425 lines
14 KiB
Python
425 lines
14 KiB
Python
"""Wrapper for include/libavcodec/avcodec.h
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"""
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from ctypes import c_int, c_uint16, c_int64, c_uint32, c_uint64
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from ctypes import c_uint8, c_uint, c_float, c_char_p
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from ctypes import c_void_p, POINTER, CFUNCTYPE, Structure
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import pyglet.lib
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from pyglet.util import debug_print
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from . import compat
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from . import libavutil
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_debug = debug_print('debug_media')
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avcodec = pyglet.lib.load_library(
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'avcodec',
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win32=('avcodec-59', 'avcodec-58'),
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darwin=('avcodec.59', 'avcodec.58')
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)
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avcodec.avcodec_version.restype = c_int
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compat.set_version('avcodec', avcodec.avcodec_version() >> 16)
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FF_INPUT_BUFFER_PADDING_SIZE = 32
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class AVPacketSideData(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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('type', c_int)
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]
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AVBufferRef = libavutil.AVBufferRef
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AVRational = libavutil.AVRational
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class AVPacket(Structure):
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pass
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AVPacket_Fields = [
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('buf', POINTER(AVBufferRef)),
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('pts', c_int64),
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('dts', c_int64),
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('data', POINTER(c_uint8)),
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('size', c_int),
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('stream_index', c_int),
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('flags', c_int),
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('side_data', POINTER(AVPacketSideData)),
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('side_data_elems', c_int),
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('duration', c_int64),
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('pos', c_int64),
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('opaque', c_void_p), # 5.x only
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('opaque_ref', c_void_p), # 5.x only
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('time_base', AVRational), # 5.x only
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('convergence_duration', c_int64) # 4.x only
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]
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compat.add_version_changes('avcodec', 58, AVPacket, AVPacket_Fields,
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removals=('opaque', 'opaque_ref', 'time_base'))
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compat.add_version_changes('avcodec', 59, AVPacket, AVPacket_Fields,
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removals=('convergence_duration',))
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class AVCodecParserContext(Structure):
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pass
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class AVCodecParameters(Structure):
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_fields_ = [
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('codec_type', c_int),
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('codec_id', c_int),
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('codec_tag', c_uint32),
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('extradata', POINTER(c_uint8)),
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('extradata_size', c_int),
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('format', c_int),
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('bit_rate', c_int64),
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('bits_per_coded_sample', c_int),
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('bits_per_raw_sample', c_int),
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('profile', c_int),
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('level', c_int),
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('width', c_int),
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('height', c_int),
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('sample_aspect_ratio', AVRational),
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('field_order', 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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('color_space', c_int),
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('chroma_location', c_int),
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('video_delay', c_int),
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('channel_layout', c_uint64), # deprecated as of 59
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('channels', c_int), # deprecated as of 59
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('sample_rate', c_int),
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('block_align', c_int),
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('frame_size', c_int),
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('initial_padding', c_int),
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('trailing_padding', c_int),
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('seek_preroll', c_int)
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]
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class AVProfile(Structure):
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_fields_ = [
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('profile', c_int),
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('name', c_char_p),
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]
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class AVCodecDescriptor(Structure):
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_fields_ = [
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('id', c_int),
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('type', c_int),
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('name', c_char_p),
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('long_name', c_char_p),
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('props', c_int),
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('mime_types', c_char_p),
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('profiles', POINTER(AVProfile))
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]
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class AVCodecInternal(Structure):
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pass
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class AVCodec(Structure):
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_fields_ = [
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('name', c_char_p),
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('long_name', c_char_p),
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('type', c_int),
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('id', c_int),
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('capabilities', c_int),
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('supported_framerates', POINTER(AVRational)),
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('pix_fmts', POINTER(c_int)),
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('supported_samplerates', POINTER(c_int)),
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('sample_fmts', POINTER(c_int)),
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('channel_layouts', POINTER(c_uint64)),
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('max_lowres', c_uint8),
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# And more...
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]
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class AVCodecContext(Structure):
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pass
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class RcOverride(Structure):
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pass
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class AVHWAccel(Structure):
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pass
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AVClass = libavutil.AVClass
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AVFrame = libavutil.AVFrame
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AV_NUM_DATA_POINTERS = libavutil.AV_NUM_DATA_POINTERS
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AVCodecContext_Fields = [
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('av_class', POINTER(AVClass)),
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('log_level_offset', c_int),
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('codec_type', c_int),
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('codec', POINTER(AVCodec)),
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('codec_id', c_int),
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('codec_tag', c_uint),
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('priv_data', c_void_p),
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('internal', POINTER(AVCodecInternal)),
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('opaque', c_void_p),
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('bit_rate', c_int64),
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('bit_rate_tolerance', c_int),
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('global_quality', c_int),
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('compression_level', c_int),
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('flags', c_int),
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('flags2', c_int),
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('extradata', POINTER(c_uint8)),
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('extradata_size', c_int),
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('time_base', AVRational),
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('ticks_per_frame', c_int),
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('delay', c_int),
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('width', c_int),
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('height', c_int),
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('coded_width', c_int),
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('coded_height', c_int),
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('gop_size', c_int),
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('pix_fmt', c_int),
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('draw_horiz_band', CFUNCTYPE(None,
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POINTER(AVCodecContext), POINTER(AVFrame),
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c_int * 8, c_int, c_int, c_int)),
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('get_format', CFUNCTYPE(c_int, POINTER(AVCodecContext), POINTER(c_int))),
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('max_b_frames', c_int),
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('b_quant_factor', c_float),
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('b_frame_strategy', c_int), # Deprecated. Removed in 59.
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('b_quant_offset', c_float),
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('has_b_frames', c_int),
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('mpeg_quant', c_int), # Deprecated. Removed in 59.
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('i_quant_factor', c_float),
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('i_quant_offset', c_float),
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('lumi_masking', c_float),
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('temporal_cplx_masking', c_float),
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('spatial_cplx_masking', c_float),
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('p_masking', c_float),
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('dark_masking', c_float),
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('slice_count', c_int),
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('prediction_method', c_int), # Deprecated. Removed in 59.
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('slice_offset', POINTER(c_int)),
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('sample_aspect_ratio', AVRational),
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('me_cmp', c_int),
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('me_sub_cmp', c_int),
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('mb_cmp', c_int),
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('ildct_cmp', c_int),
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('dia_size', c_int),
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('last_predictor_count', c_int),
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('pre_me', c_int), # Deprecated. Removed in 59.
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('me_pre_cmp', c_int),
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('pre_dia_size', c_int),
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('me_subpel_quality', c_int),
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('me_range', c_int),
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('slice_flags', c_int),
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('mb_decision', c_int),
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('intra_matrix', POINTER(c_uint16)),
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('inter_matrix', POINTER(c_uint16)),
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('scenechange_threshold', c_int), # Deprecated. Removed in 59.
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('noise_reduction', c_int), # Deprecated. Removed in 59.
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('intra_dc_precision', c_int),
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('skip_top', c_int),
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('skip_bottom', c_int),
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('mb_lmin', c_int),
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('mb_lmax', c_int),
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('me_penalty_compensation', c_int), # Deprecated. Removed in 59.
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('bidir_refine', c_int),
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('brd_scale', c_int), # Deprecated. Removed in 59.
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('keyint_min', c_int),
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('refs', c_int),
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('chromaoffset', c_int), # Deprecated. Removed in 59.
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('mv0_threshold', c_int),
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('b_sensitivity', c_int), # Deprecated. Removed in 59.
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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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('color_range', c_int),
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('chroma_sample_location', c_int),
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('slices', c_int),
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('field_order', c_int),
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('sample_rate', c_int),
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('channels', c_int),
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('sample_fmt', c_int),
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('frame_size', c_int),
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('frame_number', c_int),
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('block_align', c_int),
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('cutoff', c_int),
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('channel_layout', c_uint64),
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('request_channel_layout', c_uint64),
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('audio_service_type', c_int),
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('request_sample_fmt', c_int),
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('get_buffer2', CFUNCTYPE(c_int, POINTER(AVCodecContext), POINTER(AVFrame), c_int)),
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('refcounted_frames', c_int), # Deprecated. Removed in 59.
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('qcompress', c_float),
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('qblur', c_float),
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('qmin', c_int),
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('qmax', c_int),
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('max_qdiff', c_int),
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('rc_buffer_size', c_int),
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('rc_override_count', c_int),
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('rc_override', POINTER(RcOverride)),
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('rc_max_rate', c_int64),
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('rc_min_rate', c_int64),
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('rc_max_available_vbv_use', c_float),
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('rc_min_vbv_overflow_use', c_float),
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('rc_initial_buffer_occupancy', c_int),
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('coder_type', c_int), # Deprecated. Removed in 59.
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('context_model', c_int), # Deprecated. Removed in 59.
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('frame_skip_threshold', c_int), # Deprecated. Removed in 59.
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('frame_skip_factor', c_int), # Deprecated. Removed in 59.
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('frame_skip_exp', c_int), # Deprecated. Removed in 59.
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('frame_skip_cmp', c_int), # Deprecated. Removed in 59.
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('trellis', c_int),
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('min_prediction_order', c_int), # Deprecated. Removed in 59.
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('max_prediction_order', c_int), # Deprecated. Removed in 59.
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('timecode_frame_start', c_int64), # Deprecated. Removed in 59.
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('rtp_callback', CFUNCTYPE(None, # Deprecated. Removed in 59.
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POINTER(AVCodecContext), c_void_p, c_int, c_int)),
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('rtp_payload_size', c_int), # Deprecated. Removed in 59.
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('mv_bits', c_int), # Deprecated. Removed in 59.
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('header_bits', c_int), # Deprecated. Removed in 59.
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('i_tex_bits', c_int), # Deprecated. Removed in 59.
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('p_tex_bits', c_int), # Deprecated. Removed in 59.
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('i_count', c_int), # Deprecated. Removed in 59.
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('p_count', c_int), # Deprecated. Removed in 59.
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('skip_count', c_int), # Deprecated. Removed in 59.
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('misc_bits', c_int), # Deprecated. Removed in 59.
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('frame_bits', c_int), # Deprecated. Removed in 59.
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('stats_out', c_char_p),
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('stats_in', c_char_p),
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('workaround_bugs', c_int),
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('strict_std_compliance', c_int),
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('error_concealment', c_int),
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('debug', c_int),
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('err_recognition', c_int),
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('reordered_opaque', c_int64),
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('hwaccel', POINTER(AVHWAccel)),
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('hwaccel_context', c_void_p),
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('error', c_uint64 * AV_NUM_DATA_POINTERS),
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('dct_algo', c_int),
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('idct_algo', c_int),
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('bits_per_coded_sample', c_int),
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('bits_per_raw_sample', c_int),
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('lowres', c_int),
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('coded_frame', POINTER(AVFrame)), # Deprecated. Removed in 59.
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('thread_count', c_int),
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('thread_type', c_int),
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('active_thread_type', c_int),
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('thread_safe_callbacks', c_int),
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('execute', CFUNCTYPE(c_int,
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POINTER(AVCodecContext),
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CFUNCTYPE(c_int, POINTER(AVCodecContext), c_void_p),
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c_void_p, c_int, c_int, c_int)),
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('execute2', CFUNCTYPE(c_int,
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POINTER(AVCodecContext),
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CFUNCTYPE(c_int, POINTER(AVCodecContext), c_void_p, c_int, c_int),
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c_void_p, c_int, c_int)),
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('nsse_weight', c_int),
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('profile', c_int),
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('level', c_int),
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('skip_loop_filter', c_int),
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('skip_idct', c_int),
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('skip_frame', c_int),
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('subtitle_header', POINTER(c_uint8)),
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('subtitle_header_size', c_int),
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('vbv_delay', c_uint64), # Deprecated. Removed in 59.
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('side_data_only_packets', c_int), # Deprecated. Removed in 59.
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('initial_padding', c_int),
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('framerate', AVRational),
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# !
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('sw_pix_fmt', c_int),
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('pkt_timebase', AVRational),
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('codec_dexcriptor', AVCodecDescriptor),
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('pts_correction_num_faulty_pts', c_int64),
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('pts_correction_num_faulty_dts', c_int64),
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('pts_correction_last_pts', c_int64),
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('pts_correction_last_dts', c_int64),
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('sub_charenc', c_char_p),
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('sub_charenc_mode', c_int),
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('skip_alpha', c_int),
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('seek_preroll', c_int),
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('debug_mv', c_int),
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('chroma_intra_matrix', POINTER(c_uint16)),
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('dump_separator', POINTER(c_uint8)),
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('codec_whitelist', c_char_p),
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('properties', c_uint),
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('coded_side_data', POINTER(AVPacketSideData)),
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('nb_coded_side_data', c_int),
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('hw_frames_ctx', POINTER(AVBufferRef)),
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('sub_text_format', c_int),
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('trailing_padding', c_int),
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('max_pixels', c_int64),
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('hw_device_ctx', POINTER(AVBufferRef)),
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('hwaccel_flags', c_int),
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('apply_cropping', c_int),
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('extra_hw_frames', c_int)
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]
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compat.add_version_changes('avcodec', 58, AVCodecContext, AVCodecContext_Fields, removals=None)
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compat.add_version_changes('avcodec', 59, AVCodecContext, AVCodecContext_Fields,
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removals=('b_frame_strategy', 'mpeg_quant', 'prediction_method', 'pre_me', 'scenechange_threshold',
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'noise_reduction', 'me_penalty_compensation', 'brd_scale', 'chromaoffset', 'b_sensitivity',
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'refcounted_frames', 'coder_type', 'context_model', 'coder_type', 'context_model',
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'frame_skip_threshold', 'frame_skip_factor', 'frame_skip_exp', 'frame_skip_cmp',
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'min_prediction_order', 'max_prediction_order', 'timecode_frame_start', 'rtp_callback',
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'rtp_payload_size', 'mv_bits', 'header_bits', 'i_tex_bits', 'p_tex_bits', 'i_count', 'p_count',
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'skip_count', 'misc_bits', 'frames_bits', 'coded_frame', 'vbv_delay', 'side_data_only_packets')
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)
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AV_CODEC_ID_VP8 = 139
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AV_CODEC_ID_VP9 = 167
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avcodec.av_packet_unref.argtypes = [POINTER(AVPacket)]
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avcodec.av_packet_free.argtypes = [POINTER(POINTER(AVPacket))]
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avcodec.av_packet_clone.restype = POINTER(AVPacket)
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avcodec.av_packet_clone.argtypes = [POINTER(AVPacket)]
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avcodec.av_packet_move_ref.argtypes = [POINTER(AVPacket), POINTER(AVPacket)]
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avcodec.avcodec_find_decoder.restype = POINTER(AVCodec)
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avcodec.avcodec_find_decoder.argtypes = [c_int]
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AVDictionary = libavutil.AVDictionary
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avcodec.avcodec_open2.restype = c_int
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avcodec.avcodec_open2.argtypes = [POINTER(AVCodecContext),
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POINTER(AVCodec),
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POINTER(POINTER(AVDictionary))]
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avcodec.avcodec_free_context.argtypes = [POINTER(POINTER(AVCodecContext))]
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avcodec.av_packet_alloc.restype = POINTER(AVPacket)
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avcodec.av_init_packet.argtypes = [POINTER(AVPacket)]
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avcodec.avcodec_receive_frame.restype = c_int
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avcodec.avcodec_receive_frame.argtypes = [POINTER(AVCodecContext), POINTER(AVFrame)]
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avcodec.avcodec_send_packet.restype = c_int
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avcodec.avcodec_send_packet.argtypes = [POINTER(AVCodecContext), POINTER(AVPacket)]
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avcodec.avcodec_flush_buffers.argtypes = [POINTER(AVCodecContext)]
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avcodec.avcodec_alloc_context3.restype = POINTER(AVCodecContext)
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avcodec.avcodec_alloc_context3.argtypes = [POINTER(AVCodec)]
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avcodec.avcodec_free_context.argtypes = [POINTER(POINTER(AVCodecContext))]
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avcodec.avcodec_parameters_to_context.restype = c_int
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avcodec.avcodec_parameters_to_context.argtypes = [POINTER(AVCodecContext),
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POINTER(AVCodecParameters)]
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avcodec.avcodec_get_name.restype = c_char_p
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avcodec.avcodec_get_name.argtypes = [c_int]
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avcodec.avcodec_find_decoder_by_name.restype = POINTER(AVCodec)
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avcodec.avcodec_find_decoder_by_name.argtypes = [c_char_p]
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__all__ = [
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'avcodec',
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'FF_INPUT_BUFFER_PADDING_SIZE',
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'AVPacket',
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'AVCodecContext',
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'AV_CODEC_ID_VP8',
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'AV_CODEC_ID_VP9',
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]
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