96 s->param = (1.0f -
s->param) /
s->param;
112 float a = 0.15f,
b = 0.50f,
c = 0.10f, d = 0.20f, e = 0.02f,
f = 0.30f;
113 return (
in * (
in *
a +
b *
c) + d * e) / (
in * (
in *
a +
b) + d *
f) - e /
f;
116 static float mobius(
float in,
float j,
double peak)
123 a = -j * j * (peak - 1.0f) / (j * j - 2.0f * j + peak);
124 b = (j * j - 2.0f * j * peak + peak) /
FFMAX(peak - 1.0f, 1e-6);
126 return (
b *
b + 2.0f *
b * j + j * j) / (
b -
a) * (
in +
a) / (
in +
b);
129 #define MIX(x,y,a) (x) * (1 - (a)) + (y) * (a)
133 const float *r_in = (
const float *)(
in->data[0] + x *
desc->comp[0].step + y *
in->linesize[0]);
134 const float *b_in = (
const float *)(
in->data[1] + x *
desc->comp[1].step + y *
in->linesize[1]);
135 const float *g_in = (
const float *)(
in->data[2] + x *
desc->comp[2].step + y *
in->linesize[2]);
136 float *r_out = (
float *)(
out->data[0] + x *
desc->comp[0].step + y *
out->linesize[0]);
137 float *b_out = (
float *)(
out->data[1] + x *
desc->comp[1].step + y *
out->linesize[1]);
138 float *g_out = (
float *)(
out->data[2] + x *
desc->comp[2].step + y *
out->linesize[2]);
148 float luma =
s->coeffs->cr * *r_in +
s->coeffs->cg * *g_in +
s->coeffs->cb * *b_in;
149 float overbright =
FFMAX(luma -
s->desat, 1e-6) /
FFMAX(luma, 1e-6);
150 *r_out =
MIX(*r_in, luma, overbright);
151 *g_out =
MIX(*g_in, luma, overbright);
152 *b_out =
MIX(*b_in, luma, overbright);
167 sig = sig *
s->param / peak;
170 sig = sig > 0.05f ? pow(sig / peak, 1.0f /
s->param)
171 : sig * pow(0.05f / peak, 1.0f /
s->param) / 0.05f;
180 sig = sig / (sig +
s->param) * (peak +
s->param) / peak;
183 sig =
mobius(sig,
s->param, peak);
189 *r_out *= sig / sig_orig;
190 *g_out *= sig / sig_orig;
191 *b_out *= sig / sig_orig;
207 const int slice_start = (
in->height * jobnr) / nb_jobs;
208 const int slice_end = (
in->height * (jobnr+1)) / nb_jobs;
209 double peak =
td->peak;
211 for (
int y = slice_start; y <
slice_end; y++)
212 for (
int x = 0; x <
out->width; x++)
228 double peak =
s->peak;
230 if (!
desc || !odesc) {
283 in->data[3],
in->linesize[3],
284 out->linesize[3], outlink->
h);
286 for (y = 0; y <
out->height; y++) {
287 for (x = 0; x <
out->width; x++) {
301 #define OFFSET(x) offsetof(TonemapContext, x)
302 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
343 .priv_class = &tonemap_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 AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
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_WARNING
Something somehow does not look correct.
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 av_always_inline uint32_t av_float2int(float f)
Reinterpret a float as a 32-bit integer.
double ff_determine_signal_peak(AVFrame *in)
void ff_update_hdr_metadata(AVFrame *in, double peak)
Various defines for YUV<->RGB conversion.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
const char * av_color_space_name(enum AVColorSpace space)
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
#define AV_PIX_FMT_FLAG_ALPHA
The pixel format has an alpha channel.
#define AV_PIX_FMT_GBRPF32
AVPixelFormat
Pixel format.
@ AVCOL_TRC_LINEAR
"Linear transfer characteristics"
#define AV_PIX_FMT_GBRAPF32
@ AVCOL_SPC_BT709
also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
@ AVCOL_SPC_BT470BG
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601
@ AVCOL_SPC_BT2020_CL
ITU-R BT2020 constant luminance system.
@ AVCOL_SPC_NB
Not part of ABI.
@ AVCOL_SPC_BT2020_NCL
ITU-R BT2020 non-constant luminance system.
@ AVCOL_SPC_SMPTE170M
also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
@ AVCOL_SPC_FCC
FCC Title 47 Code of Federal Regulations 73.682 (a)(20)
@ AVCOL_SPC_SMPTE240M
functionally identical to above
Describe the class of an AVClass context structure.
int step
Number of elements between 2 horizontally consecutive pixels.
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...
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
Used for passing data between threads.
const AVPixFmtDescriptor * desc
enum TonemapAlgorithm tonemap
const struct LumaCoefficients * coeffs
AVFILTER_DEFINE_CLASS(tonemap)
static int filter_frame(AVFilterLink *link, AVFrame *in)
static float hable(float in)
static int query_formats(AVFilterContext *ctx)
static const struct LumaCoefficients luma_coefficients[AVCOL_SPC_NB]
static const AVFilterPad tonemap_outputs[]
static const AVOption tonemap_options[]
static enum AVPixelFormat pix_fmts[]
static int tonemap_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static av_cold int init(AVFilterContext *ctx)
static const AVFilterPad tonemap_inputs[]
static void tonemap(TonemapContext *s, AVFrame *out, const AVFrame *in, const AVPixFmtDescriptor *desc, int x, int y, double peak)
static float mobius(float in, float j, double peak)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.