From d2f8a4ab39aa44d565ef04e2d4792b1dea49ab0e Mon Sep 17 00:00:00 2001
From: Andre <maan@p133.(none)>
Date: Sat, 13 May 2006 05:14:45 +0200
Subject: [PATCH] aacdec: inbuf and inbuf_len are only used in mp3dec()

No need to keep them around in the private_data struct.
---
 aacdec.c | 30 +++++++++++++-----------------
 1 file changed, 13 insertions(+), 17 deletions(-)

diff --git a/aacdec.c b/aacdec.c
index 9cc9755f..315f338c 100644
--- a/aacdec.c
+++ b/aacdec.c
@@ -46,15 +46,13 @@ struct private_mp4dec_data {
 
 	int initialized;
 	int decoder_length;
-	unsigned char *inbuf;
-	int inbuf_len;
 	int consumed;
 	long unsigned consumed_total;
 
 	long unsigned entry;
 };
 
-static ssize_t mp4dec(char *inbuffer, size_t len, struct filter_node *fn)
+static ssize_t mp4dec(char *input_buffer, size_t len, struct filter_node *fn)
 {
 	struct private_mp4dec_data *padd = fn->private_data;
 	struct filter_chain_info *fci = fn->fci;
@@ -62,22 +60,20 @@ static ssize_t mp4dec(char *inbuffer, size_t len, struct filter_node *fn)
 	unsigned char channels = 0;
 	int i, ret, skip;
 	unsigned char *p, *outbuffer;
+	unsigned char *inbuf = (unsigned char*)input_buffer;
 
 	if (fn->loaded > fn->bufsize * 4 / 5)
 		return 0;
 	if (len < 1000 && !*fci->eof)
 		return 0;
 	padd->consumed = 0;
-	padd->inbuf = (unsigned char*)inbuffer;
-	padd->inbuf_len = len;
 
 	if (!padd->initialized) {
-		padd->decoder_length = aac_find_esds(padd->inbuf, padd->inbuf_len,
-			&skip);
+		padd->decoder_length = aac_find_esds(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);
+			ret = NeAACDecInit(padd->decoder, inbuf,
+				len, &rate, &channels);
 			PARA_INFO_LOG("decoder init: %d\n", ret);
 			if (ret < 0) {
 				ret = -E_AACDEC_INIT;
@@ -86,7 +82,7 @@ static ssize_t mp4dec(char *inbuffer, size_t len, struct filter_node *fn)
 			padd->consumed = ret;
 		} else {
 			padd->consumed += skip;
-			p = padd->inbuf + padd->consumed;
+			p = inbuf + padd->consumed;
 			ret = -E_AACDEC_INIT;
 			if (NeAACDecInit2(padd->decoder, p,
 					padd->decoder_length, &rate,
@@ -102,14 +98,14 @@ static ssize_t mp4dec(char *inbuffer, size_t len, struct filter_node *fn)
 	if (padd->decoder_length > 0) {
 		padd->consumed = 0;
 		if (!padd->entry) {
-			ret = aac_find_stco(padd->inbuf + padd->consumed,
-				padd->inbuf_len - padd->consumed, &skip);
+			ret = aac_find_stco(inbuf + padd->consumed,
+				len - padd->consumed, &skip);
 			if (ret < 0) {
 				ret = len;
 				goto out;
 			}
 			padd->consumed += skip;
-			padd->entry = aac_read_int32(padd->inbuf + padd->consumed);
+			padd->entry = aac_read_int32(inbuf + padd->consumed);
 			PARA_INFO_LOG("entry: %lu\n", padd->entry);
 		}
 		ret = len;
@@ -118,12 +114,12 @@ static ssize_t mp4dec(char *inbuffer, size_t len, struct filter_node *fn)
 		if (padd->consumed_total < padd->entry)
 			padd->consumed = padd->entry - padd->consumed_total;
 	}
-	for (; padd->consumed < padd->inbuf_len; padd->consumed++)
-		if ((padd->inbuf[padd->consumed] & 0xfe) == 0x20)
+	for (; padd->consumed < len; padd->consumed++)
+		if ((inbuf[padd->consumed] & 0xfe) == 0x20)
 			break;
-	if (padd->consumed >= padd->inbuf_len)
+	if (padd->consumed >= len)
 		goto success;
-	p = padd->inbuf + padd->consumed;
+	p = inbuf + padd->consumed;
 	outbuffer = NeAACDecDecode(padd->decoder, &padd->frame_info, p,
 		len - padd->consumed);
 	ret = -E_AAC_DECODE;
-- 
2.39.5