1 files changed, 117 insertions, 0 deletions
diff --git a/dlna/profiles/container.cpp b/dlna/profiles/container.cpp
new file mode 100644
index 0000000..a4418ef
--- /dev/null
+++ b/dlna/profiles/container.cpp
@@ -0,0 +1,117 @@
+/* 
+ * File:   container.cpp
+ * Author: savop
+ *
+ * Created on 8. Januar 2010, 11:45
+ */
+
+#include "profiles/container.h"
+#include "../../common.h"
+#include <vdr/remux.h>
+
+#define DLNA_MPEG_TS_SIZE_ISO       TS_SIZE
+#define DLNA_MPEG_TS_SIZE           192
+
+enum VideoFormats {
+    FORMAT_MPEG1,
+    FORMAT_MPEG2,
+    FORMAT_MP4,
+#ifdef WITH_WINDOWS_MEDIA
+    FORMAT_WMF,
+#endif
+};
+
+static const struct VideoFormatMapping {
+    const char* name;
+    VideoFormats format;
+} VideoFormatMap[] = {
+    { "mpeg", FORMAT_MPEG2 },
+    { "mpegts", FORMAT_MPEG2 },
+#ifdef WITH_WINDOWS_MEDIA
+    { "asf", FORMAT_WMF }
+#endif
+};
+
+VideoContainerProfile cContainerDetector::detect(AVFormatContext* Ctx){
+    if(Ctx && Ctx->iformat){
+        for(int i=0; VideoFormatMap[i].name; i++){
+            if(!strcasecmp(VideoFormatMap[i].name,Ctx->iformat->name))
+                switch(VideoFormatMap[i].format){
+                    case FORMAT_MPEG1:
+                        return cContainerDetector::detectMPEG1Container(Ctx);
+                    case FORMAT_MPEG2:
+                        return cContainerDetector::detectMPEG2Container(Ctx);
+                    case FORMAT_MP4:
+                        return cContainerDetector::detectMP4Container(Ctx);
+#ifdef WITH_WINDOWS_MEDIA
+                    case FORMAT_WMF:
+                        return cContainerDetector::detectWMFContainer(Ctx);
+#endif
+                    default:
+                        break;
+                }
+        }
+        ERROR("AVDetector: Unsupported input format \"%s\"", Ctx->iformat->name);
+    }
+    else {
+        ERROR("AVDetector: Input format not found");
+    }
+    return DLNA_VCP_UNKNOWN;
+}
+
+VideoContainerProfile cContainerDetector::detectMPEG2Container(AVFormatContext* Ctx){
+
+    uint8_t buf[5*1024];
+    int len;
+    int64_t pos;
+    int PaketSize = 0;
+    VideoContainerProfile VCP = DLNA_VCP_UNKNOWN;
+
+    /* read the first 1024 bytes to get packet size */
+    pos = url_ftell(Ctx->pb);
+    len = get_buffer(Ctx->pb, buf, sizeof(buf));
+    if (len != sizeof(buf)) PaketSize = 0;
+
+    for(int i = 0; i<DLNA_MPEG_TS_SIZE; i++){
+        if(buf[i]==0x47 && buf[i+DLNA_MPEG_TS_SIZE_ISO]==0x47){
+            MESSAGE(VERBOSE_METADATA, "AVDetector: MPEG TS ISO Video container found");
+            PaketSize = DLNA_MPEG_TS_SIZE_ISO;
+            VCP = DLNA_VCP_MPEG2_TS_ISO;
+            break;
+        }
+        else if(buf[i+4]==0x47 && buf[i+DLNA_MPEG_TS_SIZE]==0x47){
+            PaketSize = DLNA_MPEG_TS_SIZE;
+            if(buf[i]==0x00 && buf[i+1]==0x00 && buf[i+1]==0x00 && buf[i+1]==0x00){
+                MESSAGE(VERBOSE_METADATA, "AVDetector: MPEG TS DLNA with zero value time stamp found");
+                VCP = DLNA_VCP_MPEG2_TS_T;
+                break;
+            }
+            else {
+                MESSAGE(VERBOSE_METADATA, "AVDetector: MPEG TS DLNA with non-zero value time stamp found");
+                VCP = DLNA_VCP_MPEG2_TS;
+                break;
+            }
+        }
+        else {
+            VCP = DLNA_VCP_UNKNOWN;
+        }
+    }
+
+    // TODO: MPEG-PS-Header
+
+    return VCP;
+}
+
+VideoContainerProfile cContainerDetector::detectMPEG1Container(AVFormatContext* ){
+    return DLNA_VCP_UNKNOWN;
+}
+
+VideoContainerProfile cContainerDetector::detectMP4Container(AVFormatContext* ){
+    return DLNA_VCP_UNKNOWN;
+}
+
+#ifdef WITH_WINDOWS_MEDIA
+VideoContainerProfile cContainerDetector::detectWMFContainer(AVFormatContext* ){
+    return DLNA_VCP_UNKNOWN;
+}
+#endif
+\ No newline at end of file