X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=nageru%2Fdefs.h;h=09743a5abe5e72a9a8c12487c28d4fd756daeb5f;hb=HEAD;hp=7b8cc696de1120de66ce04a1b2d29138089d024c;hpb=392f9d1ccb835c05a3874c4bea163788b2c37024;p=nageru

diff --git a/nageru/defs.h b/nageru/defs.h
index 7b8cc69..369c9b8 100644
--- a/nageru/defs.h
+++ b/nageru/defs.h
@@ -1,55 +1,49 @@
 #ifndef _DEFS_H
 #define _DEFS_H
 
-#include <libavformat/version.h>
-
-// This flag is only supported in FFmpeg 3.3 and up, and we only require 3.1.
-#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(57, 71, 100)
-#define MUX_SKIP_TRAILER "+skip_trailer"
-#else
-#define MUX_SKIP_TRAILER ""
-#endif
-
-#define OUTPUT_FREQUENCY 48000  // Currently needs to be exactly 48000, since bmusb outputs in that.
-#define MAX_FPS 60
+#define TYPICAL_FPS 60
 #define FAKE_FPS 25  // Must be an integer.
-#define MAX_VIDEO_CARDS 16
+// #define MAX_VIDEO_CARDS 16  // defined in shared_defs.h.
 #define MAX_ALSA_CARDS 16
 #define MAX_BUSES 256  // Audio buses.
 
+// FRAME_SIZE is the default frame size, in bytes. FFmpeg inputs (video files and SRT streams)
+// can allocate larger frames as needed; USB and DeckLink outputs always use FRAME_SIZE.
+// We should eventually add support for at least DeckLink outputs, allowing us to capture
+// 2160p frames. Also, it would allow us to lower the default frame size to the maximum
+// bmusb supports (2 MB just about covers 1080i 4:2:2, then add some for 10-bit?) to waste
+// less memory.
+//
+// As a general sanity check, we also have a MAX_FRAME_SIZE that even dynamic allocation
+// will not go past.
+#define FRAME_SIZE (8 << 20)  // 8 MB (just enough for 1080p RGBA).
+#define MAX_FRAME_SIZE (140 << 20)  // 140 MB; enough for 8192*4320 RGBA and then some.
+
 // For deinterlacing. See also comments on InputState.
 #define FRAME_HISTORY_LENGTH 5
 
 #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 DEFAULT_AV1_OUTPUT_BIT_RATE 4500  // Same.
 
 #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 DEFAULT_HTTPD_PORT 9095
-#define MUX_OPTS { \
-	/* Make seekable .mov files, and keep MP4 muxer from using unlimited amounts of memory. */ \
-	{ "movflags", "empty_moov+frag_keyframe+default_base_moof" MUX_SKIP_TRAILER }, \
-	\
-	/* 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
+#define DEFAULT_SRT_PORT 9710
+#define DEFAULT_SRT_OUTPUT_LATENCY_MS 2000
 
 // In number of frames. Comes in addition to any internal queues in x264
 // (frame threading, lookahead, etc.).
 #define X264_QUEUE_LENGTH 50
+#define AV1_QUEUE_LENGTH 50
 
 #define X264_DEFAULT_PRESET "ultrafast"
 #define X264_DEFAULT_TUNE "film"
 
+#define DEFAULT_AV1_PRESET 12
+#define DEFAULT_AV1_FPS_NUM 60000
+#define DEFAULT_AV1_FPS_DEN 1001
+
 #endif  // !defined(_DEFS_H)