3 * Copyright (C) 2013 Dan Dennedy <dan@dennedy.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software Foundation,
17 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 #include "mlt_movit_input.h"
21 #include "fbo_input.h"
23 MltInput::MltInput(unsigned width, unsigned height)
26 , output_linear_gamma(false)
27 , needs_mipmaps(false)
31 register_int("output_linear_gamma", &output_linear_gamma);
32 register_int("needs_mipmaps", &needs_mipmaps);
37 // XXX: this is crashing when a producer is closed
38 // on Windows when using melt with qglsl.
42 std::string MltInput::output_fragment_shader()
45 return input->output_fragment_shader();
48 void MltInput::set_gl_state(GLuint glsl_program_num, const std::string& prefix, unsigned *sampler_num)
51 input->set_gl_state(glsl_program_num, prefix, sampler_num);
54 Effect::AlphaHandling MltInput::alpha_handling() const
57 return input->alpha_handling();
60 void MltInput::finalize()
63 bool ok = input->set_int("output_linear_gamma", output_linear_gamma);
64 ok |= input->set_int("needs_mipmaps", needs_mipmaps);
69 bool MltInput::can_output_linear_gamma() const
72 return input->can_output_linear_gamma();
75 Colorspace MltInput::get_color_space() const
78 return input->get_color_space();
80 GammaCurve MltInput::get_gamma_curve() const
83 return input->get_gamma_curve();
86 void MltInput::useFlatInput(EffectChain* chain, MovitPixelFormat pix_fmt, unsigned width, unsigned height)
91 ImageFormat image_format;
92 image_format.color_space = COLORSPACE_sRGB;
93 image_format.gamma_curve = GAMMA_sRGB;
94 input = new FlatInput(image_format, pix_fmt, GL_UNSIGNED_BYTE, width, height);
95 chain->add_output(image_format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED);
96 chain->set_dither_bits(8);
100 void MltInput::useYCbCrInput(EffectChain* chain, const ImageFormat& image_format, const YCbCrFormat& ycbcr_format, unsigned width, unsigned height)
105 input = new YCbCrInput(image_format, ycbcr_format, width, height);
106 ImageFormat output_format;
107 output_format.color_space = COLORSPACE_sRGB;
108 output_format.gamma_curve = GAMMA_sRGB;
109 chain->add_output(output_format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED);
110 chain->set_dither_bits(8);
112 m_ycbcr_format = ycbcr_format;
116 void MltInput::useFBOInput(EffectChain *chain, GLuint texture)
119 FBOInput* fboInput = new FBOInput(m_width, m_height);
121 fboInput->set_texture(texture);
125 void MltInput::set_pixel_data(const unsigned char* data)
129 FlatInput* flat = (FlatInput*) input;
130 flat->set_pixel_data(data);
132 YCbCrInput* ycbcr = (YCbCrInput*) input;
133 ycbcr->set_pixel_data(0, data);
134 ycbcr->set_pixel_data(1, &data[m_width * m_height]);
135 ycbcr->set_pixel_data(2, &data[m_width * m_height + (m_width / m_ycbcr_format.chroma_subsampling_x * m_height / m_ycbcr_format.chroma_subsampling_y)]);