shithub: libvpx

Info  •  Files  •  Log  •  Branches

SVC sample encoder: Change some settings/update.

Change settings for 1 pass CBR.
And only use SET_SVC control(s) if there is at least 1 layer (spatial or temporal).
This allows sample encoder to also work for 1 layer case.

Change-Id: I5b0a33c25afb2f24a3a8aa4ec8ade9afc87cd702

--- a/vpx/src/svc_encodeframe.c

+++ b/vpx/src/svc_encodeframe.c

@@ -477,10 +477,10 @@

   if (enc_cfg->rc_end_usage == VPX_CBR) {

     enc_cfg->rc_resize_allowed = 0;

     enc_cfg->rc_min_quantizer = 2;

-    enc_cfg->rc_max_quantizer = 63;

+    enc_cfg->rc_max_quantizer = 56;

     enc_cfg->rc_undershoot_pct = 50;

     enc_cfg->rc_overshoot_pct = 50;

-    enc_cfg->rc_buf_initial_sz = 20;

+    enc_cfg->rc_buf_initial_sz = 500;

     enc_cfg->rc_buf_optimal_sz = 600;

     enc_cfg->rc_buf_sz = 1000;

   }

@@ -494,10 +494,10 @@

     svc_log(svc_ctx, SVC_LOG_ERROR, "svc_enc_init error\n");

     return res;

   }

-

-  vpx_codec_control(codec_ctx, VP9E_SET_SVC, 1);

-  vpx_codec_control(codec_ctx, VP9E_SET_SVC_PARAMETERS, &si->svc_params);

-

+  if (svc_ctx->spatial_layers > 1 || svc_ctx->temporal_layers > 1) {

+    vpx_codec_control(codec_ctx, VP9E_SET_SVC, 1);

+    vpx_codec_control(codec_ctx, VP9E_SET_SVC_PARAMETERS, &si->svc_params);

+  }

   return VPX_CODEC_OK;

 }