//---------------------------------------------------------------------------
// Packet "B0"
void File_AvsV::video_sequence_start()
{
Element_Name("video_sequence_start");
//Parsing
int32u bit_rate_upper, bit_rate_lower;
Get_B1 ( profile_id, "profile_id");
Get_B1 ( level_id, "level_id");
BS_Begin();
Get_SB ( progressive_sequence, "progressive_sequence");
Get_S2 (14, horizontal_size, "horizontal_size");
Get_S2 (14, vertical_size, "vertical_size");
Get_S1 ( 2, chroma_format, "chroma_format");
Skip_S1( 3, "sample_precision");
Get_S1 ( 4, aspect_ratio, "aspect_ratio"); Param_Info(AvsV_aspect_ratio[aspect_ratio]);
Get_S1 ( 4, frame_rate_code, "frame_rate_code"); Param_Info(AvsV_frame_rate[frame_rate_code]);
Get_S3 (18, bit_rate_lower, "bit_rate_lower");
Mark_1 ();
Get_S3 (12, bit_rate_upper, "bit_rate_upper");
bit_rate=(bit_rate_upper<<18)+bit_rate_lower; Param_Info(bit_rate*8, " bps");
Get_SB ( low_delay, "low_delay");
Mark_1 ();
Skip_S3(18, "bbv_buffer_size");
Skip_SB( "reserved");
Skip_SB( "reserved");
Skip_SB( "reserved");
BS_End();
//Not sure, but the 3 first official files have this
if (Element_Size-Element_Offset)
{
BS_Begin();
Mark_1();
BS_End();
}
FILLING_BEGIN();
//NextCode
NextCode_Clear();
NextCode_Add(0xB2); //user_data_start
NextCode_Add(0xB3); //picture_start (I)
NextCode_Add(0xB5); //extension_start
//Autorisation of other streams
Streams[0xB1].Searching_Payload=true, //video_sequence_end
Streams[0xB2].Searching_Payload=true; //user_data_start
Streams[0xB3].Searching_Payload=true, //picture_start (I)
Streams[0xB4].Searching_Payload=true, //reserved
Streams[0xB5].Searching_Payload=true; //extension_start
Streams[0xB6].Searching_Payload=true, //picture_start (P or B)
Streams[0xB7].Searching_Payload=true; //video_edit
Streams[0xB8].Searching_Payload=true, //reserved
video_sequence_start_IsParsed=true;
FILLING_END();
}
//---------------------------------------------------------------------------
// Packet "B5"
void File_AvsV::extension_start()
{
Element_Name("Extension");
//Parsing
int8u extension_start_code_identifier;
BS_Begin();
Get_S1 ( 4, extension_start_code_identifier, "extension_start_code_identifier"); Param_Info(AvsV_extension_start_code_identifier[extension_start_code_identifier]);
Element_Info(AvsV_extension_start_code_identifier[extension_start_code_identifier]);
switch (extension_start_code_identifier)
{
case 2 :{ //sequence_display
//Parsing
Get_S1 ( 3, video_format, "video_format"); Param_Info(AvsV_video_format[video_format]);
Skip_SB( "sample_range");
TEST_SB_SKIP( "colour_description");
Skip_S1( 8, "colour_primaries");
Skip_S1( 8, "transfer_characteristics");
Skip_S1( 8, "matrix_coefficients");
TEST_SB_END();
Get_S2 (14, display_horizontal_size, "display_horizontal_size");
Mark_1 ();
Get_S2 (14, display_vertical_size, "display_vertical_size");
Skip_SB( "reserved");
Skip_SB( "reserved");
BS_End();
}
break;
case 4 :{ //copyright
//Parsing
Skip_SB( "copyright_flag");
Skip_S1( 8, "copyright_id");
Skip_SB( "original_or_copy");
Skip_S1( 7, "reserved");
Mark_1 ();
Info_S3(20, copyright_number_1, "copyright_number_1");
Mark_1 ();
Info_S3(22, copyright_number_2, "copyright_number_2");
Mark_1 ();
Info_S3(22, copyright_number_3, "copyright_number_3"); Param_Info(Ztring::ToZtring(((int64u)copyright_number_1<<44)+((int64u)copyright_number_2<<22)+(int64u)copyright_number_3, 16));
BS_End();
}
break;
case 11 :{ //camera_parameters
//Parsing
Skip_SB( "reserved");
Skip_S1( 7, "camera_id");
Mark_1 ();
Skip_S3(22, "height_of_image_device");
Mark_1 ();
Skip_S3(22, "focal_length");
Mark_1 ();
Skip_S3(22, "f_number");
Mark_1 ();
Skip_S3(22, "vertical_angle_of_view");
Mark_1 ();
Skip_S3(16, "camera_position_x_upper");
Mark_1 ();
Skip_S3(16, "camera_position_x_lower");
Mark_1 ();
Skip_S3(16, "camera_position_y_upper");
Mark_1 ();
Skip_S3(16, "camera_position_y_lower");
Mark_1 ();
Skip_S3(16, "camera_position_z_upper");
Mark_1 ();
Skip_S3(16, "camera_position_z_lower");
Mark_1 ();
Skip_S3(22, "camera_direction_x");
Mark_1 ();
Skip_S3(22, "camera_direction_y");
Mark_1 ();
Skip_S3(22, "camera_direction_z");
Mark_1 ();
Skip_S3(22, "camera_plane_vertical_x");
Mark_1 ();
Skip_S3(22, "camera_plane_vertical_y");
Mark_1 ();
Skip_S3(22, "camera_plane_vertical_z");
Mark_1 ();
Skip_S4(32, "reserved");
BS_End();
}
break;
default:{
//Parsing
Skip_S1(4, "data");
BS_End();
Skip_XX(Element_Size-Element_Offset, "data");
}
}
//Not sure, but the 3 first official files have this
if (Element_Size-Element_Offset)
{
BS_Begin();
Mark_1();
BS_End();
}
FILLING_BEGIN();
//NextCode
NextCode_Test();
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Adif::FileHeader_Parse()
{
//Parsing
Ztring comment_field_data;
int32u bitrate;
int8u num_program_config_elements;
int8u object_type=(int8u)-1;
int8u sampling_frequency_index=(int8u)-1;
int8u num_front_channel_elements=(int8u)-1;
int8u num_side_channel_elements=(int8u)-1;
int8u num_back_channel_elements=(int8u)-1;
int8u num_lfe_channel_elements=(int8u)-1;
int8u num_assoc_data_elements;
int8u num_valid_cc_elements;
bool bitstream_type;
Skip_C4( "adif_id");
BS_Begin();
TEST_SB_SKIP( "copyright_id_present");
Skip_S4(32, "copyright_id");
Skip_S4(32, "copyright_id");
Skip_S4( 8, "copyright_id");
TEST_SB_END();
Skip_SB( "original_copy");
Skip_SB( "home");
Get_SB ( bitstream_type, "bitstream_type"); Param_Info(bitstream_type?"VBR":"CBR");
Get_S3 (23, bitrate, "bitrate");
Get_S1 ( 4, num_program_config_elements, "num_program_config_elements");
if (!bitstream_type)
Skip_S3(20, "adif_buffer_fullness");
for (int8u Pos=0; Pos<num_program_config_elements+1; Pos++)
{
Element_Begin("program_config_element");
int8u comment_field_bytes;
Skip_S1(4, "element_instance_tag");
Get_S1 (2, object_type, "object_type"); Param_Info(ADIF_object_type[object_type]);
Get_S1 (4, sampling_frequency_index, "sampling_frequency_index"); Param_Info(ADIF_sampling_frequency[sampling_frequency_index]);
Get_S1 (4, num_front_channel_elements, "num_front_channel_elements");
Get_S1 (4, num_side_channel_elements, "num_side_channel_elements");
Get_S1 (4, num_back_channel_elements, "num_back_channel_elements");
Get_S1 (2, num_lfe_channel_elements, "num_lfe_channel_elements");
Get_S1 (3, num_assoc_data_elements, "num_assoc_data_elements");
Get_S1 (4, num_valid_cc_elements, "num_valid_cc_elements");
TEST_SB_SKIP( "mono_mixdown_present");
Skip_S1(4, "mono_mixdown_element_number");
TEST_SB_END();
TEST_SB_SKIP( "stereo_mixdown_present");
Skip_S1(4, "stereo_mixdown_element_number");
TEST_SB_END();
TEST_SB_SKIP( "matrix_mixdown_idx_present");
Skip_S1(2, "matrix_mixdown_idx");
Skip_S1(2, "pseudo_surround_enable");
TEST_SB_END();
for (int8u Pos2=0; Pos2<num_front_channel_elements; Pos2++)
{
Element_Begin("front_channel_element");
Skip_SB( "front_element_is_cpe");
Skip_S1(4, "front_element_tag_select");
Element_End();
}
for (int8u Pos2=0; Pos2<num_side_channel_elements; Pos2++)
{
Element_Begin("side_channel_element");
Skip_SB( "back_element_is_cpe");
Skip_S1(4, "back_element_tag_select");
Element_End();
}
for (int8u Pos2=0; Pos2<num_back_channel_elements; Pos2++)
{
Element_Begin("back_channel_element");
Skip_SB( "back_element_is_cpe");
Skip_S1(4, "back_element_tag_select");
Element_End();
}
for (int8u Pos2=0; Pos2<num_lfe_channel_elements; Pos2++)
{
Element_Begin("lfe_channel_element");
Skip_S1(4, "lfe_element_tag_select");
Element_End();
}
for (int8u Pos2=0; Pos2<num_assoc_data_elements; Pos2++)
{
Element_Begin("assoc_data_element");
Skip_S1(4, "assoc_data_element_tag_select");
Element_End();
}
for (int8u Pos2=0; Pos2<num_valid_cc_elements; Pos2++)
{
Element_Begin("valid_cc_element");
Skip_SB( "cc_element_is_ind_sw");
Skip_S1(4, "valid_cc_element_tag_select");
Element_End();
}
BS_End();
Get_B1 (comment_field_bytes, "comment_field_bytes");
if (comment_field_bytes>0)
Get_Local(comment_field_bytes, comment_field_data, "comment_field_data");
BS_Begin();
Element_End();
//We only support 1 element in ADIF
Pos=num_program_config_elements;
}
BS_End();
FILLING_BEGIN();
File__Tags_Helper::Stream_Prepare(Stream_General);
Fill(Stream_General, 0, General_Format, "ADIF");
Fill(Stream_General, 0, General_Comment, comment_field_data);
File__Tags_Helper::Stream_Prepare(Stream_Audio);
Fill (Stream_Audio, 0, Audio_Format, "AAC");
Fill (Stream_Audio, 0, Audio_Format_Version, "Version 2");
if (object_type!=(int8u)-1)
Fill (Stream_Audio, 0, Audio_Format_Profile, ADIF_Format_Profile[object_type]);
Fill (Stream_Audio, 0, Audio_Codec, ADIF_object_type[object_type]);
Fill(Stream_Audio, 0, Audio_BitRate_Mode, bitstream_type?"VBR":"CBR");
if (bitrate>0)
Fill(Stream_Audio, 0, bitstream_type?Audio_BitRate_Maximum:Audio_BitRate, bitrate);
if (sampling_frequency_index!=(int8u)-1)
Fill(Stream_Audio, 0, Audio_SamplingRate, ADIF_sampling_frequency[sampling_frequency_index]);
if (num_front_channel_elements!=(int8u)-1)
Fill(Stream_Audio, 0, Audio_Channel_s_, num_front_channel_elements+num_side_channel_elements+num_back_channel_elements+num_lfe_channel_elements);
Fill(Stream_Audio, 0, Audio_Resolution, 16);
Fill(Stream_Audio, 0, Audio_MuxingMode, "ADIF");
//No more need data
File__Tags_Helper::Accept("ADIF");
File__Tags_Helper::Finish("ADIF");
FILLING_END();
}
//---------------------------------------------------------------------------
void File_H263::Data_Parse()
{
//Parsing
int8u Temporal_Reference_Temp;
BS_Begin();
Skip_S3(22, "Picture Start Code (PSC)");
Get_S1 ( 8, Temporal_Reference_Temp, "Temporal Reference (TR)");
if (!Temporal_Reference_IsValid)
{
Temporal_Reference=Temporal_Reference_Temp;
Temporal_Reference_IsValid=true;
}
else
Temporal_Reference++;
if (Temporal_Reference_Temp!=Temporal_Reference)
{
Trusted_IsNot("Out of Order");
Open_Buffer_Unsynch();
return;
}
Element_Begin1("Type Information (PTYPE)");
Mark_1();
Mark_0();
Skip_SB( "Split screen indicator");
Skip_SB( "Document camera indicator");
Skip_SB( "Full Picture Freeze Release");
Get_S1 (3, Source_Format, "Source Format"); Param_Info1(H263_Source_Format[Source_Format]);
if (Source_Format!=7)
{
Skip_SB( "Picture Coding Type");
Skip_SB( "Unrestricted Motion Vector mode");
Skip_SB( "Syntax-based Arithmetic Coding mode");
Skip_SB( "Advanced Prediction mode");
Skip_SB( "PB-frames mode");
}
Element_End0();
if (Source_Format==7) // Extended PTYPE
{
Element_Begin1("Plus PTYPE (PLUSPTYPE)");
int8u Ufep, PixelAspectRatioCode=0, Width=0, Height=0;
Get_S1 ( 3, Ufep, "Update Full Extended PTYPE (UFEP)");
switch (Ufep)
{
case 0 :
break;
case 1 :
Element_Begin1("Optional Part of PLUSPTYPE (OPPTYPE)");
Get_S1 (3, Source_Format, "Source Format"); Param_Info1(H263_Source_Format[Source_Format]);
Skip_SB( "Custom PCF");
Skip_SB( "Unrestricted Motion Vector (UMV) mode");
Skip_SB( "Syntax-based Arithmetic Coding (SAC) mode");
Skip_SB( "Advanced Prediction (AP) mode");
Skip_SB( "Advanced INTRA Coding (AIC) mode");
Skip_SB( "Deblocking Filter (DF) mode");
Skip_SB( "Slice Structured (SS) mode");
Skip_SB( "Reference Picture Selection (RPS) mode");
Skip_SB( "Independent Segment Decoding (ISD) mode");
Skip_SB( "Alternative INTER VLC (AIV) mode");
Skip_SB( "Modified Quantization (MQ) mode");
Mark_1();
Mark_0();
Mark_0();
Mark_0();
Element_End0();
break;
default :
BS_End();
Skip_XX(Element_Size-Element_Offset, "Unknown");
return; //TODO: frame count...
}
Element_Begin1("mandatory part of PLUSPTYPE when PLUSPTYPE present (MPPTYPE)");
Skip_S1(3, "Picture Type Code");
Skip_SB( "Reference Picture Resampling (RPR) mode");
Skip_SB( "Reduced-Resolution Update (RRU) mode");
Skip_SB( "Rounding Type (RTYPE)");
Mark_0();
Mark_0();
Mark_1();
Element_End0();
Element_End0();
Skip_SB( "CPM");
Skip_S1(2, "PSBI");
Element_Begin1("Custom Picture Format (CPFMT)");
Get_S1 (4, PixelAspectRatioCode, "Pixel Aspect Ratio Code");
Get_S1 (4, Width, "Picture Width Indication");
Width++; Width<<=2; Param_Info2(Width, " pixels");
Mark_1();
Get_S1 (4, Height, "Picture Height Indication");
Height<<=2; Param_Info2(Height, " pixels");
Element_End0();
if (PixelAspectRatioCode==0xF)
{
Element_Begin1("Extended Pixel Aspect Ratio (EPAR)");
Get_S1 (8, PAR_W, "PAR Width");
Get_S1 (8, PAR_H, "PAR Height");
Element_End0();
}
else
{
PAR_W=H263_PAR_W[PixelAspectRatioCode];
PAR_H=H263_PAR_H[PixelAspectRatioCode];
}
}
BS_End();
Skip_XX(Element_Size-Element_Offset, "Other data");
FILLING_BEGIN();
Element_Info1(Frame_Count);
Frame_Count++;
//Filling
if (!Status[IsFilled] && Frame_Count>=Frame_Count_Valid)
{
Accept("H.263");
Finish("H.263");
}
FILLING_END();
}
//---------------------------------------------------------------------------
void File_DolbyE::Block()
{
//Parsing
Skip_S3(BitDepth, "Synchro");
if (ScrambledBitStream)
{
//We must change the buffer
switch (BitDepth)
{
case 16 :
if (!Descramble_16bit())
return;
break;
case 20 :
if (!Descramble_20bit())
return;
break;
case 24 :
if (!Descramble_24bit())
return;
break;
default : ;
}
}
Skip_S2(14, "Unknown");
Get_S1 ( 6, ProgramConfiguration, "Program configuration"); Param_Info1(DolbyE_ChannelPositions[ProgramConfiguration]);
Get_S1 ( 4, FrameRate, "Frame rate 1"); Param_Info3(Mpegv_frame_rate[FrameRate], 3, " fps");
Skip_S1( 4, "Frame rate 2? Always same as Frame rate 1");
Skip_S2(16, "Frame number?");
Element_Begin1("SMPTE time code?");
int8u Frames_Units, Frames_Tens, Seconds_Units, Seconds_Tens, Minutes_Units, Minutes_Tens, Hours_Units, Hours_Tens;
bool DropFrame;
Skip_S1(4, "BG8");
Skip_S1(4, "BG7");
Skip_SB( "BGF2 / Field Phase");
Skip_SB( "BGF1");
Get_S1 (2, Hours_Tens, "Hours (Tens)");
Get_S1 (4, Hours_Units, "Hours (Units)");
Skip_S1(4, "BG6");
Skip_S1(4, "BG5");
Skip_SB( "BGF0 / BGF2");
Get_S1 (3, Minutes_Tens, "Minutes (Tens)");
Get_S1 (4, Minutes_Units, "Minutes (Units)");
Skip_S1(4, "BG4");
Skip_S1(4, "BG3");
Skip_SB( "FP - Field Phase / BGF0");
Get_S1 (3, Seconds_Tens, "Seconds (Tens)");
Get_S1 (4, Seconds_Units, "Seconds (Units)");
Skip_S1(4, "BG2");
Skip_S1(4, "BG1");
Skip_SB( "CF - Color fame");
Get_SB ( DropFrame, "DP - Drop frame");
Get_S1 (2, Frames_Tens, "Frames (Tens)");
Get_S1 (4, Frames_Units, "Frames (Units)");
Skip_BS(Data_BS_Remain(), "Unknown");
if (Hours_Tens<3)
{
int64u TimeCode=(int64u)(Hours_Tens *10*60*60*1000
+ Hours_Units *60*60*1000
+ Minutes_Tens *10*60*1000
+ Minutes_Units *60*1000
+ Seconds_Tens *10*1000
+ Seconds_Units *1000
+ (Mpegv_frame_rate[FrameRate]?float64_int32s((Frames_Tens*10+Frames_Units)*1000/Mpegv_frame_rate[FrameRate]):0));
Element_Info1(Ztring().Duration_From_Milliseconds(TimeCode));
//TimeCode
if (SMPTE_time_code_StartTimecode==(int64u)-1)
SMPTE_time_code_StartTimecode=TimeCode;
}
}
