntoBuffer),1,
-					b->bytesConsumed,b->infile);
+			bread = readFromInputStream(b->inStream,
+					(void *)(b->buffer+b->bytesIntoBuffer),
+					1,b->bytesConsumed);
 			if(bread!=b->bytesConsumed) b->atEof = 1;
 			b->bytesIntoBuffer+=bread;
 		}
@@ -132,7 +134,7 @@ int adtsParse(AacBuffer * b, float * length) {
 	return 1;
 }
 
-void initAacBuffer(FILE * fp, AacBuffer * b, float * length, 
+void initAacBuffer(InputStream * inStream, AacBuffer * b, float * length, 
 		size_t * retFileread, size_t * retTagsize)
 {
 	size_t fileread;
@@ -143,17 +145,15 @@ void initAacBuffer(FILE * fp, AacBuffer * b, float * length,
 
 	memset(b,0,sizeof(AacBuffer));
 
-	b->infile = fp;
+	b->inStream = inStream;
 
-	fseek(b->infile,0,SEEK_END);
-	fileread = ftell(b->infile);
-	fseek(b->infile,0,SEEK_SET);
+	fileread = inStream->size;
 
 	b->buffer = malloc(FAAD_MIN_STREAMSIZE*AAC_MAX_CHANNELS);
 	memset(b->buffer,0,FAAD_MIN_STREAMSIZE*AAC_MAX_CHANNELS);
 
-	bread = fread(b->buffer,1,FAAD_MIN_STREAMSIZE*AAC_MAX_CHANNELS,
-			b->infile);
+	bread = readFromInputStream(inStream,b->buffer,1,
+			FAAD_MIN_STREAMSIZE*AAC_MAX_CHANNELS);
 	b->bytesIntoBuffer = bread;
 	b->bytesConsumed = 0;
 	b->fileOffset = 0;
@@ -177,11 +177,10 @@ void initAacBuffer(FILE * fp, AacBuffer * b, float * length,
 
 	if((b->buffer[0] == 0xFF) && ((b->buffer[1] & 0xF6) == 0xF0)) {
 		adtsParse(b, length);
-		fseek(b->infile, tagsize, SEEK_SET);
+		seekInputStream(b->inStream, tagsize, SEEK_SET);
 
-		bread = fread(b->buffer, 1, 
-				FAAD_MIN_STREAMSIZE*AAC_MAX_CHANNELS,
-				b->infile);
+		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;
@@ -209,12 +208,12 @@ float getAacFloatTotalTime(char * file) {
 	faacDecConfigurationPtr config;
 	unsigned long sampleRate;
 	unsigned char channels;
-	FILE * fp = fopen(file,"r");
+	InputStream inStream;
 	size_t bread;
 
-	if(fp==NULL) return -1;
+	if(openInputStreamFromFile(&inStream,file) < 0) return -1;
 
-	initAacBuffer(fp,&b,&length,&fileread,&tagsize);
+	initAacBuffer(&inStream,&b,&length,&fileread,&tagsize);
 
 	if(length < 0) {
 		decoder = faacDecOpen();
@@ -236,7 +235,7 @@ float getAacFloatTotalTime(char * file) {
 	}
 
 	if(b.buffer) free(b.buffer);
-	fclose(b.infile);
+	closeInputStream(&inStream);
 
 	return length;
 }
@@ -270,15 +269,13 @@ int aac_decode(Buffer * cb, AudioFormat * af, DecoderControl * dc) {
 	int seekPositionFound = 0;*/
 	mpd_uint16 bitRate = 0;
 	AacBuffer b;
-	FILE * fp;
+	InputStream inStream;
 
 	if((totalTime = getAacFloatTotalTime(dc->file)) < 0) return -1;
 
-	fp = fopen(dc->file,"r");
+	if(openInputStreamFromFile(&inStream,dc->file) < 0) return -1;
 
-	if(fp==NULL) return -1;
-
-	initAacBuffer(fp,&b,NULL,NULL,NULL);
+	initAacBuffer(&inStream,&b,NULL,NULL,NULL);
 
 	decoder = faacDecOpen();
 
@@ -303,7 +300,7 @@ int aac_decode(Buffer * cb, AudioFormat * af, DecoderControl * dc) {
 	if(bread < 0) {
 		ERROR("Error not a AAC stream.\n");
 		faacDecClose(decoder);
-		fclose(b.infile);
+		closeInputStream(b.inStream);
 		if(b.buffer) free(b.buffer);
 		return -1;
 	}
@@ -404,7 +401,7 @@ int aac_decode(Buffer * cb, AudioFormat * af, DecoderControl * dc) {
 	} while (!eof);
 
 	faacDecClose(decoder);
-	fclose(b.infile);
+	closeInputStream(b.inStream);
 	if(b.buffer) free(b.buffer);
 
 	if(dc->start) return -1;

src/mp4_decode.c

@@ -25,6 +25,7 @@
 #include "audio.h"
 #include "log.h"
 #include "pcm_utils.h"
+#include "inputStream.h"
 
 #include "mp4ff/mp4ff.h"
 
@@ -72,17 +73,18 @@ int mp4_getAACTrack(mp4ff_t *infile) {
 	return -1;
 }
 
-uint32_t mp4_readCallback(void *user_data, void *buffer, uint32_t length) {
-	return fread(buffer, 1, length, (FILE*)user_data);
+uint32_t mp4_inputStreamReadCallback(void *inStream, void *buffer, 
+		uint32_t length) 
+{
+	return readFromInputStream((InputStream*) inStream, buffer, 1, length);
 }
             
-uint32_t mp4_seekCallback(void *user_data, uint64_t position) {
-	return fseek((FILE*)user_data, position, SEEK_SET);
+uint32_t mp4_inputStreamSeekCallback(void *inStream, uint64_t position) {
+	return seekInputStream((InputStream *) inStream, position, SEEK_SET);
 }       
 		    
 
 int mp4_decode(Buffer * cb, AudioFormat * af, DecoderControl * dc) {
-	FILE * fh;
 	mp4ff_t * mp4fh;
 	mp4ff_callback_t * mp4cb; 
 	int32_t track;
@@ -109,23 +111,23 @@ int mp4_decode(Buffer * cb, AudioFormat * af, DecoderControl * dc) {
 	int seekPositionFound = 0;
 	long offset;
 	mpd_uint16 bitRate = 0;
+	InputStream inStream;
 
-	fh = fopen(dc->file,"r");
-	if(!fh) {
+	if(openInputStreamFromFile(&inStream,dc->file) < 0) {
 		ERROR("failed to open %s\n",dc->file);
 		return -1;
 	}
 
 	mp4cb = malloc(sizeof(mp4ff_callback_t));
-	mp4cb->read = mp4_readCallback;
-	mp4cb->seek = mp4_seekCallback;
-	mp4cb->user_data = fh;
+	mp4cb->read = mp4_inputStreamReadCallback;
+	mp4cb->seek = mp4_inputStreamSeekCallback;
+	mp4cb->user_data = &inStream;
 
 	mp4fh = mp4ff_open_read(mp4cb);
 	if(!mp4fh) {
 		ERROR("Input does not appear to be a mp4 stream.\n");
 		free(mp4cb);
-		fclose(fh);
+		closeInputStream(&inStream);
 		return -1;
 	}
 
@@ -133,7 +135,7 @@ int mp4_decode(Buffer * cb, AudioFormat * af, DecoderControl * dc) {
 	if(track < 0) {
 		ERROR("No AAC track found in mp4 stream.\n");
 		mp4ff_close(mp4fh);
-		fclose(fh);
+		closeInputStream(&inStream);
 		free(mp4cb);
 		return -1;
 	}
@@ -163,7 +165,7 @@ int mp4_decode(Buffer * cb, AudioFormat * af, DecoderControl * dc) {
 		faacDecClose(decoder);
 		mp4ff_close(mp4fh);
 		free(mp4cb);
-		fclose(fh);
+		closeInputStream(&inStream);
 		return -1;
 	}
 
@@ -178,7 +180,7 @@ int mp4_decode(Buffer * cb, AudioFormat * af, DecoderControl * dc) {
 		ERROR("Error getting audio format of mp4 AAC track.\n");
 		faacDecClose(decoder);
 		mp4ff_close(mp4fh);
-		fclose(fh);
+		closeInputStream(&inStream);
 		free(mp4cb);
 		return -1;
 	}
@@ -316,7 +318,7 @@ int mp4_decode(Buffer * cb, AudioFormat * af, DecoderControl * dc) {
 	free(seekTable);
 	faacDecClose(decoder);
 	mp4ff_close(mp4fh);
-	fclose(fh);
+	closeInputStream(&inStream);
 	free(mp4cb);
 
 	if(dc->start) return -1;

src/mp4_decode.h

@@ -29,11 +29,13 @@
 
 int mp4_getAACTrack(mp4ff_t *infile);
 
-uint32_t mp4_readCallback(void *user_data, void *buffer, uint32_t length);
+int mp4_decode(Buffer * cb, AudioFormat * af, DecoderControl * dc);
 
-uint32_t mp4_seekCallback(void *user_data, uint64_t position);
+uint32_t mp4_inputStreamReadCallback(void *inStream, void *buffer, 
+	uint32_t length);
+
+uint32_t mp4_inputStreamSeekCallback(void *inStream, uint64_t position);
 
-int mp4_decode(Buffer * cb, AudioFormat * af, DecoderControl * dc);
 
 #endif /* HAVE_FAAD */
 

src/tag.c

@@ -26,6 +26,7 @@
 #include "utils.h"
 #include "utf8.h"
 #include "log.h"
+#include "inputStream.h"
 
 #include <sys/stat.h>
 #include <stdlib.h>
@@ -209,7 +210,7 @@ MpdTag * aacTagDup(char * utf8file) {
 
 MpdTag * mp4DataDup(char * utf8file, int * mp4MetadataFound) {
 	MpdTag * ret = NULL;
-	FILE * fh;
+	InputStream inStream;
 	mp4ff_t * mp4fh;
 	mp4ff_callback_t * cb; 
 	int32_t track;
@@ -218,27 +219,28 @@ MpdTag * mp4DataDup(char * utf8file, int * mp4MetadataFound) {
 
 	*mp4MetadataFound = 0;
 	
-	fh = fopen(rmp2amp(utf8ToFsCharset(utf8file)),"r");
-	if(!fh) {
+	if(openInputStreamFromFile(&inStream,rmp2amp(utf8ToFsCharset(utf8file)))
+			< 0)
+	{
 		return NULL;
 	}
 
 	cb = malloc(sizeof(mp4ff_callback_t));
-	cb->read = mp4_readCallback;
-	cb->seek = mp4_seekCallback;
-	cb->user_data = fh;
+	cb->read = mp4_inputStreamReadCallback;
+	cb->seek = mp4_inputStreamSeekCallback;
+	cb->user_data = &inStream;
 
 	mp4fh = mp4ff_open_read(cb);
 	if(!mp4fh) {
 		free(cb);
-		fclose(fh);
+		closeInputStream(&inStream);
 		return NULL;
 	}
 
 	track = mp4_getAACTrack(mp4fh);
 	if(track < 0) {
 		mp4ff_close(mp4fh);
-		fclose(fh);
+		closeInputStream(&inStream);
 		free(cb);
 		return NULL;
 	}
@@ -248,7 +250,7 @@ MpdTag * mp4DataDup(char * utf8file, int * mp4MetadataFound) {
 	scale = mp4ff_time_scale(mp4fh,track);
 	if(scale < 0) {
 		mp4ff_close(mp4fh);
-		fclose(fh);
+		closeInputStream(&inStream);
 		free(cb);
 		freeMpdTag(ret);
 		return NULL;
@@ -272,7 +274,7 @@ MpdTag * mp4DataDup(char * utf8file, int * mp4MetadataFound) {
 	}
 
 	mp4ff_close(mp4fh);
-	fclose(fh);
+	closeInputStream(&inStream);
 	free(cb);
 
 	return ret;