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Avoid unavailable pattern generators with versions of gstreamer < 18

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brunoherbelin
2021-01-01 23:02:35 +01:00
parent f8e926040a
commit b1dd2f0bc9
1 changed files with 54 additions and 51 deletions
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105
PatternSource.cpp
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@@ -11,7 +11,7 @@
#include "Visitor.h"
#include "Log.h"
#define MAX_PATTERN 23
#define MAX_PATTERN 24
// smpte (0) – SMPTE 100%% color bars
// snow (1) – Random (television snow)
@@ -38,59 +38,62 @@
// spokes (22) – Spokes
// gradient (23) – Gradient
// colors (24) – Colors
const char* pattern_internal_[24] = { "videotestsrc pattern=black",
"videotestsrc pattern=white",
"videotestsrc pattern=gradient",
"videotestsrc pattern=checkers-1 ! video/x-raw,format=GRAY8 ! videoconvert",
"videotestsrc pattern=checkers-8 ! video/x-raw,format=GRAY8 ! videoconvert",
"videotestsrc pattern=circular",
"frei0r-src-lissajous0r ratiox=0.001 ratioy=0.999 ! videoconvert",
"videotestsrc pattern=pinwheel",
"videotestsrc pattern=spokes",
"videotestsrc pattern=red",
"videotestsrc pattern=green",
"videotestsrc pattern=blue",
"videotestsrc pattern=smpte100",
"videotestsrc pattern=colors",
"videotestsrc pattern=smpte",
"videotestsrc pattern=snow",
"videotestsrc pattern=blink",
"videotestsrc pattern=zone-plate",
"videotestsrc pattern=chroma-zone-plate",
"videotestsrc pattern=bar horizontal-speed=5",
"videotestsrc pattern=ball",
"frei0r-src-ising0r",
"videotestsrc pattern=black ! timeoverlay halignment=center valignment=center font-desc=\"Sans, 72\" ",
"videotestsrc pattern=black ! clockoverlay halignment=center valignment=center font-desc=\"Sans, 72\" "
const char* pattern_internal_[MAX_PATTERN] = { "videotestsrc pattern=black",
"videotestsrc pattern=white",
"videotestsrc pattern=gradient",
"videotestsrc pattern=checkers-1 ! video/x-raw,format=GRAY8 ! videoconvert",
"videotestsrc pattern=checkers-8 ! video/x-raw,format=GRAY8 ! videoconvert",
"videotestsrc pattern=circular",
"frei0r-src-lissajous0r ratiox=0.001 ratioy=0.999 ! videoconvert",
"videotestsrc pattern=pinwheel",
"videotestsrc pattern=spokes",
"videotestsrc pattern=red",
"videotestsrc pattern=green",
"videotestsrc pattern=blue",
"videotestsrc pattern=smpte100",
"videotestsrc pattern=colors",
"videotestsrc pattern=smpte",
"videotestsrc pattern=snow",
"videotestsrc pattern=blink",
"videotestsrc pattern=zone-plate",
"videotestsrc pattern=chroma-zone-plate",
"videotestsrc pattern=bar horizontal-speed=5",
"videotestsrc pattern=ball",
"frei0r-src-ising0r",
"videotestsrc pattern=black ! timeoverlay halignment=center valignment=center font-desc=\"Sans, 72\" ",
"videotestsrc pattern=black ! clockoverlay halignment=center valignment=center font-desc=\"Sans, 72\" "
};
std::vector<std::string> Pattern::pattern_types = { "Black",
"White",
"Gradient",
"Checkers 1x1 px",
"Checkers 8x8 px",
"Circles",
"Lissajous",
"Pinwheel",
"Spokes",
"Red",
"Green",
"Blue",
"Color bars",
"RGB grid",
"SMPTE test pattern",
"Television snow",
"Blink",
"Fresnel zone plate",
"Chroma zone plate",
"Bar moving",
"Ball bouncing",
"Blob",
"Timer",
"Clock"
};
"White",
"Gradient",
"Checkers 1x1 px",
"Checkers 8x8 px",
"Circles",
"Lissajous",
"Pinwheel",
"Spokes",
"Red",
"Green",
"Blue",
"Color bars",
"RGB grid",
"SMPTE test pattern",
"Television snow",
"Blink",
"Fresnel zone plate",
"Chroma zone plate",
"Bar moving",
"Ball bouncing"
#if GST_VERSION_MINOR > 17
,
"Blob",
"Timer",
"Clock"
#endif
};
Pattern::Pattern() : Stream(), type_(MAX_PATTERN+1) // invalid pattern
Pattern::Pattern() : Stream(), type_(MAX_PATTERN) // invalid pattern
{
}
@@ -103,7 +106,7 @@ glm::ivec2 Pattern::resolution()
void Pattern::open( uint pattern, glm::ivec2 res )
{
type_ = MIN(pattern, MAX_PATTERN);
type_ = MIN(pattern, MAX_PATTERN-1);
std::string gstreamer_pattern = pattern_internal_[type_];
// there is always a special case...