+++ /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
- *
- */
-
-#include "asset.h"
-#include "bcsignals.h"
-#include "condition.h"
-#include "file.h"
-#include "filethread.h"
-#include "format.inc"
-#include "mutex.h"
-#include "samples.h"
-#include "vframe.h"
-#include "videodevice.inc"
-
-#include <string.h>
-#include <unistd.h>
-
-
-FileThreadFrame::FileThreadFrame()
-{
- position = 0;
- frame = 0;
-}
-
-FileThreadFrame::~FileThreadFrame()
-{
- if(frame) delete frame;
-}
-
-
-
-FileThread::FileThread(File *file, int do_audio, int do_video)
- : Thread(1, 0, 0)
-{
- reset();
- create_objects(file,
- do_audio,
- do_video);
-}
-
-FileThread::~FileThread()
-{
- delete_objects();
-
-
-}
-
-void FileThread::reset()
-{
- audio_buffer = 0;
- video_buffer = 0;
- output_size = 0;
- input_lock = 0;
- output_lock = 0;
- last_buffer = 0;
- is_writing = 0;
- is_reading = 0;
- file_lock = 0;
-
- read_wait_lock = 0;
- user_wait_lock = 0;
- frame_lock = 0;
- total_frames = 0;
- done = 0;
- disable_read = 1;
- start_position = -1;
- layer = -1;
- read_position = 0;
- bzero(read_frames, sizeof(FileThreadFrame*) * MAX_READ_FRAMES);
-}
-
-
-void FileThread::create_objects(File *file,
- int do_audio,
- int do_video)
-{
- this->file = file;
- this->do_audio = do_audio;
- this->do_video = do_video;
- file_lock = new Mutex("FileThread::file_lock");
- read_wait_lock = new Condition(0, "FileThread::read_wait_lock");
- user_wait_lock = new Condition(0, "FileThread::user_wait_lock");
- frame_lock = new Mutex("FileThread::frame_lock");
- for(int i = 0; i < MAX_READ_FRAMES; i++)
- read_frames[i] = new FileThreadFrame;
-}
-
-
-void FileThread::delete_objects()
-{
- for(int i = 0; i < MAX_READ_FRAMES; i++)
- delete read_frames[i];
-
- if(output_lock)
- {
- for(int i = 0; i < ring_buffers; i++)
- {
- delete output_lock[i];
- }
- delete [] output_lock;
- }
-
- if(input_lock)
- {
- for(int i = 0; i < ring_buffers; i++)
- {
- delete input_lock[i];
- }
- delete [] input_lock;
- }
-
-
- if(last_buffer)
- delete [] last_buffer;
-
-
- delete [] output_size;
-
- delete file_lock;
-
-
- delete read_wait_lock;
- delete user_wait_lock;
- delete frame_lock;
-
- reset();
-}
-
-void FileThread::run()
-{
- int i, j;
- int debug = 0;
- if(debug) PRINT_TRACE
-
- if(is_reading)
- {
- if(debug) PRINT_TRACE
-
- while(!done && !disable_read)
- {
- if(debug) PRINT_TRACE
- frame_lock->lock("FileThread::run 1");
- int local_total_frames = total_frames;
- frame_lock->unlock();
-
- if(local_total_frames >= MAX_READ_FRAMES)
- {
- read_wait_lock->lock("FileThread::run");
- continue;
- }
-
- if(debug) PRINT_TRACE
- if(done || disable_read) break;
-
-// Make local copes of the locked parameters
- FileThreadFrame *local_frame = 0;
- int64_t local_position = 0;
- int local_layer;
- if(debug) PRINT_TRACE
-
- frame_lock->lock("FileThread::run 2");
-// Get position of next frame to read
- if(total_frames)
- local_position = read_frames[total_frames - 1]->position + 1;
- else
- local_position = start_position;
-//printf("FileThread::run 1 %d " _LD "\n", total_frames, local_position);
-
-// Get first available frame
- local_total_frames = total_frames;
- local_frame = read_frames[local_total_frames];
- local_layer = layer;
- local_frame->valid = 0;
- frame_lock->unlock();
-
-// Read frame
- if(local_frame)
- {
- if(debug) PRINT_TRACE
- file->set_layer(local_layer, 1);
- file->set_video_position(local_position, 1);
- int supported_colormodel =
- file->get_best_colormodel(PLAYBACK_ASYNCHRONOUS);
- if(debug) PRINT_TRACE
-
-
-// Allocate frame
- if(local_frame->frame &&
- !local_frame->frame->params_match(file->asset->width,
- file->asset->height,
- supported_colormodel))
- {
- delete local_frame->frame;
- local_frame->frame = 0;
- }
-
-//printf("FileThread::run %d\n", __LINE__);
- if(!local_frame->frame)
- {
- local_frame->frame = new VFrame(0,
- -1,
- file->asset->width,
- file->asset->height,
- supported_colormodel,
- -1);
- }
-
-// Read it
-// printf("FileThread::run %d w=%d h=%d supported_colormodel=%d\n",
-// __LINE__,
-// local_frame->frame->get_w(),
-// local_frame->frame->get_h(),
-// local_frame->frame->get_color_model());
- if(debug)
- {
- PRINT_TRACE
- printf("file=%p local_frame->frame=%p\n", file, local_frame->frame);
- }
- file->read_frame(local_frame->frame, 1);
- if(debug) PRINT_TRACE
- local_frame->position = local_position;
- local_frame->layer = local_layer;
-
-// Put frame in last position but since the last position now may be
-// lower than it was when we got the frame, swap the current
-// last position with the previous last position.
- frame_lock->lock("FileThread::run 3");
- FileThreadFrame *old_frame = read_frames[total_frames];
- read_frames[local_total_frames] = old_frame;
- read_frames[total_frames++] = local_frame;
- local_frame->valid = 1;
- if(debug) PRINT_TRACE
- frame_lock->unlock();
-
-// Que the user
- user_wait_lock->unlock();
- if(debug) PRINT_TRACE
- }
- }
- }
- else
- {
- while(!done)
- {
- output_lock[local_buffer]->lock("FileThread::run 1");
- return_value = 0;
-
-
-// Timer timer;
-// timer.update();
- if(!last_buffer[local_buffer])
- {
- if(output_size[local_buffer])
- {
- int result = 0;
- file_lock->lock("FileThread::run 2");
- if(do_audio)
- {
- result = file->write_samples(
- audio_buffer[local_buffer],
- output_size[local_buffer]);
- }
- else
- if(do_video)
- {
- if(compressed)
- {
- for(j = 0; j < file->asset->layers && !result; j++)
- for(i = 0; i < output_size[local_buffer] && !result; i++)
- result = file->write_compressed_frame(video_buffer[local_buffer][j][i]);
- }
- else
- {
- result = file->write_frames(video_buffer[local_buffer],
- output_size[local_buffer]);
- }
- }
-
- file_lock->unlock();
- return_value = result;
- }
- else
- return_value = 0;
-
- output_size[local_buffer] = 0;
- }
- else
- done = 1;
-
- input_lock[local_buffer]->unlock();
- local_buffer++;
- if(local_buffer >= ring_buffers) local_buffer = 0;
- }
- }
-}
-
-
-
-int FileThread::stop_writing()
-{
- if(is_writing)
- {
- int i, buffer, layer, frame;
-
- swap_buffer();
- input_lock[current_buffer]->lock("FileThread::stop_writing 1");
-
- last_buffer[current_buffer] = 1;
-
- for(i = 0; i < ring_buffers; i++)
- output_lock[i]->unlock();
-
- swap_buffer();
-
-// wait for thread to finish
- Thread::join();
-
-// delete buffers
- file_lock->lock("FileThread::stop_writing 2");
- if(do_audio)
- {
- for(buffer = 0; buffer < ring_buffers; buffer++)
- {
- for(i = 0; i < file->asset->channels; i++)
- delete audio_buffer[buffer][i];
- delete [] audio_buffer[buffer];
- }
- delete [] audio_buffer;
- audio_buffer = 0;
- }
-
-// printf("FileThread::stop_writing %d %d %d %d\n",
-// do_video,
-// ring_buffers,
-// file->asset->layers,
-// buffer_size);
- if(do_video)
- {
- for(buffer = 0; buffer < ring_buffers; buffer++)
- {
- for(layer = 0; layer < file->asset->layers; layer++)
- {
- for(frame = 0; frame < buffer_size; frame++)
- {
- delete video_buffer[buffer][layer][frame];
- }
- delete [] video_buffer[buffer][layer];
- }
- delete [] video_buffer[buffer];
- }
- delete [] video_buffer;
- video_buffer = 0;
- }
-
- file_lock->unlock();
- }
- return 0;
-}
-
-int FileThread::start_writing(long buffer_size,
- int color_model,
- int ring_buffers,
- int compressed)
-{
-// allocate buffers
- int buffer, layer, frame;
-
- this->ring_buffers = ring_buffers;
- this->buffer_size = buffer_size;
- this->color_model = color_model;
- this->compressed = compressed;
- this->current_buffer = ring_buffers - 1;
- return_value = 0;
- local_buffer = 0;
-
- file_lock->lock("FileThread::start_writing 1");
-
-
-
-
-// Buffer is swapped before first get
- last_buffer = new int[ring_buffers];
- output_size = new long[ring_buffers];
-
-
- output_lock = new Condition*[ring_buffers];
- input_lock = new Condition*[ring_buffers];
- for(int i = 0; i < ring_buffers; i++)
- {
- output_lock[i] = new Condition(0, "FileThread::output_lock");
- input_lock[i] = new Condition(1, "FileThread::input_lock");
- last_buffer[i] = 0;
- output_size[i] = 0;
- }
-
-
-
- if(do_audio)
- {
- audio_buffer = new Samples**[ring_buffers];
- for(buffer = 0; buffer < ring_buffers; buffer++)
- {
- audio_buffer[buffer] = new Samples*[file->asset->channels];
-
- for(int channel = 0; channel < file->asset->channels; channel++)
- {
- audio_buffer[buffer][channel] = new Samples(buffer_size);
- }
- }
- }
-
- if(do_video)
- {
- this->color_model = color_model;
- //long bytes_per_frame = VFrame::calculate_data_size(file->asset->width,
- // file->asset->height, -1, color_model);
-
- video_buffer = new VFrame***[ring_buffers];
-// printf("FileThread::start_writing 1 %d %d %d %p\n",
-// ring_buffers,
-// file->asset->layers,
-// buffer_size,
-// video_buffer);
- for(buffer = 0; buffer < ring_buffers; buffer++)
- {
- video_buffer[buffer] = new VFrame**[file->asset->layers];
- for(layer = 0; layer < file->asset->layers; layer++)
- {
- video_buffer[buffer][layer] = new VFrame*[buffer_size];
- for(frame = 0; frame < buffer_size; frame++)
- {
- if(compressed)
- {
- video_buffer[buffer][layer][frame] = new VFrame;
-//printf("FileThread::start_writing %d %d\n", __LINE__);
- }
- else
- {
- video_buffer[buffer][layer][frame] =
- new VFrame(0,
- -1,
- file->asset->width,
- file->asset->height,
- color_model,
- -1);
-// printf("FileThread::start_writing %d %d %d %d %p\n",
-// __LINE__,
-// buffer,
-// layer,
-// frame,
-// video_buffer[buffer][layer]);
- }
- }
- }
- }
- }
- file_lock->unlock();
-
- for(int i = 0; i < ring_buffers; i++)
- {
- last_buffer[i] = 0;
- }
-
- is_writing = 1;
- done = 0;
- Thread::start();
- return 0;
-}
-
-int FileThread::start_reading()
-{
- if(!is_reading)
- {
- is_reading = 1;
- disable_read = 1;
- done = 0;
- }
- return 0;
-}
-
-int FileThread::stop_reading()
-{
- if(is_reading && Thread::running())
- {
- done = 1;
- read_wait_lock->unlock();
- Thread::join();
- }
- return 0;
-}
-
-int FileThread::set_video_position(int64_t position)
-{
-// If the new position can't be added to the buffer without restarting,
-// disable reading.
- if((position < this->start_position ||
- position >= this->start_position + MAX_READ_FRAMES) &&
- !disable_read)
- {
- disable_read = 1;
- read_wait_lock->unlock();
- Thread::join();
-
- total_frames = 0;
- for(int i = 0; i < MAX_READ_FRAMES; i++)
- read_frames[i]->valid = 0;
- this->start_position = position;
- }
- else
-// If a sequential read, enable reading
- if(this->start_position + 1 == position && disable_read)
- {
- this->start_position = position;
- disable_read = 0;
- Thread::start();
- }
- else
- if(disable_read)
- {
- this->start_position = position;
- }
-
- this->read_position = position;
- return 0;
-}
-
-int FileThread::set_layer(int layer)
-{
- if(layer != this->layer)
- {
- disable_read = 1;
- read_wait_lock->unlock();
- Thread::join();
- total_frames = 0;
- }
- this->layer = layer;
- return 0;
-}
-
-int FileThread::read_frame(VFrame *frame)
-{
- FileThreadFrame *local_frame = 0;
- int got_it = 0;
- int number = 0;
-
-//printf("FileThread::read_frame %d this=%p\n", __LINE__, this);
-
-// Search thread for frame
- while(!got_it && !disable_read)
- {
- frame_lock->lock("FileThread::read_frame 1");
-// printf("FileThread::read_frame: 1 read_position=" _LD " ", read_position);
-// for(int i = 0; i < total_frames; i++)
-// printf("" _LD " ", read_frames[i]->position);
-// printf("\n");
- for(int i = 0; i < total_frames; i++)
- {
- local_frame = read_frames[i];
- if(local_frame->position == read_position &&
- local_frame->layer == layer &&
- local_frame->frame &&
- local_frame->frame->equal_stacks(frame) &&
- local_frame->valid)
- {
- got_it = 1;
- number = i;
- break;
- }
- }
- frame_lock->unlock();
-
-// Not decoded yet but thread active
- if(!got_it && !disable_read)
- {
- user_wait_lock->lock("FileThread::read_frame");
- }
- }
-
-//printf("FileThread::read_frame %d this=%p\n", __LINE__, this);
-
- if(got_it)
- {
-// printf("FileThread::read_frame 1 color_model=%d disable_read=%d\n",
-// frame->get_color_model(),
-// disable_read);
-// Copy image
- if(frame->get_color_model() != local_frame->frame->get_color_model() ||
- frame->get_w() != local_frame->frame->get_w() ||
- frame->get_h() != local_frame->frame->get_h())
- {
-// printf("FileThread::read_frame %d this=%p out cmodel=%d h=%d in cmodel=%d h=%d\n",
-// __LINE__,
-// this,
-// frame->get_color_model(),
-// frame->get_w(),
-// local_frame->frame->get_color_model(),
-// local_frame->frame->get_w());
- BC_CModels::transfer(frame->get_rows(),
- local_frame->frame->get_rows(),
- frame->get_y(),
- frame->get_u(),
- frame->get_v(),
- local_frame->frame->get_y(),
- local_frame->frame->get_u(),
- local_frame->frame->get_v(),
- 0,
- 0,
- local_frame->frame->get_w(),
- local_frame->frame->get_h(),
- 0,
- 0,
- frame->get_w(),
- frame->get_h(),
- local_frame->frame->get_color_model(),
- frame->get_color_model(),
- 0,
- local_frame->frame->get_w(),
- frame->get_w());
-//for(int i = 0; i < 3000 * 1000 * 4; i++)
-//((float*)frame->get_rows()[0])[i] = 1;
-//printf("FileThread::read_frame %d this=%p\n", __LINE__, this);
- }
- else
- {
-//printf("FileThread::read_frame %d this=%p\n", __LINE__, this);
- frame->copy_from(local_frame->frame);
-//printf("FileThread::read_frame %d this=%p\n", __LINE__, this);
- }
-
-// Can't copy stacks because the stack is needed by the plugin requestor.
- frame->copy_params(local_frame->frame);
-//printf("FileThread::read_frame %d this=%p\n", __LINE__, this);
-
-// Recycle all frames before current one but not including current one.
-// This handles redrawing of a single frame but because FileThread has no
-// notion of a still frame, it has to call read_frame for those.
- frame_lock->lock("FileThread::read_frame 1");
- FileThreadFrame *new_table[MAX_READ_FRAMES];
- int k = 0;
- for(int j = number; j < total_frames; j++, k++)
- {
- new_table[k] = read_frames[j];
- }
- for(int j = 0; j < number; j++, k++)
- {
- new_table[k] = read_frames[j];
- }
- memcpy(read_frames, new_table, sizeof(FileThreadFrame*) * total_frames);
-//printf("FileThread::read_frame %d this=%p\n", __LINE__, this);
- total_frames -= number;
-
- start_position = read_position;
- read_position++;
- frame_lock->unlock();
- read_wait_lock->unlock();
- return 0;
- }
- else
- {
-// printf("FileThread::read_frame 2 color_model=%d disable_read=%d\n",
-// frame->get_color_model(),
-// disable_read);
-//printf("FileThread::read_frame %d this=%p\n", __LINE__, this);
-// Use traditional read function
- file->set_layer(layer, 1);
- file->set_video_position(read_position, 1);
- read_position++;
- int result = file->read_frame(frame, 1);
-//printf("FileThread::read_frame %d this=%p\n", __LINE__, this);
- return result;
- }
-
-
-//printf("FileThread::read_frame %d this=%p\n", __LINE__, this);
-}
-
-int64_t FileThread::get_memory_usage()
-{
- frame_lock->lock("FileThread::get_memory_usage");
- int64_t result = 0;
- for(int i = 0; i < MAX_READ_FRAMES; i++)
- if(read_frames[i] && read_frames[i]->frame)
- result += read_frames[i]->frame->get_data_size();
- frame_lock->unlock();
- return result;
-}
-
-
-Samples** FileThread::get_audio_buffer()
-{
- swap_buffer();
-
- input_lock[current_buffer]->lock("FileThread::get_audio_buffer");
- return audio_buffer[current_buffer];
-}
-
-VFrame*** FileThread::get_video_buffer()
-{
- swap_buffer();
-
- input_lock[current_buffer]->lock("FileThread::get_video_buffer");
- return video_buffer[current_buffer];
-}
-
-VFrame*** FileThread::get_last_video_buffer()
-{
- return video_buffer[current_buffer];
-}
-
-int FileThread::write_buffer(long size)
-{
- output_size[current_buffer] = size;
-
-// unlock the output lock
- output_lock[current_buffer]->unlock();
-
- return return_value;
-}
-
-int FileThread::swap_buffer()
-{
- current_buffer++;
- if(current_buffer >= ring_buffers) current_buffer = 0;
- return 0;
-}
-
-
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