On Tue, Jan 08, 2013 at 03:37:13PM +0100, Anton Khirnov wrote:
> ---
> libavcodec/interplayvideo.c | 137
> +++++++++++++++++++++----------------------
> 1 file changed, 68 insertions(+), 69 deletions(-)
>
> diff --git a/libavcodec/interplayvideo.c b/libavcodec/interplayvideo.c
> index 76e7d0f..57035fd 100644
> --- a/libavcodec/interplayvideo.c
> +++ b/libavcodec/interplayvideo.c
> @@ -51,9 +51,8 @@ typedef struct IpvideoContext {
>
> AVCodecContext *avctx;
> DSPContext dsp;
> - AVFrame second_last_frame;
> - AVFrame last_frame;
> - AVFrame current_frame;
> + AVFrame *second_last_frame;
> + AVFrame *last_frame;
> const unsigned char *decoding_map;
> int decoding_map_size;
>
> @@ -67,10 +66,10 @@ typedef struct IpvideoContext {
> uint32_t pal[256];
> } IpvideoContext;
>
> -static int copy_from(IpvideoContext *s, AVFrame *src, int delta_x, int
> delta_y)
> +static int copy_from(IpvideoContext *s, AVFrame *src, AVFrame *dst, int
> delta_x, int delta_y)
> {
> - int current_offset = s->pixel_ptr - s->current_frame.data[0];
> - int motion_offset = current_offset + delta_y *
> s->current_frame.linesize[0]
> + int current_offset = s->pixel_ptr - dst->data[0];
> + int motion_offset = current_offset + delta_y * dst->linesize[0]
> + delta_x * (1 + s->is_16bpp);
Diego looks at you disapprovingly.
> if (motion_offset < 0) {
> av_log(s->avctx, AV_LOG_ERROR, " Interplay video: motion offset < 0
> (%d)\n", motion_offset);
in general patch looks like it might be OK after all
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