Andreas Rheinhardt dc2f6b54ac avformat/matroskaenc: Avoid allocations for SeekHead ... Up until e7ddafd5, the Matroska muxer wrote two SeekHeads: One at the beginning referencing the main level 1 elements (i.e. not the Clusters) and one at the end, referencing the Clusters. This second SeekHead was useless and has therefore been removed. Yet the SeekHead-related functions and structures are still geared towards this usecase: They are built around an allocated array of variable size that gets reallocated every time an element is added to it although the maximum number of Seek entries is a small compile-time constant, so that one should rather include the array in the SeekHead structure itself; and said structure should be contained in the MatroskaMuxContext instead of being allocated separately. The earlier code reserved space for a SeekHead with 10 entries, although we currently write at most 6. Reducing said number implied that every Matroska/Webm file will be 84 bytes smaller and required to adapt several FATE tests; furthermore, the reserved amount overestimated the amount needed for for the SeekHead's length field and how many bytes need to be reserved to write a EBML Void element, bringing the total reduction to 89 bytes. This also fixes a potential segfault: If !mkv->is_live and if the AVIOContext is initially unseekable when writing the header, the SeekHead is already written when writing the header and this used to free the SeekHead-related structures that have been allocated. But if the AVIOContext happens to be seekable when writing the trailer, it will be attempted to write the SeekHead again which will lead to segfaults because the corresponding structures have already been freed. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>		2020-03-26 03:19:56 +01:00
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acodec-adpcm-ima_qt
acodec-adpcm-ima_qt-trellis
acodec-adpcm-ima_wav
acodec-adpcm-ima_wav-trellis
acodec-adpcm-ms
acodec-adpcm-ms-trellis
acodec-adpcm-swf
acodec-adpcm-swf-trellis
acodec-adpcm-yamaha
acodec-adpcm-yamaha-trellis
acodec-alac	avformat/movenc: ensure we don't write the major brand as a compatible brand more than once	2019-12-21 11:57:28 -03:00
acodec-flac
acodec-mp2
acodec-pcm-alaw
acodec-pcm-f32be
acodec-pcm-f32le
acodec-pcm-f64be
acodec-pcm-f64le
acodec-pcm-mulaw
acodec-pcm-s8	avformat/movenc: ensure we don't write the major brand as a compatible brand more than once	2019-12-21 11:57:28 -03:00
acodec-pcm-s16be	avformat/movenc: ensure we don't write the major brand as a compatible brand more than once	2019-12-21 11:57:28 -03:00
acodec-pcm-s16le
acodec-pcm-s24be	avformat/movenc: ensure we don't write the major brand as a compatible brand more than once	2019-12-21 11:57:28 -03:00
acodec-pcm-s24le
acodec-pcm-s32be	avformat/movenc: ensure we don't write the major brand as a compatible brand more than once	2019-12-21 11:57:28 -03:00
acodec-pcm-s32le
acodec-pcm-u8
cache-pipe
empty-edit-mp4
extra-mp3
extra-mp4
lavf-aiff
lavf-al
lavf-asf
lavf-au
lavf-avi
lavf-bmp
lavf-dv
lavf-flv
lavf-gif
lavf-gxf
lavf-jpg
lavf-mkv	avformat/matroskaenc: Avoid allocations for SeekHead	2020-03-26 03:19:56 +01:00
lavf-mmf
lavf-mov	avformat/movenc: ensure we don't write the major brand as a compatible brand more than once	2019-12-21 11:57:28 -03:00
lavf-mpg
lavf-mxf
lavf-mxf_d10
lavf-mxf_dv25
lavf-mxf_dvcpro50
lavf-mxf_opatom
lavf-mxf_opatom_audio
lavf-nut
lavf-ogg
lavf-pbmpipe
lavf-pcx
lavf-pgm
lavf-pgmpipe
lavf-ppm
lavf-ppmpipe
lavf-rm
lavf-sgi
lavf-swf
lavf-tga
lavf-tiff
lavf-ts	avformat/mpegtsenc: get rid of packet counting for sdt/pat/pmt	2019-08-23 22:49:01 +02:00
lavf-ul
lavf-voc
lavf-wav
lavf-wtv
lavf-y4m	Merge commit 'f8df5e2f31a5ba7b30a0e1caaaf5a03c753b3f9b'	2019-03-14 14:59:45 -03:00
mkv-codec-delay
test-iibbibb-mp4
test-iibbibb-neg-ctts-mp4
vsynth_lena-asv1
vsynth_lena-asv2
vsynth_lena-dnxhd-4k-hr-lb
vsynth_lena-dnxhd-720p
vsynth_lena-dnxhd-720p-rd
vsynth_lena-dnxhd-1080i	avformat/movenc: ensure we don't write the major brand as a compatible brand more than once	2019-12-21 11:57:28 -03:00
vsynth_lena-dv
vsynth_lena-dv-50
vsynth_lena-dv-411
vsynth_lena-ffv1
vsynth_lena-flashsv
vsynth_lena-flv
vsynth_lena-h261
vsynth_lena-h263
vsynth_lena-h263p
vsynth_lena-huffyuv
vsynth_lena-jpegls
vsynth_lena-ljpeg
vsynth_lena-mjpeg
vsynth_lena-mpeg1
vsynth_lena-mpeg1b
vsynth_lena-mpeg2-422
vsynth_lena-mpeg2-idct-int
vsynth_lena-mpeg2-ilace
vsynth_lena-mpeg2-ivlc-qprd
vsynth_lena-mpeg2-thread
vsynth_lena-mpeg2-thread-ivlc
vsynth_lena-mpeg4	avformat/movenc: ensure we don't write the major brand as a compatible brand more than once	2019-12-21 11:57:28 -03:00
vsynth_lena-mpeg4-adap
vsynth_lena-mpeg4-adv
vsynth_lena-mpeg4-error
vsynth_lena-mpeg4-nr
vsynth_lena-mpeg4-nsse
vsynth_lena-mpeg4-qpel
vsynth_lena-mpeg4-qprd
vsynth_lena-mpeg4-rc
vsynth_lena-mpeg4-thread
vsynth_lena-msmpeg4
vsynth_lena-msmpeg4v2
vsynth_lena-rgb
vsynth_lena-roqvideo
vsynth_lena-rv10
vsynth_lena-rv20
vsynth_lena-snow
vsynth_lena-snow-ll
vsynth_lena-svq1	avformat/movenc: ensure we don't write the major brand as a compatible brand more than once	2019-12-21 11:57:28 -03:00
vsynth_lena-wmv1
vsynth_lena-wmv2
vsynth_lena-yuv