#include <videofilebuffer.h>
This uses the ffmpeg library (http://ffmpeg.sourceforge.net/) to play a wide range of video formats, including MPEG (1, 2 and 4) and AVI (including DivX and DV) files. Provides frames of type CVD::VideoFileFrame and throws exceptions of type CVD::Exceptions::VideoFileBuffer
| T | The pixel type of the video frames. Currently only CVD::Rgb<CVD::byte> > and CVD::byte> are supported. |
Definition at line 207 of file videofilebuffer.h.
Public Member Functions | |
| VideoFileBuffer (const std::string &file) | |
| ~VideoFileBuffer () | |
| virtual ImageRef | size () |
| virtual bool | frame_pending () |
| virtual void | on_end_of_buffer (VideoBufferFlags::OnEndOfBuffer behaviour) |
| virtual void | seek_to (double t) |
| virtual VideoFileFrame< T > * | get_frame () |
| virtual void | put_frame (VideoFrame< T > *f) |
| double | frame_rate () |
| std::string | file_name () |
| std::string | codec_name () |
| CVD::VideoFileBuffer< T >::VideoFileBuffer | ( | const std::string & | file | ) | [inline] |
Construct a VideoFileBuffer to play this file.
| file | The path to the video file |
Definition at line 216 of file videofilebuffer.h.
| virtual ImageRef CVD::VideoFileBuffer< T >::size | ( | ) | [inline, virtual] |
The size of the VideoFrames returned by this buffer.
Implements CVD::LocalVideoBuffer< T >.
Definition at line 225 of file videofilebuffer.h.
References CVD::VFB::RawVideoFileBuffer::size().
| virtual bool CVD::VideoFileBuffer< T >::frame_pending | ( | ) | [inline, virtual] |
Is there a frame waiting in the buffer? This function does not block.
See is_live and is_flushable.
Implements CVD::LocalVideoBuffer< T >.
Definition at line 230 of file videofilebuffer.h.
References CVD::VFB::RawVideoFileBuffer::frame_pending().
| virtual void CVD::VideoFileBuffer< T >::on_end_of_buffer | ( | VideoBufferFlags::OnEndOfBuffer | behaviour | ) | [inline, virtual] |
What should the buffer do when it reaches the end of the list of files?
| behaviour | The desired behaviour |
Definition at line 237 of file videofilebuffer.h.
References CVD::VFB::RawVideoFileBuffer::on_end_of_buffer().
| virtual void CVD::VideoFileBuffer< T >::seek_to | ( | double | ) | [inline, virtual] |
Go to a particular point in the video buffer (only implemented in buffers of recorded video).
| t | The frame time in seconds |
Reimplemented from CVD::LocalVideoBuffer< T >.
Definition at line 242 of file videofilebuffer.h.
References CVD::VFB::RawVideoFileBuffer::seek_to().
| virtual VideoFileFrame<T>* CVD::VideoFileBuffer< T >::get_frame | ( | ) | [inline, virtual] |
Returns the next frame from the buffer. This function blocks until a frame is ready.
Implements CVD::LocalVideoBuffer< T >.
Definition at line 247 of file videofilebuffer.h.
References CVD::VFB::RawVideoFileBuffer::get_frame().
| virtual void CVD::VideoFileBuffer< T >::put_frame | ( | VideoFrame< T > * | f | ) | [inline, virtual] |
Tell the buffer that you are finished with this frame.
Typically the VideoBuffer then destroys the frame.
| f | The frame that you are finished with. |
Implements CVD::LocalVideoBuffer< T >.
Definition at line 252 of file videofilebuffer.h.
References CVD::VFB::RawVideoFileBuffer::put_frame().
| double CVD::VideoFileBuffer< T >::frame_rate | ( | ) | [inline, virtual] |
What is the (expected) frame rate of this video buffer, in frames per second?
Implements CVD::VideoBuffer< T >.
Definition at line 259 of file videofilebuffer.h.
References CVD::VFB::RawVideoFileBuffer::frames_per_second().
| std::string CVD::VideoFileBuffer< T >::file_name | ( | ) | [inline] |
What is the path to the video file?
Definition at line 265 of file videofilebuffer.h.
References CVD::VFB::RawVideoFileBuffer::file_name().
| std::string CVD::VideoFileBuffer< T >::codec_name | ( | ) | [inline] |
What codec is being used to decode this video?
Definition at line 271 of file videofilebuffer.h.
References CVD::VFB::RawVideoFileBuffer::codec_name().
1.5.3