FFmpeg

Commit Graph

Author	SHA1	Message	Date
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
Dan Flett	87f98a2b9d	fbdev: Support the RGB565 colour space. Tested on a Raspberry Pi. Signed-off-by: Martin Storsjö <martin@martin.st>	10 years ago
Vittorio Giovara	1a3eb042c7	Replace av_dlog with normal av_log at trace level This applies to every library where performance is not critical.	10 years ago
Luca Barbato	043ea6f7bf	fbdev: Use av_strerror	10 years ago
Diego Biurrun	c0de9159a7	avdevice: Give names to anonymously typedeffed structs Anonymous structs can cause trouble in header files, so try to avoid them altogether as a matter of good style.	11 years ago
Rémi Denis-Courmont	71bf6b41d9	libavdevice: use avpriv_open() Signed-off-by: Anton Khirnov <anton@khirnov.net>	12 years ago
Diego Biurrun	2832ea26f3	Remove commented-out debug #define cruft	12 years ago
Anton Khirnov	22c8cbc0da	lavu,lavd: do not use av_pix_fmt_descriptors directly.	12 years ago
Anton Khirnov	716d413c13	Replace PIX_FMT_* -> AV_PIX_FMT_*, PixelFormat -> AVPixelFormat	12 years ago
Anton Khirnov	36ef5369ee	Replace all CODEC_ID_* with AV_CODEC_ID_*	13 years ago
Anton Khirnov	c4ef6a3e4b	Add missing libavutil/time.h includes.	13 years ago
Mans Rullgard	6501dcfb5e	Remove unnecessary inclusions of [sys/]time.h Signed-off-by: Mans Rullgard <mans@mansr.com>	13 years ago
Diego Biurrun	3dde147ff9	cosmetics: Consistently place static, inline and av_cold attributes/keywords.	13 years ago
Anton Khirnov	6e9651d106	lavf: remove AVFormatParameters from AVFormatContext.read_header signature	13 years ago
Anton Khirnov	c3f9ebf743	lavf: make av_set_pts_info private. It's supposed to be called only from (de)muxers.	13 years ago
Anton Khirnov	3b3bbdd3e6	lavf,lavd: replace av_new_stream->avformat_new_stream part I. Trivial replacements with sed are done in this commit: sed 's/av_new_stream(\([^)]*\), 0)/avformat_new_stream(\1, NULL)/'	13 years ago
Anton Khirnov	145f741e11	AVOptions: rename FF_OPT_TYPE_* => AV_OPT_TYPE_*	13 years ago
Diego Biurrun	e83c2ddebf	Fix 'heigth' vs. 'height' typos.	13 years ago
Anton Khirnov	c14fe6bc99	lavf,lavd: remove all usage of AVFormatParameters from demuxers. AVFormatParameters are converted into corresponding private options in av_open_input_file/stream() compat wrappers, so accessing them from demuxers is redundant.	14 years ago
Diego Biurrun	ad4cd0c2a4	doxygen: use Doxygen markup for authors and web links where appropriate	14 years ago
Stefano Sabatini	41b68dce4d	lavdev: improve feedback in case of invalid frame rate/size Show the invalid string in the error message. While at it also prefer "Could not" over "Couldn't", plain forms are preferred over contractions (simplify readability, especially for non English-savvy people). Signed-off-by: Anton Khirnov <anton@khirnov.net>	14 years ago
Stefano Sabatini	a5351720cc	fbdev: prefer "framerate_q" over "fps" in device context The variable is used for containing the parsed value of framerate, using a lexically consistent name eases readability/understanding. Signed-off-by: Anton Khirnov <anton@khirnov.net>	14 years ago
Anton Khirnov	367732832f	lavf,lavc: free avoptions in a generic way. It's simpler and less error-prone. Fixes some memleaks along the way.	14 years ago
Anton Khirnov	a3b15e411d	fbdev,v4l2: remove some forgotten uses of AVFormatParameters.time_base.	14 years ago
Anton Khirnov	1556186a62	fbdev: add a framerate private option.	14 years ago
Stefano Sabatini	c6f951442e	framebuffer device demuxer Signed-off-by: Anton Khirnov <anton@khirnov.net>	14 years ago

26 Commits (edbf0fffb15dde7a1de70b05855529d5fc769f14)