]> git.tuebingen.mpg.de Git - paraslash.git/blobdiff - aac_common.c
audiod: Fix error checking in init_default_filters().
[paraslash.git] / aac_common.c
diff --git a/aac_common.c b/aac_common.c
deleted file mode 100644 (file)
index 9edeb1c..0000000
+++ /dev/null
@@ -1,122 +0,0 @@
-#include "para.h"
-#include "aac.h"
-#include "error.h"
-
-NeAACDecHandle aac_open(void)
-{
-       NeAACDecHandle h = NeAACDecOpen();
-       NeAACDecConfigurationPtr c = NeAACDecGetCurrentConfiguration(h);
-
-       c->defObjectType = LC;
-       c->outputFormat = FAAD_FMT_16BIT;
-       c->downMatrix = 0;
-       NeAACDecSetConfiguration(h, c);
-       return h;
-};
-
-static int aac_read_decoder_length(unsigned char *buf, int *description_len)
-{
-       uint8_t b;
-       uint8_t numBytes = 0;
-       uint32_t length = 0;
-
-       do {
-               b = buf[numBytes];
-               numBytes++;
-               length = (length << 7) | (b & 0x7F);
-       } while
-               ((b & 0x80) && numBytes < 4);
-       *description_len = numBytes;
-       return length;
-}
-
-int aac_find_esds(unsigned char *buf, unsigned buflen, int *skip)
-{
-       int i;
-
-       for (i = 0; i + 4 < buflen; i++) {
-               unsigned char *p = buf + i;
-               int decoder_length, 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);
-               if (*p == 3)
-                       i += 8;
-               else
-                       i += 6;
-               p = buf + i;
-               PARA_INFO_LOG("next: %x\n", *p);
-               if (*p != 4)
-                       continue;
-               i += 18;
-               p = buf + i;
-               PARA_INFO_LOG("next: %x\n", *p);
-               if (*p != 5)
-                       continue;
-               i++;
-               p = buf + i;
-               decoder_length = aac_read_decoder_length(p, &description_len);
-               PARA_INFO_LOG("decoder length: %d\n", decoder_length);
-               i += description_len;
-               *skip = i;
-               return decoder_length;
-       }
-       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];
-}
-
-
-int aac_find_entry(unsigned char *buf, unsigned buflen, int *skip)
-{
-       int i, ret;
-
-       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);
-               i += 12;
-               ret = aac_read_int32(buf + i); /* first offset */
-               i += 4;
-               PARA_INFO_LOG("num entries: %d\n", ret);
-               *skip = i;
-               return ret;
-       }
-       PARA_WARNING_LOG("stco not found, buflen: %d\n", buflen);
-       return -E_STCO;
-}
-
-int aac_find_stsz(unsigned char *buf, unsigned buflen, unsigned *skip)
-{
-       int i;
-
-       for (i = 0; i + 16 < buflen; i++) {
-               unsigned char *p = buf + i;
-               unsigned sample_count, sample_size;
-
-               if (p[0] != 's' || p[1] != 't' || p[2] != 's' || p[3] != 'z')
-                       continue;
-               PARA_INFO_LOG("found stsz@%d\n", i);
-               i += 8;
-               sample_size = aac_read_int32(buf + i);
-               PARA_INFO_LOG("sample size: %d\n", sample_size);
-               i += 4;
-               sample_count = aac_read_int32(buf + i);
-               i += 4;
-               PARA_INFO_LOG("sample count: %d\n", sample_count);
-               *skip = i;
-               return sample_count;
-       }
-       PARA_WARNING_LOG("stsz not found, buflen: %d\n", buflen);
-       return -E_STCO;
-}
-