93 #define WEAK_HFILTER(name, type, ldiv) \
94 static void deblockh##name##_weak(uint8_t *dstp, ptrdiff_t dst_linesize, int block, \
95 int ath, int bth, int gth, int dth, int max) \
100 dst = (type *)dstp; \
101 dst_linesize /= ldiv; \
103 for (x = 0; x < block; x++) { \
104 int delta = dst[x] - dst[x - dst_linesize]; \
105 int A, B, C, D, a, b, c, d; \
107 if (FFABS(delta) >= ath || \
108 FFABS(dst[x - 1 * dst_linesize] - dst[x - 2 * dst_linesize]) >= bth || \
109 FFABS(dst[x + 0 * dst_linesize] - dst[x + 1 * dst_linesize]) >= gth) \
112 A = dst[x - 2 * dst_linesize]; \
113 B = dst[x - 1 * dst_linesize]; \
114 C = dst[x + 0 * dst_linesize]; \
115 D = dst[x + 1 * dst_linesize]; \
122 dst[x - 2 * dst_linesize] = av_clip(a, 0, max); \
123 dst[x - 1 * dst_linesize] = av_clip(b, 0, max); \
124 dst[x + 0 * dst_linesize] = av_clip(c, 0, max); \
125 dst[x + 1 * dst_linesize] = av_clip(d, 0, max); \
132 #define WEAK_VFILTER(name, type, ldiv) \
133 static void deblockv##name##_weak(uint8_t *dstp, ptrdiff_t dst_linesize, int block, \
134 int ath, int bth, int gth, int dth, int max) \
139 dst = (type *)dstp; \
140 dst_linesize /= ldiv; \
142 for (y = 0; y < block; y++) { \
143 int delta = dst[0] - dst[-1]; \
144 int A, B, C, D, a, b, c, d; \
146 if (FFABS(delta) >= ath || \
147 FFABS(dst[-1] - dst[-2]) >= bth || \
148 FFABS(dst[0] - dst[1]) >= gth) \
161 dst[-2] = av_clip(a, 0, max); \
162 dst[-1] = av_clip(b, 0, max); \
163 dst[+0] = av_clip(c, 0, max); \
164 dst[+1] = av_clip(d, 0, max); \
166 dst += dst_linesize; \
173 #define STRONG_HFILTER(name, type, ldiv) \
174 static void deblockh##name##_strong(uint8_t *dstp, ptrdiff_t dst_linesize, int block,\
175 int ath, int bth, int gth, int dth, int max) \
180 dst = (type *)dstp; \
181 dst_linesize /= ldiv; \
183 for (x = 0; x < block; x++) { \
184 int A, B, C, D, E, F, a, b, c, d, e, f; \
185 int delta = dst[x] - dst[x - dst_linesize]; \
187 if (FFABS(delta) >= ath || \
188 FFABS(dst[x - 1 * dst_linesize] - dst[x - 2 * dst_linesize]) >= bth || \
189 FFABS(dst[x + 1 * dst_linesize] - dst[x + 2 * dst_linesize]) >= gth || \
190 FFABS(dst[x + 0 * dst_linesize] - dst[x + 1 * dst_linesize]) >= dth) \
193 A = dst[x - 3 * dst_linesize]; \
194 B = dst[x - 2 * dst_linesize]; \
195 C = dst[x - 1 * dst_linesize]; \
196 D = dst[x + 0 * dst_linesize]; \
197 E = dst[x + 1 * dst_linesize]; \
198 F = dst[x + 2 * dst_linesize]; \
207 dst[x - 3 * dst_linesize] = av_clip(a, 0, max); \
208 dst[x - 2 * dst_linesize] = av_clip(b, 0, max); \
209 dst[x - 1 * dst_linesize] = av_clip(c, 0, max); \
210 dst[x + 0 * dst_linesize] = av_clip(d, 0, max); \
211 dst[x + 1 * dst_linesize] = av_clip(e, 0, max); \
212 dst[x + 2 * dst_linesize] = av_clip(f, 0, max); \
219 #define STRONG_VFILTER(name, type, ldiv) \
220 static void deblockv##name##_strong(uint8_t *dstp, ptrdiff_t dst_linesize, int block,\
221 int ath, int bth, int gth, int dth, int max) \
226 dst = (type *)dstp; \
227 dst_linesize /= ldiv; \
229 for (y = 0; y < block; y++) { \
230 int A, B, C, D, E, F, a, b, c, d, e, f; \
231 int delta = dst[0] - dst[-1]; \
233 if (FFABS(delta) >= ath || \
234 FFABS(dst[-1] - dst[-2]) >= bth || \
235 FFABS(dst[+1] - dst[+2]) >= gth || \
236 FFABS(dst[+0] - dst[+1]) >= dth) \
253 dst[-3] = av_clip(a, 0, max); \
254 dst[-2] = av_clip(b, 0, max); \
255 dst[-1] = av_clip(c, 0, max); \
256 dst[+0] = av_clip(d, 0, max); \
257 dst[+1] = av_clip(e, 0, max); \
258 dst[+2] = av_clip(f, 0, max); \
260 dst += dst_linesize; \
277 s->depth =
s->desc->comp[0].depth;
278 s->bpc = (
s->depth + 7) / 8;
279 s->max = (1 <<
s->depth) - 1;
280 s->ath =
s->alpha *
s->max;
281 s->bth =
s->beta *
s->max;
282 s->gth =
s->gamma *
s->max;
283 s->dth =
s->delta *
s->max;
285 if (
s->depth <= 8 &&
s->filter ==
WEAK) {
286 s->deblockh = deblockh8_weak;
287 s->deblockv = deblockv8_weak;
288 }
else if (
s->depth > 8 &&
s->filter ==
WEAK) {
289 s->deblockh = deblockh16_weak;
290 s->deblockv = deblockv16_weak;
292 if (
s->depth <= 8 &&
s->filter ==
STRONG) {
293 s->deblockh = deblockh8_strong;
294 s->deblockv = deblockv8_strong;
295 }
else if (
s->depth > 8 &&
s->filter ==
STRONG) {
296 s->deblockh = deblockh16_strong;
297 s->deblockv = deblockv16_strong;
300 s->planewidth[1] =
s->planewidth[2] =
AV_CEIL_RSHIFT(inlink->
w,
s->desc->log2_chroma_w);
301 s->planewidth[0] =
s->planewidth[3] = inlink->
w;
303 s->planeheight[1] =
s->planeheight[2] =
AV_CEIL_RSHIFT(inlink->
h,
s->desc->log2_chroma_h);
304 s->planeheight[0] =
s->planeheight[3] = inlink->
h;
314 const int block =
s->block;
329 for (plane = 0; plane <
s->nb_planes; plane++) {
330 const int width =
s->planewidth[plane];
331 const int height =
s->planeheight[plane];
337 src,
in->linesize[plane],
340 if (!((1 << plane) &
s->planes))
344 s->deblockv(dst + x *
s->bpc,
out->linesize[plane],
348 dst +=
out->linesize[plane] *
block;
350 s->deblockh(dst,
out->linesize[plane],
352 s->ath,
s->bth,
s->gth,
s->dth,
s->max);
355 s->deblockh(dst + x *
s->bpc,
out->linesize[plane],
357 s->ath,
s->bth,
s->gth,
s->dth,
s->max);
358 s->deblockv(dst + x *
s->bpc,
out->linesize[plane],
360 s->ath,
s->bth,
s->gth,
s->dth,
s->max);
371 char *res,
int res_len,
int flags)
382 #define OFFSET(x) offsetof(DeblockContext, x)
383 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
422 .priv_class = &deblock_class,
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.
Main libavfilter public API header.
#define flags(name, subs,...)
static av_always_inline void filter(int16_t *output, ptrdiff_t out_stride, const int16_t *low, ptrdiff_t low_stride, const int16_t *high, ptrdiff_t high_stride, int len, int clip)
#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 AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
int av_frame_is_writable(AVFrame *frame)
Check if the frame data is writable.
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.
void av_image_copy_plane(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int bytewidth, int height)
Copy image plane from src to dst.
static const int16_t alpha[]
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static const struct @322 planes[]
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
#define AV_PIX_FMT_GBRAP12
#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_GBRAP16
#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_GBRP10
#define AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_GRAY12
#define AV_PIX_FMT_GBRP12
#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_GRAY8
Y , 8bpp.
@ 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_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
@ 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_GBRAP
planar GBRA 4:4:4:4 32bpp
@ 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_GBRP
planar GBR 4:4:4 24bpp
@ 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_GRAY10
#define AV_PIX_FMT_GRAY14
#define AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P10
typedef void(RENAME(mix_any_func_type))
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
A filter pad used for either input or output.
const char * name
Pad name.
const char * name
Filter name.
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...
void(* deblockv)(uint8_t *dst, ptrdiff_t dst_linesize, int block, int ath, int bth, int gth, int dth, int max)
void(* deblockh)(uint8_t *dst, ptrdiff_t dst_linesize, int block, int ath, int bth, int gth, int dth, int max)
const AVPixFmtDescriptor * desc
#define WEAK_VFILTER(name, type, ldiv)
#define WEAK_HFILTER(name, type, ldiv)
static const AVOption deblock_options[]
#define STRONG_HFILTER(name, type, ldiv)
static int query_formats(AVFilterContext *ctx)
#define STRONG_VFILTER(name, type, ldiv)
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
AVFILTER_DEFINE_CLASS(deblock)
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
static int config_output(AVFilterLink *outlink)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.