FFmpeg

Commit Graph

Author	SHA1	Message	Date
Carl Eugen Hoyos	666749f669	Decode png images without iend chunk. Fixes ticket #3357.	11 years ago
Michael Niedermayer	cb079b1b2b	avcodec/pngdec: fix signed overflow fixes fate ftrapv failure Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Diego Biurrun	b2bed9325d	cosmetics: Group .name and .long_name together in codec/format declarations	11 years ago
Martin Storsjö	a81cad8f86	pngdec: Stop trying to decode once inflate returns Z_STREAM_END If the input buffer contains more data after the deflate stream, the loop previously left running infinitely, with inflate returning Z_STREAM_END. Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org Signed-off-by: Martin Storsjö <martin@martin.st>	11 years ago
Michael Niedermayer	65bf9a44d7	avcodec/pngdec: check for stream end in png_decode_idat() Fix infinite loop Fix Ticket2978 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Paul B Mahol	7d7b4e8d5c	avcodec/png: remove obsolete comments Signed-off-by: Paul B Mahol <onemda@gmail.com>	11 years ago
Michael Niedermayer	60fed98e63	avcodec/pngdec: fix last_row_size type Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	7b47d7f75e	avcodec/pngdec: Fix padded alloc code with threads Fixes Ticket2903 Fixes out of array write no releases should be affected by this Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Paul B Mahol	2a75459519	pngdec: do not release buffer on failure instead report full progress Should fix heap-use-after-free as reported by Address Sanitizer. Signed-off-by: Paul B Mahol <onemda@gmail.com>	12 years ago
Paul B Mahol	dd1d29bd5f	pngdec: use av_fast_padded_malloc(z) Signed-off-by: Paul B Mahol <onemda@gmail.com>	12 years ago
Paul B Mahol	6e643239d9	pngdec: frame multithreading support Signed-off-by: Paul B Mahol <onemda@gmail.com>	12 years ago
Stefano Sabatini	0a3589bf2f	lavc/pngdec: return meaningful error codes	12 years ago
Michael Niedermayer	3b58ab4c5f	pngdec: dont treat mpng like png with key and non keyframes Fixes Ticket2618 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Diego Biurrun	2832ea26f3	Remove commented-out debug #define cruft	12 years ago
Clément Bœsch	1ec94b0f06	lavc: factorize ff_{thread_,re,}get_buffer error messages. Coccinelle profile used: @@ expression r, ctx, f, loglevel, str, flags; @@ -if ((r = ff_get_buffer(ctx, f, flags)) < 0) { - av_log(ctx, loglevel, str); - return r; -} +if ((r = ff_get_buffer(ctx, f, flags)) < 0) + return r; @@ expression r, ctx, f, loglevel, str; @@ -if ((r = ff_reget_buffer(ctx, f)) < 0) { - av_log(ctx, loglevel, str); - return r; -} +if ((r = ff_reget_buffer(ctx, f)) < 0) + return r; @@ expression r, ctx, f, loglevel, str, flags; @@ -if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0) { - av_log(ctx, loglevel, str); - return r; -} +if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0) + return r; ...along with some manual patches for the remaining ones.	12 years ago
Anton Khirnov	759001c534	lavc decoders: work with refcounted frames.	12 years ago
Michael Niedermayer	f59ff8faa2	pngdec: use AVFrame accessor functions Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	1ac0fa50ef	pngdec/filter: dont access out of array elements at the end Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Carl Eugen Hoyos	3c3d68a976	Fix 1bpp palettized png with width not a multiple of 8. Fixes ticket #2204.	12 years ago
Anton Khirnov	9221c0af77	pngdec: cosmetics, reformat. Also remove a commented out line.	12 years ago
Michael Niedermayer	9e36d9e4ed	pngdec: fix decoding of right column for 2/4bpp Fixes Ticket1146 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Anton Khirnov	df9b956751	lavc: fix decode_frame() third parameter semantics for video decoders It's got_frame, not data size	12 years ago
Anton Khirnov	594d4d5df3	lavc: add a wrapper for AVCodecContext.get_buffer(). It will be useful in the upcoming transition to refcounted AVFrames.	12 years ago
Michael Niedermayer	623cfc93d9	pngdec: check that format matches too not just dimensions Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Nicolas George	805b57001f	lavc/pngdec: decode textual data (tEXt and zTXt). Requested in trac ticket #1857.	12 years ago
Michael Niedermayer	b12d92efd6	avoid "0xFF << 24" as it is considered a integer overflow in C99 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Paul B Mahol	8288c2b6cb	pngdec: read sample aspect ratio 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
Michael Niedermayer	0da0b5e0f8	pngdec: av_log() zlib errors Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Anton Khirnov	36ef5369ee	Replace all CODEC_ID_* with AV_CODEC_ID_*	13 years ago
Paul B Mahol	a09ae4ef65	Remove duplicated png and mng signatures. Reviewed-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: Paul B Mahol <onemda@gmail.com>	13 years ago
Ronald S. Bultje	d2205d6543	png: check bit depth for PAL8/Y400A pixel formats. Wrong bit depth can lead to invalid rowsize values, which crashes the decoder further down. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org	13 years ago
Michael Niedermayer	a63c813797	pngdec: check bits_per_pixel for palette mode. This fixes a out of array read Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	c7dc19d68f	png: make sure the previous frames dimensions match before using it as reference Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Martin Storsjö	00c3b67b8a	cosmetics: Align codec declarations 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
Paul B Mahol	25b67dc765	png: fix warning about discarding qualifiers [-Wincompatible-pointer-types] Signed-off-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Clément Bœsch	50a3867bab	png: make ff_png_pass_mask local to pngdec.	13 years ago
Michael Niedermayer	8f394a6cf8	pngdec: print error message for truncated pngs even if we output them Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	4ed47d3354	pngdec: dont discard incomplete images. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	eeb792d862	pngdec: Print error messages for the various failure pathes. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Ronald S. Bultje	4c25269ced	png: convert to bytestream2 API. Protects against overreads in the input buffer. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org	13 years ago
Michael Niedermayer	39a3a53b66	pngdec: validate length. Fixes out of array reading. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	8a08503b78	pngdec: Print error if signature is wrong. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Paul B Mahol	08630d25a2	png: make .long_name more descriptive Signed-off-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Diego Biurrun <diego@biurrun.de>	13 years ago
Michael Niedermayer	146ef3f37c	pngdec: fix warning about pointer types Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Carl Eugen Hoyos	97da38c99b	Allow decoding of 64bit png images. Fixes a part of ticket #639.	13 years ago
Carl Eugen Hoyos	ea604de91e	Simplify "deloco" and support decoding of 48bit loco png.	13 years ago
Ronald S. Bultje	e92003514d	png: move DSP functions to their own DSP context.	13 years ago
Michael Niedermayer	49f2056289	pngdec: Convert 2/4 bit formats to 8bit. This way 2 and 4 bit gray, rgb & rgba are supported. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	d1c48025a7	pngdec: Do not use SIMD paeth prediction for bpp=2 Fixes decoding of basi4a08.png Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago

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125 Commits (91a61c4c156dcc4d5a8ac579b6b5dd310deeaefe)