ref: 4cebe678d736d6bf846d8d80e8243a3efa48e090
dir: /plugins/in_mp4/in_mp4.c/
/*
** FAAD - Freeware Advanced Audio Decoder
** Copyright (C) 2002 M. Bakker
**
** 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.
**
** $Id: in_mp4.c,v 1.25 2002/12/22 21:36:28 menno Exp $
**/
//#define DEBUG_OUTPUT
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <commctrl.h>
#include <commdlg.h>
#include <stdlib.h>
#include <math.h>
#include <faad.h>
#include <mp4.h>
#include "resource.h"
#include "in2.h"
#include "utils.h"
#include "config.h"
#include "aacinfo.h"
#include "aac2mp4.h"
static long priority_table[] = {
0,
THREAD_PRIORITY_HIGHEST,
THREAD_PRIORITY_ABOVE_NORMAL,
THREAD_PRIORITY_NORMAL,
THREAD_PRIORITY_BELOW_NORMAL,
THREAD_PRIORITY_LOWEST
};
static int res_id_table[] = {
IDC_16BITS,
IDC_24BITS,
IDC_32BITS,
0,
IDC_16BITS_DITHERED
};
static int res_table[] = {
16,
24,
32,
0,
16
};
static char info_fn[_MAX_PATH];
// post this to the main window at end of file (after playback has stopped)
#define WM_WA_AAC_EOF WM_USER+2
typedef struct state
{
/* general stuff */
faacDecHandle hDecoder;
int samplerate;
unsigned char channels;
int decode_pos_ms; // current decoding position, in milliseconds
int paused; // are we paused?
int seek_needed; // if != -1, it is the point that the decode thread should seek to, in ms.
char filename[_MAX_PATH];
int filetype; /* 0: MP4; 1: AAC */
int last_frame;
/* MP4 stuff */
MP4FileHandle mp4file;
int mp4track;
MP4SampleId numSamples;
MP4SampleId sampleId;
/* AAC stuff */
FILE *aacfile;
long filesize;
long bytes_read;
long bytes_into_buffer;
long bytes_consumed;
unsigned char *buffer;
long seconds;
// faadAACInfo aacInfo;
} state;
static state mp4state;
static In_Module module; // the output module (declared near the bottom of this file)
static int killPlayThread;
static int PlayThreadAlive = 0; // 1=play thread still running
HANDLE play_thread_handle = INVALID_HANDLE_VALUE; // the handle to the decode thread
/* Function definitions */
DWORD WINAPI MP4PlayThread(void *b); // the decode thread procedure
DWORD WINAPI AACPlayThread(void *b); // the decode thread procedure
#ifdef DEBUG_OUTPUT
void in_mp4_DebugOutput(char *message)
{
char s[1024];
sprintf(s, "%s: %s", mp4state.filename, message);
MessageBox(NULL, s, "Debug Message", MB_OK);
}
#endif
static void show_error(HWND hwnd, char *message, ...)
{
if (m_show_errors)
MessageBox(hwnd, message, "Error", MB_OK);
}
static void config_init()
{
char *p=INI_FILE;
GetModuleFileName(NULL,INI_FILE,_MAX_PATH);
while (*p) p++;
while (p >= INI_FILE && *p != '.') p--;
strcpy(p+1,"ini");
}
void config_read()
{
char priority[10];
char resolution[10];
char show_errors[10];
config_init();
strcpy(show_errors, "1");
strcpy(priority, "3");
strcpy(resolution, "0");
RS(priority);
RS(resolution);
RS(show_errors);
m_priority = atoi(priority);
m_resolution = atoi(resolution);
m_show_errors = atoi(show_errors);
}
void config_write()
{
char priority[10];
char resolution[10];
char show_errors[10];
itoa(m_priority, priority, 10);
itoa(m_resolution, resolution, 10);
itoa(m_show_errors, show_errors, 10);
WS(priority);
WS(resolution);
WS(show_errors);
}
void init()
{
config_read();
}
void quit()
{
}
BOOL CALLBACK mp4_info_dialog_proc(HWND hwndDlg, UINT message,
WPARAM wParam, LPARAM lParam)
{
MP4FileHandle file;
int tracks, i;
#ifdef DEBUG_OUTPUT
in_mp4_DebugOutput("mp4_info_dialog_proc");
#endif
switch (message) {
case WM_INITDIALOG:
EnableWindow(GetDlgItem(hwndDlg,IDC_CONVERT), FALSE) ;
ShowWindow(GetDlgItem(hwndDlg,IDC_CONVERT), SW_HIDE);
EnableWindow(GetDlgItem(hwndDlg,IDC_CONVERT1), FALSE) ;
ShowWindow(GetDlgItem(hwndDlg,IDC_CONVERT1), SW_HIDE);
EnableWindow(GetDlgItem(hwndDlg,IDC_CONVERT2), FALSE) ;
ShowWindow(GetDlgItem(hwndDlg,IDC_CONVERT2), SW_HIDE);
file = MP4Read(info_fn, 0);
if (!file)
return FALSE;
tracks = MP4GetNumberOfTracks(file, NULL, 0);
if (tracks == 0)
{
SetDlgItemText(hwndDlg, IDC_INFOTEXT, "No tracks found");
} else {
char *file_info;
char *info_text = malloc(1024*sizeof(char));
info_text[0] = '\0';
for (i = 0; i < tracks; i++)
{
file_info = MP4Info(file, i+1);
lstrcat(info_text, file_info);
}
SetDlgItemText(hwndDlg, IDC_INFOTEXT, info_text);
free(info_text);
}
MP4Close(file);
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDCANCEL:
case IDOK:
EndDialog(hwndDlg, wParam);
return TRUE;
}
}
return FALSE;
}
/* returns the name of the object type */
char *get_ot_string(int ot)
{
switch (ot)
{
case 0:
return "Main";
case 1:
return "LC";
case 2:
return "SSR";
case 3:
return "LTP";
}
return NULL;
}
BOOL CALLBACK aac_info_dialog_proc(HWND hwndDlg, UINT message,
WPARAM wParam, LPARAM lParam)
{
faadAACInfo aacInfo;
char *info_text, *header_string;
#ifdef DEBUG_OUTPUT
in_mp4_DebugOutput("aac_info_dialog_proc");
#endif
switch (message) {
case WM_INITDIALOG:
EnableWindow(GetDlgItem(hwndDlg,IDC_USERDATA), FALSE) ;
ShowWindow(GetDlgItem(hwndDlg,IDC_USERDATA), SW_HIDE);
info_text = malloc(1024*sizeof(char));
get_AAC_format(info_fn, &aacInfo);
switch (aacInfo.headertype)
{
case 0: /* RAW */
header_string = "";
break;
case 1: /* ADIF */
header_string = " ADIF";
break;
case 2: /* ADTS */
header_string = " ADTS";
break;
}
sprintf(info_text, "%s AAC %s%s, %d sec, %d kbps, %d Hz",
(aacInfo.version==2)?"MPEG-2":"MPEG-4", get_ot_string(aacInfo.object_type),
header_string,
(int)((float)aacInfo.length/1000.0), (int)((float)aacInfo.bitrate/1000.0+0.5),
aacInfo.sampling_rate);
SetDlgItemText(hwndDlg, IDC_INFOTEXT, info_text);
free(info_text);
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam))
{
case IDC_CONVERT:
{
char mp4FileName[256];
char *extension;
OPENFILENAME ofn;
lstrcpy(mp4FileName, info_fn);
extension = strrchr(mp4FileName, '.');
lstrcpy(extension, ".mp4");
memset(&ofn, 0, sizeof(OPENFILENAME));
ofn.lStructSize = sizeof(OPENFILENAME);
ofn.hwndOwner = hwndDlg;
ofn.hInstance = module.hDllInstance;
ofn.nMaxFileTitle = 31;
ofn.lpstrFile = (LPSTR)mp4FileName;
ofn.nMaxFile = _MAX_PATH;
ofn.lpstrFilter = "MP4 Files (*.mp4)\0*.mp4\0";
ofn.lpstrDefExt = "mp4";
ofn.Flags = OFN_EXPLORER | OFN_PATHMUSTEXIST | OFN_OVERWRITEPROMPT | OFN_HIDEREADONLY;
ofn.lpstrTitle = "Select Output File";
if (GetSaveFileName(&ofn))
{
if (covert_aac_to_mp4(info_fn, mp4FileName))
{
MessageBox(hwndDlg, "An error occured while converting AAC to MP4!", "An error occured!", MB_OK);
return FALSE;
}
}
return TRUE;
}
case IDCANCEL:
case IDOK:
EndDialog(hwndDlg, wParam);
return TRUE;
}
}
return FALSE;
}
int infoDlg(char *fn, HWND hwndParent)
{
if(StringComp(fn + strlen(fn) - 3, "AAC", 3) == 0)
{
lstrcpy(info_fn, fn);
DialogBox(module.hDllInstance, MAKEINTRESOURCE(IDD_INFO),
hwndParent, aac_info_dialog_proc);
} else {
lstrcpy(info_fn, fn);
DialogBox(module.hDllInstance, MAKEINTRESOURCE(IDD_INFO),
hwndParent, mp4_info_dialog_proc);
}
return 0;
}
BOOL CALLBACK config_dialog_proc(HWND hwndDlg, UINT message,
WPARAM wParam, LPARAM lParam)
{
int i;
switch (message) {
case WM_INITDIALOG:
SendMessage(GetDlgItem(hwndDlg, IDC_PRIORITY), TBM_SETRANGE, TRUE, MAKELONG(1,5));
SendMessage(GetDlgItem(hwndDlg, IDC_PRIORITY), TBM_SETPOS, TRUE, m_priority);
SendMessage(GetDlgItem(hwndDlg, res_id_table[m_resolution]), BM_SETCHECK, BST_CHECKED, 0);
if (m_show_errors)
SendMessage(GetDlgItem(hwndDlg, IDC_ERROR), BM_SETCHECK, BST_CHECKED, 0);
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDCANCEL:
EndDialog(hwndDlg, wParam);
return TRUE;
case IDOK:
m_show_errors = SendMessage(GetDlgItem(hwndDlg, IDC_ERROR), BM_GETCHECK, 0, 0);
m_priority = SendMessage(GetDlgItem(hwndDlg, IDC_PRIORITY), TBM_GETPOS, 0, 0);
for (i = 0; i < 5; i++)
{
if (SendMessage(GetDlgItem(hwndDlg, res_id_table[i]), BM_GETCHECK, 0, 0))
{
m_resolution = i;
break;
}
}
/* save config */
config_write();
EndDialog(hwndDlg, wParam);
return TRUE;
}
}
return FALSE;
}
void config(HWND hwndParent)
{
DialogBox(module.hDllInstance, MAKEINTRESOURCE(IDD_CONFIG),
hwndParent, config_dialog_proc);
return;
}
void about(HWND hwndParent)
{
MessageBox(hwndParent,
"AudioCoding.com MPEG-4 General Audio player " FAAD2_VERSION " compiled on " __DATE__ ".\n"
"Visit the website for more info.\n"
"Copyright 2002 AudioCoding.com",
"About",
MB_OK);
}
int isourfile(char *fn)
{
if(StringComp(fn + strlen(fn) - 3, "MP4", 3) == 0)
{
return 1;
}
if(StringComp(fn + strlen(fn) - 3, "AAC", 3) == 0)
{
return 1;
}
return 0;
}
int play(char *fn)
{
int maxlatency;
int thread_id;
int avg_bitrate, br, sr;
unsigned char *buffer;
int buffer_size;
faacDecConfigurationPtr config;
#ifdef DEBUG_OUTPUT
in_mp4_DebugOutput("play");
#endif
mp4state.channels = 0;
mp4state.samplerate = 0;
mp4state.filetype = 0;
strcpy(mp4state.filename, fn);
if(StringComp(fn + strlen(fn) - 3, "AAC", 3) == 0)
mp4state.filetype = 1;
mp4state.hDecoder = faacDecOpen();
if (!mp4state.hDecoder)
{
show_error(module.hMainWindow, "Unable to open decoder library.");
return -1;
}
config = faacDecGetCurrentConfiguration(mp4state.hDecoder);
config->outputFormat = m_resolution + 1;
faacDecSetConfiguration(mp4state.hDecoder, config);
if (mp4state.filetype)
{
long pos, tmp, read, tagsize;
// get_AAC_format(mp4state.filename, &mp4state.aacInfo);
mp4state.aacfile = fopen(mp4state.filename, "rb");
if (!mp4state.aacfile)
{
show_error(module.hMainWindow, "Unable to open file.");
faacDecClose(mp4state.hDecoder);
return -1;
}
pos = ftell(mp4state.aacfile);
fseek(mp4state.aacfile, 0, SEEK_END);
mp4state.filesize = ftell(mp4state.aacfile);
fseek(mp4state.aacfile, pos, SEEK_SET);
if (!(mp4state.buffer=(unsigned char*)malloc(768*48)))
{
show_error(module.hMainWindow, "Memory allocation error.");
faacDecClose(mp4state.hDecoder);
fclose(mp4state.aacfile);
return -1;
}
memset(mp4state.buffer, 0, 768*48);
if (mp4state.filesize < 768*48)
tmp = mp4state.filesize;
else
tmp = 768*48;
read = fread(mp4state.buffer, 1, tmp, mp4state.aacfile);
if (read == tmp)
{
mp4state.bytes_read = read;
mp4state.bytes_into_buffer = read;
} else {
show_error(module.hMainWindow, "Error reading from file.");
faacDecClose(mp4state.hDecoder);
fclose(mp4state.aacfile);
return -1;
}
if (StringComp(mp4state.buffer, "ID3", 3) == 0)
{
/* high bit is not used */
tagsize = (mp4state.buffer[6] << 21) | (mp4state.buffer[7] << 14) |
(mp4state.buffer[8] << 7) | (mp4state.buffer[9] << 0);
tagsize += 10;
} else {
tagsize = 0;
}
if ((mp4state.bytes_consumed = faacDecInit(mp4state.hDecoder,
mp4state.buffer+tagsize, mp4state.bytes_into_buffer,
&mp4state.samplerate, &mp4state.channels)) < 0)
{
show_error(module.hMainWindow, "Can't initialize library.");
faacDecClose(mp4state.hDecoder);
fclose(mp4state.aacfile);
return -1;
}
mp4state.bytes_consumed += tagsize;
mp4state.bytes_into_buffer -= mp4state.bytes_consumed;
// avg_bitrate = mp4state.aacInfo.bitrate;
avg_bitrate = 0;
module.is_seekable = 0;
} else {
mp4state.mp4file = MP4Read(mp4state.filename, 0);
if (!mp4state.mp4file)
{
show_error(module.hMainWindow, "Unable to open file.");
faacDecClose(mp4state.hDecoder);
return -1;
}
if ((mp4state.mp4track = GetAACTrack(mp4state.mp4file)) < 0)
{
show_error(module.hMainWindow, "Unsupported Audio track type.");
faacDecClose(mp4state.hDecoder);
MP4Close(mp4state.mp4file);
return -1;
}
buffer = NULL;
buffer_size = 0;
MP4GetTrackESConfiguration(mp4state.mp4file, mp4state.mp4track,
&buffer, &buffer_size);
if (!buffer)
{
faacDecClose(mp4state.hDecoder);
MP4Close(mp4state.mp4file);
return -1;
}
if(faacDecInit2(mp4state.hDecoder, buffer, buffer_size,
&mp4state.samplerate, &mp4state.channels) < 0)
{
/* If some error initializing occured, skip the file */
faacDecClose(mp4state.hDecoder);
MP4Close(mp4state.mp4file);
return -1;
}
free(buffer);
avg_bitrate = MP4GetTrackIntegerProperty(mp4state.mp4file, mp4state.mp4track,
"mdia.minf.stbl.stsd.mp4a.esds.decConfigDescr.avgBitrate");
mp4state.numSamples = MP4GetTrackNumberOfSamples(mp4state.mp4file, mp4state.mp4track);
mp4state.sampleId = 1;
module.is_seekable = 1;
}
if (mp4state.channels == 0)
{
show_error(module.hMainWindow, "Number of channels not supported for playback.");
faacDecClose(mp4state.hDecoder);
if (mp4state.filetype)
fclose(mp4state.aacfile);
else
MP4Close(mp4state.mp4file);
return -1;
}
maxlatency = module.outMod->Open(mp4state.samplerate, (int)mp4state.channels,
res_table[m_resolution], -1, -1);
if (maxlatency < 0) // error opening device
{
faacDecClose(mp4state.hDecoder);
if (mp4state.filetype)
fclose(mp4state.aacfile);
else
MP4Close(mp4state.mp4file);
return -1;
}
mp4state.paused = 0;
mp4state.decode_pos_ms = 0;
mp4state.seek_needed = -1;
// initialize vis stuff
module.SAVSAInit(maxlatency, mp4state.samplerate);
module.VSASetInfo((int)mp4state.channels, mp4state.samplerate);
br = (int)floor(((float)avg_bitrate + 500.0)/1000.0);
sr = (int)floor((float)mp4state.samplerate/1000.0);
module.SetInfo(br, sr, (int)mp4state.channels, 1);
module.outMod->SetVolume(-666); // set the output plug-ins default volume
killPlayThread = 0;
if (mp4state.filetype)
{
if ((play_thread_handle = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)AACPlayThread,
(void *)&killPlayThread, 0, &thread_id)) == NULL)
{
show_error(module.hMainWindow, "Cannot create playback thread");
faacDecClose(mp4state.hDecoder);
fclose(mp4state.aacfile);
return -1;
}
} else {
if ((play_thread_handle = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)MP4PlayThread,
(void *)&killPlayThread, 0, &thread_id)) == NULL)
{
show_error(module.hMainWindow, "Cannot create playback thread");
faacDecClose(mp4state.hDecoder);
MP4Close(mp4state.mp4file);
return -1;
}
}
SetThreadAffinityMask(play_thread_handle, 1);
if (m_priority != 3)
SetThreadPriority(play_thread_handle, priority_table[m_priority]);
return 0;
}
void pause()
{
#ifdef DEBUG_OUTPUT
in_mp4_DebugOutput("pause");
#endif
mp4state.paused = 1;
module.outMod->Pause(1);
}
void unpause()
{
#ifdef DEBUG_OUTPUT
in_mp4_DebugOutput("unpause");
#endif
mp4state.paused = 0;
module.outMod->Pause(0);
}
int ispaused()
{
#ifdef DEBUG_OUTPUT
in_mp4_DebugOutput("ispaused");
#endif
return mp4state.paused;
}
void setvolume(int volume)
{
#ifdef DEBUG_OUTPUT
in_mp4_DebugOutput("setvolume");
#endif
module.outMod->SetVolume(volume);
}
void setpan(int pan)
{
#ifdef DEBUG_OUTPUT
in_mp4_DebugOutput("setpan");
#endif
module.outMod->SetPan(pan);
}
void stop()
{
#ifdef DEBUG_OUTPUT
in_mp4_DebugOutput("stop");
#endif
killPlayThread = 1;
if (play_thread_handle != INVALID_HANDLE_VALUE)
{
if (WaitForSingleObject(play_thread_handle, INFINITE) == WAIT_TIMEOUT)
TerminateThread(play_thread_handle,0);
CloseHandle(play_thread_handle);
play_thread_handle = INVALID_HANDLE_VALUE;
}
faacDecClose(mp4state.hDecoder);
if (mp4state.filetype)
fclose(mp4state.aacfile);
else
MP4Close(mp4state.mp4file);
module.outMod->Close();
module.SAVSADeInit();
}
int getsonglength(char *fn)
{
long msDuration = 0;
if(StringComp(fn + strlen(fn) - 3, "MP4", 3) == 0)
{
int track;
MP4Duration length;
MP4FileHandle file;
file = MP4Read(fn, 0);
if (!file)
return 0;
if ((track = GetAACTrack(file)) < 0)
{
MP4Close(file);
return -1;
}
length = MP4GetTrackDuration(file, track);
msDuration = MP4ConvertFromTrackDuration(file, track,
length, MP4_MSECS_TIME_SCALE);
MP4Close(file);
return msDuration;
} else {
// faadAACInfo aacInfo;
// get_AAC_format(fn, &aacInfo);
// return aacInfo.length;
return 0;
}
}
int getlength()
{
if (!mp4state.filetype)
{
int track;
long msDuration;
MP4Duration length;
if ((track = GetAACTrack(mp4state.mp4file)) < 0)
{
return -1;
}
length = MP4GetTrackDuration(mp4state.mp4file, track);
msDuration = MP4ConvertFromTrackDuration(mp4state.mp4file, track,
length, MP4_MSECS_TIME_SCALE);
return msDuration;
} else {
// return mp4state.aacInfo.length;
return 0;
}
return 0;
}
int getoutputtime()
{
return mp4state.decode_pos_ms+(module.outMod->GetOutputTime()-module.outMod->GetWrittenTime());
}
void setoutputtime(int time_in_ms)
{
#ifdef DEBUG_OUTPUT
in_mp4_DebugOutput("setoutputtime");
#endif
mp4state.seek_needed = time_in_ms;
}
void getfileinfo(char *filename, char *title, int *length_in_ms)
{
if (!filename || !*filename) /* currently playing file */
{
if (length_in_ms)
*length_in_ms = getlength();
if (title)
{
char *tmp2;
char *tmp = PathFindFileName(mp4state.filename);
strcpy(title, tmp);
tmp2 = strrchr(title, '.');
tmp2[0] = '\0';
}
} else {
if (length_in_ms)
*length_in_ms = getsonglength(filename);
if (title)
{
char *tmp2;
char *tmp = PathFindFileName(filename);
strcpy(title, tmp);
tmp2 = strrchr(title, '.');
tmp2[0] = '\0';
}
}
}
void eq_set(int on, char data[10], int preamp)
{
}
DWORD WINAPI MP4PlayThread(void *b)
{
int done = 0;
int l;
void *sample_buffer;
unsigned char *buffer;
int buffer_size, ms;
faacDecFrameInfo frameInfo;
#ifdef DEBUG_OUTPUT
in_mp4_DebugOutput("MP4PlayThread");
#endif
PlayThreadAlive = 1;
mp4state.last_frame = 0;
while (!*((int *)b))
{
/* seeking */
if (mp4state.seek_needed != -1)
{
MP4Duration duration;
module.outMod->Flush(mp4state.decode_pos_ms);
duration = MP4ConvertToTrackDuration(mp4state.mp4file,
mp4state.mp4track, mp4state.seek_needed, MP4_MSECS_TIME_SCALE);
mp4state.sampleId = MP4GetSampleIdFromTime(mp4state.mp4file,
mp4state.mp4track, duration, 0);
mp4state.decode_pos_ms = mp4state.seek_needed;
mp4state.seek_needed = -1;
}
if (done)
{
module.outMod->CanWrite();
if (!module.outMod->IsPlaying())
{
PostMessage(module.hMainWindow, WM_WA_AAC_EOF, 0, 0);
PlayThreadAlive = 0;
return 0;
}
Sleep(10);
} else if (module.outMod->CanWrite() >= (1024*mp4state.channels*sizeof(short))) {
if (mp4state.last_frame)
{
done = 1;
} else {
int rc;
/* get acces unit from MP4 file */
buffer = NULL;
buffer_size = 0;
rc = MP4ReadSample(mp4state.mp4file, mp4state.mp4track,
mp4state.sampleId++, &buffer, &buffer_size,
NULL, NULL, NULL, NULL);
if (rc == 0 || buffer == NULL)
{
mp4state.last_frame = 1;
sample_buffer = NULL;
frameInfo.samples = 0;
} else {
sample_buffer = faacDecDecode(mp4state.hDecoder, &frameInfo,
buffer, buffer_size);
}
if (frameInfo.error > 0)
{
show_error(module.hMainWindow, faacDecGetErrorMessage(frameInfo.error));
mp4state.last_frame = 1;
}
if (mp4state.sampleId >= mp4state.numSamples)
mp4state.last_frame = 1;
if (buffer) free(buffer);
if (!killPlayThread && (frameInfo.samples > 0))
{
if (res_table[m_resolution] == 24)
{
/* convert libfaad output (3 bytes packed in 4) */
char *temp_buffer = convert3in4to3in3(sample_buffer, frameInfo.samples);
memcpy((void*)sample_buffer, (void*)temp_buffer, frameInfo.samples*3);
free(temp_buffer);
}
module.SAAddPCMData(sample_buffer, (int)mp4state.channels, res_table[m_resolution],
mp4state.decode_pos_ms);
module.VSAAddPCMData(sample_buffer, (int)mp4state.channels, res_table[m_resolution],
mp4state.decode_pos_ms);
ms = (int)floor(((float)frameInfo.samples*1000.0) /
((float)mp4state.samplerate*(float)frameInfo.channels));
mp4state.decode_pos_ms += ms;
l = frameInfo.samples * res_table[m_resolution] / 8;
if (module.dsp_isactive())
{
void *dsp_buffer = malloc(l*2);
memcpy(dsp_buffer, sample_buffer, l);
l = module.dsp_dosamples((short*)dsp_buffer,
frameInfo.samples/frameInfo.channels,
res_table[m_resolution],
frameInfo.channels,
mp4state.samplerate) *
(frameInfo.channels*(res_table[m_resolution]/8));
module.outMod->Write(dsp_buffer, l);
if (dsp_buffer) free(dsp_buffer);
} else {
module.outMod->Write(sample_buffer, l);
}
}
}
} else {
Sleep(10);
}
}
PlayThreadAlive = 0;
return 0;
}
DWORD WINAPI AACPlayThread(void *b)
{
int done = 0;
int l, ms;
void *sample_buffer;
faacDecFrameInfo frameInfo;
#ifdef DEBUG_OUTPUT
in_mp4_DebugOutput("AACPlayThread");
#endif
PlayThreadAlive = 1;
mp4state.last_frame = 0;
while (!*((int *)b))
{
#if 0
/* seeking */
if (mp4state.seek_needed != -1)
{
int ms;
/* Round off to a second */
ms = mp4state.seek_needed - (mp4state.seek_needed%1000);
module.outMod->Flush(mp4state.decode_pos_ms);
aac_seek(ms);
mp4state.decode_pos_ms = ms;
mp4state.seek_needed = -1;
}
#endif
if (done)
{
module.outMod->CanWrite();
if (!module.outMod->IsPlaying())
{
PostMessage(module.hMainWindow, WM_WA_AAC_EOF, 0, 0);
PlayThreadAlive = 0;
return 0;
}
Sleep(10);
} else if (module.outMod->CanWrite() >= (1024*mp4state.channels*sizeof(short))) {
if (mp4state.last_frame)
{
done = 1;
} else {
long tmp, read;
unsigned char *buffer = mp4state.buffer;
do
{
if (mp4state.bytes_consumed > 0)
{
if (mp4state.bytes_into_buffer)
{
memcpy(buffer, buffer+mp4state.bytes_consumed,
mp4state.bytes_into_buffer);
}
if (mp4state.bytes_read < mp4state.filesize)
{
if (mp4state.bytes_read + mp4state.bytes_consumed < mp4state.filesize)
tmp = mp4state.bytes_consumed;
else
tmp = mp4state.filesize - mp4state.bytes_read;
read = fread(buffer + mp4state.bytes_into_buffer, 1, tmp, mp4state.aacfile);
if (read == tmp)
{
mp4state.bytes_read += read;
mp4state.bytes_into_buffer += read;
}
} else {
if (mp4state.bytes_into_buffer)
{
memset(buffer + mp4state.bytes_into_buffer, 0,
mp4state.bytes_consumed);
}
}
mp4state.bytes_consumed = 0;
}
if (mp4state.bytes_into_buffer < 1)
{
if (mp4state.bytes_read < mp4state.filesize)
{
show_error(module.hMainWindow, faacDecGetErrorMessage(frameInfo.error));
mp4state.last_frame = 1;
} else {
mp4state.last_frame = 1;
}
}
sample_buffer = faacDecDecode(mp4state.hDecoder, &frameInfo,
buffer, mp4state.bytes_into_buffer);
mp4state.bytes_consumed += frameInfo.bytesconsumed;
mp4state.bytes_into_buffer -= mp4state.bytes_consumed;
} while (!frameInfo.samples && !frameInfo.error);
if (!killPlayThread && (frameInfo.samples > 0))
{
if (res_table[m_resolution] == 24)
{
/* convert libfaad output (3 bytes packed in 4 bytes) */
char *temp_buffer = convert3in4to3in3(sample_buffer, frameInfo.samples);
memcpy((void*)sample_buffer, (void*)temp_buffer, frameInfo.samples*3);
free(temp_buffer);
}
module.SAAddPCMData(sample_buffer, (int)mp4state.channels, res_table[m_resolution],
mp4state.decode_pos_ms);
module.VSAAddPCMData(sample_buffer, (int)mp4state.channels, res_table[m_resolution],
mp4state.decode_pos_ms);
ms = (int)floor(((float)frameInfo.samples*1000.0) /
((float)mp4state.samplerate*(float)frameInfo.channels));
mp4state.decode_pos_ms += ms;
l = frameInfo.samples * res_table[m_resolution] / 8;
if (module.dsp_isactive())
{
void *dsp_buffer = malloc(l*2);
memcpy(dsp_buffer, sample_buffer, l);
l = module.dsp_dosamples((short*)dsp_buffer,
frameInfo.samples/frameInfo.channels,
res_table[m_resolution],
frameInfo.channels,
mp4state.samplerate) *
(frameInfo.channels*(res_table[m_resolution]/8));
module.outMod->Write(dsp_buffer, l);
if (dsp_buffer) free(dsp_buffer);
} else {
module.outMod->Write(sample_buffer, l);
}
}
}
} else {
Sleep(10);
}
}
PlayThreadAlive = 0;
return 0;
}
static In_Module module =
{
IN_VER,
"AudioCoding.com MPEG-4 General Audio player: " FAAD2_VERSION " compiled on " __DATE__,
0, // hMainWindow
0, // hDllInstance
"MP4\0MPEG-4 Files (*.MP4)\0AAC\0AAC Files (*.AAC)\0"
,
1, // is_seekable
1, // uses output
config,
about,
init,
quit,
getfileinfo,
infoDlg,
isourfile,
play,
pause,
unpause,
ispaused,
stop,
getlength,
getoutputtime,
setoutputtime,
setvolume,
setpan,
0,0,0,0,0,0,0,0,0, // vis stuff
0,0, // dsp
eq_set,
NULL, // setinfo
0 // out_mod
};
__declspec(dllexport) In_Module* winampGetInModule2()
{
return &module;
}