mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 18:21:04 +00:00
29173242bb
Code to convert time codes to/from timestamps and frame numbers.
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
|
|
#include "config.h"
|
|
|
|
#include "gstsmptetimecode.h"
|
|
|
|
#include <glib.h>
|
|
|
|
#define NTSC_FRAMES_PER_10_MINS (10*60*30 - 10*2 + 2)
|
|
#define NTSC_FRAMES_PER_HOUR (6*NTSC_FRAMES_PER_10_MINS)
|
|
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
GstSMPTETimeCode tc;
|
|
int i;
|
|
int min;
|
|
|
|
for (min = 0; min < 3; min++) {
|
|
g_print ("--- minute %d ---\n", min);
|
|
for (i = min * 60 * 30 - 5; i <= min * 60 * 30 + 5; i++) {
|
|
gst_smpte_time_code_from_frame_number (GST_SMPTE_TIME_CODE_SYSTEM_30, &tc,
|
|
i);
|
|
g_print ("%d %02d:%02d:%02d:%02d\n", i, tc.hours, tc.minutes, tc.seconds,
|
|
tc.frames);
|
|
}
|
|
}
|
|
|
|
for (min = 9; min < 12; min++) {
|
|
g_print ("--- minute %d ---\n", min);
|
|
for (i = min * 60 * 30 - 5 - 18; i <= min * 60 * 30 + 5 - 18; i++) {
|
|
gst_smpte_time_code_from_frame_number (GST_SMPTE_TIME_CODE_SYSTEM_30, &tc,
|
|
i);
|
|
g_print ("%d %02d:%02d:%02d:%02d\n", i, tc.hours, tc.minutes, tc.seconds,
|
|
tc.frames);
|
|
}
|
|
}
|
|
|
|
for (min = -1; min < 2; min++) {
|
|
int offset = NTSC_FRAMES_PER_HOUR;
|
|
|
|
g_print ("--- minute %d ---\n", min);
|
|
for (i = offset + min * 60 * 30 - 5; i <= offset + min * 60 * 30 + 5; i++) {
|
|
gst_smpte_time_code_from_frame_number (GST_SMPTE_TIME_CODE_SYSTEM_30, &tc,
|
|
i);
|
|
g_print ("%d %02d:%02d:%02d:%02d\n", i, tc.hours, tc.minutes, tc.seconds,
|
|
tc.frames);
|
|
}
|
|
}
|
|
|
|
for (min = 0; min < 1; min++) {
|
|
int offset = NTSC_FRAMES_PER_HOUR;
|
|
|
|
g_print ("--- minute %d ---\n", min);
|
|
for (i = 24 * offset - 5; i <= 24 * offset + 5; i++) {
|
|
gst_smpte_time_code_from_frame_number (GST_SMPTE_TIME_CODE_SYSTEM_30, &tc,
|
|
i);
|
|
g_print ("%d %02d:%02d:%02d:%02d\n", i, tc.hours, tc.minutes, tc.seconds,
|
|
tc.frames);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < 24 * NTSC_FRAMES_PER_HOUR; i++) {
|
|
int fn;
|
|
int ret;
|
|
|
|
gst_smpte_time_code_from_frame_number (GST_SMPTE_TIME_CODE_SYSTEM_30, &tc,
|
|
i);
|
|
|
|
ret = gst_smpte_time_code_get_frame_number (GST_SMPTE_TIME_CODE_SYSTEM_30,
|
|
&fn, &tc);
|
|
if (!ret) {
|
|
g_print ("bad valid at %d\n", i);
|
|
}
|
|
if (fn != i) {
|
|
g_print ("index mismatch %d != %d\n", fn, i);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|