Diego Biurrun
e3fcb14347
dsputil: Split off IDCT bits into their own context
11 years ago
Diego Biurrun
adcb8392c9
mjpeg: Split off bits shared by MJPEG and LJPEG encoders
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This obviates a dependency of the LJPEG encoder on mpegvideo.
11 years ago
Michael Niedermayer
d41a4a765b
avcodec/mjpegenc: allow encoding amv with height % 16 != 0 when strict -1 is set
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This should make it simpler for users to test if such videos work
Suggested-by: carl
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Reimar Döffinger
6d695d7acc
Fix nonsense non-mod16 AMV flipping code.
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It is obviously nonsense since it produces wrong results
or even crashes (crashes should be encode-only though).
Fixes trac issue #1092 .
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
181b2c3724
avcodec/mjpegenc: disallow encoding amv with height%16!=0
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I do not know on which side to place the padding to encode with 16x16 MBs
If someone knows or has a known to be correct sample, please contact me
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
256f530603
avcodec/mjpegen: Fix declared argument size
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Fixes part of Ticket3466
Found-by: Andrey_Karpov / PVS-Studio
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
a26e9c1040
avcodec/mjpegenc: Use av_frame_clone() instead of av_frame_ref()
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This avoids the need for double error checking
Fixes CID1163843
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
7dc0aba3fb
avcodec/mjpegenc: use a seperate chroma matrix when luma and chroma differ
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drop hardcoded TWOMATRIX code
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
859d74040e
avcodec/mjpegenc: pass chroma quantization matrix through as well, not just luma
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Nicolas George
2ebaadf35c
lavc/mjpegenc: use proper error codes.
11 years ago
Nicolas George
19a2d101ac
lavc/mjpegenc: check av_frame_alloc() failure.
11 years ago
Michael Niedermayer
5b3f4b3ef5
avcodec/mjpegenc: drop dependancy on sizeof(AVFrame)
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
2b215f3939
mjpeg/ljpegenc: factor ff_mjpeg_init_hvsample() out
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This reduces the amount of duplicated code
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
9a0d719b10
avcodec/mjpegenc/ff_mjpeg_escape_FF: remove unused variable
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
0ebdf8d9ec
avcodec/mjpegenc: fix and use lossless flag in ff_mjpeg_encode_picture_header()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
978ae13f23
avcodec/mjpegenc: move end padding/alignment to ff_mjpeg_escape_FF()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
9fcd58ab26
avcodec/mjpegenc: make escape_FF() non static
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This will be used by ljpeg
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
6005ab3e0e
avcodec/mjpegenc: use av_log2_16bit() in encode_block()
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This reduces the number of operations done per non zero coefficient
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Anton Khirnov
daffed3b17
ljpegenc: accept bgr24 instead of bgra
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The alpha plane is not encoded.
11 years ago
Anton Khirnov
86eb2eaac6
mjpegenc: do not pass MpegEncContext to ff_mjpeg_encode_dc()
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This will allow deMpegEncContextizing the LJPEG encoder.
11 years ago
Anton Khirnov
3360ad9955
mjpegenc: do not pass MpegEncContext to ff_mjpeg_encode_picture_trailer()
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This will allow deMpegEncContextizing the LJPEG encoder.
11 years ago
Anton Khirnov
058d5f2feb
mjpegenc: do not pass MpegEncContext to ff_mjpeg_encode_picture_header()
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This will allow deMpegEncContextizing the LJPEG encoder.
11 years ago
Anton Khirnov
6d70639c7d
mjpegenc: do not pass MpegEncContext to jpeg_table_header()
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Pass the three needed fields from it directly.
This will allow to deMpegEncContextize the LJPEG encoder.
11 years ago
Anton Khirnov
e1eaaec765
mjpegenc: remove commented out never-to-be-finished WIP cruft
11 years ago
Anton Khirnov
ff506c75b7
mjpegenc: do not pass MpegEncContext to put_huffman_table()
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It only needs PutBitContext from it, so pass that directly.
11 years ago
Anton Khirnov
a1ba1f20b3
mjpegenc: cosmetics, reformat jpeg_put_comments()
11 years ago
Anton Khirnov
0812f5a40a
mjpegenc: write the JFIF header if the sample aspect ratio is set
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MpegEncContext.aspect_ratio_info is never set for mjpeg, so this was
never written before.
11 years ago
Clément Bœsch
b46f19100b
cosmetics: group remaining .name and .long_name.
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See b2bed9325
.
11 years ago
Diego Biurrun
b2bed9325d
cosmetics: Group .name and .long_name together in codec/format declarations
11 years ago
Michael Niedermayer
15d4965239
avcodec/mjpegenc: dont store DQT for LJPEG
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This may improve compatibility of lgpegs generated by libavcodec
also encoded ljpegs become slightly smaller
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Diego Biurrun
2a61592573
avcodec: Remove some commented-out debug cruft
11 years ago
Diego Biurrun
c242bbd8b6
Remove unnecessary dsputil.h #includes
12 years ago
Diego Biurrun
88bd7fdc82
Drop DCTELEM typedef
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It does not help as an abstraction and adds dsputil dependencies.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
12 years ago
Michael Niedermayer
41bebda485
mjpegenc: fix restart interval parameters for yuv444
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
28b85b1fff
mjpegenc: fix YUV444 with w%16!=0
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Fixes Ticket2040
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
633ae5a210
mjpegenc: fix 444 block count so it is below 10
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Fixes Ticket1990
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Paul B Mahol
9f02d4ed0f
mjpegenc: yuvj444p support
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
12 years ago
Anton Khirnov
716d413c13
Replace PIX_FMT_* -> AV_PIX_FMT_*, PixelFormat -> AVPixelFormat
12 years ago
Diego Biurrun
9c6cf7f2c9
avcodec: Drop silly and/or broken printf debug output
12 years ago
Martin Storsjö
aefea4d0de
Rename ff_put_string to avpriv_put_string
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This allows using it from libavformat as well. This will be used
by the RTP/JPEG depacketizer.
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Samuel Pitoiset
a0845bae49
mjpeg: Rename some symbols to avpriv_* instead of ff_*
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These symbols will be used from the RTP/JPEG depacketizer.
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Anton Khirnov
36ef5369ee
Replace all CODEC_ID_* with AV_CODEC_ID_*
12 years ago
Michael Niedermayer
a619fd277a
mjpegenc: enable frame multithreading encoder
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
094c5e6c55
mjpegenc: mark as intra only
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
827667eca7
mjpegenc: use av_assert
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Paul B Mahol
137e80817d
lavc: build some codecs only if they are actually enabled
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Saves few bytes if only some of them in same file are enabled.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
13 years ago
Michael Niedermayer
bb850480e1
mjpegenc: support slice multithreading
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Paul B Mahol
f06269dda5
cosmetics: align more codecs declarations
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
13 years ago
Piotr Bandurski
d2581dcca6
mjpegenc: add a limit for maximum supported resolution
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jpeg does not allow more than 65000 pixels for width and height
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Martin Storsjö
00c3b67b8a
cosmetics: Align codec declarations
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Also break some long lines, remove codec function placeholder comments
and add spaces in sample/pixel format lists.
Signed-off-by: Martin Storsjö <martin@martin.st>
13 years ago