Chiebot-Mirror/FFmpeg - FFmpeg - Gitea: Git with a cup of tea

Author	SHA1	Message	Date
Andreas Rheinhardt	6fe4e8fab4	avcodec/mpegvideo: Split ff_mpv_reconstruct_mb() into de/encoder part This has the advantage of not having to check for whether a given MpegEncContext is actually a decoder or an encoder context at runtime. To do so, mpv_reconstruct_mb_internal() is moved into a new template file that is included by both mpegvideo_enc.c and mpegvideo_dec.c; the decoder-only code (mainly lowres) are also moved to mpegvideo_dec.c. The is_encoder checks are changed to #if IS_ENCODER in order to avoid having to include headers for decoder-only functions in mpegvideo_enc.c. This approach also has the advantage that it is easy to adapt mpv_reconstruct_mb_internal() to using different structures for decoders and encoders (e.g. the check for whether a macroblock should be processed for the encoder or not uses MpegEncContext elements that make no sense for decoders and should not be part of their context). Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>	2 years ago
Andreas Rheinhardt	145236741d	avcodec/mpegvideo: Inline values in ff_update_block_index() This is possible for most of the callers, because e.g. only the MPEG-4 decoder can have bits_per_raw_sample > 8. Also most mpegvideo-based codecs are 420 only. Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>	2 years ago
Marton Balint	e3a9630982	avcodec/mpeg_er: fix clearing chroma blocks for 422 and 444 Fixes ticket #7494. Signed-off-by: Marton Balint <cus@passwd.hu>	6 years ago
Michael Niedermayer	127a362630	avcodec/mpeg_er: Clear mcsel in mpeg_er_decode_mb() Fixes out of array read Should fix: 3516/clusterfuzz-testcase-minimized-4608518562775040 (not reprodoceable) Found-by: Insu Yun, Georgia Tech. Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	7 years ago
Michael Niedermayer	f670c13f13	avcodec: Rename ff_mpv_decode_mb() to ff_mpv_reconstruct_mb The new name more accuratly describes what the function does Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	d9d9fd9446	avcodec/error_resilience: Optimize motion recovery code by using blcok lists This makes the code 7 times faster with the testcase from libfuzzer and should reduce the amount of timeouts we hit in automated fuzzing. (for example 438/fuzz-2-ffmpeg_VIDEO_AV_CODEC_ID_RV40_fuzzer) The code is also faster with more realistic input though the difference is small here as that is far from the worst cases the fuzzers pick out Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Vittorio Giovara	8b5007a31b	mpegvideo: Move ER functions to a separate file	10 years ago
Diego Biurrun	7b9ef8d701	mpeg: Split error resilience bits off into a separate file	11 years ago