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5c1f0868fd6f0d7cd0e0d2a0e4d5e5035b0faee4
gst-nvvideo4linux2/gst-v4l2/gstv4l2videoenc.c
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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/*
* Copyright (C) 2014-2017 SUMOMO Computer Association
* Authors Ayaka <ayaka@soulik.info>
* Copyright (C) 2017 Collabora Ltd.
* Author: Nicolas Dufresne <nicolas.dufresne@collabora.com>
* Copyright (c) 2018-2023, NVIDIA CORPORATION. All rights reserved.
*
* 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.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#ifdef USE_V4L2_TARGET_NV
#include <stdlib.h>
#endif
#include "gstv4l2object.h"
#include "gstv4l2videoenc.h"
#include "gstnvdsseimeta.h"
#include "gst-nvcustomevent.h"
#include <string.h>
#include <gst/gst-i18n-plugin.h>
GST_DEBUG_CATEGORY_STATIC (gst_v4l2_video_enc_debug);
#define GST_CAT_DEFAULT gst_v4l2_video_enc_debug
static gboolean enable_latency_measurement = FALSE;
#ifdef USE_V4L2_TARGET_NV
#define OUTPUT_CAPS \
"video/x-raw(memory:NVMM), " \
"width = (gint) [ 1, MAX ], " \
"height = (gint) [ 1, MAX ], " \
"format = (string) { I420, NV12, P010_10LE, Y444, Y444_10LE, NV24}, " \
"framerate = (fraction) [ 0, MAX ];"
static GstStaticCaps sink_template_caps =
GST_STATIC_CAPS (OUTPUT_CAPS);
static GstStaticPadTemplate gst_v4l2enc_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (OUTPUT_CAPS));
#endif
typedef struct
{
gchar *device;
GstCaps *sink_caps;
GstCaps *src_caps;
} GstV4l2VideoEncCData;
#ifdef USE_V4L2_TARGET_NV
GstVideoCodecFrame *
gst_v4l2_video_enc_find_nearest_frame (GstV4l2VideoEnc *self,
GstBuffer * buf, GList * frames);
gboolean set_v4l2_video_encoder_properties (GstVideoEncoder * encoder);
gboolean setQpRange (GstV4l2Object * v4l2object, guint label, guint MinQpI,
guint MaxQpI, guint MinQpP, guint MaxQpP, guint MinQpB, guint MaxQpB);
gboolean setHWPresetType (GstV4l2Object * v4l2object, guint label,
enum v4l2_enc_hw_preset_type type);
gint gst_v4l2_trace_file_open (FILE ** file);
void gst_v4l2_trace_file_close (FILE * file);
void gst_v4l2_trace_printf (FILE * file, const gchar *fmt, ...);
static gboolean
gst_v4l2_video_enc_parse_constqp (GstV4l2VideoEnc * self, const gchar * arr);
static gboolean
gst_v4l2_video_enc_parse_initqp (GstV4l2VideoEnc * self, const gchar * arr);
static gboolean
gst_v4l2_video_enc_parse_quantization_range (GstV4l2VideoEnc * self,
const gchar * arr);
static GType gst_v4l2_videnc_hw_preset_level_get_type (void);
static GType gst_v4l2_videnc_tuning_info_get_type (void);
static void gst_v4l2_video_encoder_forceIDR (GstV4l2VideoEnc * self);
static GType gst_v4l2_videnc_ratecontrol_get_type (void);
enum
{
/* actions */
SIGNAL_FORCE_IDR,
LAST_SIGNAL
};
static guint gst_v4l2_signals[LAST_SIGNAL] = { 0 };
#endif
enum
{
PROP_0,
V4L2_STD_OBJECT_PROPS,
#ifdef USE_V4L2_TARGET_NV
/* Common properties */
PROP_BITRATE,
PROP_RATE_CONTROL,
PROP_INTRA_FRAME_INTERVAL,
/* Properties exposed on dGPU only */
PROP_CUDAENC_GPU_ID,
PROP_CUDAENC_PRESET_ID,
PROP_CUDAENC_CONSTQP,
PROP_CUDAENC_INITQP,
PROP_CUDAENC_TUNING_INFO_ID,
/* Properties exposed on Tegra only */
PROP_PEAK_BITRATE,
PROP_QUANT_I_FRAMES,
PROP_QUANT_P_FRAMES,
PROP_QUANT_B_FRAMES,
PROP_HW_PRESET_LEVEL,
PROP_QUANT_RANGE,
PROP_VIRTUAL_BUFFER_SIZE,
PROP_MEASURE_LATENCY,
PROP_RC_ENABLE,
PROP_MAX_PERF,
PROP_IDR_FRAME_INTERVAL,
PROP_FORCE_INTRA,
PROP_COPY_METADATA,
PROP_FORCE_IDR
#endif
};
#ifdef USE_V4L2_TARGET_NV
/* Defaults */
#define GST_V4L2_VIDEO_ENC_BITRATE_DEFAULT (4000000)
#define GST_V4L2_VIDEO_ENC_PEAK_BITRATE_DEFAULT (0)
#define DEFAULT_RATE_CONTROL V4L2_MPEG_VIDEO_BITRATE_MODE_CBR
#define DEFAULT_INTRA_FRAME_INTERVAL 30
#define DEFAULT_CUDAENC_GPU_ID 0
#define DEFAULT_CUDAENC_PRESET_ID 1
#define DEFAULT_CUDAENC_TUNING_INFO_ID 3
#define DEFAULT_IDR_FRAME_INTERVAL 256
#define GST_V4L2_VIDEO_ENC_QUANT_I_FRAMES_DEFAULT (0xffffffff)
#define GST_V4L2_VIDEO_ENC_QUANT_P_FRAMES_DEFAULT (0xffffffff)
#define GST_V4L2_VIDEO_ENC_QUANT_B_FRAMES_DEFAULT (0xffffffff)
#define DEFAULT_HW_PRESET_LEVEL V4L2_ENC_HW_PRESET_ULTRAFAST
#define DEFAULT_TUNING_INFO_PRESET V4L2_ENC_TUNING_INFO_LOW_LATENCY
#define GST_TYPE_V4L2_VID_ENC_HW_PRESET_LEVEL (gst_v4l2_videnc_hw_preset_level_get_type ())
#define GST_TYPE_V4L2_VID_ENC_TUNING_INFO_PRESET (gst_v4l2_videnc_tuning_info_get_type ())
#define GST_TYPE_V4L2_VID_ENC_RATECONTROL (gst_v4l2_videnc_ratecontrol_get_type())
#define DEFAULT_VBV_SIZE 4000000
#endif
#define gst_v4l2_video_enc_parent_class parent_class
G_DEFINE_ABSTRACT_TYPE (GstV4l2VideoEnc, gst_v4l2_video_enc,
GST_TYPE_VIDEO_ENCODER);
static gdouble get_current_system_timestamp(void)
{
struct timeval t1;
double elapsedTime = 0;
gettimeofday(&t1, NULL);
elapsedTime = (t1.tv_sec) * 1000.0;
elapsedTime += (t1.tv_usec) / 1000.0;
return elapsedTime;
}
#ifdef USE_V4L2_TARGET_NV
GType
gst_v4l2_enc_output_io_mode_get_type (void)
{
static GType v4l2_enc_output_io_mode = 0;
if (!v4l2_enc_output_io_mode) {
static const GEnumValue enc_output_io_modes[] = {
{GST_V4L2_IO_AUTO, "GST_V4L2_IO_AUTO", "auto"},
{GST_V4L2_IO_MMAP, "GST_V4L2_IO_MMAP", "mmap"},
{GST_V4L2_IO_DMABUF_IMPORT, "GST_V4L2_IO_DMABUF_IMPORT", "dmabuf-import"},
{0, NULL, NULL}
};
v4l2_enc_output_io_mode = g_enum_register_static ("GstNvV4l2EncOutputIOMode",
enc_output_io_modes);
}
return v4l2_enc_output_io_mode;
}
GType
gst_v4l2_enc_capture_io_mode_get_type (void)
{
static GType v4l2_enc_capture_io_mode = 0;
if (!v4l2_enc_capture_io_mode) {
static const GEnumValue enc_capture_io_modes[] = {
{GST_V4L2_IO_AUTO, "GST_V4L2_IO_AUTO", "auto"},
{GST_V4L2_IO_MMAP, "GST_V4L2_IO_MMAP", "mmap"},
{0, NULL, NULL}
};
v4l2_enc_capture_io_mode = g_enum_register_static ("GstNvV4l2EncCaptureIOMode",
enc_capture_io_modes);
}
return v4l2_enc_capture_io_mode;
}
#endif
static void
gst_v4l2_video_enc_set_property_tegra (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (object);
switch (prop_id) {
case PROP_CAPTURE_IO_MODE:
if (!gst_v4l2_object_set_property_helper (self->v4l2capture,
prop_id, value, pspec)) {
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
break;
#ifdef USE_V4L2_TARGET_NV
case PROP_RATE_CONTROL:
self->ratecontrol = g_value_get_enum (value);
break;
case PROP_BITRATE:
self->bitrate = g_value_get_uint (value);
if (GST_V4L2_IS_OPEN (self->v4l2output)) {
if (!set_v4l2_video_mpeg_class (self->v4l2output,
V4L2_CID_MPEG_VIDEO_BITRATE, self->bitrate)) {
g_print ("S_EXT_CTRLS for BITRATE failed\n");
}
}
break;
case PROP_INTRA_FRAME_INTERVAL:
self->iframeinterval = g_value_get_uint (value);
break;
case PROP_PEAK_BITRATE:
self->peak_bitrate = g_value_get_uint (value);
break;
case PROP_QUANT_RANGE:
gst_v4l2_video_enc_parse_quantization_range (self,
g_value_get_string (value));
self->set_qpRange = TRUE;
break;
case PROP_QUANT_I_FRAMES:
self->quant_i_frames = g_value_get_uint (value);
break;
case PROP_QUANT_P_FRAMES:
self->quant_p_frames = g_value_get_uint (value);
break;
case PROP_QUANT_B_FRAMES:
self->quant_b_frames = g_value_get_uint (value);
break;
case PROP_HW_PRESET_LEVEL:
self->hw_preset_level = g_value_get_enum (value);
break;
case PROP_VIRTUAL_BUFFER_SIZE:
self->virtual_buffer_size = g_value_get_uint (value);
break;
case PROP_MEASURE_LATENCY:
self->measure_latency = g_value_get_boolean (value);
break;
case PROP_RC_ENABLE:
self->ratecontrol_enable = g_value_get_boolean (value);
break;
case PROP_MAX_PERF:
self->maxperf_enable = g_value_get_boolean (value);
break;
case PROP_IDR_FRAME_INTERVAL:
self->idrinterval = g_value_get_uint (value);
break;
#endif
/* By default, only set on output */
default:
if (!gst_v4l2_object_set_property_helper (self->v4l2output,
prop_id, value, pspec)) {
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
break;
}
}
static void
gst_v4l2_video_enc_set_property_cuvid (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (object);
switch (prop_id) {
case PROP_CAPTURE_IO_MODE:
if (!gst_v4l2_object_set_property_helper (self->v4l2capture,
prop_id, value, pspec)) {
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
break;
#ifdef USE_V4L2_TARGET_NV
case PROP_RATE_CONTROL:
self->ratecontrol = g_value_get_enum (value);
break;
case PROP_BITRATE:
self->bitrate = g_value_get_uint (value);
if (GST_V4L2_IS_OPEN (self->v4l2output)) {
if (!set_v4l2_video_mpeg_class (self->v4l2output,
V4L2_CID_MPEG_VIDEO_BITRATE, self->bitrate)) {
g_print ("S_EXT_CTRLS for BITRATE failed\n");
}
}
break;
case PROP_INTRA_FRAME_INTERVAL:
self->iframeinterval = g_value_get_uint (value);
break;
case PROP_QUANT_RANGE:
gst_v4l2_video_enc_parse_quantization_range (self,
g_value_get_string (value));
self->set_qpRange = TRUE;
break;
case PROP_CUDAENC_GPU_ID:
self->cudaenc_gpu_id = g_value_get_uint (value);
break;
case PROP_CUDAENC_PRESET_ID:
self->cudaenc_preset_id = g_value_get_uint (value);
break;
case PROP_CUDAENC_CONSTQP:
gst_v4l2_video_enc_parse_constqp (self,
g_value_get_string (value));
break;
case PROP_CUDAENC_INITQP:
gst_v4l2_video_enc_parse_initqp (self,
g_value_get_string (value));
break;
case PROP_CUDAENC_TUNING_INFO_ID:
self->cudaenc_tuning_info_id = g_value_get_enum (value);
break;
case PROP_IDR_FRAME_INTERVAL:
self->idrinterval = g_value_get_uint (value);
break;
case PROP_FORCE_IDR:
self->force_idr = g_value_get_boolean (value);
break;
case PROP_FORCE_INTRA:
self->force_intra = g_value_get_boolean (value);
break;
case PROP_COPY_METADATA:
self->copy_meta = g_value_get_boolean (value);
break;
#endif
/* By default, only set on output */
default:
if (!gst_v4l2_object_set_property_helper (self->v4l2output,
prop_id, value, pspec)) {
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
break;
}
}
static void
gst_v4l2_video_enc_get_property_tegra (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (object);
switch (prop_id) {
case PROP_CAPTURE_IO_MODE:
if (!gst_v4l2_object_get_property_helper (self->v4l2capture,
prop_id, value, pspec)) {
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
break;
#ifdef USE_V4L2_TARGET_NV
case PROP_RATE_CONTROL:
g_value_set_enum (value, self->ratecontrol);
break;
case PROP_BITRATE:
g_value_set_uint (value, self->bitrate);
break;
case PROP_INTRA_FRAME_INTERVAL:
g_value_set_uint (value, self->iframeinterval);
break;
case PROP_PEAK_BITRATE:
g_value_set_uint (value, self->peak_bitrate);
break;
case PROP_QUANT_RANGE:
// gst_v4l2_video_enc_get_quantization_range (self, value);
break;
case PROP_QUANT_I_FRAMES:
g_value_set_uint (value, self->quant_i_frames);
break;
case PROP_QUANT_P_FRAMES:
g_value_set_uint (value, self->quant_p_frames);
break;
case PROP_QUANT_B_FRAMES:
g_value_set_uint (value, self->quant_b_frames);
break;
case PROP_HW_PRESET_LEVEL:
g_value_set_enum (value, self->hw_preset_level);
break;
case PROP_VIRTUAL_BUFFER_SIZE:
g_value_set_uint (value, self->virtual_buffer_size);
break;
case PROP_MEASURE_LATENCY:
g_value_set_boolean (value, self->measure_latency);
break;
case PROP_RC_ENABLE:
g_value_set_boolean (value, self->ratecontrol_enable);
break;
case PROP_MAX_PERF:
g_value_set_boolean (value, self->maxperf_enable);
break;
case PROP_IDR_FRAME_INTERVAL:
g_value_set_uint (value, self->idrinterval);
break;
#endif
/* By default read from output */
default:
if (!gst_v4l2_object_get_property_helper (self->v4l2output,
prop_id, value, pspec)) {
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
break;
}
}
static void
gst_v4l2_video_enc_get_property_cuvid (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (object);
switch (prop_id) {
case PROP_CAPTURE_IO_MODE:
if (!gst_v4l2_object_get_property_helper (self->v4l2capture,
prop_id, value, pspec)) {
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
break;
#ifdef USE_V4L2_TARGET_NV
case PROP_RATE_CONTROL:
g_value_set_enum (value, self->ratecontrol);
break;
case PROP_BITRATE:
g_value_set_uint (value, self->bitrate);
break;
case PROP_INTRA_FRAME_INTERVAL:
g_value_set_uint (value, self->iframeinterval);
break;
case PROP_CUDAENC_GPU_ID:
g_value_set_uint(value, self->cudaenc_gpu_id);
break;
case PROP_CUDAENC_PRESET_ID:
g_value_set_uint(value, self->cudaenc_preset_id);
break;
case PROP_QUANT_RANGE:
// gst_v4l2_video_enc_get_quantization_range (self, value);
break;
case PROP_CUDAENC_CONSTQP:
break;
case PROP_CUDAENC_INITQP:
break;
case PROP_CUDAENC_TUNING_INFO_ID:
g_value_set_enum(value, self->cudaenc_tuning_info_id);
break;
case PROP_IDR_FRAME_INTERVAL:
g_value_set_uint (value, self->idrinterval);
break;
case PROP_FORCE_IDR:
g_value_set_boolean (value, self->force_idr);
break;
case PROP_FORCE_INTRA:
g_value_set_boolean (value, self->force_intra);
break;
case PROP_COPY_METADATA:
g_value_set_boolean (value, self->copy_meta);
break;
#endif
/* By default read from output */
default:
if (!gst_v4l2_object_get_property_helper (self->v4l2output,
prop_id, value, pspec)) {
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
break;
}
}
static gboolean
gst_v4l2_video_enc_open (GstVideoEncoder * encoder)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
GstCaps *codec_caps;
#ifdef USE_V4L2_TARGET_NV
const gchar *mimetype;
GstStructure *s;
GstV4l2VideoEncClass *klass = NULL;
if (is_cuvid == TRUE)
klass = GST_V4L2_VIDEO_ENC_GET_CLASS (encoder);
#endif
GST_DEBUG_OBJECT (self, "Opening");
if (!gst_v4l2_object_open (self->v4l2output))
goto failure;
if (!gst_v4l2_object_open_shared (self->v4l2capture, self->v4l2output))
goto failure;
self->probed_sinkcaps = gst_v4l2_object_probe_caps (self->v4l2output,
gst_v4l2_object_get_raw_caps ());
if (gst_caps_is_empty (self->probed_sinkcaps))
goto no_raw_format;
codec_caps = gst_pad_get_pad_template_caps (encoder->srcpad);
self->probed_srccaps = gst_v4l2_object_probe_caps (self->v4l2capture,
codec_caps);
gst_caps_unref (codec_caps);
if (gst_caps_is_empty (self->probed_srccaps))
goto no_encoded_format;
#ifdef USE_V4L2_TARGET_NV
s = gst_caps_get_structure (self->probed_srccaps, 0);
mimetype = gst_structure_get_name (s);
if (g_str_equal (mimetype, "video/x-h264") && self->slice_output) {
gst_structure_remove_field (s, "alignment");
gst_structure_set (s, "alignment", G_TYPE_STRING, "nal", NULL);
}
if (self->measure_latency) {
if (gst_v4l2_trace_file_open (&self->tracing_file_enc) == 0) {
g_print ("%s: open trace file successfully\n", __func__);
self->got_frame_pt = g_queue_new ();
} else
g_print ("%s: failed to open trace file\n", __func__);
}
if (is_cuvid == TRUE) {
if (strcmp (klass->codec_name, "H264") == 0
|| strcmp (klass->codec_name, "H265") == 0){
if (!klass->set_encoder_properties (encoder)) {
return FALSE;
}
}
if (!set_v4l2_video_encoder_properties (encoder)) {
return FALSE;
}
}
#endif
return TRUE;
no_encoded_format:
GST_ELEMENT_ERROR (self, RESOURCE, SETTINGS,
(_("Encoder on device %s has no supported output format"),
self->v4l2output->videodev), (NULL));
goto failure;
no_raw_format:
GST_ELEMENT_ERROR (self, RESOURCE, SETTINGS,
(_("Encoder on device %s has no supported input format"),
self->v4l2output->videodev), (NULL));
goto failure;
failure:
if (GST_V4L2_IS_OPEN (self->v4l2output))
gst_v4l2_object_close (self->v4l2output);
if (GST_V4L2_IS_OPEN (self->v4l2capture))
gst_v4l2_object_close (self->v4l2capture);
gst_caps_replace (&self->probed_srccaps, NULL);
gst_caps_replace (&self->probed_sinkcaps, NULL);
return FALSE;
}
static gboolean
gst_v4l2_video_enc_close (GstVideoEncoder * encoder)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
GST_DEBUG_OBJECT (self, "Closing");
gst_v4l2_object_close (self->v4l2output);
gst_v4l2_object_close (self->v4l2capture);
gst_caps_replace (&self->probed_srccaps, NULL);
gst_caps_replace (&self->probed_sinkcaps, NULL);
#ifdef USE_V4L2_TARGET_NV
if (self->tracing_file_enc) {
gst_v4l2_trace_file_close (self->tracing_file_enc);
g_queue_free (self->got_frame_pt);
}
#endif
return TRUE;
}
static gboolean
gst_v4l2_video_enc_start (GstVideoEncoder * encoder)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
GST_DEBUG_OBJECT (self, "Starting");
gst_v4l2_object_unlock (self->v4l2output);
g_atomic_int_set (&self->active, TRUE);
self->output_flow = GST_FLOW_OK;
self->hash_pts_systemtime = g_hash_table_new(NULL, NULL);
return TRUE;
}
static gboolean
gst_v4l2_video_enc_stop (GstVideoEncoder * encoder)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
GST_DEBUG_OBJECT (self, "Stopping");
gst_v4l2_object_unlock (self->v4l2output);
gst_v4l2_object_unlock (self->v4l2capture);
/* Wait for capture thread to stop */
gst_pad_stop_task (encoder->srcpad);
GST_VIDEO_ENCODER_STREAM_LOCK (encoder);
self->output_flow = GST_FLOW_OK;
GST_VIDEO_ENCODER_STREAM_UNLOCK (encoder);
/* Should have been flushed already */
g_assert (g_atomic_int_get (&self->active) == FALSE);
g_assert (g_atomic_int_get (&self->processing) == FALSE);
gst_v4l2_object_stop (self->v4l2output);
gst_v4l2_object_stop (self->v4l2capture);
g_hash_table_destroy (self->hash_pts_systemtime);
if (self->input_state) {
gst_video_codec_state_unref (self->input_state);
self->input_state = NULL;
}
GST_DEBUG_OBJECT (self, "Stopped");
return TRUE;
}
static gboolean
gst_v4l2_encoder_cmd (GstV4l2Object * v4l2object, guint cmd, guint flags)
{
struct v4l2_encoder_cmd ecmd = { 0, };
GST_DEBUG_OBJECT (v4l2object->element,
"sending v4l2 encoder command %u with flags %u", cmd, flags);
if (!GST_V4L2_IS_OPEN (v4l2object))
return FALSE;
ecmd.cmd = cmd;
ecmd.flags = flags;
if (v4l2object->ioctl (v4l2object->video_fd, VIDIOC_ENCODER_CMD, &ecmd) < 0)
goto ecmd_failed;
return TRUE;
ecmd_failed:
if (errno == ENOTTY) {
GST_INFO_OBJECT (v4l2object->element,
"Failed to send encoder command %u with flags %u for '%s'. (%s)",
cmd, flags, v4l2object->videodev, g_strerror (errno));
} else {
GST_ERROR_OBJECT (v4l2object->element,
"Failed to send encoder command %u with flags %u for '%s'. (%s)",
cmd, flags, v4l2object->videodev, g_strerror (errno));
}
return FALSE;
}
static GstFlowReturn
gst_v4l2_video_enc_finish (GstVideoEncoder * encoder)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
GstFlowReturn ret = GST_FLOW_OK;
if (gst_pad_get_task_state (encoder->srcpad) != GST_TASK_STARTED)
goto done;
GST_DEBUG_OBJECT (self, "Finishing encoding");
/* drop the stream lock while draining, so remaining buffers can be
* pushed from the src pad task thread */
GST_VIDEO_ENCODER_STREAM_UNLOCK (encoder);
#ifndef USE_V4L2_TARGET_NV
if (gst_v4l2_encoder_cmd (self->v4l2capture, V4L2_ENC_CMD_STOP, 0)) {
#else
if (gst_v4l2_encoder_cmd (self->v4l2capture, V4L2_ENC_CMD_STOP,
V4L2_DEC_CMD_STOP_TO_BLACK)) {
#endif
GstTask *task = encoder->srcpad->task;
/* Wait for the task to be drained */
GST_OBJECT_LOCK (task);
while (GST_TASK_STATE (task) == GST_TASK_STARTED)
GST_TASK_WAIT (task);
GST_OBJECT_UNLOCK (task);
ret = GST_FLOW_FLUSHING;
}
/* and ensure the processing thread has stopped in case another error
* occured. */
gst_v4l2_object_unlock (self->v4l2capture);
#ifdef USE_V4L2_TARGET_NV
set_v4l2_video_mpeg_class (self->v4l2capture,
V4L2_CID_MPEG_SET_POLL_INTERRUPT, 0);
#endif
gst_pad_stop_task (encoder->srcpad);
GST_VIDEO_ENCODER_STREAM_LOCK (encoder);
if (ret == GST_FLOW_FLUSHING)
ret = self->output_flow;
GST_DEBUG_OBJECT (encoder, "Done draining buffers");
done:
return ret;
}
#ifdef USE_V4L2_TARGET_NV
gboolean is_drc (GstVideoEncoder *encoder, GstCaps *input_caps)
{
int curr_width, curr_height, new_width, new_height;
GstStructure *sink_caps_st, *input_caps_st;
GstCaps *sink_caps = gst_caps_make_writable(gst_pad_get_current_caps(encoder->sinkpad));
sink_caps_st = gst_caps_get_structure(sink_caps, 0);
input_caps_st = gst_caps_get_structure(input_caps, 0);
gst_structure_get_int(sink_caps_st, "width", &curr_width);
gst_structure_get_int(sink_caps_st, "height", &curr_height);
gst_structure_get_int(input_caps_st, "width", &new_width);
gst_structure_get_int(input_caps_st, "height", &new_height);
GST_INFO_OBJECT(encoder, "curr resolution: [%dx%d], new resolution: [%dx%d]", curr_width, curr_height, new_width, new_height);
if ((curr_width != new_width) || (curr_height != new_height))
return TRUE;
gst_caps_unref(sink_caps);
return FALSE;
}
void set_encoder_src_caps (GstVideoEncoder *encoder, GstCaps *input_caps)
{
GstStructure *src_caps_st, *input_caps_st;
const GValue *framerate = NULL;
GstCaps *src_caps = gst_caps_make_writable(gst_pad_get_current_caps(encoder->srcpad));
src_caps_st = gst_caps_get_structure(src_caps, 0);
input_caps_st = gst_caps_get_structure(input_caps, 0);
framerate = gst_structure_get_value(input_caps_st, "framerate");
if (framerate)
gst_structure_set_value(src_caps_st, "framerate", framerate);
GST_DEBUG_OBJECT(encoder, "enc_src_caps: %s", gst_caps_to_string(src_caps));
gst_pad_set_caps(encoder->srcpad, src_caps);
gst_caps_unref(src_caps);
}
gboolean
reconfigure_fps (GstVideoEncoder *encoder, GstCaps *input_caps, guint label)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
GstV4l2Object *v4l2object = self->v4l2output;
struct v4l2_ext_control control;
struct v4l2_ext_controls ctrls;
v4l2_ctrl_video_framerate enc_config;
gint curr_fps_n = 0, curr_fps_d = 0;
gint new_fps_n = 0, new_fps_d = 0;
gint ret = 0;
/*Check if current fps is same as in newly received caps */
GstStructure *sink_pad_st, *input_caps_st;
GstCaps *sink_caps = gst_pad_get_current_caps(encoder->sinkpad);
sink_pad_st = gst_caps_get_structure(sink_caps, 0);
input_caps_st = gst_caps_get_structure(input_caps, 0);
gst_structure_get_fraction (sink_pad_st, "framerate", &curr_fps_n, &curr_fps_d);
gst_structure_get_fraction (input_caps_st, "framerate", &new_fps_n, &new_fps_d);
GST_INFO_OBJECT(encoder, "old framerate:[%d/%d], new framerate:[%d/%d]", curr_fps_n, curr_fps_d, new_fps_n, new_fps_d);
if ((curr_fps_n != new_fps_n) || (curr_fps_d != new_fps_d)) {
enc_config.fps_n = new_fps_n;
enc_config.fps_d = new_fps_d;
} else {
GST_DEBUG_OBJECT(encoder, "No change in framerate");
return TRUE;
}
memset (&control, 0, sizeof (control));
memset (&ctrls, 0, sizeof (ctrls));
ctrls.count = 1;
ctrls.controls = &control;
ctrls.ctrl_class = V4L2_CTRL_CLASS_MPEG;
control.id = label;
control.string = (gchar *) &enc_config;
ret = v4l2object->ioctl (v4l2object->video_fd, VIDIOC_S_EXT_CTRLS, &ctrls);
if (ret < 0) {
GST_WARNING_OBJECT (encoder, "Error in reconfiguring fps\n");
return FALSE;
}
return TRUE;
}
#endif
static gboolean
gst_v4l2_video_enc_set_format (GstVideoEncoder * encoder,
GstVideoCodecState * state)
{
gboolean ret = TRUE;
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
GstV4l2Error error = GST_V4L2_ERROR_INIT;
GstCaps *outcaps;
GstVideoCodecState *output;
#ifdef USE_V4L2_TARGET_NV
const gchar *mimetype;
GstStructure *s;
#endif
GST_DEBUG_OBJECT (self, "Setting format: %" GST_PTR_FORMAT, state->caps);
if (self->input_state) {
if (is_cuvid == FALSE) {
if (gst_v4l2_object_caps_equal(self->v4l2output, state->caps)) {
GST_DEBUG_OBJECT(self, "Compatible caps");
return TRUE;
}
}
#ifdef USE_V4L2_TARGET_NV
if (is_cuvid == TRUE) {
if (is_drc (encoder, state->caps)) {
/*TODO: Reset encoder to allocate new buffer size at encoder output plane*/
} else {
GST_DEBUG_OBJECT (self, "Not DRC. Reconfigure encoder with new fps if required");
if (!reconfigure_fps(encoder, state->caps, V4L2_CID_MPEG_VIDEOENC_RECONFIG_FPS))
GST_WARNING_OBJECT(self, "S_EXT_CTRLS for RECONFIG_FPS failed\n");
/* set encoder src caps */
set_encoder_src_caps(encoder, state->caps);
return TRUE;
}
}
#endif
if (gst_v4l2_video_enc_finish (encoder) != GST_FLOW_OK)
return FALSE;
gst_v4l2_object_stop (self->v4l2output);
gst_v4l2_object_stop (self->v4l2capture);
gst_video_codec_state_unref (self->input_state);
self->input_state = NULL;
}
outcaps = gst_pad_get_pad_template_caps (encoder->srcpad);
outcaps = gst_caps_make_writable (outcaps);
#ifdef USE_V4L2_TARGET_NV
s = gst_caps_get_structure (outcaps, 0);
mimetype = gst_structure_get_name (s);
if (g_str_equal (mimetype, "video/x-h264")) {
gst_structure_remove_field (s, "alignment");
if (self->slice_output) {
gst_structure_set (s, "alignment", G_TYPE_STRING, "nal", NULL);
} else {
gst_structure_set (s, "alignment", G_TYPE_STRING, "au", NULL);
}
}
#endif
output = gst_video_encoder_set_output_state (encoder, outcaps, state);
gst_video_codec_state_unref (output);
#ifdef USE_V4L2_TARGET_NV
outcaps = gst_caps_fixate (outcaps);
#endif
if (!gst_video_encoder_negotiate (encoder))
return FALSE;
if (!gst_v4l2_object_set_format (self->v4l2output, state->caps, &error)) {
gst_v4l2_error (self, &error);
return FALSE;
}
/* activating a capture pool will also call STREAMON. CODA driver will
* refuse to configure the output if the capture is stremaing. */
if (!gst_buffer_pool_set_active (GST_BUFFER_POOL (self->v4l2capture->pool),
TRUE)) {
GST_WARNING_OBJECT (self, "Could not activate capture buffer pool.");
return FALSE;
}
self->input_state = gst_video_codec_state_ref (state);
GST_DEBUG_OBJECT (self, "output caps: %" GST_PTR_FORMAT, state->caps);
return ret;
}
static gboolean
gst_v4l2_video_enc_flush (GstVideoEncoder * encoder)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
GST_DEBUG_OBJECT (self, "Flushing");
/* Ensure the processing thread has stopped for the reverse playback
* iscount case */
if (g_atomic_int_get (&self->processing)) {
GST_VIDEO_ENCODER_STREAM_UNLOCK (encoder);
gst_v4l2_object_unlock_stop (self->v4l2output);
gst_v4l2_object_unlock_stop (self->v4l2capture);
#ifdef USE_V4L2_TARGET_NV
set_v4l2_video_mpeg_class (self->v4l2capture,
V4L2_CID_MPEG_SET_POLL_INTERRUPT, 0);
#endif
gst_pad_stop_task (encoder->srcpad);
GST_VIDEO_ENCODER_STREAM_UNLOCK (encoder);
}
self->output_flow = GST_FLOW_OK;
gst_v4l2_object_unlock_stop (self->v4l2output);
gst_v4l2_object_unlock_stop (self->v4l2capture);
return TRUE;
}
struct ProfileLevelCtx
{
GstV4l2VideoEnc *self;
const gchar *profile;
const gchar *level;
};
static gboolean
get_string_list (GstStructure * s, const gchar * field, GQueue * queue)
{
const GValue *value;
value = gst_structure_get_value (s, field);
if (!value)
return FALSE;
if (GST_VALUE_HOLDS_LIST (value)) {
guint i;
if (gst_value_list_get_size (value) == 0)
return FALSE;
for (i = 0; i < gst_value_list_get_size (value); i++) {
const GValue *item = gst_value_list_get_value (value, i);
if (G_VALUE_HOLDS_STRING (item))
g_queue_push_tail (queue, g_value_dup_string (item));
}
} else if (G_VALUE_HOLDS_STRING (value)) {
g_queue_push_tail (queue, g_value_dup_string (value));
}
return TRUE;
}
static gboolean
negotiate_profile_and_level (GstCapsFeatures * features, GstStructure * s,
gpointer user_data)
{
struct ProfileLevelCtx *ctx = user_data;
GstV4l2VideoEncClass *klass = GST_V4L2_VIDEO_ENC_GET_CLASS (ctx->self);
GstV4l2Object *v4l2object = GST_V4L2_VIDEO_ENC (ctx->self)->v4l2output;
GQueue profiles = G_QUEUE_INIT;
GQueue levels = G_QUEUE_INIT;
gboolean failed = FALSE;
if (klass->profile_cid && get_string_list (s, "profile", &profiles)) {
GList *l;
for (l = profiles.head; l; l = l->next) {
struct v4l2_control control = { 0, };
gint v4l2_profile;
const gchar *profile = l->data;
GST_TRACE_OBJECT (ctx->self, "Trying profile %s", profile);
control.id = klass->profile_cid;
control.value = v4l2_profile = klass->profile_from_string (profile);
if (control.value < 0)
continue;
if (v4l2object->ioctl (v4l2object->video_fd, VIDIOC_S_CTRL, &control) < 0) {
GST_WARNING_OBJECT (ctx->self, "Failed to set %s profile: '%s'",
klass->codec_name, g_strerror (errno));
break;
}
profile = klass->profile_to_string (control.value);
if (control.value == v4l2_profile) {
ctx->profile = profile;
break;
}
if (g_list_find_custom (l, profile, g_str_equal)) {
ctx->profile = profile;
break;
}
}
if (profiles.length && !ctx->profile)
failed = TRUE;
g_queue_foreach (&profiles, (GFunc) g_free, NULL);
g_queue_clear (&profiles);
}
if (!failed && klass->level_cid && get_string_list (s, "level", &levels)) {
GList *l;
for (l = levels.head; l; l = l->next) {
struct v4l2_control control = { 0, };
gint v4l2_level;
const gchar *level = l->data;
GST_TRACE_OBJECT (ctx->self, "Trying level %s", level);
control.id = klass->level_cid;
control.value = v4l2_level = klass->level_from_string (level);
if (control.value < 0)
continue;
if (v4l2object->ioctl (v4l2object->video_fd, VIDIOC_S_CTRL, &control) < 0) {
GST_WARNING_OBJECT (ctx->self, "Failed to set %s level: '%s'",
klass->codec_name, g_strerror (errno));
break;
}
level = klass->level_to_string (control.value);
if (control.value == v4l2_level) {
ctx->level = level;
break;
}
if (g_list_find_custom (l, level, g_str_equal)) {
ctx->level = level;
break;
}
}
if (levels.length && !ctx->level)
failed = TRUE;
g_queue_foreach (&levels, (GFunc) g_free, NULL);
g_queue_clear (&levels);
}
/* If it failed, we continue */
return failed;
}
static gboolean
gst_v4l2_video_enc_negotiate (GstVideoEncoder * encoder)
{
GstV4l2VideoEncClass *klass = GST_V4L2_VIDEO_ENC_GET_CLASS (encoder);
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
#ifndef USE_V4L2_TARGET_NV
GstV4l2Object *v4l2object = self->v4l2output;
#endif
GstCaps *allowed_caps;
struct ProfileLevelCtx ctx = { self, NULL, NULL };
GstVideoCodecState *state;
GstStructure *s;
GST_DEBUG_OBJECT (self, "Negotiating %s profile and level.",
klass->codec_name);
/* Only renegotiate on upstream changes */
if (self->input_state)
return TRUE;
allowed_caps = gst_pad_get_allowed_caps (GST_VIDEO_ENCODER_SRC_PAD (encoder));
if (allowed_caps) {
if (gst_caps_is_empty (allowed_caps))
goto not_negotiated;
allowed_caps = gst_caps_make_writable (allowed_caps);
/* negotiate_profile_and_level() will return TRUE on failure to keep
* iterating, if gst_caps_foreach() returns TRUE it means there was no
* compatible profile and level in any of the structure */
if (gst_caps_foreach (allowed_caps, negotiate_profile_and_level, &ctx)) {
goto no_profile_level;
}
}
#ifndef USE_V4L2_TARGET_NV
if (klass->profile_cid && !ctx.profile) {
struct v4l2_control control = { 0, };
control.id = klass->profile_cid;
if (v4l2object->ioctl (v4l2object->video_fd, VIDIOC_G_CTRL, &control) < 0)
goto g_ctrl_failed;
ctx.profile = klass->profile_to_string (control.value);
}
if (klass->level_cid && !ctx.level) {
struct v4l2_control control = { 0, };
control.id = klass->level_cid;
if (v4l2object->ioctl (v4l2object->video_fd, VIDIOC_G_CTRL, &control) < 0)
goto g_ctrl_failed;
ctx.level = klass->level_to_string (control.value);
}
#endif
if (allowed_caps)
gst_caps_unref (allowed_caps);
GST_DEBUG_OBJECT (self, "Selected %s profile %s at level %s",
klass->codec_name, ctx.profile, ctx.level);
state = gst_video_encoder_get_output_state (encoder);
s = gst_caps_get_structure (state->caps, 0);
if (klass->profile_cid)
gst_structure_set (s, "profile", G_TYPE_STRING, ctx.profile, NULL);
if (klass->level_cid)
gst_structure_set (s, "level", G_TYPE_STRING, ctx.level, NULL);
gst_video_codec_state_unref (state);
if (!GST_VIDEO_ENCODER_CLASS (parent_class)->negotiate (encoder))
return FALSE;
return TRUE;
#ifndef USE_V4L2_TARGET_NV
g_ctrl_failed:
GST_WARNING_OBJECT (self, "Failed to get %s profile and level: '%s'",
klass->codec_name, g_strerror (errno));
goto not_negotiated;
#endif
no_profile_level:
GST_WARNING_OBJECT (self, "No compatible level and profile in caps: %"
GST_PTR_FORMAT, allowed_caps);
goto not_negotiated;
not_negotiated:
if (allowed_caps)
gst_caps_unref (allowed_caps);
return FALSE;
}
#ifdef USE_V4L2_TARGET_NV
GstVideoCodecFrame *
gst_v4l2_video_enc_find_nearest_frame (GstV4l2VideoEnc *self,
GstBuffer * buf, GList * frames)
{
GstVideoCodecFrame *best = NULL;
GstClockTimeDiff best_diff = G_MAXINT64;
GstClockTime timestamp;
GList *l;
timestamp = buf->pts;
for (l = frames; l; l = l->next) {
GstVideoCodecFrame *tmp = l->data;
GstClockTimeDiff diff = ABS (GST_CLOCK_DIFF (timestamp, tmp->pts));
if (diff < best_diff) {
best = tmp;
best_diff = diff;
if (diff == 0)
break;
}
}
/* For slice output mode, video encoder will ouput multi buffer with
* one input buffer. Which will cause frames list haven't any entry.
* So the best will be NULL. Video bit stream will be discard in
* function gst_v4l2_video_enc_loop() when the best is NULL.
* Here reuse previous frame when the best is NULL to handle discard
* bit stream issue when slice output mode enabled. */
/* Video encoder will output the same PTS for slices. Reuse previous
* frame for the same PTS slices */
if (self->slice_output && self->best_prev
&& GST_CLOCK_TIME_IS_VALID (buf->pts)
&& GST_CLOCK_TIME_IS_VALID (self->buf_pts_prev)
&& buf->pts == self->buf_pts_prev)
best = NULL;
self->buf_pts_prev = buf->pts;
if (best) {
gst_video_codec_frame_ref (best);
if (self->slice_output) {
if (self->best_prev)
gst_video_codec_frame_unref (self->best_prev);
self->best_prev = gst_video_codec_frame_ref (best);
}
} else if (self->slice_output) {
best = gst_video_codec_frame_ref (self->best_prev);
/* Presentation_frame_number == 0 means discontinues. Need avoid it */
if (best->presentation_frame_number == 0)
best->presentation_frame_number = 1;
}
g_list_foreach (frames, (GFunc) gst_video_codec_frame_unref, NULL);
g_list_free (frames);
return best;
}
#else
static GstVideoCodecFrame *
gst_v4l2_video_enc_get_oldest_frame (GstVideoEncoder * encoder)
{
GstVideoCodecFrame *frame = NULL;
GList *frames, *l;
gint count = 0;
frames = gst_video_encoder_get_frames (encoder);
for (l = frames; l != NULL; l = l->next) {
GstVideoCodecFrame *f = l->data;
if (!frame || frame->pts > f->pts)
frame = f;
count++;
}
if (frame) {
GST_LOG_OBJECT (encoder,
"Oldest frame is %d %" GST_TIME_FORMAT
" and %d frames left",
frame->system_frame_number, GST_TIME_ARGS (frame->pts), count - 1);
gst_video_codec_frame_ref (frame);
}
g_list_free_full (frames, (GDestroyNotify) gst_video_codec_frame_unref);
return frame;
}
#endif
static void
gst_v4l2_video_enc_loop (GstVideoEncoder * encoder)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
GstVideoCodecFrame *frame;
GstBuffer *buffer = NULL;
GstFlowReturn ret;
#ifdef USE_V4L2_TARGET_NV
struct timeval ts;
guint64 done_time;
guint64 *in_time_pt;
#endif
GST_LOG_OBJECT (encoder, "Allocate output buffer");
buffer = gst_video_encoder_allocate_output_buffer (encoder,
self->v4l2capture->info.size);
if (NULL == buffer) {
ret = GST_FLOW_FLUSHING;
goto beach;
}
#ifdef USE_V4L2_TARGET_NV
if (is_cuvid == TRUE && self->force_idr) {
if (!set_v4l2_video_mpeg_class (self->v4l2output,
V4L2_CID_MPEG_VIDEOENC_FORCE_IDR_FRAME, 1)) {
g_print ("S_EXT_CTRLS for FORCE_IDR_FRAME failed\n");
return;
}
self->force_idr = FALSE;
}
if (is_cuvid == TRUE && self->force_intra) {
if (!set_v4l2_video_mpeg_class (self->v4l2output,
V4L2_CID_MPEG_VIDEOENC_FORCE_INTRA_FRAME, 1)) {
g_print ("S_EXT_CTRLS for FORCE_INTRA_FRAME failed\n");
return;
}
self->force_intra = FALSE;
}
#endif
/* FIXME Check if buffer isn't the last one here */
GST_LOG_OBJECT (encoder, "Process output buffer");
ret =
gst_v4l2_buffer_pool_process (GST_V4L2_BUFFER_POOL
(self->v4l2capture->pool), &buffer);
if (ret != GST_FLOW_OK)
goto beach;
#ifdef USE_V4L2_TARGET_NV
frame = gst_v4l2_video_enc_find_nearest_frame (self, buffer,
gst_video_encoder_get_frames (GST_VIDEO_ENCODER (self)));
#else
frame = gst_v4l2_video_enc_get_oldest_frame (encoder);
#endif
if (frame) {
frame->output_buffer = buffer;
buffer = NULL;
if(enable_latency_measurement) /* TODO with better option */
{
gpointer in_time = g_hash_table_lookup (self->hash_pts_systemtime,
&frame->pts);
gdouble input_time = *((gdouble*)in_time);
gdouble output_time = get_current_system_timestamp ();
if (output_time < input_time)
{
gdouble time = G_MAXDOUBLE - input_time;
g_print ("Encode Latency = %f \n", output_time + time);
}
else
{
g_print ("Encode Latency = %f \n", (output_time - input_time));
}
GstCaps *reference = gst_caps_new_simple ("video/x-raw",
"component_name", G_TYPE_STRING, GST_ELEMENT_NAME(self),
/*"frame_num", G_TYPE_INT, self->frame_num++,*/
"in_timestamp", G_TYPE_DOUBLE, input_time,
"out_timestamp", G_TYPE_DOUBLE, output_time,
NULL);
GstReferenceTimestampMeta * enc_meta =
gst_buffer_add_reference_timestamp_meta (frame->output_buffer, reference,
0, 0);
if(enc_meta == NULL)
{
GST_DEBUG_OBJECT (encoder, "enc_meta: %p", enc_meta);
}
gst_caps_unref(reference);
}
#ifdef USE_V4L2_TARGET_NV
if (self->copy_meta == TRUE)
{
if (!gst_buffer_copy_into (frame->output_buffer, frame->input_buffer,
(GstBufferCopyFlags)GST_BUFFER_COPY_METADATA, 0, -1)) {
GST_DEBUG_OBJECT (encoder, "Buffer metadata copy failed \n");
}
}
if (self->tracing_file_enc) {
gettimeofday (&ts, NULL);
done_time = ((gint64) ts.tv_sec * 1000000 + ts.tv_usec) / 1000;
in_time_pt = g_queue_pop_head (self->got_frame_pt);
gst_v4l2_trace_printf (self->tracing_file_enc,
"KPI: v4l2: frameNumber= %lld encoder= %lld ms pts= %lld\n",
frame->system_frame_number, done_time - *in_time_pt, frame->pts);
g_free (in_time_pt);
}
#endif
ret = gst_video_encoder_finish_frame (encoder, frame);
if (ret != GST_FLOW_OK)
goto beach;
} else {
GST_WARNING_OBJECT (encoder, "Encoder is producing too many buffers");
gst_buffer_unref (buffer);
}
return;
beach:
GST_DEBUG_OBJECT (encoder, "Leaving output thread");
gst_buffer_replace (&buffer, NULL);
self->output_flow = ret;
g_atomic_int_set (&self->processing, FALSE);
gst_v4l2_object_unlock (self->v4l2output);
gst_pad_pause_task (encoder->srcpad);
}
static void
gst_v4l2_video_enc_loop_stopped (GstV4l2VideoEnc * self)
{
if (g_atomic_int_get (&self->processing)) {
GST_DEBUG_OBJECT (self, "Early stop of encoding thread");
self->output_flow = GST_FLOW_FLUSHING;
g_atomic_int_set (&self->processing, FALSE);
}
GST_DEBUG_OBJECT (self, "Encoding task destroyed: %s",
gst_flow_get_name (self->output_flow));
}
static GstFlowReturn
gst_v4l2_video_enc_handle_frame (GstVideoEncoder * encoder,
GstVideoCodecFrame * frame)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
GstFlowReturn ret = GST_FLOW_OK;
GstTaskState task_state;
#ifdef USE_V4L2_TARGET_NV
guint64 *in_time;
struct timeval ts;
#endif
GST_DEBUG_OBJECT (self, "Handling frame %d", frame->system_frame_number);
#ifdef USE_V4L2_TARGET_NV
if (self->tracing_file_enc) {
gettimeofday (&ts, NULL);
in_time = g_malloc (sizeof (guint64));
*in_time = ((gint64) ts.tv_sec * 1000000 + ts.tv_usec) / 1000;
g_queue_push_tail (self->got_frame_pt, in_time);
}
#endif
if (enable_latency_measurement)
{
self->buffer_in_time = get_current_system_timestamp ();
g_hash_table_insert (self->hash_pts_systemtime, &frame->pts, &self->buffer_in_time);
}
if (G_UNLIKELY (!g_atomic_int_get (&self->active)))
goto flushing;
task_state = gst_pad_get_task_state (GST_VIDEO_DECODER_SRC_PAD (self));
if (task_state == GST_TASK_STOPPED || task_state == GST_TASK_PAUSED) {
GstBufferPool *pool = GST_BUFFER_POOL (self->v4l2output->pool);
/* It possible that the processing thread stopped due to an error */
if (self->output_flow != GST_FLOW_OK &&
self->output_flow != GST_FLOW_FLUSHING &&
self->output_flow != GST_V4L2_FLOW_LAST_BUFFER) {
GST_DEBUG_OBJECT (self, "Processing loop stopped with error, leaving");
ret = self->output_flow;
goto drop;
}
/* Ensure input internal pool is active */
if (!gst_buffer_pool_is_active (pool)) {
GstStructure *config = gst_buffer_pool_get_config (pool);
guint min = MAX (self->v4l2output->min_buffers, GST_V4L2_MIN_BUFFERS);
gst_buffer_pool_config_set_params (config, self->input_state->caps,
self->v4l2output->info.size, min, min);
/* There is no reason to refuse this config */
if (!gst_buffer_pool_set_config (pool, config))
goto activate_failed;
if (!gst_buffer_pool_set_active (pool, TRUE))
goto activate_failed;
}
#ifdef USE_V4L2_TARGET_NV
set_v4l2_video_mpeg_class (self->v4l2capture,
V4L2_CID_MPEG_SET_POLL_INTERRUPT, 1);
#endif
GST_DEBUG_OBJECT (self, "Starting encoding thread");
/* Start the processing task, when it quits, the task will disable input
* processing to unlock input if draining, or prevent potential block */
if (!gst_pad_start_task (encoder->srcpad,
(GstTaskFunction) gst_v4l2_video_enc_loop, self,
(GDestroyNotify) gst_v4l2_video_enc_loop_stopped))
goto start_task_failed;
}
if (frame->input_buffer) {
GstVideoSEIMeta *meta =
(GstVideoSEIMeta *) gst_buffer_get_meta (frame->input_buffer,
GST_VIDEO_SEI_META_API_TYPE);
if (!meta)
{
GST_DEBUG ("NO META RETRIEVED BY ENCODER\n");
}
else
{
uint32_t total_metadata_size = meta->sei_metadata_size;
GST_DEBUG_OBJECT (self, "total metadata size = %d\n", total_metadata_size);
self->v4l2output->sei_payload_size = 0;
self->v4l2output->sei_payload = NULL;
if (meta->sei_metadata_type == (guint)GST_USER_SEI_META)
{
self->v4l2output->sei_payload_size = meta->sei_metadata_size;
self->v4l2output->sei_payload = (void *) meta->sei_metadata_ptr;
}
}
GST_VIDEO_ENCODER_STREAM_UNLOCK (encoder);
ret =
gst_v4l2_buffer_pool_process (GST_V4L2_BUFFER_POOL
(self->v4l2output->pool), &frame->input_buffer);
GST_VIDEO_ENCODER_STREAM_LOCK (encoder);
if (ret == GST_FLOW_FLUSHING) {
if (gst_pad_get_task_state (GST_VIDEO_DECODER_SRC_PAD (self)) !=
GST_TASK_STARTED)
ret = self->output_flow;
goto drop;
} else if (ret != GST_FLOW_OK) {
goto process_failed;
}
}
gst_video_codec_frame_unref (frame);
return ret;
/* ERRORS */
activate_failed:
{
GST_ELEMENT_ERROR (self, RESOURCE, SETTINGS,
(_("Failed to allocate required memory.")),
("Buffer pool activation failed"));
return GST_FLOW_ERROR;
}
flushing:
{
ret = GST_FLOW_FLUSHING;
goto drop;
}
start_task_failed:
{
GST_ELEMENT_ERROR (self, RESOURCE, FAILED,
(_("Failed to start encoding thread.")), (NULL));
g_atomic_int_set (&self->processing, FALSE);
ret = GST_FLOW_ERROR;
goto drop;
}
process_failed:
{
GST_ELEMENT_ERROR (self, RESOURCE, FAILED,
(_("Failed to process frame.")),
("Maybe be due to not enough memory or failing driver"));
ret = GST_FLOW_ERROR;
goto drop;
}
drop:
{
gst_video_encoder_finish_frame (encoder, frame);
return ret;
}
}
static gboolean
gst_v4l2_video_enc_decide_allocation (GstVideoEncoder *
encoder, GstQuery * query)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
GstVideoCodecState *state = gst_video_encoder_get_output_state (encoder);
GstV4l2Error error = GST_V4L2_ERROR_INIT;
GstClockTime latency;
gboolean ret = FALSE;
#ifdef USE_V4L2_TARGET_NV
if (self->v4l2capture->active) {
if (self->v4l2capture->pool) {
GST_DEBUG_OBJECT (self->v4l2capture->dbg_obj, "deactivating pool");
gst_buffer_pool_set_active (self->v4l2capture->pool, FALSE);
}
GST_V4L2_SET_INACTIVE (self->v4l2capture);
}
#endif
/* We need to set the format here, since this is called right after
* GstVideoEncoder have set the width, height and framerate into the state
* caps. These are needed by the driver to calculate the buffer size and to
* implement bitrate adaptation. */
if (!gst_v4l2_object_set_format (self->v4l2capture, state->caps, &error)) {
gst_v4l2_error (self, &error);
ret = FALSE;
goto done;
}
if (gst_v4l2_object_decide_allocation (self->v4l2capture, query)) {
GstVideoEncoderClass *enc_class = GST_VIDEO_ENCODER_CLASS (parent_class);
ret = enc_class->decide_allocation (encoder, query);
}
/* FIXME This may not be entirely correct, as encoder may keep some
* observation withouth delaying the encoding. Linux Media API need some
* more work to explicitly expressed the decoder / encoder latency. This
* value will then become max latency, and the reported driver latency would
* become the min latency. */
latency = self->v4l2capture->min_buffers * self->v4l2capture->duration;
gst_video_encoder_set_latency (encoder, latency, latency);
done:
gst_video_codec_state_unref (state);
return ret;
}
static gboolean
gst_v4l2_video_enc_propose_allocation (GstVideoEncoder *
encoder, GstQuery * query)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
gboolean ret = FALSE;
GST_DEBUG_OBJECT (self, "called");
if (query == NULL)
ret = TRUE;
else
ret = gst_v4l2_object_propose_allocation (self->v4l2output, query);
if (ret)
ret = GST_VIDEO_ENCODER_CLASS (parent_class)->propose_allocation (encoder,
query);
return ret;
}
static gboolean
gst_v4l2_video_enc_src_query (GstVideoEncoder * encoder, GstQuery * query)
{
gboolean ret = TRUE;
switch (GST_QUERY_TYPE (query)) {
#ifndef USE_V4L2_TARGET_NV
case GST_QUERY_CAPS:{
GstCaps *filter, *result = NULL;
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
GstPad *pad = GST_VIDEO_ENCODER_SRC_PAD (encoder);
gst_query_parse_caps (query, &filter);
/* FIXME Try and not probe the entire encoder, but only the implement
* subclass format */
if (self->probed_srccaps) {
GstCaps *tmpl = gst_pad_get_pad_template_caps (pad);
result = gst_caps_intersect (tmpl, self->probed_srccaps);
gst_caps_unref (tmpl);
} else
result = gst_pad_get_pad_template_caps (pad);
if (filter) {
GstCaps *tmp = result;
result =
gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp);
}
GST_DEBUG_OBJECT (self, "Returning src caps %" GST_PTR_FORMAT, result);
gst_query_set_caps_result (query, result);
gst_caps_unref (result);
break;
}
#endif
/*
* Drop upstream "GST_QUERY_SEEKING" query from h264parse element.
* This is a WAR to avoid memory leaks from h264parse element
*/
case GST_QUERY_SEEKING:{
return ret;
}
default:
ret = GST_VIDEO_ENCODER_CLASS (parent_class)->src_query (encoder, query);
break;
}
return ret;
}
static gboolean
gst_v4l2_video_enc_sink_query (GstVideoEncoder * encoder, GstQuery * query)
{
gboolean ret = TRUE;
switch (GST_QUERY_TYPE (query)) {
#ifndef USE_V4L2_TARGET_NV
case GST_QUERY_CAPS:{
GstCaps *filter, *result = NULL;
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
GstPad *pad = GST_VIDEO_ENCODER_SINK_PAD (encoder);
gst_query_parse_caps (query, &filter);
if (self->probed_sinkcaps)
result = gst_caps_ref (self->probed_sinkcaps);
else
result = gst_pad_get_pad_template_caps (pad);
if (filter) {
GstCaps *tmp = result;
result =
gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp);
}
GST_DEBUG_OBJECT (self, "Returning sink caps %" GST_PTR_FORMAT, result);
gst_query_set_caps_result (query, result);
gst_caps_unref (result);
break;
}
#endif
default:
ret = GST_VIDEO_ENCODER_CLASS (parent_class)->sink_query (encoder, query);
break;
}
return ret;
}
static gboolean
gst_v4l2_video_enc_sink_event (GstVideoEncoder * encoder, GstEvent * event)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (encoder);
gboolean ret;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_START:
GST_DEBUG_OBJECT (self, "flush start");
gst_v4l2_object_unlock (self->v4l2output);
gst_v4l2_object_unlock (self->v4l2capture);
break;
default:
break;
}
ret = GST_VIDEO_ENCODER_CLASS (parent_class)->sink_event (encoder, event);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_START:
#ifdef USE_V4L2_TARGET_NV
set_v4l2_video_mpeg_class (self->v4l2capture,
V4L2_CID_MPEG_SET_POLL_INTERRUPT, 0);
#endif
gst_pad_stop_task (encoder->srcpad);
GST_DEBUG_OBJECT (self, "flush start done");
default:
break;
}
#ifdef USE_V4L2_TARGET_NV
if ((GstNvCustomEventType)GST_EVENT_TYPE (event) == GST_NVEVENT_ENC_BITRATE_UPDATE) {
gchar* stream_id = NULL;
gst_nvevent_parse_enc_bitrate_update (event, &stream_id, &self->bitrate);
if (GST_V4L2_IS_OPEN (self->v4l2output)) {
if (!set_v4l2_video_mpeg_class (self->v4l2output,
V4L2_CID_MPEG_VIDEO_BITRATE, self->bitrate)) {
g_print ("S_EXT_CTRLS for BITRATE failed\n");
}
}
}
if ((GstNvCustomEventType)GST_EVENT_TYPE (event) == GST_NVEVENT_ENC_FORCE_IDR) {
gchar* stream_id = NULL;
gst_nvevent_parse_enc_force_idr (event, &stream_id, &self->force_idr);
}
if ((GstNvCustomEventType)GST_EVENT_TYPE (event) == GST_NVEVENT_ENC_FORCE_INTRA) {
gchar* stream_id = NULL;
gst_nvevent_parse_enc_force_intra (event, &stream_id, &self->force_intra);
}
if ((GstNvCustomEventType)GST_EVENT_TYPE (event) == GST_NVEVENT_ENC_IFRAME_INTERVAL_UPDATE) {
gchar* stream_id = NULL;
gst_nvevent_parse_enc_iframeinterval_update (event, &stream_id, &self->iframeinterval);
if (!set_v4l2_video_mpeg_class (self->v4l2output,
V4L2_CID_MPEG_VIDEO_GOP_SIZE, self->iframeinterval)) {
g_print ("S_EXT_CTRLS for GOP_SIZE failed\n");
return FALSE;
}
}
#endif
return ret;
}
static GstStateChangeReturn
gst_v4l2_video_enc_change_state (GstElement * element,
GstStateChange transition)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (element);
if (transition == GST_STATE_CHANGE_PAUSED_TO_READY) {
g_atomic_int_set (&self->active, FALSE);
gst_v4l2_object_unlock (self->v4l2output);
gst_v4l2_object_unlock (self->v4l2capture);
#ifdef USE_V4L2_TARGET_NV
set_v4l2_video_mpeg_class (self->v4l2capture,
V4L2_CID_MPEG_SET_POLL_INTERRUPT, 0);
#endif
}
return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
}
static void
gst_v4l2_video_enc_dispose (GObject * object)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (object);
gst_caps_replace (&self->probed_sinkcaps, NULL);
gst_caps_replace (&self->probed_srccaps, NULL);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gst_v4l2_video_enc_finalize (GObject * object)
{
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (object);
gst_v4l2_object_destroy (self->v4l2capture);
gst_v4l2_object_destroy (self->v4l2output);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_v4l2_video_enc_init (GstV4l2VideoEnc * self)
{
/* V4L2 object are created in subinstance_init */
#ifdef USE_V4L2_TARGET_NV
self->ratecontrol = DEFAULT_RATE_CONTROL;
self->bitrate = GST_V4L2_VIDEO_ENC_BITRATE_DEFAULT;
self->peak_bitrate = GST_V4L2_VIDEO_ENC_PEAK_BITRATE_DEFAULT;
self->idrinterval = DEFAULT_IDR_FRAME_INTERVAL;
self->iframeinterval = DEFAULT_INTRA_FRAME_INTERVAL;
self->quant_i_frames = GST_V4L2_VIDEO_ENC_QUANT_I_FRAMES_DEFAULT;
self->quant_p_frames = GST_V4L2_VIDEO_ENC_QUANT_P_FRAMES_DEFAULT;
self->quant_b_frames = GST_V4L2_VIDEO_ENC_QUANT_B_FRAMES_DEFAULT;
self->MinQpI = (guint) - 1;
self->MaxQpI = (guint) - 1;
self->MinQpP = (guint) - 1;
self->MaxQpP = (guint) - 1;
self->MinQpB = (guint) - 1;
self->MaxQpB = (guint) - 1;
self->set_qpRange = FALSE;
self->force_idr = FALSE;
self->force_intra = FALSE;
self->hw_preset_level = DEFAULT_HW_PRESET_LEVEL;
self->virtual_buffer_size = DEFAULT_VBV_SIZE;
self->ratecontrol_enable = TRUE;
self->maxperf_enable = FALSE;
self->measure_latency = FALSE;
self->slice_output = FALSE;
self->best_prev = NULL;
self->buf_pts_prev = GST_CLOCK_STIME_NONE;
if (is_cuvid == TRUE)
{
self->cudaenc_gpu_id = DEFAULT_CUDAENC_GPU_ID;
self->cudaenc_preset_id = DEFAULT_CUDAENC_PRESET_ID;
self->cudaenc_tuning_info_id = DEFAULT_TUNING_INFO_PRESET;
}
const gchar * latency = g_getenv("NVDS_ENABLE_LATENCY_MEASUREMENT");
if(latency)
{
enable_latency_measurement = TRUE;
}
#endif
}
static void
gst_v4l2_video_enc_subinstance_init (GTypeInstance * instance, gpointer g_class)
{
GstV4l2VideoEncClass *klass = GST_V4L2_VIDEO_ENC_CLASS (g_class);
GstV4l2VideoEnc *self = GST_V4L2_VIDEO_ENC (instance);
self->v4l2output = gst_v4l2_object_new (GST_ELEMENT (self),
GST_OBJECT (GST_VIDEO_ENCODER_SINK_PAD (self)),
V4L2_BUF_TYPE_VIDEO_OUTPUT, klass->default_device,
gst_v4l2_get_output, gst_v4l2_set_output, NULL);
self->v4l2output->no_initial_format = TRUE;
self->v4l2output->keep_aspect = FALSE;
self->v4l2capture = gst_v4l2_object_new (GST_ELEMENT (self),
GST_OBJECT (GST_VIDEO_ENCODER_SRC_PAD (self)),
V4L2_BUF_TYPE_VIDEO_CAPTURE, klass->default_device,
gst_v4l2_get_input, gst_v4l2_set_input, NULL);
self->v4l2capture->no_initial_format = TRUE;
self->v4l2output->keep_aspect = FALSE;
}
static void
gst_v4l2_video_enc_class_init (GstV4l2VideoEncClass * klass)
{
GstElementClass *element_class;
GObjectClass *gobject_class;
GstVideoEncoderClass *video_encoder_class;
parent_class = g_type_class_peek_parent (klass);
element_class = (GstElementClass *) klass;
gobject_class = (GObjectClass *) klass;
video_encoder_class = (GstVideoEncoderClass *) klass;
GST_DEBUG_CATEGORY_INIT (gst_v4l2_video_enc_debug, "v4l2videoenc", 0,
"V4L2 Video Encoder");
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_dispose);
gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_finalize);
if (is_cuvid == FALSE) {
gobject_class->set_property =
GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_set_property_tegra);
gobject_class->get_property =
GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_get_property_tegra);
} else if (is_cuvid == TRUE) {
gobject_class->set_property =
GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_set_property_cuvid);
gobject_class->get_property =
GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_get_property_cuvid);
}
#ifdef USE_V4L2_TARGET_NV
g_object_class_install_property (gobject_class, PROP_RATE_CONTROL,
g_param_spec_enum ("control-rate", "ratecontrol",
"Set control rate for v4l2 encode",
GST_TYPE_V4L2_VID_ENC_RATECONTROL, DEFAULT_RATE_CONTROL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_BITRATE,
g_param_spec_uint ("bitrate", "Target Bitrate",
"Set bitrate for v4l2 encode",
0, G_MAXUINT, GST_V4L2_VIDEO_ENC_BITRATE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_INTRA_FRAME_INTERVAL,
g_param_spec_uint ("iframeinterval", "Intra Frame interval",
"Encoding Intra Frame occurance frequency",
0, G_MAXUINT, DEFAULT_INTRA_FRAME_INTERVAL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_QUANT_RANGE,
g_param_spec_string ("qp-range", "qpp-range",
"Qunatization range for P, I and B frame,\n"
"\t\t\t Use string with unsigned integer values of Qunatization Range \n"
"\t\t\t in MinQpP,MaxQpP:MinQpI,MaxQpI:MinQpB,MaxQpB order, to set the property.",
"-1,-1:-1,-1:-1,-1",
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_IDR_FRAME_INTERVAL,
g_param_spec_uint ("idrinterval", "IDR Frame interval",
"Encoding IDR Frame occurance frequency",
0, G_MAXUINT, DEFAULT_IDR_FRAME_INTERVAL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
if (is_cuvid == TRUE) {
g_object_class_install_property (gobject_class, PROP_CUDAENC_GPU_ID,
g_param_spec_uint ("gpu-id",
"GPU Device ID",
"Set to GPU Device ID for Encoder ",
0,
G_MAXUINT, DEFAULT_CUDAENC_GPU_ID,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_CUDAENC_PRESET_ID,
g_param_spec_uint ("preset-id",
"CUVID Encoder Preset ID",
"For each tuning info, seven presets from P1 (highest performance) to P7 (lowest performance) \n"
"\t\t\thave been provided to control performance/quality trade off. Using these presets will\n"
"\t\t\tautomatically set all relevant encoding parameters for the selected tuning info ",
1,
7, DEFAULT_CUDAENC_PRESET_ID,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_CUDAENC_CONSTQP,
g_param_spec_string ("constqp", "CUVID Encoder constqp values",
"Set unsigned integer values for constqp, control-rate should be set to GST_V4L2_VIDENC_CONSTANT_QP,\n"
"\t\t\tUse string with values of constQP in constQpI:constQpP:constQpB order, to set the property.",
"0:0:0",
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_CUDAENC_INITQP,
g_param_spec_string ("initqp", "CUVID Encoder initqp values",
"Set unsigned integer values for initqp,\n"
"\t\t\tUse string with values of initQP in IInitQP:PInitQP:BInitQP order, to set the property.\n"
"\t\t\tThis provides rough hint to encoder to influence the qp difference between I, P and B",
"0:0:0",
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_FORCE_IDR,
g_param_spec_boolean ("force-idr",
"Force an IDR frame",
"Force an IDR frame",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_CUDAENC_TUNING_INFO_ID,
g_param_spec_enum ("tuning-info-id", "TuningInfoforHWEncoder",
"Tuning Info Preset for encoder",
GST_TYPE_V4L2_VID_ENC_TUNING_INFO_PRESET,
DEFAULT_TUNING_INFO_PRESET,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_FORCE_INTRA,
g_param_spec_boolean ("force-intra",
"Force an INTRA frame",
"Force an INTRA frame",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_COPY_METADATA,
g_param_spec_boolean ("copy-meta",
"Copies input metadata on output buffer",
"Copies input metadata on output buffer",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
} else if (is_cuvid == FALSE) {
g_object_class_install_property (gobject_class, PROP_PEAK_BITRATE,
g_param_spec_uint ("peak-bitrate", "Peak Bitrate",
"Peak bitrate in variable control-rate\n"
"\t\t\t The value must be >= bitrate\n"
"\t\t\t (1.2*bitrate) is set by default(Default: 0)",
0, G_MAXUINT, GST_V4L2_VIDEO_ENC_PEAK_BITRATE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_PLAYING));
g_object_class_install_property (gobject_class, PROP_QUANT_I_FRAMES,
g_param_spec_uint ("quant-i-frames", "I-Frame Quantization",
"Quantization parameter for I-frames (0xffffffff=component default),\n"
"\t\t\t use with ratecontrol-enable = 0\n"
"\t\t\t and preset-level = 0",
0, G_MAXUINT, GST_V4L2_VIDEO_ENC_QUANT_I_FRAMES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_QUANT_P_FRAMES,
g_param_spec_uint ("quant-p-frames", "P-Frame Quantization",
"Quantization parameter for P-frames (0xffffffff=component default),\n"
"\t\t\t use with ratecontrol-enable = 0\n"
"\t\t\t and preset-level = 0",
0, G_MAXUINT, GST_V4L2_VIDEO_ENC_QUANT_P_FRAMES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_QUANT_B_FRAMES,
g_param_spec_uint ("quant-b-frames", "B-Frame Quantization",
"Quantization parameter for B-frames (0xffffffff=component default),\n"
"\t\t\t use with ratecontrol-enable = 0\n"
"\t\t\t and preset-level = 0",
0, G_MAXUINT, GST_V4L2_VIDEO_ENC_QUANT_B_FRAMES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_HW_PRESET_LEVEL,
g_param_spec_enum ("preset-level", "HWpresetlevelforencoder",
"HW preset level for encoder",
GST_TYPE_V4L2_VID_ENC_HW_PRESET_LEVEL,
DEFAULT_HW_PRESET_LEVEL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_VIRTUAL_BUFFER_SIZE,
g_param_spec_uint ("vbv-size", "vb size attribute",
"virtual buffer size ",
0, G_MAXUINT, DEFAULT_VBV_SIZE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_MEASURE_LATENCY,
g_param_spec_boolean ("MeasureEncoderLatency",
"Enable Measure Encoder Latency",
"Enable Measure Encoder latency Per Frame",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_RC_ENABLE,
g_param_spec_boolean ("ratecontrol-enable",
"Enable or Disable rate control mode",
"Enable or Disable rate control mode",
TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_MAX_PERF,
g_param_spec_boolean ("maxperf-enable",
"Enable or Disable Max Performance mode",
"Enable or Disable Max Performance mode",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
/* Signals */
gst_v4l2_signals[SIGNAL_FORCE_IDR] =
g_signal_new ("force-IDR",
G_TYPE_FROM_CLASS (video_encoder_class),
(GSignalFlags) (G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION),
G_STRUCT_OFFSET (GstV4l2VideoEncClass, force_IDR),
NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
klass->force_IDR = gst_v4l2_video_encoder_forceIDR;
}
#endif
video_encoder_class->open = GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_open);
video_encoder_class->close = GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_close);
video_encoder_class->start = GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_start);
video_encoder_class->stop = GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_stop);
video_encoder_class->finish = GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_finish);
video_encoder_class->flush = GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_flush);
video_encoder_class->set_format =
GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_set_format);
video_encoder_class->negotiate =
GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_negotiate);
video_encoder_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_decide_allocation);
video_encoder_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_propose_allocation);
video_encoder_class->sink_query =
GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_sink_query);
video_encoder_class->src_query =
GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_src_query);
video_encoder_class->sink_event =
GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_sink_event);
video_encoder_class->handle_frame =
GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_handle_frame);
element_class->change_state =
GST_DEBUG_FUNCPTR (gst_v4l2_video_enc_change_state);
#ifdef USE_V4L2_TARGET_NV
klass->set_video_encoder_properties = set_v4l2_video_encoder_properties;
#endif
gst_v4l2_object_install_m2m_properties_helper (gobject_class);
#ifdef USE_V4L2_TARGET_NV
if (is_cuvid == FALSE)
gst_v4l2_object_install_m2m_enc_iomode_properties_helper (gobject_class);
#endif
}
#ifndef USE_V4L2_TARGET_NV
static void
gst_v4l2_video_enc_subclass_init (gpointer g_class, gpointer data)
{
GstV4l2VideoEncClass *klass = GST_V4L2_VIDEO_ENC_CLASS (g_class);
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
GstV4l2VideoEncCData *cdata = data;
klass->default_device = cdata->device;
/* Note: gst_pad_template_new() take the floating ref from the caps */
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
cdata->sink_caps));
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
cdata->src_caps));
gst_caps_unref (cdata->sink_caps);
gst_caps_unref (cdata->src_caps);
g_free (cdata);
}
#else
static void
gst_v4l2_video_enc_subclass_init (gpointer g_class, gpointer data)
{
GstV4l2VideoEncClass *klass = GST_V4L2_VIDEO_ENC_CLASS (g_class);
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
GstV4l2VideoEncCData *cdata = data;
klass->default_device = cdata->device;
/* Note: gst_pad_template_new() take the floating ref from the caps */
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_v4l2enc_sink_template));
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
cdata->src_caps));
g_free (cdata);
}
#endif
/* Probing functions */
gboolean
gst_v4l2_is_video_enc (GstCaps * sink_caps, GstCaps * src_caps,
GstCaps * codec_caps)
{
gboolean ret = FALSE;
gboolean (*check_caps) (const GstCaps *, const GstCaps *);
if (codec_caps) {
check_caps = gst_caps_can_intersect;
} else {
codec_caps = gst_v4l2_object_get_codec_caps ();
check_caps = gst_caps_is_subset;
}
if (gst_caps_is_subset (sink_caps, gst_v4l2_object_get_raw_caps ())
&& check_caps (src_caps, codec_caps))
ret = TRUE;
return ret;
}
void
gst_v4l2_video_enc_register (GstPlugin * plugin, GType type,
const char *codec, const gchar * basename, const gchar * device_path,
GstCaps * sink_caps, GstCaps * codec_caps, GstCaps * src_caps)
{
GTypeQuery type_query;
GTypeInfo type_info = { 0, };
GType subtype;
gchar *type_name;
GstV4l2VideoEncCData *cdata;
#ifndef USE_V4L2_TARGET_NV
GstCaps *filtered_caps;
filtered_caps = gst_caps_intersect (src_caps, codec_caps);
#endif
cdata = g_new0 (GstV4l2VideoEncCData, 1);
cdata->device = g_strdup (device_path);
#ifndef USE_V4L2_TARGET_NV
cdata->sink_caps = gst_caps_ref (sink_caps);
cdata->src_caps = gst_caps_ref (filtered_caps);
#else
cdata->sink_caps = gst_caps_ref (gst_static_caps_get(&sink_template_caps));
cdata->src_caps = gst_caps_ref (codec_caps);
#endif
g_type_query (type, &type_query);
memset (&type_info, 0, sizeof (type_info));
type_info.class_size = type_query.class_size;
type_info.instance_size = type_query.instance_size;
type_info.class_init = gst_v4l2_video_enc_subclass_init;
type_info.class_data = cdata;
type_info.instance_init = gst_v4l2_video_enc_subinstance_init;
/* The first encoder to be registered should use a constant name, like
* v4l2h264enc, for any additional encoders, we create unique names. Encoder
* names may change between boots, so this should help gain stable names for
* the most common use cases. */
#ifndef USE_V4L2_TARGET_NV
type_name = g_strdup_printf ("v4l2%senc", codec);
if (g_type_from_name (type_name) != 0) {
g_free (type_name);
type_name = g_strdup_printf ("v4l2%s%senc", basename, codec);
}
#else
type_name = g_strdup_printf ("nvv4l2%senc", codec);
#endif
subtype = g_type_register_static (type, type_name, &type_info, 0);
if (!gst_element_register (plugin, type_name, GST_RANK_PRIMARY + 1, subtype))
GST_WARNING ("Failed to register plugin '%s'", type_name);
g_free (type_name);
}
#ifdef USE_V4L2_TARGET_NV
gint
gst_v4l2_trace_file_open (FILE ** TracingFile)
{
gchar buf[4096] = { };
const gchar *homedir = g_getenv ("HOME");
if (!homedir)
homedir = g_get_home_dir ();
if (homedir == NULL)
return -1;
snprintf (buf, sizeof (buf) - 1, "%s/gst_v4l2_enc_latency_%d.log",
homedir, (gint) getpid ());
*TracingFile = fopen (buf, "w");
if (*TracingFile == NULL) {
return -1;
}
return 0;
}
void
gst_v4l2_trace_file_close (FILE * TracingFile)
{
if (TracingFile == NULL)
return;
fclose (TracingFile);
TracingFile = NULL;
}
void
gst_v4l2_trace_printf (FILE * TracingFile, const gchar *fmt, ...)
{
va_list ap;
if (TracingFile != NULL) {
va_start (ap, fmt);
vfprintf (TracingFile, fmt, ap);
fprintf (TracingFile, "\n");
fflush (TracingFile);
va_end (ap);
}
}
static GType
gst_v4l2_videnc_tuning_info_get_type (void)
{
static GType qtype = 0;
if (qtype == 0) {
static const GEnumValue values[] = {
/*{V4L2_ENC_TUNING_INFO_UNDEFINED,
"No Tuning Info", "UndefinedTuningInfo"},*/
{V4L2_ENC_TUNING_INFO_HIGH_QUALITY,
"Tuning Preset for High Quality", "HighQualityPreset"},
{V4L2_ENC_TUNING_INFO_LOW_LATENCY,
"Tuning Preset for Low Latency", "LowLatencyPreset"},
{V4L2_ENC_TUNING_INFO_ULTRA_LOW_LATENCY,
"Tuning Preset for Low Latency", "UltraLowLatencyPreset"},
{V4L2_ENC_TUNING_INFO_LOSSLESS,
"Tuning Preset for Lossless", "LosslessPreset"},
{0, NULL, NULL}
};
qtype = g_enum_register_static ("GstV4L2VideoEncTuingInfoPreset", values);
}
return qtype;
}
static GType
gst_v4l2_videnc_hw_preset_level_get_type (void)
{
static GType qtype = 0;
if (qtype == 0) {
static const GEnumValue values[] = {
{V4L2_ENC_HW_PRESET_DISABLE, "Disable HW-Preset",
"DisablePreset"},
{V4L2_ENC_HW_PRESET_ULTRAFAST, "UltraFastPreset for high perf",
"UltraFastPreset"},
{V4L2_ENC_HW_PRESET_FAST, "FastPreset", "FastPreset"},
{V4L2_ENC_HW_PRESET_MEDIUM, "MediumPreset", "MediumPreset"},
{V4L2_ENC_HW_PRESET_SLOW, "SlowPreset", "SlowPreset"},
{0, NULL, NULL}
};
qtype = g_enum_register_static ("GstV4L2VideoEncHwPreset", values);
}
return qtype;
}
static GType
gst_v4l2_videnc_ratecontrol_get_type (void)
{
static volatile gsize ratecontrol = 0;
if (is_cuvid == false) {
static const GEnumValue rc_type[] = {
{V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, "GST_V4L2_VIDENC_VARIABLE_BITRATE",
"variable_bitrate"},
{V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, "GST_V4L2_VIDENC_CONSTANT_BITRATE",
"constant_bitrate"},
{0, NULL, NULL}
};
if (g_once_init_enter (&ratecontrol)) {
GType tmp =
g_enum_register_static ("GstV4l2VideoEncRateControlType", rc_type);
g_once_init_leave (&ratecontrol, tmp);
}
} else {
static const GEnumValue rc_type_cuvid[] = {
{V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, "GST_V4L2_VIDENC_VARIABLE_BITRATE",
"variable_bitrate"},
{V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, "GST_V4L2_VIDENC_CONSTANT_BITRATE",
"constant_bitrate"},
{V4L2_MPEG_VIDEO_BITRATE_MODE_CONSTQP, "GST_V4L2_VIDENC_CONSTANT_QP",
"constantQP"},
{0, NULL, NULL}
};
if (g_once_init_enter (&ratecontrol)) {
GType tmp =
g_enum_register_static ("GstV4l2VideoEncRateControlType", rc_type_cuvid);
g_once_init_leave (&ratecontrol, tmp);
}
}
return (GType) ratecontrol;
}
static gboolean
gst_v4l2_video_enc_parse_constqp (GstV4l2VideoEnc * self,
const gchar * arr)
{
gchar *str;
self->constQpI = atoi (arr);
str = g_strstr_len (arr, -1, ":") + 1;
self->constQpP = atoi (str);
str = g_strstr_len (str, -1, ":") + 1;
self->constQpB = atoi (str);
return TRUE;
}
static gboolean
gst_v4l2_video_enc_parse_initqp (GstV4l2VideoEnc * self,
const gchar * arr)
{
gchar *str;
self->IInitQP = atoi (arr);
str = g_strstr_len (arr, -1, ":") + 1;
self->PInitQP = atoi (str);
str = g_strstr_len (str, -1, ":") + 1;
self->BInitQP = atoi (str);
return TRUE;
}
static gboolean
gst_v4l2_video_enc_parse_quantization_range (GstV4l2VideoEnc * self,
const gchar * arr)
{
gchar *str;
self->MinQpP = atoi (arr);
str = g_strstr_len (arr, -1, ",");
self->MaxQpP = atoi (str + 1);
str = g_strstr_len (str, -1, ":");
self->MinQpI = atoi (str + 1);
str = g_strstr_len (str, -1, ",");
self->MaxQpI = atoi (str + 1);
str = g_strstr_len (str, -1, ":");
self->MinQpB = atoi (str + 1);
str = g_strstr_len (str, -1, ",");
self->MaxQpB = atoi (str + 1);
return TRUE;
}
gboolean
setHWPresetType (GstV4l2Object * v4l2object, guint label,
enum v4l2_enc_hw_preset_type type)
{
struct v4l2_ext_control control;
struct v4l2_ext_controls ctrls;
gint ret;
memset (&control, 0, sizeof (control));
memset (&ctrls, 0, sizeof (ctrls));
ctrls.count = 1;
ctrls.controls = &control;
ctrls.ctrl_class = V4L2_CTRL_CLASS_MPEG;
control.id = label;
control.value = type;
ret = v4l2object->ioctl (v4l2object->video_fd, VIDIOC_S_EXT_CTRLS, &ctrls);
if (ret < 0) {
g_print ("Error while setting control rate\n");
return FALSE;
}
return TRUE;
}
gboolean
setQpRange (GstV4l2Object * v4l2object, guint label, guint MinQpI, guint MaxQpI,
guint MinQpP, guint MaxQpP, guint MinQpB, guint MaxQpB)
{
v4l2_ctrl_video_qp_range qprange;
struct v4l2_ext_control control;
struct v4l2_ext_controls ctrls;
gint ret;
memset (&control, 0, sizeof (control));
memset (&ctrls, 0, sizeof (ctrls));
qprange.MinQpI = MinQpI;
qprange.MaxQpI = MaxQpI;
qprange.MinQpP = MinQpP;
qprange.MaxQpP = MaxQpP;
qprange.MinQpB = MinQpB;
qprange.MaxQpB = MaxQpB;
ctrls.count = 1;
ctrls.controls = &control;
ctrls.ctrl_class = V4L2_CTRL_CLASS_MPEG;
control.id = V4L2_CID_MPEG_VIDEOENC_QP_RANGE;
control.string = (gchar *) &qprange;
ret = v4l2object->ioctl (v4l2object->video_fd, VIDIOC_S_EXT_CTRLS, &ctrls);
if (ret < 0) {
g_print ("Error while setting qp range\n");
return FALSE;
}
return TRUE;
}
static void
gst_v4l2_video_encoder_forceIDR (GstV4l2VideoEnc * self)
{
GstV4l2Object *v4l2object = self->v4l2output;
struct v4l2_ext_control control;
struct v4l2_ext_controls ctrls;
gint ret;
memset (&control, 0, sizeof (control));
memset (&ctrls, 0, sizeof (ctrls));
ctrls.count = 1;
ctrls.controls = &control;
ctrls.ctrl_class = V4L2_CTRL_CLASS_MPEG;
control.id = V4L2_CID_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE;
if (!GST_V4L2_IS_OPEN (v4l2object))
g_print ("V4L2 device is not open\n");
ret = v4l2object->ioctl (v4l2object->video_fd, VIDIOC_S_EXT_CTRLS, &ctrls);
if (ret < 0)
g_print ("Error while signalling force IDR\n");
}
gboolean
set_v4l2_video_encoder_properties (GstVideoEncoder * encoder)
{
GstV4l2VideoEnc *video_enc = GST_V4L2_VIDEO_ENC (encoder);
if (!GST_V4L2_IS_OPEN (video_enc->v4l2output)) {
g_print ("V4L2 device is not open\n");
return FALSE;
}
if (video_enc->ratecontrol == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR
&& video_enc->peak_bitrate == GST_V4L2_VIDEO_ENC_PEAK_BITRATE_DEFAULT)
video_enc->peak_bitrate = 1.2f * video_enc->bitrate;
else if (video_enc->ratecontrol == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR
&& video_enc->peak_bitrate <= video_enc->bitrate)
video_enc->peak_bitrate = video_enc->bitrate;
else if (video_enc->ratecontrol == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
video_enc->peak_bitrate = video_enc->bitrate;
if (!set_v4l2_video_mpeg_class (video_enc->v4l2output,
V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE, video_enc->ratecontrol_enable)) {
g_print ("S_EXT_CTRLS for FRAME_RC_ENABLE failed\n");
return FALSE;
}
if (video_enc->ratecontrol_enable) {
if (!set_v4l2_video_mpeg_class (video_enc->v4l2output,
V4L2_CID_MPEG_VIDEO_BITRATE_MODE, video_enc->ratecontrol)) {
g_print ("S_EXT_CTRLS for BITRATE_MODE failed\n");
return FALSE;
}
}
if (!set_v4l2_video_mpeg_class (video_enc->v4l2output,
V4L2_CID_MPEG_VIDEO_BITRATE, video_enc->bitrate)) {
g_print ("S_EXT_CTRLS for BITRATE failed\n");
return FALSE;
}
if (!set_v4l2_video_mpeg_class (video_enc->v4l2output,
V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, video_enc->peak_bitrate)) {
g_print ("S_EXT_CTRLS for PEAK_BITRATE failed\n");
return FALSE;
}
if (video_enc->idrinterval) {
if (!set_v4l2_video_mpeg_class (video_enc->v4l2output,
V4L2_CID_MPEG_VIDEO_IDR_INTERVAL, video_enc->idrinterval)) {
g_print ("S_EXT_CTRLS for IDR_INTERVAL failed\n");
return FALSE;
}
}
if (video_enc->iframeinterval) {
if (!set_v4l2_video_mpeg_class (video_enc->v4l2output,
V4L2_CID_MPEG_VIDEO_GOP_SIZE, video_enc->iframeinterval)) {
g_print ("S_EXT_CTRLS for GOP_SIZE failed\n");
return FALSE;
}
}
if (video_enc->hw_preset_level) {
if (!setHWPresetType (video_enc->v4l2output,
V4L2_CID_MPEG_VIDEOENC_HW_PRESET_TYPE_PARAM,
video_enc->hw_preset_level)) {
g_print ("S_EXT_CTRLS for HW_PRESET_TYPE_PARAM failed\n");
return FALSE;
}
}
if (video_enc->set_qpRange) {
if (!setQpRange (video_enc->v4l2output, V4L2_CID_MPEG_VIDEOENC_QP_RANGE,
video_enc->MinQpI, video_enc->MaxQpI, video_enc->MinQpP,
video_enc->MaxQpP, video_enc->MinQpB, video_enc->MaxQpB)) {
g_print ("S_EXT_CTRLS for QP_RANGE failed\n");
return FALSE;
}
}
if (video_enc->quant_i_frames != 0xffffffff && !video_enc->ratecontrol_enable) {
if (!set_v4l2_video_mpeg_class (video_enc->v4l2output,
V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, video_enc->quant_i_frames)) {
g_print ("S_EXT_CTRLS for H264_I_FRAME_QP failed\n");
return FALSE;
}
}
if (video_enc->quant_p_frames != 0xffffffff && !video_enc->ratecontrol_enable) {
if (!set_v4l2_video_mpeg_class (video_enc->v4l2output,
V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, video_enc->quant_p_frames)) {
g_print ("S_EXT_CTRLS for H264_P_FRAME_QP failed\n");
return FALSE;
}
}
if (video_enc->quant_b_frames != 0xffffffff && !video_enc->ratecontrol_enable) {
if (!set_v4l2_video_mpeg_class (video_enc->v4l2output,
V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP, video_enc->quant_b_frames)) {
g_print ("S_EXT_CTRLS for H264_B_FRAME_QP failed\n");
return FALSE;
}
}
if (video_enc->maxperf_enable) {
if (!set_v4l2_video_mpeg_class (video_enc->v4l2output,
V4L2_CID_MPEG_VIDEO_MAX_PERFORMANCE, video_enc->maxperf_enable)) {
g_print ("S_EXT_CTRLS for MAX_PERFORMANCE failed\n");
return FALSE;
}
}
if (!set_v4l2_video_mpeg_class (video_enc->v4l2output,
V4L2_CID_MPEG_VIDEOENC_VIRTUALBUFFER_SIZE,
video_enc->virtual_buffer_size)) {
g_print ("S_EXT_CTRLS for VIRTUALBUFFER_SIZE failed\n");
return FALSE;
}
return TRUE;
}
#endif
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