[FFmpeg-devel] [PATCH v4 1/3] avfilter/vsrc_mptestsrc: add options to set the maximum number of frames
lance.lmwang at gmail.com
lance.lmwang at gmail.com
Mon Oct 21 13:12:11 EEST 2019
From: Limin Wang <lance.lmwang at gmail.com>
Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
---
doc/filters.texi | 3 +++
libavfilter/vsrc_mptestsrc.c | 29 +++++++++++++++++------------
2 files changed, 20 insertions(+), 12 deletions(-)
diff --git a/doc/filters.texi b/doc/filters.texi
index db4313da37..2815372249 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -20912,6 +20912,9 @@ Set the number or the name of the test to perform. Supported tests are:
@item ring2
@item all
+ at item max_frames, m
+Set the maximum number of frames generated for each test, default value is 30.
+
@end table
Default value is "all", which will cycle through the list of all tests.
diff --git a/libavfilter/vsrc_mptestsrc.c b/libavfilter/vsrc_mptestsrc.c
index c5fdea75dc..31c68939e4 100644
--- a/libavfilter/vsrc_mptestsrc.c
+++ b/libavfilter/vsrc_mptestsrc.c
@@ -54,6 +54,7 @@ typedef struct MPTestContext {
const AVClass *class;
AVRational frame_rate;
int64_t pts, max_pts, duration;
+ int64_t max_frames;
int hsub, vsub;
int test; ///< test_type
} MPTestContext;
@@ -79,6 +80,10 @@ static const AVOption mptestsrc_options[]= {
{ "ring1", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_RING1}, INT_MIN, INT_MAX, FLAGS, "test" },
{ "ring2", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_RING2}, INT_MIN, INT_MAX, FLAGS, "test" },
{ "all", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_ALL}, INT_MIN, INT_MAX, FLAGS, "test" },
+ { "max_frames", "Set the maximum number of frames generated for each test", OFFSET(max_frames),
+ AV_OPT_TYPE_INT64, {.i64 = 30}, 1, INT64_MAX, FLAGS },
+ { "m", "Set the maximum number of frames generated for each test", OFFSET(max_frames),
+ AV_OPT_TYPE_INT64, {.i64 = 30}, 1, INT64_MAX, FLAGS },
{ NULL }
};
@@ -322,20 +327,20 @@ static int request_frame(AVFilterLink *outlink)
memset(picref->data[2] + i*picref->linesize[2], 128, cw);
}
- if (tt == TEST_ALL && frame%30) /* draw a black frame at the beginning of each test */
- tt = (frame/30)%(TEST_NB-1);
+ if (tt == TEST_ALL && frame%test->max_frames) /* draw a black frame at the beginning of each test */
+ tt = (frame/test->max_frames)%(TEST_NB-1);
switch (tt) {
- case TEST_DC_LUMA: dc_test(picref->data[0], picref->linesize[0], 256, 256, frame%30); break;
- case TEST_DC_CHROMA: dc_test(picref->data[1], picref->linesize[1], 256, 256, frame%30); break;
- case TEST_FREQ_LUMA: freq_test(picref->data[0], picref->linesize[0], frame%30); break;
- case TEST_FREQ_CHROMA: freq_test(picref->data[1], picref->linesize[1], frame%30); break;
- case TEST_AMP_LUMA: amp_test(picref->data[0], picref->linesize[0], frame%30); break;
- case TEST_AMP_CHROMA: amp_test(picref->data[1], picref->linesize[1], frame%30); break;
- case TEST_CBP: cbp_test(picref->data , picref->linesize , frame%30); break;
- case TEST_MV: mv_test(picref->data[0], picref->linesize[0], frame%30); break;
- case TEST_RING1: ring1_test(picref->data[0], picref->linesize[0], frame%30); break;
- case TEST_RING2: ring2_test(picref->data[0], picref->linesize[0], frame%30); break;
+ case TEST_DC_LUMA: dc_test(picref->data[0], picref->linesize[0], 256, 256, frame%test->max_frames); break;
+ case TEST_DC_CHROMA: dc_test(picref->data[1], picref->linesize[1], 256, 256, frame%test->max_frames); break;
+ case TEST_FREQ_LUMA: freq_test(picref->data[0], picref->linesize[0], frame%test->max_frames); break;
+ case TEST_FREQ_CHROMA: freq_test(picref->data[1], picref->linesize[1], frame%test->max_frames); break;
+ case TEST_AMP_LUMA: amp_test(picref->data[0], picref->linesize[0], frame%test->max_frames); break;
+ case TEST_AMP_CHROMA: amp_test(picref->data[1], picref->linesize[1], frame%test->max_frames); break;
+ case TEST_CBP: cbp_test(picref->data , picref->linesize , frame%test->max_frames); break;
+ case TEST_MV: mv_test(picref->data[0], picref->linesize[0], frame%test->max_frames); break;
+ case TEST_RING1: ring1_test(picref->data[0], picref->linesize[0], frame%test->max_frames); break;
+ case TEST_RING2: ring2_test(picref->data[0], picref->linesize[0], frame%test->max_frames); break;
}
return ff_filter_frame(outlink, picref);
--
2.21.0
More information about the ffmpeg-devel
mailing list