]> git.sesse.net Git - movit/blobdiff - resample_effect.cpp
Use double right angle brackets for nested templates everywhere, now that we have...
[movit] / resample_effect.cpp
index 86d574b32d6468f22688a7c894de6356f1895909..0a050cf4ae720352641042ac2dc81ad043decc36 100644 (file)
@@ -129,7 +129,7 @@ unsigned combine_samples(const Tap<float> *src, Tap<DestFloat> *dst, float num_s
 
        for (unsigned i = 0, j = 0; i < num_src_samples; ++i, ++j) {
                // Copy the sample directly; it will be overwritten later if we can combine.
-               if (dst != NULL) {
+               if (dst != nullptr) {
                        dst[j].weight = convert_float<float, DestFloat>(src[i].weight);
                        dst[j].pos = convert_float<float, DestFloat>(src[i].pos);
                }
@@ -169,7 +169,7 @@ unsigned combine_samples(const Tap<float> *src, Tap<DestFloat> *dst, float num_s
                }
 
                // OK, we can combine this and the next sample.
-               if (dst != NULL) {
+               if (dst != nullptr) {
                        dst[j].weight = total_weight;
                        dst[j].pos = pos;
                }
@@ -215,13 +215,13 @@ unsigned combine_many_samples(const Tap<float> *weights, unsigned src_size, unsi
 
        unsigned max_samples_saved = UINT_MAX;
        for (unsigned y = 0; y < dst_samples && max_samples_saved > 0; ++y) {
-               unsigned num_samples_saved = combine_samples<DestFloat>(weights + y * src_samples, NULL, num_subtexels, inv_num_subtexels, src_samples, max_samples_saved, pos1_pos2_diff, inv_pos1_pos2_diff);
+               unsigned num_samples_saved = combine_samples<DestFloat>(weights + y * src_samples, nullptr, num_subtexels, inv_num_subtexels, src_samples, max_samples_saved, pos1_pos2_diff, inv_pos1_pos2_diff);
                max_samples_saved = min(max_samples_saved, num_samples_saved);
        }
 
        // Now that we know the right width, actually combine the samples.
        unsigned src_bilinear_samples = src_samples - max_samples_saved;
-       if (*bilinear_weights != NULL) delete[] *bilinear_weights;
+       if (*bilinear_weights != nullptr) delete[] *bilinear_weights;
        *bilinear_weights = new Tap<DestFloat>[dst_samples * src_bilinear_samples];
        for (unsigned y = 0; y < dst_samples; ++y) {
                Tap<DestFloat> *bilinear_weights_ptr = *bilinear_weights + y * src_bilinear_samples;
@@ -301,7 +301,8 @@ double compute_sum_sq_error(const Tap<float>* weights, unsigned num_weights,
 }  // namespace
 
 ResampleEffect::ResampleEffect()
-       : input_width(1280),
+       : owns_effects(true),
+         input_width(1280),
          input_height(720),
          offset_x(0.0f), offset_y(0.0f),
          zoom_x(1.0f), zoom_y(1.0f),
@@ -313,12 +314,20 @@ ResampleEffect::ResampleEffect()
        // The first blur pass will forward resolution information to us.
        hpass = new SingleResamplePassEffect(this);
        CHECK(hpass->set_int("direction", SingleResamplePassEffect::HORIZONTAL));
-       vpass = new SingleResamplePassEffect(NULL);
+       vpass = new SingleResamplePassEffect(nullptr);
        CHECK(vpass->set_int("direction", SingleResamplePassEffect::VERTICAL));
 
        update_size();
 }
 
+ResampleEffect::~ResampleEffect()
+{
+       if (owns_effects) {
+               delete hpass;
+               delete vpass;
+       }
+}
+
 void ResampleEffect::rewrite_graph(EffectChain *graph, Node *self)
 {
        Node *hpass_node = graph->add_node(hpass);
@@ -327,6 +336,7 @@ void ResampleEffect::rewrite_graph(EffectChain *graph, Node *self)
        graph->replace_receiver(self, hpass_node);
        graph->replace_sender(self, vpass_node);
        self->disabled = true;
+       owns_effects = false;
 } 
 
 // We get this information forwarded from the first blur pass,
@@ -527,8 +537,8 @@ void SingleResamplePassEffect::update_texture(GLuint glsl_program_num, const str
 
        GLenum type, internal_format;
        void *pixels;
-       assert((weights.bilinear_weights_fp16 == NULL) != (weights.bilinear_weights_fp32 == NULL));
-       if (weights.bilinear_weights_fp32 != NULL) {
+       assert((weights.bilinear_weights_fp16 == nullptr) != (weights.bilinear_weights_fp32 == NULL));
+       if (weights.bilinear_weights_fp32 != nullptr) {
                type = GL_FLOAT;
                internal_format = GL_RG32F;
                pixels = weights.bilinear_weights_fp32;
@@ -660,9 +670,9 @@ ScalingWeights calculate_scaling_weights(unsigned src_size, unsigned dst_size, f
        // Our tolerance level for total error is a bit higher than the one for invididual
        // samples, since one would assume overall errors in the shape don't matter as much.
        const float max_error = 2.0f / (255.0f * 255.0f);
-       Tap<fp16_int_t> *bilinear_weights_fp16 = NULL;
+       Tap<fp16_int_t> *bilinear_weights_fp16 = nullptr;
        int src_bilinear_samples = combine_many_samples(weights, src_size, src_samples, dst_samples, &bilinear_weights_fp16);
-       Tap<float> *bilinear_weights_fp32 = NULL;
+       Tap<float> *bilinear_weights_fp32 = nullptr;
        double max_sum_sq_error_fp16 = 0.0;
        for (unsigned y = 0; y < dst_samples; ++y) {
                double sum_sq_error_fp16 = compute_sum_sq_error(
@@ -677,7 +687,7 @@ ScalingWeights calculate_scaling_weights(unsigned src_size, unsigned dst_size, f
 
        if (max_sum_sq_error_fp16 > max_error) {
                delete[] bilinear_weights_fp16;
-               bilinear_weights_fp16 = NULL;
+               bilinear_weights_fp16 = nullptr;
                src_bilinear_samples = combine_many_samples(weights, src_size, src_samples, dst_samples, &bilinear_weights_fp32);
        }