static void ClearInput(codec* p)
{
PacketFormatClear(&p->In.Format);
PacketFormatClear(&p->Out.Format);
p->Out.Process = DummyProcess;
p->In.Process = DummyProcess;
}
static int Init(ape* p)
{
format_stream* s;
p->Format.HeaderLoaded = 1;
p->Format.TimeStamps = 0;
if (!Load(p))
return ERR_NOT_SUPPORTED;
p->Samples = 0;
s = Format_AddStream(&p->Format,sizeof(format_stream));
if (s)
{
PacketFormatClear(&s->Format);
s->Format.Type = PACKET_AUDIO;
s->Format.Format.Audio.Format = AUDIOFMT_PCM;
s->Format.Format.Audio.Bits = p->Decoder->GetInfo(APE_INFO_BITS_PER_SAMPLE, 0, 0);
s->Format.Format.Audio.SampleRate = p->Decoder->GetInfo(APE_INFO_SAMPLE_RATE, 0, 0);
s->Format.Format.Audio.Channels = p->Decoder->GetInfo(APE_INFO_CHANNELS, 0, 0);
PacketFormatDefault(&s->Format);
s->Format.ByteRate = p->Decoder->GetInfo(APE_INFO_AVERAGE_BITRATE, 0, 0) * 125;
s->Fragmented = 1;
s->DisableDrop = 1;
p->Format.Duration = (tick_t)(((int64_t)p->Decoder->GetInfo(APE_INFO_LENGTH_MS, 0, 0) / 1000) * TICKSPERSEC);
Format_PrepairStream(&p->Format,s);
p->SampleRate = s->Format.Format.Audio.SampleRate;
p->SampleSize = p->Decoder->GetInfo(APE_INFO_BYTES_PER_SAMPLE, 0, 0) * s->Format.Format.Audio.Channels;
}
//p->blockSize = p->Decoder->GetInfo(APE_INFO_BLOCK_ALIGN, 0, 0);
p->BufferLen = p->SampleSize * 1024;//p->blockSize * 1024; /////??????
p->Buffer = (uint8_t*)malloc(p->SampleSize*p->BufferLen);
if (!p->Buffer)
return ERR_OUT_OF_MEMORY;
return ERR_NONE;
}
static int UpdateInput(codecidct* p)
{
int Result = ERR_NONE;
Flush(p);
if (!PacketFormatMatch(p->Node.Class, &p->In.Format))
PacketFormatClear(&p->In.Format);
memset(&p->IDCT.Format,0,sizeof(video));
if (p->UpdateInput)
Result = p->UpdateInput(p);
if (Result != ERR_NONE)
PacketFormatClear(&p->In.Format);
if (p->In.Format.Type != PACKET_VIDEO && p->IDCT.Ptr)
p->IDCT.Ptr->Set(p->IDCT.Ptr,IDCT_FORMAT,NULL,0);
return Result;
}
int RawAudioInit(rawaudio* p)
{
format_stream* s = Format_AddStream(&p->Format,sizeof(format_stream));
p->Head = 0;
if (s)
{
PacketFormatClear(&s->Format);
s->Format.Type = PACKET_AUDIO;
s->Format.Audio.Format = p->Type;
s->PacketBurst = 1;
s->Fragmented = 1;
s->DisableDrop = 1;
Format_PrepairStream(&p->Format,s);
if (s->Comment.Node)
{
format_reader* Reader = p->Format.Reader;
// id3v1
char Buffer[ID3TAG1SIZE];
char Head[ID3TAGQUERYSIZE];
filepos_t Save = Reader->Input->Seek(Reader->Input,0,SEEK_CUR);
if (Save>=0 && Reader->Input->Seek(Reader->Input,-(int)sizeof(Buffer),SEEK_END)>=0)
{
if (Reader->Input->Read(Reader->Input,Buffer,sizeof(Buffer)) == sizeof(Buffer))
Id3TagParse(Buffer,sizeof(Buffer),&s->Comment);
Reader->Input->Seek(Reader->Input,Save,SEEK_SET);
}
// id3v2
if (Reader->Read(Reader,Head,sizeof(Head))==sizeof(Head))
{
int TagSize = Id3TagQuery(Head,sizeof(Head));
if (TagSize > 0)
{
void* Buffer = malloc(TagSize);
if (Buffer)
{
int Len = Reader->Read(Reader,Buffer,TagSize);
Id3TagParse(Buffer,Len,&s->Comment);
free(Buffer);
}
p->Head = TagSize;
}
}
Reader->Seek(Reader,p->Head,SEEK_SET);
}
}
p->SeekPos = p->Head;
return ERR_NONE;
}
static int UpdateInput(nulloutput* p)
{
p->Total = 0;
p->Dropped = 0;
if ((p->Format.Type == PACKET_SUBTITLE) ||
(p->Format.Type == PACKET_VIDEO && (p->Node.Class != NULLVIDEO_ID || Compressed(&p->Format.Format.Video.Pixel))) ||
(p->Format.Type == PACKET_AUDIO && (p->Node.Class != NULLAUDIO_ID || p->Format.Format.Audio.Format != AUDIOFMT_PCM)))
{
PacketFormatClear(&p->Format);
return ERR_INVALID_DATA;
}
return ERR_NONE;
}
static void AudioTrack(format_stream* s,TrackInfo* Info,int Format,bool_t PacketBased)
{
PacketFormatClear(&s->Format);
s->Format.Type = PACKET_AUDIO;
s->Format.Format.Audio.Format = Format;
Info->AV.Audio.Channels;
s->Format.Format.Audio.Channels = Info->AV.Audio.Channels; //Mod2010:
s->Format.Format.Audio.SampleRate = mkv_TruncFloat(Info->AV.Audio.SamplingFreq); //Mod2010:
s->Format.Format.Audio.Bits = Info->AV.Audio.BitDepth; //Mod2010:
s->Fragmented = !PacketBased;
if (PacketBased)
s->Format.Format.Audio.Flags |= PCM_PACKET_BASED;
PacketFormatDefault(&s->Format);
}
void Format_FreeSubTitle(format_base* p,format_stream* s)
{
format_subtitleitem* i;
format_subtitleitem* Last=NULL;
for (i=((format_subtitle*)s)->List;i;i=i->Next)
if (i->Allocated)
{
free(Last);
Last = i;
}
free(Last);
PacketFormatClear(&s->Format);
free(s);
}
static int Init(rawimage* p)
{
format_stream* s = Format_AddStream(&p->Format,sizeof(format_stream));
if (s)
{
PacketFormatClear(&s->Format);
s->Format.Type = PACKET_VIDEO;
s->Format.Format.Video.Pixel.Flags = PF_FOURCC; //|PF_NOPREROTATE;
s->Format.Format.Video.Pixel.FourCC = p->FourCC;
s->PacketBurst = 1;
s->DisableDrop = 1;
Format_PrepairStream(&p->Format,s);
}
p->Total = 0;
p->Format.HeaderLoaded = 1;
p->Format.TimeStamps = 0;
return ERR_NONE;
}
static bool_t SpeexHeader(ogg* p, oggstream* s, const char* Data, int Length )
{
if (Length<80 && strncmp(Data,"Speex ",8)!=0)
return 0;
PacketFormatClear(&s->Stream.Format);
s->Stream.Format.Type = PACKET_AUDIO;
s->Stream.Format.Format.Audio.Format = AUDIOFMT_SPEEX;
s->Stream.Format.Format.Audio.Channels = INT32LE(*(int32_t*)(Data+48));
s->Stream.Format.ByteRate = INT32LE(*(int32_t*)(Data+52))/8;
s->Stream.Format.Format.Audio.SampleRate = INT32LE(*(int32_t*)(Data+36));
s->MediaRateDen = TICKSPERSEC;
s->MediaRateNum = s->Stream.Format.Format.Audio.SampleRate;
s->Native = 1;
if (PacketFormatExtra(&s->Stream.Format,Length))
memcpy(s->Stream.Format.Extra,Data,s->Stream.Format.ExtraLength);
return 1;
}
static int UpdateInput( audio_template* p )
{
free(p->Buffer);
p->Buffer = NULL;
if (p->Codec.In.Format.Type == PACKET_AUDIO)
{
PacketFormatClear(&p->Codec.Out.Format);
p->Codec.Out.Format.Type = PACKET_AUDIO;
p->Codec.Out.Format.Format.Audio.Format = AUDIOFMT_PCM;
p->Codec.Out.Format.Format.Audio.Bits = 16;
p->Codec.Out.Format.Format.Audio.FracBits = 15;
p->Codec.Out.Format.Format.Audio.Channels = 2;
p->Codec.Out.Format.Format.Audio.SampleRate = 44100;
p->Buffer = (int16_t*) malloc(BUFFERSIZE*2*sizeof(int16_t));
if (!p->Buffer)
return ERR_OUT_OF_MEMORY;
}
return ERR_NONE;
}
static int Init(asap* p)
{
format_stream* s;
p->Format.HeaderLoaded = 1;
p->Format.TimeStamps = 0;
p->Format.Duration = 60*5*TICKSPERSEC;
p->Total = Scale(p->Format.Duration,SAMPLE_RATE,TICKSPERSEC);
ASAP_Initialize(SAMPLE_RATE, AUDIO_FORMAT_S16_NE, 3);
if (!Load(p))
return ERR_NOT_SUPPORTED;
p->Buffer = malloc(BUFFER_SIZE);
if (!p->Buffer)
return ERR_OUT_OF_MEMORY;
s = Format_AddStream(&p->Format,sizeof(format_stream));
if (!s)
return ERR_OUT_OF_MEMORY;
PacketFormatClear(&s->Format);
s->Format.Type = PACKET_AUDIO;
s->Format.Format.Audio.Format = AUDIOFMT_PCM;
s->Format.Format.Audio.Bits = 16;
s->Format.Format.Audio.SampleRate = SAMPLE_RATE;
s->Format.Format.Audio.Channels = ASAP_GetChannels();
PacketFormatDefault(&s->Format);
s->Fragmented = 1;
s->DisableDrop = 1;
p->SamplePerBuffer = BUFFER_SIZE/2/s->Format.Format.Audio.Channels;
Format_PrepairStream(&p->Format,s);
return ERR_NONE;
}
static bool_t VorbisHeader(ogg* p,oggstream* s)
{
tchar_t URL[MAXPATH];
if (vorbis_synthesis_headerin(&s->Info,&s->Comment,&s->OggPacket)<0)
return 0;
PacketFormatClear(&s->Stream.Format);
s->Stream.Format.Type = PACKET_AUDIO;
s->Stream.Format.Format.Audio.Channels = s->Info.channels;
s->Stream.Format.Format.Audio.SampleRate = s->Info.rate;
s->Stream.Format.ByteRate = s->Info.bitrate_nominal >> 3;
if (p->Format.Reader->Input->Get(p->Format.Reader->Input,STREAM_URL,URL,sizeof(URL))==ERR_NONE &&
CheckExts(URL,T("ogg:A")) != 0)
s->Stream.Format.Format.Audio.Format = AUDIOFMT_VORBIS_INTERNAL_AUDIO;
else
s->Stream.Format.Format.Audio.Format = AUDIOFMT_VORBIS_INTERNAL_VIDEO;
s->Vorbis = 1;
s->MediaRateDen = TICKSPERSEC;
s->MediaRateNum = s->Info.rate;
return 1;
}
static int Init(tta* p)
{
int ret;
format_stream* s;
p->Format.HeaderLoaded = 1;
p->Format.TimeStamps = 0;
p->Decoder.Reader = p->Format.Reader;
ret = open_tta_file(&p->Decoder, 0);
if (ret != 0)
return ERR_INVALID_DATA;
ret = player_init(&p->Decoder);
if (ret != 0)
return ERR_INVALID_DATA;
p->Samples = 0;
s = Format_AddStream(&p->Format,sizeof(format_stream));
if (s)
{
PacketFormatClear(&s->Format);
s->Format.Type = PACKET_AUDIO;
s->Format.Format.Audio.Format = AUDIOFMT_PCM;
s->Format.Format.Audio.Bits = p->Decoder.BPS;
s->Format.Format.Audio.SampleRate = p->Decoder.SAMPLERATE;
s->Format.Format.Audio.Channels = p->Decoder.NCH;
PacketFormatDefault(&s->Format);
s->Format.ByteRate = (int)p->Decoder.BITRATE * 125;
s->PacketBurst = 1;
s->Fragmented = 1;
s->DisableDrop = 1;
p->Format.Duration = (tick_t)(((int64_t)p->Decoder.DATALENGTH * TICKSPERSEC) / s->Format.Format.Audio.SampleRate);
Format_PrepairStream(&p->Format,s);
if (p->Format.Comment.Node)
{
// id3v1
format_reader* Reader = p->Format.Reader;
char Buffer[ID3V1_SIZE];
filepos_t Save = Reader->Input->Seek(Reader->Input,0,SEEK_CUR);
if (Save>=0 && Reader->Input->Seek(Reader->Input,-(int)sizeof(Buffer),SEEK_END)>=0)
{
if (Reader->Input->Read(Reader->Input,Buffer,sizeof(Buffer)) == sizeof(Buffer))
ID3v1_Parse(Buffer,&p->Format.Comment);
Reader->Input->Seek(Reader->Input,Save,SEEK_SET);
}
}
p->SampleRate = s->Format.Format.Audio.SampleRate;
p->SampleSize = p->Decoder.BSIZE * s->Format.Format.Audio.Channels;
}
p->BufferLen = PCM_BUFFER_LENGTH;
p->Buffer = (uint8_t*)malloc(p->SampleSize*p->BufferLen);
if (!p->Buffer)
return ERR_OUT_OF_MEMORY;
return ERR_NONE;
}
static bool_t BuildOutputFormat(ffmpeg_video* p)
{
int pix_fmt = p->Context->pix_fmt;
if (pix_fmt<0)
pix_fmt = PIX_FMT_YUV420P; // is this needed?
PacketFormatClear(&p->Codec.Out.Format);
p->Codec.Out.Format.Type = PACKET_VIDEO;
switch (pix_fmt)
{
case PIX_FMT_YUV410P:
p->Codec.Out.Format.Format.Video.Pixel.Flags = PF_YUV410;
break;
case PIX_FMT_YUV420P:
p->Codec.Out.Format.Format.Video.Pixel.Flags = PF_YUV420;
break;
case PIX_FMT_BGR24:
DefaultRGB(&p->Codec.Out.Format.Format.Video.Pixel,24,8,8,8,0,0,0);
break;;
case PIX_FMT_RGB32:
DefaultRGB(&p->Codec.Out.Format.Format.Video.Pixel,32,8,8,8,0,0,0);
break;
case PIX_FMT_RGB555:
DefaultRGB(&p->Codec.Out.Format.Format.Video.Pixel,16,5,5,5,0,0,0);
break;
case PIX_FMT_PAL8:
p->Codec.Out.Format.Format.Video.Pixel.Flags = PF_PALETTE;
p->Codec.Out.Format.Format.Video.Pixel.BitCount = 8;
p->Codec.Out.Format.Format.Video.Pixel.Palette = p->Codec.In.Format.Format.Video.Pixel.Palette;
break;
default:
return 0;
}
p->Aspect = p->Context->sample_aspect_ratio;
p->Codec.Out.Format.Format.Video.Aspect = p->Codec.In.Format.Format.Video.Aspect;
if (p->Context->sample_aspect_ratio.num>0 && !p->Codec.Out.Format.Format.Video.Aspect)
p->Codec.Out.Format.Format.Video.Aspect = Scale(ASPECT_ONE,p->Context->sample_aspect_ratio.num,p->Context->sample_aspect_ratio.den);
p->Codec.In.Format.Format.Video.Width = p->Codec.Out.Format.Format.Video.Width = p->Context->width;
p->Codec.In.Format.Format.Video.Height = p->Codec.Out.Format.Format.Video.Height = p->Context->height;
if (p->Picture->linesize[0])
p->Codec.Out.Format.Format.Video.Pitch = p->Picture->linesize[0];
else
DefaultPitch(&p->Codec.Out.Format.Format.Video);
p->PixelFormat = p->Context->pix_fmt;
if (p->Context->bit_rate > 0 && p->Context->bit_rate < 100000000)
p->Codec.In.Format.ByteRate = p->Context->bit_rate/8;
if (p->Context->time_base.num > 0)
{
p->Codec.In.Format.PacketRate.Num = p->Context->time_base.den;
p->Codec.In.Format.PacketRate.Den = p->Context->time_base.num;
p->FrameTime = Scale(TICKSPERSEC,p->Codec.In.Format.PacketRate.Den,p->Codec.In.Format.PacketRate.Num);
}
else
p->FrameTime = TIME_UNKNOWN;
//ShowMessage("","%d %d %d",p->Context->pix_fmt,p->Context->width,p->Context->height);
return 1;
}
static int UpdateInput(waveout_base* p)
{
if (p->Done)
p->Done(p);
p->Total = 0;
p->Dropped = 0;
if (p->Input.Type == PACKET_AUDIO)
{
int Result;
int Try;
if (p->Input.Audio.Format != AUDIOFMT_PCM)
{
PacketFormatClear(&p->Input);
return ERR_INVALID_DATA;
}
if (p->Input.Audio.Channels == 0)
return ERR_NONE;
AlignRate(&p->Input.Audio.SampleRate,8000);
AlignRate(&p->Input.Audio.SampleRate,11025);
AlignRate(&p->Input.Audio.SampleRate,16000);
AlignRate(&p->Input.Audio.SampleRate,22050);
AlignRate(&p->Input.Audio.SampleRate,44100);
PacketFormatClear(&p->Output);
p->Output.Type = PACKET_AUDIO;
p->Output.Audio = p->Input.Audio;
p->Output.Audio.Flags = 0;
p->Dither = 0;
if (p->Stereo==1)
p->Output.Audio.Flags |= PCM_SWAPEDSTEREO;
else
if (p->Stereo>1)
{
p->Output.Audio.Channels = 1;
if (p->Stereo==3)
p->Output.Audio.Flags |= PCM_ONLY_LEFT;
if (p->Stereo==4)
p->Output.Audio.Flags |= PCM_ONLY_RIGHT;
}
switch (p->Quality)
{
case 0: // low quality for very poor devices
p->Output.Audio.Bits = 8;
p->Output.Audio.FracBits = 7;
p->Output.Audio.Channels = 1;
p->Output.Audio.SampleRate = 22050;
break;
case 1: // no dither and only standard samplerate
if (p->Output.Audio.Bits > 8)
{
p->Output.Audio.Bits = 16;
p->Output.Audio.FracBits = 15;
}
else
{
p->Output.Audio.Bits = 8;
p->Output.Audio.FracBits = 7;
}
if (p->Output.Audio.SampleRate >= 44100)
p->Output.Audio.SampleRate = 44100;
else
p->Output.Audio.SampleRate = 22050;
break;
default:
case 2: // original samplerate
if (p->Output.Audio.Bits > 8)
{
p->Output.Audio.Bits = 16;
p->Output.Audio.FracBits = 15;
}
else
{
p->Output.Audio.Bits = 8;
p->Output.Audio.FracBits = 7;
}
p->Dither = 1;
break;
}
for (Try=0;Try<5;++Try)
{
if (p->Output.Audio.Bits <= 8)
p->Output.Audio.Flags |= PCM_UNSIGNED;
Result = p->Init(p);
if (Result == ERR_NONE)
break;
if (p->Done)
p->Done(p);
if (Try==0)
{
if (p->Output.Audio.SampleRate > 36000)
p->Output.Audio.SampleRate = 44100;
else
++Try;
}
if (Try==1)
{
if (p->Output.Audio.SampleRate != 22050)
p->Output.Audio.SampleRate = 22050;
else
++Try;
}
if (Try==2)
{
if (p->Output.Audio.Channels > 1)
p->Output.Audio.Channels = 1;
else
++Try;
}
if (Try==3)
{
if (p->Output.Audio.Bits != 8)
{
p->Output.Audio.Bits = 8;
p->Output.Audio.FracBits = 7;
}
else
++Try;
}
}
if (Try==5)
{
PacketFormatClear(&p->Input);
if (Result == ERR_DEVICE_ERROR)
ShowError(p->Node.Class,ERR_ID,Result);
return Result;
}
}
else
if (p->Input.Type != PACKET_NONE)
return ERR_INVALID_DATA;
return ERR_NONE;
}
static bool_t OGMHeader(ogg* p, oggstream* s, const char* Data, int Length )
{
int i;
if (Length<40 || (*Data & PACKET_TYPE_BITS) != PACKET_TYPE_HEADER)
return 0;
if (strncmp(Data+1, "Direct Show Samples embedded in Ogg", 35) == 0)
{
// old header
if (INT32LE(*(int32_t*)(Data+96)) == 0x05589F80)
{
PacketFormatClear(&s->Stream.Format);
s->Stream.Format.Type = PACKET_VIDEO;
s->Stream.Format.Format.Video.Width = INT32LE(*(int32_t*)(Data+176));
s->Stream.Format.Format.Video.Height = INT32LE(*(int32_t*)(Data+180));
s->Stream.Format.Format.Video.Pixel.FourCC = INT32LE(*(int32_t*)(Data+68));
s->Stream.Format.Format.Video.Pixel.BitCount = INT16LE(*(int16_t*)(Data+182));
i = INT16LE(*(int16_t*)(Data+136)); // extrasize
if (i && PacketFormatExtra(&s->Stream.Format,i))
memcpy(s->Stream.Format.Extra,Data+142,s->Stream.Format.ExtraLength);
s->MediaRateDen = INT64LE(*(int32_t*)(Data+164))*TICKSPERSEC;
s->MediaRateNum = 10000000;
s->DefaultLen = 1;
FrameRate(&s->Stream.Format.PacketRate,s->MediaRateNum,s->MediaRateDen/TICKSPERSEC);
return 1;
}
if (INT32LE(*(int32_t*)(Data+96)) == 0x05589F81)
{
PacketFormatClear(&s->Stream.Format);
s->Stream.Format.Type = PACKET_AUDIO;
s->Stream.Format.Format.Audio.Format = INT16LE(*(int16_t*)(Data+124));
s->Stream.Format.Format.Audio.Channels = INT16LE(*(int16_t*)(Data+126));
s->Stream.Format.Format.Audio.BlockAlign = INT16LE(*(int16_t*)(Data+136));
s->Stream.Format.Format.Audio.Bits = INT16LE(*(int16_t*)(Data+138));
s->Stream.Format.Format.Audio.SampleRate = INT32LE(*(int32_t*)(Data+128));
s->Stream.Format.ByteRate = INT32LE(*(int32_t*)(p+132));
i = INT16LE(*(int16_t*)(Data+136)); // extrasize
if (i && PacketFormatExtra(&s->Stream.Format,i))
memcpy(s->Stream.Format.Extra,Data+142,s->Stream.Format.ExtraLength);
s->MediaRateDen = TICKSPERSEC;
s->MediaRateNum = INT32LE(*(int32_t*)(Data+128));
s->DefaultLen = 1;
return 1;
}
}
else
if (Length >= sizeof(ogm_header)+1)
{
ogm_header Head;
memcpy(&Head,Data+1,sizeof(Head));
// new header
if (strncmp(Head.streamtype, MT_Video, strlen(MT_Video)) == 0)
{
PacketFormatClear(&s->Stream.Format);
s->Stream.Format.Type = PACKET_VIDEO;
s->Stream.Format.Format.Video.Width = INT32LE(Head.format.video.width);
s->Stream.Format.Format.Video.Height = INT32LE(Head.format.video.height);
s->Stream.Format.Format.Video.Pixel.FourCC = INT32LE(*(int32_t*)Head.subtype);
s->Stream.Format.Format.Video.Pixel.BitCount = INT16LE(Head.bits_per_sample);
s->MediaRateDen = INT64LE(Head.time_unit)*TICKSPERSEC;
s->MediaRateNum = INT64LE(Head.samples_per_unit) * 10000000;
s->DefaultLen = INT32LE(Head.default_len);
FrameRate(&s->Stream.Format.PacketRate,s->MediaRateNum,s->MediaRateDen/TICKSPERSEC);
i = Length - (sizeof(ogm_header)+1);
if (i && PacketFormatExtra(&s->Stream.Format,i))
memcpy(s->Stream.Format.Extra,Data+1+sizeof(ogm_header),s->Stream.Format.ExtraLength);
return 1;
}
if (strncmp(Head.streamtype, MT_Audio, strlen(MT_Audio)) == 0)
{
PacketFormatClear(&s->Stream.Format);
s->Stream.Format.Type = PACKET_AUDIO;
s->Stream.Format.Format.Audio.Format = 0;
for (i=0;i<4;++i)
if (Head.subtype[i])
s->Stream.Format.Format.Audio.Format = s->Stream.Format.Format.Audio.Format*16+Hex(Head.subtype[i]);
s->Stream.Format.Format.Audio.Channels = INT16LE(Head.format.audio.channels);
s->Stream.Format.Format.Audio.Bits = INT16LE(Head.bits_per_sample);
s->Stream.Format.Format.Audio.BlockAlign = INT16LE(Head.format.audio.blockalign);
s->Stream.Format.ByteRate = INT32LE(Head.format.audio.avgbytespersec);
s->Stream.Format.Format.Audio.SampleRate = (int)INT64LE(Head.samples_per_unit);
s->MediaRateDen = INT64LE(Head.time_unit)*TICKSPERSEC;
s->MediaRateNum = INT64LE(Head.samples_per_unit) * 10000000;
s->DefaultLen = INT32LE(Head.default_len);
i = Length - (sizeof(ogm_header)+1);
if (i && PacketFormatExtra(&s->Stream.Format,i))
memcpy(s->Stream.Format.Extra,Data+1+sizeof(ogm_header),s->Stream.Format.ExtraLength);
return 1;
}
if (strncmp(Data+1, MT_Text, strlen(MT_Text)) == 0)
{
PacketFormatClear(&s->Stream.Format);
s->Stream.Format.Type = PACKET_SUBTITLE;
s->Stream.Format.Format.Subtitle.FourCC = SUBTITLE_OEM; //???
s->MediaRateDen = INT64LE(Head.time_unit)*TICKSPERSEC;
s->MediaRateNum = INT64LE(Head.samples_per_unit) * 10000000;
s->DefaultLen = INT32LE(Head.default_len);
i = Length - (sizeof(ogm_header)+1);
if (i && PacketFormatExtra(&s->Stream.Format,i))
memcpy(s->Stream.Format.Extra,Data+1+sizeof(ogm_header),s->Stream.Format.ExtraLength);
return 1;
}
}
return 0;
}
static int ReadPacket(flv* p, format_reader* Reader, format_packet* Packet)
{
format_stream* s;
int i, type, size, TimeStamp, flags, is_audio;
int64_t next;
bool_t isNewStream = 0;
filepos_t startfilepos;
startfilepos = Reader->FilePos;
for (;;)
{
Reader->Skip(Reader, 4);//prvious type size
type = Reader->Read8(Reader);
size = ReadBE24(Reader);
TimeStamp = ReadBE24(Reader);
if (Reader->Eof(Reader))
{
return ERR_END_OF_FILE;
}
// Reserved
Reader->Skip(Reader, 4);
flags = 0;
if (size == 0)
continue;
next = size + Reader->FilePos;
if (type == FLV_TAG_TYPE_AUDIO)
{
is_audio = 1;
flags = Reader->Read8(Reader);
size--;
p->bHasA = 1;
}
else if (type == FLV_TAG_TYPE_VIDEO)
{
is_audio = 0;
flags = Reader->Read8(Reader);
size--;
p->bHasV = 1;
}
else if (type == FLV_TAG_TYPE_META && size > 13+1+4)
{
if(flv_read_metabody(p,Reader, next)<0)
{
Reader->Seek(Reader,(filepos_t)next,SEEK_SET);
}
continue;
}
else
{
// Skip the packet
Reader->Skip(Reader, size);
continue;
}
// Now find stream
s = NULL;
for (i=0;i<p->Format.StreamCount;++i)
{
if (p->Format.Streams[i]->Id == is_audio)
{
s = p->Format.Streams[i];
break;
}
}
if (!s)
{
s = Format_AddStream(&p->Format,sizeof(format_stream));
if (!s)
return ERR_OUT_OF_MEMORY;
s->Id = is_audio;
isNewStream = 1;
s->Format.PacketRate.Den = 24;
s->Format.PacketRate.Num = 1000;
}
break;
}
if(is_audio)
{
if (isNewStream)
{
int bInited = 0;
PacketFormatClear(&s->Format);
s->Format.Type = PACKET_AUDIO;
s->Format.Format.Audio.Channels = (flags&1)+1;
if((flags >> 4) == 5)
s->Format.Format.Audio.SampleRate = 8000;
else
s->Format.Format.Audio.SampleRate = (44100<<((flags>>2)&3))>>3;
switch(flags >> 4)
{/* 0: uncompressed 1: ADPCM 2: mp3 5: Nellymoser 8kHz mono 6: Nellymoser */
case FLV_CODECID_PCM:
s->Format.Format.Audio.Format = AUDIOFMT_PCM;
if (!(flags&2))
{
s->Format.Format.Audio.Bits = 8;
s->Format.Format.Audio.FracBits = 7;
bInited = 1;
}
break;
case FLV_CODECID_ADPCM:
s->Format.Format.Audio.Format = AUDIOFMT_ADPCM_SWF;
break;
case FLV_CODECID_MP3:
s->Format.Format.Audio.Format = AUDIOFMT_MP3;
break;
case FLV_CODECID_PCM_LE:
s->Format.Format.Audio.Format = AUDIOFMT_PCM;
if (!(flags&2))
{
s->Format.Format.Audio.Bits = 8;
s->Format.Format.Audio.FracBits = 7;
bInited = 1;
}
break;
case FLV_CODECID_NELLYMOSER_8KHZ_MONO:
s->Format.Format.Audio.SampleRate = 8000;
case FLV_CODECID_NELLYMOSER:
s->Format.Format.Audio.Format = AUDIOFMT_NELLYMOSER;
break;
case FLV_CODECID_AAC:
{
format_stream* s;
int type = Reader->Read8(Reader);
size--;
if(type == 0)
{
s = p->Format.Streams[p->Format.StreamCount-1];
if (PacketFormatExtra(&s->Format,size))
Reader->Read(Reader,s->Format.Extra,size);
}
s->Format.Format.Audio.Format = AUDIOFMT_AAC;
Format_PrepairStream(&p->Format, s);
}
return ERR_NONE;
case FLV_CODECID_SPEEX:
s->Format.Format.Audio.Format = AUDIOFMT_SPEEX;
s->Format.Format.Audio.SampleRate = 16000;
break;
default:
return ERR_NOT_SUPPORTED;
}
if(!bInited)
{
s->Format.Format.Audio.Bits = 16;
s->Format.Format.Audio.FracBits = 15;
}
s->Format.ByteRate = s->Format.Format.Audio.SampleRate * s->Format.Format.Audio.Channels * 2;
Format_PrepairStream(&p->Format,s);
}
}
static void Delete(codecidct* p)
{
PacketFormatClear(&p->In.Format);
if (p->UpdateInput)
p->UpdateInput(p);
}
