Set empty images to all blank since uninitialized pixels cause problems with some renders
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@ -54,6 +54,7 @@ class satnogs_sstv_pd120_demod(gr.top_block):
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##################################################
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# Variables
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##################################################
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self.sstv_low_pass = sstv_low_pass = firdes.low_pass(1.0, 4*4160*4 , 1e3,2e3, firdes.WIN_HAMMING, 6.76)
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self.intermediate_samp_rate = intermediate_samp_rate = int(4*4160*4 / 5)
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self.audio_samp_rate = audio_samp_rate = 48000
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@ -198,7 +199,7 @@ class satnogs_sstv_pd120_demod(gr.top_block):
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firdes.WIN_HAMMING,
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6.76))
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self.hilbert_fc_0 = filter.hilbert_fc(65, firdes.WIN_HAMMING, 6.76)
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self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_ccc(5, [63], 1750, (4*4160*4 ))
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self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_ccc(5, sstv_low_pass, 1750, (4*4160*4 ))
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self.analog_wfm_rcv_0 = analog.wfm_rcv(
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quad_rate=4*4160*4,
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audio_decimation=1,
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@ -349,6 +350,13 @@ class satnogs_sstv_pd120_demod(gr.top_block):
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def set_waterfall_file_path(self, waterfall_file_path):
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self.waterfall_file_path = waterfall_file_path
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def get_sstv_low_pass(self):
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return self.sstv_low_pass
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def set_sstv_low_pass(self, sstv_low_pass):
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self.sstv_low_pass = sstv_low_pass
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self.freq_xlating_fir_filter_xxx_0_0.set_taps(self.sstv_low_pass)
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def get_intermediate_samp_rate(self):
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return self.intermediate_samp_rate
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@ -67,7 +67,9 @@ sstv_pd120_sink_impl::sstv_pd120_sink_impl(const char *filename_png)
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{
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set_history(sync_length);
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d_line = new float[line_length];
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d_image = png::image<png::rgb_pixel>(image_width, image_height);
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blank_image();
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}
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/*
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@ -179,6 +181,18 @@ sstv_pd120_sink_impl::render_line()
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d_image_y = 0;
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d_initial_sync = true;
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d_num_image++;
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blank_image();
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}
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}
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void
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sstv_pd120_sink_impl::blank_image()
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{
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std::cout << "Blanking Image" << std::endl;
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for (size_t y = 0; y < image_height; y++) {
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for (size_t x = 0; x < image_width; x++) {
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d_image.set_pixel(x, y, png::rgb_pixel(0, 0, 0));
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}
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}
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}
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@ -49,6 +49,7 @@ private:
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bool is_sync(size_t pos, const float *samples);
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void render_line();
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void blank_image();
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public:
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sstv_pd120_sink_impl(const char *filename_png);
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