Add functionality for MJPEG export.

[nageru] / httpd.h

diff --git a/httpd.h b/httpd.h
index 57c649b61158c6f73b498aeca6556b97bc52f179..1ff5c51108facf03ca1b0d8fc2f076a63938e595 100644 (file)
--- a/httpd.h
+++ b/httpd.h
@@ -31,9 +31,15 @@ public:
        HTTPD();
        ~HTTPD();
 
+       enum StreamType {
+               MAIN_STREAM,
+               MULTICAM_STREAM,
+               NUM_STREAM_TYPES
+       };
+
        // Should be called before start().
-       void set_header(const std::string &data) {
-               header = data;
+       void set_header(StreamType stream_type, const std::string &data) {
+               header[stream_type] = data;
        }
 
        // Should be called before start() (due to threading issues).
@@ -47,7 +53,7 @@ public:
 
        void start(int port);
        void stop();
-       void add_data(const char *buf, size_t size, bool keyframe, int64_t time, AVRational timebase);
+       void add_data(StreamType stream_type, const char *buf, size_t size, bool keyframe, int64_t time, AVRational timebase);
        int64_t get_num_connected_clients() const {
                return metric_num_connected_clients.load();
        }
@@ -72,7 +78,8 @@ private:
                        FRAMING_RAW,
                        FRAMING_METACUBE
                };
-               Stream(HTTPD *parent, Framing framing) : parent(parent), framing(framing) {}
+               Stream(HTTPD *parent, Framing framing, StreamType stream_type)
+                       : parent(parent), framing(framing), stream_type(stream_type) {}
 
                static ssize_t reader_callback_thunk(void *cls, uint64_t pos, char *buf, size_t max);
                ssize_t reader_callback(uint64_t pos, char *buf, size_t max);
@@ -85,6 +92,7 @@ private:
                void add_data(const char *buf, size_t size, DataType data_type, int64_t time, AVRational timebase);
                void stop();
                HTTPD *get_parent() const { return parent; }
+               StreamType get_stream_type() const { return stream_type; }
 
        private:
                HTTPD *parent;
@@ -96,6 +104,7 @@ private:
                std::deque<std::string> buffered_data;  // Protected by <buffer_mutex>.
                size_t used_of_buffered_data = 0;  // How many bytes of the first element of <buffered_data> that is already used. Protected by <mutex>.
                size_t seen_keyframe = false;
+               StreamType stream_type;
        };
 
        MHD_Daemon *mhd = nullptr;
@@ -106,7 +115,7 @@ private:
                CORSPolicy cors_policy;
        };
        std::unordered_map<std::string, Endpoint> endpoints;
-       std::string header;
+       std::string header[NUM_STREAM_TYPES];
 
        // Metrics.
        std::atomic<int64_t> metric_num_connected_clients{0};