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