# ---------------------------------------------------------------------------- # pyglet # Copyright (c) 2006-2008 Alex Holkner # Copyright (c) 2008-2023 pyglet contributors # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in # the documentation and/or other materials provided with the # distribution. # * Neither the name of pyglet nor the names of its # contributors may be used to endorse or promote products # derived from this software without specific prior written # permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. # ---------------------------------------------------------------------------- """Wrapper for include/libavformat/avformat.h """ from ctypes import c_int, c_int64 from ctypes import c_uint8, c_uint, c_double, c_ubyte, c_size_t, c_char, c_char_p from ctypes import c_void_p, POINTER, CFUNCTYPE, Structure import pyglet.lib from pyglet.util import debug_print from . import compat from . import libavcodec from . import libavutil _debug = debug_print('debug_media') avformat = pyglet.lib.load_library( 'avformat', win32=('avformat-60', 'avformat-59', 'avformat-58'), darwin=('avformat.60', 'avformat.59', 'avformat.58') ) avformat.avformat_version.restype = c_int compat.set_version('avformat', avformat.avformat_version() >> 16) AVSEEK_FLAG_BACKWARD = 1 # ///< seek backward AVSEEK_FLAG_BYTE = 2 # ///< seeking based on position in bytes AVSEEK_FLAG_ANY = 4 # ///< seek to any frame, even non-keyframes AVSEEK_FLAG_FRAME = 8 # ///< seeking based on frame number AVSEEK_SIZE = 0x10000 AVFMT_FLAG_CUSTOM_IO = 0x0080 MAX_REORDER_DELAY = 16 class AVPacketList(Structure): pass class AVInputFormat(Structure): _fields_ = [ ('name', c_char_p) ] class AVOutputFormat(Structure): pass class AVIOContext(Structure): pass class AVIndexEntry(Structure): pass class AVStreamInfo(Structure): _fields_ = [ ('last_dts', c_int64), ('duration_gcd', c_int64), ('duration_count', c_int), ('rfps_duration_sum', c_int64), ('duration_error', POINTER(c_double * 2 * (30 * 12 + 30 + 3 + 6))), ('codec_info_duration', c_int64), ('codec_info_duration_fields', c_int64), ('frame_delay_evidence', c_int), ('found_decoder', c_int), ('last_duration', c_int64), ('fps_first_dts', c_int64), ('fps_first_dts_idx', c_int), ('fps_last_dts', c_int64), ('fps_last_dts_idx', c_int), ] class AVProbeData(Structure): _fields_ = [ ('filename', c_char_p), ('buf', POINTER(c_ubyte)), ('buf_size', c_int), ('mime_type', c_char_p) ] class FFFrac(Structure): pass class AVStreamInternal(Structure): pass class AVFrac(Structure): _fields_ = [ ('val', c_int64), ('num', c_int64), ('den', c_int64), ] AVCodecContext = libavcodec.AVCodecContext AVPacketSideData = libavcodec.AVPacketSideData AVPacket = libavcodec.AVPacket AVCodecParserContext = libavcodec.AVCodecParserContext AVCodecParameters = libavcodec.AVCodecParameters AVRational = libavutil.AVRational AVDictionary = libavutil.AVDictionary AVFrame = libavutil.AVFrame AVClass = libavutil.AVClass AVCodec = libavcodec.AVCodec class AVStream(Structure): pass AVStream_Fields = [ ('av_class', POINTER(AVClass)), ('index', c_int), ('id', c_int), ('codec', POINTER(AVCodecContext)), # Deprecated. Removed in 59. ('priv_data', c_void_p), ('time_base', AVRational), ('start_time', c_int64), ('duration', c_int64), ('nb_frames', c_int64), ('disposition', c_int), ('discard', c_int), ('sample_aspect_ratio', AVRational), ('metadata', POINTER(AVDictionary)), ('avg_frame_rate', AVRational), ('attached_pic', AVPacket), ('side_data', POINTER(AVPacketSideData)), ('nb_side_data', c_int), ('event_flags', c_int), ('r_frame_rate', AVRational), ('recommended_encoder_configuration', c_char_p), # Deprecated. Removed in 59. ('codecpar', POINTER(AVCodecParameters)), ('info', POINTER(AVStreamInfo)), # Deprecated. Removed in 59. ('pts_wrap_bits', c_int), ] compat.add_version_changes('avformat', 58, AVStream, AVStream_Fields, removals=('av_class',)) compat.add_version_changes('avformat', 59, AVStream, AVStream_Fields, removals=('av_class', 'codec', 'recommended_encoder_configuration', 'info')) compat.add_version_changes('avformat', 60, AVStream, AVStream_Fields, removals=('codec', 'recommended_encoder_configuration', 'info'), repositions=(compat.Reposition("codecpar", "id"),)) class AVProgram(Structure): pass class AVChapter(Structure): pass class AVFormatInternal(Structure): pass class AVIOInterruptCB(Structure): _fields_ = [ ('callback', CFUNCTYPE(c_int, c_void_p)), ('opaque', c_void_p) ] class AVFormatContext(Structure): pass AVFormatContext_Fields = [ ('av_class', POINTER(AVClass)), ('iformat', POINTER(AVInputFormat)), ('oformat', POINTER(AVOutputFormat)), ('priv_data', c_void_p), ('pb', POINTER(AVIOContext)), ('ctx_flags', c_int), ('nb_streams', c_uint), ('streams', POINTER(POINTER(AVStream))), ('filename', c_char * 1024), # Deprecated. Removed in 59 ('url', c_char_p), ('start_time', c_int64), ('duration', c_int64), ('bit_rate', c_int64), ('packet_size', c_uint), ('max_delay', c_int), ('flags', c_int), ('probesize', c_int64), ('max_analyze_duration', c_int64), ('key', POINTER(c_uint8)), ('keylen', c_int), ('nb_programs', c_uint), ('programs', POINTER(POINTER(AVProgram))), ('video_codec_id', c_int), ('audio_codec_id', c_int), ('subtitle_codec_id', c_int), ('max_index_size', c_uint), ('max_picture_buffer', c_uint), ('nb_chapters', c_uint), ('chapters', POINTER(POINTER(AVChapter))), ('metadata', POINTER(AVDictionary)), ('start_time_realtime', c_int64), ('fps_probe_size', c_int), ('error_recognition', c_int), ('interrupt_callback', AVIOInterruptCB), ('debug', c_int), ('max_interleave_delta', c_int64), ('strict_std_compliance', c_int), ('event_flags', c_int), ('max_ts_probe', c_int), ('avoid_negative_ts', c_int), ('ts_id', c_int), ('audio_preload', c_int), ('max_chunk_duration', c_int), ('max_chunk_size', c_int), ('use_wallclock_as_timestamps', c_int), ('avio_flags', c_int), ('duration_estimation_method', c_uint), ('skip_initial_bytes', c_int64), ('correct_ts_overflow', c_uint), ('seek2any', c_int), ('flush_packets', c_int), ('probe_score', c_int), ('format_probesize', c_int), ('codec_whitelist', c_char_p), ('format_whitelist', c_char_p), ('internal', POINTER(AVFormatInternal)), # Deprecated. Removed in 59 ('io_repositioned', c_int), ('video_codec', POINTER(AVCodec)), ('audio_codec', POINTER(AVCodec)), ('subtitle_codec', POINTER(AVCodec)), ('data_codec', POINTER(AVCodec)), ('metadata_header_padding', c_int), ('opaque', c_void_p), ('control_message_cb', CFUNCTYPE(c_int, POINTER(AVFormatContext), c_int, c_void_p, c_size_t)), ('output_ts_offset', c_int64), ('dump_separator', POINTER(c_uint8)), ('data_codec_id', c_int), ('protocol_whitelist', c_char_p), ('io_open', CFUNCTYPE(c_int, POINTER(AVFormatContext), POINTER(POINTER(AVIOContext)), c_char_p, c_int, POINTER(POINTER(AVDictionary)))), ('io_close', CFUNCTYPE(None, POINTER(AVFormatContext), POINTER(AVIOContext))), ('protocol_blacklist', c_char_p), ('max_streams', c_int), ('skip_estimate_duration_from_pts', c_int), # Added in 59. ('max_probe_packets', c_int), # Added in 59. ('io_close2', CFUNCTYPE(c_int, POINTER(AVFormatContext), POINTER(AVIOContext))) # Added in 59. ] compat.add_version_changes('avformat', 58, AVFormatContext, AVFormatContext_Fields, removals=('skip_estimate_duration_from_pts', 'max_probe_packets', 'io_close2')) compat.add_version_changes('avformat', 59, AVFormatContext, AVFormatContext_Fields, removals=('filename', 'internal')) compat.add_version_changes('avformat', 60, AVFormatContext, AVFormatContext_Fields, removals=('filename', 'internal')) avformat.av_find_input_format.restype = c_int avformat.av_find_input_format.argtypes = [c_int] avformat.avformat_open_input.restype = c_int avformat.avformat_open_input.argtypes = [ POINTER(POINTER(AVFormatContext)), c_char_p, POINTER(AVInputFormat), POINTER(POINTER(AVDictionary))] avformat.avformat_find_stream_info.restype = c_int avformat.avformat_find_stream_info.argtypes = [ POINTER(AVFormatContext), POINTER(POINTER(AVDictionary))] avformat.avformat_close_input.restype = None avformat.avformat_close_input.argtypes = [ POINTER(POINTER(AVFormatContext))] avformat.av_read_frame.restype = c_int avformat.av_read_frame.argtypes = [POINTER(AVFormatContext), POINTER(AVPacket)] avformat.av_seek_frame.restype = c_int avformat.av_seek_frame.argtypes = [POINTER(AVFormatContext), c_int, c_int64, c_int] avformat.avformat_seek_file.restype = c_int avformat.avformat_seek_file.argtypes = [POINTER(AVFormatContext), c_int, c_int64, c_int64, c_int64, c_int] avformat.av_guess_frame_rate.restype = AVRational avformat.av_guess_frame_rate.argtypes = [POINTER(AVFormatContext), POINTER(AVStream), POINTER(AVFrame)] ffmpeg_read_func = CFUNCTYPE(c_int, c_void_p, POINTER(c_char), c_int) ffmpeg_write_func = CFUNCTYPE(c_int, c_void_p, POINTER(c_char), c_int) ffmpeg_seek_func = CFUNCTYPE(c_int64, c_void_p, c_int64, c_int) avformat.avio_alloc_context.restype = POINTER(AVIOContext) avformat.avio_alloc_context.argtypes = [c_char_p, c_int, c_int, c_void_p, ffmpeg_read_func, c_void_p, ffmpeg_seek_func] avformat.avformat_alloc_context.restype = POINTER(AVFormatContext) avformat.avformat_alloc_context.argtypes = [] avformat.avformat_free_context.restype = c_void_p avformat.avformat_free_context.argtypes = [POINTER(AVFormatContext)] __all__ = [ 'avformat', 'AVSEEK_FLAG_BACKWARD', 'AVSEEK_FLAG_BYTE', 'AVSEEK_FLAG_ANY', 'AVSEEK_FLAG_FRAME', 'AVFormatContext' ]