717 lines
20 KiB
C++
717 lines
20 KiB
C++
/* GStreamer
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* Copyright (C) 2011 FIXME <fixme@example.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
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* Boston, MA 02110-1335, USA.
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*/
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/**
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* SECTION:element-gstsaperasrc
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*
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* The saperasrc element is a source for Teledyne DALSA Sapera framegrabbers.
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*
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* <refsect2>
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* <title>Example launch line</title>
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* |[
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* gst-launch -v saperasrc ! ffmpegcolorspace ! autovideosink
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* ]|
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* Shows video from the default DALSA framegrabber
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* </refsect2>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/video/video.h>
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#include "gstsaperasrc.h"
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GST_DEBUG_CATEGORY_STATIC (gst_saperasrc_debug);
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#define GST_CAT_DEFAULT gst_saperasrc_debug
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gboolean gst_saperasrc_create_objects (GstSaperaSrc * src);
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gboolean gst_saperasrc_destroy_objects (GstSaperaSrc * src);
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class SapMyProcessing:public SapProcessing
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{
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public:
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SapMyProcessing (SapBuffer * pBuffers, SapProCallback pCallback,
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void *pContext)
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: SapProcessing (pBuffers, pCallback, pContext)
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{
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src = (GstSaperaSrc *) pContext;
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}
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virtual ~ SapMyProcessing ()
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{
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if (m_bInitOK)
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Destroy ();
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}
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protected:
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virtual BOOL Run () {
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// TODO: handle bayer
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//if (src->sap_bayer->IsEnabled () && src->sap_bayer->IsSoftware ()) {
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// src->sap_bayer->Convert (GetIndex());
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//}
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push_buffer ();
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return TRUE;
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}
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gboolean push_buffer ()
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{
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void *pData;
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GstMapInfo minfo;
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// TODO: check for failure
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src->sap_buffers->GetAddress (&pData);
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int pitch = src->sap_buffers->GetPitch ();
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int height = src->sap_buffers->GetHeight ();
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gssize size = pitch * height;
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GstBuffer *buf;
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/* create a new buffer assign to it the clock time as timestamp */
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buf = gst_buffer_new_and_alloc (size);
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gst_buffer_set_size (buf, size);
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GstClock *clock = gst_element_get_clock (GST_ELEMENT (src));
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GST_BUFFER_TIMESTAMP (buf) =
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GST_CLOCK_DIFF (gst_element_get_base_time (GST_ELEMENT (src)),
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gst_clock_get_time (clock));
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gst_object_unref (clock);
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// TODO: define duration?
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//GST_BUFFER_DURATION (buf) = duration;
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if (!gst_buffer_map (buf, &minfo, GST_MAP_WRITE)) {
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gst_buffer_unref (buf);
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GST_ERROR_OBJECT (src, "Failed to map buffer");
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return FALSE;
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}
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// TODO: optimize this
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if (pitch == src->gst_stride) {
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memcpy (minfo.data, pData, size);
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} else {
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for (int line = 0; line < src->height; line++) {
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memcpy (minfo.data + (line * src->gst_stride),
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(guint8 *) pData + (line * pitch), pitch);
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}
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}
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src->sap_buffers->ReleaseAddress (pData);
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gst_buffer_unmap (buf, &minfo);
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GST_DEBUG ("push_buffer => pts %" GST_TIME_FORMAT,
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GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)));
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g_mutex_lock (&src->buffer_mutex);
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if (src->buffer != NULL)
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gst_buffer_unref (src->buffer);
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src->buffer = buf;
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g_cond_signal (&src->buffer_cond);
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g_mutex_unlock (&src->buffer_mutex);
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return TRUE;
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}
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protected:
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GstSaperaSrc * src;
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};
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void
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gst_saperasrc_xfer_callback (SapXferCallbackInfo * pInfo)
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{
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GstSaperaSrc *src = (GstSaperaSrc *) pInfo->GetContext ();
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if (pInfo->IsTrash ()) {
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/* TODO: update dropped buffer count */
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} else {
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/* Process current buffer */
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src->sap_pro->Execute ();
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}
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}
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void
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gst_saperasrc_pro_callback (SapProCallbackInfo * pInfo)
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{
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GstSaperaSrc *src = (GstSaperaSrc *) pInfo->GetContext ();
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/* TODO: handle buffer */
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}
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gboolean
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gst_saperasrc_init_objects (GstSaperaSrc * src)
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{
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char name[128];
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GST_DEBUG_OBJECT (src, "There are %d servers available",
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SapManager::GetServerCount ());
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if (!SapManager::GetServerName (src->server_index, name)) {
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GST_ERROR_OBJECT (src, "Invalid server index %d", src->server_index);
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return FALSE;
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}
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GST_DEBUG_OBJECT (src, "Trying to open server index %d ('%s')",
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src->server_index, name);
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GST_DEBUG_OBJECT (src, "Resource count: %d",
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SapManager::GetResourceCount (src->server_index,
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SapManager::ResourceAcq));
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if (!SapManager::GetResourceName (src->server_index, SapManager::ResourceAcq,
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src->resource_index, name, 128)) {
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GST_ERROR_OBJECT (src, "Invalid resource index %d", src->resource_index);
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return FALSE;
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}
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GST_DEBUG_OBJECT (src, "Trying to open resource '%s'", name);
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SapLocation loc (src->server_index, src->resource_index);
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src->sap_acq = new SapAcquisition (loc, src->format_file);
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/* TODO: allow configuring buffer count? */
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src->sap_buffers = new SapBufferWithTrash (3, src->sap_acq);
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src->sap_xfer =
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new SapAcqToBuf (src->sap_acq, src->sap_buffers,
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gst_saperasrc_xfer_callback, src);
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// TODO: handle bayer
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//src->sap_bayer = new SapBayer(m_Acq, m_Buffers);
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src->sap_pro =
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new SapMyProcessing (src->sap_buffers, gst_saperasrc_pro_callback, src);
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return TRUE;
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}
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gboolean
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gst_saperasrc_create_objects (GstSaperaSrc * src)
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{
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UINT32 video_type = 0;
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/* Create acquisition object */
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if (src->sap_acq && !*src->sap_acq && !src->sap_acq->Create ()) {
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gst_saperasrc_destroy_objects (src);
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return FALSE;
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}
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if (!src->sap_acq->GetParameter (CORACQ_PRM_VIDEO, &video_type)) {
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gst_saperasrc_destroy_objects (src);
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return FALSE;
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}
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/* TODO: handle Bayer
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//if (videoType != CORACQ_VAL_VIDEO_BAYER)
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// Enable/Disable bayer conversion
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// This call may require to modify the acquisition output format.
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// For this reason, it has to be done after creating the acquisition object but before
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// creating the output buffer object.
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//if( m_Bayer && !m_Bayer->Enable( m_BayerEnabled, m_BayerUseHardware))
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//{
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// m_BayerEnabled= FALSE;
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//} */
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// Create buffer objects
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if (src->sap_buffers && !*src->sap_buffers) {
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if (!src->sap_buffers->Create ()) {
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gst_saperasrc_destroy_objects (src);
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return FALSE;
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}
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// Clear all buffers
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src->sap_buffers->Clear ();
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}
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/* TODO: handle Bayer
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// Create bayer object
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//if (m_Bayer && !*m_Bayer && !m_Bayer->Create())
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//{
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// DestroyObjects();
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// return FALSE;
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//} */
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/* Create transfer object */
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if (src->sap_xfer && !*src->sap_xfer) {
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if (!src->sap_xfer->Create ()) {
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gst_saperasrc_destroy_objects (src);
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return FALSE;
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}
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src->sap_xfer->SetAutoEmpty (FALSE);
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}
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/* Create processing object */
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if (src->sap_pro && !*src->sap_pro) {
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if (!src->sap_pro->Create ()) {
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gst_saperasrc_destroy_objects (src);
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return FALSE;
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}
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src->sap_pro->SetAutoEmpty (TRUE);
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}
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return TRUE;
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}
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gboolean
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gst_saperasrc_destroy_objects (GstSaperaSrc * src)
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{
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if (src->sap_xfer && *src->sap_xfer)
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src->sap_xfer->Destroy ();
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if (src->sap_pro && *src->sap_pro)
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src->sap_pro->Destroy ();
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// TODO: handle bayer
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//if (src->sap_bayer && *src->sap_bayer) src->sap_bayer->Destroy ();
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if (src->sap_buffers && *src->sap_buffers)
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src->sap_buffers->Destroy ();
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if (src->sap_acq && *src->sap_acq)
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src->sap_acq->Destroy ();
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return TRUE;
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}
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/* prototypes */
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static void gst_saperasrc_set_property (GObject * object,
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guint property_id, const GValue * value, GParamSpec * pspec);
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static void gst_saperasrc_get_property (GObject * object,
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guint property_id, GValue * value, GParamSpec * pspec);
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static void gst_saperasrc_dispose (GObject * object);
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static void gst_saperasrc_finalize (GObject * object);
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static gboolean gst_saperasrc_start (GstBaseSrc * src);
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static gboolean gst_saperasrc_stop (GstBaseSrc * src);
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static GstCaps *gst_saperasrc_get_caps (GstBaseSrc * src, GstCaps * filter);
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static gboolean gst_saperasrc_set_caps (GstBaseSrc * src, GstCaps * caps);
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static GstFlowReturn gst_saperasrc_create (GstPushSrc * src, GstBuffer ** buf);
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static GstCaps *gst_saperasrc_create_caps (GstSaperaSrc * src);
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enum
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{
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PROP_0,
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PROP_FORMAT_FILE,
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PROP_NUM_CAPTURE_BUFFERS,
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PROP_SERVER_INDEX,
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PROP_RESOURCE_INDEX,
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};
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#define DEFAULT_PROP_FORMAT_FILE ""
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#define DEFAULT_PROP_NUM_CAPTURE_BUFFERS 2
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#define DEFAULT_PROP_SERVER_INDEX 1
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#define DEFAULT_PROP_RESOURCE_INDEX 0
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/* pad templates */
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static GstStaticPadTemplate gst_saperasrc_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE
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("{ GRAY8, GRAY16_LE, GRAY16_BE, BGR, BGRA }"))
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);
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/* class initialization */
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G_DEFINE_TYPE (GstSaperaSrc, gst_saperasrc, GST_TYPE_PUSH_SRC);
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static void
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gst_saperasrc_class_init (GstSaperaSrcClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
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GstBaseSrcClass *gstbasesrc_class = GST_BASE_SRC_CLASS (klass);
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GstPushSrcClass *gstpushsrc_class = GST_PUSH_SRC_CLASS (klass);
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gobject_class->set_property = gst_saperasrc_set_property;
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gobject_class->get_property = gst_saperasrc_get_property;
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gobject_class->dispose = gst_saperasrc_dispose;
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gobject_class->finalize = gst_saperasrc_finalize;
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_saperasrc_src_template));
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gst_element_class_set_static_metadata (gstelement_class,
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"Teledyne DALSA Sapera Video Source", "Source/Video",
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"Teledyne DALSA Sapera framegrabber video source",
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"Joshua M. Doe <oss@nvl.army.mil>");
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gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_saperasrc_start);
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gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_saperasrc_stop);
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gstbasesrc_class->get_caps = GST_DEBUG_FUNCPTR (gst_saperasrc_get_caps);
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gstbasesrc_class->set_caps = GST_DEBUG_FUNCPTR (gst_saperasrc_set_caps);
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gstpushsrc_class->create = GST_DEBUG_FUNCPTR (gst_saperasrc_create);
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/* Install GObject properties */
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g_object_class_install_property (gobject_class, PROP_FORMAT_FILE,
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g_param_spec_string ("format-file", "Format file",
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"Filepath of the video file for the selected camera "
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"(specify only one of format-name or format-file)",
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DEFAULT_PROP_FORMAT_FILE,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
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GST_PARAM_MUTABLE_READY)));
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g_object_class_install_property (gobject_class, PROP_NUM_CAPTURE_BUFFERS,
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g_param_spec_uint ("num-capture-buffers", "Number of capture buffers",
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"Number of capture buffers", 1, G_MAXUINT,
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DEFAULT_PROP_NUM_CAPTURE_BUFFERS,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class, PROP_SERVER_INDEX,
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g_param_spec_int ("server-index", "Server index",
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"Server (frame grabber card) index", 0, G_MAXINT,
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DEFAULT_PROP_SERVER_INDEX,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class, PROP_RESOURCE_INDEX,
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g_param_spec_int ("resource-index", "Resource index",
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"Resource index, such as different ports or configurations", 0,
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G_MAXINT, DEFAULT_PROP_RESOURCE_INDEX,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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}
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static void
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gst_saperasrc_reset (GstSaperaSrc * src)
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{
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src->dropped_frame_count = 0;
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src->last_buffer_number = 0;
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src->acq_started = FALSE;
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if (src->caps) {
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gst_caps_unref (src->caps);
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src->caps = NULL;
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}
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if (src->buffer) {
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gst_buffer_unref (src->buffer);
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src->buffer = NULL;
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}
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gst_saperasrc_destroy_objects (src);
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delete src->sap_acq;
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src->sap_acq = NULL;
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delete src->sap_buffers;
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src->sap_buffers = NULL;
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delete src->sap_bayer;
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src->sap_bayer = NULL;
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delete src->sap_xfer;
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src->sap_xfer = NULL;
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delete src->sap_pro;
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src->sap_pro = NULL;
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}
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static void
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gst_saperasrc_init (GstSaperaSrc * src)
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{
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/* set source as live (no preroll) */
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gst_base_src_set_live (GST_BASE_SRC (src), TRUE);
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/* override default of BYTES to operate in time mode */
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gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
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/* initialize member variables */
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src->format_file = g_strdup (DEFAULT_PROP_FORMAT_FILE);
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src->num_capture_buffers = DEFAULT_PROP_NUM_CAPTURE_BUFFERS;
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g_mutex_init (&src->buffer_mutex);
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g_cond_init (&src->buffer_cond);
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src->caps = NULL;
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src->buffer = NULL;
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gst_saperasrc_reset (src);
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}
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void
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gst_saperasrc_set_property (GObject * object, guint property_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstSaperaSrc *src;
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src = GST_SAPERA_SRC (object);
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switch (property_id) {
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case PROP_FORMAT_FILE:
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g_free (src->format_file);
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src->format_file = g_strdup (g_value_get_string (value));
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break;
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case PROP_NUM_CAPTURE_BUFFERS:
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if (src->acq_started) {
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GST_ELEMENT_WARNING (src, RESOURCE, SETTINGS,
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("Number of capture buffers cannot be changed after acquisition has started."),
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(NULL));
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} else {
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src->num_capture_buffers = g_value_get_uint (value);
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}
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break;
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case PROP_SERVER_INDEX:
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src->server_index = g_value_get_int (value);
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break;
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case PROP_RESOURCE_INDEX:
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src->resource_index = g_value_get_int (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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void
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gst_saperasrc_get_property (GObject * object, guint property_id,
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GValue * value, GParamSpec * pspec)
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{
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GstSaperaSrc *src;
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g_return_if_fail (GST_IS_SAPERA_SRC (object));
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src = GST_SAPERA_SRC (object);
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switch (property_id) {
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case PROP_FORMAT_FILE:
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g_value_set_string (value, src->format_file);
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break;
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case PROP_NUM_CAPTURE_BUFFERS:
|
|
g_value_set_uint (value, src->num_capture_buffers);
|
|
break;
|
|
case PROP_SERVER_INDEX:
|
|
g_value_set_int (value, src->server_index);
|
|
break;
|
|
case PROP_RESOURCE_INDEX:
|
|
g_value_set_int (value, src->resource_index);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
gst_saperasrc_dispose (GObject * object)
|
|
{
|
|
GstSaperaSrc *src;
|
|
|
|
g_return_if_fail (GST_IS_SAPERA_SRC (object));
|
|
src = GST_SAPERA_SRC (object);
|
|
|
|
/* clean up as possible. may be called multiple times */
|
|
|
|
G_OBJECT_CLASS (gst_saperasrc_parent_class)->dispose (object);
|
|
}
|
|
|
|
void
|
|
gst_saperasrc_finalize (GObject * object)
|
|
{
|
|
GstSaperaSrc *src;
|
|
|
|
g_return_if_fail (GST_IS_SAPERA_SRC (object));
|
|
src = GST_SAPERA_SRC (object);
|
|
|
|
/* clean up object here */
|
|
g_free (src->format_file);
|
|
|
|
if (src->caps) {
|
|
gst_caps_unref (src->caps);
|
|
src->caps = NULL;
|
|
}
|
|
|
|
if (src->buffer) {
|
|
gst_buffer_unref (src->buffer);
|
|
src->buffer = NULL;
|
|
}
|
|
|
|
G_OBJECT_CLASS (gst_saperasrc_parent_class)->finalize (object);
|
|
}
|
|
|
|
static gboolean
|
|
gst_saperasrc_start (GstBaseSrc * bsrc)
|
|
{
|
|
GstSaperaSrc *src = GST_SAPERA_SRC (bsrc);
|
|
GstVideoInfo vinfo;
|
|
SapFormat sap_format;
|
|
GstVideoFormat gst_format;
|
|
|
|
GST_DEBUG_OBJECT (src, "start");
|
|
|
|
if (!strlen (src->format_file)) {
|
|
GST_ERROR_OBJECT (src, "Format file must be specified");
|
|
return FALSE;
|
|
}
|
|
|
|
if (!g_file_test (src->format_file, G_FILE_TEST_EXISTS)) {
|
|
GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND,
|
|
("Format file does not exist: %s", src->format_file), (NULL));
|
|
return FALSE;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (src, "About to initialize and create Sapera objects");
|
|
if (!gst_saperasrc_init_objects (src) || !gst_saperasrc_create_objects (src)) {
|
|
GST_ERROR_OBJECT (src, "Failed to create Sapera objects");
|
|
return FALSE;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (src, "Creating caps from Sapera buffer format");
|
|
sap_format = src->sap_buffers->GetFormat ();
|
|
switch (sap_format) {
|
|
case SapFormatMono8:
|
|
gst_format = GST_VIDEO_FORMAT_GRAY8;
|
|
break;
|
|
case SapFormatMono16:
|
|
gst_format = GST_VIDEO_FORMAT_GRAY16_LE;
|
|
break;
|
|
case SapFormatRGB888:
|
|
gst_format = GST_VIDEO_FORMAT_BGR;
|
|
break;
|
|
case SapFormatRGB8888:
|
|
gst_format = GST_VIDEO_FORMAT_BGRA;
|
|
break;
|
|
default:
|
|
gst_format = GST_VIDEO_FORMAT_UNKNOWN;
|
|
}
|
|
|
|
if (gst_format == GST_VIDEO_FORMAT_UNKNOWN) {
|
|
char format_name[17];
|
|
SapManager::GetStringFromFormat (sap_format, format_name);
|
|
GST_ERROR_OBJECT (src, "Unsupported format: %s", format_name);
|
|
|
|
}
|
|
|
|
gst_video_info_init (&vinfo);
|
|
vinfo.width = src->sap_buffers->GetWidth ();
|
|
vinfo.height = src->sap_buffers->GetHeight ();
|
|
vinfo.finfo = gst_video_format_get_info (gst_format);
|
|
src->caps = gst_video_info_to_caps (&vinfo);
|
|
|
|
src->height = vinfo.height;
|
|
src->gst_stride = GST_VIDEO_INFO_COMP_STRIDE (&vinfo, 0);
|
|
|
|
if (!src->sap_xfer->Grab ()) {
|
|
GST_ERROR_OBJECT (src, "Failed to start grab");
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_saperasrc_stop (GstBaseSrc * bsrc)
|
|
{
|
|
GstSaperaSrc *src = GST_SAPERA_SRC (bsrc);
|
|
|
|
GST_DEBUG_OBJECT (src, "stop");
|
|
|
|
if (!src->sap_xfer->Freeze ()) {
|
|
GST_ERROR_OBJECT (src, "Failed to stop camera acquisition");
|
|
return FALSE;
|
|
}
|
|
|
|
if (!src->sap_xfer->Wait (250)) {
|
|
GST_ERROR_OBJECT (src, "Acquisition failed to stop camera, aborting");
|
|
src->sap_xfer->Abort ();
|
|
return FALSE;
|
|
}
|
|
|
|
gst_saperasrc_reset (src);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GstCaps *
|
|
gst_saperasrc_get_caps (GstBaseSrc * bsrc, GstCaps * filter)
|
|
{
|
|
GstSaperaSrc *src = GST_SAPERA_SRC (bsrc);
|
|
GstCaps *caps;
|
|
|
|
if (src->sap_acq && *src->sap_acq) {
|
|
caps = gst_caps_copy (src->caps);
|
|
} else {
|
|
caps = gst_pad_get_pad_template_caps (GST_BASE_SRC_PAD (src));
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (src, "The caps before filtering are %" GST_PTR_FORMAT,
|
|
caps);
|
|
|
|
if (filter && caps) {
|
|
GstCaps *tmp = gst_caps_intersect (caps, filter);
|
|
gst_caps_unref (caps);
|
|
caps = tmp;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (src, "The caps after filtering are %" GST_PTR_FORMAT, caps);
|
|
|
|
return caps;
|
|
}
|
|
|
|
static gboolean
|
|
gst_saperasrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
|
|
{
|
|
GstSaperaSrc *src = GST_SAPERA_SRC (bsrc);
|
|
GstVideoInfo vinfo;
|
|
GstStructure *s = gst_caps_get_structure (caps, 0);
|
|
|
|
GST_DEBUG_OBJECT (src, "The caps being set are %" GST_PTR_FORMAT, caps);
|
|
|
|
gst_video_info_from_caps (&vinfo, caps);
|
|
|
|
if (GST_VIDEO_INFO_FORMAT (&vinfo) != GST_VIDEO_FORMAT_UNKNOWN) {
|
|
src->gst_stride = GST_VIDEO_INFO_COMP_STRIDE (&vinfo, 0);
|
|
} else {
|
|
goto unsupported_caps;
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
unsupported_caps:
|
|
GST_ERROR_OBJECT (src, "Unsupported caps: %" GST_PTR_FORMAT, caps);
|
|
return FALSE;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_saperasrc_create (GstPushSrc * psrc, GstBuffer ** buf)
|
|
{
|
|
GstSaperaSrc *src = GST_SAPERA_SRC (psrc);
|
|
|
|
g_mutex_lock (&src->buffer_mutex);
|
|
while (src->buffer == NULL)
|
|
g_cond_wait (&src->buffer_cond, &src->buffer_mutex);
|
|
*buf = src->buffer;
|
|
src->buffer = NULL;
|
|
g_mutex_unlock (&src->buffer_mutex);
|
|
|
|
GST_DEBUG ("saperasrc_create => pts %" GST_TIME_FORMAT " duration %"
|
|
GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (*buf)),
|
|
GST_TIME_ARGS (GST_BUFFER_DURATION (*buf)));
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static gboolean
|
|
plugin_init (GstPlugin * plugin)
|
|
{
|
|
GST_DEBUG_CATEGORY_INIT (gst_saperasrc_debug, "saperasrc", 0,
|
|
"debug category for saperasrc element");
|
|
gst_element_register (plugin, "saperasrc", GST_RANK_NONE,
|
|
gst_saperasrc_get_type ());
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
GST_VERSION_MINOR,
|
|
sapera,
|
|
"Teledyne DALSA Sapera frame grabber source",
|
|
plugin_init, VERSION, "LGPL", PACKAGE_NAME, GST_PACKAGE_ORIGIN)
|