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avcodec/nvenc: fix b frame settings 

Reviewed-by: Timo Rothenpieler <timo@rothenpieler.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
agathah 2015-01-07 17:19:32 +08:00 committed by Michael Niedermayer
parent 6e69bf4a7e
commit 72c61c272c
1 changed files with 10 additions and 1 deletions
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11
libavcodec/nvenc.c
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@ -657,7 +657,12 @@ static av_cold int nvenc_encode_init(AVCodecContext *avctx)
}
if (ctx->gobpattern >= 0) {
ctx->encode_config.frameIntervalP = 1;
ctx->encode_config.frameIntervalP = ctx->gobpattern;
}
// when there're b frames, set dts offset
if (ctx->encode_config.frameIntervalP >= 2) {
ctx->last_dts = -2;
}
ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourDescriptionPresentFlag = 1;
@ -905,6 +910,10 @@ static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, AVFrame
pkt->pts = lock_params.outputTimeStamp;
pkt->dts = timestamp_queue_dequeue(&ctx->timestamp_list);
// when there're b frame(s), set dts offset
if (ctx->encode_config.frameIntervalP >= 2)
pkt->dts -= 1;
if (pkt->dts > pkt->pts)
pkt->dts = pkt->pts;