diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/aifc.py | 39 | ||||
| -rwxr-xr-x | Lib/irix5/CL.py | 298 | ||||
| -rwxr-xr-x | Lib/plat-irix5/CL.py | 298 |
3 files changed, 384 insertions, 251 deletions
diff --git a/Lib/aifc.py b/Lib/aifc.py index 706bba8..63849a1 100644 --- a/Lib/aifc.py +++ b/Lib/aifc.py @@ -356,6 +356,7 @@ class Aifc_read(): # _ssnd_seek_needed -- 1 iff positioned correctly in audio # file for readframes() # _ssnd_chunk -- instantiation of a chunk class for the SSND chunk + # _framesize -- size of one frame in the file def initfp(self, file): self._file = file self._version = 0 @@ -497,24 +498,15 @@ class Aifc_read(): if self._ssnd_seek_needed: self._ssnd_chunk.rewind() dummy = self._ssnd_chunk.read(8) - pos = self._soundpos * self._nchannels * self._sampwidth - if self._decomp: - if self._comptype in ('ULAW', 'ALAW'): - pos = pos / 2 + pos = self._soundpos * self._framesize if pos: self._ssnd_chunk.setpos(pos + 8) self._ssnd_seek_needed = 0 if nframes == 0: return '' - size = nframes * self._nchannels * self._sampwidth - if self._decomp: - if self._comptype in ('ULAW', 'ALAW'): - size = size / 2 - data = self._ssnd_chunk.read(size) + data = self._ssnd_chunk.read(nframes * self._framesize) if self._decomp and data: - params = [CL.FRAME_BUFFER_SIZE, len(data) * 2, \ - CL.COMPRESSED_BUFFER_SIZE, len(data)] - self._decomp.SetParams(params) + self._decomp.SetParam(CL.FRAME_BUFFER_SIZE, len(data) * 2) data = self._decomp.Decompress(len(data) / self._nchannels, data) self._soundpos = self._soundpos + len(data) / (self._nchannels * self._sampwidth) return data @@ -530,6 +522,7 @@ class Aifc_read(): self._sampwidth = _convert1(sampwidth, _sampwidthlist) framerate = _read_float(chunk) self._framerate = _convert1(framerate, _frameratelist) + self._framesize = self._nchannels * self._sampwidth if self._aifc: #DEBUG: SGI's soundeditor produces a bad size :-( kludge = 0 @@ -555,8 +548,10 @@ class Aifc_read(): raise Error, 'cannot read compressed AIFF-C files' if self._comptype == 'ULAW': scheme = CL.G711_ULAW + self._framesize = self._framesize / 2 elif self._comptype == 'ALAW': scheme = CL.G711_ALAW + self._framesize = self._framesize / 2 else: raise Error, 'unsupported compression type' self._decomp = cl.OpenDecompressor(scheme) @@ -643,6 +638,7 @@ class Aifc_write(): def setnchannels(self, nchannels): if self._nframeswritten: raise Error, 'cannot change parameters after starting to write' + dummy = _convert(nchannels, _nchannelslist) self._nchannels = nchannels def getnchannels(self): @@ -653,6 +649,7 @@ class Aifc_write(): def setsampwidth(self, sampwidth): if self._nframeswritten: raise Error, 'cannot change parameters after starting to write' + dummy = _convert2(sampwidth, _sampwidthlist) self._sampwidth = sampwidth def getsampwidth(self): @@ -663,6 +660,7 @@ class Aifc_write(): def setframerate(self, framerate): if self._nframeswritten: raise Error, 'cannot change parameters after starting to write' + dummy = _convert2(framerate, _frameratelist) self._framerate = framerate def getframerate(self): @@ -702,6 +700,9 @@ class Aifc_write(): raise Error, 'cannot change parameters after starting to write' if comptype not in ('NONE', 'ULAW', 'ALAW'): raise Error, 'unsupported compression type' + dummy = _convert2(nchannels, _nchannelslist) + dummy = _convert2(sampwidth, _sampwidthlist) + dummy = _convert2(framerate, _frameratelist) self._nchannels = nchannels self._sampwidth = sampwidth self._framerate = framerate @@ -755,9 +756,9 @@ class Aifc_write(): self._write_header(len(data)) nframes = len(data) / (self._sampwidth * self._nchannels) if self._comp: - params = [CL.FRAME_BUFFER_SIZE, len(data), \ - CL.COMPRESSED_BUFFER_SIZE, len(data)] - self._comp.SetParams(params) + self._comp.SetParam(CL.FRAME_BUFFER_SIZE, len(data)) + self._comp.SetParam(CL.COMPRESSED_BUFFER_SIZE, \ + len(data)) data = self._comp.Compress(nframes, data) self._file.write(data) self._nframeswritten = self._nframeswritten + nframes @@ -803,7 +804,9 @@ class Aifc_write(): self._comp = cl.OpenCompressor(scheme) params = [CL.ORIGINAL_FORMAT, 0, \ CL.BITS_PER_COMPONENT, 0, \ - CL.FRAME_RATE, self._framerate] + CL.FRAME_RATE, self._framerate, \ + CL.FRAME_BUFFER_SIZE, 100, \ + CL.COMPRESSED_BUFFER_SIZE, 100] if self._nchannels == AL.MONO: params[1] = CL.MONO else: @@ -815,6 +818,8 @@ class Aifc_write(): else: params[3] = 24 self._comp.SetParams(params) + # the compressor produces a header which we ignore + dummy = self._comp.Compress(0, '') self._file.write('FORM') if not self._nframes: self._nframes = initlength / (self._nchannels * self._sampwidth) @@ -836,7 +841,7 @@ class Aifc_write(): self._file.write('AIFF') self._file.write('COMM') _write_long(self._file, commlength) - _write_short(self._file, self._nchannels) + _write_short(self._file, _convert2(self._nchannels, _nchannelslist)) self._nframes_pos = self._file.tell() _write_long(self._file, self._nframes) _write_short(self._file, _convert2(self._sampwidth, _sampwidthlist)) diff --git a/Lib/irix5/CL.py b/Lib/irix5/CL.py index c64f088..41c56e0 100755 --- a/Lib/irix5/CL.py +++ b/Lib/irix5/CL.py @@ -1,17 +1,18 @@ # # cl.h - Compression Library typedefs and prototypes # +# 01/07/92 Cleanup by Brian Knittel # 02/18/92 Original Version by Brian Knittel # # # originalFormat parameter values # -MAX_NUMBER_OF_ORIGINAL_FORMATS = (32) +MAX_NUMBER_OF_ORIGINAL_FORMATS = 32 # Audio -MONO = (0) -STEREO_INTERLEAVED = (1) +MONO = 0 +STEREO_INTERLEAVED = 1 # Video # YUV is defined to be the same thing as YCrCb (luma and two chroma components). @@ -21,152 +22,215 @@ STEREO_INTERLEAVED = (1) # vertically in addition to horizontally, and is packed the same as # 422 except that U & V are not valid on the second line. # -RGB = (0) -RGBX = (1) -RGBA = (2) -RGB332 = (3) +RGB = 0 +RGBX = 1 +RGBA = 2 +RGB332 = 3 + +GRAYSCALE = 4 +Y = 4 +YUV = 5 +YCbCr = 5 +YUV422 = 6 # 4:2:2 sampling +YCbCr422 = 6 # 4:2:2 sampling +YUV422HC = 7 # 4:1:1 sampling +YCbCr422HC = 7 # 4:1:1 sampling +YUV422DC = 7 # 4:1:1 sampling +YCbCr422DC = 7 # 4:1:1 sampling + +BEST_FIT = -1 + +def BytesPerSample(s): + if s in (MONO, YUV): + return 2 + elif s == STEREO_INTERLEAVED: + return 4 + else: + return 0 + +def BytesPerPixel(f): + if f in (RGB, YUV): + return 3 + elif f in (RGBX, RGBA): + return 4 + elif f in (RGB332, GRAYSCALE): + return 1 + else: + return 2 + +def AudioFormatName(f): + if f == MONO: + return 'MONO' + elif f == STEREO_INTERLEAVED: + return 'STEREO_INTERLEAVED' + else: + return 'Not a valid format' + +def VideoFormatName(f): + if f == RGB: + return 'RGB' + elif f == RGBX: + return 'RGBX' + elif f == RGBA: + return 'RGBA' + elif f == RGB332: + return 'RGB332' + elif f == GRAYSCALE: + return 'GRAYSCALE' + elif f == YUV: + return 'YUV' + elif f == YUV422: + return 'YUV422' + elif f == YUV422DC: + return 'YUV422DC' + else: + return 'Not a valid format' + +MAX_NUMBER_OF_AUDIO_ALGORITHMS = 32 +MAX_NUMBER_OF_VIDEO_ALGORITHMS = 32 -GRAYSCALE = (4) -Y = (4) -YUV = (5) -YCbCr = (5) -YUV422 = (6) # 4:2:2 sampling -YCbCr422 = (6) # 4:2:2 sampling -YUV422HC = (7) # 4:1:1 sampling -YCbCr422HC = (7) # 4:1:1 sampling +# +# Algorithm types +# +AUDIO = 0 +VIDEO = 1 -MAX_NUMBER_OF_AUDIO_ALGORITHMS = (32) -MAX_NUMBER_OF_VIDEO_ALGORITHMS = (32) +def AlgorithmNumber(scheme): + return scheme & 0x7fff +def AlgorithmType(scheme): + return (scheme >> 15) & 1 +def Algorithm(type, n): + return n | ((type & 1) << 15) # # "compressionScheme" argument values # -UNCOMPRESSED_AUDIO = (0) -G711_ULAW = (1) -ULAW = (1) -G711_ALAW = (2) -ALAW = (2) -G722 = (3) +UNKNOWN_SCHEME = -1 + +UNCOMPRESSED_AUDIO = Algorithm(AUDIO, 0) +G711_ULAW = Algorithm(AUDIO, 1) +ULAW = Algorithm(AUDIO, 1) +G711_ALAW = Algorithm(AUDIO, 2) +ALAW = Algorithm(AUDIO, 2) +AWARE_MPEG_AUDIO = Algorithm(AUDIO, 3) +AWARE_MULTIRATE = Algorithm(AUDIO, 4) -UNCOMPRESSED = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 0) -UNCOMPRESSED_VIDEO = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 0) -RLE = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 1) -JPEG = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 2) -MPEG_VIDEO = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 3) -MVC1 = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 4) -RTR = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 5) -RTR1 = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 5) +UNCOMPRESSED = Algorithm(VIDEO, 0) +UNCOMPRESSED_VIDEO = Algorithm(VIDEO, 0) +RLE = Algorithm(VIDEO, 1) +JPEG = Algorithm(VIDEO, 2) +MPEG_VIDEO = Algorithm(VIDEO, 3) +MVC1 = Algorithm(VIDEO, 4) +RTR = Algorithm(VIDEO, 5) +RTR1 = Algorithm(VIDEO, 5) # # Parameters # -MAX_NUMBER_OF_PARAMS = (256) +MAX_NUMBER_OF_PARAMS = 256 # Default Parameters -IMAGE_WIDTH = (0) -IMAGE_HEIGHT = (1) -ORIGINAL_FORMAT = (2) -INTERNAL_FORMAT = (3) -COMPONENTS = (4) -BITS_PER_COMPONENT = (5) -FRAME_RATE = (6) -COMPRESSION_RATIO = (7) -EXACT_COMPRESSION_RATIO = (8) -FRAME_BUFFER_SIZE = (9) -COMPRESSED_BUFFER_SIZE = (10) -BLOCK_SIZE = (11) -PREROLL = (12) -UNIQUE = (13) -FRAME_TYPE = (14) -OVERWRITE_MODE = (15) -NUMBER_OF_PARAMS = (16) +IMAGE_WIDTH = 0 +IMAGE_HEIGHT = 1 +ORIGINAL_FORMAT = 2 +INTERNAL_FORMAT = 3 +COMPONENTS = 4 +BITS_PER_COMPONENT = 5 +FRAME_RATE = 6 +COMPRESSION_RATIO = 7 +EXACT_COMPRESSION_RATIO = 8 +FRAME_BUFFER_SIZE = 9 +COMPRESSED_BUFFER_SIZE = 10 +BLOCK_SIZE = 11 +PREROLL = 12 +FRAME_TYPE = 13 +ALGORITHM_ID = 14 +ALGORITHM_VERSION = 15 +ORIENTATION = 16 +NUMBER_OF_FRAMES = 17 +SPEED = 18 +LAST_FRAME_INDEX = 19 +NUMBER_OF_PARAMS = 20 # JPEG Specific Parameters -QUALITY_FACTOR = (NUMBER_OF_PARAMS + 0) +QUALITY_FACTOR = NUMBER_OF_PARAMS + 0 # MPEG Specific Parameters -SPEED = (NUMBER_OF_PARAMS + 0) -ACTUAL_FRAME_INDEX = (NUMBER_OF_PARAMS + 1) +END_OF_SEQUENCE = NUMBER_OF_PARAMS + 0 # RTR Specific Parameters -QUALITY_LEVEL = (NUMBER_OF_PARAMS + 0) - -# #define clTypeIsFloat(v) (*(float *)&(v)) -# #define clTypeIsLong(v) (*(long *)&(v)) -# -# RATIO_1 = (65536.0) -# #define clFloatToRatio(f) ((long)((float)(f) * RATIO_1)) -# #define clRatioToFloat(f) ((float)(f) / RATIO_1) -# RATIO_SHIFT = (16) -# #define clRatioMul(m, r) ((m) * (r)) -# #define clRatioToLong(r) ((r) >> RATIO_SHIFT) -# #define clLongToRatio(r) ((r) << RATIO_SHIFT) +QUALITY_LEVEL = NUMBER_OF_PARAMS + 0 +ZOOM_X = NUMBER_OF_PARAMS + 1 +ZOOM_Y = NUMBER_OF_PARAMS + 2 # # Parameter value types # -ENUM_VALUE = (0) # only certain constant values are valid -RANGE_VALUE = (1) # any value in a given range is valid -FLOATING_ENUM_VALUE = (2) # only certain constant floating point values are valid -FLOATING_RANGE_VALUE = (3) # any value in a given floating point range is valid -POINTER = (4) # any legal pointer is valid +ENUM_VALUE = 0 # only certain constant values are valid +RANGE_VALUE = 1 # any value in a given range is valid +FLOATING_ENUM_VALUE = 2 # only certain constant floating point values are valid +FLOATING_RANGE_VALUE = 3 # any value in a given floating point range is valid # -# Algorithm types +# Algorithm Functionality # -AUDIO = (0) -VIDEO = (1) +DECOMPRESSOR = 1 +COMPRESSOR = 2 +CODEC = 3 # -# Algorithm Functionality +# Buffer types # -DECOMPRESSOR = (1) -COMPRESSOR = (2) -CODEC = (3) +NONE = 0 +FRAME = 1 +DATA = 2 # -# Buffer types +# Frame types +# +NONE = 0 +KEYFRAME = 1 +INTRA = 1 +PREDICTED = 2 +BIDIRECTIONAL = 3 + +# +# Orientations # -NONE = (0) -FRAME = (1) -DATA = (2) +TOP_DOWN = 0 +BOTTOM_UP = 1 + +# +# SGI Proprietaty Algorithm Header Start Code +# +HEADER_START_CODE = 0xc1C0DEC # # error codes # -BAD_NOT_IMPLEMENTED = ( -1) # not impimented yet -BAD_NO_BUFFERSPACE = ( -2) # no space for internal buffers -BAD_BUFFER_NULL = ( -3) # null buffer pointer -BAD_COUNT_NEG = ( -4) # negative count -BAD_PVBUFFER = ( -5) # param/val buffer doesn't make sense -BAD_BUFFERLENGTH_NEG = ( -6) # negative buffer length -BAD_BUFFERLENGTH_ODD = ( -7) # odd length parameter/value buffer -BAD_PARAM = ( -8) # invalid parameter -BAD_COMPRESSION_SCHEME = ( -9) # compression scheme parameter invalid -BAD_COMPRESSOR_HANDLE = (-10) # compression handle parameter invalid -BAD_COMPRESSOR_HANDLE_POINTER = (-11) # compression handle pointer invalid -BAD_BUFFER_HANDLE = (-12) # callback function invalid -BAD_ALGORITHM_INFO = (-13) # algorithm info invalid -BAD_CL_BAD_WIDTH_OR_HEIGHT = (-14) # compressor width or height invalid -BAD_POINTER_FROM_CALLBACK_FUNCTION = (-15) # pointer from callback invalid -JPEG_ERROR = (-16) # error from libjpeg -NO_SEMAPHORE = (-17) # could not get semaphore -BAD_WIDTH_OR_HEIGHT = (-18) # width or height invalid -BAD_FRAME_COUNT = (-19) # frame count invalid -BAD_FRAME_INDEX = (-20) # frame index invalid -BAD_FRAME_BUFFER = (-21) # frame buffer pointer invalid -BAD_FRAME_SIZE = (-22) # frame size invalid -BAD_DATA_BUFFER = (-23) # data buffer pointer invalid -BAD_DATA_SIZE = (-24) # data buffer size invalid -BAD_TOTAL_NUMBER_OF_FRAMES = (-25) # total number of frames invalid -BAD_IMAGE_FORMAT = (-26) # image format invalid -BAD_BITS_PER_COMPONENT = (-27) # bits per component invalid -BAD_FRAME_RATE = (-28) # frame rate invalid -BAD_INSUFFICIENT_DATA_FROM_CALLBACK_FUNCTION = (-29) # insufficient data from callback invalid -PARAM_OUT_OF_RANGE = (-30) # parameter out of range -ADDED_ALGORITHM_ERROR = (-31) # added algorithm had a unique error -BAD_ALGORITHM_TYPE = (-32) # bad algorithm type -BAD_ALGORITHM_NAME = (-33) # bad algorithm name -BAD_FRAME_INDEXING = (-34) # bad frame indexing -BAD_BUFFERING = (-35) # bad buffering calls -BUFFER_NOT_CREATED = (-36) # buffer not created -BAD_BUFFER_EXISTS = (-37) # buffer already created + +BAD_NO_BUFFERSPACE = -2 # no space for internal buffers +BAD_PVBUFFER = -3 # param/val buffer doesn't make sense +BAD_BUFFERLENGTH_NEG = -4 # negative buffer length +BAD_BUFFERLENGTH_ODD = -5 # odd length parameter/value buffer +BAD_PARAM = -6 # invalid parameter +BAD_COMPRESSION_SCHEME = -7 # compression scheme parameter invalid +BAD_COMPRESSOR_HANDLE = -8 # compression handle parameter invalid +BAD_COMPRESSOR_HANDLE_POINTER = -9 # compression handle pointer invalid +BAD_BUFFER_HANDLE = -10 # buffer handle invalid +BAD_BUFFER_QUERY_SIZE = -11 # buffer query size too large +JPEG_ERROR = -12 # error from libjpeg +BAD_FRAME_SIZE = -13 # frame size invalid +PARAM_OUT_OF_RANGE = -14 # parameter out of range +ADDED_ALGORITHM_ERROR = -15 # added algorithm had a unique error +BAD_ALGORITHM_TYPE = -16 # bad algorithm type +BAD_ALGORITHM_NAME = -17 # bad algorithm name +BAD_BUFFERING = -18 # bad buffering calls +BUFFER_NOT_CREATED = -19 # buffer not created +BAD_BUFFER_EXISTS = -20 # buffer already created +BAD_INTERNAL_FORMAT = -21 # invalid internal format +BAD_BUFFER_POINTER = -22 # invalid buffer pointer +FRAME_BUFFER_SIZE_ZERO = -23 # frame buffer has zero size +BAD_STREAM_HEADER = -24 # invalid stream header + +BAD_LICENSE = -25 # netls license not valid +AWARE_ERROR = -26 # error from libawcmp diff --git a/Lib/plat-irix5/CL.py b/Lib/plat-irix5/CL.py index c64f088..41c56e0 100755 --- a/Lib/plat-irix5/CL.py +++ b/Lib/plat-irix5/CL.py @@ -1,17 +1,18 @@ # # cl.h - Compression Library typedefs and prototypes # +# 01/07/92 Cleanup by Brian Knittel # 02/18/92 Original Version by Brian Knittel # # # originalFormat parameter values # -MAX_NUMBER_OF_ORIGINAL_FORMATS = (32) +MAX_NUMBER_OF_ORIGINAL_FORMATS = 32 # Audio -MONO = (0) -STEREO_INTERLEAVED = (1) +MONO = 0 +STEREO_INTERLEAVED = 1 # Video # YUV is defined to be the same thing as YCrCb (luma and two chroma components). @@ -21,152 +22,215 @@ STEREO_INTERLEAVED = (1) # vertically in addition to horizontally, and is packed the same as # 422 except that U & V are not valid on the second line. # -RGB = (0) -RGBX = (1) -RGBA = (2) -RGB332 = (3) +RGB = 0 +RGBX = 1 +RGBA = 2 +RGB332 = 3 + +GRAYSCALE = 4 +Y = 4 +YUV = 5 +YCbCr = 5 +YUV422 = 6 # 4:2:2 sampling +YCbCr422 = 6 # 4:2:2 sampling +YUV422HC = 7 # 4:1:1 sampling +YCbCr422HC = 7 # 4:1:1 sampling +YUV422DC = 7 # 4:1:1 sampling +YCbCr422DC = 7 # 4:1:1 sampling + +BEST_FIT = -1 + +def BytesPerSample(s): + if s in (MONO, YUV): + return 2 + elif s == STEREO_INTERLEAVED: + return 4 + else: + return 0 + +def BytesPerPixel(f): + if f in (RGB, YUV): + return 3 + elif f in (RGBX, RGBA): + return 4 + elif f in (RGB332, GRAYSCALE): + return 1 + else: + return 2 + +def AudioFormatName(f): + if f == MONO: + return 'MONO' + elif f == STEREO_INTERLEAVED: + return 'STEREO_INTERLEAVED' + else: + return 'Not a valid format' + +def VideoFormatName(f): + if f == RGB: + return 'RGB' + elif f == RGBX: + return 'RGBX' + elif f == RGBA: + return 'RGBA' + elif f == RGB332: + return 'RGB332' + elif f == GRAYSCALE: + return 'GRAYSCALE' + elif f == YUV: + return 'YUV' + elif f == YUV422: + return 'YUV422' + elif f == YUV422DC: + return 'YUV422DC' + else: + return 'Not a valid format' + +MAX_NUMBER_OF_AUDIO_ALGORITHMS = 32 +MAX_NUMBER_OF_VIDEO_ALGORITHMS = 32 -GRAYSCALE = (4) -Y = (4) -YUV = (5) -YCbCr = (5) -YUV422 = (6) # 4:2:2 sampling -YCbCr422 = (6) # 4:2:2 sampling -YUV422HC = (7) # 4:1:1 sampling -YCbCr422HC = (7) # 4:1:1 sampling +# +# Algorithm types +# +AUDIO = 0 +VIDEO = 1 -MAX_NUMBER_OF_AUDIO_ALGORITHMS = (32) -MAX_NUMBER_OF_VIDEO_ALGORITHMS = (32) +def AlgorithmNumber(scheme): + return scheme & 0x7fff +def AlgorithmType(scheme): + return (scheme >> 15) & 1 +def Algorithm(type, n): + return n | ((type & 1) << 15) # # "compressionScheme" argument values # -UNCOMPRESSED_AUDIO = (0) -G711_ULAW = (1) -ULAW = (1) -G711_ALAW = (2) -ALAW = (2) -G722 = (3) +UNKNOWN_SCHEME = -1 + +UNCOMPRESSED_AUDIO = Algorithm(AUDIO, 0) +G711_ULAW = Algorithm(AUDIO, 1) +ULAW = Algorithm(AUDIO, 1) +G711_ALAW = Algorithm(AUDIO, 2) +ALAW = Algorithm(AUDIO, 2) +AWARE_MPEG_AUDIO = Algorithm(AUDIO, 3) +AWARE_MULTIRATE = Algorithm(AUDIO, 4) -UNCOMPRESSED = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 0) -UNCOMPRESSED_VIDEO = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 0) -RLE = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 1) -JPEG = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 2) -MPEG_VIDEO = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 3) -MVC1 = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 4) -RTR = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 5) -RTR1 = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 5) +UNCOMPRESSED = Algorithm(VIDEO, 0) +UNCOMPRESSED_VIDEO = Algorithm(VIDEO, 0) +RLE = Algorithm(VIDEO, 1) +JPEG = Algorithm(VIDEO, 2) +MPEG_VIDEO = Algorithm(VIDEO, 3) +MVC1 = Algorithm(VIDEO, 4) +RTR = Algorithm(VIDEO, 5) +RTR1 = Algorithm(VIDEO, 5) # # Parameters # -MAX_NUMBER_OF_PARAMS = (256) +MAX_NUMBER_OF_PARAMS = 256 # Default Parameters -IMAGE_WIDTH = (0) -IMAGE_HEIGHT = (1) -ORIGINAL_FORMAT = (2) -INTERNAL_FORMAT = (3) -COMPONENTS = (4) -BITS_PER_COMPONENT = (5) -FRAME_RATE = (6) -COMPRESSION_RATIO = (7) -EXACT_COMPRESSION_RATIO = (8) -FRAME_BUFFER_SIZE = (9) -COMPRESSED_BUFFER_SIZE = (10) -BLOCK_SIZE = (11) -PREROLL = (12) -UNIQUE = (13) -FRAME_TYPE = (14) -OVERWRITE_MODE = (15) -NUMBER_OF_PARAMS = (16) +IMAGE_WIDTH = 0 +IMAGE_HEIGHT = 1 +ORIGINAL_FORMAT = 2 +INTERNAL_FORMAT = 3 +COMPONENTS = 4 +BITS_PER_COMPONENT = 5 +FRAME_RATE = 6 +COMPRESSION_RATIO = 7 +EXACT_COMPRESSION_RATIO = 8 +FRAME_BUFFER_SIZE = 9 +COMPRESSED_BUFFER_SIZE = 10 +BLOCK_SIZE = 11 +PREROLL = 12 +FRAME_TYPE = 13 +ALGORITHM_ID = 14 +ALGORITHM_VERSION = 15 +ORIENTATION = 16 +NUMBER_OF_FRAMES = 17 +SPEED = 18 +LAST_FRAME_INDEX = 19 +NUMBER_OF_PARAMS = 20 # JPEG Specific Parameters -QUALITY_FACTOR = (NUMBER_OF_PARAMS + 0) +QUALITY_FACTOR = NUMBER_OF_PARAMS + 0 # MPEG Specific Parameters -SPEED = (NUMBER_OF_PARAMS + 0) -ACTUAL_FRAME_INDEX = (NUMBER_OF_PARAMS + 1) +END_OF_SEQUENCE = NUMBER_OF_PARAMS + 0 # RTR Specific Parameters -QUALITY_LEVEL = (NUMBER_OF_PARAMS + 0) - -# #define clTypeIsFloat(v) (*(float *)&(v)) -# #define clTypeIsLong(v) (*(long *)&(v)) -# -# RATIO_1 = (65536.0) -# #define clFloatToRatio(f) ((long)((float)(f) * RATIO_1)) -# #define clRatioToFloat(f) ((float)(f) / RATIO_1) -# RATIO_SHIFT = (16) -# #define clRatioMul(m, r) ((m) * (r)) -# #define clRatioToLong(r) ((r) >> RATIO_SHIFT) -# #define clLongToRatio(r) ((r) << RATIO_SHIFT) +QUALITY_LEVEL = NUMBER_OF_PARAMS + 0 +ZOOM_X = NUMBER_OF_PARAMS + 1 +ZOOM_Y = NUMBER_OF_PARAMS + 2 # # Parameter value types # -ENUM_VALUE = (0) # only certain constant values are valid -RANGE_VALUE = (1) # any value in a given range is valid -FLOATING_ENUM_VALUE = (2) # only certain constant floating point values are valid -FLOATING_RANGE_VALUE = (3) # any value in a given floating point range is valid -POINTER = (4) # any legal pointer is valid +ENUM_VALUE = 0 # only certain constant values are valid +RANGE_VALUE = 1 # any value in a given range is valid +FLOATING_ENUM_VALUE = 2 # only certain constant floating point values are valid +FLOATING_RANGE_VALUE = 3 # any value in a given floating point range is valid # -# Algorithm types +# Algorithm Functionality # -AUDIO = (0) -VIDEO = (1) +DECOMPRESSOR = 1 +COMPRESSOR = 2 +CODEC = 3 # -# Algorithm Functionality +# Buffer types # -DECOMPRESSOR = (1) -COMPRESSOR = (2) -CODEC = (3) +NONE = 0 +FRAME = 1 +DATA = 2 # -# Buffer types +# Frame types +# +NONE = 0 +KEYFRAME = 1 +INTRA = 1 +PREDICTED = 2 +BIDIRECTIONAL = 3 + +# +# Orientations # -NONE = (0) -FRAME = (1) -DATA = (2) +TOP_DOWN = 0 +BOTTOM_UP = 1 + +# +# SGI Proprietaty Algorithm Header Start Code +# +HEADER_START_CODE = 0xc1C0DEC # # error codes # -BAD_NOT_IMPLEMENTED = ( -1) # not impimented yet -BAD_NO_BUFFERSPACE = ( -2) # no space for internal buffers -BAD_BUFFER_NULL = ( -3) # null buffer pointer -BAD_COUNT_NEG = ( -4) # negative count -BAD_PVBUFFER = ( -5) # param/val buffer doesn't make sense -BAD_BUFFERLENGTH_NEG = ( -6) # negative buffer length -BAD_BUFFERLENGTH_ODD = ( -7) # odd length parameter/value buffer -BAD_PARAM = ( -8) # invalid parameter -BAD_COMPRESSION_SCHEME = ( -9) # compression scheme parameter invalid -BAD_COMPRESSOR_HANDLE = (-10) # compression handle parameter invalid -BAD_COMPRESSOR_HANDLE_POINTER = (-11) # compression handle pointer invalid -BAD_BUFFER_HANDLE = (-12) # callback function invalid -BAD_ALGORITHM_INFO = (-13) # algorithm info invalid -BAD_CL_BAD_WIDTH_OR_HEIGHT = (-14) # compressor width or height invalid -BAD_POINTER_FROM_CALLBACK_FUNCTION = (-15) # pointer from callback invalid -JPEG_ERROR = (-16) # error from libjpeg -NO_SEMAPHORE = (-17) # could not get semaphore -BAD_WIDTH_OR_HEIGHT = (-18) # width or height invalid -BAD_FRAME_COUNT = (-19) # frame count invalid -BAD_FRAME_INDEX = (-20) # frame index invalid -BAD_FRAME_BUFFER = (-21) # frame buffer pointer invalid -BAD_FRAME_SIZE = (-22) # frame size invalid -BAD_DATA_BUFFER = (-23) # data buffer pointer invalid -BAD_DATA_SIZE = (-24) # data buffer size invalid -BAD_TOTAL_NUMBER_OF_FRAMES = (-25) # total number of frames invalid -BAD_IMAGE_FORMAT = (-26) # image format invalid -BAD_BITS_PER_COMPONENT = (-27) # bits per component invalid -BAD_FRAME_RATE = (-28) # frame rate invalid -BAD_INSUFFICIENT_DATA_FROM_CALLBACK_FUNCTION = (-29) # insufficient data from callback invalid -PARAM_OUT_OF_RANGE = (-30) # parameter out of range -ADDED_ALGORITHM_ERROR = (-31) # added algorithm had a unique error -BAD_ALGORITHM_TYPE = (-32) # bad algorithm type -BAD_ALGORITHM_NAME = (-33) # bad algorithm name -BAD_FRAME_INDEXING = (-34) # bad frame indexing -BAD_BUFFERING = (-35) # bad buffering calls -BUFFER_NOT_CREATED = (-36) # buffer not created -BAD_BUFFER_EXISTS = (-37) # buffer already created + +BAD_NO_BUFFERSPACE = -2 # no space for internal buffers +BAD_PVBUFFER = -3 # param/val buffer doesn't make sense +BAD_BUFFERLENGTH_NEG = -4 # negative buffer length +BAD_BUFFERLENGTH_ODD = -5 # odd length parameter/value buffer +BAD_PARAM = -6 # invalid parameter +BAD_COMPRESSION_SCHEME = -7 # compression scheme parameter invalid +BAD_COMPRESSOR_HANDLE = -8 # compression handle parameter invalid +BAD_COMPRESSOR_HANDLE_POINTER = -9 # compression handle pointer invalid +BAD_BUFFER_HANDLE = -10 # buffer handle invalid +BAD_BUFFER_QUERY_SIZE = -11 # buffer query size too large +JPEG_ERROR = -12 # error from libjpeg +BAD_FRAME_SIZE = -13 # frame size invalid +PARAM_OUT_OF_RANGE = -14 # parameter out of range +ADDED_ALGORITHM_ERROR = -15 # added algorithm had a unique error +BAD_ALGORITHM_TYPE = -16 # bad algorithm type +BAD_ALGORITHM_NAME = -17 # bad algorithm name +BAD_BUFFERING = -18 # bad buffering calls +BUFFER_NOT_CREATED = -19 # buffer not created +BAD_BUFFER_EXISTS = -20 # buffer already created +BAD_INTERNAL_FORMAT = -21 # invalid internal format +BAD_BUFFER_POINTER = -22 # invalid buffer pointer +FRAME_BUFFER_SIZE_ZERO = -23 # frame buffer has zero size +BAD_STREAM_HEADER = -24 # invalid stream header + +BAD_LICENSE = -25 # netls license not valid +AWARE_ERROR = -26 # error from libawcmp |