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d92d2bb91c1d6413d90f50c068ea1e70afe96448
gst-nvvideo4linux2/gst-v4l2/gstv4l2object.h
svcmobrel-release 5c1f0868fd Updating prebuilts and/or headers 
ed8273ff6102bb0b4fa7975a401b12b3e95a7187 - nvbufsurface.h
7af73b80b2f930ab91431d66cd84ec794da9e117 - v4l2_nv_extensions.h
d27a433ddeaefb9f42d0312c23472514b0cd6a45 - gst-nvcustomevent.h
21a860247c06670e4619b8eaae1d92db31bdd3e8 - gst-v4l2/gstv4l2.c
e8e973c103725b65232d32817e0305d12d6ff309 - gst-v4l2/gstv4l2h264enc.c
49a66f0ce02abc71f33e096a65645ddedf5c7f46 - gst-v4l2/gstv4l2bufferpool.c
9f726e4439379bb399f29c68736242f21dab3dd0 - gst-v4l2/gstv4l2allocator.c
65de802e5f162aa04518b7ade5841cc3ced01111 - gst-v4l2/Makefile
02d142337f4b96fcb0c9f2405a3cbe90c5917cca - gst-v4l2/gstv4l2vp9enc.c
dc1a3f7292873f1f71dc27300f97f3ab918ed79f - gst-v4l2/gstv4l2h265enc.c
d29e3a719400c3cb27314366d48ec792a3c12363 - gst-v4l2/gstv4l2h265enc.h
c81eacb7d88c4fb839506dd70055e30d7a9feeec - gst-v4l2/v4l2-utils.h
b1cd923335aa60985ff9866fba91a2068e8671c7 - gst-v4l2/LICENSE.gst-nvvideo4linux2
73b03969d7ae0a8adb374c93999c43af88ea93b2 - gst-v4l2/v4l2_calls.c
d89a680415f6ff5acec2571cde0fce9054d8e81f - gst-v4l2/gstv4l2vp9enc.h
b52a5ee4c739818736b9a3683442df285ebe9eda - gst-v4l2/gstv4l2videodec.c
3f7cafe5beb4395caf2e1591bf0a835e5076031a - gst-v4l2/gstv4l2object.h
d5952b0286c34bf13fbf5e09fe552ced0da49368 - gst-v4l2/gstv4l2videodec.h
398c24d1eef98ec9003a06587bc3784050602cd2 - gst-v4l2/gstv4l2h26xparser.c
39fcb2f599e6906ab0fd7ab9a46fef3ea58a8cab - gst-v4l2/gstv4l2vp8enc.h
cbc84dccd2506afa4c8f03849c95bb28c83ef4a3 - gst-v4l2/gstv4l2av1enc.h
a002edef13a3bbbdc41e42a7fca40e574ad1bb3e - gst-v4l2/v4l2-utils.c
c2099692cdb374440c2a040cb6ad01bbc1549ce5 - gst-v4l2/gstv4l2h26xparser.h
99d65d620807b5ba1ca29a838e032940c9b019cc - gst-v4l2/sei_parse.c
b827fd6cb1e3b8ecebd6a07f8556e846e26cba17 - gst-v4l2/gstv4l2allocator.h
489fde70531590e94d1d211a42f10f81ae68d2b9 - gst-v4l2/gstv4l2videoenc.h
4e79cf75c4fa29791e1f5141318dc8aec13a7835 - gst-v4l2/nalutils.h
71be284b547ee68fb0e2cd14b0aeb14734a915a1 - gst-v4l2/gstv4l2bufferpool.h
5ecd059e5ef9be4014eface37e5e2f7598960f4e - gst-v4l2/nalutils.c
5948d70c07e87f9b1dc403789dcbed6acfa47ad9 - gst-v4l2/gstv4l2av1enc.c
bb104683f5e4f7402e3f765a891e149edc794e02 - gst-v4l2/gstv4l2h264enc.h
9681f7b98dfdfbc4d845f9ce7f11c3692b923195 - gst-v4l2/gstv4l2videoenc.c
807bc9859585a540b0f85e98f147756aab24e1bd - gst-v4l2/gstv4l2vp8enc.c
884e5b97b9fa8d07b6153e6efe6999884922b813 - gst-v4l2/gstv4l2object.c
20c4f7c0cb89c83256650bc3353ed82154cf3a9d - gst-v4l2/gst/gst-i18n-plugin.h
e864ee6647f3572b144403d799f68152e9900da1 - gst-v4l2/gst/gettext.h
499a9feb17ceabf1f1443923dffa1e0180bf5972 - gst-v4l2/gst/glib-compat-private.h
72a34a694337f8f6da3bb94c9faced6730cbd2fc - gst-v4l2/ext/types-compat.h
1636366b5a062e4bc1791b7bc3012ccf5635b363 - gst-v4l2/ext/v4l2-controls.h
a745675b051a2b8434a430c80fde3f245864ca89 - gst-v4l2/ext/v4l2-common.h
522ab8fc8531a2c758b9278d29642f5b763fd3e7 - gst-v4l2/ext/videodev2.h

Change-Id: I3770af2d1c63a6193ccfb47a0ec190f5d241a331
2024-09-06 00:00:25 -07:00

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/* GStreamer
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* 2006 Edgard Lima <edgard.lima@gmail.com>
* Copyright (c) 2018-2023, NVIDIA CORPORATION. All rights reserved.
*
* gstv4l2object.h: base class for V4L2 elements
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_V4L2_OBJECT_H__
#define __GST_V4L2_OBJECT_H__
#include "linux/videodev2.h"
#ifdef HAVE_LIBV4L2
# include <libv4l2.h>
#endif
#include "v4l2-utils.h"
#ifdef USE_V4L2_TARGET_NV
#include "nvbufsurface.h"
#include "v4l2_nv_extensions.h"
#endif
#include <gst/gst.h>
#include <gst/base/gstpushsrc.h>
#include <gst/video/video.h>
typedef struct _GstV4l2Object GstV4l2Object;
typedef struct _GstV4l2ObjectClassHelper GstV4l2ObjectClassHelper;
#include <gstv4l2bufferpool.h>
/* size of v4l2 buffer pool in streaming case */
#define GST_V4L2_MIN_BUFFERS 2
#ifdef USE_V4L2_TARGET_NV
#define V4L2_DEVICE_BASENAME_NVDEC "nvdec"
#define V4L2_DEVICE_BASENAME_NVENC "msenc"
#define V4L2_DEVICE_PATH_NVDEC "/dev/nvhost-nvdec"
#define V4L2_DEVICE_PATH_NVDEC_ALT "/dev/v4l2-nvdec"
#define V4L2_DEVICE_PATH_NVDEC_MCCOY "/dev/nvidia0"
#define V4L2_DEVICE_PATH_NVENC "/dev/nvhost-msenc"
#define V4L2_DEVICE_PATH_NVENC_ALT "/dev/v4l2-nvenc"
#define V4L2_DEVICE_PATH_TEGRA_INFO "/sys/firmware/devicetree/base/compatible"
#endif
/* max frame width/height */
#define GST_V4L2_MAX_SIZE (1<<15) /* 2^15 == 32768 */
G_BEGIN_DECLS
#define GST_TYPE_V4L2_IO_MODE (gst_v4l2_io_mode_get_type ())
GType gst_v4l2_io_mode_get_type (void);
#ifdef USE_V4L2_TARGET_NV
#define GST_TYPE_V4L2_DEC_OUTPUT_IO_MODE (gst_v4l2_dec_output_io_mode_get_type ())
GType gst_v4l2_dec_output_io_mode_get_type (void);
#define GST_TYPE_V4L2_DEC_CAPTURE_IO_MODE (gst_v4l2_dec_capture_io_mode_get_type ())
GType gst_v4l2_dec_capture_io_mode_get_type (void);
#define GST_TYPE_V4L2_ENC_OUTPUT_IO_MODE (gst_v4l2_enc_output_io_mode_get_type ())
GType gst_v4l2_enc_output_io_mode_get_type (void);
#define GST_TYPE_V4L2_ENC_CAPTURE_IO_MODE (gst_v4l2_enc_capture_io_mode_get_type ())
GType gst_v4l2_enc_capture_io_mode_get_type (void);
#endif
#define GST_V4L2_OBJECT(obj) (GstV4l2Object *)(obj)
extern gboolean is_cuvid;
typedef enum {
GST_V4L2_IO_AUTO = 0,
GST_V4L2_IO_RW = 1,
GST_V4L2_IO_MMAP = 2,
GST_V4L2_IO_USERPTR = 3,
GST_V4L2_IO_DMABUF = 4,
GST_V4L2_IO_DMABUF_IMPORT = 5
} GstV4l2IOMode;
typedef gboolean (*GstV4l2GetInOutFunction) (GstV4l2Object * v4l2object, gint * input);
typedef gboolean (*GstV4l2SetInOutFunction) (GstV4l2Object * v4l2object, gint input);
typedef gboolean (*GstV4l2UpdateFpsFunction) (GstV4l2Object * v4l2object);
#define GST_V4L2_WIDTH(o) (GST_VIDEO_INFO_WIDTH (&(o)->info))
#define GST_V4L2_HEIGHT(o) (GST_VIDEO_INFO_HEIGHT (&(o)->info))
#define GST_V4L2_PIXELFORMAT(o) ((o)->fmtdesc->pixelformat)
#define GST_V4L2_FPS_N(o) (GST_VIDEO_INFO_FPS_N (&(o)->info))
#define GST_V4L2_FPS_D(o) (GST_VIDEO_INFO_FPS_D (&(o)->info))
/* simple check whether the device is open */
#define GST_V4L2_IS_OPEN(o) ((o)->video_fd > 0)
/* check whether the device is 'active' */
#define GST_V4L2_IS_ACTIVE(o) ((o)->active)
#define GST_V4L2_SET_ACTIVE(o) ((o)->active = TRUE)
#define GST_V4L2_SET_INACTIVE(o) ((o)->active = FALSE)
/* checks whether the current v4lv4l2object has already been open()'ed or not */
#define GST_V4L2_CHECK_OPEN(v4l2object) \
if (!GST_V4L2_IS_OPEN(v4l2object)) \
{ \
GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS, \
(_("Device is not open.")), (NULL)); \
return FALSE; \
}
/* checks whether the current v4lv4l2object is close()'ed or whether it is still open */
#define GST_V4L2_CHECK_NOT_OPEN(v4l2object) \
if (GST_V4L2_IS_OPEN(v4l2object)) \
{ \
GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS, \
(_("Device is open.")), (NULL)); \
return FALSE; \
}
/* checks whether we're out of capture mode or not */
#define GST_V4L2_CHECK_NOT_ACTIVE(v4l2object) \
if (GST_V4L2_IS_ACTIVE(v4l2object)) \
{ \
GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS, \
(NULL), ("Device is in streaming mode")); \
return FALSE; \
}
#ifdef USE_V4L2_TARGET_NV
/* Structure to hold the video info inorder to modify the contents, incase of
* GST_VIDEO_FORMAT_I420_12LE format */
GstVideoFormatInfo video_info;
#endif
struct _GstV4l2Object {
GstElement * element;
GstObject * dbg_obj;
enum v4l2_buf_type type; /* V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_BUF_TYPE_VIDEO_OUTPUT */
/* the video device */
char *videodev;
#ifdef USE_V4L2_TARGET_NV
gboolean is_encode;
#endif
/* the video-device's file descriptor */
gint video_fd;
GstV4l2IOMode mode;
gboolean active;
gboolean streaming;
/* the current format */
struct v4l2_fmtdesc *fmtdesc;
struct v4l2_format format;
GstVideoInfo info;
GstVideoAlignment align;
/* Features */
gboolean need_video_meta;
gboolean has_alpha_component;
/* only used if the device supports MPLANE
* nb planes is meaning of v4l2 planes
* the gstreamer equivalent is gst_buffer_n_memory
*/
gint n_v4l2_planes;
/* We cache the frame duration if known */
GstClockTime duration;
/* if the MPLANE device support both contiguous and non contiguous
* it allows to select which one we want. But we prefered_non_contiguous
* non contiguous mode.
*/
gboolean prefered_non_contiguous;
/* This will be set if supported in decide_allocation. It can be used to
* calculate the minimum latency. */
guint32 min_buffers;
/* wanted mode */
GstV4l2IOMode req_mode;
/* optional pool */
GstBufferPool *pool;
/* the video device's capabilities */
struct v4l2_capability vcap;
/* opened device specific capabilities */
guint32 device_caps;
/* lists... */
GSList *formats; /* list of available capture formats */
GstCaps *probed_caps;
GList *colors;
GList *norms;
GList *channels;
GData *controls;
/* properties */
v4l2_std_id tv_norm;
gchar *channel;
gulong frequency;
GstStructure *extra_controls;
gboolean keep_aspect;
GValue *par;
#ifdef USE_V4L2_TARGET_NV
gboolean enableMVBufferMeta;
gboolean Enable_frame_type_reporting;
gboolean Enable_error_check;
gboolean Enable_headers;
gint ProcessedFrames;
gboolean open_mjpeg_block;
gboolean capture_plane_stopped;
GCond cplane_stopped_cond;
GMutex cplane_stopped_lock;
guint sei_payload_size;
void* sei_payload;
#endif
/* funcs */
GstV4l2GetInOutFunction get_in_out_func;
GstV4l2SetInOutFunction set_in_out_func;
GstV4l2UpdateFpsFunction update_fps_func;
/* syscalls */
gint (*fd_open) (gint fd, gint v4l2_flags);
gint (*close) (gint fd);
gint (*dup) (gint fd);
gint (*ioctl) (gint fd, gulong request, ...);
gssize (*read) (gint fd, gpointer buffer, gsize n);
gpointer (*mmap) (gpointer start, gsize length, gint prot, gint flags,
gint fd, off_t offset);
gint (*munmap) (gpointer _start, gsize length);
/* Quirks */
/* Skips interlacing probes */
gboolean never_interlaced;
/* Allow to skip reading initial format through G_FMT. Some devices
* just fails if you don't call S_FMT first. (ex: M2M decoders) */
gboolean no_initial_format;
/* Avoid any try_fmt probe. This is used by v4l2src to speedup start up time
* on slow USB firmwares. When this is set, gst_v4l2_set_format() will modify
* the caps to reflect what was negotiated during fixation */
gboolean skip_try_fmt_probes;
};
struct _GstV4l2ObjectClassHelper {
/* probed devices */
GList *devices;
};
GType gst_v4l2_object_get_type (void);
#define V4L2_STD_OBJECT_PROPS \
PROP_DEVICE, \
PROP_DEVICE_NAME, \
PROP_DEVICE_FD, \
PROP_FLAGS, \
PROP_BRIGHTNESS, \
PROP_CONTRAST, \
PROP_SATURATION, \
PROP_HUE, \
PROP_TV_NORM, \
PROP_IO_MODE, \
PROP_OUTPUT_IO_MODE, \
PROP_CAPTURE_IO_MODE, \
PROP_EXTRA_CONTROLS, \
PROP_PIXEL_ASPECT_RATIO, \
PROP_FORCE_ASPECT_RATIO
/* create/destroy */
GstV4l2Object* gst_v4l2_object_new (GstElement * element,
GstObject * dbg_obj,
enum v4l2_buf_type type,
const char * default_device,
GstV4l2GetInOutFunction get_in_out_func,
GstV4l2SetInOutFunction set_in_out_func,
GstV4l2UpdateFpsFunction update_fps_func);
void gst_v4l2_object_destroy (GstV4l2Object * v4l2object);
/* properties */
void gst_v4l2_object_install_properties_helper (GObjectClass * gobject_class,
const char * default_device);
void gst_v4l2_object_install_m2m_properties_helper (GObjectClass * gobject_class);
#ifdef USE_V4L2_TARGET_NV
void gst_v4l2_object_install_m2m_dec_iomode_properties_helper (GObjectClass * gobject_class);
void gst_v4l2_object_install_m2m_enc_iomode_properties_helper (GObjectClass * gobject_class);
#endif
gboolean gst_v4l2_object_set_property_helper (GstV4l2Object * v4l2object,
guint prop_id,
const GValue * value,
GParamSpec * pspec);
gboolean gst_v4l2_object_get_property_helper (GstV4l2Object *v4l2object,
guint prop_id, GValue * value,
GParamSpec * pspec);
/* open/close */
gboolean gst_v4l2_object_open (GstV4l2Object * v4l2object);
gboolean gst_v4l2_object_open_shared (GstV4l2Object * v4l2object, GstV4l2Object * other);
gboolean gst_v4l2_object_close (GstV4l2Object * v4l2object);
/* probing */
GstCaps* gst_v4l2_object_get_all_caps (void);
GstCaps* gst_v4l2_object_get_raw_caps (void);
GstCaps* gst_v4l2_object_get_codec_caps (void);
gint gst_v4l2_object_extrapolate_stride (const GstVideoFormatInfo * finfo,
gint plane, gint stride);
gboolean gst_v4l2_object_set_format (GstV4l2Object * v4l2object, GstCaps * caps, GstV4l2Error * error);
gboolean gst_v4l2_object_try_format (GstV4l2Object * v4l2object, GstCaps * caps, GstV4l2Error * error);
gboolean gst_v4l2_object_caps_equal (GstV4l2Object * v4l2object, GstCaps * caps);
gboolean gst_v4l2_object_unlock (GstV4l2Object * v4l2object);
gboolean gst_v4l2_object_unlock_stop (GstV4l2Object * v4l2object);
gboolean gst_v4l2_object_stop (GstV4l2Object * v4l2object);
GstCaps * gst_v4l2_object_probe_caps (GstV4l2Object * v4l2object, GstCaps * filter);
GstCaps * gst_v4l2_object_get_caps (GstV4l2Object * v4l2object, GstCaps * filter);
gboolean gst_v4l2_object_acquire_format (GstV4l2Object * v4l2object, GstVideoInfo * info);
gboolean gst_v4l2_object_set_crop (GstV4l2Object * obj);
gboolean gst_v4l2_object_decide_allocation (GstV4l2Object * v4l2object, GstQuery * query);
gboolean gst_v4l2_object_propose_allocation (GstV4l2Object * obj, GstQuery * query);
GstStructure * gst_v4l2_object_v4l2fourcc_to_structure (guint32 fourcc);
/* TODO Move to proper namespace */
/* open/close the device */
gboolean gst_v4l2_open (GstV4l2Object * v4l2object);
gboolean gst_v4l2_dup (GstV4l2Object * v4l2object, GstV4l2Object * other);
gboolean gst_v4l2_close (GstV4l2Object * v4l2object);
/* norm/input/output */
gboolean gst_v4l2_get_norm (GstV4l2Object * v4l2object, v4l2_std_id * norm);
gboolean gst_v4l2_set_norm (GstV4l2Object * v4l2object, v4l2_std_id norm);
gboolean gst_v4l2_get_input (GstV4l2Object * v4l2object, gint * input);
gboolean gst_v4l2_set_input (GstV4l2Object * v4l2object, gint input);
gboolean gst_v4l2_get_output (GstV4l2Object * v4l2object, gint * output);
gboolean gst_v4l2_set_output (GstV4l2Object * v4l2object, gint output);
/* frequency control */
gboolean gst_v4l2_get_frequency (GstV4l2Object * v4l2object, gint tunernum, gulong * frequency);
gboolean gst_v4l2_set_frequency (GstV4l2Object * v4l2object, gint tunernum, gulong frequency);
gboolean gst_v4l2_signal_strength (GstV4l2Object * v4l2object, gint tunernum, gulong * signal);
/* attribute control */
gboolean gst_v4l2_get_attribute (GstV4l2Object * v4l2object, int attribute, int * value);
gboolean gst_v4l2_set_attribute (GstV4l2Object * v4l2object, int attribute, const int value);
gboolean gst_v4l2_set_controls (GstV4l2Object * v4l2object, GstStructure * controls);
#ifdef USE_V4L2_TARGET_NV
gboolean set_v4l2_video_mpeg_class (GstV4l2Object * v4l2object, guint label,
gint params);
#endif
G_END_DECLS
#endif /* __GST_V4L2_OBJECT_H__ */
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