FFmpeg

Commit Graph

Author	SHA1	Message	Date
Paul B Mahol	4b2968d305	avfilter/vf_deblock: add support for commands	4 years ago
Paul B Mahol	d8181cbbc4	avfilter/vf_lut3d: lut1d: add support for commands	4 years ago
Paul B Mahol	d0a24bfad1	avfilter/vf_mix: add support for commands	4 years ago
Gyan Doshi	d99cc17825	ffmpeg: add -fpsmax to clamp output framerate Useful when encoding in batch or with aberrant inputs.	4 years ago
Paul B Mahol	fb9c56bbd5	avfilter/af_arnndn: add support for commands	4 years ago
Paul B Mahol	3d7ee5c91a	avfilter/vf_blend: add support for commands	4 years ago
Paul B Mahol	5765149392	avfilter/af_amix: add sum option	4 years ago
Paul B Mahol	f6621a8e72	avfilter: add colorcorrect filter	4 years ago
Paul B Mahol	090f31f813	avfilter: add colorcontrast filter	4 years ago
Limin Wang	38caef3876	avformat/hlsenc: use AV_OPT_TYPE_DURATION Signed-off-by: Limin Wang <lance.lmwang@gmail.com>	4 years ago
Gyan Doshi	6c92557756	doc/ffmpeg: document apad option	4 years ago
Paul B Mahol	54de7dc372	avfilter/af_acrusher: add commands support	4 years ago
Paul B Mahol	633e344d96	avfilter/vf_lagfun: add support for commands	4 years ago
Paul B Mahol	d43a27ab6f	avfilter/vf_pseudocolor: allow more advanced presets	4 years ago
Paul B Mahol	50dd020f04	avfilter/vf_lut3d: add prism interpolation	4 years ago
Paul B Mahol	26a53519dc	avfilter/vf_lut3d: add pyramid interpolation	4 years ago
Paul B Mahol	ed51890191	doc/filters: mention commands support for pseudocolor	4 years ago
Paul B Mahol	d01aa49753	avfilter/vf_pseudocolor: add presets	4 years ago
Paul B Mahol	a9d23d33a1	avfilter: add colortemperature filter	4 years ago
Paul B Mahol	35f8628047	avfilter: add kirsch video filter	4 years ago
Paul B Mahol	021dc4f107	doc/filters: mention that shear filter supports commands	4 years ago
Paul B Mahol	2ee2e4cd41	avfilter/vf_colorchannelmixer: extend pl option functionality	4 years ago
Paul B Mahol	46f170e544	avfilter/vf_lenscorrection: add support for commands	4 years ago
Michael Niedermayer	5dd9567080	avutil/common: Add FFABSU() for a signed -> unsigned ABS Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	4 years ago
Paul B Mahol	37f76c81d6	avfilter: add shear video filter	4 years ago
James Almer	56709ca8aa	avcodec: deprecate AVCodecContext.debug_mv It's been unused for almost three years now. Signed-off-by: James Almer <jamrial@gmail.com>	4 years ago
Paul B Mahol	a2a06029cf	avfilter/vf_lenscorrection: allow to change colors of unmapped pixels	4 years ago
Paul B Mahol	b897b52618	avfilter: add epx pixel art scaler	4 years ago
Paul B Mahol	e41a92910a	avfilter/vf_lenscorrection: add bilinear interpolation	4 years ago
Paul B Mahol	b2bbcede5e	avfilter/vf_colorchannelmixer: add option to preserve lightness	4 years ago
Gyan Doshi	d8a585d4d5	doc/ffmpeg: document adrift_threshold	4 years ago
Gyan Doshi	e8b46b2c73	doc/ffmpeg: restore location of stray passage Added in `88fc1438c6`, this passage was separated from its original context over the years with unrelated entries sandwiched in between.	4 years ago
Gyan Doshi	c52ced7ca2	doc/fftools-common-opts: document max_alloc	4 years ago
Gyan Doshi	e73a8ecb38	doc/fftools-common-opts: document buildconf	4 years ago
Paul B Mahol	bb66fd7f90	avfilter/vf_estdif: make interpolation used user configurable	4 years ago
Paul B Mahol	95183d25e8	avfilter/vf_atadenoise: add sigma options	4 years ago
Paul B Mahol	117bf7394f	avfilter/vf_nnedi: rewrite and cleanup code Also add slice threading support. Also add support for >8 depth formats. Also add support for commands.	4 years ago
Paul B Mahol	9e1956175c	avfilter/vf_maskedmerge: add yuv440p10 and commands support	4 years ago
Paul B Mahol	8d86d58941	avfilter/vf_datascope: add option to show only subset of components	4 years ago
Paul B Mahol	eb0f532c98	avfilter/vf_bbox: add support for commands	4 years ago
Paul B Mahol	b7817f23c0	avfilter/vf_phase: add support for commands	4 years ago
Paul B Mahol	e722b443e4	avfilter: add estdif video filter	4 years ago
Wonkap Jang	57dae5723f	avcodec/libvpxenc: add a way to set VP9E_SET_SVC_REF_FRAME_CONFIG In order to fine-control referencing schemes in VP9 encoding, there is a need to use VP9E_SET_SVC_REF_FRAME_CONFIG method. This commit provides a way to use the API through frame metadata.	4 years ago
Lynne	2d85e6e723	ac3enc_fixed: convert to 32-bit sample format The AC3 encoder used to be a separate library called "Aften", which got merged into libavcodec (literally, SVN commits and all). The merge preserved as much features from the library as possible. The code had two versions - a fixed point version and a floating point version. FFmpeg had floating point DSP code used by other codecs, the AC3 decoder including, so the floating-point DSP was simply replaced with FFmpeg's own functions. However, FFmpeg had no fixed-point audio code at that point. So the encoder brought along its own fixed-point DSP functions, including a fixed-point MDCT. The fixed-point MDCT itself is trivially just a float MDCT with a different type and each multiply being a fixed-point multiply. So over time, it got refactored, and the FFT used for all other codecs was templated. Due to design decisions at the time, the fixed-point version of the encoder operates at 16-bits of precision. Although convenient, this, even at the time, was inadequate and inefficient. The encoder is noisy, does not produce output comparable to the float encoder, and even rings at higher frequencies due to the badly approximated winow function. Enter MIPS (owned by Imagination Technologies at the time). They wanted quick fixed-point decoding on their FPUless cores. So they contributed patches to template the AC3 decoder so it had both a fixed-point and a floating-point version. They also did the same for the AAC decoder. They however, used 32-bit samples. Not 16-bits. And we did not have 32-bit fixed-point DSP functions, including an MDCT. But instead of templating our MDCT to output 3 versions (float, 32-bit fixed and 16-bit fixed), they simply copy-pasted their own MDCT into ours, and completely ifdeffed our own MDCT code out if a 32-bit fixed point MDCT was selected. This is also the status quo nowadays - 2 separate MDCTs, one which produces floating point and 16-bit fixed point versions, and one sort-of integrated which produces 32-bit MDCT. MIPS weren't all that interested in encoding, so they left the encoder as-is, and they didn't care much about the ifdeffery, mess or quality - it's not their problem. So the MDCT/FFT code has always been a thorn in anyone looking to clean up code's eye. Backstory over. Internally AC3 operates on 25-bit fixed-point coefficients. So for the floating point version, the encoder simply runs the float MDCT, and converts the resulting coefficients to 25-bit fixed-point, as AC3 is inherently a fixed-point codec. For the fixed-point version, the input is 16-bit samples, so to maximize precision the frame samples are analyzed and the highest set bit is detected via ac3_max_msb_abs_int16(), and the coefficients are then scaled up via ac3_lshift_int16(), so the input for the FFT is always at least 14 bits, computed in normalize_samples(). After FFT, the coefficients are scaled up to 25 bits. This patch simply changes the encoder to accept 32-bit samples, reusing the already well-optimized 32-bit MDCT code, allowing us to clean up and drop a large part of a very messy code of ours, as well as prepare for the future lavu/tx conversion. The coefficients are simply scaled down to 25 bits during windowing, skipping 2 separate scalings, as the hacks to extend precision are simply no longer necessary. There's no point in running the MDCT always at 32 bits when you're going to drop 6 bits off anyway, the headroom is plenty, and the MDCT rounds properly. This also makes the encoder even slightly more accurate over the float version, as there's no coefficient conversion step necessary. SIZE SAVINGS: ARM32: HARDCODED TABLES: BASE - 10709590 DROP DSP - 10702872 - diff: -6.56KiB DROP MDCT - 10667932 - diff: -34.12KiB - both: -40.68KiB DROP FFT - 10336652 - diff: -323.52KiB - all: -364.20KiB SOFTCODED TABLES: BASE - 9685096 DROP DSP - 9678378 - diff: -6.56KiB DROP MDCT - 9643466 - diff: -34.09KiB - both: -40.65KiB DROP FFT - 9573918 - diff: -67.92KiB - all: -108.57KiB ARM64: HARDCODED TABLES: BASE - 14641112 DROP DSP - 14633806 - diff: -7.13KiB DROP MDCT - 14604812 - diff: -28.31KiB - both: -35.45KiB DROP FFT - 14286826 - diff: -310.53KiB - all: -345.98KiB SOFTCODED TABLES: BASE - 13636238 DROP DSP - 13628932 - diff: -7.13KiB DROP MDCT - 13599866 - diff: -28.38KiB - both: -35.52KiB DROP FFT - 13542080 - diff: -56.43KiB - all: -91.95KiB x86: HARDCODED TABLES: BASE - 12367336 DROP DSP - 12354698 - diff: -12.34KiB DROP MDCT - 12331024 - diff: -23.12KiB - both: -35.46KiB DROP FFT - 12029788 - diff: -294.18KiB - all: -329.64KiB SOFTCODED TABLES: BASE - 11358094 DROP DSP - 11345456 - diff: -12.34KiB DROP MDCT - 11321742 - diff: -23.16KiB - both: -35.50KiB DROP FFT - 11276946 - diff: -43.75KiB - all: -79.25KiB PERFORMANCE (10min random s32le): ARM32 - before - 39.9x - 0m15.046s ARM32 - after - 28.2x - 0m21.525s Speed: -30% ARM64 - before - 36.1x - 0m16.637s ARM64 - after - 36.0x - 0m16.727s Speed: -0.5% x86 - before - 184x - 0m3.277s x86 - after - 190x - 0m3.187s Speed: +3%	4 years ago
Nuo Mi	ebdd33086a	avcodec: add vvc codec id and profiles Signed-off-by: James Almer <jamrial@gmail.com>	4 years ago
Gyan Doshi	0fff6c039c	doc/ffmpeg: document max_error_rate	4 years ago
Lingjiang Fang	c4407a3e00	doc/protocols: explain tcp listen option description Signed-off-by: Marton Balint <cus@passwd.hu>	4 years ago
James Almer	5f9632e491	avcodec/av1dec: add an option to select an operating point Signed-off-by: James Almer <jamrial@gmail.com>	4 years ago
Paul B Mahol	b112c86a2e	avfilter/vf_w3fdif: add two more useful options	4 years ago
erankor	fde5593c7c	avformat/http: support retry on connection error Add 2 new options: - reconnect_on_http_error - a list of http status codes that should be retried. the list can contain explicit status codes / the strings 4xx/5xx. - reconnect_on_network_error - reconnects on arbitrary errors during connect, e.g. ECONNRESET/ETIMEDOUT the retry employs the same exponential backoff logic as the existing reconnect/reconnect_at_eof flags. related tickets: https://trac.ffmpeg.org/ticket/6066 https://trac.ffmpeg.org/ticket/7768 Signed-off-by: Marton Balint <cus@passwd.hu>	4 years ago

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8107 Commits (b51c2c48c1fbb4f1ae6f07a1b9c5561a99d39063)