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GStreamer: implemented QCameraViewfinderSettingsControl2.

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Change-Id: I4436e39c152f6c251792c1504d4a7b57db7b9d9a
Reviewed-by: Christian Stromme <christian.stromme@theqtcompany.com>
This commit is contained in:
Yoann Lopes
2015-01-19 14:20:53 +01:00
parent 82e71d733f
commit e4bf7d90bf
12 changed files with 573 additions and 205 deletions
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220
src/gsttools/qgstutils.cpp
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@@ -149,15 +149,10 @@ QMap<QByteArray, QVariant> QGstUtils::gstTagListToMap(const GstTagList *tags)
*/
QSize QGstUtils::capsResolution(const GstCaps *caps)
{
QSize size;
if (gst_caps_get_size(caps) == 0)
return QSize();
if (caps) {
const GstStructure *structure = gst_caps_get_structure(caps, 0);
gst_structure_get_int(structure, "width", &size.rwidth());
gst_structure_get_int(structure, "height", &size.rheight());
}
return size;
return structureResolution(gst_caps_get_structure(caps, 0));
}
/*!
@@ -169,14 +164,12 @@ QSize QGstUtils::capsCorrectedResolution(const GstCaps *caps)
QSize size;
if (caps) {
const GstStructure *structure = gst_caps_get_structure(caps, 0);
gst_structure_get_int(structure, "width", &size.rwidth());
gst_structure_get_int(structure, "height", &size.rheight());
size = capsResolution(caps);
gint aspectNum = 0;
gint aspectDenum = 0;
if (!size.isEmpty() && gst_structure_get_fraction(
structure, "pixel-aspect-ratio", &aspectNum, &aspectDenum)) {
gst_caps_get_structure(caps, 0), "pixel-aspect-ratio", &aspectNum, &aspectDenum)) {
if (aspectDenum > 0)
size.setWidth(size.width()*aspectNum/aspectDenum);
}
@@ -1048,20 +1041,23 @@ static int indexOfRgbColor(
QVideoSurfaceFormat QGstUtils::formatForCaps(
GstCaps *caps, GstVideoInfo *info, QAbstractVideoBuffer::HandleType handleType)
{
if (gst_video_info_from_caps(info, caps)) {
int index = indexOfVideoFormat(info->finfo->format);
GstVideoInfo vidInfo;
GstVideoInfo *infoPtr = info ? info : &vidInfo;
if (gst_video_info_from_caps(infoPtr, caps)) {
int index = indexOfVideoFormat(infoPtr->finfo->format);
if (index != -1) {
QVideoSurfaceFormat format(
QSize(info->width, info->height),
QSize(infoPtr->width, infoPtr->height),
qt_videoFormatLookup[index].pixelFormat,
handleType);
if (info->fps_d > 0)
format.setFrameRate(qreal(info->fps_n) / info->fps_d);
if (infoPtr->fps_d > 0)
format.setFrameRate(qreal(infoPtr->fps_n) / infoPtr->fps_d);
if (info->par_d > 0)
format.setPixelAspectRatio(info->par_n, info->par_d);
if (infoPtr->par_d > 0)
format.setPixelAspectRatio(infoPtr->par_n, infoPtr->par_d);
return format;
}
@@ -1076,60 +1072,18 @@ QVideoSurfaceFormat QGstUtils::formatForCaps(
{
const GstStructure *structure = gst_caps_get_structure(caps, 0);
QVideoFrame::PixelFormat pixelFormat = QVideoFrame::Format_Invalid;
int bitsPerPixel = 0;
QSize size;
gst_structure_get_int(structure, "width", &size.rwidth());
gst_structure_get_int(structure, "height", &size.rheight());
if (qstrcmp(gst_structure_get_name(structure), "video/x-raw-yuv") == 0) {
guint32 fourcc = 0;
gst_structure_get_fourcc(structure, "format", &fourcc);
int index = indexOfYuvColor(fourcc);
if (index != -1) {
pixelFormat = qt_yuvColorLookup[index].pixelFormat;
bitsPerPixel = qt_yuvColorLookup[index].bitsPerPixel;
}
} else if (qstrcmp(gst_structure_get_name(structure), "video/x-raw-rgb") == 0) {
int depth = 0;
int endianness = 0;
int red = 0;
int green = 0;
int blue = 0;
int alpha = 0;
gst_structure_get_int(structure, "bpp", &bitsPerPixel);
gst_structure_get_int(structure, "depth", &depth);
gst_structure_get_int(structure, "endianness", &endianness);
gst_structure_get_int(structure, "red_mask", &red);
gst_structure_get_int(structure, "green_mask", &green);
gst_structure_get_int(structure, "blue_mask", &blue);
gst_structure_get_int(structure, "alpha_mask", &alpha);
int index = indexOfRgbColor(bitsPerPixel, depth, endianness, red, green, blue, alpha);
if (index != -1)
pixelFormat = qt_rgbColorLookup[index].pixelFormat;
}
QSize size = structureResolution(structure);
QVideoFrame::PixelFormat pixelFormat = structurePixelFormat(structure, &bitsPerPixel);
if (pixelFormat != QVideoFrame::Format_Invalid) {
QVideoSurfaceFormat format(size, pixelFormat, handleType);
QPair<int, int> rate;
gst_structure_get_fraction(structure, "framerate", &rate.first, &rate.second);
QPair<qreal, qreal> rate = structureFrameRateRange(structure);
if (rate.second)
format.setFrameRate(qreal(rate.first)/rate.second);
format.setFrameRate(rate.second);
gint aspectNum = 0;
gint aspectDenum = 0;
if (gst_structure_get_fraction(
structure, "pixel-aspect-ratio", &aspectNum, &aspectDenum)) {
if (aspectDenum > 0)
format.setPixelAspectRatio(aspectNum, aspectDenum);
}
format.setPixelAspectRatio(structurePixelAspectRatio(structure));
if (bytesPerLine)
*bytesPerLine = ((size.width() * bitsPerPixel / 8) + 3) & ~3;
@@ -1304,6 +1258,118 @@ GstCaps *QGstUtils::videoFilterCaps()
return gst_caps_make_writable(gst_static_caps_get(&staticCaps));
}
QSize QGstUtils::structureResolution(const GstStructure *s)
{
QSize size;
int w, h;
if (s && gst_structure_get_int(s, "width", &w) && gst_structure_get_int(s, "height", &h)) {
size.rwidth() = w;
size.rheight() = h;
}
return size;
}
QVideoFrame::PixelFormat QGstUtils::structurePixelFormat(const GstStructure *structure, int *bpp)
{
QVideoFrame::PixelFormat pixelFormat = QVideoFrame::Format_Invalid;
if (!structure)
return pixelFormat;
#if GST_CHECK_VERSION(1,0,0)
Q_UNUSED(bpp);
if (gst_structure_has_name(structure, "video/x-raw")) {
const gchar *s = gst_structure_get_string(structure, "format");
if (s) {
GstVideoFormat format = gst_video_format_from_string(s);
int index = indexOfVideoFormat(format);
if (index != -1)
pixelFormat = qt_videoFormatLookup[index].pixelFormat;
}
}
#else
if (qstrcmp(gst_structure_get_name(structure), "video/x-raw-yuv") == 0) {
guint32 fourcc = 0;
gst_structure_get_fourcc(structure, "format", &fourcc);
int index = indexOfYuvColor(fourcc);
if (index != -1) {
pixelFormat = qt_yuvColorLookup[index].pixelFormat;
if (bpp)
*bpp = qt_yuvColorLookup[index].bitsPerPixel;
}
} else if (qstrcmp(gst_structure_get_name(structure), "video/x-raw-rgb") == 0) {
int bitsPerPixel = 0;
int depth = 0;
int endianness = 0;
int red = 0;
int green = 0;
int blue = 0;
int alpha = 0;
gst_structure_get_int(structure, "bpp", &bitsPerPixel);
gst_structure_get_int(structure, "depth", &depth);
gst_structure_get_int(structure, "endianness", &endianness);
gst_structure_get_int(structure, "red_mask", &red);
gst_structure_get_int(structure, "green_mask", &green);
gst_structure_get_int(structure, "blue_mask", &blue);
gst_structure_get_int(structure, "alpha_mask", &alpha);
int index = indexOfRgbColor(bitsPerPixel, depth, endianness, red, green, blue, alpha);
if (index != -1) {
pixelFormat = qt_rgbColorLookup[index].pixelFormat;
if (bpp)
*bpp = qt_rgbColorLookup[index].bitsPerPixel;
}
}
#endif
return pixelFormat;
}
QSize QGstUtils::structurePixelAspectRatio(const GstStructure *s)
{
QSize ratio(1, 1);
gint aspectNum = 0;
gint aspectDenum = 0;
if (s && gst_structure_get_fraction(s, "pixel-aspect-ratio", &aspectNum, &aspectDenum)) {
if (aspectDenum > 0) {
ratio.rwidth() = aspectNum;
ratio.rheight() = aspectDenum;
}
}
return ratio;
}
QPair<qreal, qreal> QGstUtils::structureFrameRateRange(const GstStructure *s)
{
QPair<qreal, qreal> rate;
if (!s)
return rate;
int n, d;
if (gst_structure_get_fraction(s, "framerate", &n, &d)) {
rate.second = qreal(n) / d;
rate.first = rate.second;
} else if (gst_structure_get_fraction(s, "max-framerate", &n, &d)) {
rate.second = qreal(n) / d;
if (gst_structure_get_fraction(s, "min-framerate", &n, &d))
rate.first = qreal(n) / d;
else
rate.first = qreal(1);
}
return rate;
}
void qt_gst_object_ref_sink(gpointer object)
{
#if GST_CHECK_VERSION(0,10,24)
@@ -1331,6 +1397,15 @@ GstCaps *qt_gst_pad_get_current_caps(GstPad *pad)
#endif
}
GstCaps *qt_gst_pad_get_caps(GstPad *pad)
{
#if GST_CHECK_VERSION(1,0,0)
return gst_pad_query_caps(pad, NULL);
#else
return gst_pad_get_caps_reffed(pad);
#endif
}
GstStructure *qt_gst_structure_new_empty(const char *name)
{
#if GST_CHECK_VERSION(1,0,0)
@@ -1358,6 +1433,19 @@ gboolean qt_gst_element_query_duration(GstElement *element, GstFormat format, gi
#endif
}
GstCaps *qt_gst_caps_normalize(GstCaps *caps)
{
#if GST_CHECK_VERSION(1,0,0)
// gst_caps_normalize() takes ownership of the argument in 1.0
return gst_caps_normalize(caps);
#else
// in 0.10, it doesn't. Unref the argument to mimic the 1.0 behavior
GstCaps *res = gst_caps_normalize(caps);
gst_caps_unref(caps);
return res;
#endif
}
QDebug operator <<(QDebug debug, GstCaps *caps)
{
if (caps) {