Fix an issue with streaming the NUT mux to HTTP.

[nageru] / video_encoder.cpp

diff --git a/video_encoder.cpp b/video_encoder.cpp
index c817283690503b8bea94131b1328d13b48c3265d..f7369877b7b55f67a4af3e795a5ed99bb5d88e21 100644 (file)
--- a/video_encoder.cpp
+++ b/video_encoder.cpp
@@ -170,6 +170,14 @@ int VideoEncoder::write_packet2_thunk(void *opaque, uint8_t *buf, int buf_size,
 
 int VideoEncoder::write_packet2(uint8_t *buf, int buf_size, AVIODataMarkerType type, int64_t time)
 {
+       if (type == AVIO_DATA_MARKER_SYNC_POINT || type == AVIO_DATA_MARKER_BOUNDARY_POINT) {
+               seen_sync_markers = true;
+       } else if (type == AVIO_DATA_MARKER_UNKNOWN && !seen_sync_markers) {
+               // We don't know if this is a keyframe or not (the muxer could
+               // avoid marking it), so we just have to make the best of it.
+               type = AVIO_DATA_MARKER_SYNC_POINT;
+       }
+
        if (type == AVIO_DATA_MARKER_HEADER) {
                stream_mux_header.append((char *)buf, buf_size);
                httpd->set_header(stream_mux_header);