diff options
| author | jhurst <jhurst@cinecert.com> | 2012-03-16 00:28:23 +0000 |
|---|---|---|
| committer | jhurst <> | 2012-03-16 00:28:23 +0000 |
| commit | aac3cfda50b82f7b763b69b9acfcc4d63c81d98b (patch) | |
| tree | 60d819d1c568564e926a34488e69dd574bf11580 /src/as-02-unwrap.cpp | |
| parent | e511dc66f4a9c9278964d89a85662fcd9bfb18ac (diff) | |
as-02ooooooooooo!
Diffstat (limited to 'src/as-02-unwrap.cpp')
| -rwxr-xr-x | src/as-02-unwrap.cpp | 508 |
1 files changed, 508 insertions, 0 deletions
diff --git a/src/as-02-unwrap.cpp b/src/as-02-unwrap.cpp new file mode 100755 index 0000000..6cb90e2 --- /dev/null +++ b/src/as-02-unwrap.cpp @@ -0,0 +1,508 @@ +/* +Copyright (c) 2011-2012, Robert Scheler, Heiko Sparenberg Fraunhofer IIS, 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 as-02-unwrap.cpp + \version $Id$ + \brief AS-02 file manipulation utility + + This program extracts picture and sound from AS-02 files. + + For more information about AS-02, please refer to the header file AS_02.h + For more information about asdcplib, please refer to the header file AS_DCP.h +*/ + +#include <KM_fileio.h> +#include <AS_02.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 = "as-02-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) 2011-2012, Robert Scheler, Heiko Sparenberg Fraunhofer IIS, 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 [-1|-2] [-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\ + -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\ + -h | -help - Show help\n\ + -k <key-string> - Use key for ciphertext operations\n\ + -m - verify HMAC values when reading\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\n"); +} + +// +class CommandOptions +{ + CommandOptions(); + +public: + 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; + + // + CommandOptions(int argc, const char** argv) : + 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), 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), + 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 '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 '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 ( input_filename == 0 ) + { + fputs("At least one filename argument is required.\n", stderr); + return; + } + + if ( file_prefix == 0 ) + { + prefix_buffer = Kumu::PathSetExtension(input_filename, "") + "_"; + file_prefix = prefix_buffer.c_str(); + } + + error_flag = false; + } +}; + + +//------------------------------------------------------------------------------------------ +// JPEG 2000 essence + + +// 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); + ADesc.EditRate = Rational(1, 1); + 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; +} + + +// +int +main(int argc, const char** argv) +{ + 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; + } + + EssenceType_t EssenceType; + Result_t result = ASDCP::EssenceType(Options.input_filename, EssenceType); + + if ( ASDCP_SUCCESS(result) ) + { + switch ( EssenceType ) + { + case ESS_JPEG_2000: + result = read_JP2K_file(Options); + break; + + case ESS_PCM_24b_48k: + case ESS_PCM_24b_96k: + result = read_PCM_file(Options); + break; + + default: + fprintf(stderr, "%s: Unknown file type, not ASDCP essence.\n", Options.input_filename); + return 5; + } + } + + 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 as-02-unwrap.cpp +// |
