52 #define OFFSET(x) offsetof(DisplaceContext, x)
53 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
90 for (plane = 0; plane <
s->nb_planes; plane++) {
91 const int h =
s->height[plane];
92 const int w =
s->width[plane];
93 const int dlinesize =
out->linesize[plane];
94 const int slinesize =
in->linesize[plane];
95 const int xlinesize = xpic->
linesize[plane];
96 const int ylinesize = ypic->
linesize[plane];
103 for (y = 0; y <
h; y++) {
106 for (x = 0; x <
w; x++) {
107 int Y = y + ysrc[x] - 128;
108 int X = x + xsrc[x] - 128;
110 if (Y < 0 || Y >=
h || X < 0 || X >=
w)
113 dst[x] =
src[
Y * slinesize +
X];
117 for (x = 0; x <
w; x++) {
118 int Y =
av_clip(y + ysrc[x] - 128, 0,
h - 1);
119 int X =
av_clip(x + xsrc[x] - 128, 0,
w - 1);
120 dst[x] =
src[
Y * slinesize +
X];
124 for (x = 0; x <
w; x++) {
125 int Y = (y + ysrc[x] - 128) %
h;
126 int X = (x + xsrc[x] - 128) %
w;
132 dst[x] =
src[
Y * slinesize +
X];
136 for (x = 0; x <
w; x++) {
137 int Y = y + ysrc[x] - 128;
138 int X = x + xsrc[x] - 128;
148 dst[x] =
src[
Y * slinesize +
X];
164 const int step =
s->step;
165 const int h =
s->height[0];
166 const int w =
s->width[0];
167 const int dlinesize =
out->linesize[0];
168 const int slinesize =
in->linesize[0];
169 const int xlinesize = xpic->
linesize[0];
170 const int ylinesize = ypic->
linesize[0];
178 for (y = 0; y <
h; y++) {
181 for (x = 0; x <
w; x++) {
182 for (
c = 0;
c <
s->nb_components;
c++) {
183 int Y = y + (ysrc[x *
step +
c] - 128);
184 int X = x + (xsrc[x *
step +
c] - 128);
186 if (Y < 0 || Y >=
h || X < 0 || X >=
w)
194 for (x = 0; x <
w; x++) {
195 for (
c = 0;
c <
s->nb_components;
c++) {
204 for (x = 0; x <
w; x++) {
205 for (
c = 0;
c <
s->nb_components;
c++) {
206 int Y = (y + (ysrc[x *
step +
c] - 128)) %
h;
207 int X = (x + (xsrc[x *
step +
c] - 128)) %
w;
218 for (x = 0; x <
w; x++) {
219 for (
c = 0;
c <
s->nb_components;
c++) {
220 int Y = y + ysrc[x *
step +
c] - 128;
221 int X = x + xsrc[x *
step +
c] - 128;
256 if (
ctx->is_disabled) {
266 s->displace(
s,
in, xpic, ypic,
out);
281 s->nb_components =
desc->nb_components;
283 if (
s->nb_planes > 1 ||
s->nb_components == 1)
289 s->blank[1] =
s->blank[2] = 128;
295 vsub =
desc->log2_chroma_h;
297 s->height[0] =
s->height[3] = inlink->
h;
299 s->width[0] =
s->width[3] = inlink->
w;
319 if (srclink->
w != xlink->
w ||
320 srclink->
h != xlink->
h ||
321 srclink->
w != ylink->
w ||
322 srclink->
h != ylink->
h) {
324 "(size %dx%d) do not match the corresponding "
325 "second input link %s parameters (%dx%d) "
326 "and/or third input link %s parameters (%dx%d)\n",
327 ctx->input_pads[0].name, srclink->
w, srclink->
h,
328 ctx->input_pads[1].name, xlink->
w, xlink->
h,
329 ctx->input_pads[2].name, ylink->
w, ylink->
h);
333 outlink->
w = srclink->
w;
334 outlink->
h = srclink->
h;
412 .priv_class = &displace_class,
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
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.
Main libavfilter public API header.
#define flags(name, subs,...)
#define fs(width, name, subs,...)
#define AV_CEIL_RSHIFT(a, b)
int ff_framesync_configure(FFFrameSync *fs)
Configure a frame sync structure.
int ff_framesync_activate(FFFrameSync *fs)
Examine the frames in the filter's input and try to produce output.
int ff_framesync_get_frame(FFFrameSync *fs, unsigned in, AVFrame **rframe, unsigned get)
Get the current frame in an input.
void ff_framesync_uninit(FFFrameSync *fs)
Free all memory currently allocated.
int ff_framesync_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in)
Initialize a frame sync structure.
@ EXT_STOP
Completely stop all streams with this one.
@ EXT_NULL
Ignore this stream and continue processing the other ones.
@ EXT_INFINITY
Extend the frame to infinity.
#define AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will have its filter_frame() c...
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
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[]
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
int av_get_padded_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
Return the number of bits per pixel for the pixel format described by pixdesc, including any padding ...
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
#define AV_PIX_FMT_FLAG_RGB
The pixel format contains RGB-like data (as opposed to YUV/grayscale).
AVPixelFormat
Pixel format.
@ AV_PIX_FMT_RGB24
packed RGB 8:8:8, 24bpp, RGBRGB...
@ 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_BGR0
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
@ AV_PIX_FMT_ARGB
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
@ AV_PIX_FMT_BGRA
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
@ AV_PIX_FMT_ABGR
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
@ 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_0BGR
packed BGR 8:8:8, 32bpp, XBGRXBGR... X=unused/undefined
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
@ AV_PIX_FMT_RGBA
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
@ 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_RGB0
packed RGB 8:8:8, 32bpp, RGBXRGBX... X=unused/undefined
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
@ AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
@ AV_PIX_FMT_0RGB
packed RGB 8:8:8, 32bpp, XRGBXRGB... X=unused/undefined
@ 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...
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 * src
source filter
AVRational time_base
Define the time base used by the PTS of the frames/samples which will pass through this link.
AVRational sample_aspect_ratio
agreed upon sample aspect ratio
AVRational frame_rate
Frame rate of the stream on the link, or 1/0 if unknown or variable; if left to 0/0,...
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.
This structure describes decoded (raw) audio or video data.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
void(* displace)(struct DisplaceContext *s, const AVFrame *in, const AVFrame *xpic, const AVFrame *ypic, AVFrame *out)
static void displace_planar(DisplaceContext *s, const AVFrame *in, const AVFrame *xpic, const AVFrame *ypic, AVFrame *out)
static const AVFilterPad displace_inputs[]
AVFILTER_DEFINE_CLASS(displace)
static int query_formats(AVFilterContext *ctx)
static int config_input(AVFilterLink *inlink)
static const AVFilterPad displace_outputs[]
static void displace_packed(DisplaceContext *s, const AVFrame *in, const AVFrame *xpic, const AVFrame *ypic, AVFrame *out)
static int activate(AVFilterContext *ctx)
static av_cold void uninit(AVFilterContext *ctx)
static int config_output(AVFilterLink *outlink)
static const AVOption displace_options[]
static int process_frame(FFFrameSync *fs)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.