ffmpeg: move do_video_stats() above do_video_out().

This avoid a forward declaration.

ffmpeg.c

@@ -1444,7 +1444,48 @@ static void do_video_resample(OutputStream *ost,
 #endif
 }
 
-static void do_video_stats(AVFormatContext *os, OutputStream *ost, int frame_size);
+static double psnr(double d)
+{
+    return -10.0 * log(d) / log(10.0);
+}
+
+static void do_video_stats(AVFormatContext *os, OutputStream *ost,
+                           int frame_size)
+{
+    AVCodecContext *enc;
+    int frame_number;
+    double ti1, bitrate, avg_bitrate;
+
+    /* this is executed just the first time do_video_stats is called */
+    if (!vstats_file) {
+        vstats_file = fopen(vstats_filename, "w");
+        if (!vstats_file) {
+            perror("fopen");
+            exit_program(1);
+        }
+    }
+
+    enc = ost->st->codec;
+    if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
+        frame_number = ost->frame_number;
+        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);
+        if (ti1 < 0.01)
+            ti1 = 0.01;
+
+        bitrate     = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
+        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
+        fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
+               (double)video_size / 1024, ti1, bitrate, avg_bitrate);
+        fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
+    }
+}
+
 
 static void do_video_out(AVFormatContext *s,
                          OutputStream *ost,
@@ -1592,48 +1633,6 @@ static void do_video_out(AVFormatContext *s,
         do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
 }
 
-static double psnr(double d)
-{
-    return -10.0 * log(d) / log(10.0);
-}
-
-static void do_video_stats(AVFormatContext *os, OutputStream *ost,
-                           int frame_size)
-{
-    AVCodecContext *enc;
-    int frame_number;
-    double ti1, bitrate, avg_bitrate;
-
-    /* this is executed just the first time do_video_stats is called */
-    if (!vstats_file) {
-        vstats_file = fopen(vstats_filename, "w");
-        if (!vstats_file) {
-            perror("fopen");
-            exit_program(1);
-        }
-    }
-
-    enc = ost->st->codec;
-    if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
-        frame_number = ost->frame_number;
-        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);
-        if (ti1 < 0.01)
-            ti1 = 0.01;
-
-        bitrate     = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
-        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
-        fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
-               (double)video_size / 1024, ti1, bitrate, avg_bitrate);
-        fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
-    }
-}
-
 static void print_report(OutputFile *output_files,
                          OutputStream *ost_table, int nb_ostreams,
                          int is_last_report, int64_t timer_start, int64_t cur_time)