#include <string.h>
#include <assert.h>
-#include "glsl_manager.h"
+#include "filter_glsl_manager.h"
#include <movit/init.h>
#include <movit/effect_chain.h>
#include <movit/util.h>
#include "mlt_movit_input.h"
#include "mlt_flip_effect.h"
+using namespace movit;
+
static int get_image( mlt_frame a_frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable )
{
- int error = 0;
+ int error;
// Get the b frame from the stack
mlt_frame b_frame = (mlt_frame) mlt_frame_pop_frame( a_frame );
// Get the transition object
mlt_transition transition = (mlt_transition) mlt_frame_pop_service( a_frame );
+ mlt_service service = MLT_TRANSITION_SERVICE( transition );
+ mlt_service_lock( service );
// Get the properties of the transition
mlt_properties properties = MLT_TRANSITION_PROPERTIES( transition );
- // Get the properties of the a frame
- mlt_properties a_props = MLT_FRAME_PROPERTIES( a_frame );
-
- // Get the movit objects
- mlt_service service = MLT_TRANSITION_SERVICE( transition );
- mlt_service_lock( service );
- EffectChain* chain = GlslManager::get_chain( service );
- Effect* effect = (Effect*) mlt_properties_get_data( properties, "movit effect", NULL );
- MltInput* a_input = GlslManager::get_input( service );
- MltInput* b_input = (MltInput*) mlt_properties_get_data( properties, "movit input B", NULL );
- mlt_image_format output_format = *format;
-
- if ( !chain || !a_input ) {
- mlt_service_unlock( service );
- return 2;
- }
-
// Get the transition parameters
mlt_position position = mlt_transition_get_position( transition, a_frame );
mlt_position length = mlt_transition_get_length( transition );
int reverse = mlt_properties_get_int( properties, "reverse" );
- double mix = mlt_properties_get( properties, "mix" ) ?
+ const char* mix_str = mlt_properties_get( properties, "mix" );
+ double mix = ( mix_str && strlen( mix_str ) > 0 ) ?
mlt_properties_anim_get_double( properties, "mix", position, length ) :
mlt_transition_get_progress( transition, a_frame );
double inverse = 1.0 - mix;
- // Set the movit parameters
- bool ok = effect->set_float( "strength_first", reverse ? mix : inverse );
- ok |= effect->set_float( "strength_second", reverse ? inverse : mix );
- assert( ok );
-
- // Get the frames' textures
- GLuint* texture_id[2] = {0, 0};
- *format = mlt_image_glsl_texture;
- mlt_frame_get_image( a_frame, (uint8_t**) &texture_id[0], format, width, height, 0 );
- a_input->useFBOInput( chain, *texture_id[0] );
- *format = mlt_image_glsl_texture;
- mlt_frame_get_image( b_frame, (uint8_t**) &texture_id[1], format, width, height, 0 );
- b_input->useFBOInput( chain, *texture_id[1] );
-
- // Set resolution to that of the a_frame
- *width = mlt_properties_get_int( a_props, "width" );
- *height = mlt_properties_get_int( a_props, "height" );
-
- // Setup rendering to an FBO
- GlslManager* glsl = GlslManager::get_instance();
- glsl_fbo fbo = glsl->get_fbo( *width, *height );
- if ( output_format == mlt_image_glsl_texture ) {
- glsl_texture texture = glsl->get_texture( *width, *height, GL_RGBA );
-
- glBindFramebuffer( GL_FRAMEBUFFER, fbo->fbo );
- check_error();
- glFramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture->texture, 0 );
- check_error();
- glBindFramebuffer( GL_FRAMEBUFFER, 0 );
- check_error();
-
- GlslManager::render( service, chain, fbo->fbo, *width, *height );
-
- glFinish();
- check_error();
- glBindFramebuffer( GL_FRAMEBUFFER, 0 );
- check_error();
-
- *image = (uint8_t*) &texture->texture;
- mlt_frame_set_image( a_frame, *image, 0, NULL );
- mlt_properties_set_data( properties, "movit.convert", texture, 0,
- (mlt_destructor) GlslManager::release_texture, NULL );
- *format = output_format;
- }
- else {
- // Use a PBO to hold the data we read back with glReadPixels()
- // (Intel/DRI goes into a slow path if we don't read to PBO)
- GLenum gl_format = ( output_format == mlt_image_rgb24a || output_format == mlt_image_opengl )?
- GL_RGBA : GL_RGB;
- int img_size = *width * *height * ( gl_format == GL_RGB? 3 : 4 );
- glsl_pbo pbo = glsl->get_pbo( img_size );
- glsl_texture texture = glsl->get_texture( *width, *height, gl_format );
-
- if ( fbo && pbo && texture ) {
- // Set the FBO
- glBindFramebuffer( GL_FRAMEBUFFER, fbo->fbo );
- check_error();
- glFramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture->texture, 0 );
- check_error();
- glBindFramebuffer( GL_FRAMEBUFFER, 0 );
- check_error();
-
- GlslManager::render( service, chain, fbo->fbo, *width, *height );
-
- // Read FBO into PBO
- glBindBuffer( GL_PIXEL_PACK_BUFFER_ARB, pbo->pbo );
- check_error();
- glBufferData( GL_PIXEL_PACK_BUFFER_ARB, img_size, NULL, GL_STREAM_READ );
- check_error();
- glReadPixels( 0, 0, *width, *height, gl_format, GL_UNSIGNED_BYTE, BUFFER_OFFSET(0) );
- check_error();
-
- // Copy from PBO
- uint8_t* buf = (uint8_t*) glMapBuffer( GL_PIXEL_PACK_BUFFER_ARB, GL_READ_ONLY );
- check_error();
-
- *format = gl_format == GL_RGBA ? mlt_image_rgb24a : mlt_image_rgb24;
- *image = (uint8_t*) mlt_pool_alloc( img_size );
- mlt_frame_set_image( a_frame, *image, img_size, mlt_pool_release );
- memcpy( *image, buf, img_size );
-
- // Release PBO and FBO
- glUnmapBuffer( GL_PIXEL_PACK_BUFFER_ARB );
- check_error();
- glBindBuffer( GL_PIXEL_PACK_BUFFER_ARB, 0 );
- check_error();
- glBindFramebuffer( GL_FRAMEBUFFER, 0 );
- check_error();
- glBindTexture( GL_TEXTURE_2D, 0 );
- check_error();
- GlslManager::release_texture( texture );
- }
- else {
- error = 1;
- }
- }
- if ( fbo ) GlslManager::release_fbo( fbo );
- mlt_service_unlock( service );
+ // Set the Movit parameters.
+ mlt_properties_set_double( properties, "_movit.parms.float.strength_first", reverse ? mix : inverse );
+ mlt_properties_set_double( properties, "_movit.parms.float.strength_second", reverse ? inverse : mix );
+
+ uint8_t *a_image, *b_image;
+
+ // Get the two images.
+ *format = mlt_image_glsl;
+ error = mlt_frame_get_image( a_frame, &a_image, format, width, height, writable );
+ error = mlt_frame_get_image( b_frame, &b_image, format, width, height, writable );
+
+ GlslManager::set_effect_input( service, a_frame, (mlt_service) a_image );
+ GlslManager::set_effect_secondary_input( service, a_frame, (mlt_service) b_image, b_frame );
+ GlslManager::set_effect( service, a_frame, new MixEffect() );
+ *image = (uint8_t *) service;
+ mlt_service_unlock( service );
return error;
}
static mlt_frame process( mlt_transition transition, mlt_frame a_frame, mlt_frame b_frame )
{
- mlt_service service = MLT_TRANSITION_SERVICE(transition);
-
- if ( !GlslManager::init_chain( service ) ) {
- // Create the Movit effect chain
- EffectChain* chain = GlslManager::get_chain( service );
- mlt_profile profile = mlt_service_profile( service );
- Input* b_input = new MltInput( profile->width, profile->height );
- ImageFormat output_format;
- output_format.color_space = COLORSPACE_sRGB;
- output_format.gamma_curve = GAMMA_sRGB;
- chain->add_input( b_input );
- chain->add_output( output_format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED );
- chain->set_dither_bits( 8 );
-
- Effect* effect = chain->add_effect( new MixEffect(),
- GlslManager::get_input( service ), b_input );
-
- // Save these new effects on properties for get_image
- mlt_properties properties = MLT_TRANSITION_PROPERTIES(transition);
- mlt_properties_set_data( properties, "movit effect", effect, 0, NULL, NULL );
- mlt_properties_set_data( properties, "movit input B", b_input, 0, NULL, NULL );
- }
-
- // Push the transition on to the frame
mlt_frame_push_service( a_frame, transition );
-
- // Push the b_frame on to the stack
mlt_frame_push_frame( a_frame, b_frame );
-
- // Push the transition method
mlt_frame_push_get_image( a_frame, get_image );
return a_frame;
projects / mlt / blobdiff