[FFmpeg-devel] [PATCH v2] librav1e: Don't make users explicitly set -qp -1 to use bit rate mode

Derek Buitenhuis derek.buitenhuis at gmail.com
Wed Nov 13 17:29:22 EET 2019


Signed-off-by: Derek Buitenhuis <derek.buitenhuis at gmail.com>
---
 libavcodec/librav1e.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/librav1e.c b/libavcodec/librav1e.c
index 5052cac896..a5835ee6be 100644
--- a/libavcodec/librav1e.c
+++ b/libavcodec/librav1e.c
@@ -533,7 +533,7 @@ retry:
 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
 
 static const AVOption options[] = {
-    { "qp", "use constant quantizer mode", OFFSET(quantizer), AV_OPT_TYPE_INT, { .i64 = 100 }, -1, 255, VE },
+    { "qp", "use constant quantizer mode (defaults to 100 if no bit rate is set)", OFFSET(quantizer), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 255, VE },
     { "speed", "what speed preset to use", OFFSET(speed), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 10, VE },
     { "tiles", "number of tiles encode with", OFFSET(tiles), AV_OPT_TYPE_INT, { .i64 = 0 }, -1, INT64_MAX, VE },
     { "tile-rows", "number of tiles rows to encode with", OFFSET(tile_rows), AV_OPT_TYPE_INT, { .i64 = 0 }, -1, INT64_MAX, VE },
-- 
2.24.0



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