For #299, refine the codec info structure.

trunk/src/protocol/srs_protocol_format.cpp

@@ -0,0 +1,66 @@
+/*
+ The MIT License (MIT)
+ 
+ Copyright (c) 2013-2017 SRS(ossrs)
+ 
+ Permission is hereby granted, free of charge, to any person obtaining a copy of
+ this software and associated documentation files (the "Software"), to deal in
+ the Software without restriction, including without limitation the rights to
+ use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ the Software, and to permit persons to whom the Software is furnished to do so,
+ subject to the following conditions:
+ 
+ The above copyright notice and this permission notice shall be included in all
+ copies or substantial portions of the Software.
+ 
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <srs_protocol_format.hpp>
+
+#include <srs_kernel_error.hpp>
+#include <srs_kernel_codec.hpp>
+#include <srs_rtmp_stack.hpp>
+
+SrsFormat::SrsFormat()
+{
+    audio = video = NULL;
+}
+
+SrsFormat::~SrsFormat()
+{
+    srs_freep(audio);
+    srs_freep(video);
+}
+
+int SrsFormat::initialize()
+{
+    return ERROR_SUCCESS;
+}
+
+int SrsFormat::on_metadata(SrsOnMetaDataPacket* meta)
+{
+    int ret = ERROR_SUCCESS;
+    
+    // TODO: FIXME: Try to initialize format from metadata.
+    
+    return ret;
+}
+
+int SrsFormat::on_audio(SrsSharedPtrMessage* shared_audio)
+{
+    int ret = ERROR_SUCCESS;
+    return ret;
+}
+
+int SrsFormat::on_video(SrsSharedPtrMessage* shared_video, bool is_sequence_header)
+{
+    int ret = ERROR_SUCCESS;
+    return ret;
+}
+

trunk/src/protocol/srs_protocol_format.hpp

@@ -0,0 +1,62 @@
+/*
+ The MIT License (MIT)
+ 
+ Copyright (c) 2013-2017 SRS(ossrs)
+ 
+ Permission is hereby granted, free of charge, to any person obtaining a copy of
+ this software and associated documentation files (the "Software"), to deal in
+ the Software without restriction, including without limitation the rights to
+ use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ the Software, and to permit persons to whom the Software is furnished to do so,
+ subject to the following conditions:
+ 
+ The above copyright notice and this permission notice shall be included in all
+ copies or substantial portions of the Software.
+ 
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef SRS_PROTOCOL_FORMAT_HPP
+#define SRS_PROTOCOL_FORMAT_HPP
+
+/*
+#include <srs_protocol_format.hpp>
+*/
+
+#include <srs_core.hpp>
+
+class SrsFrame;
+class SrsOnMetaDataPacket;
+class SrsSharedPtrMessage;
+
+/**
+ * A codec format, including one or many stream, each stream identified by a frame.
+ * For example, a typical RTMP stream format, consits of a video and audio frame.
+ * Maybe some RTMP stream only has a audio stream, for instance, redio application.
+ */
+class SrsFormat
+{
+public:
+    SrsFrame* audio;
+    SrsFrame* video;
+public:
+    SrsFormat();
+    virtual ~SrsFormat();
+public:
+    // Initialize the format.
+    virtual int initialize();
+    // Initialize the format from metadata, optional.
+    virtual int on_metadata(SrsOnMetaDataPacket* meta);
+    // When got a parsed audio packet.
+    virtual int on_audio(SrsSharedPtrMessage* shared_audio);
+    // When got a parsed video packet.
+    virtual int on_video(SrsSharedPtrMessage* shared_video, bool is_sequence_header);
+};
+
+#endif
+