diff options
Diffstat (limited to 'libs/ffvpx/libavcodec/flac_parser.c')
| -rw-r--r-- | libs/ffvpx/libavcodec/flac_parser.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/libs/ffvpx/libavcodec/flac_parser.c b/libs/ffvpx/libavcodec/flac_parser.c index 272128646..db6765f34 100644 --- a/libs/ffvpx/libavcodec/flac_parser.c +++ b/libs/ffvpx/libavcodec/flac_parser.c @@ -55,6 +55,7 @@ /** largest possible size of flac header */ #define MAX_FRAME_HEADER_SIZE 16 +#define MAX_FRAME_VERIFY_SIZE (MAX_FRAME_HEADER_SIZE) typedef struct FLACHeaderMarker { int offset; /**< byte offset from start of FLACParseContext->buffer */ @@ -169,7 +170,7 @@ static int find_headers_search_validate(FLACParseContext *fpc, int offset) uint8_t *header_buf; int size = 0; header_buf = flac_fifo_read_wrap(fpc, offset, - MAX_FRAME_HEADER_SIZE, + MAX_FRAME_VERIFY_SIZE + AV_INPUT_BUFFER_PADDING_SIZE, &fpc->wrap_buf, &fpc->wrap_buf_allocated_size); if (frame_header_is_valid(fpc->avctx, header_buf, &fi)) { @@ -216,16 +217,20 @@ static int find_headers_search(FLACParseContext *fpc, uint8_t *buf, int buf_size uint32_t x; for (i = 0; i < mod_offset; i++) { - if ((AV_RB16(buf + i) & 0xFFFE) == 0xFFF8) - size = find_headers_search_validate(fpc, search_start + i); + if ((AV_RB16(buf + i) & 0xFFFE) == 0xFFF8) { + int ret = find_headers_search_validate(fpc, search_start + i); + size = FFMAX(size, ret); + } } for (; i < buf_size - 1; i += 4) { x = AV_RB32(buf + i); if (((x & ~(x + 0x01010101)) & 0x80808080)) { for (j = 0; j < 4; j++) { - if ((AV_RB16(buf + i + j) & 0xFFFE) == 0xFFF8) - size = find_headers_search_validate(fpc, search_start + i + j); + if ((AV_RB16(buf + i + j) & 0xFFFE) == 0xFFF8) { + int ret = find_headers_search_validate(fpc, search_start + i + j); + size = FFMAX(size, ret); + } } } } |