@@ -151,7 +151,7 @@ static const struct algo idct_tab[] = {

 #define AANSCALE_BITS 12

-uint8_t cropTbl[256 + 2 * MAX_NEG_CROP];

+static uint8_t cropTbl[256 + 2 * MAX_NEG_CROP];

 static int64_t gettime(void)

 {

@@ -38,8 +38,8 @@

 #define WIDTH 64

 #define HEIGHT 64

-uint8_t img1[WIDTH * HEIGHT];

-uint8_t img2[WIDTH * HEIGHT];

+static uint8_t img1[WIDTH * HEIGHT];

+static uint8_t img2[WIDTH * HEIGHT];

 static void fill_random(uint8_t *tab, int size)

 {

@@ -51,11 +51,11 @@ static int sws_flags = SWS_BICUBIC;

 /**************************************************************/

 /* audio output */

-float t, tincr, tincr2;

-int16_t *samples;

-uint8_t *audio_outbuf;

-int audio_outbuf_size;

-int audio_input_frame_size;

+static float t, tincr, tincr2;

+static int16_t *samples;

+static uint8_t *audio_outbuf;

+static int audio_outbuf_size;

+static int audio_input_frame_size;

 /*

  * add an audio output stream

@@ -190,9 +190,9 @@ static void close_audio(AVFormatContext *oc, AVStream *st)

 /**************************************************************/

 /* video output */

-AVFrame *picture, *tmp_picture;

-uint8_t *video_outbuf;

-int frame_count, video_outbuf_size;

+static AVFrame *picture, *tmp_picture;

+static uint8_t *video_outbuf;

+static int frame_count, video_outbuf_size;

 /* add a video output stream */

 static AVStream *add_video_stream(AVFormatContext *oc, enum CodecID codec_id)

@@ -60,7 +60,9 @@ unsigned long av_adler32_update(unsigned long adler, const uint8_t * buf,

 #include "log.h"

 #include "timer.h"

 #define LEN 7001

-volatile int checksum;

+

+static volatile int checksum;

+

 int main(int argc, char **argv)

 {

     int i;