shithub: libvpx

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vp9 svc: clean up first_spatial_layer_to_encode.

Change-Id: I3c9aefd3ea5028797b9105d7e49b1cb2f762a9fc

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

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

@@ -5345,8 +5345,8 @@

       cm->intra_only = 0;

       // if the flags indicate intra frame, but if the current picture is for

       // non-zero spatial layer, it should not be an intra picture.

-      if ((source->flags & VPX_EFLAG_FORCE_KF) &&

-          cpi->svc.spatial_layer_id > cpi->svc.first_spatial_layer_to_encode) {

+      if ((source->flags & VPX_EFLAG_FORCE_KF) && cpi->use_svc &&

+          cpi->svc.spatial_layer_id > 0) {

         source->flags &= ~(unsigned int)(VPX_EFLAG_FORCE_KF);

       }

--- a/vp9/encoder/vp9_ratectrl.c

+++ b/vp9/encoder/vp9_ratectrl.c

@@ -1863,12 +1863,10 @@

     cm->frame_type = INTER_FRAME;

     if (is_one_pass_cbr_svc(cpi)) {

       LAYER_CONTEXT *lc = &svc->layer_context[layer];

-      if (svc->spatial_layer_id == svc->first_spatial_layer_to_encode) {

-        lc->is_key_frame = 0;

-      } else {

-        lc->is_key_frame =

-            svc->layer_context[svc->temporal_layer_id].is_key_frame;

-      }

+      lc->is_key_frame =

+          svc->spatial_layer_id == 0

+              ? 0

+              : svc->layer_context[svc->temporal_layer_id].is_key_frame;

       target = calc_pframe_target_size_one_pass_cbr(cpi);

     }

   }

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

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

@@ -29,7 +29,6 @@

   svc->spatial_layer_id = 0;

   svc->temporal_layer_id = 0;

-  svc->first_spatial_layer_to_encode = 0;

   svc->force_zero_mode_spatial_ref = 0;

   svc->use_base_mv = 0;

   svc->use_partition_reuse = 0;

--- a/vp9/encoder/vp9_svc_layercontext.h

+++ b/vp9/encoder/vp9_svc_layercontext.h

@@ -74,7 +74,6 @@

   int number_temporal_layers;

   int spatial_layer_to_encode;

-  int first_spatial_layer_to_encode;

   // Workaround for multiple frame contexts

   enum { ENCODED = 0, ENCODING, NEED_TO_ENCODE } encode_empty_frame_state;

--- a/vp9/vp9_cx_iface.c

+++ b/vp9/vp9_cx_iface.c

@@ -1438,7 +1438,6 @@

   VP9_COMP *const cpi = (VP9_COMP *)ctx->cpi;

   SVC *const svc = &cpi->svc;

-  svc->first_spatial_layer_to_encode = data->spatial_layer_id;

   svc->spatial_layer_to_encode = data->spatial_layer_id;

   svc->temporal_layer_id = data->temporal_layer_id;

   // Checks on valid layer_id input.

@@ -1446,10 +1445,7 @@

       svc->temporal_layer_id >= (int)ctx->cfg.ts_number_layers) {

     return VPX_CODEC_INVALID_PARAM;

   }

-  if (svc->first_spatial_layer_to_encode < 0 ||

-      svc->first_spatial_layer_to_encode >= (int)ctx->cfg.ss_number_layers) {

-    return VPX_CODEC_INVALID_PARAM;

-  }

+

   return VPX_CODEC_OK;

 }