lavfi/blackdetect: switch to new ff_filter_frame() API

[ffmpeg] / libavfilter / vf_fps.c

diff --git a/libavfilter/vf_fps.c b/libavfilter/vf_fps.c
index 114b06241f59b79150a11ebd12065fc4ae511378..8e7880cfe9ff36e744464b3951685a0be3c07fbf 100644 (file)
--- a/libavfilter/vf_fps.c
+++ b/libavfilter/vf_fps.c
@@ -46,6 +46,7 @@ typedef struct FPSContext {
 
     AVRational framerate;   ///< target framerate
     char *fps;              ///< a string describing target framerate
+    int rounding;           ///< AVRounding method for timestamps
 
     /* statistics */
     int frames_in;             ///< number of frames on input
@@ -59,6 +60,12 @@ typedef struct FPSContext {
 #define F AV_OPT_FLAG_FILTERING_PARAM
 static const AVOption fps_options[] = {
     { "fps", "A string describing desired output framerate", OFFSET(fps), AV_OPT_TYPE_STRING, { .str = "25" }, .flags = V|F },
+    { "round", "set rounding method for timestamps", OFFSET(rounding), AV_OPT_TYPE_INT, { .i64 = AV_ROUND_NEAR_INF }, 0, 5, V|F, "round" },
+    { "zero", "round towards 0",      OFFSET(rounding), AV_OPT_TYPE_CONST, { .i64 = AV_ROUND_ZERO     }, 0, 5, V|F, "round" },
+    { "inf",  "round away from 0",    OFFSET(rounding), AV_OPT_TYPE_CONST, { .i64 = AV_ROUND_INF      }, 0, 5, V|F, "round" },
+    { "down", "round towards -infty", OFFSET(rounding), AV_OPT_TYPE_CONST, { .i64 = AV_ROUND_DOWN     }, 0, 5, V|F, "round" },
+    { "up",   "round towards +infty", OFFSET(rounding), AV_OPT_TYPE_CONST, { .i64 = AV_ROUND_UP       }, 0, 5, V|F, "round" },
+    { "near", "round to nearest",     OFFSET(rounding), AV_OPT_TYPE_CONST, { .i64 = AV_ROUND_NEAR_INF }, 0, 5, V|F, "round" },
     { NULL },
 };
 
@@ -145,9 +152,7 @@ static int request_frame(AVFilterLink *outlink)
             buf->pts = av_rescale_q(s->first_pts, ctx->inputs[0]->time_base,
                                     outlink->time_base) + s->frames_out;
 
-            if ((ret = ff_start_frame(outlink, buf)) < 0 ||
-                (ret = ff_draw_slice(outlink, 0, outlink->h, 1)) < 0 ||
-                (ret = ff_end_frame(outlink)) < 0)
+            if ((ret = ff_filter_frame(outlink, buf)) < 0)
                 return ret;
 
             s->frames_out++;
@@ -172,16 +177,14 @@ static int write_to_fifo(AVFifoBuffer *fifo, AVFilterBufferRef *buf)
     return 0;
 }
 
-static int end_frame(AVFilterLink *inlink)
+static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *buf)
 {
     AVFilterContext    *ctx = inlink->dst;
     FPSContext           *s = ctx->priv;
     AVFilterLink   *outlink = ctx->outputs[0];
-    AVFilterBufferRef  *buf = inlink->cur_buf;
     int64_t delta;
     int i, ret;
 
-    inlink->cur_buf = NULL;
     s->frames_in++;
     /* discard frames until we get the first timestamp */
     if (s->pts == AV_NOPTS_VALUE) {
@@ -206,8 +209,8 @@ static int end_frame(AVFilterLink *inlink)
     }
 
     /* number of output frames */
-    delta = av_rescale_q(buf->pts - s->pts, inlink->time_base,
-                         outlink->time_base);
+    delta = av_rescale_q_rnd(buf->pts - s->pts, inlink->time_base,
+                             outlink->time_base, s->rounding);
 
     if (delta < 1) {
         /* drop the frame and everything buffered except the first */
@@ -252,9 +255,7 @@ static int end_frame(AVFilterLink *inlink)
         buf_out->pts = av_rescale_q(s->first_pts, inlink->time_base,
                                     outlink->time_base) + s->frames_out;
 
-        if ((ret = ff_start_frame(outlink, buf_out)) < 0 ||
-            (ret = ff_draw_slice(outlink, 0, outlink->h, 1)) < 0 ||
-            (ret = ff_end_frame(outlink)) < 0) {
+        if ((ret = ff_filter_frame(outlink, buf_out)) < 0) {
             avfilter_unref_bufferp(&buf);
             return ret;
         }
@@ -269,24 +270,12 @@ static int end_frame(AVFilterLink *inlink)
     return ret;
 }
 
-static int null_start_frame(AVFilterLink *link, AVFilterBufferRef *buf)
-{
-    return 0;
-}
-
-static int null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
-{
-    return 0;
-}
-
 static const AVFilterPad avfilter_vf_fps_inputs[] = {
     {
         .name        = "default",
         .type        = AVMEDIA_TYPE_VIDEO,
         .min_perms   = AV_PERM_READ | AV_PERM_PRESERVE,
-        .start_frame = null_start_frame,
-        .draw_slice  = null_draw_slice,
-        .end_frame   = end_frame,
+        .filter_frame = filter_frame,
     },
     { NULL }
 };