Merge "Content found in the wild violated the MPEG4 systems specs" (7dff060f) · Commits · e / os / android_frameworks_av

media/libstagefright/ESDS.cpp

+19 −1

Original line number	Diff line number	Diff line
		@@ -14,6 +14,10 @@
		* limitations under the License.
		*/

		//#define LOG_NDEBUG 0
		#define LOG_TAG "ESDS"
		#include <utils/Log.h>

		#include "include/ESDS.h"

		#include <string.h>
		@@ -87,6 +91,8 @@ status_t ESDS::skipDescriptorHeader(
		}
		while (more);

		LOGV("tag=0x%02x data_size=%d", tag, data_size);

		if (*data_size > size) {
		return ERROR_MALFORMED;
		}
		@@ -146,6 +152,18 @@ status_t ESDS::parseESDescriptor(size_t offset, size_t size) {
		if (OCRstreamFlag) {
		offset += 2;
		size -= 2;

		if ((offset >= size \|\| mData[offset] != kTag_DecoderConfigDescriptor)
		&& offset - 2 < size
		&& mData[offset - 2] == kTag_DecoderConfigDescriptor) {
		// Content found "in the wild" had OCRstreamFlag set but was
		// missing OCR_ES_Id, the decoder config descriptor immediately
		// followed instead.
		offset -= 2;
		size += 2;

		LOGW("Found malformed 'esds' atom, ignoring missing OCR_ES_Id.");
		}
		}

		if (offset >= size) {