shithub: libvpx

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Added a measure of rc drift.

Added actual and absolute rate miss values to the opsnr.stt
stats output line.

Changes to the borg graphing may be needed before merge.

Change-Id: I1e9d548ce445d29002f0c59ebfd3957a6f15e702

--- a/vp10/encoder/encoder.c

+++ b/vp10/encoder/encoder.c

@@ -1858,6 +1858,8 @@

       const double dr =

           (double)cpi->bytes * (double) 8 / (double)1000 / time_encoded;

       const double peak = (double)((1 << cpi->oxcf.input_bit_depth) - 1);

+      const double target_rate = (double)cpi->oxcf.target_bandwidth / 1000;

+      const double rate_err = ((100.0 * (dr - target_rate)) / target_rate);

       if (cpi->b_calculate_psnr) {

         const double total_psnr =

@@ -1909,8 +1911,9 @@

           SNPRINT2(results, "\t%7.3f", cpi->ssimg.worst);

         }

-        fprintf(f, "%s\t    Time\n", headings);

-        fprintf(f, "%s\t%8.0f\n", results, total_encode_time);

+        fprintf(f, "%s\t    Time  Rc-Err Abs Err\n", headings);

+        fprintf(f, "%s\t%8.0f %7.2f %7.2f\n", results,

+                total_encode_time, rate_err, fabs(rate_err));

       }

       fclose(f);

--- a/vp8/encoder/onyx_if.c

+++ b/vp8/encoder/onyx_if.c

@@ -2257,6 +2257,8 @@

             double total_encode_time = (cpi->time_receive_data +

                                             cpi->time_compress_data) / 1000.000;

             double dr = (double)cpi->bytes * 8.0 / 1000.0 / time_encoded;

+            const double target_rate = (double)cpi->oxcf.target_bandwidth / 1000;

+            const double rate_err = ((100.0 * (dr - target_rate)) / target_rate);

             if (cpi->b_calculate_psnr)

             {

@@ -2302,12 +2304,14 @@

                                                       cpi->summed_weights, 8.0);

                     fprintf(f, "Bitrate\tAVGPsnr\tGLBPsnr\tAVPsnrP\t"

-                               "GLPsnrP\tVPXSSIM\t  Time(us)\n");

+                               "GLPsnrP\tVPXSSIM\t  Time(us)  Rc-Err "

+                               "Abs Err\n");

                     fprintf(f, "%7.3f\t%7.3f\t%7.3f\t%7.3f\t%7.3f\t"

-                               "%7.3f\t%8.0f\n",

+                               "%7.3f\t%8.0f %7.2f %7.2f\n",

                                dr, cpi->total / cpi->count, total_psnr,

                                cpi->totalp / cpi->count, total_psnr2,

-                               total_ssim, total_encode_time);

+                               total_ssim, total_encode_time,

+                               rate_err, fabs(rate_err));

                 }

             }

--- a/vp9/encoder/vp9_encoder.c

+++ b/vp9/encoder/vp9_encoder.c

@@ -2024,6 +2024,8 @@

       const double dr =

           (double)cpi->bytes * (double) 8 / (double)1000 / time_encoded;

       const double peak = (double)((1 << cpi->oxcf.input_bit_depth) - 1);

+      const double target_rate = (double)cpi->oxcf.target_bandwidth / 1000;

+      const double rate_err = ((100.0 * (dr - target_rate)) / target_rate);

       if (cpi->b_calculate_psnr) {

         const double total_psnr =

@@ -2075,8 +2077,9 @@

           SNPRINT2(results, "\t%7.3f", cpi->ssimg.worst);

         }

-        fprintf(f, "%s\t    Time\n", headings);

-        fprintf(f, "%s\t%8.0f\n", results, total_encode_time);

+        fprintf(f, "%s\t    Time  Rc-Err Abs Err\n", headings);

+        fprintf(f, "%s\t%8.0f %7.2f %7.2f\n", results,

+                total_encode_time, rate_err, fabs(rate_err));

       }

       fclose(f);