/* #define DEBUG */
#include "libavutil/eval.h"
+#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
+#include "libavutil/time.h"
#include "avfilter.h"
+#include "internal.h"
#include "video.h"
static const char *const var_names[] = {
"N", ///< frame number (starting at zero)
"PHI", ///< golden ratio
"PI", ///< greek pi
- "POS", ///< original position in the file of the frame
"PREV_INPTS", ///< previous input PTS
"PREV_OUTPTS", ///< previous output PTS
"PTS", ///< original pts in the file of the frame
"STARTPTS", ///< PTS at start of movie
"TB", ///< timebase
+ "RTCTIME", ///< wallclock (RTC) time in micro seconds
+ "RTCSTART", ///< wallclock (RTC) time at the start of the movie in micro seconds
NULL
};
VAR_N,
VAR_PHI,
VAR_PI,
- VAR_POS,
VAR_PREV_INPTS,
VAR_PREV_OUTPTS,
VAR_PTS,
VAR_STARTPTS,
VAR_TB,
+ VAR_RTCTIME,
+ VAR_RTCSTART,
VAR_VARS_NB
};
double var_values[VAR_VARS_NB];
} SetPTSContext;
-static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
+static av_cold int init(AVFilterContext *ctx, const char *args)
{
SetPTSContext *setpts = ctx->priv;
int ret;
SetPTSContext *setpts = inlink->dst->priv;
setpts->var_values[VAR_TB] = av_q2d(inlink->time_base);
+ setpts->var_values[VAR_RTCSTART] = av_gettime();
- av_log(inlink->src, AV_LOG_INFO, "TB:%f\n", setpts->var_values[VAR_TB]);
+ av_log(inlink->src, AV_LOG_VERBOSE, "TB:%f\n", setpts->var_values[VAR_TB]);
return 0;
}
#define D2TS(d) (isnan(d) ? AV_NOPTS_VALUE : (int64_t)(d))
#define TS2D(ts) ((ts) == AV_NOPTS_VALUE ? NAN : (double)(ts))
-static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)
+static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
{
SetPTSContext *setpts = inlink->dst->priv;
+ int64_t in_pts = frame->pts;
double d;
- AVFilterBufferRef *outpicref = avfilter_ref_buffer(inpicref, ~0);
if (isnan(setpts->var_values[VAR_STARTPTS]))
- setpts->var_values[VAR_STARTPTS] = TS2D(inpicref->pts);
+ setpts->var_values[VAR_STARTPTS] = TS2D(frame->pts);
- setpts->var_values[VAR_INTERLACED] = inpicref->video->interlaced;
- setpts->var_values[VAR_PTS ] = TS2D(inpicref->pts);
- setpts->var_values[VAR_POS ] = inpicref->pos == -1 ? NAN : inpicref->pos;
+ setpts->var_values[VAR_INTERLACED] = frame->interlaced_frame;
+ setpts->var_values[VAR_PTS ] = TS2D(frame->pts);
+ setpts->var_values[VAR_RTCTIME ] = av_gettime();
d = av_expr_eval(setpts->expr, setpts->var_values, NULL);
- outpicref->pts = D2TS(d);
+ frame->pts = D2TS(d);
#ifdef DEBUG
av_log(inlink->dst, AV_LOG_DEBUG,
- "n:%"PRId64" interlaced:%d pos:%"PRId64" pts:%"PRId64" t:%f -> pts:%"PRId64" t:%f\n",
+ "n:%"PRId64" interlaced:%d pts:%"PRId64" t:%f -> pts:%"PRId64" t:%f\n",
(int64_t)setpts->var_values[VAR_N],
(int)setpts->var_values[VAR_INTERLACED],
- inpicref ->pos,
- inpicref ->pts, inpicref ->pts * av_q2d(inlink->time_base),
- outpicref->pts, outpicref->pts * av_q2d(inlink->time_base));
+ in_pts, in_pts * av_q2d(inlink->time_base),
+ frame->pts, frame->pts * av_q2d(inlink->time_base));
#endif
+
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);
+ setpts->var_values[VAR_PREV_INPTS ] = TS2D(in_pts);
+ setpts->var_values[VAR_PREV_OUTPTS] = TS2D(frame->pts);
+ return ff_filter_frame(inlink->dst->outputs[0], frame);
}
static av_cold void uninit(AVFilterContext *ctx)
setpts->expr = NULL;
}
+static const AVFilterPad avfilter_vf_setpts_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .get_video_buffer = ff_null_get_video_buffer,
+ .config_props = config_input,
+ .filter_frame = filter_frame,
+ },
+ { NULL }
+};
+
+static const AVFilterPad avfilter_vf_setpts_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ },
+ { NULL }
+};
+
AVFilter avfilter_vf_setpts = {
.name = "setpts",
.description = NULL_IF_CONFIG_SMALL("Set PTS for the output video frame."),
.priv_size = sizeof(SetPTSContext),
- .inputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .get_video_buffer = ff_null_get_video_buffer,
- .config_props = config_input,
- .start_frame = start_frame, },
- { .name = NULL }},
- .outputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO, },
- { .name = NULL}},
+ .inputs = avfilter_vf_setpts_inputs,
+ .outputs = avfilter_vf_setpts_outputs,
};