本文整理汇总了C++中NV_ENCODE_API_FUNCTION_LIST::nvEncUnlockInputBuffer方法的典型用法代码示例。如果您正苦于以下问题：C++ NV_ENCODE_API_FUNCTION_LIST::nvEncUnlockInputBuffer方法的具体用法？C++ NV_ENCODE_API_FUNCTION_LIST::nvEncUnlockInputBuffer怎么用？C++ NV_ENCODE_API_FUNCTION_LIST::nvEncUnlockInputBuffer使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类NV_ENCODE_API_FUNCTION_LIST的用法示例。
在下文中一共展示了NV_ENCODE_API_FUNCTION_LIST::nvEncUnlockInputBuffer方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: memcpy
bool fcH264EncoderNVIDIA::encode(fcH264Frame& dst, const void *image, fcPixelFormat fmt, fcTime timestamp, bool force_keyframe)
{
if (!isValid()) { return false; }
dst.timestamp = timestamp;
// convert image to NV12
AnyToNV12(m_nv12_image, m_rgba_image, image, fmt, m_conf.width, m_conf.height);
NV12Data data = m_nv12_image.data();
NVENCSTATUS stat;
// upload image to input buffer
{
NV_ENC_LOCK_INPUT_BUFFER lock_params = { 0 };
lock_params.version = NV_ENC_LOCK_INPUT_BUFFER_VER;
lock_params.inputBuffer = m_input.inputBuffer;
stat = nvenc.nvEncLockInputBuffer(m_encoder, &lock_params);
memcpy(lock_params.bufferDataPtr, data.y, m_nv12_image.size());
stat = nvenc.nvEncUnlockInputBuffer(m_encoder, m_input.inputBuffer);
}
NV_ENC_PIC_PARAMS params = { 0 };
params.version = NV_ENC_PIC_PARAMS_VER;
params.inputBuffer = m_input.inputBuffer;
params.outputBitstream = m_output.bitstreamBuffer;
params.bufferFmt = NV_ENC_BUFFER_FORMAT_NV12;
params.inputWidth = m_conf.width;
params.inputHeight = m_conf.height;
params.completionEvent = 0;
params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME;
params.encodePicFlags = 0;
if (force_keyframe) {
params.encodePicFlags |= NV_ENC_PIC_FLAG_FORCEINTRA;
}
params.inputTimeStamp = to_usec(timestamp);
params.inputDuration = to_usec(1.0 / m_conf.target_framerate);
// encode!
stat = nvenc.nvEncEncodePicture(m_encoder, ¶ms);
// retrieve encoded data
{
NV_ENC_LOCK_BITSTREAM lock_params = { 0 };
lock_params.version = NV_ENC_LOCK_BITSTREAM_VER;
lock_params.outputBitstream = m_output.bitstreamBuffer;
stat = nvenc.nvEncLockBitstream(m_encoder, &lock_params);
dst.data.append((char*)lock_params.bitstreamBufferPtr, lock_params.bitstreamSizeInBytes);
dst.gatherNALInformation();
stat = nvenc.nvEncUnlockBitstream(m_encoder, m_output.bitstreamBuffer);
}
return true;
}示例2: nvenc_enqueue_frame
static int nvenc_enqueue_frame(AVCodecContext *avctx, const AVFrame *frame,
NVENCInputSurface **in_surf)
{
NVENCContext *ctx = avctx->priv_data;
NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
NV_ENC_LOCK_INPUT_BUFFER params = { 0 };
NVENCInputSurface *in = get_input_surface(ctx);
int ret;
if (!in)
return AVERROR_BUG;
params.version = NV_ENC_LOCK_INPUT_BUFFER_VER;
params.inputBuffer = in->in;
ret = nv->nvEncLockInputBuffer(ctx->nvenc_ctx, ¶ms);
if (ret != NV_ENC_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "Cannot lock the buffer %p.\n",
in);
return AVERROR_UNKNOWN;
}
ret = nvenc_copy_frame(¶ms, frame);
if (ret < 0)
goto fail;
ret = nv->nvEncUnlockInputBuffer(ctx->nvenc_ctx, in->in);
if (ret != NV_ENC_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "Cannot unlock the buffer %p.\n",
in);
return AVERROR_UNKNOWN;
}
*in_surf = in;
return 0;
fail:
nv->nvEncUnlockInputBuffer(ctx->nvenc_ctx, in->in);
return ret;
}