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Diffstat (limited to 'asdcplib/src/wavesplit.cpp')
| -rwxr-xr-x | asdcplib/src/wavesplit.cpp | 397 |
1 files changed, 0 insertions, 397 deletions
diff --git a/asdcplib/src/wavesplit.cpp b/asdcplib/src/wavesplit.cpp deleted file mode 100755 index 8785198..0000000 --- a/asdcplib/src/wavesplit.cpp +++ /dev/null @@ -1,397 +0,0 @@ -/* -Copyright (c) 2005-2009, 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 wavesplit.cpp - \version $Id: wavesplit.cpp,v 1.11 2010/02/16 18:40:57 jhurst Exp $ - \brief WAV file splitter -*/ - -#include <AS_DCP.h> -#include <WavFileWriter.h> -#include <assert.h> - -using namespace ASDCP; - -//------------------------------------------------------------------------------------------ -// -// command line option parser class - -static const char* PROGRAM_NAME = "wavesplit"; // program name for messages - -// Macros used to test command option data state. - -// True if a major mode has already been selected. -#define TEST_MAJOR_MODE() ( create_flag || info_flag ) - -// Causes the caller to return if a major mode has already been selected, -// otherwise sets the given flag. -#define TEST_SET_MAJOR_MODE(f) if ( TEST_MAJOR_MODE() ) \ - { \ - fputs("Conflicting major mode, choose one of -(ic).\n", stderr); \ - return; \ - } \ - (f) = true; - -// 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 = stderr) -{ - fprintf(stream, "\n\ -%s (asdcplib %s)\n\n\ -Copyright (c) 2005-2009 John Hurst\n\n\ -%s is part of asdcplib.\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, PROGRAM_NAME); -} - -// -void -usage(FILE* stream = stderr) -{ - fprintf(stream, "\ -USAGE: %s [-v] -V\n\ - %s [-v] -c <root-name> [-d <duration>] [-f <start-frame>] <filename>\n\ - %s [-v] -i <filename>\n\ -\n\ -Major modes:\n\ - -c <root-name> - Create a WAV file for each channel in the input file\n\ - (default is two-channel files)\n\ - -d <duration> - Number of frames to process, default all\n\ - -f <frame-num> - Starting frame number, default 0\n\ - -h - Show help\n\ - -i - Show input file metadata (no output created)\n\ - -V - Show version\n\ - -v - Print extra info while processing\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", PROGRAM_NAME, PROGRAM_NAME, PROGRAM_NAME); -} - -// -// -class CommandOptions -{ - CommandOptions(); - -public: - bool error_flag; // true if the given options are in error or not complete - bool create_flag; // true if the file create mode was selected - bool info_flag; // true if the file info mode was selected - bool version_flag; // true if the version display option was selected - bool help_flag; // true if the help display option was selected - bool verbose_flag; // true for extra info during procesing - ui32_t start_frame; // frame number to begin processing - ui32_t duration; // number of frames to be processed - const char* file_root; // filename prefix for files written by the extract mode - const char* filename; // filename to be processed - - CommandOptions(int argc, const char** argv) : - error_flag(true), create_flag(false), info_flag(false), - version_flag(false), help_flag(false), start_frame(0), - duration(0xffffffff), file_root(0), filename(0) - { - for ( int i = 1; i < argc; i++ ) - { - if ( argv[i][0] == '-' && isalpha(argv[i][1]) && argv[i][2] == 0 ) - { - switch ( argv[i][1] ) - { - case 'c': - TEST_SET_MAJOR_MODE(create_flag); - TEST_EXTRA_ARG(i, 'c'); - file_root = argv[i]; - break; - - case 'd': - TEST_EXTRA_ARG(i, 'd'); - duration = atoi(argv[i]); // TODO: test for negative value, should use strtol() - break; - - case 'f': - TEST_EXTRA_ARG(i, 'f'); - start_frame = atoi(argv[i]); // TODO: test for negative value, should use strtol() - break; - - case 'h': help_flag = true; break; - case 'i': TEST_SET_MAJOR_MODE(info_flag); break; - case 'V': version_flag = true; break; - - default: - fprintf(stderr, "Unrecognized option: %c\n", argv[i][1]); - return; - } - } - else - { - if ( filename ) - { - fprintf(stderr, "Unexpected extra filename.\n"); - return; - } - - filename = argv[i]; - } - } - - if ( TEST_MAJOR_MODE() ) - { - if ( filename == 0 ) - { - fputs("Input filename required.\n", stderr); - return; - } - } - - if ( ! TEST_MAJOR_MODE() && ! help_flag && ! version_flag ) - { - fputs("No operation selected (use one of -(ic) or -h for help).\n", stderr); - return; - } - - error_flag = false; - } -}; - -// -Result_t -wav_file_info(CommandOptions& Options) -{ - PCM::AudioDescriptor ADesc; - Rational PictureRate = EditRate_24; - PCM::WAVParser Parser; - - // set up essence parser - Result_t result = Parser.OpenRead(Options.filename, PictureRate); - - if ( ASDCP_SUCCESS(result) ) - { - Parser.FillAudioDescriptor(ADesc); - ADesc.EditRate = PictureRate; - fprintf(stderr, "48Khz PCM Audio, %s fps (%u spf)\n", "24", - PCM::CalcSamplesPerFrame(ADesc)); - fputs("AudioDescriptor:\n", stderr); - PCM::AudioDescriptorDump(ADesc); - } - - return result; -} - -// -void -split_buffer(ui32_t sample_size, PCM::FrameBuffer& FrameBuffer, - PCM::FrameBuffer& L_FrameBuffer, PCM::FrameBuffer& R_FrameBuffer) -{ - assert((FrameBuffer.Size() % 2) == 0); - byte_t* p = FrameBuffer.Data(); - byte_t* end_p = p + FrameBuffer.Size(); - byte_t* lp = L_FrameBuffer.Data(); - byte_t* rp = R_FrameBuffer.Data(); - - for ( ; p < end_p; ) - { - memcpy(lp, p, sample_size); - lp += sample_size; - p += sample_size; - memcpy(rp, p, sample_size); - rp += sample_size; - p += sample_size; - } - - L_FrameBuffer.Size(L_FrameBuffer.Capacity()); - R_FrameBuffer.Size(R_FrameBuffer.Capacity()); -} - -// -Result_t -split_wav_file(CommandOptions& Options) -{ - PCM::FrameBuffer FrameBuffer; - PCM::FrameBuffer L_FrameBuffer; - PCM::FrameBuffer R_FrameBuffer; - PCM::AudioDescriptor ADesc; - Rational PictureRate = EditRate_24; - PCM::WAVParser Parser; - - // set up essence parser - Result_t result = Parser.OpenRead(Options.filename, PictureRate); - - if ( ASDCP_SUCCESS(result) ) - { - Parser.FillAudioDescriptor(ADesc); - - ADesc.EditRate = PictureRate; - ui32_t fb_size = PCM::CalcFrameBufferSize(ADesc); - assert((fb_size % 2) == 0); - FrameBuffer.Capacity(fb_size); - L_FrameBuffer.Capacity(fb_size/2); - R_FrameBuffer.Capacity(fb_size/2); - - if ( Options.verbose_flag ) - { - fprintf(stderr, "48Khz PCM Audio, %s fps (%u spf)\n", "24", - PCM::CalcSamplesPerFrame(ADesc)); - fputs("AudioDescriptor:\n", stderr); - PCM::AudioDescriptorDump(ADesc); - } - - ADesc.ChannelCount = 1; - } - - // set up output files - Kumu::FileWriter L_OutFile; - Kumu::FileWriter R_OutFile; - - if ( ASDCP_SUCCESS(result) ) - { - char filename[256]; - snprintf(filename, 256, "%s_l.wav", Options.file_root); - result = L_OutFile.OpenWrite(filename); - - if ( ASDCP_SUCCESS(result) ) - { - snprintf(filename, 256, "%s_r.wav", Options.file_root); - result = R_OutFile.OpenWrite(filename); - } - } - - - if ( ASDCP_SUCCESS(result) ) - { - Wav::SimpleWaveHeader WavHeader(ADesc); - result = WavHeader.WriteToFile(L_OutFile); - - if ( ASDCP_SUCCESS(result) ) - result = WavHeader.WriteToFile(R_OutFile); - } - - if ( ASDCP_SUCCESS(result) ) - { - ui32_t write_count = 0; - ui32_t duration = 0; - - while ( ASDCP_SUCCESS(result) && (duration++ < Options.duration) ) - { - result = Parser.ReadFrame(FrameBuffer); - - if ( FrameBuffer.Size() != FrameBuffer.Capacity() ) - { - fprintf(stderr, "WARNING: Last frame read was short, PCM input is possibly not frame aligned.\n"); - fprintf(stderr, "Expecting %u bytes, got %u.\n", FrameBuffer.Capacity(), FrameBuffer.Size()); - result = RESULT_ENDOFFILE; - continue; - } - - if ( Options.verbose_flag ) - FrameBuffer.Dump(stderr); - - if ( ASDCP_SUCCESS(result) ) - { - split_buffer(PCM::CalcSampleSize(ADesc), FrameBuffer, L_FrameBuffer, R_FrameBuffer); - result = L_OutFile.Write(L_FrameBuffer.Data(), L_FrameBuffer.Size(), &write_count); - - if ( ASDCP_SUCCESS(result) ) - result = R_OutFile.Write(R_FrameBuffer.Data(), R_FrameBuffer.Size(), &write_count); - } - } - - if ( result == RESULT_ENDOFFILE ) - result = RESULT_OK; - - if ( ASDCP_SUCCESS(result) ) - { - ADesc.ContainerDuration = duration; - Wav::SimpleWaveHeader WavHeader(ADesc); - L_OutFile.Seek(); - - if ( ASDCP_SUCCESS(result) ) - result = R_OutFile.Seek(); - - if ( ASDCP_SUCCESS(result) ) - result = WavHeader.WriteToFile(L_OutFile); - - if ( ASDCP_SUCCESS(result) ) - result = WavHeader.WriteToFile(R_OutFile); - } - } - - return RESULT_OK; -} - - -// -int -main(int argc, const char** argv) -{ - Result_t result = RESULT_OK; - CommandOptions Options(argc, argv); - - if ( Options.help_flag ) - { - usage(); - return 0; - } - - if ( Options.error_flag ) - return 3; - - if ( Options.version_flag ) - banner(); - - if ( Options.info_flag ) - result = wav_file_info(Options); - - else if ( Options.create_flag ) - result = split_wav_file(Options); - - if ( result != RESULT_OK ) - { - fputs("Program stopped on error.\n", stderr); - - if ( result != RESULT_FAIL ) - { - fputs(result, stderr); - fputc('\n', stderr); - } - - return 1; - } - - return 0; -} - - -// |
