/*
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* xcam_analyzer.cpp - libxcam analyzer
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*
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* Copyright (c) 2014-2015 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Author: Wind Yuan <feng.yuan@intel.com>
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* Zong Wei <wei.zong@intel.com>
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* Jia Meng <jia.meng@intel.com>
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*/
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#include "xcam_analyzer.h"
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#include "x3a_stats_pool.h"
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namespace XCam {
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AnalyzerThread::AnalyzerThread (XAnalyzer *analyzer)
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: Thread ("AnalyzerThread")
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, _analyzer (analyzer)
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{}
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AnalyzerThread::~AnalyzerThread ()
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{
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_stats_queue.clear ();
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}
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bool
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AnalyzerThread::push_stats (const SmartPtr<VideoBuffer> &buffer)
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{
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_stats_queue.push (buffer);
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return true;
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}
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bool
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AnalyzerThread::started ()
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{
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XCamReturn ret = XCAM_RETURN_NO_ERROR;
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XCAM_ASSERT (_analyzer);
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ret = _analyzer->configure ();
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if (ret != XCAM_RETURN_NO_ERROR) {
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_analyzer->notify_calculation_failed (NULL, 0, "configure 3a failed");
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XCAM_LOG_WARNING ("analyzer(%s) configure 3a failed", XCAM_STR(_analyzer->get_name()));
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return false;
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}
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return true;
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}
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bool
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AnalyzerThread::loop ()
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{
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const static int32_t timeout = -1;
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SmartPtr<VideoBuffer> latest_stats;
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SmartPtr<VideoBuffer> stats = _stats_queue.pop (timeout);
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if (!stats.ptr()) {
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XCAM_LOG_DEBUG ("analyzer thread got empty stats, stop thread");
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return false;
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}
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//while ((latest_stats = _stats_queue.pop (0)).ptr ()) {
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// stats = latest_stats;
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// XCAM_LOG_WARNING ("lost 3a stats since 3a analyzer too slow");
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//}
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XCamReturn ret = _analyzer->analyze (stats);
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if (ret == XCAM_RETURN_NO_ERROR || ret == XCAM_RETURN_BYPASS)
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return true;
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XCAM_LOG_DEBUG ("analyzer(%s) failed to analyze 3a stats", XCAM_STR(_analyzer->get_name()));
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return false;
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}
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void
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AnalyzerCallback::x3a_calculation_done (XAnalyzer *analyzer, X3aResultList &results)
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{
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XCAM_UNUSED (analyzer);
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for (X3aResultList::iterator i_res = results.begin();
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i_res != results.end(); ++i_res) {
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SmartPtr<X3aResult> res = *i_res;
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if (res.ptr() == NULL) continue;
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XCAM_LOG_DEBUG (
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"calculated 3a result(type:0x%x, timestamp:" XCAM_TIMESTAMP_FORMAT ")",
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res->get_type (), XCAM_TIMESTAMP_ARGS (res->get_timestamp ()));
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}
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}
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void
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AnalyzerCallback::x3a_calculation_failed (XAnalyzer *analyzer, int64_t timestamp, const char *msg)
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{
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XCAM_UNUSED (analyzer);
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XCAM_LOG_WARNING (
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"Calculate 3a result failed, ts(" XCAM_TIMESTAMP_FORMAT "), msg:%s",
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XCAM_TIMESTAMP_ARGS (timestamp), XCAM_STR (msg));
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}
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XAnalyzer::XAnalyzer (const char *name)
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: _name (NULL)
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, _sync (false)
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, _started (false)
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, _width (0)
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, _height (0)
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, _framerate (30.0)
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, _callback (NULL)
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{
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if (name)
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_name = strndup (name, XCAM_MAX_STR_SIZE);
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_analyzer_thread = new AnalyzerThread (this);
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}
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XAnalyzer::~XAnalyzer()
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{
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if (_name)
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xcam_free (_name);
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}
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bool
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XAnalyzer::set_results_callback (AnalyzerCallback *callback)
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{
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XCAM_ASSERT (!_callback);
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_callback = callback;
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return true;
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}
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XCamReturn
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XAnalyzer::prepare_handlers ()
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{
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return create_handlers ();
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}
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XCamReturn
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XAnalyzer::init (uint32_t width, uint32_t height, double framerate)
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{
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XCAM_LOG_DEBUG ("Analyzer(%s) init.", XCAM_STR(get_name()));
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XCamReturn ret = XCAM_RETURN_NO_ERROR;
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XCAM_ASSERT (!_width && !_height);
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_width = width;
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_height = height;
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_framerate = framerate;
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ret = internal_init (width, height, _framerate);
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if (ret != XCAM_RETURN_NO_ERROR) {
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XCAM_LOG_WARNING ("analyzer init failed");
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deinit ();
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return ret;
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}
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XCAM_LOG_INFO (
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"Analyzer(%s) initialized(w:%d, h:%d).",
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XCAM_STR(get_name()), _width, _height);
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return XCAM_RETURN_NO_ERROR;
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}
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XCamReturn
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XAnalyzer::deinit ()
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{
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internal_deinit ();
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release_handlers ();
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_width = 0;
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_height = 0;
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XCAM_LOG_INFO ("Analyzer(%s) deinited.", XCAM_STR(get_name()));
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return XCAM_RETURN_NO_ERROR;
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}
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XCamReturn
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XAnalyzer::set_sync_mode (bool sync)
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{
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if (_started) {
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XCAM_LOG_ERROR ("can't set_sync_mode after analyzer started");
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return XCAM_RETURN_ERROR_PARAM;
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}
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_sync = sync;
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return XCAM_RETURN_NO_ERROR;
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}
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XCamReturn
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XAnalyzer::start ()
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{
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if (_sync) {
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XCamReturn ret = configure ();
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if (ret != XCAM_RETURN_NO_ERROR) {
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XCAM_LOG_ERROR ("analyzer failed to start in sync mode");
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stop ();
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return ret;
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}
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} else {
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if (_analyzer_thread->start () == false) {
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XCAM_LOG_WARNING ("analyzer thread start failed");
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stop ();
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return XCAM_RETURN_ERROR_THREAD;
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}
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}
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_started = true;
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XCAM_LOG_INFO ("Analyzer(%s) started in %s mode.", XCAM_STR(get_name()),
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_sync ? "sync" : "async");
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return XCAM_RETURN_NO_ERROR;
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}
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XCamReturn
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XAnalyzer::stop ()
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{
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if (!_sync) {
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_analyzer_thread->triger_stop ();
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_analyzer_thread->stop ();
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}
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_started = false;
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XCAM_LOG_INFO ("Analyzer(%s) stopped.", XCAM_STR(get_name()));
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return XCAM_RETURN_NO_ERROR;
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}
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XCamReturn
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XAnalyzer::push_buffer (const SmartPtr<VideoBuffer> &buffer)
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{
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XCamReturn ret = XCAM_RETURN_NO_ERROR;
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if (get_sync_mode ()) {
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ret = analyze (buffer);
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}
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else {
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if (!_analyzer_thread->is_running())
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return XCAM_RETURN_ERROR_THREAD;
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if (!_analyzer_thread->push_stats (buffer))
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return XCAM_RETURN_ERROR_THREAD;
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}
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return ret;
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}
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void
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XAnalyzer::set_results_timestamp (X3aResultList &results, int64_t timestamp)
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{
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if (results.empty ())
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return;
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X3aResultList::iterator i_results = results.begin ();
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for (; i_results != results.end (); ++i_results)
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{
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(*i_results)->set_timestamp(timestamp);
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}
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}
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void
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XAnalyzer::notify_calculation_failed (AnalyzerHandler *handler, int64_t timestamp, const char *msg)
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{
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XCAM_UNUSED (handler);
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if (_callback)
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_callback->x3a_calculation_failed (this, timestamp, msg);
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XCAM_LOG_DEBUG (
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"calculation failed on ts:" XCAM_TIMESTAMP_FORMAT ", reason:%s",
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XCAM_TIMESTAMP_ARGS (timestamp), XCAM_STR (msg));
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}
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void
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XAnalyzer::notify_calculation_done (X3aResultList &results)
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{
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XCAM_ASSERT (!results.empty ());
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if (_callback)
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_callback->x3a_calculation_done (this, results);
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}
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};
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