4 #define OUTPUT_FREQUENCY 48000 // Currently needs to be exactly 48000, since bmusb outputs in that.
8 #define FAKE_FPS 25 // Must be an integer.
10 #define MAX_BUSES 256 // Audio buses.
12 // For deinterlacing. See also comments on InputState.
13 #define FRAME_HISTORY_LENGTH 5
15 #define AUDIO_OUTPUT_CODEC_NAME "pcm_s32le"
16 #define DEFAULT_AUDIO_OUTPUT_BIT_RATE 0
17 #define DEFAULT_X264_OUTPUT_BIT_RATE 4500 // 5 Mbit after making room for some audio and TCP overhead.
19 #define LOCAL_DUMP_PREFIX "record-"
20 #define LOCAL_DUMP_SUFFIX ".nut"
21 #define DEFAULT_STREAM_MUX_NAME "nut" // Only for HTTP. Local dump guesses from LOCAL_DUMP_SUFFIX.
23 /* Make seekable .mov files. */ \
24 { "movflags", "empty_moov+frag_keyframe+default_base_moof" }, \
26 /* Make for somewhat less bursty stream output when using .mov. */ \
27 { "frag_duration", "125000" }, \
29 /* Keep nut muxer from using unlimited amounts of memory. */ \
30 { "write_index", "0" } \
33 // In bytes. Beware, if too small, stream clients will start dropping data.
34 // For mov, you want this at 10MB or so (for the reason mentioned above),
35 // but for nut, there's no flushing, so such a large mux buffer would cause
36 // the output to be very uneven.
37 #define MUX_BUFFER_SIZE 10485760
39 // In number of frames. Comes in addition to any internal queues in x264
40 // (frame threading, lookahead, etc.).
41 #define X264_QUEUE_LENGTH 50
43 #define X264_DEFAULT_PRESET "ultrafast"
44 #define X264_DEFAULT_TUNE "film"
46 #endif // !defined(_DEFS_H)