On Fri, Jul 22, 2016 at 05:19:14PM -0700, kod...@gmail.com wrote:
> From: Chris Moeller <kod...@gmail.com>
>
> ---
> libavformat/mp3dec.c | 64
> +++++++++++++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 63 insertions(+), 1 deletion(-)
>
> diff --git a/libavformat/mp3dec.c b/libavformat/mp3dec.c
> index 56c7f8c..3055e2c 100644
> --- a/libavformat/mp3dec.c
> +++ b/libavformat/mp3dec.c
> @@ -295,6 +295,53 @@ static void mp3_parse_vbri_tag(AVFormatContext *s,
> AVStream *st, int64_t base)
> }
> }
>
> +static void mp3_parse_itunes_tag(AVFormatContext *s, AVStream *st,
> MPADecodeHeader *c, int64_t base, int vbrtag_size, unsigned int *size,
> uint64_t *duration)
> +{
> + uint32_t v;
> + AVDictionaryEntry *de;
> + MP3DecContext *mp3 = s->priv_data;
> + size_t length;
> + uint32_t zero, start_pad, end_pad;
> + uint64_t last_eight_frames_offset;
> + int i;
> +
> + if (!s->metadata || !(de = av_dict_get(s->metadata, "iTunSMPB", NULL,
> 0)))
> + return;
> +
> + length = strlen(de->value);
> +
> + /* Minimum length is one digit per field plus the whitespace, maximum
> length should depend on field type
> + * There are four fields we need in the first six, the rest are
> currently zero padding */
> + if (length < (12 + 11) || length > (10 * 8 + 2 * 16 + 11))
> + return;
> +
> + if (sscanf(de->value, "%x %x %x %llx %x %llx", &zero, &start_pad,
> &end_pad, duration, &zero, &last_eight_frames_offset) < 6) {
%llx mismatches the type
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Avoid a single point of failure, be that a person or equipment.
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