return got_picture;
}
+static AVRational update_sar(int old_w, int old_h, AVRational sar, int new_w, int new_h)
+{
+ // attempt to keep aspect during typical resolution switches
+ if (!sar.num)
+ sar = (AVRational){1, 1};
+
+ sar = av_mul_q(sar, (AVRational){new_h * old_w, new_w * old_h});
+ return sar;
+}
+
int ff_rv34_decode_frame(AVCodecContext *avctx,
void *data, int *got_picture_ptr,
AVPacket *avpkt)
if (av_image_check_size(si.width, si.height, 0, s->avctx))
return AVERROR_INVALIDDATA;
+ s->avctx->sample_aspect_ratio = update_sar(
+ s->width, s->height, s->avctx->sample_aspect_ratio,
+ si.width, si.height);
s->width = si.width;
s->height = si.height;
avcodec_set_dimensions(s->avctx, s->width, s->height);