Maximum usable surfaces is limited to MAX_REGISTERED_FRAMES constant in
nvenc.h
--
Miroslav Slugeň
>From 96b28516942d76b65e9dce033317909e4c0e019a Mon Sep 17 00:00:00 2001
From: Miroslav Slugen <thunde...@email.cz>
Date: Mon, 21 Nov 2016 11:04:45 +0100
Subject: [PATCH] NVENC: Maximum usable surfaces is limited to maximum
registered frames
---
libavcodec/nvenc_h264.c | 2 +-
libavcodec/nvenc_hevc.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/nvenc_h264.c b/libavcodec/nvenc_h264.c
index 6914046b..71e27fd 100644
--- a/libavcodec/nvenc_h264.c
+++ b/libavcodec/nvenc_h264.c
@@ -80,7 +80,7 @@ static const AVOption options[] = {
{ "vbr_2pass", "Multi-pass variable bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_2_PASS_VBR }, 0, 0, VE, "rc" },
{ "rc-lookahead", "Number of frames to look ahead for rate-control",
OFFSET(rc_lookahead), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
- { "surfaces", "Number of concurrent surfaces", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 32 }, 0, INT_MAX, VE },
+ { "surfaces", "Number of concurrent surfaces", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 32 }, 0, MAX_REGISTERED_FRAMES, VE },
{ "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ "2pass", "Use 2pass encoding mode", OFFSET(twopass), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
{ "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.",
diff --git a/libavcodec/nvenc_hevc.c b/libavcodec/nvenc_hevc.c
index 0fec77a..ef739b6 100644
--- a/libavcodec/nvenc_hevc.c
+++ b/libavcodec/nvenc_hevc.c
@@ -79,7 +79,7 @@ static const AVOption options[] = {
{ "vbr_2pass", "Multi-pass variable bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_2_PASS_VBR }, 0, 0, VE, "rc" },
{ "rc-lookahead", "Number of frames to look ahead for rate-control",
OFFSET(rc_lookahead), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
- { "surfaces", "Number of concurrent surfaces", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 32 }, 0, INT_MAX, VE },
+ { "surfaces", "Number of concurrent surfaces", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 32 }, 0, MAX_REGISTERED_FRAMES, VE },
{ "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ "2pass", "Use 2pass encoding mode", OFFSET(twopass), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
{ "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.",
--
2.1.4
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