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
Clément Bœsch	6679fcd419	avformat/assdec: allow ASS files starting with empty lines See https://github.com/mpv-player/mpv/issues/2506	9 years ago
wm4	265d2a73d6	avformat/assdec: do not drop duplicate subtitles Duplicates are perfectly legitimate with this format. A correct renderer will typically show them stacked.	9 years ago
Clément Bœsch	af924fd9e4	avformat/subtitles: forward log context in ff_subtitles_queue_finalize() for logging	9 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
Vittorio Giovara	e9ba309831	assdec: check av_new_packet return value CC: libav-stable@libav.org Bug-Id: CID 703626	10 years ago
Carl Eugen Hoyos	19a6431ec2	Print a warning if a subtitle demuxer changes utf16 to utf8. This does not fix anything but gives users a chance to know that they must not pass -sub_charenc UTF-16 to ffmpeg. Fixes ticket #4059.	10 years ago
Clément Bœsch	d281a87ae3	avformat/assdec: typo fix	10 years ago
Clément Bœsch	138902dfb6	avformat/assdec: make sure pos is initialized Fixes use of uninitialized memory Fixes: signal_sigsegv_504fb0_10_signal_sigsegv_504fb0_343_mewmew_ssa.avi Found-by: Mateusz j00ru Jurczyk and Gynvael Coldwind	10 years ago
Clément Bœsch	71f6275169	avformat/assdec: make sure to free allocated data in case of error	10 years ago
Clément Bœsch	3a6fa38fb1	avformat/assdec: add myself to Copyright	10 years ago
Clément Bœsch	0aa5c5a89e	avformat/assdec: reindent after previous commit	10 years ago
Clément Bœsch	9ec52e5533	avformat/assdec: make sure "Comments:" events end up in the header	10 years ago
Clément Bœsch	ff5f5cbb46	avformat/assdec: output ASS packets After this the order from the original file is stored through readorder when doing ffmpeg -i input.ass -c copy output.mkv. And now that the ASS muxer honors the ReadOrder, extracting the ass back (without transcoding) restores the original order.	10 years ago
wm4	3e8426170c	avformat/assdec: UTF-16 support Use the UTF-16 BOM to detect UTF-16 encoding. Convert the file contents to UTF-8 on the fly using FFTextReader, which acts as converting wrapper around AVIOContext. It also can work on a static buffer, needed for format probing. The FFTextReader wrapper now also takes care of skipping the UTF-8 BOM. Fix Ticket #3496.	10 years ago
Patrice Clement	5c9c305d14	ass: K&R formatting cosmetics	11 years ago
Diego Biurrun	8f8bc92365	Add missing #includes for INT64_MAX and INT64_C	11 years ago
Clément Bœsch	67286fa98b	10l: export ff_bprint_to_extradata between libs using avpriv_ prefix. Both libavformat and libavcodec requires this function.	12 years ago
Clément Bœsch	36e61e24e7	lavc: add ff_bprint_to_extradata() helper and use it. This commit also makes sure the extradata and subtitle_header are NUL terminated, without taking into account the trailing '\0' in account in the size. At the same time, it should fix 'warning: dereferencing type-punned pointer will break strict-aliasing rules' warning for compilers who don't consider uint8_t and char compatibles.	12 years ago
Clément Bœsch	6d2892c9f5	lavf/assdec: return appropriate error code instead of -1.	12 years ago
Clément Bœsch	069c897549	lavf/assdec: add ass_ prefix to callbacks.	12 years ago
Clément Bœsch	e0260e25b0	lavf/assdec: rewrite using the demux subtitles API.	12 years ago
Mans Rullgard	4cbae57cef	assdec: fix qsort() callback signature This changes the event_cmp() function to the correct signature, avoiding an ugly cast. Signed-off-by: Mans Rullgard <mans@mansr.com>	12 years ago
Diego Biurrun	72eaba5e4f	avformat: Convert some commented-out printf/av_log instances to av_dlog	12 years ago
Anton Khirnov	36ef5369ee	Replace all CODEC_ID_* with AV_CODEC_ID_*	13 years ago
Nicolas George	93d428953c	assdec: return EOF instead of EIO.	13 years ago
Diego Biurrun	0177b7d23a	Improve descriptiveness of a number of codec and container long names	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
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
Mans Rullgard	0ebcdf5cda	Do not include mathematics.h in avutil.h Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
Anton Khirnov	f5b386afab	Reemove remaining uses of deprecated AVERROR_NOTSUPP.	14 years ago
Mans Rullgard	2912e87a6c	Replace FFmpeg with Libav in licence headers Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
Anton Khirnov	66e5b1df36	avio: deprecate url_feof AVIOContext.eof_reached should be used directly instead. Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>	14 years ago
Anton Khirnov	471fe57e1a	avio: rename ByteIOContext to AVIOContext. Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com> (cherry picked from commit `ae628ec1fd`)	14 years ago
Anton Khirnov	ae628ec1fd	avio: rename ByteIOContext to AVIOContext. Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>	14 years ago
Diego Elio Pettenò	66355be3c3	Prefix all _demuxer, _muxer, _protocol from libavformat and libavdevice. This also lists the objects from those two libraries as internal (by adding the ff_ prefix) so that they can then be hidden via linker scripts. (cherry picked from commit `c6610a216e`)	14 years ago
Diego Elio Pettenò	c6610a216e	Prefix all _demuxer, _muxer, _protocol from libavformat and libavdevice. This also lists the objects from those two libraries as internal (by adding the ff_ prefix) so that they can then be hidden via linker scripts.	14 years ago
Aurelien Jacobs	87d69d3232	use designated initializer in ASS (de)muxer Originally committed as revision 25868 to svn://svn.ffmpeg.org/ffmpeg/trunk	14 years ago
Aurelien Jacobs	ac066b83e9	add seeking support in ASS demuxer Originally committed as revision 24578 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Aurelien Jacobs	8a810ccbba	use return value of ff_get_line() Originally committed as revision 24402 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Aurelien Jacobs	7c89295145	move ff_get_line to aviobuf.c Originally committed as revision 24399 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Aurelien Jacobs	80769fb73f	rename get_line to ff_get_line Originally committed as revision 24398 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Aurelien Jacobs	5c7ceef654	improve long_name for ass (de)muxer Originally committed as revision 24084 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Jean-Daniel Dupas	cc947f04cc	Replace all occurences of PKT_FLAG_KEY with AV_PKT_FLAG_KEY. Patch by Jean-Daniel Dupas, devlists shadowlab org Originally committed as revision 22744 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Stefano Sabatini	72415b2adb	Define AVMediaType enum, and use it instead of enum CodecType, which is deprecated and will be dropped at the next major bump. Originally committed as revision 22735 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Michael Niedermayer	8ba311410a	Silence "assdec.c:146: warning: passing argument 4 of ‘qsort’ from incompatible pointer type" The alternative (schoolbook) solution is less readable. Originally committed as revision 17230 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Aurelien Jacobs	7a8b7634c5	assdec: don't remove CR, they are part of the spec Originally committed as revision 15442 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Michael Niedermayer	5c8a1d1927	Do not lose the '\n'. Originally committed as revision 15424 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago

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64 Commits (dced1f6cdfe479965898bed3cb5219d2ddbb0ad9)