hvirtual/cinelerra/pluginvclient.C

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#include "edl.h"
#include "edlsession.h"
#include "pluginserver.h"
#include "pluginvclient.h"
#include "vframe.h"

#include <string.h>

PluginVClient::PluginVClient(PluginServer *server)
 : PluginClient(server)
{
        video_in = 0;
        video_out = 0;
        temp = 0;
        if(server &&
                server->edl &&
                server->edl->session)
        {
                project_frame_rate = server->edl->session->frame_rate;
                frame_rate = project_frame_rate;
        }
        else
        {
                project_frame_rate = 1.0;
                frame_rate = project_frame_rate;
        }
}

PluginVClient::~PluginVClient()
{
        if(temp) delete temp;
}

int PluginVClient::is_video()
{
        return 1;
}

VFrame* PluginVClient::new_temp(int w, int h, int color_model)
{
        if(temp && 
                (temp->get_w() != w ||
                temp->get_h() != h ||
                temp->get_color_model() != color_model))
        {
                delete temp;
                temp = 0;
        }

        if(!temp)
        {
                temp = new VFrame(0, w, h, color_model);
        }

        return temp;
}

void PluginVClient::age_temp()
{
        if(temp &&
                temp->get_w() > PLUGIN_MAX_W &&
                temp->get_h() > PLUGIN_MAX_H)
        {
                delete temp;
                temp = 0;
        }
}

VFrame* PluginVClient::get_temp()
{
        return temp;
}

// Run before every realtime buffer is to be rendered.
int PluginVClient::get_render_ptrs()
{
        int i, j, double_buffer, fragment_position;

        for(i = 0; i < total_in_buffers; i++)
        {
                double_buffer = double_buffer_in_render.values[i];
                fragment_position = offset_in_render.values[i];
                input_ptr_render[i] = &input_ptr_master.values[i][double_buffer][fragment_position];
        }

        for(i = 0; i < total_out_buffers; i++)
        {
                double_buffer = double_buffer_out_render.values[i];
                fragment_position = offset_out_render.values[i];
                output_ptr_render[i] = &output_ptr_master.values[i][double_buffer][fragment_position];
        }
        return 0;
}

// Run after the non realtime plugin is run.
int PluginVClient::delete_nonrealtime_parameters()
{
        int i, j;

        for(i = 0; i < total_in_buffers; i++)
        {
                for(j = 0; j < in_buffer_size; j++)
                {
                        delete video_in[i][j];
                }
        }

        for(i = 0; i < total_out_buffers; i++)
        {
                for(j = 0; j < out_buffer_size; j++)
                {
                        delete video_out[i][j];
                }
        }
        video_in = 0;
        video_out = 0;

        return 0;
}

int PluginVClient::init_realtime_parameters()
{
        project_frame_rate = server->edl->session->frame_rate;
        project_color_model = server->edl->session->color_model;
        aspect_w = server->edl->session->aspect_w;
        aspect_h = server->edl->session->aspect_h;
        return 0;
}

int PluginVClient::process_realtime(VFrame **input, 
        VFrame **output)
{
        return 0; 
}

int PluginVClient::process_realtime(VFrame *input, 
        VFrame *output) 
{
        return 0; 
}

int PluginVClient::process_buffer(VFrame **frame,
        int64_t start_position,
        double frame_rate)
{
        for(int i = 0; i < PluginClient::total_in_buffers; i++)
                read_frame(frame[i], i, start_position, frame_rate);
        if(is_multichannel())
                process_realtime(frame, frame);
        return 0;
}

int PluginVClient::process_buffer(VFrame *frame,
        int64_t start_position,
        double frame_rate)
{
        read_frame(frame, 0, start_position, frame_rate);
        process_realtime(frame, frame);
        return 0;
}


// Replaced by pull method
// void PluginVClient::plugin_process_realtime(VFrame **input, 
//              VFrame **output, 
//              int64_t current_position,
//              int64_t total_len)
// {
//      this->source_position = current_position;
//      this->total_len = total_len;
// 
//      if(is_multichannel())
//              process_realtime(input, output);
//      else
//              process_realtime(input[0], output[0]);
// }

void PluginVClient::plugin_render_gui(void *data)
{
        render_gui(data);
}

void PluginVClient::send_render_gui(void *data)
{
        server->send_render_gui(data);
}

int PluginVClient::plugin_start_loop(int64_t start, 
        int64_t end, 
        int64_t buffer_size, 
        int total_buffers)
{
        frame_rate = get_project_framerate();
        return PluginClient::plugin_start_loop(start, 
                end, 
                buffer_size, 
                total_buffers);
}

int PluginVClient::plugin_get_parameters()
{
        frame_rate = get_project_framerate();
        return PluginClient::plugin_get_parameters();
}

int64_t PluginVClient::local_to_edl(int64_t position)
{
        if(position < 0) return position;
        return (int64_t)Units::round(position * 
                get_project_framerate() /
                frame_rate);
        return 0;
}

int64_t PluginVClient::edl_to_local(int64_t position)
{
        if(position < 0) return position;
        return (int64_t)Units::round(position * 
                frame_rate /
                get_project_framerate());
}

int PluginVClient::plugin_process_loop(VFrame **buffers, int64_t &write_length)
{
        int result = 0;

        if(is_multichannel())
                result = process_loop(buffers);
        else
                result = process_loop(buffers[0]);


        write_length = 1;

        return result;
}


int PluginVClient::run_opengl()
{
        server->run_opengl(this);
        return 0;
}

int PluginVClient::handle_opengl()
{
        return 0;
}

VFrame* PluginVClient::get_input(int channel)
{
        return input[channel];
}

VFrame* PluginVClient::get_output(int channel)
{
        return output[channel];
}

int PluginVClient::next_effect_is(char *title)
{
        return !strcmp(title, output[0]->get_next_effect());
}

int PluginVClient::prev_effect_is(char *title)
{
        return !strcmp(title, output[0]->get_prev_effect());
}



int PluginVClient::read_frame(VFrame *buffer, 
        int channel, 
        int64_t start_position)
{
        return server->read_frame(buffer, 
                channel, 
                start_position);
}

int PluginVClient::read_frame(VFrame *buffer, 
        int64_t start_position)
{
        return server->read_frame(buffer, 
                0, 
                start_position);
}

int PluginVClient::read_frame(VFrame *buffer, 
                int channel, 
                int64_t start_position,
                double frame_rate,
                int use_opengl)
{
        return server->read_frame(buffer,
                channel,
                start_position,
                frame_rate,
                use_opengl);
}


double PluginVClient::get_project_framerate()
{
        return project_frame_rate;
}

double PluginVClient::get_framerate()
{
        return frame_rate;
}

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