shithub: libvpx

--- a/examples/vp8_multi_resolution_encoder.c

+++ b/examples/vp8_multi_resolution_encoder.c

@@ -347,8 +347,7 @@

     double               psnr_totals[NUM_ENCODERS][4] = {{0,0}};

     int                  psnr_count[NUM_ENCODERS] = {0};

-    double               cx_time = 0;

-    struct  timeval      tv1, tv2, difftv;

+    int64_t              cx_time = 0;

     /* Set the required target bitrates for each resolution level.

      * If target bitrate for highest-resolution level is set to 0,

@@ -582,6 +581,7 @@

     while(frame_avail || got_data)

+        struct vpx_usec_timer timer;

         vpx_codec_iter_t iter[NUM_ENCODERS]={NULL};

         const vpx_codec_cx_pkt_t *pkt[NUM_ENCODERS];

@@ -636,18 +636,18 @@

             vpx_codec_control(&codec[i], VP8E_SET_TEMPORAL_LAYER_ID, layer_id);

-        gettimeofday(&tv1, NULL);

         /* Encode each frame at multi-levels */

         /* Note the flags must be set to 0 in the encode call if they are set

            for each frame with the vpx_codec_control(), as done above. */

+        vpx_usec_timer_start(&timer);

         if(vpx_codec_encode(&codec[0], frame_avail? &raw[0] : NULL,

             frame_cnt, 1, 0, arg_deadline))

             die_codec(&codec[0], "Failed to encode frame");

-        gettimeofday(&tv2, NULL);

-        timersub(&tv2, &tv1, &difftv);

-        cx_time += (double)(difftv.tv_sec * 1000000 + difftv.tv_usec);

+        vpx_usec_timer_mark(&timer);

+        cx_time += vpx_usec_timer_elapsed(&timer);

         for (i=NUM_ENCODERS-1; i>=0 ; i--)

             got_data = 0;

@@ -686,8 +686,10 @@

         frame_cnt++;

     printf("\n");

-    printf("FPS for encoding %d %f %f \n", frame_cnt, (float)cx_time / 1000000,

-           1000000 * (double)frame_cnt / (double)cx_time);

+    printf("Frame cnt and encoding time/FPS stats for encoding: %d %f %f \n",

+            frame_cnt,

+            1000 * (float)cx_time / (double)(frame_cnt * 1000000),

+            1000000 * (double)frame_cnt / (double)cx_time);

     fclose(infile);