67 if (
s->fillcolor_enable) {
85 if (!strcmp(
ctx->filter->name,
"vstack"))
88 if (!strcmp(
ctx->filter->name,
"hstack"))
99 if (!strcmp(
ctx->filter->name,
"xstack")) {
100 if (strcmp(
s->fillcolor_str,
"none") &&
102 s->fillcolor_enable = 1;
104 s->fillcolor_enable = 0;
107 if (
s->nb_inputs == 2) {
118 for (
i = 0;
i <
s->nb_inputs;
i++) {
140 const int start = (
s->nb_inputs * job ) / nb_jobs;
141 const int end = (
s->nb_inputs * (job+1)) / nb_jobs;
143 for (
int i = start;
i < end;
i++) {
146 for (
int p = 0; p <
s->nb_planes; p++) {
167 for (
i = 0;
i <
s->nb_inputs;
i++) {
178 if (
s->fillcolor_enable)
180 0, 0, outlink->
w, outlink->
h);
202 if (
s->is_vertical) {
203 for (
i = 0;
i <
s->nb_inputs;
i++) {
226 }
else if (
s->is_horizontal) {
227 for (
i = 0;
i <
s->nb_inputs;
i++) {
252 char *
arg, *p =
s->layout, *saveptr =
NULL;
253 char *arg2, *p2, *saveptr2 =
NULL;
254 char *arg3, *p3, *saveptr3 =
NULL;
257 if (
s->fillcolor_enable) {
262 for (
i = 0;
i <
s->nb_inputs;
i++) {
281 for (
int j = 0; j < 2; j++) {
282 if (!(arg2 =
av_strtok(p2,
"_", &saveptr2)))
287 while ((arg3 =
av_strtok(p3,
"+", &saveptr3))) {
289 if (sscanf(arg3,
"w%d", &
size) == 1) {
290 if (
size ==
i || size < 0 || size >=
s->nb_inputs)
297 }
else if (sscanf(arg3,
"h%d", &
size) == 1) {
298 if (
size ==
i || size < 0 || size >=
s->nb_inputs)
305 }
else if (sscanf(arg3,
"%d", &
size) == 1) {
324 item->
y[0] = item->
y[3] = inh;
338 for (
i = 1;
i <
s->nb_inputs;
i++) {
343 "Video inputs have different frame rates, output will be VFR\n");
356 for (
i = 0;
i <
s->nb_inputs;
i++) {
380 for (
i = 0;
i <
ctx->nb_inputs;
i++)
390 #define OFFSET(x) offsetof(StackContext, x)
391 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
394 {
"shortest",
"force termination when the shortest input terminates",
OFFSET(shortest),
AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, .flags =
FLAGS },
407 #if CONFIG_HSTACK_FILTER
409 #define hstack_options stack_options
416 .priv_class = &hstack_class,
427 #if CONFIG_VSTACK_FILTER
429 #define vstack_options stack_options
436 .priv_class = &vstack_class,
447 #if CONFIG_XSTACK_FILTER
449 static const AVOption xstack_options[] = {
452 {
"shortest",
"force termination when the shortest input terminates",
OFFSET(shortest),
AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, .flags =
FLAGS },
463 .priv_class = &xstack_class,
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_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_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags)
Init a draw context.
void ff_draw_color(FFDrawContext *draw, FFDrawColor *color, const uint8_t rgba[4])
Prepare a color.
void ff_fill_rectangle(FFDrawContext *draw, FFDrawColor *color, uint8_t *dst[], int dst_linesize[], int dst_x, int dst_y, int w, int h)
Fill a rectangle with an uniform color.
AVFilterFormats * ff_draw_supported_pixel_formats(unsigned flags)
Return the list of pixel formats supported by the draw functions.
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_DYNAMIC_INPUTS
The number of the filter inputs is not determined just by AVFilter.inputs.
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
#define AV_LOG_VERBOSE
Detailed information.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
static AVRational av_make_q(int num, int den)
Create an AVRational.
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
char * av_strdup(const char *s)
Duplicate a string.
void * av_calloc(size_t nmemb, size_t size)
Non-inlined equivalent of av_mallocz_array().
void av_image_copy_plane(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int bytewidth, int height)
Copy image plane from src to dst.
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().
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.
int av_parse_color(uint8_t *rgba_color, const char *color_string, int slen, void *log_ctx)
Put the RGBA values that correspond to color_string in rgba_color.
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,...
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).
const AVPixFmtDescriptor * desc
static const AVOption stack_options[]
static int process_slice(AVFilterContext *ctx, void *arg, int job, int nb_jobs)
static int query_formats(AVFilterContext *ctx)
static const AVFilterPad outputs[]
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.