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FFmpeg
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#include <v4l2_context.h>
Data Fields | |
| const char * | name |
| context name. More... | |
| enum v4l2_buf_type | type |
| Type of this buffer context. More... | |
| enum AVPixelFormat | av_pix_fmt |
| AVPixelFormat corresponding to this buffer context. More... | |
| enum AVCodecID | av_codec_id |
| AVCodecID corresponding to this buffer context. More... | |
| struct v4l2_format | format |
| Format returned by the driver after initializing the buffer context. More... | |
| int | width |
| Width and height of the frames it produces (in case of a capture context, e.g. More... | |
| int | height |
| AVRational | sample_aspect_ratio |
| V4L2Buffer * | buffers |
| Indexed array of V4L2Buffers. More... | |
| int | num_buffers |
| Readonly after init. More... | |
| int | streamon |
| Whether the stream has been started (VIDIOC_STREAMON has been sent). More... | |
| int | done |
| Either no more buffers available or an unrecoverable error was notified by the V4L2 kernel driver: once set the context has to be exited. More... | |
| AVClass * | class |
| int | fd |
Definition at line 37 of file v4l2_context.h.
| const char* V4L2Context::name |
context name.
Definition at line 41 of file v4l2_context.h.
Referenced by convert_from_tensorflow.Operand::__str__(), ff_v4l2_buffer_buf_to_avframe(), and ff_v4l2_buffer_buf_to_avpkt().
| enum v4l2_buf_type V4L2Context::type |
Type of this buffer context.
See V4L2_BUF_TYPE_VIDEO_* in videodev2.h Readonly after init.
Definition at line 48 of file v4l2_context.h.
Referenced by buf_to_m2mctx(), v4l2_free_buffer(), and v4l2_try_start().
| enum AVPixelFormat V4L2Context::av_pix_fmt |
AVPixelFormat corresponding to this buffer context.
AV_PIX_FMT_NONE means this is an encoded stream.
Definition at line 54 of file v4l2_context.h.
Referenced by v4l2_buffer_buf_to_swframe(), v4l2_decode_init(), v4l2_encode_init(), and v4l2_try_start().
| enum AVCodecID V4L2Context::av_codec_id |
AVCodecID corresponding to this buffer context.
AV_CODEC_ID_RAWVIDEO means this is a raw stream and av_pix_fmt must be set to a valid value.
Definition at line 60 of file v4l2_context.h.
Referenced by v4l2_decode_init(), and v4l2_encode_init().
| struct v4l2_format V4L2Context::format |
Format returned by the driver after initializing the buffer context.
Readonly after init.
Definition at line 66 of file v4l2_context.h.
Referenced by v4l2_buffer_buf_to_swframe(), v4l2_get_color_primaries(), v4l2_get_color_range(), v4l2_get_color_space(), v4l2_get_color_trc(), and v4l2_try_start().
| int V4L2Context::width |
Width and height of the frames it produces (in case of a capture context, e.g.
when decoding) or accepts (in case of an output context, e.g. when encoding).
Definition at line 72 of file v4l2_context.h.
Referenced by ff_v4l2_buffer_buf_to_avframe(), v4l2_decode_init(), v4l2_encode_init(), and v4l2_try_start().
| int V4L2Context::height |
Definition at line 72 of file v4l2_context.h.
Referenced by ff_v4l2_buffer_buf_to_avframe(), v4l2_decode_init(), v4l2_encode_init(), and v4l2_try_start().
| AVRational V4L2Context::sample_aspect_ratio |
Definition at line 73 of file v4l2_context.h.
Referenced by ff_v4l2_buffer_buf_to_avframe().
| V4L2Buffer* V4L2Context::buffers |
Indexed array of V4L2Buffers.
Definition at line 78 of file v4l2_context.h.
Referenced by v4l2_try_start().
| int V4L2Context::num_buffers |
Readonly after init.
Definition at line 83 of file v4l2_context.h.
Referenced by ff_v4l2_m2m_create_context().
| int V4L2Context::streamon |
Whether the stream has been started (VIDIOC_STREAMON has been sent).
Definition at line 88 of file v4l2_context.h.
Referenced by v4l2_free_buffer(), v4l2_receive_packet(), and v4l2_try_start().
| int V4L2Context::done |
Either no more buffers available or an unrecoverable error was notified by the V4L2 kernel driver: once set the context has to be exited.
Definition at line 94 of file v4l2_context.h.
1.8.17