+++ /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 <stdio.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdarg.h>
-#include <ctype.h>
-#include <limits.h>
-// work around (centos) for __STDC_CONSTANT_MACROS
-#include <lzma.h>
-#ifndef INT64_MAX
-# define INT64_MAX 9223372036854775807LL
-#endif
-
-extern "C"
-{
-#include "libavcodec/avcodec.h"
-}
-
-#include "asset.h"
-#include "clip.h"
-#include "fileac3.h"
-#include "file.h"
-#include "filempeg.h"
-#include "language.h"
-#include "mainerror.h"
-
-
-
-#include <string.h>
-
-FileAC3::FileAC3(Asset *asset, File *file)
- : FileBase(asset, file)
-{
- reset_parameters();
- mpg_file = 0;
-}
-
-FileAC3::~FileAC3()
-{
- if( mpg_file ) delete mpg_file;
- close_file();
-}
-
-int FileAC3::reset_parameters_derived()
-{
- codec = 0;
- codec_context = 0;
- resample_context = 0;
- fd = 0;
- temp_raw = 0;
- temp_raw_size = 0;
- temp_raw_allocated = 0;
- temp_compressed = 0;
- compressed_allocated = 0;
- return 0;
-}
-
-void FileAC3::get_parameters(BC_WindowBase *parent_window,
- Asset *asset,
- BC_WindowBase* &format_window,
- int audio_options,
- int video_options)
-{
- if(audio_options)
- {
-
- AC3ConfigAudio *window = new AC3ConfigAudio(parent_window, asset);
- format_window = window;
- window->create_objects();
- window->run_window();
- delete window;
- }
-}
-
-int FileAC3::check_sig()
-{
-// Libmpeg3 does this in FileMPEG.
- return 0;
-}
-
-int64_t FileAC3::get_channel_layout(int channels)
-{
- switch( channels ) {
- case 1: return AV_CH_LAYOUT_MONO;
- case 2: return AV_CH_LAYOUT_STEREO;
- case 3: return AV_CH_LAYOUT_SURROUND;
- case 4: return AV_CH_LAYOUT_QUAD;
- case 5: return AV_CH_LAYOUT_5POINT0;
- case 6: return AV_CH_LAYOUT_5POINT1;
- case 8: return AV_CH_LAYOUT_7POINT1;
- }
- return 0;
-}
-
-int FileAC3::open_file(int rd, int wr)
-{
- int result = 0;
-
- if(rd)
- {
- if( !mpg_file )
- mpg_file = new FileMPEG(file->asset, file);
- result = mpg_file->open_file(1, 0);
- }
-
- if( !result && wr )
- {
- //avcodec_init();
- avcodec_register_all();
- codec = avcodec_find_encoder(AV_CODEC_ID_AC3);
- if(!codec)
- {
- eprintf("FileAC3::open_file codec not found.\n");
- result = 1;
- }
- if( !result && !(fd = fopen(asset->path, "w")))
- {
- perror("FileAC3::open_file");
- result = 1;
- }
- if( !result ) {
- int channels = asset->channels;
- int sample_rate = asset->sample_rate;
- int64_t layout = get_channel_layout(channels);
- int bitrate = asset->ac3_bitrate * 1000;
- codec_context = avcodec_alloc_context3(codec);
- codec_context->bit_rate = bitrate;
- codec_context->sample_rate = sample_rate;
- codec_context->channels = channels;
- codec_context->channel_layout = layout;
- codec_context->sample_fmt = codec->sample_fmts[0];
- resample_context = swr_alloc_set_opts(NULL,
- layout, codec_context->sample_fmt, sample_rate,
- layout, AV_SAMPLE_FMT_S16, sample_rate,
- 0, NULL);
- swr_init(resample_context);
- if(avcodec_open2(codec_context, codec, 0))
- {
- eprintf("FileAC3::open_file failed to open codec.\n");
- result = 1;
- }
- }
- }
-
- return 0;
-}
-
-int FileAC3::close_file()
-{
- if( mpg_file )
- {
- delete mpg_file;
- mpg_file = 0;
- }
- if(codec_context)
- {
- avcodec_close(codec_context);
- free(codec_context);
- codec_context = 0;
- codec = 0;
- }
- if( resample_context )
- swr_free(&resample_context);
- if(fd)
- {
- fclose(fd);
- fd = 0;
- }
- if(temp_raw)
- {
- delete [] temp_raw;
- temp_raw = 0;
- }
- if(temp_compressed)
- {
- delete [] temp_compressed;
- temp_compressed = 0;
- }
- reset_parameters();
- FileBase::close_file();
- return 0;
-}
-
-int FileAC3::read_samples(double *buffer, int64_t len)
-{
- return !mpg_file ? 0 : mpg_file->read_samples(buffer, len);
-}
-
-int FileAC3::get_index(char *index_path)
-{
- return !mpg_file ? 1 : mpg_file->get_index(index_path);
-}
-
-// Channel conversion matrices because ffmpeg encodes a
-// different channel order than liba52 decodes.
-// Each row is an output channel.
-// Each column is an input channel.
-// static int channels5[] =
-// {
-// { }
-// };
-//
-// static int channels6[] =
-// {
-// { }
-// };
-
-
-int FileAC3::write_samples(double **buffer, int64_t len)
-{
-// Convert buffer to encoder format
- if(temp_raw_size + len > temp_raw_allocated)
- {
- int new_allocated = temp_raw_size + len;
- int16_t *new_raw = new int16_t[new_allocated * asset->channels];
- if(temp_raw)
- {
- memcpy(new_raw,
- temp_raw,
- sizeof(int16_t) * temp_raw_size * asset->channels);
- delete [] temp_raw;
- }
- temp_raw = new_raw;
- temp_raw_allocated = new_allocated;
- }
-
-// Allocate compressed data buffer
- if(temp_raw_allocated * asset->channels * 2 > compressed_allocated)
- {
- compressed_allocated = temp_raw_allocated * asset->channels * 2;
- delete [] temp_compressed;
- temp_compressed = new unsigned char[compressed_allocated];
- }
-
-// Append buffer to temp raw
- int16_t *out_ptr = temp_raw + temp_raw_size * asset->channels;
- for(int i = 0; i < len; i++)
- {
- for(int j = 0; j < asset->channels; j++)
- {
- int sample = (int)(buffer[j][i] * 32767);
- CLAMP(sample, -32768, 32767);
- *out_ptr++ = sample;
- }
- }
- temp_raw_size += len;
-
- AVCodecContext *&avctx = codec_context;
- int frame_size = avctx->frame_size;
- int output_size = 0, cur_sample = 0, ret = 0;
- for(cur_sample = 0; !ret &&
- cur_sample + frame_size <= temp_raw_size;
- cur_sample += frame_size)
- {
- AVPacket avpkt;
- av_init_packet(&avpkt);
- avpkt.data = temp_compressed + output_size;
- avpkt.size = compressed_allocated - output_size;
- AVFrame *frame = av_frame_alloc();
- frame->nb_samples = frame_size;
- frame->format = avctx->sample_fmt;
- frame->channel_layout = avctx->channel_layout;
- frame->sample_rate = avctx->sample_rate;
- ret = av_frame_get_buffer(frame, 0);
- if( ret >= 0 ) {
- const uint8_t *samples = (uint8_t *)temp_raw +
- cur_sample * sizeof(int16_t) * asset->channels;
- ret = swr_convert(resample_context,
- (uint8_t **)frame->extended_data, frame_size,
- &samples, frame_size);
- }
- if( ret >= 0 ) {
- frame->pts = avctx->sample_rate && avctx->time_base.num ?
- file->get_audio_position() : AV_NOPTS_VALUE ;
- int got_packet = 0;
- ret = avcodec_encode_audio2(avctx, &avpkt, frame, &got_packet);
- if( ret < 0 ) {
- char errmsg[BCSTRLEN];
- av_strerror(ret, errmsg, sizeof(errmsg));
- fprintf(stderr, "avcodec_encode_audio2 failed. \n%s\n", errmsg);
- }
- }
- av_packet_free_side_data(&avpkt);
- output_size += avpkt.size;
- if(frame->extended_data != frame->data)
- av_freep(&frame->extended_data);
- av_frame_free(&frame);
- }
-
-// Shift buffer back
- memcpy(temp_raw,
- temp_raw + cur_sample * asset->channels,
- (temp_raw_size - cur_sample) * sizeof(int16_t) * asset->channels);
- temp_raw_size -= cur_sample;
-
- int bytes_written = fwrite(temp_compressed, 1, output_size, fd);
- if(bytes_written < output_size)
- {
- eprintf("Error while writing samples. \n%m\n");
- return 1;
- }
- return 0;
-}
-
-
-
-
-
-
-
-AC3ConfigAudio::AC3ConfigAudio(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),
- 500,
- BC_OKButton::calculate_h() + 100,
- 500,
- BC_OKButton::calculate_h() + 100,
- 0,
- 0,
- 1)
-{
- this->parent_window = parent_window;
- this->asset = asset;
-}
-
-void AC3ConfigAudio::create_objects()
-{
- int x = 10, y = 10;
- int x1 = 150;
- lock_window("AC3ConfigAudio::create_objects");
- add_tool(new BC_Title(x, y, "Bitrate (kbps):"));
- AC3ConfigAudioBitrate *bitrate;
- add_tool(bitrate =
- new AC3ConfigAudioBitrate(this,
- x1,
- y));
- bitrate->create_objects();
-
- add_subwindow(new BC_OKButton(this));
- show_window(1);
- unlock_window();
-}
-
-int AC3ConfigAudio::close_event()
-{
- set_done(0);
- return 1;
-}
-
-
-
-
-
-
-AC3ConfigAudioBitrate::AC3ConfigAudioBitrate(AC3ConfigAudio *gui,
- int x,
- int y)
- : BC_PopupMenu(x,
- y,
- 150,
- AC3ConfigAudioBitrate::bitrate_to_string(gui->string, gui->asset->ac3_bitrate))
-{
- this->gui = gui;
-}
-
-char* AC3ConfigAudioBitrate::bitrate_to_string(char *string, int bitrate)
-{
- sprintf(string, "%d", bitrate);
- return string;
-}
-
-void AC3ConfigAudioBitrate::create_objects()
-{
- add_item(new BC_MenuItem("32"));
- add_item(new BC_MenuItem("40"));
- add_item(new BC_MenuItem("48"));
- add_item(new BC_MenuItem("56"));
- add_item(new BC_MenuItem("64"));
- add_item(new BC_MenuItem("80"));
- add_item(new BC_MenuItem("96"));
- add_item(new BC_MenuItem("112"));
- add_item(new BC_MenuItem("128"));
- add_item(new BC_MenuItem("160"));
- add_item(new BC_MenuItem("192"));
- add_item(new BC_MenuItem("224"));
- add_item(new BC_MenuItem("256"));
- add_item(new BC_MenuItem("320"));
- add_item(new BC_MenuItem("384"));
- add_item(new BC_MenuItem("448"));
- add_item(new BC_MenuItem("512"));
- add_item(new BC_MenuItem("576"));
- add_item(new BC_MenuItem("640"));
-}
-
-int AC3ConfigAudioBitrate::handle_event()
-{
- gui->asset->ac3_bitrate = atol(get_text());
- return 1;
-}
-
-
-
projects / goodguy / history.git / blobdiff