Go to the documentation of this file.
59 #define OFFSET(x) offsetof(ShowInfoContext, x)
60 #define VF AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
64 {
"udu_sei_as_ascii",
"try to print user data unregistered SEI as ascii character when possible",
74 double yaw, pitch, roll;
78 if (spherical->
yaw || spherical->
pitch || spherical->
roll) {
79 yaw = ((
double)spherical->
yaw) / (1 << 16);
120 const uint32_t *tc = (
const uint32_t *)sd->
data;
122 if ((sd->
size !=
sizeof(uint32_t) * 4) || (tc[0] > 3)) {
127 for (
int j = 1; j <= tc[0]; j++) {
142 if (!roi_size || sd->
size % roi_size != 0) {
146 nb_rois = sd->
size / roi_size;
148 for (
int i = 0;
i < nb_rois;
i++) {
162 nb_bboxes =
header->nb_bboxes;
165 for (
int i = 0;
i < nb_bboxes;
i++) {
167 av_log(
ctx,
AV_LOG_INFO,
"index: %d,\tregion: (%d, %d) -> (%d, %d), label: %s, confidence: %d/%d.\n",
168 i, bbox->
x, bbox->
y, bbox->
x + bbox->
w, bbox->
y + bbox->
h,
183 if (sd->
size <
sizeof(*mastering_display)) {
191 "r(%5.4f,%5.4f) g(%5.4f,%5.4f) b(%5.4f %5.4f) wp(%5.4f, %5.4f) "
192 "min_luminance=%f, max_luminance=%f",
208 if (sd->
size <
sizeof(*hdr_plus)) {
260 for (
int i = 0;
i < 3;
i++) {
307 if (sd->
size <
sizeof(*hdr_vivid)) {
391 "MaxCLL=%d, MaxFALL=%d",
405 int delta_qp = par->
delta_qp[plane][acdc];
408 plane, acdc, delta_qp);
428 for (
size_t i = 16;
i < sd->
size;
i++) {
429 const char *
format =
"%02x";
431 if (
s->udu_sei_as_ascii)
441 const char *
const film_grain_type_names[] = {
464 av_log(
ctx,
AV_LOG_INFO,
"color_primaries=%s; ", color_primaries_str ? color_primaries_str :
"unknown");
476 const int num_ar_coeffs_uv = num_ar_coeffs_y + !!aom->
num_y_points;
481 for (
int uv = 0; uv < 2; uv++) {
489 if (num_ar_coeffs_y) {
491 for (
int i = 0;
i < num_ar_coeffs_y;
i++)
495 for (
int uv = 0; num_ar_coeffs_uv && uv < 2; uv++) {
497 for (
int i = 0;
i < num_ar_coeffs_uv;
i++)
503 for (
int uv = 0; uv < 2; uv++) {
518 for (
int c = 0;
c < 3;
c++)
526 for (
int c = 0;
c < 3;
c++) {
558 av_log(
ctx,
AV_LOG_INFO,
"chroma_resampling_explicit_filter_flag=%"PRIu8
"; ", hdr->chroma_resampling_explicit_filter_flag);
566 av_log(
ctx,
AV_LOG_INFO,
"spatial_resampling_filter_flag=%"PRIu8
"; ", hdr->spatial_resampling_filter_flag);
567 av_log(
ctx,
AV_LOG_INFO,
"el_spatial_resampling_filter_flag=%"PRIu8
"; ", hdr->el_spatial_resampling_filter_flag);
578 for (
int c = 0;
c < 3;
c++) {
608 for (
int j = 0; j < curve->
mmr_order[
i]; j++) {
609 for (
int k = 0; k < 7; k++)
629 for (
int i = 0;
i < 9;
i++)
632 for (
int i = 0;
i < 3;
i++)
635 for (
int i = 0;
i < 9;
i++)
698 for (
i = 0;
i <
len;
i++) {
706 const uint16_t *
src1 = (
const uint16_t *)
src;
709 for (
i = 0;
i <
len / 2;
i++) {
710 if ((HAVE_BIGENDIAN && !
be) || (!HAVE_BIGENDIAN &&
be)) {
715 *sum2 += (uint32_t)
src1[
i] * (uint32_t)
src1[
i];
734 uint32_t plane_checksum[4] = {0}, checksum = 0;
735 int64_t sum[4] = {0}, sum2[4] = {0};
739 int i, plane, vsub =
desc->log2_chroma_h;
741 for (plane = 0; plane < 4 &&
s->calculate_checksums &&
frame->data[plane] &&
frame->linesize[plane]; plane++) {
750 for (
i = 0;
i <
h;
i++) {
755 pixelcount[plane] +=
width;
761 "n:%4"PRId64
" pts:%7s pts_time:%-7s duration:%7"PRId64
762 " duration_time:%-7s "
763 "fmt:%s cl:%s sar:%d/%d s:%dx%d i:%c iskey:%d type:%c ",
768 frame->sample_aspect_ratio.num,
frame->sample_aspect_ratio.den,
775 if (
s->calculate_checksums) {
777 "checksum:%08"PRIX32
" plane_checksum:[%08"PRIX32,
778 checksum, plane_checksum[0]);
780 for (plane = 1; plane < 4 &&
frame->data[plane] &&
frame->linesize[plane]; plane++)
783 for (plane = 0; plane < 4 &&
frame->data[plane] &&
frame->linesize[plane]; plane++)
786 (sum[plane] + pixelcount[plane]/2) / pixelcount[plane]);
788 for (plane = 0; plane < 4 &&
frame->data[plane] &&
frame->linesize[plane]; plane++)
791 sqrt((sum2[plane] - sum[plane]*(
double)sum[plane]/pixelcount[plane])/pixelcount[plane]));
796 for (
i = 0;
i <
frame->nb_side_data;
i++) {
886 is_out ?
"out" :
"in",
928 .priv_class = &showinfo_class,
int32_t qp
Base quantisation parameter for the frame.
static void dump_detection_bbox(AVFilterContext *ctx, const AVFrameSideData *sd)
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it be(in the first position) for now. Options ------- Then comes the options array. This is what will define the user accessible options. For example
AVHDRPlusColorTransformParams params[3]
The color transform parameters for every processing window.
#define AV_LOG_WARNING
Something somehow does not look correct.
#define AV_TIMECODE_STR_SIZE
enum AVDOVINLQMethod nlq_method_idc
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf default minimum maximum flags name is the option name
int base_param_k2
indicates k2_0 in the base parameter, base_param_k2 <= 1: k2_0 = base_param_k2 base_param_k2 > 1: res...
static void dump_spherical(AVFilterContext *ctx, AVFrame *frame, const AVFrameSideData *sd)
enum AVSphericalProjection projection
Projection type.
AVRational base_param_Delta
base_param_Delta in the base parameter, in multiples of 1.0/127.
int base_enable_flag
This flag indicates that transfer the base paramter(for value of 1)
static void update_sample_stats(int depth, int be, const uint8_t *src, int len, int64_t *sum, int64_t *sum2)
AVRational percentile
The linearized maxRGB value at a specific percentile in the processing window in the scene.
Ambient viewing environment metadata as defined by H.274.
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
int three_Spline_num
The number of three Spline.
@ AV_FRAME_DATA_DOVI_METADATA
Parsed Dolby Vision metadata, suitable for passing to a software implementation.
static int config_props_out(AVFilterLink *link)
The exact code depends on how similar the blocks are and how related they are to the and needs to apply these operations to the correct inlink or outlink if there are several Macros are available to factor that when no extra processing is inlink
uint8_t uv_points[2][10][2]
@ AV_FRAME_DATA_FILM_GRAIN_PARAMS
Film grain parameters for a frame, described by AVFilmGrainParams.
int blending_mode_id
Specifies the blending mode used to blend the simulated film grain with the decoded images.
@ AV_FRAME_DATA_S12M_TIMECODE
Timecode which conforms to SMPTE ST 12-1.
unsigned MaxCLL
Max content light level (cd/m^2).
#define FILTER_INPUTS(array)
This structure describes decoded (raw) audio or video data.
static const AVFilterPad avfilter_vf_showinfo_inputs[]
int64_t mmr_coef[AV_DOVI_MAX_PIECES][3][7]
uint8_t num_cols_targeted_system_display_actual_peak_luminance
The number of columns in the targeted_system_display_actual_peak_luminance array.
void av_spherical_tile_bounds(const AVSphericalMapping *map, size_t width, size_t height, size_t *left, size_t *top, size_t *right, size_t *bottom)
Convert the bounding fields from an AVSphericalVideo from 0.32 fixed point to pixels.
AVRational ambient_light_x
Normalized x chromaticity coordinate of the environmental ambient light in the nominal viewing enviro...
AVRational enable_strength
3Spline_enable_Strength of three Spline.
enum AVDOVIMappingMethod mapping_idc[AV_DOVI_MAX_PIECES]
@ AV_FRAME_DATA_DISPLAYMATRIX
This side data contains a 3x3 transformation matrix describing an affine transformation that needs to...
@ AV_SPHERICAL_EQUIRECTANGULAR_TILE
Video represents a portion of a sphere mapped on a flat surface using equirectangular projection.
uint32_t baseline
The distance between the centres of the lenses of the camera system, in micrometers.
int th_mode
The mode of three Spline.
const char * name
Filter name.
uint8_t mapping_color_space
static void dump_color_property(AVFilterContext *ctx, AVFrame *frame)
static void dump_s12m_timecode(AVFilterContext *ctx, AVFilterLink *inlink, const AVFrameSideData *sd)
A link between two filters.
const char * av_chroma_location_name(enum AVChromaLocation location)
Link properties exposed to filter code, but not external callers.
#define AV_FRAME_FLAG_TOP_FIELD_FIRST
A flag to mark frames where the top field is displayed first if the content is interlaced.
Content light level needed by to transmit HDR over HDMI (CTA-861.3).
AVRational horizontal_field_of_view
Horizontal field of view, in degrees.
int three_Spline_enable_flag
indicates 3Spline_enable_flag in the base parameter, This flag indicates that transfer three Spline o...
const char * av_color_space_name(enum AVColorSpace space)
char detect_label[AV_DETECTION_BBOX_LABEL_NAME_MAX_SIZE]
Detect result with confidence.
int32_t delta_qp[4][2]
Quantisation parameter offset from the base (per-frame) qp for a given plane (first index) and AC/DC ...
int grain_scale_shift
Signals the down shift applied to the generated gaussian numbers during synthesis.
AVRational th_delta1
3Spline_TH_Delta1 of three Spline.
uint8_t num_windows
The number of processing windows.
int limit_output_range
Signals to clip to limited color levels after film grain application.
AVRational ambient_illuminance
Environmental illuminance of the ambient viewing environment in lux.
int num_y_points
Number of points, and the scale and value for each point of the piecewise linear scaling function for...
Video encoding parameters for a given frame.
AVFILTER_DEFINE_CLASS(showinfo)
A filter pad used for either input or output.
This structure describes how to handle film grain synthesis for AOM codecs.
const char * av_stereo3d_view_name(unsigned int view)
Provide a human-readable name of a given stereo3d view.
uint8_t intensity_interval_upper_bound[3][256]
Specifies the upper bound of each intensity interval for which the set of model values applies for th...
static av_always_inline AVDetectionBBox * av_get_detection_bbox(const AVDetectionBBoxHeader *header, unsigned int idx)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
#define FF_ARRAY_ELEMS(a)
static int config_props_in(AVFilterLink *link)
Structure describing a single Region Of Interest.
#define AV_FRAME_FLAG_KEY
A flag to mark frames that are keyframes.
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
uint8_t mmr_order[AV_DOVI_MAX_PIECES]
#define AV_CEIL_RSHIFT(a, b)
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample format(the sample packing is implied by the sample format) and sample rate. The lists are not just lists
AVRational classify_confidences[AV_NUM_DETECTION_BBOX_CLASSIFY]
static double av_q2d(AVRational a)
Convert an AVRational to a double.
AVRational targeted_system_display_maximum_luminance
The nominal maximum display luminance of the targeted system display, in units of 0....
uint8_t mastering_display_actual_peak_luminance_flag
This flag shall be equal to 0 in bitstreams conforming to this version of this Specification.
enum AVVideoEncParamsType type
Type of the parameters (the codec they are used with).
static void dump_dovi_metadata(AVFilterContext *ctx, const AVFrameSideData *sd)
int16_t comp_model_value[3][256][6]
Specifies the model values for the component for each intensity interval.
#define FILTER_OUTPUTS(array)
@ AV_FILM_GRAIN_PARAMS_NONE
static void dump_mastering_display(AVFilterContext *ctx, const AVFrameSideData *sd)
uint8_t poly_order[AV_DOVI_MAX_PIECES]
@ AV_FRAME_DATA_DYNAMIC_HDR_VIVID
HDR Vivid dynamic metadata associated with a video frame.
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a link
int flags
Additional information about the frame packing.
uint8_t percentage
The percentage value corresponding to a specific percentile linearized RGB value in the processing wi...
int model_id
Specifies the film grain simulation mode.
uint64_t linear_deadzone_threshold
const char * av_color_range_name(enum AVColorRange range)
static int config_props(AVFilterContext *ctx, AVFilterLink *link, int is_out)
uint8_t application_version
Application version in the application defining document in ST-2094 suite.
@ AV_FRAME_DATA_SPHERICAL
The data represents the AVSphericalMapping structure defined in libavutil/spherical....
Describe the class of an AVClass context structure.
const AVFilter ff_vf_showinfo
static void dump_roi(AVFilterContext *ctx, const AVFrameSideData *sd)
char classify_labels[AV_NUM_DETECTION_BBOX_CLASSIFY][AV_DETECTION_BBOX_LABEL_NAME_MAX_SIZE]
uint32_t self_size
Must be set to the size of this data structure (that is, sizeof(AVRegionOfInterest)).
AVRational horizontal_disparity_adjustment
Relative shift of the left and right images, which changes the zero parallax plane.
This struct represents dynamic metadata for color volume transform - CUVA 005.1:2021 standard.
static void dump_ambient_viewing_environment(AVFilterContext *ctx, const AVFrameSideData *sd)
@ AV_FRAME_DATA_MASTERING_DISPLAY_METADATA
Mastering display metadata associated with a video frame.
const char * av_color_primaries_name(enum AVColorPrimaries primaries)
static void dump_video_enc_params(AVFilterContext *ctx, const AVFrameSideData *sd)
static void dump_sei_unregistered_metadata(AVFilterContext *ctx, const AVFrameSideData *sd)
int64_t mmr_constant[AV_DOVI_MAX_PIECES]
@ AV_FRAME_DATA_AFD
Active Format Description data consisting of a single byte as specified in ETSI TS 101 154 using AVAc...
@ AVCOL_RANGE_UNSPECIFIED
Undefined Behavior In the C some operations are like signed integer dereferencing freed accessing outside allocated Undefined Behavior must not occur in a C it is not safe even if the output of undefined operations is unused The unsafety may seem nit picking but Optimizing compilers have in fact optimized code on the assumption that no undefined Behavior occurs Optimizing code based on wrong assumptions can and has in some cases lead to effects beyond the output of computations The signed integer overflow problem in speed critical code Code which is highly optimized and works with signed integers sometimes has the problem that often the output of the computation does not c
@ AV_FRAME_DATA_SEI_UNREGISTERED
User data unregistered metadata associated with a video frame.
static FilterLink * ff_filter_link(AVFilterLink *link)
AVAdler av_adler32_update(AVAdler adler, const uint8_t *buf, size_t len)
Calculate the Adler32 checksum of a buffer.
enum AVStereo3DPrimaryEye primary_eye
Which eye is the primary eye when rendering in 2D.
int num_uv_points[2]
If chroma_scaling_from_luma is set to 0, signals the chroma scaling function parameters.
const char * av_spherical_projection_name(enum AVSphericalProjection projection)
Provide a human-readable name of a given AVSphericalProjection.
@ AV_SPHERICAL_CUBEMAP
Video frame is split into 6 faces of a cube, and arranged on a 3x2 layout.
#define av_ts2timestr(ts, tb)
Convenience macro, the return value should be used only directly in function arguments but never stan...
uint8_t num_rows_mastering_display_actual_peak_luminance
The number of rows in the mastering_display_actual_peak_luminance array.
static void dump_dynamic_hdr_plus(AVFilterContext *ctx, AVFrameSideData *sd)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
@ AV_FRAME_DATA_AMBIENT_VIEWING_ENVIRONMENT
Ambient viewing environment metadata, as defined by H.274.
int component_model_present[3]
Indicates if the modelling of film grain for a given component is present.
uint8_t num_windows
The number of processing windows.
const char * av_stereo3d_primary_eye_name(unsigned int eye)
Provide a human-readable name of a given stereo3d primary eye.
static const AVOption showinfo_options[]
AVRational mastering_display_actual_peak_luminance[25][25]
The normalized actual peak luminance of the mastering display used for mastering the image essence.
AVRational time_base
Time base for the timestamps in this frame.
This structure describes how to handle film grain synthesis in video for specific codecs.
static int FUNC() user_data(CodedBitstreamContext *ctx, RWContext *rw, MPEG2RawUserData *current)
unsigned int nb_blocks
Number of blocks in the array.
static const uint8_t header[24]
int base_param_k1
indicates k1_0 in the base parameter, base_param_k1 <= 1: k1_0 = base_param_k1 base_param_k1 > 1: res...
uint32_t padding
Number of pixels to pad from the edge of each cube face.
int64_t poly_coef[AV_DOVI_MAX_PIECES][3]
static void dump_sei_film_grain_params_metadata(AVFilterContext *ctx, const AVFrameSideData *sd)
#define AV_STEREO3D_FLAG_INVERT
Inverted views, Right/Bottom represents the left view.
int8_t ar_coeffs_y[24]
Luma auto-regression coefficients.
static void update_sample_stats_16(int be, const uint8_t *src, int len, int64_t *sum, int64_t *sum2)
#define AV_LOG_INFO
Standard information.
@ AV_FRAME_DATA_VIEW_ID
This side data must be associated with a video frame.
uint8_t num_rows_targeted_system_display_actual_peak_luminance
The number of rows in the targeted system_display_actual_peak_luminance array.
int av_image_get_linesize(enum AVPixelFormat pix_fmt, int width, int plane)
Compute the size of an image line with format pix_fmt and width width for the plane plane.
char av_get_picture_type_char(enum AVPictureType pict_type)
Return a single letter to describe the given picture type pict_type.
@ AV_FRAME_DATA_CONTENT_LIGHT_LEVEL
Content light level (based on CTA-861.3).
int32_t roll
Rotation around the forward vector [-180, 180].
static void dump_content_light_metadata(AVFilterContext *ctx, AVFrameSideData *sd)
#define i(width, name, range_min, range_max)
char * av_timecode_make_smpte_tc_string2(char *buf, AVRational rate, uint32_t tcsmpte, int prevent_df, int skip_field)
Get the timecode string from the SMPTE timecode format.
This structure describes how to handle film grain synthesis for codecs using the ITU-T H....
int top
Distance in pixels from the top edge of the frame to the top and bottom edges and from the left edge ...
AVRational targeted_system_display_maximum_luminance
The nominal maximum display luminance of the targeted system display, in multiples of 1....
uint16_t num_intensity_intervals[3]
Specifies the number of intensity intervals for which a specific set of model values has been estimat...
uint32_t num_y_partitions
@ AV_FRAME_DATA_STEREO3D
Stereoscopic 3d metadata.
#define AV_PIX_FMT_FLAG_BE
Pixel format is big-endian.
int scaling_shift
Specifies the shift applied to the chroma components.
const char * name
Pad name.
Coefficients of the non-linear inverse quantization.
int base_param_Delta_enable_mode
This flag indicates that delta mode of base paramter(for value of 1)
static const AVFilterPad avfilter_vf_showinfo_outputs[]
#define AV_FRAME_FLAG_INTERLACED
A flag to mark frames whose content is interlaced.
uint8_t intensity_interval_lower_bound[3][256]
Specifies the lower ounds of each intensity interval for whichthe set of model values applies for the...
This struct represents dynamic metadata for color volume transform - application 4 of SMPTE 2094-40:2...
AVDOVIReshapingCurve curves[3]
uint64_t linear_deadzone_slope
@ AV_FRAME_DATA_GOP_TIMECODE
The GOP timecode in 25 bit timecode format.
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several inputs will most likely require some kind of queuing mechanism It is perfectly acceptable to have a limited queue and to drop frames when the inputs are too unbalanced request_frame For filters that do not use the this method is called when a frame is wanted on an output For a it should directly call filter_frame on the corresponding output For a if there are queued frames already one of these frames should be pushed If the filter should request a frame on one of its repeatedly until at least one frame has been pushed Return or at least make progress towards producing a frame
int32_t pitch
Rotation around the right vector [-90, 90].
enum AVStereo3DType type
How views are packed within the video.
static void dump_stereo3d(AVFilterContext *ctx, const AVFrameSideData *sd)
HDR Vivid three spline params.
AVRational detect_confidence
AVRational base_param_m_n
base_param_m_n in the base parameter, in multiples of 1.0/10.
@ AV_FRAME_DATA_DYNAMIC_HDR_PLUS
HDR dynamic metadata associated with a video frame.
AVRational base_param_m_a
base_param_m_a in the base parameter, in multiples of 1.0/1023.
char * av_timecode_make_mpeg_tc_string(char *buf, uint32_t tc25bit)
Get the timecode string from the 25-bit timecode format (MPEG GOP format).
int ar_coeff_lag
Specifies the auto-regression lag.
uint8_t mapping_chroma_format_idc
@ AV_FILM_GRAIN_PARAMS_H274
The union is valid when interpreted as AVFilmGrainH274Params (codec.h274)
uint8_t targeted_system_display_actual_peak_luminance_flag
This flag shall be equal to 0 in bit streams conforming to this version of this Specification.
int uv_offset[2]
Offset used for component scaling function.
static void update_sample_stats_8(const uint8_t *src, int len, int64_t *sum, int64_t *sum2)
@ AV_FRAME_DATA_VIDEO_ENC_PARAMS
Encoding parameters for a video frame, as described by AVVideoEncParams.
AVRational th_enable
3Spline_TH_enable of three Spline.
#define AVFILTER_FLAG_METADATA_ONLY
The filter is a "metadata" filter - it does not modify the frame data in any way.
int x
Distance in pixels from the left/top edge of the frame, together with width and height,...
enum AVFrameSideDataType type
int log2_scale_factor
Specifies a scale factor used in the film grain characterization equations.
int uv_mult[2]
Specifies the luma/chroma multipliers for the index to the component scaling function.
Color tone mapping parameters at a processing window in a dynamic metadata for CUVA 005....
uint8_t num_model_values[3]
Specifies the number of model values present for each intensity interval in which the film grain has ...
int overlap_flag
Signals whether to overlap film grain blocks.
Structure to hold side data for an AVFrame.
AVHDRVividColorTransformParams params[3]
The color transform parameters for every processing window.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
static void dump_dynamic_hdr_vivid(AVFilterContext *ctx, AVFrameSideData *sd)
enum AVStereo3DView view
Determines which views are packed.
unsigned MaxFALL
Max average light level per frame (cd/m^2).
uint16_t pivots[AV_DOVI_MAX_PIECES+1]
@ AV_OPT_TYPE_BOOL
Underlying C type is int.
AVRational targeted_system_display_actual_peak_luminance[25][25]
The normalized actual peak luminance of the targeted system display.
const char * av_frame_side_data_name(enum AVFrameSideDataType type)
@ AV_FRAME_DATA_REGIONS_OF_INTEREST
Regions Of Interest, the data is an array of AVRegionOfInterest type, the number of array element is ...
#define flags(name, subs,...)
uint8_t system_start_code
The system start code.
#define av_ts2str(ts)
Convenience macro, the return value should be used only directly in function arguments but never stan...
int base_param_k3
indicates k3_0 in the base parameter, base_param_k3 == 1: k3_0 = base_param_k3 base_param_k3 == 2: k3...
const char * av_stereo3d_type_name(unsigned int type)
Provide a human-readable name of a given stereo3d type.
AVRational frame_rate
Frame rate of the stream on the link, or 1/0 if unknown or variable.
AVRational th_delta2
3Spline_TH_Delta2 of three Spline.
Stereo 3D type: this structure describes how two videos are packed within a single video surface,...
AVRational th_enable_mb
three_Spline_TH_enable_MB is in the range of 0.0 to 1.0, inclusive and in multiples of 1....
AVRational ambient_light_y
Normalized y chromaticity coordinate of the environmental ambient light in the nominal viewing enviro...
int chroma_scaling_from_luma
Signals whether to derive the chroma scaling function from the luma.
@ AV_FILM_GRAIN_PARAMS_AV1
The union is valid when interpreted as AVFilmGrainAOMParams (codec.aom)
AVHDRVivid3SplineParams three_spline[2]
AVRational base_param_m_p
base_param_m_p in the base parameter, in multiples of 1.0/16383.
AVRational qoffset
Quantisation offset.
Dolby Vision RPU data mapping parameters.
This structure describes how to handle spherical videos, outlining information about projection,...
const char * av_color_transfer_name(enum AVColorTransferCharacteristic transfer)
int32_t yaw
Rotation around the up vector [-180, 180].
AVRational base_param_m_b
base_param_m_b in the base parameter, in multiples of 1/1023.
@ AV_FRAME_DATA_DETECTION_BBOXES
Bounding boxes for object detection and classification, as described by AVDetectionBBoxHeader.
AVRational base_param_m_m
base_param_m_m in the base parameter, in multiples of 1.0/10.
uint8_t num_cols_mastering_display_actual_peak_luminance
The number of columns in the mastering_display_actual_peak_luminance array.
uint32_t num_x_partitions
int ar_coeff_shift
Specifies the range of the auto-regressive coefficients.
double av_display_rotation_get(const int32_t matrix[9])
Extract the rotation component of the transformation matrix.
int8_t ar_coeffs_uv[2][25]
Chroma auto-regression coefficients.