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https://github.com/FFmpeg/FFmpeg.git
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a05a44e205
* commit '7e350379f87e7f74420b4813170fe808e2313911':
lavfi: switch to AVFrame.
Conflicts:
doc/filters.texi
libavfilter/af_ashowinfo.c
libavfilter/audio.c
libavfilter/avfilter.c
libavfilter/avfilter.h
libavfilter/buffersink.c
libavfilter/buffersrc.c
libavfilter/buffersrc.h
libavfilter/f_select.c
libavfilter/f_setpts.c
libavfilter/fifo.c
libavfilter/split.c
libavfilter/src_movie.c
libavfilter/version.h
libavfilter/vf_aspect.c
libavfilter/vf_bbox.c
libavfilter/vf_blackframe.c
libavfilter/vf_delogo.c
libavfilter/vf_drawbox.c
libavfilter/vf_drawtext.c
libavfilter/vf_fade.c
libavfilter/vf_fieldorder.c
libavfilter/vf_fps.c
libavfilter/vf_frei0r.c
libavfilter/vf_gradfun.c
libavfilter/vf_hqdn3d.c
libavfilter/vf_lut.c
libavfilter/vf_overlay.c
libavfilter/vf_pad.c
libavfilter/vf_scale.c
libavfilter/vf_showinfo.c
libavfilter/vf_transpose.c
libavfilter/vf_vflip.c
libavfilter/vf_yadif.c
libavfilter/video.c
libavfilter/vsrc_testsrc.c
libavfilter/yadif.h
Following are notes about the merge authorship and various technical details.
Michael Niedermayer:
* Main merge operation, notably avfilter.c and video.c
* Switch to AVFrame:
- afade
- anullsrc
- apad
- aresample
- blackframe
- deshake
- idet
- il
- mandelbrot
- mptestsrc
- noise
- setfield
- smartblur
- tinterlace
* various merge changes and fixes in:
- ashowinfo
- blackdetect
- field
- fps
- select
- testsrc
- yadif
Nicolas George:
* Switch to AVFrame:
- make rawdec work with refcounted frames. Adapted from commit
759001c534
by Anton Khirnov.
Also, fix the use of || instead of | in a flags check.
- make buffer sink and src, audio and video work all together
Clément Bœsch:
* Switch to AVFrame:
- aevalsrc
- alphaextract
- blend
- cellauto
- colormatrix
- concat
- earwax
- ebur128
- edgedetect
- geq
- histeq
- histogram
- hue
- kerndeint
- life
- movie
- mp (with the help of Michael)
- overlay
- pad
- pan
- pp
- pp
- removelogo
- sendcmd
- showspectrum
- showwaves
- silencedetect
- stereo3d
- subtitles
- super2xsai
- swapuv
- thumbnail
- tile
Hendrik Leppkes:
* Switch to AVFrame:
- aconvert
- amerge
- asetnsamples
- atempo
- biquads
Matthieu Bouron:
* Switch to AVFrame
- alphamerge
- decimate
- volumedetect
Stefano Sabatini:
* Switch to AVFrame:
- astreamsync
- flite
- framestep
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Clément Bœsch <ubitux@gmail.com>
Signed-off-by: Hendrik Leppkes <h.leppkes@gmail.com>
Signed-off-by: Matthieu Bouron <matthieu.bouron@gmail.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
Merged-by: Michael Niedermayer <michaelni@gmx.at>
112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
/*
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* Copyright (c) 2007 Bobby Bingham
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* video vertical flip filter
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*/
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#include "libavutil/internal.h"
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#include "libavutil/pixdesc.h"
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#include "avfilter.h"
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#include "internal.h"
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#include "video.h"
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typedef struct {
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int vsub; ///< vertical chroma subsampling
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} FlipContext;
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static int config_input(AVFilterLink *link)
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{
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FlipContext *flip = link->dst->priv;
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
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flip->vsub = desc->log2_chroma_h;
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return 0;
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}
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static AVFrame *get_video_buffer(AVFilterLink *link, int w, int h)
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{
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FlipContext *flip = link->dst->priv;
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AVFrame *frame;
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int i;
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frame = ff_get_video_buffer(link->dst->outputs[0], w, h);
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if (!frame)
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return NULL;
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for (i = 0; i < 4; i ++) {
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int vsub = i == 1 || i == 2 ? flip->vsub : 0;
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if (frame->data[i]) {
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frame->data[i] += (((h + (1<<vsub) - 1) >> vsub) - 1) * frame->linesize[i];
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frame->linesize[i] = -frame->linesize[i];
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}
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}
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return frame;
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}
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static int filter_frame(AVFilterLink *link, AVFrame *frame)
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{
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FlipContext *flip = link->dst->priv;
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int i;
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for (i = 0; i < 4; i ++) {
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int vsub = i == 1 || i == 2 ? flip->vsub : 0;
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if (frame->data[i]) {
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frame->data[i] += (((link->h + (1<<vsub)-1)>> vsub)-1) * frame->linesize[i];
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frame->linesize[i] = -frame->linesize[i];
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}
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}
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return ff_filter_frame(link->dst->outputs[0], frame);
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}
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static const AVFilterPad avfilter_vf_vflip_inputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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.get_video_buffer = get_video_buffer,
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.filter_frame = filter_frame,
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.config_props = config_input,
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},
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{ NULL }
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};
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static const AVFilterPad avfilter_vf_vflip_outputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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},
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{ NULL }
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};
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AVFilter avfilter_vf_vflip = {
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.name = "vflip",
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.description = NULL_IF_CONFIG_SMALL("Flip the input video vertically."),
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.priv_size = sizeof(FlipContext),
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.inputs = avfilter_vf_vflip_inputs,
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.outputs = avfilter_vf_vflip_outputs,
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};
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