X-Git-Url: https://git.sesse.net/?p=nageru;a=blobdiff_plain;f=defs.h;h=08708ad6dbf876404c5e969cc4c9ce37ea5037f7;hp=9bed232f39db10a0c9d41b9ef2eab25daab5771c;hb=refs%2Fheads%2Fmultichannel_audio;hpb=0faba3d989c344d3db70f241a06761407d966bf7

diff --git a/defs.h b/defs.h
index 9bed232..08708ad 100644
--- a/defs.h
+++ b/defs.h
@@ -1,20 +1,47 @@
 #ifndef _DEFS_H
 #define _DEFS_H
 
-#define OUTPUT_FREQUENCY 48000
+#define OUTPUT_FREQUENCY 48000  // Currently needs to be exactly 48000, since bmusb outputs in that.
 #define MAX_FPS 60
 #define WIDTH 1280
 #define HEIGHT 720
+#define FAKE_FPS 25  // Must be an integer.
+#define MAX_VIDEO_CARDS 16
+#define MAX_ALSA_CARDS 16
+#define MAX_BUSES 256  // Audio buses.
 
-#define AUDIO_OUTPUT_CODEC AV_CODEC_ID_PCM_S32LE
-#define AUDIO_OUTPUT_SAMPLE_FMT AV_SAMPLE_FMT_S32
-#define AUDIO_OUTPUT_BIT_RATE 0
+// For deinterlacing. See also comments on InputState.
+#define FRAME_HISTORY_LENGTH 5
 
-#define LOCAL_DUMP_FILE_NAME "test.mov"
-#define STREAM_MUX_NAME "mov"
-#define MUX_OPTS {{ "movflags", "empty_moov+frag_keyframe+default_base_moof" }}
+#define AUDIO_OUTPUT_CODEC_NAME "pcm_s32le"
+#define DEFAULT_AUDIO_OUTPUT_BIT_RATE 0
+#define DEFAULT_X264_OUTPUT_BIT_RATE 4500  // 5 Mbit after making room for some audio and TCP overhead.
+
+#define LOCAL_DUMP_PREFIX "record-"
+#define LOCAL_DUMP_SUFFIX ".nut"
+#define DEFAULT_STREAM_MUX_NAME "nut"  // Only for HTTP. Local dump guesses from LOCAL_DUMP_SUFFIX.
+#define MUX_OPTS { \
+	/* Make seekable .mov files. */ \
+	{ "movflags", "empty_moov+frag_keyframe+default_base_moof" }, \
+	\
+	/* Make for somewhat less bursty stream output when using .mov. */ \
+	{ "frag_duration", "125000" }, \
+	\
+	/* Keep nut muxer from using unlimited amounts of memory. */ \
+	{ "write_index", "0" } \
+}
 
 // In bytes. Beware, if too small, stream clients will start dropping data.
+// For mov, you want this at 10MB or so (for the reason mentioned above),
+// but for nut, there's no flushing, so such a large mux buffer would cause
+// the output to be very uneven.
 #define MUX_BUFFER_SIZE 10485760
 
+// In number of frames. Comes in addition to any internal queues in x264
+// (frame threading, lookahead, etc.).
+#define X264_QUEUE_LENGTH 50
+
+#define X264_DEFAULT_PRESET "ultrafast"
+#define X264_DEFAULT_TUNE "film"
+
 #endif  // !defined(_DEFS_H)