ffmpeg: use the correct variables in do_video_stats()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ffmpeg.c

@@ -958,14 +958,14 @@ static void do_video_stats(OutputStream *ost, int frame_size)
 
     enc = ost->st->codec;
     if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
-        frame_number = ost->frame_number;
+        frame_number = ost->st->nb_frames;
         fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
         if (enc->flags&CODEC_FLAG_PSNR)
             fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
 
         fprintf(vstats_file,"f_size= %6d ", frame_size);
         /* compute pts value */
-        ti1 = ost->sync_opts * av_q2d(enc->time_base);
+        ti1 = ost->st->pts.val * av_q2d(enc->time_base);
         if (ti1 < 0.01)
             ti1 = 0.01;
 
@@ -1304,8 +1304,6 @@ static void flush_encoders(void)
                 if (pkt.duration > 0)
                     pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
                 write_frame(os, &pkt, ost);
-                ost->frame_number ++;
-                ost->sync_opts ++;
                 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
                   do_video_stats(ost, pkt.size);
                 }