+++ /dev/null
-
-/*
- * CINELERRA
- * Copyright (C) 2011 Adam Williams <broadcast at earthling dot net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#ifndef VFRAME_H
-#define VFRAME_H
-
-#include "arraylist.h"
-#include "bcbitmap.inc"
-#include "bchash.inc"
-#include "bcpbuffer.inc"
-#include "bctexture.inc"
-#include "bcwindowbase.inc"
-#include "bccmodels.h"
-#include "bccmodels.h"
-#include "vframe.inc"
-
-// Maximum number of prev or next effects to be pushed onto the stacks.
-#define MAX_STACK_ELEMENTS 255
-
-
-// Scene graph for 3D models
-// Defined by the subclass
-class VFrameScene
-{
-public:
- VFrameScene();
- virtual ~VFrameScene();
-};
-
-
-
-class VFrame
-{
- friend class VFramePng;
- friend class PngReadFunction;
-public:
-// Create new frame with shared data if *data is nonzero.
-// Pass 0 to *data & -1 to shmid if private data is desired.
- VFrame(int w,
- int h,
- int color_model,
- long bytes_per_line = -1);
- VFrame(unsigned char *data,
- int shmid,
- int w,
- int h,
- int color_model /* = BC_RGBA8888 */,
- long bytes_per_line /* = -1 */);
- VFrame(unsigned char *data, // 0
- int shmid, // -1
- long y_offset,
- long u_offset,
- long v_offset,
- int w,
- int h,
- int color_model, /* = BC_RGBA8888 */
- long bytes_per_line /* = -1 */);
- VFrame(BC_Bitmap *bitmap,
- int w,
- int h,
- int color_model,
- long bytes_per_line);
-
- VFrame(VFrame &vframe);
-// Create new frame for compressed data.
- VFrame();
- ~VFrame();
-
-// Return 1 if the colormodel and dimensions are the same
-// Used by FrameCache
- int equivalent(VFrame *src, int test_stacks = 0);
-
-// Reallocate a frame without deleting the class
- int reallocate(
- unsigned char *data, // Data if shared
- int shmid, // shmid if IPC -1 if not
- long y_offset, // plane offsets if shared YUV
- long u_offset,
- long v_offset,
- int w,
- int h,
- int color_model,
- long bytes_per_line); // -1 if unused
-
- void set_memory(unsigned char *data,
- int shmid,
- long y_offset,
- long u_offset,
- long v_offset);
- void set_memory(BC_Bitmap *bitmap);
-
- void set_compressed_memory(unsigned char *data,
- int shmid,
- int data_size,
- int data_allocated);
-
-// Write a PNG for debugging
- int write_png(const char *path);
-
-// if frame points to the same data as this return 1
- int equals(VFrame *frame);
-// Test if frame already matches parameters
- int params_match(int w, int h, int color_model);
-// Test if data values in the frame match
- int data_matches(VFrame *frame);
-
-// long set_shm_offset(long offset);
-// long get_shm_offset();
- int get_shmid() { return shmid; }
- void set_use_shm(int value) { use_shm = value; }
- int get_use_shm() { return use_shm; }
-
-// direct copy with no alpha
- int copy_from(VFrame *frame);
-// BC_CModels::transfer
- int transfer_from(VFrame *frame, int bg_color=0);
-// Required for YUV
- int clear_frame();
- int allocate_compressed_data(long bytes);
-
-// Sequence number. -1 means invalid. Passing frames to the encoder is
-// asynchronous. The sequence number must be preserved in the image itself
-// to encode discontinuous frames.
- long get_number() { return sequence_number; }
- void set_number(long number) { sequence_number = number; }
-
- int get_color_model() { return color_model; }
-// Get the data pointer
- unsigned char* get_data() { return data; }
- long get_compressed_allocated() { return compressed_allocated; }
- long get_compressed_size() { return compressed_size; }
- void set_compressed_size(long size) { compressed_size = size; }
- double get_timestamp() { return timestamp; }
- void set_timestamp(double time) { timestamp = time; }
-
-// return an array of pointers to rows
- unsigned char** get_rows() { return rows; }
- int get_memory_usage();
-// accessors
- int get_w() { return w; }
- int get_h() { return h; }
- int get_w_fixed() { return w - 1; }
- int get_h_fixed() { return h - 1; }
- unsigned char *get_y() { return y; }
- unsigned char *get_u() { return u; }
- unsigned char *get_v() { return v; }
-// return rgba planes
- unsigned char *get_r() { return y; }
- unsigned char *get_g() { return u; }
- unsigned char *get_b() { return v; }
- unsigned char *get_a() { return a; }
- void set_a(unsigned char *ap) { a = ap; }
-// return yuv planes
- static int get_scale_tables(int *column_table, int *row_table,
- int in_x1, int in_y1, int in_x2, int in_y2,
- int out_x1, int out_y1, int out_x2, int out_y2);
- int get_bytes_per_pixel() { return bytes_per_pixel; }
- long get_bytes_per_line();
- int get_memory_type();
-
-
-
- static int calculate_bytes_per_pixel(int colormodel);
-// Get size + 4 for assembly language
- static long calculate_data_size(int w, int h,
- int bytes_per_line = -1, int color_model = BC_RGB888);
-// Get size of uncompressed frame buffer without extra 4 bytes
- long get_data_size();
-
- void rotate270();
- void rotate90();
- void flip_vert();
- void flip_horiz();
-
-// Convenience storage.
-// Returns -1 if not set.
- int get_field2_offset();
- int set_field2_offset(int value);
-// Set keyframe status
- void set_keyframe(int value);
- int get_keyframe();
-// Overlay src onto this with blending and translation of input.
-// Source and this must have alpha
- void overlay(VFrame *src, int out_x1, int out_y1);
-
-// If the opengl state is RAM, transfer image from RAM to the texture
-// referenced by this frame.
-// If the opengl state is TEXTURE, do nothing.
-// If the opengl state is SCREEN, switch the current drawable to the pbuffer and
-// transfer the image to the texture with screen_to_texture.
-// The opengl state is changed to TEXTURE.
-// If no textures exist, textures are created.
-// If the textures already exist, they are reused.
-// Textures are resized to match the current dimensions.
-// Must be called from a synchronous opengl thread after enable_opengl.
- void to_texture();
-
-// Transfer from PBuffer to RAM. Only used after Playback3D::overlay_sync
- void to_ram();
-
-// Transfer contents of current pbuffer to texture,
-// creating a new texture if necessary.
-// Coordinates are the coordinates in the drawable to copy.
- void screen_to_texture(int x = -1, int y = -1, int w = -1, int h = -1);
-
-// Transfer contents of texture to the current drawable.
-// Just calls the vertex functions but doesn't initialize.
-// The coordinates are relative to the VFrame size and flipped to make
-// the texture upright.
-// The default coordinates are the size of the VFrame.
-// flip_y flips the texture in the vertical direction and only used when
-// writing to the final surface.
- void draw_texture(float in_x1, float in_y1, float in_x2, float in_y2,
- float out_x1, float out_y1, float out_x2, float out_y2,
- int flip_y = 0);
-// Draw the texture using the frame's size as the input and output coordinates.
- void draw_texture(int flip_y = 0);
-
-
-
-
-
-
-
-
-
-// ================================ OpenGL functions ===========================
-// Defined in vframe3d.C
-// Location of working image if OpenGL playback
- int get_opengl_state();
- void set_opengl_state(int value);
-// OpenGL states
- enum
- {
-// Undefined
- UNKNOWN,
-// OpenGL image is in RAM
- RAM,
-// OpenGL image is in texture
- TEXTURE,
-// OpenGL image is composited in PBuffer or back buffer
- SCREEN
- };
-
-// Texture ID
- int get_texture_id();
- void set_texture_id(int id);
-// Get window ID the texture is bound to
- int get_window_id();
- int get_texture_w();
- int get_texture_h();
- int get_texture_components();
-
-
-// Binds the opengl context to this frame's PBuffer
- void enable_opengl();
-
-// Clears the pbuffer with the right values depending on YUV
- void clear_pbuffer();
-
-// Get the pbuffer
- BC_PBuffer* get_pbuffer();
-
-// Bind the frame's texture to GL_TEXTURE_2D and enable it.
-// If a texture_unit is supplied, the texture unit is made active
-// and the commands are run in the right sequence to
-// initialize it to our preferred specifications.
- void bind_texture(int texture_unit = -1);
-
-
-
-// Create a frustum with 0,0 in the upper left and w,-h in the bottom right.
-// Set preferred opengl settings.
- static void init_screen(int w, int h);
-// Calls init_screen with the current frame's dimensions.
- void init_screen();
-
-// Compiles and links the shaders into a program.
-// Adds the program with put_shader.
-// Returns the program handle.
-// Requires a null terminated argument list of shaders to link together.
-// At least one shader argument must have a main() function. make_shader
-// replaces all the main() functions with unique functions and calls them in
-// sequence, so multiple independant shaders can be linked.
-// x is a placeholder for va_arg and should be 0.
- static unsigned int make_shader(int x, ...);
- static void dump_shader(int shader_id);
-
-// Because OpenGL is faster if multiple effects are combined, we need
-// to provide ways for effects to aggregate.
-// The prev_effect is the object providing the data to read_frame.
-// The next_effect is the object which called read_frame.
-// Push and pop are only called from Cinelerra internals, so
-// if an object calls read_frame with a temporary, the stack before and after
-// the temporary is lost.
- void push_prev_effect(const char *name);
- void pop_prev_effect();
- void push_next_effect(const char *name);
- void pop_next_effect();
-// These are called by plugins to determine aggregation.
-// They access any member of the stack based on the number argument.
-// next effect 0 is the one that called read_frame most recently.
-// prev effect 0 is the one that filled our call to read_frame.
- const char* get_next_effect(int number = 0);
- const char* get_prev_effect(int number = 0);
-
-// It isn't enough to know the name of the neighboring effects.
-// Relevant configuration parameters must be passed on.
- BC_Hash* get_params();
-
-// get/set read status -1/err, 0/noxfer, 1/ok
- int get_status() { return status; }
- void set_status(int v) { status = v; }
-
-// Compare stacks and params from 2 images and return 1 if equal.
- int equal_stacks(VFrame *src);
-
-// Copy stacks and params from another frame
-// Replaces the stacks with the src stacks but only updates the params.
- void copy_stacks(VFrame *src);
-// Updates the params with values from src
- void copy_params(VFrame *src);
-
-// This clears the stacks and the param table
- void clear_stacks();
-
- void draw_rect(int x1, int y1, int x2, int y2);
- void draw_line(int x1, int y1, int x2, int y2);
- void draw_pixel(int x, int y);
- void draw_arrow(int x1, int y1, int x2, int y2);
-
-// 3D scene graphs
-// Not integrated with shmem because that only affects codecs
- VFrameScene* get_scene();
-
-// Debugging
- void dump_stacks();
- void dump();
-
- void dump_params();
-
-private:
-
-// 3D scene graphs
-// Not integrated with shmem because that only affects codecs
- VFrameScene *scene;
-
-// Create a PBuffer matching this frame's dimensions and to be
-// referenced by this frame. Does nothing if the pbuffer already exists.
-// If the frame is resized, the PBuffer is deleted.
-// Called by enable_opengl.
-// This allows PBuffers, textures, and bitmaps to travel through the entire
-// rendering chain without requiring the user to manage a lot of objects.
-// Must be called from a synchronous opengl thread after enable_opengl.
- void create_pbuffer();
-
- int clear_objects(int do_opengl);
- int reset_parameters(int do_opengl);
- void create_row_pointers();
- int allocate_data(unsigned char *data,
- int shmid,
- long y_offset,
- long u_offset,
- long v_offset,
- int w,
- int h,
- int color_model,
- long bytes_per_line);
-
-// Convenience storage
- int field2_offset;
- int memory_type;
- enum
- {
- PRIVATE,
- SHARED,
- SHMGET
- };
-
-// Data pointer is pointing to someone else's buffer.
-// long shm_offset;
-// ID of shared memory if using IPC.
-// The 1st 1 after reboot is 0.
- int shmid;
-// Local setting for shm usage
- int use_shm;
-// If not set by user, is calculated from color_model
- long bytes_per_line;
- int bytes_per_pixel;
-// Image data
- unsigned char *data;
-// Pointers to the start of each row
- unsigned char **rows;
-// One of the #defines
- int color_model;
-// Allocated space for compressed data
- long compressed_allocated;
-// Size of stored compressed image
- long compressed_size;
-// Pointers to yuv / rgb planes
- unsigned char *y, *u, *v;
- long y_offset;
- long u_offset;
- long v_offset;
-// Pointer to alpha plane
- unsigned char *a;
-// Dimensions of frame
- int w, h;
-// Info for reading png images
- const unsigned char *image;
- long image_offset;
- long image_size;
-// For writing discontinuous frames in background rendering
- long sequence_number;
- double timestamp;
-// read status of input frame -1/err, 0/noxfr, 1/ok
- int status;
-// OpenGL support
- int is_keyframe;
-// State of the current texture
- BC_Texture *texture;
-// State of the current PBuffer
- BC_PBuffer *pbuffer;
-
-// Location of working image if OpenGL playback
- int opengl_state;
-
- ArrayList<char*> prev_effects;
- ArrayList<char*> next_effects;
- BC_Hash *params;
-};
-
-// Create a frame with the png image
-class VFramePng : public VFrame {
-// Read a PNG into the frame with alpha
- int read_png(const unsigned char *data, long image_size, double xscale, double yscale);
-public:
- VFramePng(unsigned char *png_data, double scale=0);
- VFramePng(unsigned char *png_data, long image_size, double xs=0, double ys=0);
- ~VFramePng();
-};
-
-#endif
projects / goodguy / history.git / blobdiff