[FFmpeg-devel] [PATCH] avcodec/libvpxenc: add -min-gf-interval

* [FFmpeg-devel] [PATCH] avcodec/libvpxenc: add -min-gf-interval
@ 2022-09-14  0:27 James Zern
  2022-09-19 16:46 ` Vignesh Venkatasubramanian
  0 siblings, 1 reply; 2+ messages in thread
From: James Zern @ 2022-09-14  0:27 UTC (permalink / raw)
  To: ffmpeg-devel

this maps to the vpxenc argument with the same name and the
VP9E_SET_MIN_GF_INTERVAL codec control

Signed-off-by: James Zern <jzern@google.com>
---
 doc/encoders.texi      |  2 ++
 libavcodec/libvpxenc.c | 11 +++++++++++
 libavcodec/version.h   |  2 +-
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/doc/encoders.texi b/doc/encoders.texi
index ac71f50ad2..5a5579d5e5 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -2176,6 +2176,8 @@ Set altref noise reduction filter type: backward, forward, centered.
 Set altref noise reduction filter strength.
 @item rc-lookahead, lag-in-frames (@emph{lag-in-frames})
 Set number of frames to look ahead for frametype and ratecontrol.
+@item min-gf-interval
+Set minimum golden/alternate reference frame interval (VP9 only).
 @end table
 
 @item error-resilient
diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c
index 09b56aae2a..667cffc200 100644
--- a/libavcodec/libvpxenc.c
+++ b/libavcodec/libvpxenc.c
@@ -131,6 +131,7 @@ typedef struct VPxEncoderContext {
     int tune_content;
     int corpus_complexity;
     int tpl_model;
+    int min_gf_interval;
     AVFifo *hdr10_plus_fifo;
     /**
      * If the driver does not support ROI then warn the first time we
@@ -186,6 +187,9 @@ static const char *const ctlidstr[] = {
 #ifdef VPX_CTRL_VP9E_SET_TPL
     [VP9E_SET_TPL]                     = "VP9E_SET_TPL",
 #endif
+#ifdef VPX_CTRL_VP9E_SET_MIN_GF_INTERVAL
+    [VP9E_SET_MIN_GF_INTERVAL]         = "VP9E_SET_MIN_GF_INTERVAL",
+#endif
 #endif
 };
 
@@ -1173,6 +1177,10 @@ static av_cold int vpx_init(AVCodecContext *avctx,
 #ifdef VPX_CTRL_VP9E_SET_TPL
         if (ctx->tpl_model >= 0)
             codecctl_int(avctx, VP9E_SET_TPL, ctx->tpl_model);
+#endif
+#ifdef VPX_CTRL_VP9E_SET_MIN_GF_INTERVAL
+        if (ctx->min_gf_interval >= 0)
+            codecctl_int(avctx, VP9E_SET_MIN_GF_INTERVAL, ctx->min_gf_interval);
 #endif
     }
 #endif
@@ -1911,6 +1919,9 @@ static const AVOption vp9_options[] = {
 #endif
 #ifdef VPX_CTRL_VP9E_SET_TPL
     { "enable-tpl",      "Enable temporal dependency model", OFFSET(tpl_model), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE },
+#endif
+#ifdef VPX_CTRL_VP9E_SET_MIN_GF_INTERVAL
+    { "min-gf-interval", "Minimum golden/alternate reference frame interval", OFFSET(min_gf_interval), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE },
 #endif
     LEGACY_OPTIONS
     { NULL }
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 2328be4b26..7e89daf017 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -30,7 +30,7 @@
 #include "version_major.h"
 
 #define LIBAVCODEC_VERSION_MINOR  43
-#define LIBAVCODEC_VERSION_MICRO 100
+#define LIBAVCODEC_VERSION_MICRO 101
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \
-- 
2.37.2.789.g6183377224-goog

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