+++ /dev/null
-
-/*
- * CINELERRA
- * Copyright (C) 2009 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 FILE_H
-#define FILE_H
-
-#include <stdlib.h>
-
-#include "asset.inc"
-#include "condition.inc"
-#include "edit.inc"
-#include "filebase.inc"
-#include "file.inc"
-
-#include "filethread.inc"
-#include "filexml.inc"
-#include "formattools.inc"
-#include "formatwindow.inc"
-#include "framecache.inc"
-#include "guicast.h"
-#include "mutex.inc"
-#include "packagingengine.inc"
-#include "pluginserver.inc"
-#include "preferences.inc"
-#include "samples.inc"
-#include "vframe.inc"
-
-// ======================================= include file types here
-
-
-
-// generic file opened by user
-class File
-{
-public:
- File();
- ~File();
-
-// Get attributes for various file formats.
-// The dither parameter is carried over from recording, where dither is done at the device.
- int get_options(FormatTools *format,
- int audio_options,
- int video_options);
-
- int raise_window();
-// Close parameter window
- void close_window();
-
-// ===================================== start here
- int set_processors(int cpus); // Set the number of cpus for certain codecs.
-// Set the number of bytes to preload during reads for Quicktime.
- int set_preload(int64_t size);
-// Set the subtitle for libzmpeg3. -1 disables subtitles.
- void set_subtitle(int value);
-// Set whether to interpolate raw images
- void set_interpolate_raw(int value);
-// Set whether to white balance raw images. Always 0 if no interpolation.
- void set_white_balance_raw(int value);
-// When loading, the asset is deleted and a copy created in the EDL.
-// void set_asset(Asset *asset);
-
-// Enable or disable frame caching. Must be tied to file to know when
-// to delete the file object. Otherwise we'd delete just the cached frames
-// while the list of open files grew.
- void set_cache_frames(int value);
-// Delete frame cache. Return 0 if successful. Return 1 if
-// nothing to delete.
- int purge_cache();
-// Delete oldest frame from cache. Return 0 if successful. Return 1 if
-// nothing to delete.
- int delete_oldest();
-
-// Format may be preset if the asset format is not 0.
- int open_file(Preferences *preferences,
- Asset *asset,
- int rd,
- int wr);
-
-// Get index from the file if one exists. Returns 0 on success.
- int get_index(char *index_path);
-
-// start a thread for writing to avoid blocking during record
- int start_audio_thread(int buffer_size, int ring_buffers);
- int stop_audio_thread();
-// The ring buffer must either be 1 or 2.
-// The buffer_size for video needs to be > 1 on SMP systems to utilize
-// multiple processors.
-// For audio it's the number of samples per buffer.
-// compressed - if 1 write_compressed_frame is called
-// if 0 write_frames is called
- int start_video_thread(int buffer_size,
- int color_model,
- int ring_buffers,
- int compressed);
- int stop_video_thread();
-
- int start_video_decode_thread();
-
-// Return the thread.
-// Used by functions that read only.
- FileThread* get_video_thread();
-
-// write any headers and close file
-// ignore_thread is used by SigHandler to break out of the threads.
- int close_file(int ignore_thread = 0);
- void delete_temp_samples_buffer();
- void delete_temp_frame_buffer();
-
-// get length of file normalized to base samplerate
- int64_t get_audio_length();
- int64_t get_video_length();
-
-// get current position
- int64_t get_audio_position();
- int64_t get_video_position();
-
-
-
-// write samples for the current channel
-// written to disk and file pointer updated after last channel is written
-// return 1 if failed
-// subsequent writes must be <= than first write's size because of buffers
- int write_samples(Samples **buffer, int64_t len);
-
-// Only called by filethread to write an array of an array of channels of frames.
- int write_frames(VFrame ***frames, int len);
-
-
-
-// For writing buffers in a background thread use these functions to get the buffer.
-// Get a pointer to a buffer to write to.
- Samples** get_audio_buffer();
- VFrame*** get_video_buffer();
-
-// Used by ResourcePixmap to directly access the cache.
- FrameCache* get_frame_cache();
-
-// Schedule a buffer for writing on the thread.
-// thread calls write_samples
- int write_audio_buffer(int64_t len);
- int write_video_buffer(int64_t len);
-
-
-
-
-// set channel for buffer accesses
- int set_channel(int channel);
- int get_channel();
-
-// set dvd program, no=-1 get current program
- int set_program(int no);
-// access cell times
- int get_cell_time(int no, double &time);
-// return stream pid
- int get_video_pid(int track);
-// return video info
- int get_video_info(int track, int &pid, double &framerate,
- int &width, int &height, char *title);
-// update asset with selected audio/video layer data
- int select_video_stream(Asset *asset, int vstream);
- int select_audio_stream(Asset *asset, int astream);
-// get dvb system_time
- int get_system_time(int64_t &tm);
-// get dvb audio channels for video stream
- int get_audio_for_video(int vstream, int astream, int64_t &channel_mask);
-// get frame thumbnail data
- int get_thumbnail(int stream,
- int64_t &position, unsigned char *&thumbnail, int &ww, int &hh);
- int set_skimming(int track, int skim, skim_fn fn, void *vp);
- int skim_video(int track, void *vp, skim_fn fn);
-
-// set position in samples
- int set_audio_position(int64_t position);
-
-// Read samples for one channel into a shared memory segment.
-// The offset is the offset in floats from the beginning of the buffer and the len
-// is the length in floats from the offset.
-// advances file pointer
-// return 1 if failed
- int read_samples(Samples *buffer, int64_t len);
-
-
-// set layer for video read
-// is_thread is used by FileThread::run to prevent recursive lockup.
- int set_layer(int layer, int is_thread = 0);
-// set position in frames
-// is_thread is set by FileThread::run to prevent recursive lockup.
-// int set_video_position(int64_t position, float base_framerate /* = -1 */, int is_thread /* = 0 */);
- int set_video_position(int64_t position, int is_thread /* = 0 */);
-
-// Read frame of video into the argument
-// is_thread is used by FileThread::run to prevent recursive lockup.
- int read_frame(VFrame *frame, int is_thread = 0);
-
-
-// The following involve no extra copies.
-// Direct copy routines for direct copy playback
- int can_copy_from(Asset *asset, int64_t position, int output_w, int output_h); // This file can copy frames directly from the asset
- int get_render_strategy(ArrayList<int>* render_strategies);
- int64_t compressed_frame_size();
- int read_compressed_frame(VFrame *buffer);
- int write_compressed_frame(VFrame *buffer);
-
-// These are separated into two routines so a file doesn't have to be
-// allocated.
-// Get best colormodel to translate for hardware accelerated playback.
-// Called by VRender.
- int get_best_colormodel(int driver);
-// Get best colormodel for hardware accelerated recording.
-// Called by VideoDevice.
- static int get_best_colormodel(Asset *asset, int driver);
-// Get nearest colormodel that can be decoded without a temporary frame.
-// Used by read_frame.
- int colormodel_supported(int colormodel);
-
-// stubs for now
- static const char *compressiontostr(const char *codec) { return codec; }
- static const char *strtocompression(const char *string) { return string; }
-// subclass memory usage
- int64_t file_memory_usage();
-// Used by CICache to calculate the total size of the cache.
-// Based on temporary frames and a call to the file subclass.
-// The return value is limited 1MB each in case of audio file.
-// The minimum setting for cache_size should be bigger than 1MB.
- int64_t get_memory_usage();
-
- static int supports_video(ArrayList<PluginServer*> *plugindb, char *format); // returns 1 if the format supports video or audio
- static int supports_audio(ArrayList<PluginServer*> *plugindb, char *format);
-// Get the extension for the filename
- static const char* get_tag(int format);
- static const char* get_prefix(int format);
- static int supports_video(int format); // returns 1 if the format supports video or audio
- static int supports_audio(int format);
- static int strtoformat(const char *format);
- static const char* formattostr(int format);
- static int strtoformat(ArrayList<PluginServer*> *plugindb, const char *format);
- static const char* formattostr(ArrayList<PluginServer*> *plugindb, int format);
- static int strtobits(const char *bits);
- static const char* bitstostr(int bits);
- static int str_to_byteorder(const char *string);
- static const char* byteorder_to_str(int byte_order);
- int bytes_per_sample(int bits); // Convert the bit descriptor into a byte count.
-// get record stream file descriptor
- int record_fd();
-
- Asset *asset; // Copy of asset since File outlives EDL
- FileBase *file; // virtual class for file type
-// Threads for writing data in the background.
- FileThread *audio_thread, *video_thread;
-
-// Temporary storage for color conversions
- VFrame *temp_frame;
-
-// Temporary storage for get_audio_buffer.
-// [ring buffers][channels][Samples]
- Samples ***temp_samples_buffer;
-
-// Temporary storage for get_video_buffer.
-// [Ring buffers][layers][temp_frame_size][VFrame]
- VFrame ****temp_frame_buffer;
-// Return value of get_video_buffer
- VFrame ***current_frame_buffer;
-// server copies of variables for threaded recording
- int audio_ring_buffers;
- int video_ring_buffers;
-// Number of frames in the temp_frame_buffer
- int video_buffer_size;
-
-
-// Lock writes while recording video and audio.
-// A binary lock won't do. We need a FIFO lock.
- Condition *write_lock;
- int cpus;
- int64_t playback_preload;
- int playback_subtitle;
- int interpolate_raw;
- int white_balance_raw;
-
-// Position information is migrated here to allow samplerate conversion.
-// Current position in file's samplerate.
-// Can't normalize to base samplerate because this would
-// require fractional positioning to know if the file's position changed.
- int64_t current_sample;
- int64_t current_frame;
- int current_channel;
- int current_layer;
- int current_program;
-
-// Position information normalized to project rates
- int64_t normalized_sample;
-// int64_t normalized_sample_rate;
- Preferences *preferences;
- int wr, rd;
- static PackagingEngine *new_packaging_engine(Asset *asset);
-
-private:
- void reset_parameters();
-
- int getting_options;
- BC_WindowBase *format_window;
- Condition *format_completion;
-// framecache is only active locally, not on fileserver
- FrameCache *frame_cache;
-// Copy read frames to the cache
- int use_cache;
-
-};
-
-#endif
projects / goodguy / history.git / blobdiff