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vf_pp.c
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1 /*
2  * Copyright (c) 2002 A'rpi
3  * Copyright (C) 2012 Clément Bœsch
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20  */
21 
22 /**
23  * @file
24  * libpostproc filter, ported from MPlayer.
25  */
26 
27 #include "libavutil/avassert.h"
28 #include "libavutil/opt.h"
29 #include "internal.h"
30 
32 
33 typedef struct {
34  const AVClass *class;
35  char *subfilters;
36  int mode_id;
38  void *pp_ctx;
40 
41 #define OFFSET(x) offsetof(PPFilterContext, x)
42 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
43 static const AVOption pp_options[] = {
44  { "subfilters", "set postprocess subfilters", OFFSET(subfilters), AV_OPT_TYPE_STRING, {.str="de"}, .flags = FLAGS },
45  { NULL }
46 };
47 
49 
51 {
52  int i;
53  PPFilterContext *pp = ctx->priv;
54 
55  for (i = 0; i <= PP_QUALITY_MAX; i++) {
57  if (!pp->modes[i])
58  return AVERROR_EXTERNAL;
59  }
60  pp->mode_id = PP_QUALITY_MAX;
61  return 0;
62 }
63 
64 static int pp_process_command(AVFilterContext *ctx, const char *cmd, const char *args,
65  char *res, int res_len, int flags)
66 {
67  PPFilterContext *pp = ctx->priv;
68 
69  if (!strcmp(cmd, "quality")) {
70  pp->mode_id = av_clip(strtol(args, NULL, 10), 0, PP_QUALITY_MAX);
71  return 0;
72  }
73  return AVERROR(ENOSYS);
74 }
75 
77 {
78  static const enum AVPixelFormat pix_fmts[] = {
87  };
88 
89  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
90  if (!fmts_list)
91  return AVERROR(ENOMEM);
92  return ff_set_common_formats(ctx, fmts_list);
93 }
94 
95 static int pp_config_props(AVFilterLink *inlink)
96 {
97  int flags = PP_CPU_CAPS_AUTO;
98  PPFilterContext *pp = inlink->dst->priv;
99 
100  switch (inlink->format) {
101  case AV_PIX_FMT_GRAY8:
102  case AV_PIX_FMT_YUVJ420P:
103  case AV_PIX_FMT_YUV420P: flags |= PP_FORMAT_420; break;
104  case AV_PIX_FMT_YUVJ422P:
105  case AV_PIX_FMT_YUV422P: flags |= PP_FORMAT_422; break;
106  case AV_PIX_FMT_YUV411P: flags |= PP_FORMAT_411; break;
107  case AV_PIX_FMT_GBRP:
108  case AV_PIX_FMT_YUVJ444P:
109  case AV_PIX_FMT_YUV444P: flags |= PP_FORMAT_444; break;
110  case AV_PIX_FMT_YUVJ440P:
111  case AV_PIX_FMT_YUV440P: flags |= PP_FORMAT_440; break;
112  default: av_assert0(0);
113  }
114 
115  pp->pp_ctx = pp_get_context(inlink->w, inlink->h, flags);
116  if (!pp->pp_ctx)
117  return AVERROR(ENOMEM);
118  return 0;
119 }
120 
121 static int pp_filter_frame(AVFilterLink *inlink, AVFrame *inbuf)
122 {
123  AVFilterContext *ctx = inlink->dst;
124  PPFilterContext *pp = ctx->priv;
125  AVFilterLink *outlink = ctx->outputs[0];
126  const int aligned_w = FFALIGN(outlink->w, 8);
127  const int aligned_h = FFALIGN(outlink->h, 8);
128  AVFrame *outbuf;
129  int qstride, qp_type;
130  int8_t *qp_table ;
131 
132  outbuf = ff_get_video_buffer(outlink, aligned_w, aligned_h);
133  if (!outbuf) {
134  av_frame_free(&inbuf);
135  return AVERROR(ENOMEM);
136  }
137  av_frame_copy_props(outbuf, inbuf);
138  outbuf->width = inbuf->width;
139  outbuf->height = inbuf->height;
140  qp_table = av_frame_get_qp_table(inbuf, &qstride, &qp_type);
141 
142  pp_postprocess((const uint8_t **)inbuf->data, inbuf->linesize,
143  outbuf->data, outbuf->linesize,
144  aligned_w, outlink->h,
145  qp_table,
146  qstride,
147  pp->modes[pp->mode_id],
148  pp->pp_ctx,
149  outbuf->pict_type | (qp_type ? PP_PICT_TYPE_QP2 : 0));
150 
151  av_frame_free(&inbuf);
152  return ff_filter_frame(outlink, outbuf);
153 }
154 
156 {
157  int i;
158  PPFilterContext *pp = ctx->priv;
159 
160  for (i = 0; i <= PP_QUALITY_MAX; i++)
161  pp_free_mode(pp->modes[i]);
162  if (pp->pp_ctx)
163  pp_free_context(pp->pp_ctx);
164 }
165 
166 static const AVFilterPad pp_inputs[] = {
167  {
168  .name = "default",
169  .type = AVMEDIA_TYPE_VIDEO,
170  .config_props = pp_config_props,
171  .filter_frame = pp_filter_frame,
172  },
173  { NULL }
174 };
175 
176 static const AVFilterPad pp_outputs[] = {
177  {
178  .name = "default",
179  .type = AVMEDIA_TYPE_VIDEO,
180  },
181  { NULL }
182 };
183 
185  .name = "pp",
186  .description = NULL_IF_CONFIG_SMALL("Filter video using libpostproc."),
187  .priv_size = sizeof(PPFilterContext),
188  .init = pp_init,
189  .uninit = pp_uninit,
191  .inputs = pp_inputs,
192  .outputs = pp_outputs,
194  .priv_class = &pp_class,
196 };
static av_cold void pp_uninit(AVFilterContext *ctx)
Definition: vf_pp.c:155
#define NULL
Definition: coverity.c:32
This structure describes decoded (raw) audio or video data.
Definition: frame.h:180
AVOption.
Definition: opt.h:245
AVFormatContext * ctx
Definition: movenc-test.c:48
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:67
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
av_cold void pp_free_context(void *vc)
Definition: postprocess.c:920
void pp_postprocess(const uint8_t *src[3], const int srcStride[3], uint8_t *dst[3], const int dstStride[3], int width, int height, const QP_STORE_T *QP_store, int QPStride, pp_mode *vm, void *vc, int pict_type)
Definition: postprocess.c:943
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:180
pp_mode * pp_get_mode_by_name_and_quality(const char *name, int quality)
Return a pp_mode or NULL if an error occurred.
Definition: postprocess.c:649
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:76
av_cold pp_context * pp_get_context(int width, int height, int cpuCaps)
Definition: postprocess.c:887
int8_t * av_frame_get_qp_table(AVFrame *f, int *stride, int *type)
Definition: frame.c:64
#define PP_FORMAT_422
Definition: postprocess.h:98
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:283
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
Definition: avfilter.h:123
const char * name
Pad name.
Definition: internal.h:59
static const AVFilterPad pp_outputs[]
Definition: vf_pp.c:176
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
static const AVOption pp_options[]
Definition: vf_pp.c:43
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1180
uint8_t
#define av_cold
Definition: attributes.h:82
static av_cold int uninit(AVCodecContext *avctx)
Definition: crystalhd.c:337
AVOptions.
static av_cold int pp_init(AVFilterContext *ctx)
Definition: vf_pp.c:50
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range...
Definition: pixfmt.h:101
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:75
#define FFALIGN(x, a)
Definition: macros.h:48
A filter pad used for either input or output.
Definition: internal.h:53
#define PP_QUALITY_MAX
Definition: postprocess.h:52
int width
width and height of the video frame
Definition: frame.h:232
int ff_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats)
A helper for query_formats() which sets all links to the same list of formats.
Definition: formats.c:568
#define AVERROR(e)
Definition: error.h:43
void pp_mode
Definition: postprocess.h:61
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:153
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
void * priv
private data for use by the filter
Definition: avfilter.h:320
simple assert() macros that are a bit more flexible than ISO C assert().
#define PP_FORMAT_411
Definition: postprocess.h:99
int mode_id
Definition: vf_pp.c:36
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:66
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:254
#define PP_PICT_TYPE_QP2
MPEG2 style QScale.
Definition: postprocess.h:103
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:74
void pp_free_mode(pp_mode *mode)
Definition: postprocess.c:845
char * subfilters
Definition: vf_pp.c:35
static const AVFilterPad outputs[]
Definition: af_afftfilt.c:386
static const AVFilterPad pp_inputs[]
Definition: vf_pp.c:166
AVFilter ff_vf_pp
Definition: vf_pp.c:184
external API header
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
static const AVFilterPad inputs[]
Definition: af_afftfilt.c:376
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:211
#define PP_FORMAT_440
Definition: postprocess.h:101
Describe the class of an AVClass context structure.
Definition: log.h:67
Filter definition.
Definition: avfilter.h:142
static int pp_filter_frame(AVFilterLink *inlink, AVFrame *inbuf)
Definition: vf_pp.c:121
const char * name
Filter name.
Definition: avfilter.h:146
#define PP_FORMAT_444
Definition: postprocess.h:100
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:317
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:262
static int flags
Definition: cpu.c:47
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:194
#define PP_CPU_CAPS_AUTO
Definition: postprocess.h:94
void * pp_ctx
Definition: vf_pp.c:38
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
Y , 8bpp.
Definition: pixfmt.h:70
static int query_formats(AVFilterContext *ctx)
Definition: aeval.c:244
#define FLAGS
Definition: vf_pp.c:42
#define PP_FORMAT_420
Definition: postprocess.h:97
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:76
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:69
static const SiprModeParam modes[MODE_COUNT]
Definition: sipr.c:69
static int pp_query_formats(AVFilterContext *ctx)
Definition: vf_pp.c:76
A list of supported formats for one end of a filter link.
Definition: formats.h:64
An instance of a filter.
Definition: avfilter.h:305
static int pp_process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition: vf_pp.c:64
int height
Definition: frame.h:232
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:100
internal API functions
pp_mode * modes[PP_QUALITY_MAX+1]
Definition: vf_pp.c:37
#define AVERROR_EXTERNAL
Generic error in an external library.
Definition: error.h:57
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
#define OFFSET(x)
Definition: vf_pp.c:41
static int pp_config_props(AVFilterLink *inlink)
Definition: vf_pp.c:95
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:574
AVFILTER_DEFINE_CLASS(pp)