if (s->input_state[i] == INPUT_OFF)
continue;
while (!ret && av_audio_fifo_size(s->fifos[i]) < min_samples)
- ret = avfilter_request_frame(ctx->inputs[i]);
+ ret = ff_request_frame(ctx->inputs[i]);
if (ret == AVERROR_EOF) {
if (av_audio_fifo_size(s->fifos[i]) == 0) {
s->input_state[i] = INPUT_OFF;
}
if (s->frame_list->nb_frames == 0) {
- ret = avfilter_request_frame(ctx->inputs[0]);
+ ret = ff_request_frame(ctx->inputs[0]);
if (ret == AVERROR_EOF) {
s->input_state[0] = INPUT_OFF;
if (s->nb_inputs == 1)
#include "audio.h"
#include "avfilter.h"
+#include "internal.h"
typedef struct ASyncContext {
const AVClass *class;
{
AVFilterContext *ctx = link->src;
ASyncContext *s = ctx->priv;
- int ret = avfilter_request_frame(ctx->inputs[0]);
+ int ret = ff_request_frame(ctx->inputs[0]);
int nb_samples;
/* flush the fifo */
{
AVFilterContext *ctx = outlink->src;
ResampleContext *s = ctx->priv;
- int ret = avfilter_request_frame(ctx->inputs[0]);
+ int ret = ff_request_frame(ctx->inputs[0]);
/* flush the lavr delay buffer */
if (ret == AVERROR_EOF && s->avr) {
}
}
-int avfilter_request_frame(AVFilterLink *link)
+int ff_request_frame(AVFilterLink *link)
{
FF_DPRINTF_START(NULL, request_frame); ff_dlog_link(NULL, link, 1);
if (link->srcpad->request_frame)
return link->srcpad->request_frame(link);
else if (link->src->inputs[0])
- return avfilter_request_frame(link->src->inputs[0]);
+ return ff_request_frame(link->src->inputs[0]);
else return -1;
}
-int avfilter_poll_frame(AVFilterLink *link)
+int ff_poll_frame(AVFilterLink *link)
{
int i, min = INT_MAX;
int val;
if (!link->src->inputs[i])
return -1;
- val = avfilter_poll_frame(link->src->inputs[i]);
+ val = ff_poll_frame(link->src->inputs[i]);
min = FFMIN(min, val);
}
ff_insert_pad(index, &f->output_count, offsetof(AVFilterLink, srcpad),
&f->output_pads, &f->outputs, p);
}
+int avfilter_poll_frame(AVFilterLink *link)
+{
+ return ff_poll_frame(link);
+}
+int avfilter_request_frame(AVFilterLink *link)
+{
+ return ff_request_frame(link);
+}
#endif
enum AVSampleFormat sample_fmt,
uint64_t channel_layout);
-/**
- * Request an input frame from the filter at the other end of the link.
- *
- * @param link the input link
- * @return zero on success
- */
+#if FF_API_FILTERS_PUBLIC
+attribute_deprecated
int avfilter_request_frame(AVFilterLink *link);
-/**
- * Poll a frame from the filter chain.
- *
- * @param link the input link
- * @return the number of immediately available frames, a negative
- * number in case of error
- */
+attribute_deprecated
int avfilter_poll_frame(AVFilterLink *link);
-/**
- * Notify the next filter of the start of a frame.
- *
- * @param link the output link the frame will be sent over
- * @param picref A reference to the frame about to be sent. The data for this
- * frame need only be valid once draw_slice() is called for that
- * portion. The receiving filter will free this reference when
- * it no longer needs it.
- */
+attribute_deprecated
void avfilter_start_frame(AVFilterLink *link, AVFilterBufferRef *picref);
-
-/**
- * Notifie the next filter that the current frame has finished.
- *
- * @param link the output link the frame was sent over
- */
+attribute_deprecated
void avfilter_end_frame(AVFilterLink *link);
-
-/**
- * Send a slice to the next filter.
- *
- * Slices have to be provided in sequential order, either in
- * top-bottom or bottom-top order. If slices are provided in
- * non-sequential order the behavior of the function is undefined.
- *
- * @param link the output link over which the frame is being sent
- * @param y offset in pixels from the top of the image for this slice
- * @param h height of this slice in pixels
- * @param slice_dir the assumed direction for sending slices,
- * from the top slice to the bottom slice if the value is 1,
- * from the bottom slice to the top slice if the value is -1,
- * for other values the behavior of the function is undefined.
- */
+attribute_deprecated
void avfilter_draw_slice(AVFilterLink *link, int y, int h, int slice_dir);
+#endif
/** Initialize the filter system. Register all builtin filters. */
void avfilter_register_all(void);
#include "audio.h"
#include "avfilter.h"
#include "buffersink.h"
+#include "internal.h"
typedef struct {
AVFifoBuffer *fifo; ///< FIFO buffer of frame references
if (av_fifo_size(sink->fifo))
return av_fifo_size(sink->fifo)/sizeof(*buf);
else
- return avfilter_poll_frame(ctx->inputs[0]);
+ return ff_poll_frame(ctx->inputs[0]);
}
if (!av_fifo_size(sink->fifo) &&
- (ret = avfilter_request_frame(link)) < 0)
+ (ret = ff_request_frame(link)) < 0)
return ret;
if (!av_fifo_size(sink->fifo))
#include "avfilter.h"
#include "buffersrc.h"
#include "formats.h"
+#include "video.h"
#include "vsrc_buffer.h"
#include "libavutil/audioconvert.h"
switch (link->type) {
case AVMEDIA_TYPE_VIDEO:
- avfilter_start_frame(link, avfilter_ref_buffer(buf, ~0));
- avfilter_draw_slice(link, 0, link->h, 1);
- avfilter_end_frame(link);
+ ff_start_frame(link, avfilter_ref_buffer(buf, ~0));
+ ff_draw_slice(link, 0, link->h, 1);
+ ff_end_frame(link);
break;
case AVMEDIA_TYPE_AUDIO:
ff_filter_samples(link, avfilter_ref_buffer(buf, ~0));
&f->output_pads, &f->outputs, p);
}
+/**
+ * Poll a frame from the filter chain.
+ *
+ * @param link the input link
+ * @return the number of immediately available frames, a negative
+ * number in case of error
+ */
+int ff_poll_frame(AVFilterLink *link);
+
+/**
+ * Request an input frame from the filter at the other end of the link.
+ *
+ * @param link the input link
+ * @return zero on success
+ */
+int ff_request_frame(AVFilterLink *link);
+
#endif /* AVFILTER_INTERNAL_H */
int i;
for (i = 0; i < ctx->output_count; i++)
- avfilter_start_frame(ctx->outputs[i],
- avfilter_ref_buffer(picref, ~AV_PERM_WRITE));
+ ff_start_frame(ctx->outputs[i],
+ avfilter_ref_buffer(picref, ~AV_PERM_WRITE));
}
static void draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
int i;
for (i = 0; i < ctx->output_count; i++)
- avfilter_draw_slice(ctx->outputs[i], y, h, slice_dir);
+ ff_draw_slice(ctx->outputs[i], y, h, slice_dir);
}
static void end_frame(AVFilterLink *inlink)
int i;
for (i = 0; i < ctx->output_count; i++)
- avfilter_end_frame(ctx->outputs[i]);
+ ff_end_frame(ctx->outputs[i]);
avfilter_unref_buffer(inlink->cur_buf);
}
AspectContext *aspect = link->dst->priv;
picref->video->pixel_aspect = aspect->aspect;
- avfilter_start_frame(link->dst->outputs[0], picref);
+ ff_start_frame(link->dst->outputs[0], picref);
}
#if CONFIG_SETDAR_FILTER
p += picref->linesize[0];
}
- avfilter_draw_slice(ctx->outputs[0], y, h, slice_dir);
+ ff_draw_slice(ctx->outputs[0], y, h, slice_dir);
}
static void end_frame(AVFilterLink *inlink)
blackframe->frame++;
blackframe->nblack = 0;
- avfilter_end_frame(inlink->dst->outputs[0]);
+ ff_end_frame(inlink->dst->outputs[0]);
}
AVFilter avfilter_vf_blackframe = {
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
+#include "video.h"
static const char *const var_names[] = {
"w",
w[plane], h[plane], boxblur->radius[plane], boxblur->power[plane],
boxblur->temp);
- avfilter_draw_slice(outlink, y0, h0, slice_dir);
+ ff_draw_slice(outlink, y0, h0, slice_dir);
}
AVFilter avfilter_vf_boxblur = {
ref2->data[3] += crop->x * crop->max_step[3];
}
- avfilter_start_frame(link->dst->outputs[0], ref2);
+ ff_start_frame(link->dst->outputs[0], ref2);
}
static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
if (y + h > crop->y + crop->h)
h = crop->y + crop->h - y;
- avfilter_draw_slice(ctx->outputs[0], y - crop->y, h, slice_dir);
+ ff_draw_slice(ctx->outputs[0], y - crop->y, h, slice_dir);
}
static void end_frame(AVFilterLink *link)
crop->var_values[VAR_N] += 1.0;
avfilter_unref_buffer(link->cur_buf);
- avfilter_end_frame(link->dst->outputs[0]);
+ ff_end_frame(link->dst->outputs[0]);
}
AVFilter avfilter_vf_crop = {
w, h, x, y);
}
- avfilter_end_frame(inlink->dst->outputs[0]);
+ ff_end_frame(inlink->dst->outputs[0]);
}
AVFilter avfilter_vf_cropdetect = {
outpicref = inpicref;
outlink->out_buf = outpicref;
- avfilter_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
+ ff_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
}
static void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { }
delogo->show, direct);
}
- avfilter_draw_slice(outlink, 0, inlink->h, 1);
- avfilter_end_frame(outlink);
+ ff_draw_slice(outlink, 0, inlink->h, 1);
+ ff_end_frame(outlink);
avfilter_unref_buffer(inpicref);
if (!direct)
avfilter_unref_buffer(outpicref);
}
}
- avfilter_draw_slice(inlink->dst->outputs[0], y0, h, 1);
+ ff_draw_slice(inlink->dst->outputs[0], y0, h, 1);
}
AVFilter avfilter_vf_drawbox = {
(int)dtext->var_values[VAR_N], dtext->var_values[VAR_T],
dtext->x, dtext->y, dtext->x+dtext->w, dtext->y+dtext->h);
- avfilter_start_frame(inlink->dst->outputs[0], inpicref);
+ ff_start_frame(inlink->dst->outputs[0], inpicref);
}
static void end_frame(AVFilterLink *inlink)
dtext->var_values[VAR_N] += 1.0;
- avfilter_draw_slice(outlink, 0, picref->video->h, 1);
- avfilter_end_frame(outlink);
+ ff_draw_slice(outlink, 0, picref->video->h, 1);
+ ff_end_frame(outlink);
}
AVFilter avfilter_vf_drawtext = {
}
}
- avfilter_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
+ ff_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
}
static void end_frame(AVFilterLink *inlink)
{
FadeContext *fade = inlink->dst->priv;
- avfilter_end_frame(inlink->dst->outputs[0]);
+ ff_end_frame(inlink->dst->outputs[0]);
if (fade->frame_index >= fade->start_frame &&
fade->frame_index <= fade->stop_frame)
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
+#include "video.h"
typedef struct
{
outpicref = avfilter_ref_buffer(inpicref, ~0);
outlink->out_buf = outpicref;
- avfilter_start_frame(outlink, outpicref);
+ ff_start_frame(outlink, outpicref);
}
static void draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
* and that complexity will be added later */
if ( !inpicref->video->interlaced
|| inpicref->video->top_field_first == fieldorder->dst_tff) {
- avfilter_draw_slice(outlink, y, h, slice_dir);
+ ff_draw_slice(outlink, y, h, slice_dir);
}
}
}
}
outpicref->video->top_field_first = fieldorder->dst_tff;
- avfilter_draw_slice(outlink, 0, h, 1);
+ ff_draw_slice(outlink, 0, h, 1);
} else {
av_dlog(ctx,
"not interlaced or field order already correct\n");
}
- avfilter_end_frame(outlink);
+ ff_end_frame(outlink);
avfilter_unref_buffer(inpicref);
}
*/
#include "avfilter.h"
+#include "internal.h"
#include "video.h"
typedef struct BufPic {
int ret;
if (!fifo->root.next) {
- if ((ret = avfilter_request_frame(outlink->src->inputs[0]) < 0))
+ if ((ret = ff_request_frame(outlink->src->inputs[0]) < 0))
return ret;
}
/* by doing this, we give ownership of the reference to the next filter,
* so we don't have to worry about dereferencing it ourselves. */
- avfilter_start_frame(outlink, fifo->root.next->picref);
- avfilter_draw_slice (outlink, 0, outlink->h, 1);
- avfilter_end_frame (outlink);
+ ff_start_frame(outlink, fifo->root.next->picref);
+ ff_draw_slice (outlink, 0, outlink->h, 1);
+ ff_end_frame (outlink);
if (fifo->last == fifo->root.next)
fifo->last = &fifo->root;
#include "libavutil/parseutils.h"
#include "avfilter.h"
+#include "internal.h"
+#include "video.h"
typedef struct FPSContext {
const AVClass *class;
int ret = 0;
while (ret >= 0 && s->frames_out == frames_out)
- ret = avfilter_request_frame(ctx->inputs[0]);
+ ret = ff_request_frame(ctx->inputs[0]);
/* flush the fifo */
if (ret == AVERROR_EOF && av_fifo_size(s->fifo)) {
buf->pts = av_rescale_q(s->first_pts, ctx->inputs[0]->time_base,
outlink->time_base) + s->frames_out;
- avfilter_start_frame(outlink, buf);
- avfilter_draw_slice(outlink, 0, outlink->h, 1);
- avfilter_end_frame(outlink);
+ ff_start_frame(outlink, buf);
+ ff_draw_slice(outlink, 0, outlink->h, 1);
+ ff_end_frame(outlink);
s->frames_out++;
}
return 0;
buf_out->pts = av_rescale_q(s->first_pts, inlink->time_base,
outlink->time_base) + s->frames_out;
- avfilter_start_frame(outlink, buf_out);
- avfilter_draw_slice(outlink, 0, outlink->h, 1);
- avfilter_end_frame(outlink);
+ ff_start_frame(outlink, buf_out);
+ ff_draw_slice(outlink, 0, outlink->h, 1);
+ ff_end_frame(outlink);
s->frames_out++;
}
flush_fifo(s->fifo);
#include "libavutil/parseutils.h"
#include "avfilter.h"
#include "formats.h"
+#include "video.h"
typedef f0r_instance_t (*f0r_construct_f)(unsigned int width, unsigned int height);
typedef void (*f0r_destruct_f)(f0r_instance_t instance);
(const uint32_t *)inpicref->data[0],
(uint32_t *)outpicref->data[0]);
avfilter_unref_buffer(inpicref);
- avfilter_draw_slice(outlink, 0, outlink->h, 1);
- avfilter_end_frame(outlink);
+ ff_draw_slice(outlink, 0, outlink->h, 1);
+ ff_end_frame(outlink);
avfilter_unref_buffer(outpicref);
}
picref->pts = frei0r->pts++;
picref->pos = -1;
- avfilter_start_frame(outlink, avfilter_ref_buffer(picref, ~0));
+ ff_start_frame(outlink, avfilter_ref_buffer(picref, ~0));
frei0r->update(frei0r->instance, av_rescale_q(picref->pts, frei0r->time_base, (AVRational){1,1000}),
NULL, (uint32_t *)picref->data[0]);
- avfilter_draw_slice(outlink, 0, outlink->h, 1);
- avfilter_end_frame(outlink);
+ ff_draw_slice(outlink, 0, outlink->h, 1);
+ ff_end_frame(outlink);
avfilter_unref_buffer(picref);
return 0;
#include "avfilter.h"
#include "formats.h"
#include "gradfun.h"
+#include "video.h"
DECLARE_ALIGNED(16, static const uint16_t, dither)[8][8] = {
{0x00,0x60,0x18,0x78,0x06,0x66,0x1E,0x7E},
outpicref = inpicref;
outlink->out_buf = outpicref;
- avfilter_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
+ ff_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
}
static void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { }
av_image_copy_plane(outpic->data[p], outpic->linesize[p], inpic->data[p], inpic->linesize[p], w, h);
}
- avfilter_draw_slice(outlink, 0, inlink->h, 1);
- avfilter_end_frame(outlink);
+ ff_draw_slice(outlink, 0, inlink->h, 1);
+ ff_end_frame(outlink);
avfilter_unref_buffer(inpic);
if (outpic != inpic)
avfilter_unref_buffer(outpic);
#include "avfilter.h"
#include "formats.h"
+#include "video.h"
#include "libavutil/pixdesc.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/imgutils.h"
}
}
- avfilter_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
+ ff_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
}
AVFilter avfilter_vf_hflip = {
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
+#include "video.h"
typedef struct {
int Coefs[4][512*16];
hqdn3d->Coefs[2],
hqdn3d->Coefs[3]);
- avfilter_draw_slice(outlink, 0, inpic->video->h, 1);
- avfilter_end_frame(outlink);
+ ff_draw_slice(outlink, 0, inpic->video->h, 1);
+ ff_end_frame(outlink);
avfilter_unref_buffer(inpic);
avfilter_unref_buffer(outpic);
}
fill_picref_from_iplimage(outpicref, &outimg, inlink->format);
avfilter_unref_buffer(inpicref);
- avfilter_draw_slice(outlink, 0, outlink->h, 1);
- avfilter_end_frame(outlink);
+ ff_draw_slice(outlink, 0, outlink->h, 1);
+ ff_end_frame(outlink);
avfilter_unref_buffer(outpicref);
}
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
+#include "video.h"
static const char *const var_names[] = {
"E",
}
}
- avfilter_draw_slice(outlink, y, h, slice_dir);
+ ff_draw_slice(outlink, y, h, slice_dir);
}
#define DEFINE_LUT_FILTER(name_, description_, init_) \
#include "libavutil/imgutils.h"
#include "libavutil/mathematics.h"
#include "internal.h"
+#include "video.h"
static const char *const var_names[] = {
"E",
if (!over->overpicref || over->overpicref->pts < outpicref->pts) {
AVFilterBufferRef *old = over->overpicref;
over->overpicref = NULL;
- avfilter_request_frame(ctx->inputs[OVERLAY]);
+ ff_request_frame(ctx->inputs[OVERLAY]);
if (over->overpicref) {
if (old)
avfilter_unref_buffer(old);
over->overpicref = old;
}
- avfilter_start_frame(inlink->dst->outputs[0], outpicref);
+ ff_start_frame(inlink->dst->outputs[0], outpicref);
}
static void start_frame_overlay(AVFilterLink *inlink, AVFilterBufferRef *inpicref)
over->overpicref->video->w, over->overpicref->video->h,
y, outpicref->video->w, h);
}
- avfilter_draw_slice(outlink, y, h, slice_dir);
+ ff_draw_slice(outlink, y, h, slice_dir);
}
static void end_frame(AVFilterLink *inlink)
{
- avfilter_end_frame(inlink->dst->outputs[0]);
+ ff_end_frame(inlink->dst->outputs[0]);
avfilter_unref_buffer(inlink->cur_buf);
}
{
AVFilterContext *s = link->src;
OverlayContext *over = s->priv;
- int ret = avfilter_poll_frame(s->inputs[OVERLAY]);
+ int ret = ff_poll_frame(s->inputs[OVERLAY]);
if (ret == AVERROR_EOF)
ret = !!over->overpicref;
- return ret && avfilter_poll_frame(s->inputs[MAIN]);
+ return ret && ff_poll_frame(s->inputs[MAIN]);
}
AVFilter avfilter_vf_overlay = {
#include "avfilter.h"
#include "formats.h"
+#include "video.h"
#include "libavutil/avstring.h"
#include "libavutil/eval.h"
#include "libavutil/pixdesc.h"
outpicref->video->w = pad->w;
outpicref->video->h = pad->h;
- avfilter_start_frame(inlink->dst->outputs[0], outpicref);
+ ff_start_frame(inlink->dst->outputs[0], outpicref);
}
static void end_frame(AVFilterLink *link)
{
- avfilter_end_frame(link->dst->outputs[0]);
+ ff_end_frame(link->dst->outputs[0]);
avfilter_unref_buffer(link->cur_buf);
}
link->dst->outputs[0]->out_buf->linesize,
pad->line, pad->line_step, pad->hsub, pad->vsub,
0, bar_y, pad->w, bar_h);
- avfilter_draw_slice(link->dst->outputs[0], bar_y, bar_h, slice_dir);
+ ff_draw_slice(link->dst->outputs[0], bar_y, bar_h, slice_dir);
}
}
ff_draw_rectangle(outpic->data, outpic->linesize,
pad->line, pad->line_step, pad->hsub, pad->vsub,
pad->x + pad->in_w, y, pad->w - pad->x - pad->in_w, h);
- avfilter_draw_slice(link->dst->outputs[0], y, h, slice_dir);
+ ff_draw_slice(link->dst->outputs[0], y, h, slice_dir);
draw_send_bar_slice(link, y, h, slice_dir, -1);
}
#include "libavutil/pixdesc.h"
#include "avfilter.h"
+#include "video.h"
typedef struct {
const AVPixFmtDescriptor *pix_desc;
priv->pix_desc->flags & PIX_FMT_PSEUDOPAL)
memcpy(outpicref->data[1], outpicref->data[1], 256*4);
- avfilter_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
+ ff_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
}
static void draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
}
}
- avfilter_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
+ ff_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
}
AVFilter avfilter_vf_pixdesctest = {
#include "avfilter.h"
#include "formats.h"
+#include "video.h"
#include "libavutil/avstring.h"
#include "libavutil/eval.h"
#include "libavutil/mathematics.h"
AVFilterBufferRef *outpicref;
if (!scale->sws) {
- avfilter_start_frame(outlink, avfilter_ref_buffer(picref, ~0));
+ ff_start_frame(outlink, avfilter_ref_buffer(picref, ~0));
return;
}
INT_MAX);
scale->slice_y = 0;
- avfilter_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
+ ff_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
}
static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
const uint8_t *data[4];
if (!scale->sws) {
- avfilter_draw_slice(link->dst->outputs[0], y, h, slice_dir);
+ ff_draw_slice(link->dst->outputs[0], y, h, slice_dir);
return;
}
if (slice_dir == -1)
scale->slice_y -= out_h;
- avfilter_draw_slice(link->dst->outputs[0], scale->slice_y, out_h, slice_dir);
+ ff_draw_slice(link->dst->outputs[0], scale->slice_y, out_h, slice_dir);
if (slice_dir == 1)
scale->slice_y += out_h;
}
#include "libavutil/fifo.h"
#include "libavutil/mathematics.h"
#include "avfilter.h"
+#include "internal.h"
#include "video.h"
static const char *const var_names[] = {
sizeof(picref), NULL);
return;
}
- avfilter_start_frame(inlink->dst->outputs[0], avfilter_ref_buffer(picref, ~0));
+ ff_start_frame(inlink->dst->outputs[0], avfilter_ref_buffer(picref, ~0));
}
}
SelectContext *select = inlink->dst->priv;
if (select->select && !select->cache_frames)
- avfilter_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
+ ff_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
}
static void end_frame(AVFilterLink *inlink)
if (select->select) {
if (select->cache_frames)
return;
- avfilter_end_frame(inlink->dst->outputs[0]);
+ ff_end_frame(inlink->dst->outputs[0]);
}
avfilter_unref_buffer(picref);
}
if (av_fifo_size(select->pending_frames)) {
AVFilterBufferRef *picref;
av_fifo_generic_read(select->pending_frames, &picref, sizeof(picref), NULL);
- avfilter_start_frame(outlink, avfilter_ref_buffer(picref, ~0));
- avfilter_draw_slice(outlink, 0, outlink->h, 1);
- avfilter_end_frame(outlink);
+ ff_start_frame(outlink, avfilter_ref_buffer(picref, ~0));
+ ff_draw_slice(outlink, 0, outlink->h, 1);
+ ff_end_frame(outlink);
avfilter_unref_buffer(picref);
return 0;
}
while (!select->select) {
- int ret = avfilter_request_frame(inlink);
+ int ret = ff_request_frame(inlink);
if (ret < 0)
return ret;
}
int count, ret;
if (!av_fifo_size(select->pending_frames)) {
- if ((count = avfilter_poll_frame(inlink)) <= 0)
+ if ((count = ff_poll_frame(inlink)) <= 0)
return count;
/* request frame from input, and apply select condition to it */
select->cache_frames = 1;
while (count-- && av_fifo_space(select->pending_frames)) {
- ret = avfilter_request_frame(inlink);
+ ret = ff_request_frame(inlink);
if (ret < 0)
break;
}
setpts->var_values[VAR_N] += 1.0;
setpts->var_values[VAR_PREV_INPTS ] = TS2D(inpicref ->pts);
setpts->var_values[VAR_PREV_OUTPTS] = TS2D(outpicref->pts);
- avfilter_start_frame(inlink->dst->outputs[0], outpicref);
+ ff_start_frame(inlink->dst->outputs[0], outpicref);
}
static av_cold void uninit(AVFilterContext *ctx)
avfilter_unref_buffer(picref);
}
- avfilter_start_frame(outlink, picref2);
+ ff_start_frame(outlink, picref2);
}
AVFilter avfilter_vf_settb = {
checksum, plane_checksum[0], plane_checksum[1], plane_checksum[2], plane_checksum[3]);
showinfo->frame++;
- avfilter_end_frame(inlink->dst->outputs[0]);
+ ff_end_frame(inlink->dst->outputs[0]);
}
AVFilter avfilter_vf_showinfo = {
av_log(link->dst, AV_LOG_DEBUG, "h:%d\n", slice->h);
- avfilter_start_frame(link->dst->outputs[0], picref);
+ ff_start_frame(link->dst->outputs[0], picref);
}
static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
if (slice_dir == 1) {
for (y2 = y; y2 + slice->h <= y + h; y2 += slice->h)
- avfilter_draw_slice(link->dst->outputs[0], y2, slice->h, slice_dir);
+ ff_draw_slice(link->dst->outputs[0], y2, slice->h, slice_dir);
if (y2 < y + h)
- avfilter_draw_slice(link->dst->outputs[0], y2, y + h - y2, slice_dir);
+ ff_draw_slice(link->dst->outputs[0], y2, y + h - y2, slice_dir);
} else if (slice_dir == -1) {
for (y2 = y + h; y2 - slice->h >= y; y2 -= slice->h)
- avfilter_draw_slice(link->dst->outputs[0], y2 - slice->h, slice->h, slice_dir);
+ ff_draw_slice(link->dst->outputs[0], y2 - slice->h, slice->h, slice_dir);
if (y2 > y)
- avfilter_draw_slice(link->dst->outputs[0], y, y2 - y, slice_dir);
+ ff_draw_slice(link->dst->outputs[0], y, y2 - y, slice_dir);
}
}
#include "libavutil/imgutils.h"
#include "avfilter.h"
#include "formats.h"
+#include "video.h"
typedef struct {
int hsub, vsub;
outlink->out_buf->video->pixel_aspect.den = picref->video->pixel_aspect.num;
}
- avfilter_start_frame(outlink, avfilter_ref_buffer(outlink->out_buf, ~0));
+ ff_start_frame(outlink, avfilter_ref_buffer(outlink->out_buf, ~0));
}
static void end_frame(AVFilterLink *inlink)
}
avfilter_unref_buffer(inpic);
- avfilter_draw_slice(outlink, 0, outpic->video->h, 1);
- avfilter_end_frame(outlink);
+ ff_draw_slice(outlink, 0, outpic->video->h, 1);
+ ff_end_frame(outlink);
avfilter_unref_buffer(outpic);
}
#include "avfilter.h"
#include "formats.h"
+#include "video.h"
#include "libavutil/common.h"
#include "libavutil/mem.h"
#include "libavutil/pixdesc.h"
apply_unsharp(out->data[2], out->linesize[2], in->data[2], in->linesize[2], cw, ch, &unsharp->chroma);
avfilter_unref_buffer(in);
- avfilter_draw_slice(link->dst->outputs[0], 0, link->h, 1);
- avfilter_end_frame(link->dst->outputs[0]);
+ ff_draw_slice(link->dst->outputs[0], 0, link->h, 1);
+ ff_end_frame(link->dst->outputs[0]);
avfilter_unref_buffer(out);
}
}
}
- avfilter_start_frame(link->dst->outputs[0], outpicref);
+ ff_start_frame(link->dst->outputs[0], outpicref);
}
static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
{
AVFilterContext *ctx = link->dst;
- avfilter_draw_slice(ctx->outputs[0], link->h - (y+h), h, -1 * slice_dir);
+ ff_draw_slice(ctx->outputs[0], link->h - (y+h), h, -1 * slice_dir);
}
AVFilter avfilter_vf_vflip = {
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
#include "yadif.h"
} else {
yadif->out->pts = AV_NOPTS_VALUE;
}
- avfilter_start_frame(ctx->outputs[0], yadif->out);
+ ff_start_frame(ctx->outputs[0], yadif->out);
}
- avfilter_draw_slice(ctx->outputs[0], 0, link->h, 1);
- avfilter_end_frame(ctx->outputs[0]);
+ ff_draw_slice(ctx->outputs[0], 0, link->h, 1);
+ ff_end_frame(ctx->outputs[0]);
yadif->frame_pending = (yadif->mode&1) && !is_second;
}
yadif->prev = NULL;
if (yadif->out->pts != AV_NOPTS_VALUE)
yadif->out->pts *= 2;
- avfilter_start_frame(ctx->outputs[0], yadif->out);
+ ff_start_frame(ctx->outputs[0], yadif->out);
return;
}
yadif->out->video->interlaced = 0;
if (yadif->out->pts != AV_NOPTS_VALUE)
yadif->out->pts *= 2;
- avfilter_start_frame(ctx->outputs[0], yadif->out);
+ ff_start_frame(ctx->outputs[0], yadif->out);
}
static void end_frame(AVFilterLink *link)
return;
if (yadif->auto_enable && !yadif->cur->video->interlaced) {
- avfilter_draw_slice(ctx->outputs[0], 0, link->h, 1);
- avfilter_end_frame(ctx->outputs[0]);
+ ff_draw_slice(ctx->outputs[0], 0, link->h, 1);
+ ff_end_frame(ctx->outputs[0]);
return;
}
if (yadif->eof)
return AVERROR_EOF;
- ret = avfilter_request_frame(link->src->inputs[0]);
+ ret = ff_request_frame(link->src->inputs[0]);
if (ret == AVERROR_EOF && yadif->next) {
AVFilterBufferRef *next = avfilter_ref_buffer(yadif->next, AV_PERM_READ);
if (yadif->frame_pending)
return 1;
- val = avfilter_poll_frame(link->src->inputs[0]);
+ val = ff_poll_frame(link->src->inputs[0]);
if (val <= 0)
return val;
if (val==1 && !yadif->next) { //FIXME change API to not requre this red tape
- if ((ret = avfilter_request_frame(link->src->inputs[0])) < 0)
+ if ((ret = ff_request_frame(link->src->inputs[0])) < 0)
return ret;
- val = avfilter_poll_frame(link->src->inputs[0]);
+ val = ff_poll_frame(link->src->inputs[0]);
if (val <= 0)
return val;
}
void ff_null_start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
{
- avfilter_start_frame(link->dst->outputs[0], picref);
+ ff_start_frame(link->dst->outputs[0], picref);
}
static void default_start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
if (outlink) {
outlink->out_buf = avfilter_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
avfilter_copy_buffer_ref_props(outlink->out_buf, picref);
- avfilter_start_frame(outlink, avfilter_ref_buffer(outlink->out_buf, ~0));
+ ff_start_frame(outlink, avfilter_ref_buffer(outlink->out_buf, ~0));
}
}
/* XXX: should we do the duplicating of the picture ref here, instead of
* forcing the source filter to do it? */
-void avfilter_start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
+void ff_start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
{
void (*start_frame)(AVFilterLink *, AVFilterBufferRef *);
AVFilterPad *dst = link->dstpad;
void ff_null_end_frame(AVFilterLink *link)
{
- avfilter_end_frame(link->dst->outputs[0]);
+ ff_end_frame(link->dst->outputs[0]);
}
static void default_end_frame(AVFilterLink *inlink)
avfilter_unref_buffer(outlink->out_buf);
outlink->out_buf = NULL;
}
- avfilter_end_frame(outlink);
+ ff_end_frame(outlink);
}
}
-void avfilter_end_frame(AVFilterLink *link)
+void ff_end_frame(AVFilterLink *link)
{
void (*end_frame)(AVFilterLink *);
void ff_null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
{
- avfilter_draw_slice(link->dst->outputs[0], y, h, slice_dir);
+ ff_draw_slice(link->dst->outputs[0], y, h, slice_dir);
}
static void default_draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
outlink = inlink->dst->outputs[0];
if (outlink)
- avfilter_draw_slice(outlink, y, h, slice_dir);
+ ff_draw_slice(outlink, y, h, slice_dir);
}
-void avfilter_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
+void ff_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
{
uint8_t *src[4], *dst[4];
int i, j, vsub;
{
ff_null_draw_slice(link, y, h, slice_dir);
}
+void avfilter_start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
+{
+ ff_start_frame(link, picref);
+}
+void avfilter_end_frame(AVFilterLink *link)
+{
+ ff_end_frame(link);
+}
+void avfilter_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
+{
+ ff_draw_slice(link, y, h, slice_dir);
+}
#endif
void ff_null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir);
void ff_null_end_frame(AVFilterLink *link);
+/**
+ * Notify the next filter of the start of a frame.
+ *
+ * @param link the output link the frame will be sent over
+ * @param picref A reference to the frame about to be sent. The data for this
+ * frame need only be valid once draw_slice() is called for that
+ * portion. The receiving filter will free this reference when
+ * it no longer needs it.
+ */
+void ff_start_frame(AVFilterLink *link, AVFilterBufferRef *picref);
+
+/**
+ * Notify the next filter that the current frame has finished.
+ *
+ * @param link the output link the frame was sent over
+ */
+void ff_end_frame(AVFilterLink *link);
+
+/**
+ * Send a slice to the next filter.
+ *
+ * Slices have to be provided in sequential order, either in
+ * top-bottom or bottom-top order. If slices are provided in
+ * non-sequential order the behavior of the function is undefined.
+ *
+ * @param link the output link over which the frame is being sent
+ * @param y offset in pixels from the top of the image for this slice
+ * @param h height of this slice in pixels
+ * @param slice_dir the assumed direction for sending slices,
+ * from the top slice to the bottom slice if the value is 1,
+ * from the bottom slice to the top slice if the value is -1,
+ * for other values the behavior of the function is undefined.
+ */
+void ff_draw_slice(AVFilterLink *link, int y, int h, int slice_dir);
+
#endif /* AVFILTER_VIDEO_H */
#include "avfilter.h"
#include "formats.h"
+#include "video.h"
#include "libavutil/pixdesc.h"
#include "libavutil/colorspace.h"
#include "libavutil/imgutils.h"
picref->pts = color->pts++;
picref->pos = -1;
- avfilter_start_frame(link, avfilter_ref_buffer(picref, ~0));
+ ff_start_frame(link, avfilter_ref_buffer(picref, ~0));
ff_draw_rectangle(picref->data, picref->linesize,
color->line, color->line_step, color->hsub, color->vsub,
0, 0, color->w, color->h);
- avfilter_draw_slice(link, 0, color->h, 1);
- avfilter_end_frame(link);
+ ff_draw_slice(link, 0, color->h, 1);
+ ff_end_frame(link);
avfilter_unref_buffer(picref);
return 0;
#include "libavformat/avformat.h"
#include "avfilter.h"
#include "formats.h"
+#include "video.h"
typedef struct {
const AVClass *class;
return ret;
outpicref = avfilter_ref_buffer(movie->picref, ~0);
- avfilter_start_frame(outlink, outpicref);
- avfilter_draw_slice(outlink, 0, outlink->h, 1);
- avfilter_end_frame(outlink);
+ ff_start_frame(outlink, outpicref);
+ ff_draw_slice(outlink, 0, outlink->h, 1);
+ ff_end_frame(outlink);
avfilter_unref_buffer(movie->picref);
movie->picref = NULL;
#include "libavutil/parseutils.h"
#include "avfilter.h"
#include "formats.h"
+#include "video.h"
typedef struct {
const AVClass *class;
test->nb_frame++;
test->fill_picture_fn(outlink->src, picref);
- avfilter_start_frame(outlink, avfilter_ref_buffer(picref, ~0));
- avfilter_draw_slice(outlink, 0, picref->video->h, 1);
- avfilter_end_frame(outlink);
+ ff_start_frame(outlink, avfilter_ref_buffer(picref, ~0));
+ ff_draw_slice(outlink, 0, picref->video->h, 1);
+ ff_end_frame(outlink);
avfilter_unref_buffer(picref);
return 0;