for #738, add srs ingest mp4 tool

trunk/src/kernel/srs_kernel_mp4.cpp

@@ -25,6 +25,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <string.h>
 
+#include <srs_kernel_error.hpp>
+
 SrsMp4Box::SrsMp4Box()
 {
     size = 0;
@@ -422,3 +424,19 @@ SrsMp4SampleSizeBox::~SrsMp4SampleSizeBox()
     srs_freepa(entry_sizes);
 }
 
+SrsMp4Decoder::SrsMp4Decoder()
+{
+}
+
+SrsMp4Decoder::~SrsMp4Decoder()
+{
+}
+
+int SrsMp4Decoder::initialize(ISrsReader* r)
+{
+    srs_assert(r);
+    reader = r;
+    
+    return ERROR_SUCCESS;
+}
+

trunk/src/kernel/srs_kernel_mp4.hpp

@@ -31,6 +31,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <string>
 
+class ISrsReader;
+
 /**
  * 4.2 Object Structure
  * ISO_IEC_14496-12-base-format-2012.pdf, page 16
@@ -760,5 +762,24 @@ public:
     virtual ~SrsMp4SampleSizeBox();
 };
 
+/**
+ * The MP4 demuxer.
+ */
+class SrsMp4Decoder
+{
+private:
+    ISrsReader* reader;
+public:
+    SrsMp4Decoder();
+    virtual ~SrsMp4Decoder();
+public:
+    /**
+     * Initialize the decoder with a reader r.
+     * @param r The underlayer io reader, user must manage it for decoder never open/free it,
+     *      the decoder just read data from the reader.
+     */
+    virtual int initialize(ISrsReader* r);
+};
+
 #endif