250 lines
8.0 KiB
Python
250 lines
8.0 KiB
Python
# ----------------------------------------------------------------------------
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# pyglet
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# Copyright (c) 2006-2008 Alex Holkner
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# Copyright (c) 2008-2021 pyglet contributors
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of pyglet nor the names of its
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# contributors may be used to endorse or promote products
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# derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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# ----------------------------------------------------------------------------
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"""Wrapper for include/libavutil/avutil.h
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"""
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from ctypes import c_int, c_uint16, c_int32, c_int64, c_uint32, c_uint64
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from ctypes import c_uint8, c_int8, c_uint, c_double, c_float, c_ubyte, c_size_t, c_char
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from ctypes import c_char_p, c_void_p, addressof, byref, cast, POINTER, CFUNCTYPE, Structure
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from ctypes import Union, create_string_buffer, memmove
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import pyglet
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import pyglet.lib
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avutil = pyglet.lib.load_library(
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'avutil',
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win32='avutil-56',
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darwin='avutil.56'
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)
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AVMEDIA_TYPE_UNKNOWN = -1
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AVMEDIA_TYPE_VIDEO = 0
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AVMEDIA_TYPE_AUDIO = 1
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AVMEDIA_TYPE_DATA = 2
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AVMEDIA_TYPE_SUBTITLE = 3
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AVMEDIA_TYPE_ATTACHMENT = 4
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AVMEDIA_TYPE_NB = 5
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AV_SAMPLE_FMT_U8 = 0
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AV_SAMPLE_FMT_S16 = 1
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AV_SAMPLE_FMT_S32 = 2
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AV_SAMPLE_FMT_FLT = 3
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AV_SAMPLE_FORMAT_DOUBLE = 4
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AV_SAMPLE_FMT_U8P = 5
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AV_SAMPLE_FMT_S16P = 6
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AV_SAMPLE_FMT_S32P = 7
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AV_SAMPLE_FMT_FLTP = 8
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AV_SAMPLE_FMT_DBLP = 9
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AV_SAMPLE_FMT_S64 = 10
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AV_SAMPLE_FMT_S64P = 11
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AV_NUM_DATA_POINTERS = 8
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AV_PIX_FMT_RGB24 = 2
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AV_PIX_FMT_ARGB = 25
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AV_PIX_FMT_RGBA = 26
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class AVBuffer(Structure):
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_fields_ = [
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('data', POINTER(c_uint8)),
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('size', c_int),
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# .. more
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]
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class AVBufferRef(Structure):
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_fields_ = [
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('buffer', POINTER(AVBuffer)),
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('data', POINTER(c_uint8)),
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('size', c_int)
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]
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class AVDictionaryEntry(Structure):
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_fields_ = [
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('key', c_char_p),
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('value', c_char_p)
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]
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class AVDictionary(Structure):
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_fields_ = [
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('count', c_int),
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('elems', POINTER(AVDictionaryEntry))
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]
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class AVClass(Structure):
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pass
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class AVRational(Structure):
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_fields_ = [
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('num', c_int),
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('den', c_int)
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]
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class AVFrameSideData(Structure):
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pass
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class AVFrame(Structure):
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_fields_ = [
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('data', POINTER(c_uint8) * AV_NUM_DATA_POINTERS),
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('linesize', c_int * AV_NUM_DATA_POINTERS),
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('extended_data', POINTER(POINTER(c_uint8))),
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('width', c_int),
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('height', c_int),
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('nb_samples', c_int),
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('format', c_int),
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('key_frame', c_int),
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('pict_type', c_int),
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('sample_aspect_ratio', AVRational),
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('pts', c_int64),
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('pkt_pts', c_int64), # Deprecated
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('pkt_dts', c_int64),
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('coded_picture_number', c_int),
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('display_picture_number', c_int),
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('quality', c_int),
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('opaque', c_void_p),
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('error', c_uint64 * AV_NUM_DATA_POINTERS), # Deprecated
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('repeat_pict', c_int),
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('interlaced_frame', c_int),
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('top_field_first', c_int),
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('palette_has_changed', c_int),
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('reordered_opaque', c_int64),
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('sample_rate', c_int),
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('channel_layout', c_uint64),
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('buf', POINTER(AVBufferRef) * AV_NUM_DATA_POINTERS),
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('extended_buf', POINTER(POINTER(AVBufferRef))),
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('nb_extended_buf', c_int),
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('side_data', POINTER(POINTER(AVFrameSideData))),
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('nb_side_data', c_int),
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('flags', c_int),
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('color_range', c_int),
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('color_primaries', c_int),
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('color_trc', c_int),
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('colorspace', c_int),
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('chroma_location', c_int),
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('best_effort_timestamp', c_int64),
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('pkt_pos', c_int64),
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('pkt_duration', c_int64),
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# !
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('metadata', POINTER(AVDictionary)),
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('decode_error_flags', c_int),
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('channels', c_int),
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('pkt_size', c_int),
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('qscale_table', POINTER(c_int8)), # Deprecated
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('qstride', c_int), # Deprecated
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('qscale_type', c_int), # Deprecated
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('qp_table_buf', POINTER(AVBufferRef)), # Deprecated
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('hw_frames_ctx', POINTER(AVBufferRef)),
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('opaque_ref', POINTER(AVBufferRef)),
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('crop_top', c_size_t), # video frames only
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('crop_bottom', c_size_t), # video frames only
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('crop_left', c_size_t), # video frames only
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('crop_right', c_size_t), # video frames only
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('private_ref', POINTER(AVBufferRef)),
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]
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AV_NOPTS_VALUE = -0x8000000000000000
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AV_TIME_BASE = 1000000
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AV_TIME_BASE_Q = AVRational(1, AV_TIME_BASE)
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avutil.av_version_info.restype = c_char_p
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avutil.av_dict_get.restype = POINTER(AVDictionaryEntry)
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avutil.av_dict_get.argtypes = [POINTER(AVDictionary),
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c_char_p, POINTER(AVDictionaryEntry),
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c_int]
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avutil.av_rescale_q.restype = c_int64
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avutil.av_rescale_q.argtypes = [c_int64, AVRational, AVRational]
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avutil.av_samples_get_buffer_size.restype = c_int
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avutil.av_samples_get_buffer_size.argtypes = [POINTER(c_int),
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c_int, c_int, c_int]
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avutil.av_frame_alloc.restype = POINTER(AVFrame)
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avutil.av_frame_free.argtypes = [POINTER(POINTER(AVFrame))]
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avutil.av_get_default_channel_layout.restype = c_int64
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avutil.av_get_default_channel_layout.argtypes = [c_int]
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avutil.av_get_bytes_per_sample.restype = c_int
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avutil.av_get_bytes_per_sample.argtypes = [c_int]
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avutil.av_strerror.restype = c_int
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avutil.av_strerror.argtypes = [c_int, c_char_p, c_size_t]
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avutil.av_frame_get_best_effort_timestamp.restype = c_int64
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avutil.av_frame_get_best_effort_timestamp.argtypes = [POINTER(AVFrame)]
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avutil.av_image_fill_arrays.restype = c_int
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avutil.av_image_fill_arrays.argtypes = [POINTER(c_uint8) * 4, c_int * 4,
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POINTER(c_uint8), c_int, c_int, c_int, c_int]
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avutil.av_dict_set.restype = c_int
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avutil.av_dict_set.argtypes = [POINTER(POINTER(AVDictionary)),
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c_char_p, c_char_p, c_int]
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avutil.av_dict_free.argtypes = [POINTER(POINTER(AVDictionary))]
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avutil.av_log_set_level.restype = c_int
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avutil.av_log_set_level.argtypes = [c_uint]
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__all__ = [
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'avutil',
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'AVMEDIA_TYPE_UNKNOWN',
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'AVMEDIA_TYPE_VIDEO',
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'AVMEDIA_TYPE_AUDIO',
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'AVMEDIA_TYPE_DATA',
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'AVMEDIA_TYPE_SUBTITLE',
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'AVMEDIA_TYPE_ATTACHMENT',
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'AVMEDIA_TYPE_NB',
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'AV_SAMPLE_FMT_U8',
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'AV_SAMPLE_FMT_S16',
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'AV_SAMPLE_FMT_S32',
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'AV_SAMPLE_FMT_FLT',
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'AV_SAMPLE_FORMAT_DOUBLE',
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'AV_SAMPLE_FMT_U8P',
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'AV_SAMPLE_FMT_S16P',
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'AV_SAMPLE_FMT_S32P',
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'AV_SAMPLE_FMT_FLTP',
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'AV_SAMPLE_FMT_DBLP',
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'AV_SAMPLE_FMT_S64',
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'AV_SAMPLE_FMT_S64P',
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'AV_NUM_DATA_POINTERS',
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'AV_PIX_FMT_RGB24',
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'AV_PIX_FMT_ARGB',
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'AV_PIX_FMT_RGBA',
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'AV_NOPTS_VALUE',
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'AV_TIME_BASE',
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'AV_TIME_BASE_Q',
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'AVFrame',
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'AVRational',
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'AVDictionary',
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]
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