qv4l2: disable what shouldn't be touched while streaming.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>

diff --git a/utils/qv4l2/general-tab.cpp b/utils/qv4l2/general-tab.cpp
index 4c6777c..7cdb217 100644 (file)
--- a/utils/qv4l2/general-tab.cpp
+++ b/utils/qv4l2/general-tab.cpp
@@ -49,7 +49,10 @@ GeneralTab::GeneralTab(const QString &device, v4l2 &fd, int n, QWidget *parent)
        m_cols(n),
        m_isRadio(false),
        m_isVbi(false),
+       m_videoInput(NULL),
+       m_videoOutput(NULL),
        m_audioInput(NULL),
+       m_audioOutput(NULL),
        m_tvStandard(NULL),
        m_qryStandard(NULL),
        m_videoTimings(NULL),
@@ -57,10 +60,21 @@ GeneralTab::GeneralTab(const QString &device, v4l2 &fd, int n, QWidget *parent)
        m_crop(NULL),
        m_qryTimings(NULL),
        m_freq(NULL),
+       m_freqTable(NULL),
+       m_freqChannel(NULL),
+       m_audioMode(NULL),
+       m_subchannels(NULL),
+       m_stereoMode(NULL),
+       m_rdsMode(NULL),
+       m_detectSubchans(NULL),
        m_vidCapFormats(NULL),
        m_vidCapFields(NULL),
        m_frameSize(NULL),
+       m_frameWidth(NULL),
+       m_frameHeight(NULL),
+       m_frameInterval(NULL),
        m_vidOutFormats(NULL),
+       m_capMethods(NULL),
        m_vbiMethods(NULL),
        m_audioInDevice(NULL),
        m_audioOutDevice(NULL)
@@ -472,6 +486,34 @@ done:
        setRowStretch(rowCount() - 1, 1);
 }
 
+void GeneralTab::setHaveBuffers(bool haveBuffers)
+{
+       if (m_videoInput)
+               m_videoInput->setDisabled(haveBuffers);
+       if (m_videoOutput)
+               m_videoOutput->setDisabled(haveBuffers);
+       if (m_tvStandard)
+               m_tvStandard->setDisabled(haveBuffers);
+       if (m_videoTimings)
+               m_videoTimings->setDisabled(haveBuffers);
+       if (m_vidCapFormats)
+               m_vidCapFormats->setDisabled(haveBuffers);
+       if (m_vidCapFields)
+               m_vidCapFields->setDisabled(haveBuffers);
+       if (m_frameSize)
+               m_frameSize->setDisabled(haveBuffers);
+       if (m_frameWidth)
+               m_frameWidth->setDisabled(haveBuffers);
+       if (m_frameHeight)
+               m_frameHeight->setDisabled(haveBuffers);
+       if (m_vidOutFormats)
+               m_vidOutFormats->setDisabled(haveBuffers);
+       if (m_capMethods)
+               m_capMethods->setDisabled(haveBuffers);
+       if (m_vbiMethods)
+               m_vbiMethods->setDisabled(haveBuffers);
+}
+
 void GeneralTab::showAllAudioDevices(bool use)
 {
        QString oldIn(m_audioInDevice->currentText());
@@ -896,7 +938,6 @@ void GeneralTab::frameIntervalChanged(int idx)
                if (set_interval(frmival.discrete))
                        m_interval = frmival.discrete;
        }
-       updateVidCapFormat();
 }
 
 void GeneralTab::vidOutFormatChanged(int idx)
@@ -935,6 +976,20 @@ void GeneralTab::updateVideoInput()
                m_tvStandard->setEnabled(in.capabilities & V4L2_IN_CAP_STD);
                if (m_qryStandard)
                        m_qryStandard->setEnabled(in.capabilities & V4L2_IN_CAP_STD);
+               bool enableFreq = in.type == V4L2_INPUT_TYPE_TUNER;
+               if (m_freq)
+                       m_freq->setEnabled(enableFreq);
+               if (m_freqTable)
+                       m_freqTable->setEnabled(enableFreq);
+               if (m_freqChannel)
+                       m_freqChannel->setEnabled(enableFreq);
+               if (m_detectSubchans) {
+                       m_detectSubchans->setEnabled(enableFreq);
+                       if (!enableFreq)
+                               m_subchannels->setText("");
+                       else
+                               detectSubchansClicked();
+               }
        }
        if (m_videoTimings) {
                refreshTimings();
@@ -942,6 +997,8 @@ void GeneralTab::updateVideoInput()
                m_videoTimings->setEnabled(in.capabilities & V4L2_IN_CAP_DV_TIMINGS);
                m_qryTimings->setEnabled(in.capabilities & V4L2_IN_CAP_DV_TIMINGS);
        }
+       if (m_audioInput)
+               m_audioInput->setEnabled(in.audioset);
 }
 
 void GeneralTab::updateVideoOutput()

diff --git a/utils/qv4l2/general-tab.h b/utils/qv4l2/general-tab.h
index 9368999..f3f32a4 100644 (file)
--- a/utils/qv4l2/general-tab.h
+++ b/utils/qv4l2/general-tab.h
@@ -88,6 +88,7 @@ public:
        }
        inline bool streamon() { return v4l2::streamon(m_buftype); }
        inline bool streamoff() { return v4l2::streamoff(m_buftype); }
+       void setHaveBuffers(bool haveBuffers);
 
 public slots:
        void showAllAudioDevices(bool use);

diff --git a/utils/qv4l2/qv4l2.cpp b/utils/qv4l2/qv4l2.cpp
index 03b764a..83c9593 100644 (file)
--- a/utils/qv4l2/qv4l2.cpp
+++ b/utils/qv4l2/qv4l2.cpp
@@ -658,6 +658,7 @@ bool ApplicationWindow::startCapture(unsigned buffer_size)
        switch (m_capMethod) {
        case methodRead:
                m_snapshotAct->setEnabled(true);
+               m_genTab->setHaveBuffers(true);
                /* Nothing to do. */
                return true;
 
@@ -714,6 +715,7 @@ bool ApplicationWindow::startCapture(unsigned buffer_size)
                        goto error;
                }
                m_snapshotAct->setEnabled(true);
+               m_genTab->setHaveBuffers(true);
                return true;
 
        case methodUser:
@@ -754,6 +756,7 @@ bool ApplicationWindow::startCapture(unsigned buffer_size)
                        goto error;
                }
                m_snapshotAct->setEnabled(true);
+               m_genTab->setHaveBuffers(true);
                return true;
        }
 
@@ -808,6 +811,7 @@ void ApplicationWindow::stopCapture()
        }
        free(m_buffers);
        m_buffers = NULL;
+       m_genTab->setHaveBuffers(false);
        refresh();
 }