FFmpeg

Commit Graph

Author	SHA1	Message	Date
Michael Niedermayer	7c9d69360c	lavc: check media type of the decoder before calling it. This fixes a segfault where a video decoder was called from avcodec_decode_audio*(). Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Anton Khirnov	3c6607eb6f	avcodec_encode_{audio,video}: only reallocate output packet when it has non-zero size. Otherwise realloc would free it, which would result in double free later.	13 years ago
Ronald S. Bultje	bc1ef85520	lavc/avconv: support changing frame sizes in codecs with frame mt. Signed-off-by: Anton Khirnov <anton@khirnov.net>	13 years ago
Michael Niedermayer	59a4b73531	pthread/mpegvideo: detect and block attempts to init frames after setup. This fixes race conditions that ultimately lead to memory corruption. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	532f1c7aa7	lavc: limit realloc() on encoding to the libav compatibility API. Neither the old nor new need it. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	740b9ff44e	lavc: Redesign the internal encoding API. The new API allows (optionally and on by default) using a internal buffer to encode, avoiding the need to allocate large buffers or risking failure on too small buffers. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	dca0e4cd61	avcodec_encode_audio2: use ff_alloc_packet2() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	00663de3b7	lavc: add ff_alloc_packet2(). This contains a AVCodecContext thus allowing us to prevent the error message duplication Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	6c9db40205	avcodec_encode_audio2: add missing padding to realloc() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Justin Ruggles	a1977e0103	lavc: shrink encoded audio packet size after encoding.	13 years ago
Michael Niedermayer	fc8ed1117e	avcodec_encode_audio2: Increase the audio buffer size. Fixes Ticket1104 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Ronald S. Bultje	c346f6304c	adpcm: fix nb_samples rounding for adpcm_ima_dk3, and update reference.	13 years ago
Nicolas George	15d75dabee	lavc/utils: fix three const warnings. No change in assembly code produced on x86_64.	13 years ago
Michael Niedermayer	57986c501e	lavc/utils: fix const correctness of AVClass cast Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	11344792e8	lavc/utils: remove unused variable from avcodec_encode_video2. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Justin Ruggles	9524cf79df	avcodec: add av_get_audio_frame_duration() function. This is a utility function for the user to get the frame duration based on the codec id, frame size in bytes, and various AVCodecContext parameters.	13 years ago
Justin Ruggles	6699d07480	avcodec: add av_get_exact_bits_per_sample() function This only returns bits per sample when it is exactly correct. That is, the codec contains only raw samples with no frame headers or padding. This applies to basically all PCM codecs and a small subset of ADPCM codecs.	13 years ago
Anton Khirnov	44fe77b350	lavc: make codec_is_decoder/encoder() public.	13 years ago
Nicolas George	b2792a436b	lavc: unify similar code merged from both branches.	13 years ago
Anton Khirnov	7fb6c9225c	lavc: free the output packet when encoding failed or produced no output.	13 years ago
Anton Khirnov	e42e9b0e4d	lavc: preserve avpkt->destruct in ff_alloc_packet(). Also, don't bother with saving/restoring data, av_init_packet doesn't touch it.	13 years ago
Anton Khirnov	eb727387fd	lavc: shrink encoded video packet size after encoding. Based on a patch by Nicolas George <nicolas.george <at> normalesup.org>	13 years ago
Michael Niedermayer	a77c8ade2e	lavc: fix 10l oversight in realloc of avcodec_encode_video2. Packets are not guranteed to be allocated by av_malloc(). Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Nicolas George	33b9fe562a	encode_video2: shrink packet after encoding. With the encode2 API, encoders allocate huge packets to be sure they have enough room (a typical case is mpeg4, which allocs ~10M for 1280x768 yuv420p) but only actually use a very small part of the buffer.	13 years ago
Michael Niedermayer	c250063523	get_buffers: Check that pix_fmt is not NONE. This is somewhat redundant as no decoder should call get_buffer() with such argument. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Diego Biurrun	d10319d87f	avcodec_default_reget_buffer(): fix compilation in DEBUG mode	13 years ago
Anton Khirnov	03ca0a5b30	lavc: merge two if()s with the same condition.	13 years ago
Anton Khirnov	d55fa6f9cb	lavc: factorize setting got_packet_ptr in avcodec_encode_video2()	13 years ago
Anton Khirnov	52953d61ca	lavc: signal no output when a NULL frame is passed to audio encoder without delay	13 years ago
Ronald S. Bultje	87840eeb71	avcodec: disallow reget_buffer() if pix_fmt changed.	13 years ago
Anton Khirnov	ff311c0918	lavc: drop encode() support for video. All video encoders have been converted to encode2(), all new encoders should also use only encode2().	13 years ago
Nicolas George	9cbf17e9af	lavc: introduce av_get_pcm_codec.	13 years ago
Justin Ruggles	70749c483c	avcodec: do not override pts or duration from the audio encoder This allows encoders to set pts and/or duration even if they do not use CODEC_CAP_DELAY.	13 years ago
Justin Ruggles	91a28b0e8e	avcodec: add ff_samples_to_time_base() convenience function to internal.h	13 years ago
Stefano Sabatini	3293b1adca	lavc: set bit_rate in the decoder context, just after the init stage Also move the get_bit_rate() function, in order to avoid an undefined symbol reference in avcodec_open2().	13 years ago
Martin Storsjö	9cf0841ef3	dsputil: Add ff_ prefix to the dsputil_init functions Signed-off-by: Martin Storsjö <martin@martin.st>	13 years ago
Paul B Mahol	148d1f4799	lavc: add missing PIX_FMT_YUVA444P Signed-off-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Paul B Mahol	dcd2b55e1a	Check AVCodec.pix_fmts in avcodec_open2() Signed-off-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>	13 years ago
Justin Ruggles	b758cf7343	avcodec: set avpkt->size to 0 if encode2() did not output a packet	13 years ago
Justin Ruggles	a75bc764ec	avcodec: for audio encoding, set packet dts to packet pts. There are no audio encoders which do frame reordering.	13 years ago
Anton Khirnov	52f82a1148	lavc: add avcodec_encode_video2() that encodes from an AVFrame -> AVPacket Deprecate avcodec_encode_video().	13 years ago
Ronald S. Bultje	9b027c0d07	dsputil: set STRIDE_ALIGN to 16 for x86 also. This fixes crashes in e.g. PNG decoding with SSE2 enabled. In fact, many x86 optimizations for codecs assume that our buffer strides are 16-byte aligned.	13 years ago
Justin Ruggles	1a670973a7	ff_alloc_packet: modify the size of the packet to match the requested size This will simplify encoders which use this function to request the exact packet size rather than the maximum size.	13 years ago
Janne Grunau	316fc7443b	avcodec: Add av_fast_padded_malloc(). Wrapper around av_fast_malloc() that keeps FF_INPUT_BUFFER_PADDING_SIZE zero-padded bytes at the end of the used buffer. Based on a patch by Reimar Döffinger <Reimar.Doeffinger@gmx.de>.	13 years ago
Anton Khirnov	bc90199848	lavc: set AVCodecContext.codec in avcodec_get_context_defaults3(). This way, if the AVCodecContext is allocated for a specific codec, the caller doesn't need to store this codec separately and then pass it again to avcodec_open2(). It also allows to set codec private options using av_opt_set_* before opening the codec.	13 years ago
Anton Khirnov	0e72ad95f9	lavc: make avcodec_close() work properly on unopened codecs. I.e. free the priv_data and other stuff allocated in avcodec_alloc_context3() and not segfault.	13 years ago
Anton Khirnov	af08d9aeea	lavc: add avcodec_is_open(). It allows to check whether an AVCodecContext is open in a documented way. Right now the undocumented way this check is done in lavf/lavc is by checking whether AVCodecContext.codec is NULL. However it's desirable to be able to set AVCodecContext.codec before avcodec_open2().	13 years ago
Anton Khirnov	2d9535ad31	avcodec_align_dimensions2: set only 4 linesizes, not AV_NUM_DATA_POINTERS. This function is video-only, so there's no point in setting more linesizes. Fixes stack corruption in avplay.	13 years ago
Martin Storsjö	9a7dc618c5	libavcodec: Don't crash in avcodec_encode_audio if time_base isn't set Earlier, calling avcodec_encode_audio worked fine even if time_base wasn't set. Now it crashes due to trying to scale the output pts to the codec context time base. This affects e.g. VLC. If no time_base is set for audio codecs, set it to the sample rate. CC: libav-stable@libav.org Signed-off-by: Martin Storsjö <martin@martin.st>	13 years ago
Anton Khirnov	3211932c51	lavc: remove disabled FF_API_AVCODEC_INIT cruft.	13 years ago

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726 Commits (10e3dd15a5ce3d9ce6466d5f3e06c44e48753100)