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avcodec/nvenc: avoid failing b_ref_mode check when unset
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@ -459,7 +459,7 @@ static int nvenc_check_cap(AVCodecContext *avctx, NV_ENC_CAPS cap)
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static int nvenc_check_capabilities(AVCodecContext *avctx)
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{
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NvencContext *ctx = avctx->priv_data;
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int ret;
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int tmp, ret;
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ret = nvenc_check_codec_support(avctx);
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if (ret < 0) {
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@ -540,16 +540,18 @@ static int nvenc_check_capabilities(AVCodecContext *avctx)
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}
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#ifdef NVENC_HAVE_BFRAME_REF_MODE
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tmp = (ctx->b_ref_mode >= 0) ? ctx->b_ref_mode : NV_ENC_BFRAME_REF_MODE_DISABLED;
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ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_BFRAME_REF_MODE);
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if (ctx->b_ref_mode == NV_ENC_BFRAME_REF_MODE_EACH && ret != 1 && ret != 3) {
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if (tmp == NV_ENC_BFRAME_REF_MODE_EACH && ret != 1 && ret != 3) {
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av_log(avctx, AV_LOG_WARNING, "Each B frame as reference is not supported\n");
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return AVERROR(ENOSYS);
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} else if (ctx->b_ref_mode != NV_ENC_BFRAME_REF_MODE_DISABLED && ret == 0) {
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} else if (tmp != NV_ENC_BFRAME_REF_MODE_DISABLED && ret == 0) {
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av_log(avctx, AV_LOG_WARNING, "B frames as references are not supported\n");
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return AVERROR(ENOSYS);
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}
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#else
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if (ctx->b_ref_mode != 0) {
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tmp = (ctx->b_ref_mode >= 0) ? ctx->b_ref_mode : 0;
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if (tmp > 0) {
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av_log(avctx, AV_LOG_WARNING, "B frames as references need SDK 8.1 at build time\n");
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return AVERROR(ENOSYS);
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}
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