82 #define FILTER_FUNC(name, type) \
83 static int filter_slice##name(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \
85 ChromaNRContext *s = ctx->priv; \
87 AVFrame *out = s->out; \
88 const int in_ylinesize = in->linesize[0]; \
89 const int in_ulinesize = in->linesize[1]; \
90 const int in_vlinesize = in->linesize[2]; \
91 const int out_ulinesize = out->linesize[1]; \
92 const int out_vlinesize = out->linesize[2]; \
93 const int chroma_w = s->chroma_w; \
94 const int chroma_h = s->chroma_h; \
95 const int stepw = s->stepw; \
96 const int steph = s->steph; \
97 const int sizew = s->sizew; \
98 const int sizeh = s->sizeh; \
99 const int thres = s->thres; \
100 const int thres_y = s->thres_y; \
101 const int thres_u = s->thres_u; \
102 const int thres_v = s->thres_v; \
103 const int h = s->planeheight[1]; \
104 const int w = s->planewidth[1]; \
105 const int slice_start = (h * jobnr) / nb_jobs; \
106 const int slice_end = (h * (jobnr+1)) / nb_jobs; \
107 type *out_uptr = (type *)(out->data[1] + slice_start * out_ulinesize); \
108 type *out_vptr = (type *)(out->data[2] + slice_start * out_vlinesize); \
111 const int h = s->planeheight[0]; \
112 const int slice_start = (h * jobnr) / nb_jobs; \
113 const int slice_end = (h * (jobnr+1)) / nb_jobs; \
115 av_image_copy_plane(out->data[0] + slice_start * out->linesize[0], \
117 in->data[0] + slice_start * in->linesize[0], \
119 s->linesize[0], slice_end - slice_start); \
121 if (s->nb_planes == 4) { \
122 av_image_copy_plane(out->data[3] + slice_start * out->linesize[3], \
124 in->data[3] + slice_start * in->linesize[3], \
126 s->linesize[3], slice_end - slice_start); \
130 for (int y = slice_start; y < slice_end; y++) { \
131 const type *in_yptr = (const type *)(in->data[0] + y * chroma_h * in_ylinesize); \
132 const type *in_uptr = (const type *)(in->data[1] + y * in_ulinesize); \
133 const type *in_vptr = (const type *)(in->data[2] + y * in_vlinesize); \
135 for (int x = 0; x < w; x++) { \
136 const int cy = in_yptr[x * chroma_w]; \
137 const int cu = in_uptr[x]; \
138 const int cv = in_vptr[x]; \
143 for (int yy = FFMAX(0, y - sizeh); yy < FFMIN(y + sizeh, h); yy += steph) { \
144 const type *in_yptr = (const type *)(in->data[0] + yy * chroma_h * in_ylinesize); \
145 const type *in_uptr = (const type *)(in->data[1] + yy * in_ulinesize); \
146 const type *in_vptr = (const type *)(in->data[2] + yy * in_vlinesize); \
148 for (int xx = FFMAX(0, x - sizew); xx < FFMIN(x + sizew, w); xx += stepw) { \
149 const int Y = in_yptr[xx * chroma_w]; \
150 const int U = in_uptr[xx]; \
151 const int V = in_vptr[xx]; \
153 if (FFABS(cu - U) + FFABS(cv - V) + FFABS(cy - Y) < thres && \
154 FFABS(cu - U) < thres_u && FFABS(cv - V) < thres_v && \
155 FFABS(cy - Y) < thres_y && \
156 xx != x && yy != y) { \
164 out_uptr[x] = su / cn; \
165 out_vptr[x] = sv / cn; \
168 out_uptr += out_ulinesize / sizeof(type); \
169 out_vptr += out_vlinesize / sizeof(type); \
185 s->thres =
s->threshold * (1 << (
s->depth - 8));
186 s->thres_y =
s->threshold_y * (1 << (
s->depth - 8));
187 s->thres_u =
s->threshold_u * (1 << (
s->depth - 8));
188 s->thres_v =
s->threshold_v * (1 << (
s->depth - 8));
214 s->nb_planes =
desc->nb_components;
215 s->depth =
desc->comp[0].depth;
216 s->filter_slice =
s->depth <= 8 ? filter_slice8 : filter_slice16;
217 s->chroma_w = 1 <<
desc->log2_chroma_w;
218 s->chroma_h = 1 <<
desc->log2_chroma_h;
220 s->planeheight[0] =
s->planeheight[3] = inlink->
h;
222 s->planewidth[0] =
s->planewidth[3] = inlink->
w;
230 #define OFFSET(x) offsetof(ChromaNRContext, x)
231 #define VF AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM
269 .priv_class = &chromanr_class,
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options.
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Main libavfilter public API header.
#define flags(name, subs,...)
#define AV_CEIL_RSHIFT(a, b)
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
int av_image_fill_linesizes(int linesizes[4], enum AVPixelFormat pix_fmt, int width)
Fill plane linesizes for an image with pixel format pix_fmt and width width.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static enum AVPixelFormat pix_fmts[]
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
#define AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA422P9
#define AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUV420P14
AVPixelFormat
Pixel format.
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
@ AV_PIX_FMT_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
@ AV_PIX_FMT_YUVJ411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
#define AV_PIX_FMT_YUVA422P12
#define AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV440P10
#define AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P10
Describe the class of an AVClass context structure.
A link between two filters.
int w
agreed upon image width
int h
agreed upon image height
AVFilterContext * dst
dest filter
int format
agreed upon media format
A filter pad used for either input or output.
const char * name
Pad name.
const char * name
Filter name.
AVFormatInternal * internal
An opaque field for libavformat internal usage.
This structure describes decoded (raw) audio or video data.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
int(* filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static const AVOption chromanr_options[]
AVFILTER_DEFINE_CLASS(chromanr)
static int query_formats(AVFilterContext *ctx)
static int config_input(AVFilterLink *inlink)
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
#define FILTER_FUNC(name, type)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.