27 #define FF_BUFQUEUE_SIZE 129
34 #define SIZE FF_BUFQUEUE_SIZE
70 uint8_t *dst, ptrdiff_t dst_linesize,
int w,
int h,
float f);
73 #define OFFSET(x) offsetof(DeflickerContext, x)
74 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
126 uint8_t *dst, ptrdiff_t dst_linesize,
127 int w,
int h,
float f)
131 for (y = 0; y <
h; y++) {
132 for (x = 0; x <
w; x++) {
144 const uint8_t *ssrc, ptrdiff_t src_linesize,
145 uint8_t *ddst, ptrdiff_t dst_linesize,
146 int w,
int h,
float f)
149 const uint16_t *
src = (
const uint16_t *)ssrc;
150 uint16_t *dst = (uint16_t *)ddst;
151 const int max = (1 <<
s->depth) - 1;
154 for (y = 0; y <
h; y++) {
155 for (x = 0; x <
w; x++) {
159 dst += dst_linesize / 2;
160 src += src_linesize / 2;
173 memset(
s->histogram, 0, (1 <<
s->depth) *
sizeof(*
s->histogram));
175 for (y = 0; y <
s->planeheight[0]; y++) {
176 for (x = 0; x <
s->planewidth[0]; x++) {
177 s->histogram[
src[x]]++;
179 src +=
in->linesize[0];
182 for (y = 0; y < 1 <<
s->depth; y++) {
183 sum +=
s->histogram[y] * y;
186 return 1.0f * sum / (
s->planeheight[0] *
s->planewidth[0]);
192 const uint16_t *
src = (
const uint16_t *)
in->data[0];
196 memset(
s->histogram, 0, (1 <<
s->depth) *
sizeof(*
s->histogram));
198 for (y = 0; y <
s->planeheight[0]; y++) {
199 for (x = 0; x <
s->planewidth[0]; x++) {
200 s->histogram[
src[x]]++;
202 src +=
in->linesize[0] / 2;
205 for (y = 0; y < 1 <<
s->depth; y++) {
206 sum +=
s->histogram[y] * y;
209 return 1.0f * sum / (
s->planeheight[0] *
s->planewidth[0]);
219 for (y = 0; y <
s->size; y++) {
220 *
f +=
s->luminance[y];
224 *
f /=
s->luminance[0];
234 for (y = 0; y <
s->size; y++) {
235 *
f *=
s->luminance[y];
238 *
f = pow(*
f, 1.0f /
s->size);
239 *
f /=
s->luminance[0];
249 for (y = 0; y <
s->size; y++) {
250 *
f += 1.0f /
s->luminance[y];
254 *
f /=
s->luminance[0];
264 for (y = 0; y <
s->size; y++) {
265 *
f +=
s->luminance[y] *
s->luminance[y];
270 *
f /=
s->luminance[0];
280 for (y = 0; y <
s->size; y++) {
281 *
f +=
s->luminance[y] *
s->luminance[y] *
s->luminance[y];
286 *
f /=
s->luminance[0];
296 for (y = 0; y <
s->size; y++) {
297 *
f +=
powf(
s->luminance[y],
s->size);
302 *
f /=
s->luminance[0];
307 const float *aa =
a, *bb =
b;
308 return round(aa - bb);
315 memcpy(
s->sorted,
s->luminance,
sizeof(
s->sorted));
318 *
f =
s->sorted[
s->size >> 1] /
s->luminance[0];
327 s->nb_planes =
desc->nb_components;
330 s->planeheight[0] =
s->planeheight[3] = inlink->
h;
332 s->planewidth[0] =
s->planewidth[3] = inlink->
w;
334 s->depth =
desc->comp[0].depth;
343 s->histogram =
av_calloc(1 <<
s->depth,
sizeof(*
s->histogram));
370 if (
s->q.available <
s->size && !
s->eof) {
371 s->luminance[
s->available] =
s->calc_avgy(
ctx, buf);
385 s->get_factor(
ctx, &
f);
387 s->deflicker(
ctx,
in->data[0],
in->linesize[0],
out->data[0],
out->linesize[0],
388 outlink->
w, outlink->
h,
f);
389 for (y = 1 -
s->bypass; y < s->nb_planes; y++) {
391 in->data[y],
in->linesize[y],
392 s->planewidth[y] * (1 + (
s->depth > 8)),
s->planeheight[y]);
396 metadata = &
out->metadata;
412 memmove(&
s->luminance[0], &
s->luminance[1],
sizeof(*
s->luminance) * (
s->size - 1));
413 s->luminance[
s->available - 1] =
s->calc_avgy(
ctx, buf);
473 .priv_class = &deflicker_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_request_frame(AVFilterLink *link)
Request an input frame from the filter at the other end of the link.
Main libavfilter public API header.
static void ff_bufqueue_add(void *log, struct FFBufQueue *queue, AVFrame *buf)
Add a buffer to the queue.
static AVFrame * ff_bufqueue_peek(struct FFBufQueue *queue, unsigned index)
Get a buffer from the queue without altering it.
static void ff_bufqueue_discard_all(struct FFBufQueue *queue)
Unref and remove all buffers from the queue.
static AVFrame * ff_bufqueue_get(struct FFBufQueue *queue)
Get the first buffer from the queue and remove it.
#define AV_CEIL_RSHIFT(a, b)
mode
Use these values in ebur128_init (or'ed).
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
#define AVERROR_EOF
End of file.
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
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_calloc(size_t nmemb, size_t size)
Non-inlined equivalent of av_mallocz_array().
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.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static av_always_inline av_const double round(double x)
static av_always_inline float cbrtf(float x)
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
#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_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_YUV422P10
#define AV_PIX_FMT_GRAY12
#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_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_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_YUV440P10
#define AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P10
#define AV_QSORT(p, num, type, cmp)
Quicksort This sort is fast, and fully inplace but not stable and it is possible to construct input t...
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
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.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
float(* calc_avgy)(AVFilterContext *ctx, AVFrame *in)
int(* deflicker)(AVFilterContext *ctx, const uint8_t *src, ptrdiff_t src_linesize, uint8_t *dst, ptrdiff_t dst_linesize, int w, int h, float f)
void(* get_factor)(AVFilterContext *ctx, float *f)
Structure holding the queue.
static void get_gm_factor(AVFilterContext *ctx, float *f)
static void get_am_factor(AVFilterContext *ctx, float *f)
static int comparef(const void *a, const void *b)
static void get_qm_factor(AVFilterContext *ctx, float *f)
static int query_formats(AVFilterContext *ctx)
static void get_median_factor(AVFilterContext *ctx, float *f)
static int config_input(AVFilterLink *inlink)
static const AVFilterPad inputs[]
static int request_frame(AVFilterLink *outlink)
static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
static const AVFilterPad outputs[]
static int deflicker8(AVFilterContext *ctx, const uint8_t *src, ptrdiff_t src_linesize, uint8_t *dst, ptrdiff_t dst_linesize, int w, int h, float f)
AVFILTER_DEFINE_CLASS(deflicker)
static void get_hm_factor(AVFilterContext *ctx, float *f)
static const AVOption deflicker_options[]
static av_cold void uninit(AVFilterContext *ctx)
static float calc_avgy8(AVFilterContext *ctx, AVFrame *in)
static void get_cm_factor(AVFilterContext *ctx, float *f)
static int deflicker16(AVFilterContext *ctx, const uint8_t *ssrc, ptrdiff_t src_linesize, uint8_t *ddst, ptrdiff_t dst_linesize, int w, int h, float f)
static void get_pm_factor(AVFilterContext *ctx, float *f)
static float calc_avgy16(AVFilterContext *ctx, AVFrame *in)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.