本文整理汇总了C++中FilterContext::raw方法的典型用法代码示例。如果您正苦于以下问题：C++ FilterContext::raw方法的具体用法？C++ FilterContext::raw怎么用？C++ FilterContext::raw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FilterContext的用法示例。
在下文中一共展示了FilterContext::raw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: link
void FilterContext::link(unsigned srcPad, FilterContext &dstFilter, unsigned dstPad, error_code &ec)
{
clear_if(ec);
if (!m_raw || !dstFilter) {
throws_if(ec, Errors::Unallocated);
return;
}
int sts = avfilter_link(m_raw, srcPad, dstFilter.raw(), dstPad);
if (sts < 0) {
throws_if(ec, sts, ffmpeg_category());
return;
}
}示例2: parse
void FilterGraph::parse(const string &graphDescription,
FilterContext &srcFilterCtx,
FilterContext &sinkFilterCtx,
error_code &ec)
{
clear_if(ec);
if (!m_raw || !srcFilterCtx || !sinkFilterCtx) {
throws_if(ec, Errors::Unallocated);
return;
}
auto srcf = srcFilterCtx.raw();
auto sinkf = sinkFilterCtx.raw();
bool srcfFound = false;
bool sinkfFound = false;
for (size_t i = 0; i < (size_t)filtersCount(); ++i) {
if (m_raw->filters[i] == srcf)
srcfFound = true;
if (m_raw->filters[i] == sinkf)
sinkfFound = true;
if (srcfFound && sinkfFound) // search completed
break;
}
if (!srcfFound) {
fflog(AV_LOG_ERROR, "Source filter does not present in filter graph");
throws_if(ec, Errors::FilterNotInFilterGraph);
return;
}
if (!sinkfFound) {
fflog(AV_LOG_ERROR, "Sink filter does not present in filter graph");
throws_if(ec, Errors::FilterNotInFilterGraph);
return;
}
struct FilterInOutDeleter
{
void operator()(AVFilterInOut *&ptr)
{
avfilter_inout_free(&ptr);
}
};
using FilterInOutPtr = std::unique_ptr<AVFilterInOut, FilterInOutDeleter>;
FilterInOutPtr inputs;
FilterInOutPtr outputs;
if (graphDescription.empty()) {
fflog(AV_LOG_ERROR, "Empty graph description");
throws_if(ec, Errors::FilterGraphDescriptionEmpty);
return;
} else {
outputs.reset(avfilter_inout_alloc());
inputs.reset(avfilter_inout_alloc());
if (!outputs || !inputs) {
throws_if(ec, errc::not_enough_memory);
return;
}
outputs->name = av_strdup("in");
outputs->filter_ctx = srcFilterCtx.raw();
outputs->pad_idx = 0;
outputs->next = 0;
inputs->name = av_strdup("out");
inputs->filter_ctx = sinkFilterCtx.raw();
inputs->pad_idx = 0;
inputs->next = 0;
int sts = avfilter_graph_parse(m_raw, graphDescription.c_str(), inputs.get(), outputs.get(), nullptr);
if (sts < 0) {
throws_if(ec, sts, ffmpeg_category());
return;
}
}
}