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enhanced input display

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tth 2019-07-27 23:51:35 +02:00
parent c74695d07e
commit 535c98df32
2 changed files with 79 additions and 6 deletions
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82
v4l2/v4l2_pr_structs.c
View File

@ -73,6 +73,46 @@ fprintf(FP, " device caps 0x%X\n", ptr->device_caps);
return -1;
}
/* --------------------------------------------------------------------- */
/*
* warning, this function return a pointer to a static
* strint, so it was NOT reentrant !
*/
char *str_fourcc(uint32_t fcc)
{
static char chaine[10];
chaine[0] = '['; chaine[5] = ']'; chaine[6] = '\0';
chaine[1] = (fcc>>0) & 0xff;
chaine[2] = (fcc>>8) & 0xff;
chaine[3] = (fcc>>16) & 0xff;
chaine[4] = (fcc>>24) & 0xff;
return chaine;
}
/* --------------------------------------------------------------------- */
char *str_buf_type(int type)
{
switch (type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE: return "vidcapt";
case V4L2_BUF_TYPE_VIDEO_OUTPUT: return "vidout";
case V4L2_BUF_TYPE_VIDEO_OVERLAY: return "vidovrl";
case V4L2_BUF_TYPE_VBI_CAPTURE: return "vbicapt";
case V4L2_BUF_TYPE_VBI_OUTPUT: return "vbicapt";
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: return "slicevcapt";
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: return "slicevout";
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: return "v-outover";
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: return "v-captmpla";
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: return "v-outmpla";
case V4L2_BUF_TYPE_SDR_CAPTURE: return "sdrcapt";
case V4L2_BUF_TYPE_SDR_OUTPUT: return "sdrout";
/* Deprecated, do not use */
case V4L2_BUF_TYPE_PRIVATE: return "private";
}
return "???";
}
/* --------------------------------------------------------------------- */
int pr_v4l2_fmtdesc(char *txt, struct v4l2_fmtdesc *ptr)
{
fprintf(FP, "-- v4l2_fmtdesc, %-15s %p\n", txt, ptr);
@ -98,12 +138,33 @@ return "???";
/* --------------------------------------------------------------------- */
static void pr_input_status(uint32_t st)
{
if (st & V4L2_IN_ST_NO_POWER) fputs("nopower", FP);
if (st & V4L2_IN_ST_NO_SIGNAL) fputs("nosignal", FP);
if (st & V4L2_IN_ST_NO_COLOR) fputs("nocolor", FP);
if (st & V4L2_IN_ST_NO_POWER) fputs("nopow ", FP);
if (st & V4L2_IN_ST_NO_SIGNAL) fputs("nosig ", FP);
if (st & V4L2_IN_ST_NO_COLOR) fputs("nocol ", FP);
/* to be continued */
if (st & V4L2_IN_ST_HFLIP) fputs("hflip ", FP);
if (st & V4L2_IN_ST_VFLIP) fputs("vflip ", FP);
if (st & V4L2_IN_ST_NO_H_LOCK) fputs("nohlck ", FP);
if (st & V4L2_IN_ST_COLOR_KILL) fputs("colkil ", FP);
if (st & V4L2_IN_ST_NO_V_LOCK) fputs("novlck ", FP);
if (st & V4L2_IN_ST_NO_STD_LOCK) fputs("nostdlk ", FP);
if (st & V4L2_IN_ST_NO_EQU) fputs("noequ ", FP);
if (st & V4L2_IN_ST_NO_CARRIER) fputs("nocarr ", FP);
if (st & V4L2_IN_ST_MACROVISION) fputs("macrov ", FP);
if (st & V4L2_IN_ST_NO_ACCESS) fputs("noacces ", FP);
if (st & V4L2_IN_ST_VTR) fputs("VTR ", FP);
/* to be continued ?*/
}
/* --------------------------------------------------------------------- */
static void pr_input_capabilities(uint32_t st)
{
if (st & V4L2_IN_CAP_DV_TIMINGS) fputs("DVtime ", FP);
if (st & V4L2_IN_CAP_STD) fputs("s_std ", FP);
if (st & V4L2_IN_CAP_NATIVE_SIZE) fputs("nativsz ", FP);
}
/* --------------------------------------------------------------------- */
@ -118,9 +179,18 @@ fprintf(FP, " type %d %s\n", ptr->type,
fprintf(FP, " audioset 0x%X\n", ptr->audioset);
fprintf(FP, " tuner 0x%X\n", ptr->tuner);
/* XXX v4l2_std_id std; */
fprintf(FP, " status %d\n", ptr->status);
pr_input_status(ptr->status);
fprintf(FP, " status 0x%X\n", ptr->status);
if (ptr->status) {
fputs(" ",FP);
pr_input_status(ptr->status);
fputs("\n",FP);
}
fprintf(FP, " capabilities 0x%X\n", ptr->capabilities);
if (ptr->capabilities) {
fputs(" ",FP);
pr_input_capabilities(ptr->capabilities);
fputs("\n",FP);
}
return -1;
}

3
v4l2/v4l2_pr_structs.h
View File

@ -13,6 +13,9 @@ int pr_v4l2_fmtdesc(char *txt, struct v4l2_fmtdesc *ptr);
char *str_input_type(int t);
char *str_ctrl_type(int type);
char *str_buf_type(int type);
char *str_fourcc(uint32_t fcc); /* NOT REENTRANT */
void pr_ctrl_id(uint32_t id);
/* --------------------------------------------------------------------- */