shithub: libvpx

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vp9 svc: Enable different speed setting for each spatial layer.

This change only affects 1 pass cbr svc mode.

Change-Id: If0da87bb200f7e7762755340c40c8157cc7a16ca

--- a/test/datarate_test.cc

+++ b/test/datarate_test.cc

@@ -795,7 +795,9 @@

 class DatarateOnePassCbrSvc : public ::libvpx_test::EncoderTest,

     public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {

  public:

-  DatarateOnePassCbrSvc() : EncoderTest(GET_PARAM(0)) {}

+  DatarateOnePassCbrSvc() : EncoderTest(GET_PARAM(0)) {

+    memset(&svc_params_, 0, sizeof(svc_params_));

+  }

   virtual ~DatarateOnePassCbrSvc() {}

  protected:

   virtual void SetUp() {

@@ -823,6 +825,10 @@

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

         svc_params_.max_quantizers[i] = 63;

         svc_params_.min_quantizers[i] = 0;

+      }

+      svc_params_.speed_per_layer[0] = 5;

+      for (i = 1; i < VPX_SS_MAX_LAYERS; ++i) {

+        svc_params_.speed_per_layer[i] = 7;

       }

       encoder->Control(VP9E_SET_SVC, 1);

       encoder->Control(VP9E_SET_SVC_PARAMETERS, &svc_params_);

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

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

@@ -135,7 +135,7 @@

         CHECK_MEM_ERROR(cm, lc->consec_zero_mv,

                         vpx_malloc(consec_zero_mv_size));

         memset(lc->consec_zero_mv, 0, consec_zero_mv_size);

-       }

+      }

     }

   }

@@ -293,6 +293,11 @@

   cpi->twopass = lc->twopass;

   cpi->oxcf.target_bandwidth = lc->target_bandwidth;

   cpi->alt_ref_source = lc->alt_ref_source;

+  // Check if it is one_pass_cbr_svc mode and lc->speed > 0 (real-time mode

+  // does not use speed = 0).

+  if (is_one_pass_cbr_svc(cpi) && lc->speed > 0) {

+    cpi->oxcf.speed = lc->speed;

+  }

   // Reset the frames_since_key and frames_to_key counters to their values

   // before the layer restore. Keep these defined for the stream (not layer).

   if (cpi->svc.number_temporal_layers > 1 ||

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

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

@@ -46,6 +46,7 @@

   signed char *map;

   uint8_t *last_coded_q_map;

   uint8_t *consec_zero_mv;

+  uint8_t speed;

 } LAYER_CONTEXT;

 typedef struct {

--- a/vp9/vp9_cx_iface.c

+++ b/vp9/vp9_cx_iface.c

@@ -1437,6 +1437,7 @@

       lc->min_q = params->min_quantizers[layer];

       lc->scaling_factor_num = params->scaling_factor_num[sl];

       lc->scaling_factor_den = params->scaling_factor_den[sl];

+      lc->speed = params->speed_per_layer[sl];

     }

   }

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

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

@@ -410,7 +410,9 @@

   for (sl = 0; sl < VPX_SS_MAX_LAYERS; ++sl) {

     si->svc_params.scaling_factor_num[sl] = DEFAULT_SCALE_FACTORS_NUM[sl];

     si->svc_params.scaling_factor_den[sl] = DEFAULT_SCALE_FACTORS_DEN[sl];

+    si->svc_params.speed_per_layer[sl] = svc_ctx->speed;

   }

+

   for (tl = 0; tl < svc_ctx->temporal_layers; ++tl) {

     for (sl = 0; sl < svc_ctx->spatial_layers; ++sl) {

       i = sl * svc_ctx->temporal_layers + tl;

--- a/vpx/vpx_encoder.h

+++ b/vpx/vpx_encoder.h

@@ -715,6 +715,7 @@

   int min_quantizers[VPX_MAX_LAYERS];     /**< Min Q for each layer */

   int scaling_factor_num[VPX_MAX_LAYERS]; /**< Scaling factor-numerator */

   int scaling_factor_den[VPX_MAX_LAYERS]; /**< Scaling factor-denominator */

+  int speed_per_layer[VPX_MAX_LAYERS];    /**< Speed setting for each sl */

   int temporal_layering_mode;             /**< Temporal layering mode */

 } vpx_svc_extra_cfg_t;