FFmpeg
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#include <linux/videodev2.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <unistd.h>
#include <dirent.h>
#include <fcntl.h>
#include "libavcodec/avcodec.h"
#include "libavcodec/internal.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
#include "libavutil/pixfmt.h"
#include "v4l2_context.h"
#include "v4l2_fmt.h"
#include "v4l2_m2m.h"
Go to the source code of this file.
Functions | |
static int | v4l2_splane_video (struct v4l2_capability *cap) |
static int | v4l2_mplane_video (struct v4l2_capability *cap) |
static int | v4l2_prepare_contexts (V4L2m2mContext *s) |
static int | v4l2_probe_driver (V4L2m2mContext *s) |
static int | v4l2_configure_contexts (V4L2m2mContext *s) |
int | ff_v4l2_m2m_codec_reinit (V4L2m2mContext *s) |
Reinitializes the V4L2m2mContext when the driver cant continue processing with the capture parameters. More... | |
int | ff_v4l2_m2m_codec_full_reinit (V4L2m2mContext *s) |
Reinitializes the V4L2m2mContext when the driver cant continue processing with the any of the current V4L2Contexts (ie, changes in output and capture). More... | |
int | ff_v4l2_m2m_codec_end (AVCodecContext *avctx) |
Releases all the codec resources if all AVBufferRefs have been returned to the ctx. More... | |
int | ff_v4l2_m2m_codec_init (AVCodecContext *avctx) |
Probes the video nodes looking for the required codec capabilities. More... | |
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inlinestatic |
Definition at line 39 of file v4l2_m2m.c.
Referenced by v4l2_prepare_contexts().
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inlinestatic |
Definition at line 51 of file v4l2_m2m.c.
Referenced by v4l2_prepare_contexts().
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static |
Definition at line 63 of file v4l2_m2m.c.
Referenced by ff_v4l2_m2m_codec_full_reinit(), v4l2_configure_contexts(), and v4l2_probe_driver().
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Definition at line 96 of file v4l2_m2m.c.
Referenced by ff_v4l2_m2m_codec_init().
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Definition at line 131 of file v4l2_m2m.c.
Referenced by ff_v4l2_m2m_codec_init().
int ff_v4l2_m2m_codec_reinit | ( | V4L2m2mContext * | ctx | ) |
Reinitializes the V4L2m2mContext when the driver cant continue processing with the capture parameters.
[in] | ctx | The V4L2m2mContext instantiated by the encoder/decoder. |
Definition at line 189 of file v4l2_m2m.c.
Referenced by v4l2_handle_event().
int ff_v4l2_m2m_codec_full_reinit | ( | V4L2m2mContext * | ctx | ) |
Reinitializes the V4L2m2mContext when the driver cant continue processing with the any of the current V4L2Contexts (ie, changes in output and capture).
[in] | ctx | The V4L2m2mContext instantiated by the encoder/decoder. |
Definition at line 233 of file v4l2_m2m.c.
Referenced by v4l2_handle_event().
int ff_v4l2_m2m_codec_end | ( | AVCodecContext * | avctx | ) |
Releases all the codec resources if all AVBufferRefs have been returned to the ctx.
Otherwise keep the driver open.
[in] | The | AVCodecContext instantiated by the encoder/decoder. |
Definition at line 314 of file v4l2_m2m.c.
Referenced by ff_v4l2_m2m_codec_full_reinit(), and v4l2_free_buffer().
int ff_v4l2_m2m_codec_init | ( | AVCodecContext * | avctx | ) |
Probes the video nodes looking for the required codec capabilities.
[in] | ctx | The AVCodecContext instantiated by the encoder/decoder. |
Definition at line 344 of file v4l2_m2m.c.
Referenced by v4l2_decode_init(), and v4l2_encode_init().