78 for (
i = 0;
i <
s->nb_inputs;
i++) {
87 s->wfactor +=
s->weights[
i];
91 for (;
i <
s->nb_inputs;
i++) {
92 s->weights[
i] =
s->weights[last];
93 s->wfactor +=
s->weights[
i];
96 s->wfactor = 1 /
s->wfactor;
98 s->wfactor =
s->scale;
109 s->tmix = !strcmp(
ctx->filter->name,
"tmix");
111 s->frames =
av_calloc(
s->nb_inputs,
sizeof(*
s->frames));
115 s->weights =
av_calloc(
s->nb_inputs,
sizeof(*
s->weights));
120 for (
int i = 0;
i <
s->nb_inputs;
i++) {
151 for (p = 0; p <
s->nb_planes; p++) {
152 const int slice_start = (
s->height[p] * jobnr) / nb_jobs;
153 const int slice_end = (
s->height[p] * (jobnr+1)) / nb_jobs;
154 uint8_t *dst =
out->data[p] + slice_start *
out->linesize[p];
156 for (y = slice_start; y <
slice_end; y++) {
157 for (x = 0; x <
s->linesize[p]; x++) {
160 for (
i = 0;
i <
s->nb_inputs;
i++) {
169 dst +=
out->linesize[p];
173 for (p = 0; p <
s->nb_planes; p++) {
174 const int slice_start = (
s->height[p] * jobnr) / nb_jobs;
175 const int slice_end = (
s->height[p] * (jobnr+1)) / nb_jobs;
176 uint16_t *dst = (uint16_t *)(
out->data[p] + slice_start *
out->linesize[p]);
178 for (y = slice_start; y <
slice_end; y++) {
179 for (x = 0; x <
s->linesize[p] / 2; x++) {
182 for (
i = 0;
i <
s->nb_inputs;
i++) {
191 dst +=
out->linesize[p] / 2;
209 for (
i = 0;
i <
s->nb_inputs;
i++) {
214 if (
ctx->is_disabled) {
247 for (
i = 1;
i <
s->nb_inputs;
i++) {
259 s->depth =
s->desc->comp[0].depth;
260 s->max = (1 <<
s->depth) - 1;
266 s->height[0] =
s->height[3] = inlink->
h;
283 for (
i = 0;
i <
s->nb_inputs;
i++) {
307 for (
i = 0;
i <
ctx->nb_inputs;
i++)
310 for (
i = 0;
i <
s->nb_frames &&
s->frames;
i++)
317 char *res,
int res_len,
int flags)
334 #define OFFSET(x) offsetof(MixContext, x)
335 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
336 #define TFLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM
358 #if CONFIG_MIX_FILTER
365 .priv_class = &mix_class,
378 #if CONFIG_TMIX_FILTER
387 if (
s->nb_inputs == 1)
390 if (
s->nb_frames <
s->nb_inputs) {
391 s->frames[
s->nb_frames] =
in;
393 if (
s->nb_frames <
s->nb_inputs)
397 memmove(&
s->frames[0], &
s->frames[1],
sizeof(*
s->frames) * (
s->nb_inputs - 1));
398 s->frames[
s->nb_inputs - 1] =
in;
401 if (
ctx->is_disabled) {
411 out->pts =
s->frames[0]->pts;
420 static const AVOption tmix_options[] = {
431 .filter_frame = tmix_filter_frame,
442 .priv_class = &tmix_class,
static double val(void *priv, double ch)
static const AVFilterPad 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
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options.
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Main libavfilter public API header.
char * av_asprintf(const char *fmt,...)
#define flags(name, subs,...)
#define fs(width, name, subs,...)
#define AV_CEIL_RSHIFT(a, b)
int ff_framesync_configure(FFFrameSync *fs)
Configure a frame sync structure.
int ff_framesync_activate(FFFrameSync *fs)
Examine the frames in the filter's input and try to produce output.
int ff_framesync_get_frame(FFFrameSync *fs, unsigned in, AVFrame **rframe, unsigned get)
Get the current frame in an input.
void ff_framesync_uninit(FFFrameSync *fs)
Free all memory currently allocated.
int ff_framesync_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in)
Initialize a frame sync structure.
@ EXT_STOP
Completely stop all streams with this one.
@ EXT_INFINITY
Extend the frame to infinity.
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
#define AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will have its filter_frame() c...
#define AVFILTER_FLAG_DYNAMIC_INPUTS
The number of the filter inputs is not determined just by AVFilter.inputs.
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
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.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
void * av_calloc(size_t nmemb, size_t size)
Non-inlined equivalent of av_mallocz_array().
int av_image_fill_linesizes(int linesizes[4], enum AVPixelFormat pix_fmt, int width)
Fill plane linesizes for an image with pixel format pix_fmt and width width.
char * av_strtok(char *s, const char *delim, char **saveptr)
Split the string into several tokens which can be accessed by successive calls to av_strtok().
int av_sscanf(const char *string, const char *format,...)
See libc sscanf manual for more information.
static int mix(int c0, int c1)
static int ff_insert_inpad(AVFilterContext *f, unsigned index, AVFilterPad *p)
Insert a new input pad for the filter.
#define AVFILTER_DEFINE_CLASS(fname)
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
#define AV_PIX_FMT_FLAG_BITSTREAM
All values of a component are bit-wise packed end to end.
#define AV_PIX_FMT_FLAG_HWACCEL
Pixel format is an HW accelerated format.
#define AV_PIX_FMT_FLAG_PAL
Pixel format has a palette in data[1], values are indexes in this palette.
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
AVRational time_base
Define the time base used by the PTS of the frames/samples which will pass through this link.
AVRational sample_aspect_ratio
agreed upon sample aspect ratio
AVRational frame_rate
Frame rate of the stream on the link, or 1/0 if unknown or variable; if left to 0/0,...
AVFilterContext * dst
dest filter
int format
agreed upon media format
A filter pad used for either input or output.
enum AVMediaType type
AVFilterPad type.
const char * name
Pad name.
const char * name
Filter name.
AVFormatInternal * internal
An opaque field for libavformat internal usage.
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...
Rational number (pair of numerator and denominator).
int nb_inputs
number of inputs
const AVPixFmtDescriptor * desc
char * weights_str
string for custom weights for every input
float * weights
custom weights for every input
Used for passing data between threads.
static int query_formats(AVFilterContext *ctx)
static const AVFilterPad outputs[]
static int parse_weights(AVFilterContext *ctx)
static const AVOption mix_options[]
static int mix_frames(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
static int activate(AVFilterContext *ctx)
static av_cold int init(AVFilterContext *ctx)
static av_cold void uninit(AVFilterContext *ctx)
static int config_output(AVFilterLink *outlink)
static int process_frame(FFFrameSync *fs)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.