#include "include/ESDS.h"
#include <ctype.h>
+#define __STDC_FORMAT_MACROS 1
+#include <inttypes.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
namespace android {
+enum {
+ // maximum size of an atom. Some atoms can be bigger according to the spec,
+ // but we only allow up to this size.
+ kMaxAtomSize = 64 * 1024 * 1024,
+};
+
class MPEG4Source : public MediaSource {
public:
// Caller retains ownership of both "dataSource" and "sampleTable".
PathAdder autoAdder(&mPath, chunk_type);
off64_t chunk_data_size = *offset + chunk_size - data_offset;
+ if (chunk_type != FOURCC('m', 'd', 'a', 't') && chunk_data_size > kMaxAtomSize) {
+ char errMsg[100];
+ sprintf(errMsg, "%s atom has size %" PRId64, chunk, chunk_data_size);
+ ALOGE("%s (b/28615448)", errMsg);
+ android_errorWriteWithInfoLog(0x534e4554, "28615448", -1, errMsg, strlen(errMsg));
+ return ERROR_MALFORMED;
+ }
if (chunk_type != FOURCC('c', 'p', 'r', 't')
&& chunk_type != FOURCC('c', 'o', 'v', 'r')