shithub: libvpx

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Converting target_bandwidth to Bit/s at very beginning.

Change-Id: I1d8c9fe4228e2f1ef67a66883694842a9545e7b9

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

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

@@ -632,9 +632,6 @@

     cpi->oxcf.maximum_buffer_size     = 240000;

   }

-  // Convert target bandwidth from Kbit/s to Bit/s

-  cpi->oxcf.target_bandwidth       *= 1000;

-

   cpi->oxcf.starting_buffer_level =

       vp9_rescale(cpi->oxcf.starting_buffer_level,

                   cpi->oxcf.target_bandwidth, 1000);

--- a/vp9/encoder/vp9_svc_layercontext.c

+++ b/vp9/encoder/vp9_svc_layercontext.c

@@ -46,10 +46,10 @@

     lrc->key_frame_rate_correction_factor = 1.0;

     if (svc->number_temporal_layers > 1) {

-      lc->target_bandwidth = oxcf->ts_target_bitrate[layer] * 1000;

+      lc->target_bandwidth = oxcf->ts_target_bitrate[layer];

       lrc->last_q[INTER_FRAME] = oxcf->worst_allowed_q;

     } else {

-      lc->target_bandwidth = oxcf->ss_target_bitrate[layer] * 1000;

+      lc->target_bandwidth = oxcf->ss_target_bitrate[layer];

       lrc->last_q[0] = oxcf->best_allowed_q;

       lrc->last_q[1] = oxcf->best_allowed_q;

       lrc->last_q[2] = oxcf->best_allowed_q;

@@ -82,9 +82,9 @@

     RATE_CONTROL *const lrc = &lc->rc;

     if (svc->number_temporal_layers > 1) {

-      lc->target_bandwidth = oxcf->ts_target_bitrate[layer] * 1000;

+      lc->target_bandwidth = oxcf->ts_target_bitrate[layer];

     } else {

-      lc->target_bandwidth = oxcf->ss_target_bitrate[layer] * 1000;

+      lc->target_bandwidth = oxcf->ss_target_bitrate[layer];

     }

     bitrate_alloc = (float)lc->target_bandwidth / target_bandwidth;

     // Update buffer-related quantities.

@@ -132,8 +132,7 @@

   } else {

     const double prev_layer_framerate =

         oxcf->framerate / oxcf->ts_rate_decimator[layer - 1];

-    const int prev_layer_target_bandwidth =

-        oxcf->ts_target_bitrate[layer - 1] * 1000;

+    const int prev_layer_target_bandwidth = oxcf->ts_target_bitrate[layer - 1];

     lc->avg_frame_size =

         (int)((lc->target_bandwidth - prev_layer_target_bandwidth) /

               (lc->framerate - prev_layer_framerate));

--- a/vp9/vp9_cx_iface.c

+++ b/vp9/vp9_cx_iface.c

@@ -327,7 +327,8 @@

   else if (cfg->rc_end_usage == VPX_CBR)

     oxcf->rc_mode = RC_MODE_CBR;

-  oxcf->target_bandwidth         = cfg->rc_target_bitrate;

+  // Convert target bandwidth from Kbit/s to Bit/s

+  oxcf->target_bandwidth = 1000 * cfg->rc_target_bitrate;

   oxcf->rc_max_intra_bitrate_pct = extra_cfg->rc_max_intra_bitrate_pct;

   oxcf->best_allowed_q  = vp9_quantizer_to_qindex(cfg->rc_min_quantizer);

@@ -387,7 +388,9 @@

   oxcf->ss_number_layers = cfg->ss_number_layers;

   if (oxcf->ss_number_layers > 1) {

-    vp9_copy(oxcf->ss_target_bitrate, cfg->ss_target_bitrate);

+    int i;

+    for (i = 0; i < VPX_SS_MAX_LAYERS; ++i)

+      oxcf->ss_target_bitrate[i] =  1000 * cfg->ss_target_bitrate[i];

   } else if (oxcf->ss_number_layers == 1) {

     oxcf->ss_target_bitrate[0] = (int)oxcf->target_bandwidth;

   }

@@ -395,8 +398,11 @@

   oxcf->ts_number_layers = cfg->ts_number_layers;

   if (oxcf->ts_number_layers > 1) {

-    vp9_copy(oxcf->ts_target_bitrate, cfg->ts_target_bitrate);

-    vp9_copy(oxcf->ts_rate_decimator, cfg->ts_rate_decimator);

+    int i;

+    for (i = 0; i < VPX_TS_MAX_LAYERS; ++i) {

+      oxcf->ts_target_bitrate[i] = 1000 * cfg->ts_target_bitrate[i];

+      oxcf->ts_rate_decimator[i] = cfg->ts_rate_decimator[i];

+    }

   } else if (oxcf->ts_number_layers == 1) {

     oxcf->ts_target_bitrate[0] = (int)oxcf->target_bandwidth;

     oxcf->ts_rate_decimator[0] = 1;

-- 

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