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obs-ffmpeg: Allow FFmpeg NVENC to be reconfigured

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Adds the ability to reconfigure FFmpeg's NVENC implementation on the
fly.
This commit is contained in:
jp9000 2019-08-15 08:36:23 -07:00
parent f15290d14f
commit ed43de5c75
1 changed files with 18 additions and 0 deletions
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18
plugins/obs-ffmpeg/obs-ffmpeg-nvenc.c
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@ -228,6 +228,23 @@ static bool nvenc_update(void *data, obs_data_t *settings)
return nvenc_init_codec(enc);
}
static bool nvenc_reconfigure(void *data, obs_data_t *settings)
{
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(58, 19, 101)
struct nvenc_encoder *enc = data;
int bitrate = (int)obs_data_get_int(settings, "bitrate");
const char *rc = obs_data_get_string(settings, "rate_control");
bool cbr = astrcmpi(rc, "CBR") == 0;
bool vbr = astrcmpi(rc, "VBR") == 0;
if (cbr || vbr) {
enc->context->bit_rate = bitrate * 1000;
enc->context->rc_max_rate = bitrate * 1000;
}
#endif
return true;
}
static void nvenc_destroy(void *data)
{
struct nvenc_encoder *enc = data;
@ -547,6 +564,7 @@ struct obs_encoder_info nvenc_encoder_info = {
.create = nvenc_create,
.destroy = nvenc_destroy,
.encode = nvenc_encode,
.update = nvenc_reconfigure,
.get_defaults = nvenc_defaults,
.get_properties = nvenc_properties_ffmpeg,
.get_extra_data = nvenc_extra_data,