This allows enabling the frame skipping, which is required for the
encoder to properly hit the target bitrate.
---
Renamed the option to allow_skip_frames, to avoid potential
confusion with the similarly named AVCodecContext option skip_frame,
as pointed out by Clément.
---
libavcodec/libopenh264enc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavcodec/libopenh264enc.c b/libavcodec/libopenh264enc.c
index 1553b6d..0502bc1 100644
--- a/libavcodec/libopenh264enc.c
+++ b/libavcodec/libopenh264enc.c
@@ -38,6 +38,7 @@ typedef struct SVCContext {
int loopfilter;
char *profile;
int max_nal_size;
+ int skip_frames;
} SVCContext;
#define OPENH264_VER_AT_LEAST(maj, min) \
@@ -55,6 +56,7 @@ static const AVOption options[] = {
{ "loopfilter", "Enable loop filter", OFFSET(loopfilter), AV_OPT_TYPE_INT,
{ .i64 = 1 }, 0, 1, VE },
{ "profile", "Set profile restrictions", OFFSET(profile),
AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
{ "max_nal_size", "Set maximum NAL size in bytes", OFFSET(max_nal_size),
AV_OPT_TYPE_INT, { 0 }, 0, INT_MAX, VE },
+ { "allow_skip_frames", "Allow skipping frames to hit the target bitrate",
OFFSET(skip_frames), AV_OPT_TYPE_INT, { 0 }, 0, 1, VE },
{ NULL }
};
@@ -144,7 +146,7 @@ static av_cold int svc_encode_init(AVCodecContext *avctx)
param.bEnableDenoise = 0;
param.bEnableBackgroundDetection = 1;
param.bEnableAdaptiveQuant = 1;
- param.bEnableFrameSkip = 0;
+ param.bEnableFrameSkip = s->skip_frames;
param.bEnableLongTermReference = 0;
param.iLtrMarkPeriod = 30;
param.uiIntraPeriod = avctx->gop_size;
--
2.3.8 (Apple Git-58)
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