51 typedef void (*
f0r_update_f)(f0r_instance_t instance,
double time,
const uint32_t *inframe, uint32_t *outframe);
52 typedef void (*
f0r_update2_f)(f0r_instance_t instance,
double time,
const uint32_t *inframe1,
const uint32_t *inframe2,
const uint32_t *inframe3, uint32_t *outframe);
83 void *sym = dlsym(
s->dl_handle, sym_name);
94 f0r_param_color_t col;
95 f0r_param_position_t
pos;
103 if (!strcmp(param,
"y"))
val.d = 1.0;
104 else if (!strcmp(param,
"n"))
val.d = 0.0;
108 case F0R_PARAM_DOUBLE:
110 if (*tail ||
val.d == HUGE_VAL)
114 case F0R_PARAM_COLOR:
115 if (sscanf(param,
"%f/%f/%f", &
val.col.r, &
val.col.g, &
val.col.b) != 3) {
118 val.col.r = rgba[0] / 255.0;
119 val.col.g = rgba[1] / 255.0;
120 val.col.b = rgba[2] / 255.0;
124 case F0R_PARAM_POSITION:
125 if (sscanf(param,
"%lf/%lf", &
val.pos.x, &
val.pos.y) != 2)
129 case F0R_PARAM_STRING:
151 for (
i = 0;
i <
s->plugin_info.num_params;
i++) {
152 f0r_param_info_t info;
156 s->get_param_info(&info,
i);
179 *handle_ptr = dlopen(path, RTLD_NOW|RTLD_LOCAL);
185 const char *dl_name,
int type)
190 f0r_plugin_info_t *pi;
194 static const char*
const frei0r_pathlist[] = {
195 "/usr/local/lib/frei0r-1/",
196 "/usr/lib/frei0r-1/",
197 "/usr/local/lib64/frei0r-1/",
198 "/usr/lib64/frei0r-1/"
207 if ((path =
av_strdup(getenv(
"FREI0R_PATH")))) {
209 const char *separator =
";";
211 const char *separator =
":";
213 char *p, *ptr =
NULL;
214 for (p = path; p =
av_strtok(p, separator, &ptr); p =
NULL) {
234 if (!
s->dl_handle && (path = getenv(
"HOME"))) {
235 char *prefix =
av_asprintf(
"%s/.frei0r-1/lib/", path);
254 !(f0r_get_plugin_info =
load_sym(
ctx,
"f0r_get_plugin_info")) ||
255 !(
s->get_param_info =
load_sym(
ctx,
"f0r_get_param_info" )) ||
256 !(
s->get_param_value =
load_sym(
ctx,
"f0r_get_param_value")) ||
257 !(
s->set_param_value =
load_sym(
ctx,
"f0r_set_param_value")) ||
264 if (f0r_init() < 0) {
269 f0r_get_plugin_info(&
s->plugin_info);
270 pi = &
s->plugin_info;
271 if (pi->plugin_type !=
type) {
273 "Invalid type '%s' for this plugin\n",
274 pi->plugin_type == F0R_PLUGIN_TYPE_FILTER ?
"filter" :
275 pi->plugin_type == F0R_PLUGIN_TYPE_SOURCE ?
"source" :
276 pi->plugin_type == F0R_PLUGIN_TYPE_MIXER2 ?
"mixer2" :
277 pi->plugin_type == F0R_PLUGIN_TYPE_MIXER3 ?
"mixer3" :
"unknown");
282 "name:%s author:'%s' explanation:'%s' color_model:%s "
283 "frei0r_version:%d version:%d.%d num_params:%d\n",
284 pi->name, pi->author, pi->explanation,
285 pi->color_model == F0R_COLOR_MODEL_BGRA8888 ?
"bgra8888" :
286 pi->color_model == F0R_COLOR_MODEL_RGBA8888 ?
"rgba8888" :
287 pi->color_model == F0R_COLOR_MODEL_PACKED32 ?
"packed32" :
"unknown",
288 pi->frei0r_version, pi->major_version, pi->minor_version, pi->num_params);
304 if (
s->destruct &&
s->instance)
305 s->destruct(
s->instance);
309 dlclose(
s->dl_handle);
317 if (
s->destruct &&
s->instance)
318 s->destruct(
s->instance);
319 if (!(
s->instance =
s->construct(inlink->
w, inlink->
h))) {
333 if (
s->plugin_info.color_model == F0R_COLOR_MODEL_BGRA8888) {
336 }
else if (
s->plugin_info.color_model == F0R_COLOR_MODEL_RGBA8888) {
366 (
const uint32_t *)
in->data[0],
367 (uint32_t *)
out->data[0]);
375 char *res,
int res_len,
int flags)
387 #define OFFSET(x) offsetof(Frei0rContext, x)
388 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
389 #define TFLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM
423 .priv_class = &frei0r_class,
434 s->time_base.num =
s->framerate.den;
435 s->time_base.den =
s->framerate.num;
453 if (
s->destruct &&
s->instance)
454 s->destruct(
s->instance);
455 if (!(
s->instance =
s->construct(outlink->
w, outlink->
h))) {
505 .
name =
"frei0r_src",
508 .priv_class = &frei0r_src_class,
static double val(void *priv, double ch)
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
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.
Main libavfilter public API header.
static av_cold int init(AVCodecContext *avctx)
char * av_asprintf(const char *fmt,...)
#define flags(name, subs,...)
common internal and external API header
double av_strtod(const char *numstr, char **tail)
Parse the string in numstr and return its value as a double.
simple arithmetic expression evaluator
@ AV_OPT_TYPE_IMAGE_SIZE
offset must point to two consecutive integers
@ AV_OPT_TYPE_VIDEO_RATE
offset must point to AVRational
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
#define AV_LOG_VERBOSE
Detailed information.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
static double av_q2d(AVRational a)
Convert an AVRational to a double.
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
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.
int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx)
Check if the given dimension of an image is valid, meaning that all bytes of the image can be address...
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().
char * av_get_token(const char **buf, const char *term)
Unescape the given string until a non escaped terminating char, and return the token corresponding to...
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static enum AVPixelFormat pix_fmts[]
Memory handling functions.
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.
AVPixelFormat
Pixel format.
@ AV_PIX_FMT_ARGB
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
@ AV_PIX_FMT_BGRA
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
@ AV_PIX_FMT_ABGR
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
@ AV_PIX_FMT_RGBA
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
typedef void(RENAME(mix_any_func_type))
#define FF_ARRAY_ELEMS(a)
Describe the class of an AVClass context structure.
void * priv
private data for use by the filter
AVFilterLink ** outputs
array of pointers to output links
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
A filter pad used for either input or output.
const char * name
Pad name.
const char * name
Filter name.
This structure describes decoded (raw) audio or video data.
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
AVRational sample_aspect_ratio
Sample aspect ratio for the video frame, 0/1 if unknown/unspecified.
Rational number (pair of numerator and denominator).
f0r_construct_f construct
f0r_set_param_value_f set_param_value
f0r_get_param_info_f get_param_info
f0r_plugin_info_t plugin_info
f0r_get_param_value_f get_param_value
static const AVFilterPad avfilter_vf_frei0r_inputs[]
void(* f0r_get_param_info_f)(f0r_param_info_t *info, int param_index)
void(* f0r_update_f)(f0r_instance_t instance, double time, const uint32_t *inframe, uint32_t *outframe)
AVFilter ff_vsrc_frei0r_src
void(* f0r_get_param_value_f)(f0r_instance_t instance, f0r_param_t param, int param_index)
void(* f0r_set_param_value_f)(f0r_instance_t instance, f0r_param_t param, int param_index)
f0r_instance_t(* f0r_construct_f)(unsigned int width, unsigned int height)
static int set_param(AVFilterContext *ctx, f0r_param_info_t info, int index, char *param)
static const AVOption frei0r_options[]
static int set_params(AVFilterContext *ctx, const char *params)
static int config_input_props(AVFilterLink *inlink)
static int load_path(AVFilterContext *ctx, void **handle_ptr, const char *prefix, const char *name)
static void * load_sym(AVFilterContext *ctx, const char *sym_name)
static int query_formats(AVFilterContext *ctx)
void(* f0r_deinit_f)(void)
static av_cold int source_init(AVFilterContext *ctx)
static av_cold int frei0r_init(AVFilterContext *ctx, const char *dl_name, int type)
void(* f0r_get_plugin_info_f)(f0r_plugin_info_t *info)
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
static const AVOption frei0r_src_options[]
AVFILTER_DEFINE_CLASS(frei0r)
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
static av_cold void uninit(AVFilterContext *ctx)
static int source_request_frame(AVFilterLink *outlink)
void(* f0r_update2_f)(f0r_instance_t instance, double time, const uint32_t *inframe1, const uint32_t *inframe2, const uint32_t *inframe3, uint32_t *outframe)
static av_cold int filter_init(AVFilterContext *ctx)
static int source_config_props(AVFilterLink *outlink)
void(* f0r_destruct_f)(f0r_instance_t instance)
static const AVFilterPad avfilter_vf_frei0r_outputs[]
static const AVFilterPad avfilter_vsrc_frei0r_src_outputs[]
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.