On Mon, 27 Apr 2015 04:53:26 +0530
Niklesh Lalwani <niklesh.lalw...@iitb.ac.in> wrote:
> From: Niklesh <niklesh.lalw...@iitb.ac.in>
>
> Signed-off-by: Niklesh <niklesh.lalw...@iitb.ac.in>
> ---
> libavcodec/movtextdec.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/libavcodec/movtextdec.c b/libavcodec/movtextdec.c
> index ab4efdb..a5d995d 100644
> --- a/libavcodec/movtextdec.c
> +++ b/libavcodec/movtextdec.c
> @@ -96,7 +96,9 @@ static int mov_text_decode_frame(AVCodecContext
> *avctx, char *ptr = avpkt->data;
> char *end;
> //char *ptr_temp;
> - int text_length, tsmb_type, style_entries, tsmb_size;
> + int text_length, style_entries;
> + uint32_t tsmb_type;
> + uint64_t tsmb_size;
> int **style_start = {0,};
> int **style_end = {0,};
> int **style_flags = {0,};
> @@ -145,6 +147,11 @@ static int mov_text_decode_frame(AVCodecContext
> *avctx, tsmb_type = AV_RB32(tsmb);
> tsmb += 4;
>
> + if (tsmb_size == 0xFFFFFFFF) {
> + tsmb_size = AV_RB64(tsmb);
> + tsmb += 8;
> + }
> +
The spec says the magic size value is '1', and not '-1'.
> if (tsmb_type == MKBETAG('s','t','y','l')) {
> style_entries = AV_RB16(tsmb);
> tsmb += 2;
--phil
--phil
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