avcodec/nvenc: remove unused slice offset querying

libavcodec/nvenc.c

@@ -2060,38 +2060,16 @@ static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, NvencSur
     NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
     NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
 
-    uint32_t slice_mode_data;
-    uint32_t *slice_offsets = NULL;
     NV_ENC_LOCK_BITSTREAM lock_params = { 0 };
     NVENCSTATUS nv_status;
     int res = 0;
 
     enum AVPictureType pict_type;
 
-    switch (avctx->codec->id) {
-    case AV_CODEC_ID_H264:
-      slice_mode_data = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData;
-      break;
-    case AV_CODEC_ID_H265:
-      slice_mode_data = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData;
-      break;
-    default:
-      av_log(avctx, AV_LOG_ERROR, "Unknown codec name\n");
-      res = AVERROR(EINVAL);
-      goto error;
-    }
-    slice_offsets = av_mallocz(slice_mode_data * sizeof(*slice_offsets));
-
-    if (!slice_offsets) {
-        res = AVERROR(ENOMEM);
-        goto error;
-    }
-
     lock_params.version = NV_ENC_LOCK_BITSTREAM_VER;
 
     lock_params.doNotWait = 0;
     lock_params.outputBitstream = tmpoutsurf->output_surface;
-    lock_params.sliceOffsets = slice_offsets;
 
     nv_status = p_nvenc->nvEncLockBitstream(ctx->nvencoder, &lock_params);
     if (nv_status != NV_ENC_SUCCESS) {
@@ -2162,16 +2140,12 @@ static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, NvencSur
     if (res < 0)
         goto error2;
 
-    av_free(slice_offsets);
-
     return 0;
 
 error:
     timestamp_queue_dequeue(ctx->timestamp_list);
 
 error2:
-    av_free(slice_offsets);
-
     return res;
 }