diff options
| author | Carl Hetherington <cth@carlh.net> | 2016-01-16 15:58:56 +0000 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2016-01-16 15:58:56 +0000 |
| commit | e04eced93da1907e803c065a953ffe0d6540e1cb (patch) | |
| tree | cab897dea7c1a50c141ff948ff21e401038d0c07 /asdcplib/src/asdcp-unwrap.cpp | |
| parent | 485794f8322b090a22da841961025b19642e42a2 (diff) | |
Use asdclib-cth rather than in-tree copy.
Diffstat (limited to 'asdcplib/src/asdcp-unwrap.cpp')
| -rwxr-xr-x | asdcplib/src/asdcp-unwrap.cpp | 896 |
1 files changed, 0 insertions, 896 deletions
diff --git a/asdcplib/src/asdcp-unwrap.cpp b/asdcplib/src/asdcp-unwrap.cpp deleted file mode 100755 index b7b7fef..0000000 --- a/asdcplib/src/asdcp-unwrap.cpp +++ /dev/null @@ -1,896 +0,0 @@ -/* -Copyright (c) 2003-2012, John Hurst -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. -2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. -3. The name of the author may not be used to endorse or promote products - derived from this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR -IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES -OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. -IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, -INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT -NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF -THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ -/*! \file asdcp-unwrap.cpp - \version $Id: asdcp-unwrap.cpp,v 1.1 2012/02/03 19:49:57 jhurst Exp $ - \brief AS-DCP file manipulation utility - - This program extracts picture, sound and text essence from AS-DCP files. - - For more information about asdcplib, please refer to the header file AS_DCP.h -*/ - -#include <KM_fileio.h> -#include <WavFileWriter.h> - -using namespace ASDCP; - -const ui32_t FRAME_BUFFER_SIZE = 4 * Kumu::Megabyte; - -//------------------------------------------------------------------------------------------ -// -// command line option parser class - -static const char* PROGRAM_NAME = "asdcp-unwrap"; // program name for messages - -// Increment the iterator, test for an additional non-option command line argument. -// Causes the caller to return if there are no remaining arguments or if the next -// argument begins with '-'. -#define TEST_EXTRA_ARG(i,c) \ - if ( ++i >= argc || argv[(i)][0] == '-' ) { \ - fprintf(stderr, "Argument not found for option -%c.\n", (c)); \ - return; \ - } - -// -void -banner(FILE* stream = stdout) -{ - fprintf(stream, "\n\ -%s (asdcplib %s)\n\n\ -Copyright (c) 2003-2012 John Hurst\n\n\ -asdcplib may be copied only under the terms of the license found at\n\ -the top of every file in the asdcplib distribution kit.\n\n\ -Specify the -h (help) option for further information about %s\n\n", - PROGRAM_NAME, ASDCP::Version(), PROGRAM_NAME); -} - -// -void -usage(FILE* stream = stdout) -{ - fprintf(stream, "\ -USAGE: %s [-h|-help] [-V]\n\ -\n\ - %s -G [-v] <input-file>\n\ -\n\ - %s [-1|-2] [-3] [-b <buffer-size>] [-d <duration>]\n\ - [-f <starting-frame>] [-m] [-p <frame-rate>] [-R] [-s <size>] [-v] [-W]\n\ - [-w] <input-file> [<file-prefix>]\n\n", - PROGRAM_NAME, PROGRAM_NAME, PROGRAM_NAME); - - fprintf(stream, "\ -Options:\n\ - -1 - Split Wave essence to mono WAV files during extract.\n\ - Default is multichannel WAV\n\ - -2 - Split Wave essence to stereo WAV files during extract.\n\ - Default is multichannel WAV\n\ - -3 - Force stereoscopic interpretation of a JP2K file.\n\ - -b <buffer-size> - Specify size in bytes of picture frame buffer.\n\ - Defaults to 4,194,304 (4MB)\n\ - -d <duration> - Number of frames to process, default all\n\ - -f <start-frame> - Starting frame number, default 0\n\ - -G - Perform GOP start lookup test on MXF+Interop MPEG file\n\ - -h | -help - Show help\n\ - -k <key-string> - Use key for ciphertext operations\n\ - -m - verify HMAC values when reading\n\ - -p <rate> - fps of picture when wrapping PCM or JP2K:\n\ - Use one of [23|24|25|30|48|50|60], 24 is default\n\ - -s <size> - Number of bytes to dump to output when -v is given\n\ - -V - Show version information\n\ - -v - Verbose, prints informative messages to stderr\n\ - -W - Read input file only, do not write destination file\n\ - -w <width> - Width of numeric element in a series of frame file names\n\ - (default 6).\n\ - -z - Fail if j2c inputs have unequal parameters (default)\n\ - -Z - Ignore unequal parameters in j2c inputs\n\ -\n\ - NOTES: o There is no option grouping, all options must be distinct arguments.\n\ - o All option arguments must be separated from the option by whitespace.\n\ - o An argument of \"23\" to the -p option will be interpreted\n\ - as 24000/1001 fps.\n\n"); -} - -// -enum MajorMode_t -{ - MMT_NONE, - MMT_EXTRACT, - MMT_GOP_START, -}; - -// -class CommandOptions -{ - CommandOptions(); - -public: - MajorMode_t mode; - bool error_flag; // true if the given options are in error or not complete - bool key_flag; // true if an encryption key was given - bool read_hmac; // true if HMAC values are to be validated - bool split_wav; // true if PCM is to be extracted to stereo WAV files - bool mono_wav; // true if PCM is to be extracted to mono WAV files - bool verbose_flag; // true if the verbose option was selected - ui32_t fb_dump_size; // number of bytes of frame buffer to dump - bool no_write_flag; // true if no output files are to be written - bool version_flag; // true if the version display option was selected - bool help_flag; // true if the help display option was selected - bool stereo_image_flag; // if true, expect stereoscopic JP2K input (left eye first) - ui32_t number_width; // number of digits in a serialized filename (for JPEG extract) - ui32_t start_frame; // frame number to begin processing - ui32_t duration; // number of frames to be processed - bool duration_flag; // true if duration argument given - bool j2c_pedantic; // passed to JP2K::SequenceParser::OpenRead - ui32_t picture_rate; // fps of picture when wrapping PCM - ui32_t fb_size; // size of picture frame buffer - const char* file_prefix; // filename pre for files written by the extract mode - byte_t key_value[KeyLen]; // value of given encryption key (when key_flag is true) - byte_t key_id_value[UUIDlen];// value of given key ID (when key_id_flag is true) - PCM::ChannelFormat_t channel_fmt; // audio channel arrangement - const char* input_filename; - std::string prefix_buffer; - - // - Rational PictureRate() - { - if ( picture_rate == 23 ) return EditRate_23_98; - if ( picture_rate == 24 ) return EditRate_24; - if ( picture_rate == 25 ) return EditRate_25; - if ( picture_rate == 30 ) return EditRate_30; - if ( picture_rate == 48 ) return EditRate_48; - if ( picture_rate == 50 ) return EditRate_50; - if ( picture_rate == 60 ) return EditRate_60; - if ( picture_rate == 96 ) return EditRate_96; - if ( picture_rate == 100 ) return EditRate_100; - if ( picture_rate == 120 ) return EditRate_120; - return EditRate_24; - } - - // - CommandOptions(int argc, const char** argv) : - mode(MMT_EXTRACT), error_flag(true), key_flag(false), read_hmac(false), split_wav(false), - mono_wav(false), verbose_flag(false), fb_dump_size(0), no_write_flag(false), - version_flag(false), help_flag(false), stereo_image_flag(false), number_width(6), - start_frame(0), duration(0xffffffff), duration_flag(false), j2c_pedantic(true), - picture_rate(24), fb_size(FRAME_BUFFER_SIZE), file_prefix(0), - channel_fmt(PCM::CF_NONE), input_filename(0) - { - memset(key_value, 0, KeyLen); - memset(key_id_value, 0, UUIDlen); - - for ( int i = 1; i < argc; ++i ) - { - - if ( (strcmp( argv[i], "-help") == 0) ) - { - help_flag = true; - continue; - } - - if ( argv[i][0] == '-' - && ( isalpha(argv[i][1]) || isdigit(argv[i][1]) ) - && argv[i][2] == 0 ) - { - switch ( argv[i][1] ) - { - case '1': mono_wav = true; break; - case '2': split_wav = true; break; - case '3': stereo_image_flag = true; break; - - case 'b': - TEST_EXTRA_ARG(i, 'b'); - fb_size = abs(atoi(argv[i])); - - if ( verbose_flag ) - fprintf(stderr, "Frame Buffer size: %u bytes.\n", fb_size); - - break; - - case 'd': - TEST_EXTRA_ARG(i, 'd'); - duration_flag = true; - duration = abs(atoi(argv[i])); - break; - - case 'f': - TEST_EXTRA_ARG(i, 'f'); - start_frame = abs(atoi(argv[i])); - break; - - case 'G': mode = MMT_GOP_START; break; - case 'h': help_flag = true; break; - - case 'm': read_hmac = true; break; - - case 'p': - TEST_EXTRA_ARG(i, 'p'); - picture_rate = abs(atoi(argv[i])); - break; - - case 's': - TEST_EXTRA_ARG(i, 's'); - fb_dump_size = abs(atoi(argv[i])); - break; - - case 'V': version_flag = true; break; - case 'v': verbose_flag = true; break; - case 'W': no_write_flag = true; break; - - case 'w': - TEST_EXTRA_ARG(i, 'w'); - number_width = abs(atoi(argv[i])); - break; - - case 'Z': j2c_pedantic = false; break; - case 'z': j2c_pedantic = true; break; - - default: - fprintf(stderr, "Unrecognized option: %s\n", argv[i]); - return; - } - } - else - { - if ( argv[i][0] != '-' ) - { - if ( input_filename == 0 ) - { - input_filename = argv[i]; - } - else if ( file_prefix == 0 ) - { - file_prefix = argv[i]; - } - } - else - { - fprintf(stderr, "Unrecognized argument: %s\n", argv[i]); - return; - } - } - } - - if ( help_flag || version_flag ) - return; - - if ( ( mode == MMT_EXTRACT || mode == MMT_GOP_START ) && input_filename == 0 ) - { - fputs("Option requires at least one filename argument.\n", stderr); - return; - } - - if ( mode == MMT_EXTRACT && file_prefix == 0 ) - { - prefix_buffer = Kumu::PathSetExtension(input_filename, "") + "_"; - file_prefix = prefix_buffer.c_str(); - } - - error_flag = false; - } -}; - -//------------------------------------------------------------------------------------------ -// MPEG2 essence - -// Read a plaintext MPEG2 Video Elementary Stream from a plaintext ASDCP file -// Read a plaintext MPEG2 Video Elementary Stream from a ciphertext ASDCP file -// Read a ciphertext MPEG2 Video Elementary Stream from a ciphertext ASDCP file -// -Result_t -read_MPEG2_file(CommandOptions& Options) -{ - AESDecContext* Context = 0; - HMACContext* HMAC = 0; - MPEG2::MXFReader Reader; - MPEG2::FrameBuffer FrameBuffer(Options.fb_size); - Kumu::FileWriter OutFile; - ui32_t frame_count = 0; - - Result_t result = Reader.OpenRead(Options.input_filename); - - if ( ASDCP_SUCCESS(result) ) - { - MPEG2::VideoDescriptor VDesc; - Reader.FillVideoDescriptor(VDesc); - frame_count = VDesc.ContainerDuration; - - if ( Options.verbose_flag ) - { - fprintf(stderr, "Frame Buffer size: %u\n", Options.fb_size); - MPEG2::VideoDescriptorDump(VDesc); - } - } - - if ( ASDCP_SUCCESS(result) ) - { - char filename[256]; - snprintf(filename, 256, "%s.ves", Options.file_prefix); - result = OutFile.OpenWrite(filename); - } - - if ( ASDCP_SUCCESS(result) && Options.key_flag ) - { - Context = new AESDecContext; - result = Context->InitKey(Options.key_value); - - if ( ASDCP_SUCCESS(result) && Options.read_hmac ) - { - WriterInfo Info; - Reader.FillWriterInfo(Info); - - if ( Info.UsesHMAC ) - { - HMAC = new HMACContext; - result = HMAC->InitKey(Options.key_value, Info.LabelSetType); - } - else - { - fputs("File does not contain HMAC values, ignoring -m option.\n", stderr); - } - } - } - - ui32_t last_frame = Options.start_frame + ( Options.duration ? Options.duration : frame_count); - if ( last_frame > frame_count ) - last_frame = frame_count; - - for ( ui32_t i = Options.start_frame; ASDCP_SUCCESS(result) && i < last_frame; i++ ) - { - result = Reader.ReadFrame(i, FrameBuffer, Context, HMAC); - - if ( ASDCP_SUCCESS(result) ) - { - if ( Options.verbose_flag ) - FrameBuffer.Dump(stderr, Options.fb_dump_size); - - ui32_t write_count = 0; - result = OutFile.Write(FrameBuffer.Data(), FrameBuffer.Size(), &write_count); - } - } - - return result; -} - - -// -Result_t -gop_start_test(CommandOptions& Options) -{ - using namespace ASDCP::MPEG2; - - MXFReader Reader; - MPEG2::FrameBuffer FrameBuffer(Options.fb_size); - ui32_t frame_count = 0; - - Result_t result = Reader.OpenRead(Options.input_filename); - - if ( ASDCP_SUCCESS(result) ) - { - MPEG2::VideoDescriptor VDesc; - Reader.FillVideoDescriptor(VDesc); - frame_count = VDesc.ContainerDuration; - - if ( Options.verbose_flag ) - { - fprintf(stderr, "Frame Buffer size: %u\n", Options.fb_size); - MPEG2::VideoDescriptorDump(VDesc); - } - } - - ui32_t last_frame = Options.start_frame + ( Options.duration ? Options.duration : frame_count); - if ( last_frame > frame_count ) - last_frame = frame_count; - - for ( ui32_t i = Options.start_frame; ASDCP_SUCCESS(result) && i < last_frame; i++ ) - { - result = Reader.ReadFrameGOPStart(i, FrameBuffer); - - if ( ASDCP_SUCCESS(result) ) - { - if ( Options.verbose_flag ) - FrameBuffer.Dump(stderr, Options.fb_dump_size); - - if ( FrameBuffer.FrameType() != FRAME_I ) - fprintf(stderr, "Expecting an I frame, got %c\n", FrameTypeChar(FrameBuffer.FrameType())); - - fprintf(stderr, "Requested frame %u, got %u\n", i, FrameBuffer.FrameNumber()); - } - } - - return result; -} - -//------------------------------------------------------------------------------------------ -// JPEG 2000 essence - - -// Read one or more plaintext JPEG 2000 stereoscopic codestream pairs from a plaintext ASDCP file -// Read one or more plaintext JPEG 2000 stereoscopic codestream pairs from a ciphertext ASDCP file -// Read one or more ciphertext JPEG 2000 stereoscopic codestream pairs from a ciphertext ASDCP file -Result_t -read_JP2K_S_file(CommandOptions& Options) -{ - AESDecContext* Context = 0; - HMACContext* HMAC = 0; - JP2K::MXFSReader Reader; - JP2K::FrameBuffer FrameBuffer(Options.fb_size); - ui32_t frame_count = 0; - - Result_t result = Reader.OpenRead(Options.input_filename); - - if ( ASDCP_SUCCESS(result) ) - { - JP2K::PictureDescriptor PDesc; - Reader.FillPictureDescriptor(PDesc); - - frame_count = PDesc.ContainerDuration; - - if ( Options.verbose_flag ) - { - fprintf(stderr, "Frame Buffer size: %u\n", Options.fb_size); - JP2K::PictureDescriptorDump(PDesc); - } - } - - if ( ASDCP_SUCCESS(result) && Options.key_flag ) - { - Context = new AESDecContext; - result = Context->InitKey(Options.key_value); - - if ( ASDCP_SUCCESS(result) && Options.read_hmac ) - { - WriterInfo Info; - Reader.FillWriterInfo(Info); - - if ( Info.UsesHMAC ) - { - HMAC = new HMACContext; - result = HMAC->InitKey(Options.key_value, Info.LabelSetType); - } - else - { - fputs("File does not contain HMAC values, ignoring -m option.\n", stderr); - } - } - } - - const int filename_max = 1024; - char filename[filename_max]; - ui32_t last_frame = Options.start_frame + ( Options.duration ? Options.duration : frame_count); - if ( last_frame > frame_count ) - last_frame = frame_count; - - char left_format[64]; char right_format[64]; - snprintf(left_format, 64, "%%s%%0%duL.j2c", Options.number_width); - snprintf(right_format, 64, "%%s%%0%duR.j2c", Options.number_width); - - for ( ui32_t i = Options.start_frame; ASDCP_SUCCESS(result) && i < last_frame; i++ ) - { - result = Reader.ReadFrame(i, JP2K::SP_LEFT, FrameBuffer, Context, HMAC); - - if ( ASDCP_SUCCESS(result) ) - { - Kumu::FileWriter OutFile; - ui32_t write_count; - snprintf(filename, filename_max, left_format, Options.file_prefix, i); - result = OutFile.OpenWrite(filename); - - if ( ASDCP_SUCCESS(result) ) - result = OutFile.Write(FrameBuffer.Data(), FrameBuffer.Size(), &write_count); - - if ( Options.verbose_flag ) - FrameBuffer.Dump(stderr, Options.fb_dump_size); - } - - if ( ASDCP_SUCCESS(result) ) - result = Reader.ReadFrame(i, JP2K::SP_RIGHT, FrameBuffer, Context, HMAC); - - if ( ASDCP_SUCCESS(result) ) - { - Kumu::FileWriter OutFile; - ui32_t write_count; - snprintf(filename, filename_max, right_format, Options.file_prefix, i); - result = OutFile.OpenWrite(filename); - - if ( ASDCP_SUCCESS(result) ) - result = OutFile.Write(FrameBuffer.Data(), FrameBuffer.Size(), &write_count); - } - } - - return result; -} - -// Read one or more plaintext JPEG 2000 codestreams from a plaintext ASDCP file -// Read one or more plaintext JPEG 2000 codestreams from a ciphertext ASDCP file -// Read one or more ciphertext JPEG 2000 codestreams from a ciphertext ASDCP file -// -Result_t -read_JP2K_file(CommandOptions& Options) -{ - AESDecContext* Context = 0; - HMACContext* HMAC = 0; - JP2K::MXFReader Reader; - JP2K::FrameBuffer FrameBuffer(Options.fb_size); - ui32_t frame_count = 0; - - Result_t result = Reader.OpenRead(Options.input_filename); - - if ( ASDCP_SUCCESS(result) ) - { - JP2K::PictureDescriptor PDesc; - Reader.FillPictureDescriptor(PDesc); - - frame_count = PDesc.ContainerDuration; - - if ( Options.verbose_flag ) - { - fprintf(stderr, "Frame Buffer size: %u\n", Options.fb_size); - JP2K::PictureDescriptorDump(PDesc); - } - } - - if ( ASDCP_SUCCESS(result) && Options.key_flag ) - { - Context = new AESDecContext; - result = Context->InitKey(Options.key_value); - - if ( ASDCP_SUCCESS(result) && Options.read_hmac ) - { - WriterInfo Info; - Reader.FillWriterInfo(Info); - - if ( Info.UsesHMAC ) - { - HMAC = new HMACContext; - result = HMAC->InitKey(Options.key_value, Info.LabelSetType); - } - else - { - fputs("File does not contain HMAC values, ignoring -m option.\n", stderr); - } - } - } - - ui32_t last_frame = Options.start_frame + ( Options.duration ? Options.duration : frame_count); - if ( last_frame > frame_count ) - last_frame = frame_count; - - char name_format[64]; - snprintf(name_format, 64, "%%s%%0%du.j2c", Options.number_width); - - for ( ui32_t i = Options.start_frame; ASDCP_SUCCESS(result) && i < last_frame; i++ ) - { - result = Reader.ReadFrame(i, FrameBuffer, Context, HMAC); - - if ( ASDCP_SUCCESS(result) ) - { - Kumu::FileWriter OutFile; - char filename[256]; - ui32_t write_count; - snprintf(filename, 256, name_format, Options.file_prefix, i); - result = OutFile.OpenWrite(filename); - - if ( ASDCP_SUCCESS(result) ) - result = OutFile.Write(FrameBuffer.Data(), FrameBuffer.Size(), &write_count); - - if ( Options.verbose_flag ) - FrameBuffer.Dump(stderr, Options.fb_dump_size); - } - } - - return result; -} - -//------------------------------------------------------------------------------------------ -// PCM essence - -// Read one or more plaintext PCM audio streams from a plaintext ASDCP file -// Read one or more plaintext PCM audio streams from a ciphertext ASDCP file -// Read one or more ciphertext PCM audio streams from a ciphertext ASDCP file -// -Result_t -read_PCM_file(CommandOptions& Options) -{ - AESDecContext* Context = 0; - HMACContext* HMAC = 0; - PCM::MXFReader Reader; - PCM::FrameBuffer FrameBuffer; - WavFileWriter OutWave; - PCM::AudioDescriptor ADesc; - ui32_t last_frame = 0; - - Result_t result = Reader.OpenRead(Options.input_filename); - - if ( ASDCP_SUCCESS(result) ) - { - Reader.FillAudioDescriptor(ADesc); - - if ( ADesc.EditRate != EditRate_23_98 - && ADesc.EditRate != EditRate_24 - && ADesc.EditRate != EditRate_25 - && ADesc.EditRate != EditRate_30 - && ADesc.EditRate != EditRate_48 - && ADesc.EditRate != EditRate_50 - && ADesc.EditRate != EditRate_60 ) - ADesc.EditRate = Options.PictureRate(); - - FrameBuffer.Capacity(PCM::CalcFrameBufferSize(ADesc)); - - if ( Options.verbose_flag ) - PCM::AudioDescriptorDump(ADesc); - } - - if ( ASDCP_SUCCESS(result) ) - { - last_frame = ADesc.ContainerDuration; - - if ( Options.duration > 0 && Options.duration < last_frame ) - last_frame = Options.duration; - - if ( Options.start_frame > 0 ) - { - if ( Options.start_frame > ADesc.ContainerDuration ) - { - fprintf(stderr, "Start value greater than file duration.\n"); - return RESULT_FAIL; - } - - last_frame = Kumu::xmin(Options.start_frame + last_frame, ADesc.ContainerDuration); - } - - ADesc.ContainerDuration = last_frame - Options.start_frame; - OutWave.OpenWrite(ADesc, Options.file_prefix, - ( Options.split_wav ? WavFileWriter::ST_STEREO : - ( Options.mono_wav ? WavFileWriter::ST_MONO : WavFileWriter::ST_NONE ) )); - } - - if ( ASDCP_SUCCESS(result) && Options.key_flag ) - { - Context = new AESDecContext; - result = Context->InitKey(Options.key_value); - - if ( ASDCP_SUCCESS(result) && Options.read_hmac ) - { - WriterInfo Info; - Reader.FillWriterInfo(Info); - - if ( Info.UsesHMAC ) - { - HMAC = new HMACContext; - result = HMAC->InitKey(Options.key_value, Info.LabelSetType); - } - else - { - fputs("File does not contain HMAC values, ignoring -m option.\n", stderr); - } - } - } - - for ( ui32_t i = Options.start_frame; ASDCP_SUCCESS(result) && i < last_frame; i++ ) - { - result = Reader.ReadFrame(i, FrameBuffer, Context, HMAC); - - if ( ASDCP_SUCCESS(result) ) - { - if ( Options.verbose_flag ) - FrameBuffer.Dump(stderr, Options.fb_dump_size); - - result = OutWave.WriteFrame(FrameBuffer); - } - } - - return result; -} - - -//------------------------------------------------------------------------------------------ -// TimedText essence - -// Read one or more timed text streams from a plaintext ASDCP file -// Read one or more timed text streams from a ciphertext ASDCP file -// Read one or more timed text streams from a ciphertext ASDCP file -// -Result_t -read_timed_text_file(CommandOptions& Options) -{ - AESDecContext* Context = 0; - HMACContext* HMAC = 0; - TimedText::MXFReader Reader; - TimedText::FrameBuffer FrameBuffer; - TimedText::TimedTextDescriptor TDesc; - - Result_t result = Reader.OpenRead(Options.input_filename); - - if ( ASDCP_SUCCESS(result) ) - { - Reader.FillTimedTextDescriptor(TDesc); - FrameBuffer.Capacity(Options.fb_size); - - if ( Options.verbose_flag ) - TimedText::DescriptorDump(TDesc); - } - - if ( ASDCP_SUCCESS(result) && Options.key_flag ) - { - Context = new AESDecContext; - result = Context->InitKey(Options.key_value); - - if ( ASDCP_SUCCESS(result) && Options.read_hmac ) - { - WriterInfo Info; - Reader.FillWriterInfo(Info); - - if ( Info.UsesHMAC ) - { - HMAC = new HMACContext; - result = HMAC->InitKey(Options.key_value, Info.LabelSetType); - } - else - { - fputs("File does not contain HMAC values, ignoring -m option.\n", stderr); - } - } - } - - if ( ASDCP_FAILURE(result) ) - return result; - - std::string XMLDoc; - std::string out_path = Kumu::PathDirname(Options.file_prefix); - ui32_t write_count; - char buf[64]; - TimedText::ResourceList_t::const_iterator ri; - - result = Reader.ReadTimedTextResource(XMLDoc, Context, HMAC); - - if ( ASDCP_SUCCESS(result) ) - { - Kumu::FileWriter Writer; - result = Writer.OpenWrite(Options.file_prefix); - - if ( ASDCP_SUCCESS(result) ) - result = Writer.Write(reinterpret_cast<const byte_t*>(XMLDoc.c_str()), XMLDoc.size(), &write_count); - } - - for ( ri = TDesc.ResourceList.begin() ; ri != TDesc.ResourceList.end() && ASDCP_SUCCESS(result); ri++ ) - { - result = Reader.ReadAncillaryResource(ri->ResourceID, FrameBuffer, Context, HMAC); - - if ( ASDCP_SUCCESS(result) ) - { - Kumu::FileWriter Writer; - result = Writer.OpenWrite(Kumu::PathJoin(out_path, Kumu::UUID(ri->ResourceID).EncodeHex(buf, 64)).c_str()); - - if ( ASDCP_SUCCESS(result) ) - { - if ( Options.verbose_flag ) - FrameBuffer.Dump(stderr, Options.fb_dump_size); - - result = Writer.Write(FrameBuffer.RoData(), FrameBuffer.Size(), &write_count); - } - } - } - - return result; -} - -// -int -main(int argc, const char** argv) -{ - Result_t result = RESULT_OK; - char str_buf[64]; - CommandOptions Options(argc, argv); - - if ( Options.version_flag ) - banner(); - - if ( Options.help_flag ) - usage(); - - if ( Options.version_flag || Options.help_flag ) - return 0; - - if ( Options.error_flag ) - { - fprintf(stderr, "There was a problem. Type %s -h for help.\n", PROGRAM_NAME); - return 3; - } - - if ( Options.mode == MMT_GOP_START ) - { - result = gop_start_test(Options); - } - else if ( Options.mode == MMT_EXTRACT ) - { - EssenceType_t EssenceType; - result = ASDCP::EssenceType(Options.input_filename, EssenceType); - - if ( ASDCP_SUCCESS(result) ) - { - switch ( EssenceType ) - { - case ESS_MPEG2_VES: - result = read_MPEG2_file(Options); - break; - - case ESS_JPEG_2000: - if ( Options.stereo_image_flag ) - result = read_JP2K_S_file(Options); - else - result = read_JP2K_file(Options); - break; - - case ESS_JPEG_2000_S: - result = read_JP2K_S_file(Options); - break; - - case ESS_PCM_24b_48k: - case ESS_PCM_24b_96k: - result = read_PCM_file(Options); - break; - - case ESS_TIMED_TEXT: - result = read_timed_text_file(Options); - break; - - default: - fprintf(stderr, "%s: Unknown file type, not ASDCP essence.\n", Options.input_filename); - return 5; - } - } - } - else - { - fprintf(stderr, "Unhandled mode: %d.\n", Options.mode); - return 6; - } - - if ( ASDCP_FAILURE(result) ) - { - fputs("Program stopped on error.\n", stderr); - - if ( result == RESULT_SFORMAT ) - { - fputs("Use option '-3' to force stereoscopic mode.\n", stderr); - } - else if ( result != RESULT_FAIL ) - { - fputs(result, stderr); - fputc('\n', stderr); - } - - return 1; - } - - return 0; -} - - -// -// end asdcp-unwrap.cpp -// |
