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-rw-r--r--libavfilter/setpts.c160
1 files changed, 100 insertions, 60 deletions
diff --git a/libavfilter/setpts.c b/libavfilter/setpts.c
index fa7a0be..92b07fb 100644
--- a/libavfilter/setpts.c
+++ b/libavfilter/setpts.c
@@ -2,20 +2,20 @@
* Copyright (c) 2010 Stefano Sabatini
* Copyright (c) 2008 Victor Paesa
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -31,24 +31,27 @@
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/time.h"
-
#include "audio.h"
#include "avfilter.h"
#include "internal.h"
#include "video.h"
-#include "config.h"
-
static const char *const var_names[] = {
- "E", ///< Euler number
+ "FRAME_RATE", ///< defined only for constant frame-rate video
"INTERLACED", ///< tell if the current frame is interlaced
"N", ///< frame / sample number (starting at zero)
- "PHI", ///< golden ratio
- "PI", ///< greek pi
+ "NB_CONSUMED_SAMPLES", ///< number of samples consumed by the filter (only audio)
+ "NB_SAMPLES", ///< number of samples in the current frame (only audio)
+ "POS", ///< original position in the file of the frame
"PREV_INPTS", ///< previous input PTS
+ "PREV_INT", ///< previous input time in seconds
"PREV_OUTPTS", ///< previous output PTS
+ "PREV_OUTT", ///< previous output time in seconds
"PTS", ///< original pts in the file of the frame
+ "SAMPLE_RATE", ///< sample rate (only audio)
"STARTPTS", ///< PTS at start of movie
+ "STARTT", ///< time at start of movie
+ "T", ///< original time in the file of the frame
"TB", ///< timebase
"RTCTIME", ///< wallclock (RTC) time in micro seconds
"RTCSTART", ///< wallclock (RTC) time at the start of the movie in micro seconds
@@ -58,15 +61,21 @@ static const char *const var_names[] = {
};
enum var_name {
- VAR_E,
+ VAR_FRAME_RATE,
VAR_INTERLACED,
VAR_N,
- VAR_PHI,
- VAR_PI,
+ VAR_NB_CONSUMED_SAMPLES,
+ VAR_NB_SAMPLES,
+ VAR_POS,
VAR_PREV_INPTS,
+ VAR_PREV_INT,
VAR_PREV_OUTPTS,
+ VAR_PREV_OUTT,
VAR_PTS,
+ VAR_SAMPLE_RATE,
VAR_STARTPTS,
+ VAR_STARTT,
+ VAR_T,
VAR_TB,
VAR_RTCTIME,
VAR_RTCSTART,
@@ -80,6 +89,7 @@ typedef struct SetPTSContext {
char *expr_str;
AVExpr *expr;
double var_values[VAR_VARS_NB];
+ enum AVMediaType type;
} SetPTSContext;
static av_cold int init(AVFilterContext *ctx)
@@ -93,34 +103,54 @@ static av_cold int init(AVFilterContext *ctx)
return ret;
}
- setpts->var_values[VAR_E] = M_E;
setpts->var_values[VAR_N] = 0.0;
setpts->var_values[VAR_S] = 0.0;
- setpts->var_values[VAR_PHI] = M_PHI;
- setpts->var_values[VAR_PI] = M_PI;
setpts->var_values[VAR_PREV_INPTS] = NAN;
+ setpts->var_values[VAR_PREV_INT] = NAN;
setpts->var_values[VAR_PREV_OUTPTS] = NAN;
+ setpts->var_values[VAR_PREV_OUTT] = NAN;
setpts->var_values[VAR_STARTPTS] = NAN;
+ setpts->var_values[VAR_STARTT] = NAN;
return 0;
}
static int config_input(AVFilterLink *inlink)
{
- SetPTSContext *setpts = inlink->dst->priv;
+ AVFilterContext *ctx = inlink->dst;
+ SetPTSContext *setpts = ctx->priv;
+ setpts->type = inlink->type;
setpts->var_values[VAR_TB] = av_q2d(inlink->time_base);
setpts->var_values[VAR_RTCSTART] = av_gettime();
- if (inlink->type == AVMEDIA_TYPE_AUDIO) {
- setpts->var_values[VAR_SR] = inlink->sample_rate;
- }
+ setpts->var_values[VAR_SR] =
+ setpts->var_values[VAR_SAMPLE_RATE] =
+ setpts->type == AVMEDIA_TYPE_AUDIO ? inlink->sample_rate : NAN;
+
+ setpts->var_values[VAR_FRAME_RATE] = inlink->frame_rate.num && inlink->frame_rate.den ?
+ av_q2d(inlink->frame_rate) : NAN;
- av_log(inlink->src, AV_LOG_VERBOSE, "TB:%f\n", setpts->var_values[VAR_TB]);
+ av_log(inlink->src, AV_LOG_VERBOSE, "TB:%f FRAME_RATE:%f SAMPLE_RATE:%f\n",
+ setpts->var_values[VAR_TB],
+ setpts->var_values[VAR_FRAME_RATE],
+ setpts->var_values[VAR_SAMPLE_RATE]);
return 0;
}
#define D2TS(d) (isnan(d) ? AV_NOPTS_VALUE : (int64_t)(d))
#define TS2D(ts) ((ts) == AV_NOPTS_VALUE ? NAN : (double)(ts))
+#define TS2T(ts, tb) ((ts) == AV_NOPTS_VALUE ? NAN : (double)(ts)*av_q2d(tb))
+
+#define BUF_SIZE 64
+
+static inline char *double2int64str(char *buf, double v)
+{
+ if (isnan(v)) snprintf(buf, BUF_SIZE, "nan");
+ else snprintf(buf, BUF_SIZE, "%"PRId64, (int64_t)v);
+ return buf;
+}
+
+#define d2istr(v) double2int64str((char[BUF_SIZE]){0}, v)
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
{
@@ -128,27 +158,43 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
int64_t in_pts = frame->pts;
double d;
- if (isnan(setpts->var_values[VAR_STARTPTS]))
+ if (isnan(setpts->var_values[VAR_STARTPTS])) {
setpts->var_values[VAR_STARTPTS] = TS2D(frame->pts);
-
+ setpts->var_values[VAR_STARTT ] = TS2T(frame->pts, inlink->time_base);
+ }
setpts->var_values[VAR_PTS ] = TS2D(frame->pts);
+ setpts->var_values[VAR_T ] = TS2T(frame->pts, inlink->time_base);
+ setpts->var_values[VAR_POS ] = av_frame_get_pkt_pos(frame) == -1 ? NAN : av_frame_get_pkt_pos(frame);
setpts->var_values[VAR_RTCTIME ] = av_gettime();
if (inlink->type == AVMEDIA_TYPE_VIDEO) {
setpts->var_values[VAR_INTERLACED] = frame->interlaced_frame;
- } else {
+ } else if (inlink->type == AVMEDIA_TYPE_AUDIO) {
setpts->var_values[VAR_S] = frame->nb_samples;
+ setpts->var_values[VAR_NB_SAMPLES] = frame->nb_samples;
}
d = av_expr_eval(setpts->expr, setpts->var_values, NULL);
frame->pts = D2TS(d);
av_dlog(inlink->dst,
- "n:%"PRId64" interlaced:%d pts:%"PRId64" t:%f -> pts:%"PRId64" t:%f\n",
+ "N:%"PRId64" PTS:%s T:%f POS:%s",
(int64_t)setpts->var_values[VAR_N],
- (int)setpts->var_values[VAR_INTERLACED],
- in_pts, in_pts * av_q2d(inlink->time_base),
- frame->pts, frame->pts * av_q2d(inlink->time_base));
+ d2istr(setpts->var_values[VAR_PTS]),
+ setpts->var_values[VAR_T],
+ d2istr(setpts->var_values[VAR_POS]));
+ switch (inlink->type) {
+ case AVMEDIA_TYPE_VIDEO:
+ av_dlog(inlink->dst, " INTERLACED:%"PRId64,
+ (int64_t)setpts->var_values[VAR_INTERLACED]);
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ av_dlog(inlink->dst, " NB_SAMPLES:%"PRId64" NB_CONSUMED_SAMPLES:%"PRId64,
+ (int64_t)setpts->var_values[VAR_NB_SAMPLES],
+ (int64_t)setpts->var_values[VAR_NB_CONSUMED_SAMPLES]);
+ break;
+ }
+ av_dlog(inlink->dst, " -> PTS:%s T:%f\n", d2istr(d), TS2T(d, inlink->time_base));
if (inlink->type == AVMEDIA_TYPE_VIDEO) {
setpts->var_values[VAR_N] += 1.0;
@@ -157,7 +203,12 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
}
setpts->var_values[VAR_PREV_INPTS ] = TS2D(in_pts);
+ setpts->var_values[VAR_PREV_INT ] = TS2T(in_pts, inlink->time_base);
setpts->var_values[VAR_PREV_OUTPTS] = TS2D(frame->pts);
+ setpts->var_values[VAR_PREV_OUTT] = TS2T(frame->pts, inlink->time_base);
+ if (setpts->type == AVMEDIA_TYPE_AUDIO) {
+ setpts->var_values[VAR_NB_CONSUMED_SAMPLES] += frame->nb_samples;
+ }
return ff_filter_frame(inlink->dst->outputs[0], frame);
}
@@ -169,27 +220,22 @@ static av_cold void uninit(AVFilterContext *ctx)
}
#define OFFSET(x) offsetof(SetPTSContext, x)
-#define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
static const AVOption options[] = {
{ "expr", "Expression determining the frame timestamp", OFFSET(expr_str), AV_OPT_TYPE_STRING, { .str = "PTS" }, .flags = FLAGS },
- { NULL },
+ { NULL }
};
#if CONFIG_SETPTS_FILTER
-static const AVClass setpts_class = {
- .class_name = "setpts",
- .item_name = av_default_item_name,
- .option = options,
- .version = LIBAVUTIL_VERSION_INT,
-};
+#define setpts_options options
+AVFILTER_DEFINE_CLASS(setpts);
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,
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .config_props = config_input,
+ .filter_frame = filter_frame,
},
{ NULL }
};
@@ -214,23 +260,19 @@ AVFilter ff_vf_setpts = {
.inputs = avfilter_vf_setpts_inputs,
.outputs = avfilter_vf_setpts_outputs,
};
-#endif
+#endif /* CONFIG_SETPTS_FILTER */
#if CONFIG_ASETPTS_FILTER
-static const AVClass asetpts_class = {
- .class_name = "asetpts",
- .item_name = av_default_item_name,
- .option = options,
- .version = LIBAVUTIL_VERSION_INT,
-};
+
+#define asetpts_options options
+AVFILTER_DEFINE_CLASS(asetpts);
static const AVFilterPad asetpts_inputs[] = {
{
- .name = "default",
- .type = AVMEDIA_TYPE_AUDIO,
- .get_audio_buffer = ff_null_get_audio_buffer,
- .config_props = config_input,
- .filter_frame = filter_frame,
+ .name = "default",
+ .type = AVMEDIA_TYPE_AUDIO,
+ .config_props = config_input,
+ .filter_frame = filter_frame,
},
{ NULL }
};
@@ -248,11 +290,9 @@ AVFilter ff_af_asetpts = {
.description = NULL_IF_CONFIG_SMALL("Set PTS for the output audio frame."),
.init = init,
.uninit = uninit,
-
- .priv_size = sizeof(SetPTSContext),
- .priv_class = &asetpts_class,
-
- .inputs = asetpts_inputs,
- .outputs = asetpts_outputs,
+ .priv_size = sizeof(SetPTSContext),
+ .priv_class = &asetpts_class,
+ .inputs = asetpts_inputs,
+ .outputs = asetpts_outputs,
};
-#endif
+#endif /* CONFIG_ASETPTS_FILTER */
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