extern "C" {
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
+#include <libavutil/dict.h>
+#include <libavutil/frame.h>
+#include <libswscale/swscale.h>
}
using namespace std;
// AVFormatContext
-void avformat_close_input_unique(AVFormatContext *format_ctx)
+void avformat_close_input_unique::operator() (AVFormatContext *format_ctx) const
{
avformat_close_input(&format_ctx);
}
AVFormatContextWithCloser avformat_open_input_unique(
- const char *pathname, AVInputFormat *fmt, AVDictionary **options)
+ const char *pathname, AVInputFormat *fmt,
+ AVDictionary **options)
{
- AVFormatContext *format_ctx = nullptr;
+ return avformat_open_input_unique(pathname, fmt, options, AVIOInterruptCB{ nullptr, nullptr });
+}
+
+AVFormatContextWithCloser avformat_open_input_unique(
+ const char *pathname, AVInputFormat *fmt,
+ AVDictionary **options,
+ const AVIOInterruptCB &interrupt_cb)
+{
+ AVFormatContext *format_ctx = avformat_alloc_context();
+ format_ctx->interrupt_callback = interrupt_cb;
if (avformat_open_input(&format_ctx, pathname, fmt, options) != 0) {
format_ctx = nullptr;
}
- return AVFormatContextWithCloser(format_ctx, avformat_close_input_unique);
+ return AVFormatContextWithCloser(format_ctx);
}
-
// AVCodecContext
-void avcodec_free_context_unique(AVCodecContext *codec_ctx)
+void avcodec_free_context_unique::operator() (AVCodecContext *codec_ctx) const
{
avcodec_free_context(&codec_ctx);
}
AVCodecContextWithDeleter avcodec_alloc_context3_unique(const AVCodec *codec)
{
- return AVCodecContextWithDeleter(avcodec_alloc_context3(codec), avcodec_free_context_unique);
+ return AVCodecContextWithDeleter(avcodec_alloc_context3(codec));
}
// AVCodecParameters
-void avcodec_parameters_free_unique(AVCodecParameters *codec_par)
+void avcodec_parameters_free_unique::operator() (AVCodecParameters *codec_par) const
{
avcodec_parameters_free(&codec_par);
}
-
// AVFrame
-void av_frame_free_unique(AVFrame *frame)
+void av_frame_free_unique::operator() (AVFrame *frame) const
{
av_frame_free(&frame);
}
AVFrameWithDeleter av_frame_alloc_unique()
{
- return AVFrameWithDeleter(av_frame_alloc(), av_frame_free_unique);
+ return AVFrameWithDeleter(av_frame_alloc());
}
+// SwsContext
+
+void sws_free_context_unique::operator() (SwsContext *context) const
+{
+ sws_freeContext(context);
+}