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"""Wrapper for include/libavutil/avutil.h
"""
from ctypes import c_char_p, c_void_p, POINTER, Structure
from ctypes import c_int, c_int64, c_uint64
from ctypes import c_uint8, c_int8, c_uint, c_size_t
import pyglet.lib
from pyglet.util import debug_print
from . import compat
_debug = debug_print('debug_media')
avutil = pyglet.lib.load_library(
'avutil',
win32=('avutil-57', 'avutil-56'),
darwin=('avutil.57', 'avutil-56')
)
avutil.avutil_version.restype = c_int
compat.set_version('avutil', avutil.avutil_version() >> 16)
AVMEDIA_TYPE_UNKNOWN = -1
AVMEDIA_TYPE_VIDEO = 0
AVMEDIA_TYPE_AUDIO = 1
AVMEDIA_TYPE_DATA = 2
AVMEDIA_TYPE_SUBTITLE = 3
AVMEDIA_TYPE_ATTACHMENT = 4
AVMEDIA_TYPE_NB = 5
AV_SAMPLE_FMT_U8 = 0
AV_SAMPLE_FMT_S16 = 1
AV_SAMPLE_FMT_S32 = 2
AV_SAMPLE_FMT_FLT = 3
AV_SAMPLE_FORMAT_DOUBLE = 4
AV_SAMPLE_FMT_U8P = 5
AV_SAMPLE_FMT_S16P = 6
AV_SAMPLE_FMT_S32P = 7
AV_SAMPLE_FMT_FLTP = 8
AV_SAMPLE_FMT_DBLP = 9
AV_SAMPLE_FMT_S64 = 10
AV_SAMPLE_FMT_S64P = 11
AV_NUM_DATA_POINTERS = 8
AV_PIX_FMT_RGB24 = 2
AV_PIX_FMT_ARGB = 25
AV_PIX_FMT_RGBA = 26
AVChannelOrder = c_int
class AVChannelLayout(Structure):
_fields_ = [
('order', c_int),
('nb_channels', c_int),
# .. more
]
class AVBuffer(Structure):
_fields_ = [
('data', POINTER(c_uint8)),
('size', c_int),
# .. more
]
class AVBufferRef(Structure):
_fields_ = [
('buffer', POINTER(AVBuffer)),
('data', POINTER(c_uint8)),
('size', c_int)
]
class AVDictionaryEntry(Structure):
_fields_ = [
('key', c_char_p),
('value', c_char_p)
]
class AVDictionary(Structure):
_fields_ = [
('count', c_int),
('elems', POINTER(AVDictionaryEntry))
]
class AVClass(Structure):
pass
class AVRational(Structure):
_fields_ = [
('num', c_int),
('den', c_int)
]
def __repr__(self):
return f"AVRational({self.num}/{self.den})"
class AVFrameSideData(Structure):
pass
class AVFrame(Structure):
pass
AVFrame_Fields = [
('data', POINTER(c_uint8) * AV_NUM_DATA_POINTERS),
('linesize', c_int * AV_NUM_DATA_POINTERS),
('extended_data', POINTER(POINTER(c_uint8))),
('width', c_int),
('height', c_int),
('nb_samples', c_int),
('format', c_int),
('key_frame', c_int),
('pict_type', c_int),
('sample_aspect_ratio', AVRational),
('pts', c_int64),
('pkt_pts', c_int64), # Deprecated. Removed in 57.
('pkt_dts', c_int64),
('time_base', AVRational), # (5.x)
('coded_picture_number', c_int),
('display_picture_number', c_int),
('quality', c_int),
('opaque', c_void_p),
('error', c_uint64 * AV_NUM_DATA_POINTERS), # Deprecated. Removed in 57.
('repeat_pict', c_int),
('interlaced_frame', c_int),
('top_field_first', c_int),
('palette_has_changed', c_int),
('reordered_opaque', c_int64),
('sample_rate', c_int),
('channel_layout', c_uint64),
('buf', POINTER(AVBufferRef) * AV_NUM_DATA_POINTERS),
('extended_buf', POINTER(POINTER(AVBufferRef))),
('nb_extended_buf', c_int),
('side_data', POINTER(POINTER(AVFrameSideData))),
('nb_side_data', c_int),
('flags', c_int),
('color_range', c_int),
('color_primaries', c_int),
('color_trc', c_int),
('colorspace', c_int),
('chroma_location', c_int),
('best_effort_timestamp', c_int64),
('pkt_pos', c_int64),
('pkt_duration', c_int64),
# !
('metadata', POINTER(AVDictionary)),
('decode_error_flags', c_int),
('channels', c_int),
('pkt_size', c_int),
('qscale_table', POINTER(c_int8)), # Deprecated. Removed in 57.
('qstride', c_int), # Deprecated. Removed in 57.
('qscale_type', c_int), # Deprecated. Removed in 57.
('qp_table_buf', POINTER(AVBufferRef)), # Deprecated. Removed in 57.
('hw_frames_ctx', POINTER(AVBufferRef)),
('opaque_ref', POINTER(AVBufferRef)),
('crop_top', c_size_t), # video frames only
('crop_bottom', c_size_t), # video frames only
('crop_left', c_size_t), # video frames only
('crop_right', c_size_t), # video frames only
('private_ref', POINTER(AVBufferRef)),
]
compat.add_version_changes('avutil', 56, AVFrame, AVFrame_Fields,
removals=('time_base',))
compat.add_version_changes('avutil', 57, AVFrame, AVFrame_Fields,
removals=('pkt_pts', 'error', 'qscale_table', 'qstride', 'qscale_type', 'qp_table_buf'))
AV_NOPTS_VALUE = -0x8000000000000000
AV_TIME_BASE = 1000000
AV_TIME_BASE_Q = AVRational(1, AV_TIME_BASE)
avutil.av_version_info.restype = c_char_p
avutil.av_dict_get.restype = POINTER(AVDictionaryEntry)
avutil.av_dict_get.argtypes = [POINTER(AVDictionary),
c_char_p, POINTER(AVDictionaryEntry),
c_int]
avutil.av_rescale_q.restype = c_int64
avutil.av_rescale_q.argtypes = [c_int64, AVRational, AVRational]
avutil.av_samples_get_buffer_size.restype = c_int
avutil.av_samples_get_buffer_size.argtypes = [POINTER(c_int),
c_int, c_int, c_int]
avutil.av_frame_alloc.restype = POINTER(AVFrame)
avutil.av_frame_free.argtypes = [POINTER(POINTER(AVFrame))]
avutil.av_get_default_channel_layout.restype = c_int64
avutil.av_get_default_channel_layout.argtypes = [c_int]
avutil.av_get_bytes_per_sample.restype = c_int
avutil.av_get_bytes_per_sample.argtypes = [c_int]
avutil.av_strerror.restype = c_int
avutil.av_strerror.argtypes = [c_int, c_char_p, c_size_t]
avutil.av_image_fill_arrays.restype = c_int
avutil.av_image_fill_arrays.argtypes = [POINTER(c_uint8) * 4, c_int * 4,
POINTER(c_uint8), c_int, c_int, c_int, c_int]
avutil.av_dict_set.restype = c_int
avutil.av_dict_set.argtypes = [POINTER(POINTER(AVDictionary)),
c_char_p, c_char_p, c_int]
avutil.av_dict_free.argtypes = [POINTER(POINTER(AVDictionary))]
avutil.av_log_set_level.restype = c_int
avutil.av_log_set_level.argtypes = [c_uint]
avutil.av_malloc.restype = c_void_p
avutil.av_malloc.argtypes = [c_int]
avutil.av_freep.restype = c_void_p
avutil.av_freep.argtypes = [c_void_p]
__all__ = [
'avutil',
'AVMEDIA_TYPE_UNKNOWN',
'AVMEDIA_TYPE_VIDEO',
'AVMEDIA_TYPE_AUDIO',
'AVMEDIA_TYPE_DATA',
'AVMEDIA_TYPE_SUBTITLE',
'AVMEDIA_TYPE_ATTACHMENT',
'AVMEDIA_TYPE_NB',
'AV_SAMPLE_FMT_U8',
'AV_SAMPLE_FMT_S16',
'AV_SAMPLE_FMT_S32',
'AV_SAMPLE_FMT_FLT',
'AV_SAMPLE_FORMAT_DOUBLE',
'AV_SAMPLE_FMT_U8P',
'AV_SAMPLE_FMT_S16P',
'AV_SAMPLE_FMT_S32P',
'AV_SAMPLE_FMT_FLTP',
'AV_SAMPLE_FMT_DBLP',
'AV_SAMPLE_FMT_S64',
'AV_SAMPLE_FMT_S64P',
'AV_NUM_DATA_POINTERS',
'AV_PIX_FMT_RGB24',
'AV_PIX_FMT_ARGB',
'AV_PIX_FMT_RGBA',
'AV_NOPTS_VALUE',
'AV_TIME_BASE',
'AV_TIME_BASE_Q',
'AVFrame',
'AVRational',
'AVDictionary',
]
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