2 * filter_movit_convert.cpp
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 <framework/mlt.h>
25 #include "filter_glsl_manager.h"
26 #include <movit/effect_chain.h>
27 #include <movit/util.h>
28 #include "mlt_movit_input.h"
29 #include <mlt++/MltProducer.h>
30 #include "mlt_flip_effect.h"
32 static void yuv422_to_yuv422p( uint8_t *yuv422, uint8_t *yuv422p, int width, int height )
35 uint8_t *U = Y + width * height;
36 uint8_t *V = U + width * height / 2;
37 int n = width * height / 2 + 1;
46 static int convert_on_cpu( mlt_frame frame, uint8_t **image, mlt_image_format *format, mlt_image_format output_format )
49 mlt_filter cpu_csc = (mlt_filter) mlt_properties_get_data( MLT_FRAME_PROPERTIES( frame ), "cpu_csc", NULL );
51 int (* save_fp )( mlt_frame self, uint8_t **image, mlt_image_format *input, mlt_image_format output )
52 = frame->convert_image;
53 frame->convert_image = NULL;
54 mlt_filter_process( cpu_csc, frame );
55 error = frame->convert_image( frame, image, format, output_format );
56 frame->convert_image = save_fp;
63 static void delete_chain( EffectChain* chain )
68 static void get_format_from_properties( mlt_properties properties, ImageFormat* image_format, YCbCrFormat* ycbcr_format )
70 switch ( mlt_properties_get_int( properties, "colorspace" ) ) {
72 ycbcr_format->luma_coefficients = YCBCR_REC_601;
76 ycbcr_format->luma_coefficients = YCBCR_REC_709;
80 switch ( mlt_properties_get_int( properties, "color_primaries" ) ) {
82 image_format->color_space = COLORSPACE_REC_601_625;
85 image_format->color_space = COLORSPACE_REC_601_525;
89 image_format->color_space = COLORSPACE_REC_709;
93 image_format->gamma_curve = GAMMA_REC_709;
95 if ( mlt_properties_get_int( properties, "force_full_luma" ) ) {
96 ycbcr_format->full_range = true;
98 ycbcr_format->full_range = ( mlt_properties_get_int( properties, "full_luma" ) == 1 );
101 // TODO: make new frame properties set by producers
102 ycbcr_format->cb_x_position = ycbcr_format->cr_x_position = 0.0f;
103 ycbcr_format->cb_y_position = ycbcr_format->cr_y_position = 0.5f;
106 static int convert_image( mlt_frame frame, uint8_t **image, mlt_image_format *format, mlt_image_format output_format )
109 if ( *format == output_format )
112 mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
114 mlt_log_debug( NULL, "filter_movit_convert: %s -> %s (%d)\n",
115 mlt_image_format_name( *format ), mlt_image_format_name( output_format ),
116 mlt_frame_get_position( frame ) );
118 // Use CPU if glsl not initialized or not supported.
119 GlslManager* glsl = GlslManager::get_instance();
120 if ( !glsl || !glsl->get_int("glsl_supported" ) )
121 return convert_on_cpu( frame, image, format, output_format );
123 // Do non-GL image conversions on a CPU-based image converter.
124 if ( *format != mlt_image_glsl && output_format != mlt_image_glsl && output_format != mlt_image_glsl_texture )
125 return convert_on_cpu( frame, image, format, output_format );
128 int width = mlt_properties_get_int( properties, "width" );
129 int height = mlt_properties_get_int( properties, "height" );
130 int img_size = mlt_image_format_size( *format, width, height, NULL );
131 mlt_producer producer = mlt_producer_cut_parent( mlt_frame_get_original_producer( frame ) );
132 mlt_service service = MLT_PRODUCER_SERVICE(producer);
133 GlslManager::get_instance()->lock_service( frame );
134 EffectChain* chain = GlslManager::get_chain( service );
135 MltInput* input = GlslManager::get_input( service );
137 if ( !chain || !input ) {
138 GlslManager::get_instance()->unlock_service( frame );
142 if ( *format != mlt_image_glsl ) {
143 bool finalize_chain = false;
144 if ( output_format == mlt_image_glsl_texture ) {
145 // We might already have a texture from a previous conversion from mlt_image_glsl.
146 glsl_texture texture = (glsl_texture) mlt_properties_get_data( properties, "movit.convert.texture", NULL );
147 // XXX: requires a special property set on the frame by the app for now
148 // because we do not have reliable way to clear the texture property
149 // when a downstream filter has changed image.
150 if ( texture && mlt_properties_get_int( properties, "movit.convert.use_texture") ) {
151 *image = (uint8_t*) &texture->texture;
152 mlt_frame_set_image( frame, *image, 0, NULL );
153 mlt_properties_set_int( properties, "format", output_format );
154 *format = output_format;
155 GlslManager::get_instance()->unlock_service( frame );
158 // Use a separate chain to convert image in RAM to OpenGL texture.
159 // Use cached chain if available and compatible.
160 Mlt::Producer producer( mlt_producer_cut_parent( mlt_frame_get_original_producer( frame ) ) );
161 chain = (EffectChain*) producer.get_data( "movit.convert.chain" );
162 input = (MltInput*) producer.get_data( "movit.convert.input" );
163 int w = producer.get_int( "movit.convert.width" );
164 int h = producer.get_int( "movit.convert.height" );
165 mlt_image_format f = (mlt_image_format) producer.get_int( "movit.convert.format" );
166 if ( !chain || width != w || height != h || output_format != f ) {
167 chain = new EffectChain( width, height );
168 input = new MltInput( width, height );
169 chain->add_input( input );
170 chain->add_effect( new Mlt::VerticalFlip() );
171 finalize_chain = true;
172 producer.set( "movit.convert.chain", chain, 0, (mlt_destructor) delete_chain );
173 producer.set( "movit.convert.input", input, 0 );
174 producer.set( "movit.convert.width", width );
175 producer.set( "movit.convert.height", height );
176 producer.set( "movit.convert.format", output_format );
180 if ( *format == mlt_image_rgb24a || *format == mlt_image_opengl ) {
181 // TODO: Get the color space if available.
182 input->useFlatInput( chain, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, width, height );
183 input->set_pixel_data( *image );
185 else if ( *format == mlt_image_rgb24 ) {
186 // TODO: Get the color space if available.
187 input->useFlatInput( chain, FORMAT_RGB, width, height );
188 input->set_pixel_data( *image );
190 else if ( *format == mlt_image_yuv420p ) {
191 ImageFormat image_format;
192 YCbCrFormat ycbcr_format;
193 get_format_from_properties( properties, &image_format, &ycbcr_format );
194 ycbcr_format.chroma_subsampling_x = ycbcr_format.chroma_subsampling_y = 2;
195 input->useYCbCrInput( chain, image_format, ycbcr_format, width, height );
196 input->set_pixel_data( *image );
198 else if ( *format == mlt_image_yuv422 ) {
199 ImageFormat image_format;
200 YCbCrFormat ycbcr_format;
201 get_format_from_properties( properties, &image_format, &ycbcr_format );
202 ycbcr_format.chroma_subsampling_x = 2;
203 ycbcr_format.chroma_subsampling_y = 1;
204 input->useYCbCrInput( chain, image_format, ycbcr_format, width, height );
206 // convert chunky to planar
207 uint8_t* planar = (uint8_t*) mlt_pool_alloc( img_size );
208 yuv422_to_yuv422p( *image, planar, width, height );
209 input->set_pixel_data( planar );
210 mlt_frame_set_image( frame, planar, img_size, mlt_pool_release );
212 // Finalize the separate conversion chain if needed.
213 if ( finalize_chain )
217 if ( output_format != mlt_image_glsl ) {
219 if ( output_format == mlt_image_glsl_texture ) {
220 error = glsl->render_frame_texture( service, frame, width, height, image );
223 error = glsl->render_frame_rgba( service, frame, width, height, image );
224 if ( !error && output_format != mlt_image_rgb24a ) {
225 *format = mlt_image_rgb24a;
226 error = convert_on_cpu( frame, image, format, output_format );
229 mlt_properties_set_int( properties, "format", output_format );
230 *format = output_format;
233 mlt_properties_set_int( properties, "format", output_format );
234 *format = output_format;
236 GlslManager::get_instance()->unlock_service( frame );
241 static mlt_frame process( mlt_filter filter, mlt_frame frame )
243 // Set a default colorspace on the frame if not yet set by the producer.
244 // The producer may still change it during get_image.
245 // This way we do not have to modify each producer to set a valid colorspace.
246 mlt_properties properties = MLT_FRAME_PROPERTIES(frame);
247 if ( mlt_properties_get_int( properties, "colorspace" ) <= 0 )
248 mlt_properties_set_int( properties, "colorspace", mlt_service_profile( MLT_FILTER_SERVICE(filter) )->colorspace );
250 frame->convert_image = convert_image;
252 mlt_filter cpu_csc = (mlt_filter) mlt_properties_get_data( MLT_FILTER_PROPERTIES( filter ), "cpu_csc", NULL );
253 mlt_properties_inc_ref( MLT_FILTER_PROPERTIES(cpu_csc) );
254 mlt_properties_set_data( properties, "cpu_csc", cpu_csc, 0,
255 (mlt_destructor) mlt_filter_close, NULL );
260 static mlt_filter create_filter( mlt_profile profile, const char *effect )
263 char *id = strdup( effect );
264 char *arg = strchr( id, ':' );
268 // The swscale and avcolor_space filters require resolution as arg to test compatibility
269 if ( !strcmp( effect, "avcolor_space" ) )
270 filter = mlt_factory_filter( profile, id, &profile->width );
272 filter = mlt_factory_filter( profile, id, arg );
274 mlt_properties_set_int( MLT_FILTER_PROPERTIES( filter ), "_loader", 1 );
281 mlt_filter filter_movit_convert_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
283 mlt_filter filter = NULL;
284 GlslManager* glsl = GlslManager::get_instance();
286 if ( glsl && ( filter = mlt_filter_new() ) )
289 // XXX avcolor_space is crashing on Windows in this context!
290 mlt_filter cpu_csc = NULL;
292 mlt_filter cpu_csc = create_filter( profile, "avcolor_space" );
295 cpu_csc = create_filter( profile, "imageconvert" );
297 mlt_properties_set_data( MLT_FILTER_PROPERTIES( filter ), "cpu_csc", cpu_csc, 0,
298 (mlt_destructor) mlt_filter_close, NULL );
299 filter->process = process;