X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=aacdec.c;h=c41a5ac887e4ff6408e257d1423a74436cf5c491;hp=0eab773a16a024a693d40728d41aa9ea87b8dd49;hb=019f1ffdacd228f6a1e701ef6795c1a65ff02785;hpb=f94f6caa5b4053a3a205329f48bbb49c390c409a

diff --git a/aacdec.c b/aacdec.c
index 0eab773a..c41a5ac8 100644
--- a/aacdec.c
+++ b/aacdec.c
@@ -28,10 +28,8 @@
 #include "list.h"
 #include "filter.h"
 #include "error.h"
-#include <mad.h>
 #include "string.h"
-
-#include <neaacdec.h>
+#include "aac.h"
 
 /** the output buffer size */
 #define MAX_CHANNELS 6
@@ -44,9 +42,7 @@
  */
 struct private_mp4dec_data {
 	NeAACDecHandle decoder;
-	NeAACDecConfigurationPtr config;
 	NeAACDecFrameInfo frame_info;
-	mp4AudioSpecificConfig mp4ASC;
 
 	int initialized;
 	int decoder_length;
@@ -57,61 +53,10 @@ struct private_mp4dec_data {
 
 	unsigned noffsets;
 	unsigned *offset;
+	unsigned offset0;
 	int offset_pos;
 };
 
-static int read_mp4_descr_length(struct private_mp4dec_data *padd)
-{
-	uint8_t b;
-	uint8_t numBytes = 0;
-	uint32_t length = 0;
-
-	do {
-		b = padd->inbuf[padd->consumed + numBytes];
-		numBytes++;
-		length = (length << 7) | (b & 0x7F);
-	} while
-		((b & 0x80) && numBytes < 4);
-	padd->consumed += numBytes;
-	return length;
-}
-
-static int find_esds(struct private_mp4dec_data *padd)
-{
-	for (; padd->consumed < padd->inbuf_len; padd->consumed++) {
-		unsigned char *p = padd->inbuf + padd->consumed;
-		int decoder_length;
-
-		if (p[0] != 'e' || p[1] != 's' || p[2] != 'd' || p[3] != 's')
-			continue;
-		padd->consumed += 8;
-		p = padd->inbuf + padd->consumed;
-		PARA_INFO_LOG("found esds: %d, next: %x\n", padd->consumed, *p);
-		if (*p == 3)
-			padd->consumed += 8;
-		else
-			padd->consumed += 6;
-		p = padd->inbuf + padd->consumed;
-		PARA_INFO_LOG("next: %x\n", *p);
-		if (*p != 4)
-			continue;
-		padd->consumed += 18;
-		p = padd->inbuf + padd->consumed;
-		PARA_INFO_LOG("next: %x\n", *p);
-		if (*p != 5)
-			continue;
-		padd->consumed++;
-		decoder_length = read_mp4_descr_length(padd);
-		PARA_INFO_LOG("decoder length: %d\n", decoder_length);
-		p = padd->inbuf + padd->consumed;
-		PARA_INFO_LOG("decoder data0: %x\n", *p & 0xff);
-		p++;
-		PARA_INFO_LOG("decoder data1: %x\n", *p & 0xff);
-		return decoder_length;
-	}
-	return -E_ESDS;
-}
-
 static int read_int32(struct private_mp4dec_data *padd, unsigned *result)
 {
 	uint8_t *d = (uint8_t*)(padd->inbuf + padd->consumed);
@@ -161,7 +106,7 @@ static ssize_t mp4dec(char *inbuffer, size_t len, struct filter_node *fn)
 	struct filter_chain_info *fci = fn->fci;
 	unsigned long rate = 0;
 	unsigned char channels = 0;
-	int i, ret, nbytes;
+	int i, ret, nbytes, skip;
 	unsigned char *p, *outbuffer;
 
 	if (fn->loaded > fn->bufsize * 4 / 5)
@@ -173,18 +118,22 @@ static ssize_t mp4dec(char *inbuffer, size_t len, struct filter_node *fn)
 	padd->inbuf_len = len;
 
 	if (!padd->initialized) {
-		padd->decoder_length = find_esds(padd);
+		padd->decoder_length = aac_find_esds(padd->inbuf, padd->inbuf_len,
+			&skip);
+		PARA_INFO_LOG("decoder len: %d\n", padd->decoder_length);
 		if (padd->decoder_length < 0) {
 			ret = NeAACDecInit(padd->decoder, padd->inbuf,
 				padd->inbuf_len, &rate, &channels);
+			PARA_INFO_LOG("decoder init: %d\n", ret);
 			if (ret < 0) {
-				ret = E_AACDEC_INIT;
+				ret = -E_AACDEC_INIT;
 				goto out;
 			}
 			padd->consumed = ret;
 		} else {
+			padd->consumed += skip;
 			p = padd->inbuf + padd->consumed;
-			ret = E_AACDEC_INIT;
+			ret = -E_AACDEC_INIT;
 			if (NeAACDecInit2(padd->decoder, p,
 					padd->decoder_length, &rate,
 					&channels) < 0)
@@ -192,16 +141,22 @@ static ssize_t mp4dec(char *inbuffer, size_t len, struct filter_node *fn)
 		}
 		fci->samplerate = rate;
 		fci->channels = channels;
-		PARA_INFO_LOG("rate: %u, channels: %d\n", fci->samplerate,
-			fci->channels);
+		PARA_INFO_LOG("rate: %u, channels: %d\n",
+			fci->samplerate, fci->channels);
 		padd->initialized = 1;
 	}
 	if (padd->decoder_length > 0) {
 		padd->consumed = 0;
 		if (!padd->offset_pos) {
-			ret = len;
-			if (find_stco(padd) < 0)
+			ret = aac_find_stco(padd->inbuf + padd->consumed,
+				padd->inbuf_len - padd->consumed, &skip);
+			if (ret < 0) {
+				ret = len;
 				goto out;
+			}
+			padd->noffsets = ret;
+			padd->offset = para_malloc(padd->noffsets * sizeof(int));
+			padd->consumed += skip;
 		}
 		if (padd->offset_pos < padd->noffsets) {
 			fill_offset_table(padd);
@@ -260,13 +215,7 @@ static void mp4dec_open(struct filter_node *fn)
 
 	fn->bufsize = AAC_OUTBUF_SIZE;
 	fn->buf = para_calloc(fn->bufsize);
-
-	padd->decoder = NeAACDecOpen();
-	padd->config = NeAACDecGetCurrentConfiguration(padd->decoder);
-	padd->config->defObjectType = LC;
-	padd->config->outputFormat = FAAD_FMT_16BIT;
-	padd->config->downMatrix = 0;
-	NeAACDecSetConfiguration(padd->decoder, padd->config);
+	padd->decoder = aac_open();
 }
 
 static void mp4dec_close(struct filter_node *fn)