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qsv: Set the correct range for la_depth

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Setting an invalid range for it makes the encoder behave inconsistently.
This commit is contained in:
Luca Barbato 2016-12-14 11:58:18 +01:00
parent 1202b71269
commit f8f7ad758d
2 changed files with 3 additions and 2 deletions
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2
libavcodec/qsvenc.c
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@ -273,7 +273,7 @@ static int select_rc_mode(AVCodecContext *avctx, QSVEncContext *q)
const char *rc_desc;
mfxU16 rc_mode;
int want_la = q->la_depth >= 0;
int want_la = q->la_depth >= 10;
int want_qscale = !!(avctx->flags & AV_CODEC_FLAG_QSCALE);
int want_vcm = q->vcm;

3
libavcodec/qsvenc.h
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@ -55,7 +55,8 @@
{ "fast", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_SPEED }, INT_MIN, INT_MAX, VE, "preset" }, \
{ "medium", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BALANCED }, INT_MIN, INT_MAX, VE, "preset" }, \
{ "slow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_QUALITY }, INT_MIN, INT_MAX, VE, "preset" }, \
{ "la_depth", "Number of frames to analyze before encoding.", OFFSET(qsv.la_depth), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT16_MAX, VE }, \
{ "la_depth", "Number of frames to analyze before encoding.", OFFSET(qsv.la_depth), AV_OPT_TYPE_INT, { .i64 = 9 }, 9, 100, VE, "la_depth" }, \
{ "unset", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 9 }, INT_MIN, INT_MAX, VE, "la_depth" }, \
{ "vcm", "Use the video conferencing mode ratecontrol", OFFSET(qsv.vcm), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, \
{ "rdo", "Enable rate distortion optimization", OFFSET(qsv.rdo), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
{ "max_frame_size", "Maximum encoded frame size in bytes", OFFSET(qsv.max_frame_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE }, \