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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35 safe_ptr<ogl_device> ogl_;
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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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43 implementation(int32_t tag, const core::pixel_format_desc& desc, const std::vector<safe_ptr<host_buffer>>& buffers, const std::vector<safe_ptr<device_buffer>>& textures, const safe_ptr<ogl_device> ogl)
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46 , textures_(textures)
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51 void accept(write_frame& self, core::frame_visitor& visitor)
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53 visitor.begin(self);
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54 visitor.visit(self);
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58 boost::iterator_range<uint8_t*> image_data(size_t index)
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60 if(index >= buffers_.size() || !buffers_[index]->data())
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61 return boost::iterator_range<const uint8_t*>();
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62 auto ptr = static_cast<uint8_t*>(buffers_[index]->data());
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63 return boost::iterator_range<uint8_t*>(ptr, ptr+buffers_[index]->size());
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66 const boost::iterator_range<const uint8_t*> image_data(size_t index) const
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68 if(index >= buffers_.size() || !buffers_[index]->data())
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69 return boost::iterator_range<const uint8_t*>();
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70 auto ptr = static_cast<const uint8_t*>(buffers_[index]->data());
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71 return boost::iterator_range<const uint8_t*>(ptr, ptr+buffers_[index]->size());
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76 for(size_t n = 0; n < buffers_.size(); ++n)
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80 void commit(size_t plane_index)
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82 if(plane_index >= buffers_.size())
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85 auto texture = textures_[plane_index];
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86 auto buffer = std::move(buffers_[plane_index]); // Release buffer once done.
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88 ogl_->begin_invoke([=]
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90 texture->read(*buffer);
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95 write_frame::write_frame(int32_t tag, const core::pixel_format_desc& desc, const std::vector<safe_ptr<host_buffer>>& buffers, const std::vector<safe_ptr<device_buffer>>& textures, const safe_ptr<ogl_device>& ogl)
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96 : impl_(new implementation(tag, desc, buffers, textures, ogl)){}
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97 void write_frame::accept(core::frame_visitor& visitor){impl_->accept(*this, visitor);}
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99 boost::iterator_range<uint8_t*> write_frame::image_data(size_t index){return impl_->image_data(index);}
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100 std::vector<int16_t>& write_frame::audio_data() { return impl_->audio_data_; }
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101 const boost::iterator_range<const uint8_t*> write_frame::image_data(size_t index) const
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103 return boost::iterator_range<const uint8_t*>(impl_->image_data(index).begin(), impl_->image_data(index).end());
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105 const boost::iterator_range<const int16_t*> write_frame::audio_data() const
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107 return boost::iterator_range<const int16_t*>(impl_->audio_data_.data(), impl_->audio_data_.data() + impl_->audio_data_.size());
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109 int32_t write_frame::tag() const {return impl_->tag_;}
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110 const core::pixel_format_desc& write_frame::get_pixel_format_desc() const{return impl_->desc_;}
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111 const std::vector<safe_ptr<device_buffer>>& write_frame::get_textures() const{return impl_->textures_;}
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112 const std::vector<safe_ptr<host_buffer>>& write_frame::get_buffers() const{return impl_->buffers_;}
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113 void write_frame::commit(size_t plane_index){impl_->commit(plane_index);}
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114 void write_frame::commit(){impl_->commit();}
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