testsuite: Introduce a new test for para_server.

[paraslash.git] / aac_common.c

diff --git a/aac_common.c b/aac_common.c
index 43e56000c4c4c1fab3746153dbb06a28a498f91d..9e46a77ca27af1e2b433b5bf68ad4cac61878226 100644 (file)
--- a/aac_common.c
+++ b/aac_common.c
@@ -1,34 +1,23 @@
 /*
- * Copyright (C) 2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2011 Andre Noll <maan@systemlinux.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, USA.
+ * Licensed under the GPL v2. For licencing details see COPYING.
  */
 /*
  * based in parts on libfaad, Copyright (C) 2003-2005 M. Bakker,
  * Ahead Software AG
  */
 
-/** \file aac_ccomon.c common functions of aac_afh and aadcec */
+/** \file aac_common.c common functions of aac_afh and aadcec */
 
 #include "para.h"
 #include "aac.h"
 #include "error.h"
 
 /**
- * get a new libfaad decoder handle
+ * Get a new libfaad decoder handle.
  *
+ * \return The handle returned by NeAACDecOpen().
  */
 NeAACDecHandle aac_open(void)
 {
@@ -40,13 +29,13 @@ NeAACDecHandle aac_open(void)
        c->downMatrix = 0;
        NeAACDecSetConfiguration(h, c);
        return h;
-};
+}
 
-static int aac_read_decoder_length(unsigned char *buf, int *description_len)
+static unsigned long aac_read_decoder_length(unsigned char *buf, int *description_len)
 {
        uint8_t b;
        uint8_t numBytes = 0;
-       uint32_t length = 0;
+       unsigned long length = 0;
 
        do {
                b = buf[numBytes];
@@ -58,19 +47,32 @@ static int aac_read_decoder_length(unsigned char *buf, int *description_len)
        return length;
 }
 
-int aac_find_esds(unsigned char *buf, unsigned buflen, int *skip)
+/**
+ * search for the position and the length of the decoder configuration
+ *
+ * \param buf buffer to seach
+ * \param buflen length of \a buf
+ * \param skip Upon succesful return, this contains the offset in \a buf where
+ * the decoder config starts.
+ * \param decoder_length result pointer that is filled in with the length of
+ * the decoder configuration on success.
+ *
+ * \return positive on success, negative on errors
+ */
+int aac_find_esds(unsigned char *buf, size_t buflen, size_t *skip,
+               unsigned long *decoder_length)
 {
-       int i;
+       size_t i;
 
        for (i = 0; i + 4 < buflen; i++) {
                unsigned char *p = buf + i;
-               int decoder_length, description_len;
+               int description_len;
 
                if (p[0] != 'e' || p[1] != 's' || p[2] != 'd' || p[3] != 's')
                        continue;
                i += 8;
                p = buf + i;
-               PARA_INFO_LOG("found esds@%d, next: %x\n", i, *p);
+               PARA_INFO_LOG("found esds@%zu, next: %x\n", i, *p);
                if (*p == 3)
                        i += 8;
                else
@@ -86,21 +88,15 @@ int aac_find_esds(unsigned char *buf, unsigned buflen, int *skip)
                        continue;
                i++;
                p = buf + i;
-               decoder_length = aac_read_decoder_length(p, &description_len);
-               PARA_INFO_LOG("decoder length: %d\n", decoder_length);
+               *decoder_length = aac_read_decoder_length(p, &description_len);
+               PARA_INFO_LOG("decoder length: %lu\n", *decoder_length);
                i += description_len;
                *skip = i;
-               return decoder_length;
+               return 1;
        }
        return -E_ESDS;
 }
 
-unsigned aac_read_int32(unsigned char *buf)
-{
-       uint8_t *d = (uint8_t*)buf;
-       return (d[0] << 24) | (d[1] << 16) | (d[2] << 8) | d[3];
-}
-
 /**
  * search for the first entry in the stco table
  *
@@ -112,25 +108,24 @@ unsigned aac_read_int32(unsigned char *buf)
  * \return the position of the first entry in the table on success,
  * -E_STCO on errors.
  */
-
-int aac_find_entry_point(unsigned char *buf, unsigned buflen, int *skip)
+ssize_t aac_find_entry_point(unsigned char *buf, size_t buflen, size_t *skip)
 {
-       int i, ret;
+       ssize_t ret;
+       size_t i;
 
        for (i = 0; i + 20 < buflen; i++) {
                unsigned char *p = buf + i;
 
                if (p[0] != 's' || p[1] != 't' || p[2] != 'c' || p[3] != 'o')
                        continue;
-               PARA_INFO_LOG("found stco@%d\n", i);
+               PARA_INFO_LOG("found stco@%zu\n", i);
                i += 12;
                ret = aac_read_int32(buf + i); /* first offset */
                i += 4;
-               PARA_INFO_LOG("num entries: %d\n", ret);
+               PARA_INFO_LOG("entry point: %zd\n", ret);
                *skip = i;
                return ret;
        }
-       PARA_WARNING_LOG("stco not found, buflen: %d\n", buflen);
+       PARA_WARNING_LOG("stco not found, buflen: %zu\n", buflen);
        return -E_STCO;
 }
-