35 typedef struct Range {
50 #define OFFSET(x) offsetof(ColorLevelsContext, x) 51 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM 124 ColorLevelsContext *s = ctx->priv;\ 125 const struct thread_data *td = arg;\ 127 int process_h = td->h;\ 128 const int slice_start = (process_h * jobnr ) / nb_jobs;\ 129 const int slice_end = (process_h * (jobnr+1)) / nb_jobs;\ 131 const uint8_t *srcrow = td->srcrow;\ 132 uint8_t *dstrow = td->dstrow;\ 133 const int step = s->step;\ 134 const uint8_t offset = td->offset;\ 136 int imin = td->imin;\ 137 int omin = td->omin;\ 138 double coeff = td->coeff;\ 144 for (y = slice_start; y <
slice_end; y++) {
146 uint8_t *dst = dstrow + y *
td->dst_linesize;
148 for (x = 0; x <
s->linesize; x += step)
159 for (y = slice_start; y <
slice_end; y++) {
160 const uint16_t *
src = (
const uint16_t *)(srcrow + y *
td->src_linesize);
161 uint16_t *dst = (uint16_t *)(dstrow + y *
td->dst_linesize);
163 for (x = 0; x <
s->linesize; x += step)
175 const int step = s->
step;
192 for (i = 0; i < s->
nb_comp; i++) {
206 for (y = 0; y < inlink->
h; y++) {
209 for (x = 0; x < s->
linesize; x += step)
210 imin =
FFMIN(imin, src[x + offset]);
215 srcrow = in->
data[0];
217 for (y = 0; y < inlink->
h; y++) {
220 for (x = 0; x < s->
linesize; x += step)
221 imax =
FFMAX(imax, src[x + offset]);
226 srcrow = in->
data[0];
227 coeff = (omax -
omin) / (
double)(imax -
imin);
244 for (i = 0; i < s->
nb_comp; i++) {
258 for (y = 0; y < inlink->
h; y++) {
259 const uint16_t *
src = (
const uint16_t *)srcrow;
261 for (x = 0; x < s->
linesize; x += step)
262 imin =
FFMIN(imin, src[x + offset]);
267 srcrow = in->
data[0];
269 for (y = 0; y < inlink->
h; y++) {
270 const uint16_t *
src = (
const uint16_t *)srcrow;
272 for (x = 0; x < s->
linesize; x += step)
273 imax =
FFMAX(imax, src[x + offset]);
278 srcrow = in->
data[0];
279 coeff = (omax -
omin) / (
double)(imax -
imin);
320 .
name =
"colorlevels",
323 .priv_class = &colorlevels_class,
325 .
inputs = colorlevels_inputs,
326 .
outputs = colorlevels_outputs,
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
This structure describes decoded (raw) audio or video data.
Main libavfilter public API header.
packed RGB 8:8:8, 24bpp, RGBRGB...
#define AV_PIX_FMT_RGBA64
int h
agreed upon image height
#define AV_PIX_FMT_BGRA64
packed BGR 8:8:8, 32bpp, XBGRXBGR... X=unused/undefined
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
const char * name
Pad name.
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
packed RGB 8:8:8, 32bpp, RGBXRGBX... X=unused/undefined
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
static int query_formats(AVFilterContext *ctx)
A filter pad used for either input or output.
A link between two filters.
#define i(width, name, range_min, range_max)
static const AVFilterPad colorlevels_inputs[]
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
void * priv
private data for use by the filter
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 ...
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
static const uint8_t offset[127][2]
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
int w
agreed upon image width
uint8_t nb_components
The number of components each pixel has, (1-4)
static int config_input(AVFilterLink *inlink)
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
static const AVOption colorlevels_options[]
packed RGB 8:8:8, 24bpp, BGRBGR...
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
int format
agreed upon media format
int ff_fill_rgba_map(uint8_t *rgba_map, enum AVPixelFormat pix_fmt)
int av_frame_is_writable(AVFrame *frame)
Check if the frame data is writable.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
static int colorlevel_slice_8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
static const AVFilterPad colorlevels_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)\", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
Describe the class of an AVClass context structure.
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
const char * name
Filter name.
AVFilterLink ** outputs
array of pointers to output links
static enum AVPixelFormat pix_fmts[]
#define flags(name, subs,...)
AVFilterInternal * internal
An opaque struct for libavfilter internal use.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
avfilter_execute_func * execute
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
AVFilterContext * dst
dest filter
AVFilter ff_vf_colorlevels
static const double coeff[2][5]
AVFILTER_DEFINE_CLASS(colorlevels)
int depth
Number of bits in the component.
packed RGB 8:8:8, 32bpp, XRGBXRGB... X=unused/undefined
AVPixelFormat
Pixel format.
static int colorlevel_slice_16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.