On Tue, Jun 16, 2015 at 05:28:15PM -0500, Rodger Combs wrote:
> ---
> libavformat/brstm.c | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/libavformat/brstm.c b/libavformat/brstm.c
> index 1eba943..8adffb8 100644
> --- a/libavformat/brstm.c
> +++ b/libavformat/brstm.c
> @@ -30,6 +30,7 @@ typedef struct BRSTMDemuxContext {
> uint32_t current_block;
> uint32_t samples_per_block;
> uint32_t last_block_used_bytes;
> + uint32_t data_start;
> uint8_t *table;
> uint8_t *adpc;
> int bfstm;
> @@ -298,6 +299,8 @@ static int read_header(AVFormatContext *s)
> }
> avio_skip(s->pb, start - avio_tell(s->pb));
>
> + b->data_start = avio_tell(s->pb);
> +
> if ((major != 1 || minor) && !b->bfstm)
> avpriv_request_sample(s, "Version %d.%d", major, minor);
>
> @@ -363,6 +366,18 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
> return ret;
> }
>
> +static int read_seek(AVFormatContext *s, int stream_index,
> + int64_t timestamp, int flags)
> +{
> + AVStream *st = s->streams[stream_index];
> + BRSTMDemuxContext *b = s->priv_data;
> + timestamp /= b->samples_per_block;> + avio_seek(s->pb, b->data_start + timestamp * b->block_size, SEEK_SET); the return code should be checked, the file could be smaller than the target the user wants to seek to [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Observe your enemies, for they first find out your faults. -- Antisthenes
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