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tests: cccombiner: Test rescheduling 50fps to 25fps w/o overflow

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7996>
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Jan Alexander Steffens (heftig) 2024-11-19 17:38:43 +01:00 committed by GStreamer Marge Bot
parent b29262e662
commit 26c598dd1b
1 changed files with 123 additions and 0 deletions
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123
subprojects/gst-plugins-bad/tests/check/elements/cccombiner.c
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@ -29,6 +29,8 @@
#include <string.h> #include <string.h>
static GstStaticCaps foo_bar_caps = GST_STATIC_CAPS ("foo/bar"); static GstStaticCaps foo_bar_caps = GST_STATIC_CAPS ("foo/bar");
static GstStaticCaps foo_bar_caps_25fps =
GST_STATIC_CAPS ("foo/bar,framerate=25/1");
static GstStaticCaps foo_bar_caps_60fps = static GstStaticCaps foo_bar_caps_60fps =
GST_STATIC_CAPS ("foo/bar,framerate=60/1"); GST_STATIC_CAPS ("foo/bar,framerate=60/1");
static GstStaticCaps cea708_cc_data_caps = static GstStaticCaps cea708_cc_data_caps =
@ -301,6 +303,126 @@ GST_START_TEST (captions_no_output_padding_60fps_608_field1_only)
GST_END_TEST; GST_END_TEST;
GST_START_TEST (captions_50fps_to_25fps)
{
GstHarness *h, *h2;
GstBuffer *outbuf;
GstPad *caption_pad;
GstCaps *caps;
GstVideoCaptionMeta *meta;
const guint8 cc_data_both[72] = {
0xfc, 0x20, 0x20, 0xfd, 0x20, 0x20, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00,
0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00,
0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00,
0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00,
0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00,
0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00,
};
const guint8 cc_data_field1[36] = {
0xfc, 0x20, 0x20, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00,
0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00,
0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00,
};
const guint8 cc_data_field2[36] = {
0xfd, 0x20, 0x20, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00,
0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00,
0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00,
};
int i = 0;
h = gst_harness_new_with_padnames ("cccombiner", "sink", "src");
h2 = gst_harness_new_with_element (h->element, NULL, NULL);
caption_pad = gst_element_request_pad_simple (h->element, "caption");
gst_harness_add_element_sink_pad (h2, caption_pad);
gst_object_unref (caption_pad);
g_object_set (h->element, "emit-signals", TRUE, NULL);
g_signal_connect (h->element, "samples-selected",
G_CALLBACK (samples_selected_cb), NULL);
gst_element_set_state (h->element, GST_STATE_NULL);
gst_element_set_state (h->element, GST_STATE_PLAYING);
gst_harness_set_src_caps_str (h, foo_bar_caps_25fps.string);
gst_harness_set_src_caps_str (h2, cea708_cc_data_caps.string);
/* We're rescheduling a 50 fps stream (1 tuple per frame)
* to 25 fps (2 tuples per frame) */
/* Push a video buffer and two caption buffers */
for (i = 0; i < 300; i++) {
GstBuffer *video_buf, *caption_buf = NULL;
video_buf = gst_buffer_new_and_alloc (128);
GST_BUFFER_PTS (video_buf) = i * 40 * GST_MSECOND;
GST_BUFFER_DURATION (video_buf) = 40 * GST_MSECOND;
gst_harness_push (h, video_buf);
caption_buf = gst_buffer_new_and_alloc (36);
gst_buffer_fill (caption_buf, 0, cc_data_field1, 36);
GST_BUFFER_PTS (caption_buf) = (2 * i) * 20 * GST_MSECOND;
GST_BUFFER_DURATION (caption_buf) = 20 * GST_MSECOND;
gst_harness_push (h2, caption_buf);
caption_buf = gst_buffer_new_and_alloc (36);
gst_buffer_fill (caption_buf, 0, cc_data_field2, 36);
GST_BUFFER_PTS (caption_buf) = (2 * i + 1) * 20 * GST_MSECOND;
GST_BUFFER_DURATION (caption_buf) = 20 * GST_MSECOND;
gst_harness_push (h2, caption_buf);
/* Pull the previous output buffer */
if (i > 0) {
int j;
outbuf = gst_harness_pull (h);
fail_unless (outbuf != NULL);
meta = gst_buffer_get_video_caption_meta (outbuf);
fail_unless (meta != NULL);
fail_unless_equals_int (meta->caption_type,
GST_VIDEO_CAPTION_TYPE_CEA708_RAW);
fail_unless_equals_int (meta->size, 72);
GST_MEMDUMP ("caption data", meta->data, meta->size);
for (j = 0; j < meta->size; j++) {
fail_unless_equals_int (meta->data[j], cc_data_both[j]);
}
gst_buffer_unref (outbuf);
}
expected_video_buffer = video_buf;
if (caption_buf)
expected_caption_buffer = caption_buf;
}
/* Push EOS on both pads get the second output buffer, we otherwise wait
* in case there are further captions for the current video buffer */
gst_harness_push_event (h, gst_event_new_eos ());
gst_harness_push_event (h2, gst_event_new_eos ());
outbuf = gst_harness_pull (h);
fail_unless (outbuf != NULL);
meta = gst_buffer_get_video_caption_meta (outbuf);
fail_unless (meta != NULL);
fail_unless_equals_int (meta->caption_type,
GST_VIDEO_CAPTION_TYPE_CEA708_RAW);
fail_unless_equals_int (meta->size, 72);
gst_buffer_unref (outbuf);
/* Caps should be equal to input caps */
caps = gst_pad_get_current_caps (h->sinkpad);
fail_unless (caps != NULL);
fail_unless (gst_caps_can_intersect (caps,
gst_static_caps_get (&foo_bar_caps)));
gst_caps_unref (caps);
gst_harness_teardown (h);
gst_harness_teardown (h2);
}
GST_END_TEST;
static Suite * static Suite *
cccombiner_suite (void) cccombiner_suite (void)
{ {
@ -312,6 +434,7 @@ cccombiner_suite (void)
tcase_add_test (tc, no_captions); tcase_add_test (tc, no_captions);
tcase_add_test (tc, captions_and_eos); tcase_add_test (tc, captions_and_eos);
tcase_add_test (tc, captions_no_output_padding_60fps_608_field1_only); tcase_add_test (tc, captions_no_output_padding_60fps_608_field1_only);
tcase_add_test (tc, captions_50fps_to_25fps);
return s; return s;
} }