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Merge pull request #708 from taka-no-me:gstreamer_10_28

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Andrey Kamaev 2013-03-26 14:36:25 +04:00 committed by OpenCV Buildbot
commit 6e2708e042
1 changed files with 21 additions and 1 deletions
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22
modules/highgui/src/cap_gstreamer.cpp
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@ -56,9 +56,15 @@
#include <gst/app/gstappsink.h>
#include <gst/app/gstappsrc.h>
#include <gst/riff/riff-media.h>
#include <gst/pbutils/encoding-profile.h>
#include <gst/pbutils/missing-plugins.h>
#define VERSION_NUM(major, minor, micro) (major * 1000000 + minor * 1000 + micro)
#define FULL_GST_VERSION VERSION_NUM(GST_VERSION_MAJOR, GST_VERSION_MINOR, GST_VERSION_MICRO)
#if FULL_GST_VERSION >= VERSION_NUM(0,10,32)
#include <gst/pbutils/encoding-profile.h>
//#include <gst/base/gsttypefindhelper.h>
#endif
#ifdef NDEBUG
@ -1114,9 +1120,12 @@ bool CvVideoWriter_GStreamer::open( const char * filename, int fourcc,
GstCaps* caps = NULL;
GstCaps* videocaps = NULL;
#if FULL_GST_VERSION >= VERSION_NUM(0,10,32)
GstCaps* containercaps = NULL;
GstEncodingContainerProfile* containerprofile = NULL;
GstEncodingVideoProfile* videoprofile = NULL;
#endif
#if GST_VERSION_MAJOR == 0
GstIterator *it = NULL;
@ -1178,16 +1187,21 @@ bool CvVideoWriter_GStreamer::open( const char * filename, int fourcc,
if (!mime) {
CV_ERROR( CV_StsUnsupportedFormat, "Gstreamer Opencv backend does not support this file type.");
}
#if FULL_GST_VERSION >= VERSION_NUM(0,10,32)
containercaps = gst_caps_from_string(mime);
//create encodebin profile
containerprofile = gst_encoding_container_profile_new("container", "container", containercaps, NULL);
videoprofile = gst_encoding_video_profile_new(videocaps, NULL, NULL, 1);
gst_encoding_container_profile_add_profile(containerprofile, (GstEncodingProfile *) videoprofile);
#endif
//create pipeline elements
encodebin = gst_element_factory_make("encodebin", NULL);
#if FULL_GST_VERSION >= VERSION_NUM(0,10,32)
g_object_set(G_OBJECT(encodebin), "profile", containerprofile, NULL);
#endif
source = gst_element_factory_make("appsrc", NULL);
file = gst_element_factory_make("filesink", NULL);
g_object_set(G_OBJECT(file), "location", filename, NULL);
@ -1218,6 +1232,7 @@ bool CvVideoWriter_GStreamer::open( const char * filename, int fourcc,
}
else
{
#if FULL_GST_VERSION >= VERSION_NUM(0,10,29)
input_pix_fmt = GST_VIDEO_FORMAT_GRAY8;
bufsize = frameSize.width * frameSize.height;
@ -1235,6 +1250,9 @@ bool CvVideoWriter_GStreamer::open( const char * filename, int fourcc,
"framerate", GST_TYPE_FRACTION, int(fps), 1,
NULL);
caps = gst_caps_fixate(caps);
#endif
#else
CV_Assert(!"Gstreamer 0.10.29 or newer is required for grayscale input");
#endif
}
@ -1296,11 +1314,13 @@ bool CvVideoWriter_GStreamer::writeFrame( const IplImage * image )
CV_ERROR(CV_StsUnsupportedFormat, "cvWriteFrame() needs images with depth = IPL_DEPTH_8U and nChannels = 3.");
}
}
#if FULL_GST_VERSION >= VERSION_NUM(0,10,29)
else if (input_pix_fmt == GST_VIDEO_FORMAT_GRAY8) {
if (image->nChannels != 1 || image->depth != IPL_DEPTH_8U) {
CV_ERROR(CV_StsUnsupportedFormat, "cvWriteFrame() needs images with depth = IPL_DEPTH_8U and nChannels = 1.");
}
}
#endif
else {
assert(false);
}