{
fprintf(stream, "\n\
%s (asdcplib %s)\n\n\
-Copyright (c) 2011-2014, John Hurst\n\n\
+Copyright (c) 2011-2015, 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",
%s [-b <buffer-size>] [-d <duration>]\n\
[-f <starting-frame>] [-m] [-R] [-s <size>] [-v] [-W]\n\
[-w] <input-file> [<file-prefix>]\n\n",
- PROGRAM_NAME, PROGRAM_NAME, PROGRAM_NAME);
+ PROGRAM_NAME, PROGRAM_NAME);
fprintf(stream, "\
Options:\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\
+ -e <extension> - Extension to use for aux data files. default \"bin\"\n\
-f <start-frame> - Starting frame number, default 0\n\
+ -g <filename> - Extract global metadata to the named file.\n\
-h | -help - Show help\n\
-k <key-string> - Use key for ciphertext operations\n\
-m - verify HMAC values when reading\n\
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)
const char* input_filename;
- std::string prefix_buffer;
+ const char* extension;
+ std::string global_metadata_filename, prefix_buffer;
//
CommandOptions(int argc, const char** argv) :
version_flag(false), help_flag(false), number_width(6),
start_frame(0), duration(0xffffffff), duration_flag(false),
fb_size(FRAME_BUFFER_SIZE), file_prefix(0),
- input_filename(0)
+ input_filename(0), extension("bin")
{
memset(key_value, 0, KeyLen);
memset(key_id_value, 0, UUIDlen);
{
case 'b':
TEST_EXTRA_ARG(i, 'b');
- fb_size = abs(atoi(argv[i]));
+ fb_size = Kumu::xabs(strtol(argv[i], 0, 10));
if ( verbose_flag )
fprintf(stderr, "Frame Buffer size: %u bytes.\n", fb_size);
case 'd':
TEST_EXTRA_ARG(i, 'd');
duration_flag = true;
- duration = abs(atoi(argv[i]));
+ duration = Kumu::xabs(strtol(argv[i], 0, 10));
break;
case 'f':
TEST_EXTRA_ARG(i, 'f');
- start_frame = abs(atoi(argv[i]));
+ start_frame = Kumu::xabs(strtol(argv[i], 0, 10));
+ break;
+
+ case 'g':
+ TEST_EXTRA_ARG(i, 'g');
+ global_metadata_filename = argv[i];
break;
case 'h': help_flag = true; break;
case 's':
TEST_EXTRA_ARG(i, 's');
- fb_dump_size = abs(atoi(argv[i]));
+ fb_dump_size = Kumu::xabs(strtol(argv[i], 0, 10));
break;
case 'V': version_flag = true; break;
case 'w':
TEST_EXTRA_ARG(i, 'w');
- number_width = abs(atoi(argv[i]));
+ number_width = Kumu::xabs(strtol(argv[i], 0, 10));
break;
default:
return result;
}
+
+// Read one or more plaintext DCData bytestreams from a plaintext ASDCP file
+// Read one or more plaintext DCData bytestreams from a ciphertext ASDCP file
+// Read one or more ciphertext DCData byestreams from a ciphertext ASDCP file
+//
+Result_t
+read_aux_data_file(CommandOptions& Options)
+{
+ AESDecContext* Context = 0;
+ HMACContext* HMAC = 0;
+ AS_02::PIDM::MXFReader Reader;
+ DCData::FrameBuffer FrameBuffer(Options.fb_size);
+ ui32_t frame_count = 0;
+
+ ASDCP::FrameBuffer global_metadata;
+ Result_t result = Reader.OpenRead(Options.input_filename, global_metadata);
+
+ if ( ASDCP_SUCCESS(result)
+ && global_metadata.Size()
+ && ! Options.global_metadata_filename.empty() )
+ {
+ ui32_t write_count = 0;
+ Kumu::FileWriter Writer;
+
+ result = Writer.OpenWrite(Options.global_metadata_filename);
+
+ if ( ASDCP_SUCCESS(result) )
+ {
+ result = Writer.Write(global_metadata.RoData(), global_metadata.Size(), &write_count);
+ }
+
+ if ( ASDCP_SUCCESS(result) && global_metadata.Size() != write_count)
+ {
+ return RESULT_WRITEFAIL;
+ }
+ }
+
+ if ( ASDCP_SUCCESS(result) )
+ {
+ frame_count = Reader.AS02IndexReader().GetDuration();
+
+ if ( Options.verbose_flag )
+ {
+ fprintf(stderr, "Frame Buffer size: %u\n", Options.fb_size);
+ }
+ }
+
+ 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.%s", Options.number_width, Options.extension);
+
+ 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.no_write_flag )
+ {
+ 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;
+}
+
+
//
int
main(int argc, const char** argv)
result = read_JP2K_file(Options);
break;
+ case ESS_DCDATA_UNKNOWN:
+ result = read_aux_data_file(Options);
+ break;
+
default:
fprintf(stderr, "%s: Unknown file type, not P-HDR essence.\n", Options.input_filename);
return 5;
projects / asdcplib.git / blobdiff