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libopenh264enc: Add an option for controlling the frame skipping

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This allows enabling the frame skipping, which is required for the
encoder to properly hit the target bitrate.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2015-10-28 11:06:36 +02:00
parent b8deb7c34f
commit 9e14a99240
1 changed files with 3 additions and 1 deletions
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4
libavcodec/libopenh264enc.c
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@ -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;