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libvpxenc: extend auto-alt-ref range 

vp9 now supports [0, 6]

Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: James Zern <jzern@google.com>
This commit is contained in:
James Zern 2018-11-03 13:50:32 -07:00
parent 6d3890ee34
commit 55e021f39b
2 changed files with 5 additions and 2 deletions
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1
doc/encoders.texi
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@ -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

6
libavcodec/libvpxenc.c
View File

@ -1075,8 +1075,6 @@ static int vpx_encode(AVCodecContext *avctx, AVPacket *pkt,
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
#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}, \
{ "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}, \
@ -1120,6 +1118,8 @@ static int vpx_encode(AVCodecContext *avctx, AVPacket *pkt,
#if CONFIG_LIBVPX_VP8_ENCODER
static const AVOption vp8_options[] = {
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},
{ "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -16, 16, VE},
LEGACY_OPTIONS
{ NULL }
@ -1129,6 +1129,8 @@ static const AVOption vp8_options[] = {
#if CONFIG_LIBVPX_VP9_ENCODER
static const AVOption vp9_options[] = {
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, 6, VE},
{ "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -8, 8, VE},
{ "lossless", "Lossless mode", OFFSET(lossless), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE},
{ "tile-columns", "Number of tile columns to use, log2", OFFSET(tile_columns), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},