+++ /dev/null
-
-/*
- * CINELERRA
- * Copyright (C) 2008 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 <errno.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "FLAC/stream_decoder.h"
-#include "FLAC/stream_encoder.h"
-
-#define IS_FILEFLAC
-#include "asset.h"
-#include "bcsignals.h"
-#include "bitspopup.h"
-#include "byteorder.h"
-#include "clip.h"
-#include "file.h"
-#include "fileflac.h"
-#include "filesystem.h"
-#include "guicast.h"
-#include "language.h"
-#include "mwindow.inc"
-
-
-FileFLAC::FileFLAC(Asset *asset, File *file)
- : FileBase(asset, file)
-{
- reset_parameters();
- if(asset->format == FILE_UNKNOWN) asset->format = FILE_FLAC;
- asset->byte_order = 0;
-}
-
-FileFLAC::~FileFLAC()
-{
- close_file();
-}
-
-void FileFLAC::get_parameters(BC_WindowBase *parent_window,
- Asset *asset,
- BC_WindowBase* &format_window,
- int audio_options,
- int video_options)
-{
- if(audio_options)
- {
- FLACConfigAudio *window = new FLACConfigAudio(parent_window, asset);
- format_window = window;
- window->create_objects();
- window->run_window();
- delete window;
- }
-}
-
-
-
-int FileFLAC::check_sig(Asset *asset, char *test)
-{
- if(test[0] == 'f' &&
- test[1] == 'L' &&
- test[2] == 'a' &&
- test[3] == 'C')
- {
- return 1;
- }
- else
- {
- return 0;
- }
-}
-
-int FileFLAC::reset_parameters_derived()
-{
- pcm_history = 0;
- flac_decode = 0;
- flac_encode = 0;
- temp_buffer = 0;
- temp_allocated = 0;
- temp_channels = 0;
- initialized = 0;
- is_reading = 0;
- return 0;
-}
-
-
-static FLAC__StreamDecoderWriteStatus write_callback(
- const FLAC__StreamDecoder *decoder,
- const FLAC__Frame *frame,
- const FLAC__int32 * const buffer[],
- void *client_data)
-{
- FileFLAC *ptr = (FileFLAC*)client_data;
-
- if(!ptr->initialized)
- {
- ptr->initialized = 1;
- ptr->asset->audio_data = 1;
- ptr->asset->channels = FLAC__stream_decoder_get_channels(ptr->flac_decode);
- ptr->asset->bits = FLAC__stream_decoder_get_bits_per_sample(ptr->flac_decode);
- ptr->asset->sample_rate = FLAC__stream_decoder_get_sample_rate(ptr->flac_decode);
- ptr->asset->audio_length = FLAC__stream_decoder_get_total_samples(ptr->flac_decode);
- return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
- }
- else
- if(ptr->is_reading)
- {
- int fragment = FLAC__stream_decoder_get_blocksize(ptr->flac_decode);
- ptr->samples_read += fragment;
-//printf("write_callback 2 %d\n", fragment);
-
- if(ptr->temp_allocated < fragment)
- {
- if(ptr->temp_buffer)
- {
- for(int i = 0; i < ptr->temp_channels; i++)
- {
- delete [] ptr->temp_buffer[i];
- }
- delete [] ptr->temp_buffer;
- }
-
- ptr->temp_channels = ptr->asset->channels;
- ptr->temp_buffer = new int32_t*[ptr->temp_channels];
- for(int i = 0; i < ptr->temp_channels; i++)
- {
- ptr->temp_buffer[i] = new int32_t[fragment];
- }
- ptr->temp_allocated = fragment;
- }
-
- float audio_max = (float)0x7fff;
- if(FLAC__stream_decoder_get_bits_per_sample(ptr->flac_decode) == 24)
- audio_max = (float)0x7fffff;
-
- int nchannels = FLAC__stream_decoder_get_channels(ptr->flac_decode);
- if( nchannels > ptr->temp_channels ) nchannels = ptr->temp_channels;
- for(int j = 0; j < nchannels; j++)
- {
- float *dst = (float*)ptr->temp_buffer[j];
- int32_t *src = (int32_t*)buffer[j];
- for(int i = 0; i < fragment; i++)
- {
- *dst++ = (float)*src++ / audio_max;
- }
- }
-
- ptr->append_history((float**)ptr->temp_buffer, fragment);
-
-//printf("write_callback 3\n");
- return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
- }
-
- return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
-}
-
-
-static void metadata_callback(const FLAC__StreamDecoder *decoder,
- const FLAC__StreamMetadata *metadata,
- void *client_data)
-{
-// printf("metadata_callback\n");
-}
-
-static void error_callback(const FLAC__StreamDecoder *decoder,
- FLAC__StreamDecoderErrorStatus status,
- void *client_data)
-{
-// printf("error_callback\n");
-}
-
-
-
-
-
-int FileFLAC::open_file(int rd, int wr)
-{
- int result = 0;
-
- if(rd)
- {
- file_bytes = FileSystem::get_size(asset->path);
- flac_decode = FLAC__stream_decoder_new();
- FLAC__stream_decoder_init_file(flac_decode,
- asset->path,
- write_callback,
- metadata_callback,
- error_callback,
- this);
-
- initialized = 0;
- while(!initialized)
- {
- if(!FLAC__stream_decoder_process_single(flac_decode)) break;
- }
-
- if(!initialized)
- result = 1;
- else
- {
- FLAC__stream_decoder_seek_absolute(flac_decode, 0);
- }
- }
-
- if(wr)
- {
- flac_encode = FLAC__stream_encoder_new();
- FLAC__stream_encoder_set_channels(flac_encode, asset->channels);
- FLAC__stream_encoder_set_bits_per_sample(flac_encode, asset->bits);
- FLAC__stream_encoder_set_sample_rate(flac_encode, asset->sample_rate);
- FLAC__stream_encoder_init_file(flac_encode,
- asset->path,
- 0,
- 0);
- }
-
- return result;
-}
-
-
-int FileFLAC::close_file_derived()
-{
- if(flac_decode)
- {
- FLAC__stream_decoder_finish(flac_decode);
- FLAC__stream_decoder_delete(flac_decode);
- }
-
- if(flac_encode)
- {
- FLAC__stream_encoder_finish(flac_encode);
- FLAC__stream_encoder_delete(flac_encode);
- }
-
-
- if(temp_buffer)
- {
- for(int i = 0; i < temp_channels; i++)
- delete [] temp_buffer[i];
- delete [] temp_buffer;
- }
- return 0;
-}
-
-
-int FileFLAC::write_samples(double **buffer, int64_t len)
-{
-// Create temporary buffer of samples
- if(temp_allocated < len)
- {
- if(temp_buffer)
- {
- for(int i = 0; i < asset->channels; i++)
- {
- delete [] temp_buffer[i];
- }
- delete [] temp_buffer;
- }
-
- temp_buffer = new int32_t*[asset->channels];
- for(int i = 0; i < asset->channels; i++)
- {
- temp_buffer[i] = new int32_t[len];
- }
- temp_allocated = len;
- }
-
- float audio_max = (float)0x7fff;
-
- switch(asset->bits)
- {
- case 24:
- audio_max = (float)0x7fffff;
- break;
- }
-
- for(int i = 0; i < asset->channels; i++)
- {
- int32_t *dst = temp_buffer[i];
- double *src = buffer[i];
- for(int j = 0; j < len; j++)
- {
- double sample = *src++ * audio_max;
- CLAMP(sample, -audio_max, audio_max);
- *dst++ = (int32_t)sample;
- }
- }
-
- int result = FLAC__stream_encoder_process(flac_encode,
- temp_buffer,
- len);
-
- return !result;
-}
-
-int FileFLAC::read_samples(double *buffer, int64_t len)
-{
- int result = 0;
- update_pcm_history(len);
-
- if(decode_end != decode_start)
- {
- FLAC__stream_decoder_seek_absolute(flac_decode, decode_start);
- decode_end = decode_start;
- }
-
- samples_read = 0;
- is_reading = 1;
-
- while(samples_read < decode_len)
- {
- FLAC__uint64 position;
- FLAC__stream_decoder_get_decode_position(flac_decode, &position);
-// EOF
- if((int64_t)position >= file_bytes) break;
- if(!FLAC__stream_decoder_process_single(flac_decode)) {
- result = 1;
- break;
- }
- }
- is_reading = 0;
-
- if(!result)
- {
- read_history(buffer,
- file->current_sample,
- file->current_channel,
- len);
- }
-
-//printf("FileFLAC::read_samples 10\n");
- return result;
-}
-
-
-
-
-
-
-
-
-
-
-FLACConfigAudio::FLACConfigAudio(BC_WindowBase *parent_window,
- Asset *asset)
- : BC_Window(_(PROGRAM_NAME ": Audio Compression"),
- parent_window->get_abs_cursor_x(1),
- parent_window->get_abs_cursor_y(1),
- 350,
- 170,
- -1,
- -1,
- 0,
- 0,
- 1)
-{
- this->parent_window = parent_window;
- this->asset = asset;
-}
-
-FLACConfigAudio::~FLACConfigAudio()
-{
-}
-
-void FLACConfigAudio::create_objects()
-{
- int x = 10, y = 10;
- lock_window("FLACConfigAudio::create_objects");
- bits_popup = new BitsPopup(this, x, y, &asset->bits, 0, 0, 0, 0, 0);
- bits_popup->create_objects();
-
- add_subwindow(new BC_OKButton(this));
- show_window(1);
- unlock_window();
-}
-
-int FLACConfigAudio::close_event()
-{
- set_done(0);
- return 1;
-}
-
projects / goodguy / history.git / blobdiff