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obs-ffmpeg: Add b-frame support to NVENC (default: 2)

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It was unintentionally using intra-only before, impacting quality.
This commit is contained in:
jp9000 2016-09-26 14:44:35 -07:00
parent 7ea59ff3b4
commit 1e0d5e7b3e
2 changed files with 8 additions and 0 deletions
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2
plugins/obs-ffmpeg/data/locale/en-US.ini
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@ -6,6 +6,8 @@ RateControl="Rate Control"
KeyframeIntervalSec="Keyframe Interval (seconds, 0=auto)"
Lossless="Lossless"
BFrames="B-frames"
NVENC.Use2Pass="Use Two-Pass Encoding"
NVENC.Preset.default="Default"
NVENC.Preset.hq="High Quality"

6
plugins/obs-ffmpeg/obs-ffmpeg-nvenc.c
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@ -138,6 +138,7 @@ static bool nvenc_update(void *data, obs_data_t *settings)
bool twopass = obs_data_get_bool(settings, "2pass");
int gpu = (int)obs_data_get_int(settings, "gpu");
bool cbr_override = obs_data_get_bool(settings, "cbr");
int bf = (int)obs_data_get_int(settings, "bf");
video_t *video = obs_encoder_video(enc->encoder);
const struct video_output_info *voi = video_output_get_info(video);
@ -198,6 +199,7 @@ static bool nvenc_update(void *data, obs_data_t *settings)
AVCOL_SPC_BT709 : AVCOL_SPC_BT470BG;
enc->context->color_range = info.range == VIDEO_RANGE_FULL ?
AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
enc->context->max_b_frames = bf;
if (keyint_sec)
enc->context->gop_size = keyint_sec * voi->fps_num /
@ -373,6 +375,7 @@ static void nvenc_defaults(obs_data_t *settings)
obs_data_set_default_string(settings, "level", "auto");
obs_data_set_default_bool(settings, "2pass", true);
obs_data_set_default_int(settings, "gpu", 0);
obs_data_set_default_int(settings, "bf", 2);
}
static bool rate_control_modified(obs_properties_t *ppts, obs_property_t *p,
@ -482,6 +485,9 @@ static obs_properties_t *nvenc_properties(void *unused)
obs_module_text("NVENC.Use2Pass"));
obs_properties_add_int(props, "gpu", obs_module_text("GPU"), 0, 8, 1);
obs_properties_add_int(props, "bf", obs_module_text("BFrames"),
0, 4, 1);
return props;
}