2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>
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4 * This file is part of CasparCG.
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6 * CasparCG is free software: you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation, either version 3 of the License, or
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9 * (at your option) any later version.
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11 * CasparCG is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
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20 #include "../stdafx.h"
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22 #include "write_frame.h"
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24 #include "gpu/ogl_device.h"
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25 #include "gpu/host_buffer.h"
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26 #include "gpu/device_buffer.h"
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28 #include <core/producer/frame/frame_visitor.h>
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29 #include <core/producer/frame/pixel_format.h>
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31 namespace caspar { namespace core {
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33 struct write_frame::implementation : boost::noncopyable
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36 std::vector<safe_ptr<host_buffer>> buffers_;
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37 std::vector<safe_ptr<device_buffer>> textures_;
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38 std::vector<int16_t> audio_data_;
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39 const core::pixel_format_desc desc_;
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41 bool is_interlaced_;
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43 implementation(ogl_device& ogl, int tag, const core::pixel_format_desc& desc)
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47 , is_interlaced_(false)
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51 std::transform(desc.planes.begin(), desc.planes.end(), std::back_inserter(buffers_), [&](const core::pixel_format_desc::plane& plane)
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53 return ogl_.create_host_buffer(plane.size, host_buffer::write_only);
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55 std::transform(desc.planes.begin(), desc.planes.end(), std::back_inserter(textures_), [&](const core::pixel_format_desc::plane& plane)
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57 return ogl_.create_device_buffer(plane.width, plane.height, plane.channels);
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62 void accept(write_frame& self, core::frame_visitor& visitor)
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64 visitor.begin(self);
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65 visitor.visit(self);
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69 boost::iterator_range<uint8_t*> image_data(size_t index)
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71 if(index >= buffers_.size() || !buffers_[index]->data())
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72 return boost::iterator_range<const uint8_t*>();
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73 auto ptr = static_cast<uint8_t*>(buffers_[index]->data());
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74 return boost::iterator_range<uint8_t*>(ptr, ptr+buffers_[index]->size());
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77 const boost::iterator_range<const uint8_t*> image_data(size_t index) const
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79 if(index >= buffers_.size() || !buffers_[index]->data())
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80 return boost::iterator_range<const uint8_t*>();
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81 auto ptr = static_cast<const uint8_t*>(buffers_[index]->data());
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82 return boost::iterator_range<const uint8_t*>(ptr, ptr+buffers_[index]->size());
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87 for(size_t n = 0; n < buffers_.size(); ++n)
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91 void commit(size_t plane_index)
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93 if(plane_index >= buffers_.size())
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96 auto texture = textures_[plane_index];
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97 auto buffer = std::move(buffers_[plane_index]); // Release buffer once done.
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99 ogl_.begin_invoke([=]
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101 texture->read(*buffer);
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106 write_frame::write_frame(ogl_device& ogl, int32_t tag, const core::pixel_format_desc& desc)
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107 : impl_(new implementation(ogl, tag, desc)){}
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108 void write_frame::accept(core::frame_visitor& visitor){impl_->accept(*this, visitor);}
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110 boost::iterator_range<uint8_t*> write_frame::image_data(size_t index){return impl_->image_data(index);}
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111 std::vector<int16_t>& write_frame::audio_data() { return impl_->audio_data_; }
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112 const boost::iterator_range<const uint8_t*> write_frame::image_data(size_t index) const
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114 return boost::iterator_range<const uint8_t*>(impl_->image_data(index).begin(), impl_->image_data(index).end());
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116 const boost::iterator_range<const int16_t*> write_frame::audio_data() const
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118 return boost::iterator_range<const int16_t*>(impl_->audio_data_.data(), impl_->audio_data_.data() + impl_->audio_data_.size());
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120 int write_frame::tag() const {return impl_->tag_;}
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121 const core::pixel_format_desc& write_frame::get_pixel_format_desc() const{return impl_->desc_;}
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122 const std::vector<safe_ptr<device_buffer>>& write_frame::get_textures() const{return impl_->textures_;}
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123 void write_frame::commit(size_t plane_index){impl_->commit(plane_index);}
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124 void write_frame::commit(){impl_->commit();}
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125 void write_frame::set_is_interlaced(bool value){impl_->is_interlaced_ = true;}
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126 bool write_frame::get_is_interlaced() const{return impl_->is_interlaced_;}
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