81 const uint8_t *
src,
int src_linesize,
int src_linestep,
82 int x,
int y,
int max_x,
int max_y);
95 #define OFFSET(x) offsetof(RotContext, x)
96 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
97 #define TFLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
171 float sinx = sin(angle);
172 float cosx = cos(angle);
174 return FFMAX(0, inh * sinx) +
FFMAX(0, -inw * cosx) +
183 float sinx = sin(angle);
184 float cosx = cos(angle);
186 return FFMAX(0, -inh * cosx) +
FFMAX(0, -inw * sinx) +
190 static double (*
const func1[])(
void *, double) = {
203 #define FIXP2 (1<<20)
204 #define INT_PI 3294199
222 for (
i = 2;
i < 11;
i += 2) {
234 const uint8_t *
src,
int src_linesize,
int src_linestep,
235 int x,
int y,
int max_x,
int max_y)
237 int int_x =
av_clip(x>>16, 0, max_x);
238 int int_y =
av_clip(y>>16, 0, max_y);
239 int frac_x = x&0xFFFF;
240 int frac_y = y&0xFFFF;
242 int int_x1 =
FFMIN(int_x+1, max_x);
243 int int_y1 =
FFMIN(int_y+1, max_y);
245 for (
i = 0;
i < src_linestep;
i++) {
246 int s00 =
src[src_linestep * int_x +
i + src_linesize * int_y ];
247 int s01 =
src[src_linestep * int_x1 +
i + src_linesize * int_y ];
248 int s10 =
src[src_linestep * int_x +
i + src_linesize * int_y1];
249 int s11 =
src[src_linestep * int_x1 +
i + src_linesize * int_y1];
250 int s0 = (((1<<16) - frac_x)*s00 + frac_x*s01);
251 int s1 = (((1<<16) - frac_x)*s10 + frac_x*s11);
264 const uint8_t *
src,
int src_linesize,
int src_linestep,
265 int x,
int y,
int max_x,
int max_y)
267 int int_x =
av_clip(x>>16, 0, max_x);
268 int int_y =
av_clip(y>>16, 0, max_y);
269 int frac_x = x&0xFFFF;
270 int frac_y = y&0xFFFF;
272 int int_x1 =
FFMIN(int_x+1, max_x);
273 int int_y1 =
FFMIN(int_y+1, max_y);
275 for (
i = 0;
i < src_linestep;
i+=2) {
276 int s00 =
AV_RL16(&
src[src_linestep * int_x +
i + src_linesize * int_y ]);
277 int s01 =
AV_RL16(&
src[src_linestep * int_x1 +
i + src_linesize * int_y ]);
278 int s10 =
AV_RL16(&
src[src_linestep * int_x +
i + src_linesize * int_y1]);
279 int s11 =
AV_RL16(&
src[src_linestep * int_x1 +
i + src_linesize * int_y1]);
280 int s0 = (((1<<16) - frac_x)*s00 + frac_x*s01);
281 int s1 = (((1<<16) - frac_x)*s10 + frac_x*s11);
326 "Error occurred parsing angle expression '%s'\n", rot->
angle_expr_str);
330 #define SET_SIZE_EXPR(name, opt_name) do { \
331 ret = av_expr_parse_and_eval(&res, expr = rot->name##_expr_str, \
332 var_names, rot->var_values, \
333 func1_names, func1, NULL, NULL, rot, 0, ctx); \
334 if (ret < 0 || isnan(res) || isinf(res) || res <= 0) { \
335 av_log(ctx, AV_LOG_ERROR, \
336 "Error parsing or evaluating expression for option %s: " \
337 "invalid expression '%s' or non-positive or indefinite value %f\n", \
338 opt_name, expr, res); \
347 rot->
outw = res + 0.5;
350 rot->
outh = res + 0.5;
355 rot->
outw = res + 0.5;
359 outlink->
w = rot->
outw;
360 outlink->
h = rot->
outh;
372 *((uint16_t *)pout) = *((uint16_t *)pin);
379 *((uint32_t *)pout) = *((uint32_t *)pin);
382 memcpy(pout, pin, elem_size);
392 memcpy(dst,
src, elem_size *
len);
426 const int outw =
td->outw, outh =
td->outh;
427 const int inw =
td->inw, inh =
td->inh;
428 const int plane =
td->plane;
429 const int xi =
td->xi, yi =
td->yi;
430 const int c =
td->c,
s =
td->s;
431 const int start = (outh * job ) / nb_jobs;
432 const int end = (outh * (job+1)) / nb_jobs;
433 int xprime =
td->xprime + start *
s;
434 int yprime =
td->yprime + start *
c;
437 for (j = start; j < end; j++) {
438 x = xprime +
xi +
FIXP*(inw-1)/2;
439 y = yprime + yi +
FIXP*(inh-1)/2;
441 if (
fabs(rot->
angle - 0) < FLT_EPSILON && outw == inw && outh == inh) {
443 in->data[plane] + j *
in->linesize[plane],
445 }
else if (
fabs(rot->
angle -
M_PI/2) < FLT_EPSILON && outw == inh && outh == inw) {
449 }
else if (
fabs(rot->
angle -
M_PI) < FLT_EPSILON && outw == inw && outh == inh) {
451 in->data[plane] + (outh-j-1) *
in->linesize[plane],
453 }
else if (
fabs(rot->
angle - 3*
M_PI/2) < FLT_EPSILON && outw == inh && outh == inw) {
459 for (
i = 0;
i < outw;
i++) {
467 if (x1 >= -1 && x1 <= inw && y1 >= -1 && y1 <= inh) {
475 int x2 =
av_clip(x1, 0, inw-1);
476 int y2 =
av_clip(y1, 0, inh-1);
477 pin =
in->data[plane] + y2 *
in->linesize[plane] + x2 * rot->
draw.
pixelstep[plane];
492 *((uint32_t *)pout) = *((uint32_t *)pin);
516 int angle_int,
s,
c, plane;
533 angle_int = res *
FIXP * 16;
540 0, 0, outlink->
w, outlink->
h);
542 for (plane = 0; plane < rot->
nb_planes; plane++) {
543 int hsub = plane == 1 || plane == 2 ? rot->
hsub : 0;
544 int vsub = plane == 1 || plane == 2 ? rot->
vsub : 0;
550 .outh = outh, .outw = outw,
551 .xi = -(outw-1) *
c / 2, .yi = (outw-1) *
s / 2,
552 .xprime = -(outh-1) *
s / 2,
553 .yprime = -(outh-1) *
c / 2,
554 .plane = plane, .c =
c, .s =
s };
565 char *res,
int res_len,
int flags)
570 if (!strcmp(cmd,
"angle") || !strcmp(cmd,
"a")) {
576 "Error when parsing the expression '%s' for angle command\n", args);
615 .priv_class = &rotate_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.
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 xi(width, name, var, range_min, range_max, subs,...)
#define AV_CEIL_RSHIFT(a, b)
static __device__ float fabs(float a)
int ff_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags)
Init a draw context.
void ff_draw_color(FFDrawContext *draw, FFDrawColor *color, const uint8_t rgba[4])
Prepare a color.
void ff_fill_rectangle(FFDrawContext *draw, FFDrawColor *color, uint8_t *dst[], int dst_linesize[], int dst_x, int dst_y, int w, int h)
Fill a rectangle with an uniform color.
void av_expr_free(AVExpr *e)
Free a parsed expression previously created with av_expr_parse().
double av_expr_eval(AVExpr *e, const double *const_values, void *opaque)
Evaluate a previously parsed expression.
int av_expr_parse_and_eval(double *d, const char *s, const char *const *const_names, const double *const_values, const char *const *func1_names, double(*const *funcs1)(void *, double), const char *const *func2_names, double(*const *funcs2)(void *, double, double), void *opaque, int log_offset, void *log_ctx)
Parse and evaluate an expression.
int av_expr_parse(AVExpr **expr, const char *s, const char *const *const_names, const char *const *func1_names, double(*const *funcs1)(void *, double), const char *const *func2_names, double(*const *funcs2)(void *, double, double), int log_offset, void *log_ctx)
Parse an expression.
simple arithmetic expression evaluator
#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.
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
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_parse_color(uint8_t *rgba_color, const char *color_string, int slen, void *log_ctx)
Put the RGBA values that correspond to color_string in rgba_color.
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
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_YUVA444P9LE
planar YUV 4:4:4 36bpp, (1 Cr & Cb sample per 1x1 Y & A samples), little-endian
@ AV_PIX_FMT_BGR0
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
@ AV_PIX_FMT_YUVA444P10LE
planar YUV 4:4:4 40bpp, (1 Cr & Cb sample per 1x1 Y & A samples, little-endian)
@ AV_PIX_FMT_ARGB
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
@ AV_PIX_FMT_YUV420P9LE
planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
@ AV_PIX_FMT_BGRA
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
@ AV_PIX_FMT_YUVA420P10LE
planar YUV 4:2:0 25bpp, (1 Cr & Cb sample per 2x2 Y & A samples, little-endian)
@ 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_YUV420P10LE
planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
@ 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_YUVA420P9LE
planar YUV 4:2:0 22.5bpp, (1 Cr & Cb sample per 2x2 Y & A samples), little-endian
@ 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_YUV444P9LE
planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
@ AV_PIX_FMT_YUVA444P16LE
planar YUV 4:4:4 64bpp, (1 Cr & Cb sample per 1x1 Y & A samples, little-endian)
@ AV_PIX_FMT_YUVA420P16LE
planar YUV 4:2:0 40bpp, (1 Cr & Cb sample per 2x2 Y & A samples, little-endian)
@ AV_PIX_FMT_YUV420P12LE
planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
@ AV_PIX_FMT_RGB0
packed RGB 8:8:8, 32bpp, RGBXRGBX... X=unused/undefined
@ AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
@ AV_PIX_FMT_YUV444P16LE
planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
@ 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_YUV444P10LE
planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
@ AV_PIX_FMT_YUV420P16LE
planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
@ AV_PIX_FMT_YUV444P12LE
planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Describe the class of an AVClass context structure.
int depth
Number of bits in the component.
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.
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...
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
int pixelstep[MAX_PLANES]
double var_values[VAR_VARS_NB]
char * angle_expr_str
expression for the angle
uint8_t *(* interpolate_bilinear)(uint8_t *dst_color, const uint8_t *src, int src_linesize, int src_linestep, int x, int y, int max_x, int max_y)
uint8_t fillcolor[4]
color expressed either in YUVA or RGBA colorspace for the padding area
AVExpr * angle_expr
parsed expression for the angle
Used for passing data between threads.
#define SET_SIZE_EXPR(name, opt_name)
static int config_props(AVFilterLink *outlink)
static const AVFilterPad rotate_inputs[]
static double get_rotated_w(void *opaque, double angle)
static uint8_t * interpolate_bilinear8(uint8_t *dst_color, const uint8_t *src, int src_linesize, int src_linestep, int x, int y, int max_x, int max_y)
Interpolate the color in src at position x and y using bilinear interpolation.
static double get_rotated_h(void *opaque, double angle)
static double(*const func1[])(void *, double)
static int query_formats(AVFilterContext *ctx)
AVFILTER_DEFINE_CLASS(rotate)
static int64_t int_sin(int64_t a)
Compute the sin of a using integer values.
static uint8_t * interpolate_bilinear16(uint8_t *dst_color, const uint8_t *src, int src_linesize, int src_linestep, int x, int y, int max_x, int max_y)
Interpolate the color in src at position x and y using bilinear interpolation.
static const AVFilterPad rotate_outputs[]
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
static av_always_inline void simple_rotate(uint8_t *dst, const uint8_t *src, int src_linesize, int angle, int elem_size, int len)
static av_always_inline void simple_rotate_internal(uint8_t *dst, const uint8_t *src, int src_linesize, int angle, int elem_size, int len)
static const char *const var_names[]
static av_always_inline void copy_elem(uint8_t *pout, const uint8_t *pin, int elem_size)
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
static const AVOption rotate_options[]
static av_cold int init(AVFilterContext *ctx)
static av_cold void uninit(AVFilterContext *ctx)
static int filter_slice(AVFilterContext *ctx, void *arg, int job, int nb_jobs)
static const char *const func1_names[]
static void rotate(const float rot_quaternion[2][4], float *vec)
Rotate vector with given rotation quaternion.
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.