63 uint16_t
lut[4][256 * 256];
83 #define OFFSET(x) offsetof(LutContext, x) 84 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM 106 for (i = 0; i < 4; i++) {
113 #define YUV_FORMATS \ 114 AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P, \ 115 AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P, \ 116 AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P, \ 117 AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P, \ 118 AV_PIX_FMT_YUVJ440P, \ 119 AV_PIX_FMT_YUV444P9LE, AV_PIX_FMT_YUV422P9LE, AV_PIX_FMT_YUV420P9LE, \ 120 AV_PIX_FMT_YUV444P10LE, AV_PIX_FMT_YUV422P10LE, AV_PIX_FMT_YUV420P10LE, AV_PIX_FMT_YUV440P10LE, \ 121 AV_PIX_FMT_YUV444P12LE, AV_PIX_FMT_YUV422P12LE, AV_PIX_FMT_YUV420P12LE, AV_PIX_FMT_YUV440P12LE, \ 122 AV_PIX_FMT_YUV444P14LE, AV_PIX_FMT_YUV422P14LE, AV_PIX_FMT_YUV420P14LE, \ 123 AV_PIX_FMT_YUV444P16LE, AV_PIX_FMT_YUV422P16LE, AV_PIX_FMT_YUV420P16LE, \ 124 AV_PIX_FMT_YUVA444P16LE, AV_PIX_FMT_YUVA422P16LE, AV_PIX_FMT_YUVA420P16LE 126 #define RGB_FORMATS \ 127 AV_PIX_FMT_ARGB, AV_PIX_FMT_RGBA, \ 128 AV_PIX_FMT_ABGR, AV_PIX_FMT_BGRA, \ 129 AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, \ 130 AV_PIX_FMT_RGB48LE, AV_PIX_FMT_RGBA64LE, \ 131 AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, \ 132 AV_PIX_FMT_GBRP9LE, AV_PIX_FMT_GBRP10LE, \ 133 AV_PIX_FMT_GBRAP10LE, \ 134 AV_PIX_FMT_GBRP12LE, AV_PIX_FMT_GBRP14LE, \ 135 AV_PIX_FMT_GBRP16LE, AV_PIX_FMT_GBRAP12LE, \ 138 #define GRAY_FORMATS \ 139 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9LE, AV_PIX_FMT_GRAY10LE, \ 140 AV_PIX_FMT_GRAY12LE, AV_PIX_FMT_GRAY14LE, AV_PIX_FMT_GRAY16LE 168 return av_clip(val, minval, maxval);
182 return pow((val-minval)/(maxval-minval), gamma) * (maxval-minval)+minval;
194 double level = (val - minval) / (maxval - minval);
195 level = level < 0.018 ? 4.5 *
level 196 : 1.099 * pow(level, 1.0 / gamma) - 0.099;
197 return level * (maxval - minval) + minval;
200 static double (*
const funcs1[])(
void *, double) = {
266 min[
Y] = 16 * (1 << (desc->
comp[0].
depth - 8));
267 min[
U] = 16 * (1 << (desc->
comp[1].
depth - 8));
268 min[
V] = 16 * (1 << (desc->
comp[2].
depth - 8));
270 max[
Y] = 235 * (1 << (desc->
comp[0].
depth - 8));
271 max[
U] = 240 * (1 << (desc->
comp[1].
depth - 8));
272 max[
V] = 240 * (1 << (desc->
comp[2].
depth - 8));
277 min[0] = min[1] = min[2] = min[3] = 0;
278 max[0] = max[1] = max[2] = max[3] = 65535;
281 min[0] = min[1] = min[2] = min[3] = 0;
282 max[0] = max[1] = max[2] = max[3] = 255 * (1 << (desc->
comp[0].
depth - 8));
309 "Error when parsing the expression '%s' for the component %d and color %d.\n",
323 min[color], max[color]);
328 "Error when evaluating the expression '%s' for the value %d for the component %d.\n",
348 #define LOAD_PACKED_COMMON\ 349 LutContext *s = ctx->priv;\ 350 const struct thread_data *td = arg;\ 353 const int w = td->w;\ 354 const int h = td->h;\ 355 AVFrame *in = td->in;\ 356 AVFrame *out = td->out;\ 357 const uint16_t (*tab)[256*256] = (const uint16_t (*)[256*256])s->lut;\ 358 const int step = s->step;\ 360 const int slice_start = (h * jobnr ) / nb_jobs;\ 361 const int slice_end = (h * (jobnr+1)) / nb_jobs;\ 368 uint16_t *inrow, *outrow, *inrow0, *outrow0;
369 const int in_linesize =
in->linesize[0] / 2;
370 const int out_linesize =
out->linesize[0] / 2;
371 inrow0 = (uint16_t *)
in ->
data[0];
372 outrow0 = (uint16_t *)
out->data[0];
375 inrow = inrow0 +
i * in_linesize;
376 outrow = outrow0 +
i * out_linesize;
377 for (j = 0; j <
w; j++) {
386 case 4: outrow[3] =
tab[3][inrow[3]];
387 case 3: outrow[2] =
tab[2][inrow[2]];
388 case 2: outrow[1] =
tab[1][inrow[1]];
389 default: outrow[0] =
tab[0][inrow[0]];
405 uint8_t *inrow, *outrow, *inrow0, *outrow0;
406 const int in_linesize =
in->linesize[0];
407 const int out_linesize =
out->linesize[0];
408 inrow0 =
in ->data[0];
409 outrow0 =
out->data[0];
412 inrow = inrow0 +
i * in_linesize;
413 outrow = outrow0 +
i * out_linesize;
414 for (j = 0; j <
w; j++) {
416 case 4: outrow[3] =
tab[3][inrow[3]];
417 case 3: outrow[2] =
tab[2][inrow[2]];
418 case 2: outrow[1] =
tab[1][inrow[1]];
419 default: outrow[0] =
tab[0][inrow[0]];
429 #define LOAD_PLANAR_COMMON\ 430 LutContext *s = ctx->priv;\ 431 const struct thread_data *td = arg;\ 433 AVFrame *in = td->in;\ 434 AVFrame *out = td->out;\ 436 #define PLANAR_COMMON\ 437 int vsub = plane == 1 || plane == 2 ? s->vsub : 0;\ 438 int hsub = plane == 1 || plane == 2 ? s->hsub : 0;\ 439 int h = AV_CEIL_RSHIFT(td->h, vsub);\ 440 int w = AV_CEIL_RSHIFT(td->w, hsub);\ 441 const uint16_t *tab = s->lut[plane];\ 443 const int slice_start = (h * jobnr ) / nb_jobs;\ 444 const int slice_end = (h * (jobnr+1)) / nb_jobs;\ 451 uint16_t *inrow, *outrow;
456 const int in_linesize =
in->linesize[
plane] / 2;
457 const int out_linesize =
out->linesize[
plane] / 2;
459 inrow = (uint16_t *)
in ->
data[
plane] + slice_start * in_linesize;
460 outrow = (uint16_t *)
out->data[
plane] + slice_start * out_linesize;
463 for (j = 0; j <
w; j++) {
467 outrow[j] =
tab[inrow[j]];
470 inrow += in_linesize;
471 outrow += out_linesize;
488 const int in_linesize =
in->linesize[
plane];
489 const int out_linesize =
out->linesize[
plane];
491 inrow =
in ->data[
plane] + slice_start * in_linesize;
492 outrow =
out->data[
plane] + slice_start * out_linesize;
495 for (j = 0; j <
w; j++)
496 outrow[j] =
tab[inrow[j]];
497 inrow += in_linesize;
498 outrow += out_linesize;
505 #define PACKED_THREAD_DATA\ 506 struct thread_data td = {\ 513 #define PLANAR_THREAD_DATA\ 514 struct thread_data td = {\ 584 #define DEFINE_LUT_FILTER(name_, description_) \ 585 AVFilter ff_vf_##name_ = { \ 587 .description = NULL_IF_CONFIG_SMALL(description_), \ 588 .priv_size = sizeof(LutContext), \ 589 .priv_class = &name_ ## _class, \ 590 .init = name_##_init, \ 592 .query_formats = query_formats, \ 594 .outputs = outputs, \ 595 .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS, \ 598 #if CONFIG_LUT_FILTER 600 #define lut_options options 611 #if CONFIG_LUTYUV_FILTER 613 #define lutyuv_options options 625 DEFINE_LUT_FILTER(lutyuv,
"Compute and apply a lookup table to the YUV input video.");
628 #if CONFIG_LUTRGB_FILTER 630 #define lutrgb_options options 642 DEFINE_LUT_FILTER(lutrgb,
"Compute and apply a lookup table to the RGB input video.");
645 #if CONFIG_NEGATE_FILTER 647 static const AVOption negate_options[] = {
661 for (i = 0; i < 4; i++) {
const char const char void * val
planar YUV 4:4:0,20bpp, (1 Cr & Cb sample per 1x2 Y samples), little-endian
planar YUV 4:2:0,21bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
This structure describes decoded (raw) audio or video data.
planar YUV 4:2:2,28bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Main libavfilter public API header.
int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
Return the number of bits per pixel used by the pixel format described by pixdesc.
int h
agreed upon image height
static int lut_planar_16bits(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
static const AVOption options[]
planar YUV 4:4:4 40bpp, (1 Cr & Cb sample per 1x1 Y & A samples, little-endian)
static const char *const funcs1_names[]
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.
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
static enum AVPixelFormat yuv_pix_fmts[]
static double compute_gammaval709(void *opaque, double gamma)
Compute ITU Rec.709 gamma correction of value val.
Macro definitions for various function/variable attributes.
const char * name
Pad name.
planar YUV 4:2:0 22.5bpp, (1 Cr & Cb sample per 2x2 Y & A samples), little-endian ...
static const char *const var_names[]
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as lit...
static const uint32_t color[16+AV_CLASS_CATEGORY_NB]
planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
static double(*const funcs1[])(void *, double)
planar YUV 4:2:0 40bpp, (1 Cr & Cb sample per 2x2 Y & A samples, little-endian)
#define PACKED_THREAD_DATA
#define LOAD_PACKED_COMMON
A filter pad used for either input or output.
planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
A link between two filters.
static enum AVPixelFormat all_pix_fmts[]
planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
#define i(width, name, range_min, range_max)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
static int lut_planar_8bits(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
void * priv
private data for use by the filter
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
uint16_t lut[4][256 *256]
lookup table for each component
planar YUV 4:4:4 36bpp, (1 Cr & Cb sample per 1x1 Y & A samples), little-endian
static int lut_packed_8bits(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
int w
agreed upon image width
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
double var_values[VAR_VARS_NB]
uint8_t nb_components
The number of components each pixel has, (1-4)
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
#define LOAD_PLANAR_COMMON
planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
#define PLANAR_THREAD_DATA
planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
int format
agreed upon media format
#define FF_ARRAY_ELEMS(a)
int ff_fill_rgba_map(uint8_t *rgba_map, enum AVPixelFormat pix_fmt)
static void comp(unsigned char *dst, ptrdiff_t dst_stride, unsigned char *src, ptrdiff_t src_stride, int add)
char * av_strdup(const char *s)
Duplicate a string.
void av_expr_free(AVExpr *e)
Free a parsed expression previously created with av_expr_parse().
int av_frame_is_writable(AVFrame *frame)
Check if the frame data is writable.
static const AVFilterPad outputs[]
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
planar YUV 4:4:0,24bpp, (1 Cr & Cb sample per 1x2 Y samples), little-endian
static int query_formats(AVFilterContext *ctx)
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)\", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
planar YUV 4:2:2 48bpp, (1 Cr & Cb sample per 2x1 Y & A samples, little-endian)
Describe the class of an AVClass context structure.
planar YUV 4:4:4 64bpp, (1 Cr & Cb sample per 1x1 Y & A samples, little-endian)
AVFilterLink ** outputs
array of pointers to output links
static enum AVPixelFormat pix_fmts[]
planar YUV 4:2:2 30bpp, (1 Cr & Cb sample per 2x1 Y & A samples, little-endian)
AVFilterInternal * internal
An opaque struct for libavfilter internal use.
#define DEFINE_LUT_FILTER(name_, description_)
planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
static enum AVPixelFormat rgb_pix_fmts[]
static int lut_packed_16bits(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static const AVFilterPad inputs[]
static int config_props(AVFilterLink *inlink)
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
static av_cold void uninit(AVFilterContext *ctx)
common internal and external API header
static double clip(void *opaque, double val)
Clip value val in the minval - maxval range.
planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
avfilter_execute_func * execute
planar YUV 4:2:0 25bpp, (1 Cr & Cb sample per 2x2 Y & A samples, little-endian)
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
planar YUV 4:4:4,42bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
double av_expr_eval(AVExpr *e, const double *const_values, void *opaque)
Evaluate a previously parsed expression.
AVFilterContext * dst
dest filter
#define AVFILTER_DEFINE_CLASS(fname)
static const struct twinvq_data tab
static double compute_gammaval(void *opaque, double gamma)
Compute gamma correction for value val, assuming the minval-maxval range, val is clipped to a value c...
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
planar YUV 4:2:2 27bpp, (1 Cr & Cb sample per 2x1 Y & A samples), little-endian
int depth
Number of bits in the component.
AVPixelFormat
Pixel format.
#define AV_PIX_FMT_FLAG_PLANAR
At least one pixel component is not in the first data plane.
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is st...
simple arithmetic expression evaluator