vp9 now supports [0, 6]
Signed-off-by: James Zern <jz...@google.com>
---
doc/encoders.texi | 1 +
libavcodec/libvpxenc.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/doc/encoders.texi b/doc/encoders.texi
index 899faac49b..3c6f5cd70b 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -1641,6 +1641,7 @@ means unlimited.
@table @option
@item auto-alt-ref
Enable use of alternate reference frames (2-pass only).
+Values greater than 1 enable multi-layer alternate reference frames (VP9 only).
@item arnr-max-frames
Set altref noise reduction max frame count.
@item arnr-type
diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c
index 09f7a88452..ad4480b2ae 100644
--- a/libavcodec/libvpxenc.c
+++ b/libavcodec/libvpxenc.c
@@ -1068,7 +1068,7 @@ static int vpx_encode(AVCodecContext *avctx, AVPacket
*pkt,
#define COMMON_OPTIONS \
{ "auto-alt-ref", "Enable use of alternate reference " \
- "frames (2-pass only)",
OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2,
VE}, \
+ "frames (2-pass only)",
OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6,
VE}, \
{ "lag-in-frames", "Number of frames to look ahead for " \
"alternate reference frame selection",
OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX,
VE}, \
{ "arnr-maxframes", "altref noise reduction max frame count",
OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX,
VE}, \
--
2.19.1.930.g4563a0d9d0-goog
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
