FFmpeg

Commit Graph

Author	SHA1	Message	Date
Vittorio Giovara	41ed7ab45f	cosmetics: Fix spelling mistakes Signed-off-by: Diego Biurrun <diego@biurrun.de>	9 years ago
Anton Khirnov	9200514ad8	lavf: replace AVStream.codec with AVStream.codecpar Currently, AVStream contains an embedded AVCodecContext instance, which is used by demuxers to export stream parameters to the caller and by muxers to receive stream parameters from the caller. It is also used internally as the codec context that is passed to parsers. In addition, it is also widely used by the callers as the decoding (when demuxer) or encoding (when muxing) context, though this has been officially discouraged since Libav 11. There are multiple important problems with this approach: - the fields in AVCodecContext are in general one of * stream parameters * codec options * codec state However, it's not clear which ones are which. It is consequently unclear which fields are a demuxer allowed to set or a muxer allowed to read. This leads to erratic behaviour depending on whether decoding or encoding is being performed or not (and whether it uses the AVStream embedded codec context). - various synchronization issues arising from the fact that the same context is used by several different APIs (muxers/demuxers, parsers, bitstream filters and encoders/decoders) simultaneously, with there being no clear rules for who can modify what and the different processes being typically delayed with respect to each other. - avformat_find_stream_info() making it necessary to support opening and closing a single codec context multiple times, thus complicating the semantics of freeing various allocated objects in the codec context. Those problems are resolved by replacing the AVStream embedded codec context with a newly added AVCodecParameters instance, which stores only the stream parameters exported by the demuxers or read by the muxers.	9 years ago
Diego Biurrun	e0f8be6413	avformat: Add AVPROBE_SCORE_EXTENSION define and use where appropriate	12 years ago
Diego Biurrun	1ecdf8912b	avformat: av_log_ask_for_sample() ---> avpriv_request_sample()	12 years ago
Justin Ruggles	7b48d93e8a	westwood_aud: set channel layout	12 years ago
Anton Khirnov	36ef5369ee	Replace all CODEC_ID_* with AV_CODEC_ID_*	13 years ago
Diego Biurrun	6774247a9d	avformat: Drop pointless "format" from container long names	13 years ago
Anton Khirnov	6e9651d106	lavf: remove AVFormatParameters from AVFormatContext.read_header signature	13 years ago
Justin Ruggles	b8dd555c63	aud: remove unneeded field, audio_stream_index from context There is only one stream, so it will always be index 0. This also allows for removal of the private context.	13 years ago
Justin Ruggles	be14a37066	aud: fix time stamp calculation for ADPCM IMA WS also allows for removing some unused context fields	13 years ago
Justin Ruggles	10fef6bd6b	aud: simplify header parsing also allows for removing some unused context fields	13 years ago
Justin Ruggles	0e6a8b5cf7	aud: set pts_wrap_bits to 64. Time stamps are not read from the bitstream, so no wrapping is needed.	13 years ago
Justin Ruggles	98c290cc08	cosmetics: indentation	13 years ago
Justin Ruggles	d481227c54	aud: support Westwood SND1 audio in AUD files. Fixes decoding of the handful of "death scream" samples from "Command and Conquer" that use SND1. e.g. http://samples.libav.org/game-formats/westwood-aud/nuyell1.aud http://samples.libav.org/game-formats/westwood-aud/nuyell7.aud	13 years ago
Justin Ruggles	e924a4ba71	westwood: split the AUD and VQA demuxers into separate files. They have no code in common.	13 years ago

15 Commits (edbf0fffb15dde7a1de70b05855529d5fc769f14)