62 #define OFFSET(x) offsetof(HistogramContext, x)
63 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
77 {
"waveform_mirror",
"set waveform mirroring",
OFFSET(waveform_mirror),
AV_OPT_TYPE_INT, {.i64=0}, 0, 1,
FLAGS,
"waveform_mirror"},
188 if (rgb && bits == 7)
190 else if (rgb && bits == 8)
192 else if (rgb && bits == 9)
262 for (i = 0; i < h->
ncomp; i++) {
279 outlink->
h = outlink->
w = 256;
292 int component,
int intensity,
int offset,
int col_mode)
296 const int is_chroma = (component == 1 || component == 2);
301 const int dst_signed_linesize = dst_linesize * (mirror == 1 ? -1 : 1);
303 uint8_t *dst_data = outpicref->
data[
plane] + (col_mode ? (offset >> shift_h) * dst_linesize : offset >> shift_w);
304 uint8_t *
const dst_bottom_line = dst_data + dst_linesize * ((256 >> shift_h) - 1);
305 uint8_t *
const dst_line = (mirror ? dst_bottom_line : dst_data);
306 const uint8_t max = 255 - intensity;
312 if (!col_mode && mirror)
313 dst_data += 256 >> shift_w;
314 for (y = 0; y < src_h; y++) {
315 const uint8_t *src_data_end = src_data + src_w;
317 for (p = src_data; p < src_data_end; p++) {
320 target = dst++ + dst_signed_linesize * (*p >> shift_h);
323 target = dst_data - (*p >> shift_w);
325 target = dst_data + (*p >> shift_w);
328 *target += intensity;
332 src_data += src_linesize;
333 dst_data += dst_linesize;
355 for (k = 0; k < 4 && out->
data[k]; k++) {
356 const int is_chroma = (k == 1 || k == 2);
361 for (i = 0; i < dst_h ; i++)
368 for (i = 0; i < dst_h ; i++)
369 for (j = 0; j < dst_w; j++)
378 for (m = 0, k = 0; k < h->
ncomp; k++) {
383 unsigned max_hval = 0;
391 for (i = 0; i <
height; i++) {
393 for (j = 0; j <
width; j++)
397 for (i = 0; i <
height; i++) {
398 const uint16_t *
src = (
const uint16_t *)(in->
data[p] + i * in->
linesize[p]);
399 for (j = 0; j <
width; j++)
406 max_hval_log =
log2(max_hval + 1);
408 for (i = 0; i < outlink->
w; i++) {
419 for (l = 0; l < h->
ncomp; l++)
432 for (l = 0; l < h->
ncomp; l++)
447 for (k = 0; k < h->
ncomp; k++) {
453 for (i = 0; i < inlink->
h; i++) {
454 const int iw1 = i * in->
linesize[1];
455 const int iw2 = i * in->
linesize[2];
456 for (j = 0; j < inlink->
w; j++) {
457 const int pos = in->
data[1][iw1 + j] * out->
linesize[0] + in->
data[2][iw2 + j];
458 if (out->
data[0][pos] < 255)
462 for (i = 0; i < 256; i++) {
464 for (j = 0; j < 256; j++) {
473 for (i = 0; i < inlink->
h; i++) {
474 const int iw1 = i * in->
linesize[1];
475 const int iw2 = i * in->
linesize[2];
476 for (j = 0; j < inlink->
w; j++) {
477 const int u = in->
data[1][iw1 + j];
478 const int v = in->
data[2][iw2 + j];
479 const int pos = u * out->
linesize[0] +
v;
480 if (!out->
data[0][pos])
482 out->
data[1][pos] =
u;
483 out->
data[2][pos] =
v;
521 .priv_class = &histogram_class,
static enum AVPixelFormat levels_out_yuv8_pix_fmts[]
#define AV_PIX_FMT_YUVA422P9
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
This structure describes decoded (raw) audio or video data.
#define AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA422P10
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
#define AV_LOG_WARNING
Something somehow does not look correct.
Main libavfilter public API header.
unsigned histogram[256 *256]
static enum AVPixelFormat levels_out_rgb8_pix_fmts[]
int h
agreed upon image height
#define AV_PIX_FMT_GBRP10
static enum AVPixelFormat waveform_pix_fmts[]
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
const char * name
Pad name.
AVFilterLink ** inputs
array of pointers to input links
#define av_assert0(cond)
assert() equivalent, that is always enabled.
static const uint8_t black_gbrp_color[4]
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.
const AVPixFmtDescriptor * odesc
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
#define AV_PIX_FMT_YUVA420P9
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range...
static const AVFilterPad inputs[]
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
static int config_input(AVFilterLink *inlink)
static void gen_waveform(HistogramContext *h, AVFrame *inpicref, AVFrame *outpicref, int component, int intensity, int offset, int col_mode)
static const AVFilterPad outputs[]
static enum AVPixelFormat color_pix_fmts[]
A filter pad used for either input or output.
A link between two filters.
static const uint8_t white_gbrp_color[4]
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
uint16_t depth_minus1
Number of bits in the component minus 1.
int width
width and height of the video frame
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
#define AV_PIX_FMT_FLAG_RGB
The pixel format contains RGB-like data (as opposed to YUV/grayscale).
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. ...
void * priv
private data for use by the filter
simple assert() macros that are a bit more flexible than ISO C assert().
static av_always_inline av_const double round(double x)
AVFilterFormats * in_formats
Lists of formats and channel layouts supported by the input and output filters respectively.
#define AV_PIX_FMT_YUV444P10
static const uint8_t offset[127][2]
static enum AVPixelFormat levels_out_rgb10_pix_fmts[]
static enum AVPixelFormat levels_in_pix_fmts[]
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
int w
agreed upon image width
#define AV_PIX_FMT_YUV422P9
uint8_t nb_components
The number of components each pixel has, (1-4)
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
#define FF_CEIL_RSHIFT(a, b)
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
AVFilterContext * src
source filter
#define AV_PIX_FMT_YUVA444P10
static const AVOption histogram_options[]
#define AV_PIX_FMT_YUV444P9
int format
agreed upon media format
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
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...
const AVPixFmtDescriptor * desc
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;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);returnNULL;}returnac;}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;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->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);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> in
static int config_output(AVFilterLink *outlink)
static int16_t mult(Float11 *f1, Float11 *f2)
BYTE int const BYTE int int int height
#define AV_PIX_FMT_YUV420P10
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Describe the class of an AVClass context structure.
rational number numerator/denominator
static const uint8_t white_yuva_color[4]
const char * name
Filter name.
#define AV_PIX_FMT_YUV420P9
AVRational sample_aspect_ratio
agreed upon sample aspect ratio
AVFilterLink ** outputs
array of pointers to output links
static enum AVPixelFormat pix_fmts[]
static enum AVPixelFormat levels_out_rgb9_pix_fmts[]
#define AV_PIX_FMT_YUV422P10
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
uint16_t plane
Which of the 4 planes contains the component.
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
AVFILTER_DEFINE_CLASS(histogram)
planar GBRA 4:4:4:4 32bpp
#define AV_PIX_FMT_YUVA444P9
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
static int query_formats(AVFilterContext *ctx)
static const uint8_t black_yuva_color[4]
AVFilterContext * dst
dest filter
static enum AVPixelFormat levels_out_yuv9_pix_fmts[]
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;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);returnNULL;}returnac;}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;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->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);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> out
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
static enum AVPixelFormat levels_out_yuv10_pix_fmts[]
AVPixelFormat
Pixel format.
AVFilterFormats * out_formats