50 typedef struct TheadData {
60 #define DEF_UNSHARP_SLICE_FUNC(name, nbits) \ 61 static int name##_##nbits(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \ 63 ThreadData *td = arg; \ 64 UnsharpFilterParam *fp = td->fp; \ 65 UnsharpContext *s = ctx->priv; \ 66 uint32_t **sc = fp->sc; \ 67 uint32_t *sr = fp->sr; \ 68 const uint##nbits##_t *src2 = NULL; \ 69 const int amount = fp->amount; \ 70 const int steps_x = fp->steps_x; \ 71 const int steps_y = fp->steps_y; \ 72 const int scalebits = fp->scalebits; \ 73 const int32_t halfscale = fp->halfscale; \ 75 uint##nbits##_t *dst = (uint##nbits##_t*)td->dst; \ 76 const uint##nbits##_t *src = (const uint##nbits##_t *)td->src; \ 77 int dst_stride = td->dst_stride; \ 78 int src_stride = td->src_stride; \ 79 const int width = td->width; \ 80 const int height = td->height; \ 81 const int sc_offset = jobnr * 2 * steps_y; \ 82 const int sr_offset = jobnr * (MAX_MATRIX_SIZE - 1); \ 83 const int slice_start = (height * jobnr) / nb_jobs; \ 84 const int slice_end = (height * (jobnr+1)) / nb_jobs; \ 88 uint32_t tmp1, tmp2; \ 91 av_image_copy_plane(td->dst + slice_start * dst_stride, dst_stride, \ 92 td->src + slice_start * src_stride, src_stride, \ 93 width * s->bps, slice_end - slice_start); \ 97 for (y = 0; y < 2 * steps_y; y++) \ 98 memset(sc[sc_offset + y], 0, sizeof(sc[y][0]) * (width + 2 * steps_x)); \ 100 dst_stride = dst_stride / s->bps; \ 101 src_stride = src_stride / s->bps; \ 104 if (slice_start > steps_y) { \ 105 src += (slice_start - steps_y) * src_stride; \ 106 dst += (slice_start - steps_y) * dst_stride; \ 109 for (y = -steps_y + slice_start; y < steps_y + slice_end; y++) { \ 113 memset(sr + sr_offset, 0, sizeof(sr[0]) * (2 * steps_x - 1)); \ 114 for (x = -steps_x; x < width + steps_x; x++) { \ 115 tmp1 = x <= 0 ? src2[0] : x >= width ? src2[width-1] : src2[x]; \ 116 for (z = 0; z < steps_x * 2; z += 2) { \ 117 tmp2 = sr[sr_offset + z + 0] + tmp1; sr[sr_offset + z + 0] = tmp1; \ 118 tmp1 = sr[sr_offset + z + 1] + tmp2; sr[sr_offset + z + 1] = tmp2; \ 120 for (z = 0; z < steps_y * 2; z += 2) { \ 121 tmp2 = sc[sc_offset + z + 0][x + steps_x] + tmp1; \ 122 sc[sc_offset + z + 0][x + steps_x] = tmp1; \ 123 tmp1 = sc[sc_offset + z + 1][x + steps_x] + tmp2; \ 124 sc[sc_offset + z + 1][x + steps_x] = tmp2; \ 126 if (x >= steps_x && y >= (steps_y + slice_start)) { \ 127 const uint##nbits##_t *srx = src - steps_y * src_stride + x - steps_x; \ 128 uint##nbits##_t *dsx = dst - steps_y * dst_stride + x - steps_x; \ 130 res = (int32_t)*srx + ((((int32_t) * srx - \ 131 (int32_t)((tmp1 + halfscale) >> scalebits)) * amount) >> (8+nbits)); \ 132 *dsx = av_clip_uint##nbits(res); \ 149 int i, plane_w[3], plane_h[3];
153 plane_w[0] = inlink->
w;
155 plane_h[0] = inlink->
h;
158 fp[1] = fp[2] = &s->
chroma;
159 for (i = 0; i < 3; i++) {
176 fp->
amount = amount * 65536.0;
221 const char *effect = fp->
amount == 0 ?
"none" : fp->
amount < 0 ?
"blur" :
"sharpen";
225 "Invalid even size for %s matrix size %dx%d\n",
235 if (!fp->
sr || !fp->
sc)
240 sizeof(*(fp->
sc[z])))))
278 for (z = 0; z < 2 * fp->
steps_y * nb_threads; z++)
318 #define OFFSET(x) offsetof(UnsharpContext, x) 319 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM 333 {
"chroma_amount",
"set chroma effect strength",
OFFSET(camount),
AV_OPT_TYPE_FLOAT, { .dbl = 0 }, -2, 5, FLAGS },
363 .priv_class = &unsharp_class,
367 .
inputs = avfilter_vf_unsharp_inputs,
368 .
outputs = avfilter_vf_unsharp_outputs,
int(* unsharp_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
#define AV_PIX_FMT_YUV440P10
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
This structure describes decoded (raw) audio or video data.
static const AVFilterPad avfilter_vf_unsharp_inputs[]
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Main libavfilter public API header.
Memory handling functions.
static void free_filter_param(UnsharpFilterParam *fp, int nb_threads)
static av_cold int init(AVFilterContext *ctx)
int h
agreed upon image height
UnsharpFilterParam luma
luma parameters (width, height, amount)
uint32_t * sr
finite state machine storage within a row
#define AV_PIX_FMT_YUV420P12
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.
int(* apply_unsharp)(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
#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.
AVFilterLink ** inputs
array of pointers to input links
int steps_x
horizontal step count
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
#define DEF_UNSHARP_SLICE_FUNC(name, nbits)
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
static const AVFilterPad avfilter_vf_unsharp_outputs[]
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range...
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
#define AV_LOG_VERBOSE
Detailed information.
#define AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV422P12
A filter pad used for either input or output.
A link between two filters.
int scalebits
bits to shift pixel
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
int32_t halfscale
amount to add to pixel
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
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
#define AV_PIX_FMT_YUV444P10
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
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
uint32_t ** sc
finite state machine storage across rows
static av_cold void uninit(AVFilterContext *ctx)
static int apply_unsharp_c(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
static int filter_frame(AVFilterLink *link, AVFrame *in)
#define AV_PIX_FMT_YUV444P9
static const AVOption unsharp_options[]
static const AVFilterPad outputs[]
int format
agreed upon media format
AVFILTER_DEFINE_CLASS(unsharp)
#define AV_PIX_FMT_YUV420P16
Used for passing data between threads.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
static int config_input(AVFilterLink *inlink)
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
int steps_y
vertical step count
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 inputs
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
#define AV_PIX_FMT_YUV420P10
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
static void set_filter_param(UnsharpFilterParam *fp, int msize_x, int msize_y, float amount)
static int init_filter_param(AVFilterContext *ctx, UnsharpFilterParam *fp, const char *effect_type, int width)
UnsharpFilterParam chroma
chroma parameters (width, height, amount)
static int query_formats(AVFilterContext *ctx)
const char * name
Filter name.
#define AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_YUV420P9
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
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.
#define AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV444P12
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
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
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
common internal and external API header
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)
avfilter_execute_func * execute
AVFilterContext * dst
dest filter
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
#define av_malloc_array(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 they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later.That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another.Frame references ownership and permissions
int depth
Number of bits in the component.
AVPixelFormat
Pixel format.
#define AV_PIX_FMT_YUV422P16
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
void * av_mallocz_array(size_t nmemb, size_t size)
#define AV_CEIL_RSHIFT(a, b)