From 31bacb9c5d7e66ddc2403520ee60f76205f64937 Mon Sep 17 00:00:00 2001
From: Denis Loh <denis.loh@gmail.com>
Date: Tue, 27 Oct 2009 21:24:59 +0100
Subject: I forgot two files :)

---
 misc/avdetector.cpp | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 misc/avdetector.cpp

(limited to 'misc/avdetector.cpp')

diff --git a/misc/avdetector.cpp b/misc/avdetector.cpp
new file mode 100644
index 0000000..d66988e
--- /dev/null
+++ b/misc/avdetector.cpp
@@ -0,0 +1,66 @@
+/* 
+ * File:   avdetector.cpp
+ * Author: savop
+ * 
+ * Created on 26. Oktober 2009, 13:01
+ */
+
+#include "avdetector.h"
+extern "C" {
+#include <libavformat/avformat.h>
+#include <libavcodec/avcodec.h>
+}
+
+using namespace std;
+
+int cAudioVideoDetector::detectVideoProperties(cUPnPResource* Resource, const char* Filename){
+//    // Register avformat
+    av_register_all();
+
+    AVFormatContext *FormatCtx = NULL;
+    if(av_open_input_file(&FormatCtx, Filename, NULL, 0, NULL)){
+        ERROR("AVDetector: Error while opening file %s", Filename);
+        return -1;
+    }
+
+    if(av_find_stream_info(FormatCtx)<0){
+        ERROR("AVDetector: Cannot find the stream information");
+        return -1;
+    }
+
+#ifdef DEBUG
+    dump_format(FormatCtx, 0, Filename, 0);
+#endif
+
+    unsigned int i; int videoStream = -1;
+
+    AVCodecContext *CodecCtx = NULL;
+    for(i = 0; i < FormatCtx->nb_streams; i++){
+        if(FormatCtx->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO){
+            videoStream = i;
+            break;
+        }
+    }
+    if(videoStream == -1){
+        ERROR("AVDetector: No video stream found");
+        return -1;
+    }
+
+    CodecCtx = FormatCtx->streams[videoStream]->codec;
+
+    AVCodec* Codec = avcodec_find_decoder(CodecCtx->codec_id);
+
+    unsigned int width = CodecCtx->width;
+    unsigned int height = CodecCtx->height;
+    unsigned int bitrate = CodecCtx->bit_rate;
+    const char* codecName = (Codec)?Codec->name:"unknown";
+
+    MESSAGE("AVDetector: %s-stream %dx%d at %d bit/s", codecName, width, height, bitrate);
+
+    Resource->mBitrate = bitrate;
+    Resource->mSampleFrequency = CodecCtx->sample_rate;
+    Resource->mResolution = cString::sprintf("%dx%d", width, height);
+    
+    return 0;
+
+}
-- 
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