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gstreamer/subprojects/gst-omx/omx/gstomxh264enc.c
Akkariin Meiko 27c4ec74a1 Update
2022-03-12 03:16:09 +08:00

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/*
* Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation
* version 2.1 of the License.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include "gstomxh264enc.h"
#include "gstomxh264utils.h"
#ifdef USE_OMX_TARGET_RPI
#include <OMX_Broadcom.h>
#include <OMX_Index.h>
#endif
GST_DEBUG_CATEGORY_STATIC (gst_omx_h264_enc_debug_category);
#define GST_CAT_DEFAULT gst_omx_h264_enc_debug_category
/* prototypes */
static gboolean gst_omx_h264_enc_set_format (GstOMXVideoEnc * enc,
GstOMXPort * port, GstVideoCodecState * state);
static GstCaps *gst_omx_h264_enc_get_caps (GstOMXVideoEnc * enc,
GstOMXPort * port, GstVideoCodecState * state);
static GstFlowReturn gst_omx_h264_enc_handle_output_frame (GstOMXVideoEnc *
self, GstOMXPort * port, GstOMXBuffer * buf, GstVideoCodecFrame * frame);
static gboolean gst_omx_h264_enc_flush (GstVideoEncoder * enc);
static gboolean gst_omx_h264_enc_stop (GstVideoEncoder * enc);
static void gst_omx_h264_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_omx_h264_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
enum
{
PROP_0,
#ifdef USE_OMX_TARGET_RPI
PROP_INLINESPSPPSHEADERS,
#endif
PROP_PERIODICITYOFIDRFRAMES,
PROP_PERIODICITYOFIDRFRAMES_COMPAT,
PROP_INTERVALOFCODINGINTRAFRAMES,
PROP_B_FRAMES,
PROP_ENTROPY_MODE,
PROP_CONSTRAINED_INTRA_PREDICTION,
PROP_LOOP_FILTER_MODE,
PROP_REF_FRAMES
};
#ifdef USE_OMX_TARGET_RPI
#define GST_OMX_H264_VIDEO_ENC_INLINE_SPS_PPS_HEADERS_DEFAULT TRUE
#endif
#define GST_OMX_H264_VIDEO_ENC_PERIODICITY_OF_IDR_FRAMES_DEFAULT (0xffffffff)
#define GST_OMX_H264_VIDEO_ENC_INTERVAL_OF_CODING_INTRA_FRAMES_DEFAULT (0xffffffff)
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
#define GST_OMX_H264_VIDEO_ENC_B_FRAMES_DEFAULT (0)
#define ALIGNMENT "{ au, nal }"
#else
#define GST_OMX_H264_VIDEO_ENC_B_FRAMES_DEFAULT (0xffffffff)
#define ALIGNMENT "au"
#endif
#define GST_OMX_H264_VIDEO_ENC_ENTROPY_MODE_DEFAULT (0xffffffff)
#define GST_OMX_H264_VIDEO_ENC_CONSTRAINED_INTRA_PREDICTION_DEFAULT (FALSE)
#define GST_OMX_H264_VIDEO_ENC_LOOP_FILTER_MODE_DEFAULT (0xffffffff)
#define GST_OMX_H264_VIDEO_ENC_REF_FRAMES_DEFAULT 0
#define GST_OMX_H264_VIDEO_ENC_REF_FRAMES_MIN 0
#define GST_OMX_H264_VIDEO_ENC_REF_FRAMES_MAX 16
/* class initialization */
#define DEBUG_INIT \
GST_DEBUG_CATEGORY_INIT (gst_omx_h264_enc_debug_category, "omxh264enc", 0, \
"debug category for gst-omx video encoder base class");
#define parent_class gst_omx_h264_enc_parent_class
G_DEFINE_TYPE_WITH_CODE (GstOMXH264Enc, gst_omx_h264_enc,
GST_TYPE_OMX_VIDEO_ENC, DEBUG_INIT);
#define GST_TYPE_OMX_H264_ENC_ENTROPY_MODE (gst_omx_h264_enc_entropy_mode_get_type ())
static GType
gst_omx_h264_enc_entropy_mode_get_type (void)
{
static GType qtype = 0;
if (qtype == 0) {
static const GEnumValue values[] = {
{FALSE, "CAVLC entropy mode", "CAVLC"},
{TRUE, "CABAC entropy mode", "CABAC"},
{0xffffffff, "Component Default", "default"},
{0, NULL, NULL}
};
qtype = g_enum_register_static ("GstOMXH264EncEntropyMode", values);
}
return qtype;
}
#define GST_TYPE_OMX_H264_ENC_LOOP_FILTER_MODE (gst_omx_h264_enc_loop_filter_mode_get_type ())
static GType
gst_omx_h264_enc_loop_filter_mode_get_type (void)
{
static GType qtype = 0;
if (qtype == 0) {
static const GEnumValue values[] = {
{OMX_VIDEO_AVCLoopFilterEnable, "Enable deblocking filter", "enable"},
{OMX_VIDEO_AVCLoopFilterDisable, "Disable deblocking filter", "disable"},
{OMX_VIDEO_AVCLoopFilterDisableSliceBoundary,
"Disables deblocking filter on slice boundary",
"disable-slice-boundary"},
{0xffffffff, "Component Default", "default"},
{0, NULL, NULL}
};
qtype = g_enum_register_static ("GstOMXH264EncLoopFilter", values);
}
return qtype;
}
static void
gst_omx_h264_enc_class_init (GstOMXH264EncClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstVideoEncoderClass *basevideoenc_class = GST_VIDEO_ENCODER_CLASS (klass);
GstOMXVideoEncClass *videoenc_class = GST_OMX_VIDEO_ENC_CLASS (klass);
videoenc_class->set_format = GST_DEBUG_FUNCPTR (gst_omx_h264_enc_set_format);
videoenc_class->get_caps = GST_DEBUG_FUNCPTR (gst_omx_h264_enc_get_caps);
gobject_class->set_property = gst_omx_h264_enc_set_property;
gobject_class->get_property = gst_omx_h264_enc_get_property;
#ifdef USE_OMX_TARGET_RPI
g_object_class_install_property (gobject_class, PROP_INLINESPSPPSHEADERS,
g_param_spec_boolean ("inline-header",
"Inline SPS/PPS headers before IDR",
"Inline SPS/PPS header before IDR",
GST_OMX_H264_VIDEO_ENC_INLINE_SPS_PPS_HEADERS_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
#endif
g_object_class_install_property (gobject_class, PROP_PERIODICITYOFIDRFRAMES,
g_param_spec_uint ("periodicity-idr", "IDR periodicity",
"Periodicity of IDR frames (0xffffffff=component default)",
0, G_MAXUINT,
GST_OMX_H264_VIDEO_ENC_PERIODICITY_OF_IDR_FRAMES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class,
PROP_PERIODICITYOFIDRFRAMES_COMPAT, g_param_spec_uint ("periodicty-idr",
"IDR periodicity",
"Periodicity of IDR frames (0xffffffff=component default) DEPRECATED - only for backwards compat",
0, G_MAXUINT,
GST_OMX_H264_VIDEO_ENC_PERIODICITY_OF_IDR_FRAMES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class,
PROP_INTERVALOFCODINGINTRAFRAMES,
g_param_spec_uint ("interval-intraframes",
"Interval of coding Intra frames",
"Interval of coding Intra frames (0xffffffff=component default)", 0,
G_MAXUINT,
GST_OMX_H264_VIDEO_ENC_INTERVAL_OF_CODING_INTRA_FRAMES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_B_FRAMES,
g_param_spec_uint ("b-frames", "Number of B-frames",
"Number of B-frames between two consecutive I-frames (0xffffffff=component default)",
0, G_MAXUINT, GST_OMX_H264_VIDEO_ENC_B_FRAMES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_ENTROPY_MODE,
g_param_spec_enum ("entropy-mode", "Entropy Mode",
"Entropy mode for encoding process",
GST_TYPE_OMX_H264_ENC_ENTROPY_MODE,
GST_OMX_H264_VIDEO_ENC_ENTROPY_MODE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class,
PROP_CONSTRAINED_INTRA_PREDICTION,
g_param_spec_boolean ("constrained-intra-prediction",
"Constrained Intra Prediction",
"If enabled, prediction only uses residual data and decoded samples "
"from neighbouring coding blocks coded using intra prediction modes",
GST_OMX_H264_VIDEO_ENC_CONSTRAINED_INTRA_PREDICTION_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_LOOP_FILTER_MODE,
g_param_spec_enum ("loop-filter-mode", "Loop Filter mode",
"Enable or disable the deblocking filter (0xffffffff=component default)",
GST_TYPE_OMX_H264_ENC_LOOP_FILTER_MODE,
GST_OMX_H264_VIDEO_ENC_LOOP_FILTER_MODE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_REF_FRAMES,
g_param_spec_uchar ("ref-frames", "Reference frames",
"Number of reference frames used for inter-motion search (0=component default)",
GST_OMX_H264_VIDEO_ENC_REF_FRAMES_MIN,
GST_OMX_H264_VIDEO_ENC_REF_FRAMES_MAX,
GST_OMX_H264_VIDEO_ENC_REF_FRAMES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
basevideoenc_class->flush = gst_omx_h264_enc_flush;
basevideoenc_class->stop = gst_omx_h264_enc_stop;
videoenc_class->cdata.default_src_template_caps = "video/x-h264, "
"width = (int) [ 16, 4096 ], height = (int) [ 16, 4096 ], "
"framerate = (fraction) [0, MAX], stream-format=(string) byte-stream, "
"alignment = (string) " ALIGNMENT;
videoenc_class->handle_output_frame =
GST_DEBUG_FUNCPTR (gst_omx_h264_enc_handle_output_frame);
gst_element_class_set_static_metadata (element_class,
"OpenMAX H.264 Video Encoder",
"Codec/Encoder/Video/Hardware",
"Encode H.264 video streams",
"Sebastian Dröge <sebastian.droege@collabora.co.uk>");
gst_omx_set_default_role (&videoenc_class->cdata, "video_encoder.avc");
}
static void
gst_omx_h264_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstOMXH264Enc *self = GST_OMX_H264_ENC (object);
switch (prop_id) {
#ifdef USE_OMX_TARGET_RPI
case PROP_INLINESPSPPSHEADERS:
self->inline_sps_pps_headers = g_value_get_boolean (value);
break;
#endif
case PROP_PERIODICITYOFIDRFRAMES:
case PROP_PERIODICITYOFIDRFRAMES_COMPAT:
self->periodicty_idr = g_value_get_uint (value);
break;
case PROP_INTERVALOFCODINGINTRAFRAMES:
self->interval_intraframes = g_value_get_uint (value);
break;
case PROP_B_FRAMES:
self->b_frames = g_value_get_uint (value);
break;
case PROP_ENTROPY_MODE:
self->entropy_mode = g_value_get_enum (value);
break;
case PROP_CONSTRAINED_INTRA_PREDICTION:
self->constrained_intra_prediction = g_value_get_boolean (value);
break;
case PROP_LOOP_FILTER_MODE:
self->loop_filter_mode = g_value_get_enum (value);
break;
case PROP_REF_FRAMES:
self->ref_frames = g_value_get_uchar (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_omx_h264_enc_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstOMXH264Enc *self = GST_OMX_H264_ENC (object);
switch (prop_id) {
#ifdef USE_OMX_TARGET_RPI
case PROP_INLINESPSPPSHEADERS:
g_value_set_boolean (value, self->inline_sps_pps_headers);
break;
#endif
case PROP_PERIODICITYOFIDRFRAMES:
case PROP_PERIODICITYOFIDRFRAMES_COMPAT:
g_value_set_uint (value, self->periodicty_idr);
break;
case PROP_INTERVALOFCODINGINTRAFRAMES:
g_value_set_uint (value, self->interval_intraframes);
break;
case PROP_B_FRAMES:
g_value_set_uint (value, self->b_frames);
break;
case PROP_ENTROPY_MODE:
g_value_set_enum (value, self->entropy_mode);
break;
case PROP_CONSTRAINED_INTRA_PREDICTION:
g_value_set_boolean (value, self->constrained_intra_prediction);
break;
case PROP_LOOP_FILTER_MODE:
g_value_set_enum (value, self->loop_filter_mode);
break;
case PROP_REF_FRAMES:
g_value_set_uchar (value, self->ref_frames);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_omx_h264_enc_init (GstOMXH264Enc * self)
{
#ifdef USE_OMX_TARGET_RPI
self->inline_sps_pps_headers =
GST_OMX_H264_VIDEO_ENC_INLINE_SPS_PPS_HEADERS_DEFAULT;
#endif
self->periodicty_idr =
GST_OMX_H264_VIDEO_ENC_PERIODICITY_OF_IDR_FRAMES_DEFAULT;
self->interval_intraframes =
GST_OMX_H264_VIDEO_ENC_INTERVAL_OF_CODING_INTRA_FRAMES_DEFAULT;
self->b_frames = GST_OMX_H264_VIDEO_ENC_B_FRAMES_DEFAULT;
self->entropy_mode = GST_OMX_H264_VIDEO_ENC_ENTROPY_MODE_DEFAULT;
self->constrained_intra_prediction =
GST_OMX_H264_VIDEO_ENC_CONSTRAINED_INTRA_PREDICTION_DEFAULT;
self->loop_filter_mode = GST_OMX_H264_VIDEO_ENC_LOOP_FILTER_MODE_DEFAULT;
self->ref_frames = GST_OMX_H264_VIDEO_ENC_REF_FRAMES_DEFAULT;
}
static gboolean
gst_omx_h264_enc_flush (GstVideoEncoder * enc)
{
GstOMXH264Enc *self = GST_OMX_H264_ENC (enc);
g_list_free_full (self->headers, (GDestroyNotify) gst_buffer_unref);
self->headers = NULL;
return GST_VIDEO_ENCODER_CLASS (parent_class)->flush (enc);
}
static gboolean
gst_omx_h264_enc_stop (GstVideoEncoder * enc)
{
GstOMXH264Enc *self = GST_OMX_H264_ENC (enc);
g_list_free_full (self->headers, (GDestroyNotify) gst_buffer_unref);
self->headers = NULL;
return GST_VIDEO_ENCODER_CLASS (parent_class)->stop (enc);
}
/* Update OMX_VIDEO_PARAM_PROFILELEVELTYPE.{eProfile,eLevel}
*
* Returns TRUE if succeeded or if not supported, FALSE if failed */
static gboolean
update_param_profile_level (GstOMXH264Enc * self,
OMX_VIDEO_AVCPROFILETYPE profile, OMX_VIDEO_AVCLEVELTYPE level)
{
OMX_VIDEO_PARAM_PROFILELEVELTYPE param;
OMX_ERRORTYPE err;
GST_OMX_INIT_STRUCT (&param);
param.nPortIndex = GST_OMX_VIDEO_ENC (self)->enc_out_port->index;
err =
gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexParamVideoProfileLevelCurrent, &param);
if (err != OMX_ErrorNone) {
GST_WARNING_OBJECT (self,
"Getting OMX_IndexParamVideoProfileLevelCurrent not supported by component");
return TRUE;
}
if (profile != OMX_VIDEO_AVCProfileMax)
param.eProfile = profile;
if (level != OMX_VIDEO_AVCLevelMax)
param.eLevel = level;
err =
gst_omx_component_set_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexParamVideoProfileLevelCurrent, &param);
if (err == OMX_ErrorUnsupportedIndex) {
GST_WARNING_OBJECT (self,
"Setting OMX_IndexParamVideoProfileLevelCurrent not supported by component");
return TRUE;
} else if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"Error setting profile %u and level %u: %s (0x%08x)",
(guint) param.eProfile, (guint) param.eLevel,
gst_omx_error_to_string (err), err);
return FALSE;
}
return TRUE;
}
/* Update OMX_VIDEO_PARAM_AVCTYPE
*
* Returns TRUE if succeeded or if not supported, FALSE if failed */
static gboolean
update_param_avc (GstOMXH264Enc * self,
OMX_VIDEO_AVCPROFILETYPE profile, OMX_VIDEO_AVCLEVELTYPE level)
{
OMX_VIDEO_PARAM_AVCTYPE param;
OMX_ERRORTYPE err;
GST_OMX_INIT_STRUCT (&param);
param.nPortIndex = GST_OMX_VIDEO_ENC (self)->enc_out_port->index;
/* On Android the param struct is initialized manually with default
* settings rather than using GetParameter() to retrieve them.
* We should probably do the same when we'll add Android as target.
* See bgo#783862 for details. */
err =
gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexParamVideoAvc, &param);
if (err != OMX_ErrorNone) {
GST_WARNING_OBJECT (self,
"Getting OMX_IndexParamVideoAvc not supported by component");
return TRUE;
}
if (profile != OMX_VIDEO_AVCProfileMax)
param.eProfile = profile;
if (level != OMX_VIDEO_AVCLevelMax)
param.eLevel = level;
/* GOP pattern */
if (self->interval_intraframes !=
GST_OMX_H264_VIDEO_ENC_INTERVAL_OF_CODING_INTRA_FRAMES_DEFAULT) {
param.nPFrames = self->interval_intraframes;
/* If user specified a specific number of B-frames, reduce the number of
* P-frames by this amount. If not ensure there is no B-frame to have the
* requested GOP length. */
if (self->b_frames != GST_OMX_H264_VIDEO_ENC_B_FRAMES_DEFAULT) {
if (self->b_frames > self->interval_intraframes) {
GST_ERROR_OBJECT (self,
"The interval_intraframes perdiod (%u) needs to be higher than the number of B-frames (%u)",
self->interval_intraframes, self->b_frames);
return FALSE;
}
param.nPFrames -= self->b_frames;
} else {
param.nBFrames = 0;
}
}
if (self->b_frames != GST_OMX_H264_VIDEO_ENC_B_FRAMES_DEFAULT) {
if (profile == OMX_VIDEO_AVCProfileBaseline && self->b_frames > 0) {
GST_ERROR_OBJECT (self,
"Baseline profile doesn't support B-frames (%u requested)",
self->b_frames);
return FALSE;
}
param.nBFrames = self->b_frames;
}
if (self->ref_frames != GST_OMX_H264_VIDEO_ENC_REF_FRAMES_DEFAULT)
param.nRefFrames = self->ref_frames;
if (self->entropy_mode != GST_OMX_H264_VIDEO_ENC_ENTROPY_MODE_DEFAULT) {
param.bEntropyCodingCABAC = self->entropy_mode;
}
param.bconstIpred = self->constrained_intra_prediction;
if (self->loop_filter_mode != GST_OMX_H264_VIDEO_ENC_LOOP_FILTER_MODE_DEFAULT) {
param.eLoopFilterMode = self->loop_filter_mode;
}
err =
gst_omx_component_set_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexParamVideoAvc, &param);
if (err == OMX_ErrorUnsupportedIndex) {
GST_WARNING_OBJECT (self,
"Setting OMX_IndexParamVideoAvc not supported by component");
return TRUE;
} else if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"Error setting AVC settings (profile %u and level %u): %s (0x%08x)",
(guint) param.eProfile, (guint) param.eLevel,
gst_omx_error_to_string (err), err);
return FALSE;
}
return TRUE;
}
static gboolean
set_avc_intra_period (GstOMXH264Enc * self)
{
OMX_VIDEO_CONFIG_AVCINTRAPERIOD config_avcintraperiod;
OMX_ERRORTYPE err;
GST_OMX_INIT_STRUCT (&config_avcintraperiod);
config_avcintraperiod.nPortIndex =
GST_OMX_VIDEO_ENC (self)->enc_out_port->index;
err =
gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexConfigVideoAVCIntraPeriod, &config_avcintraperiod);
if (err == OMX_ErrorUnsupportedIndex) {
GST_WARNING_OBJECT (self,
"OMX_IndexConfigVideoAVCIntraPeriod not supported by component");
return TRUE;
} else if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"can't get OMX_IndexConfigVideoAVCIntraPeriod %s (0x%08x)",
gst_omx_error_to_string (err), err);
return FALSE;
}
GST_DEBUG_OBJECT (self, "default nPFrames:%u, nIDRPeriod:%u",
(guint) config_avcintraperiod.nPFrames,
(guint) config_avcintraperiod.nIDRPeriod);
if (self->periodicty_idr !=
GST_OMX_H264_VIDEO_ENC_PERIODICITY_OF_IDR_FRAMES_DEFAULT) {
config_avcintraperiod.nIDRPeriod = self->periodicty_idr;
}
if (self->interval_intraframes !=
GST_OMX_H264_VIDEO_ENC_INTERVAL_OF_CODING_INTRA_FRAMES_DEFAULT) {
/* This OMX API doesn't allow us to specify the number of B-frames.
* So if user requested one we have to rely on update_param_avc()
* to configure the intraframes interval so it can take the
* B-frames into account. */
if (self->b_frames == GST_OMX_H264_VIDEO_ENC_B_FRAMES_DEFAULT)
config_avcintraperiod.nPFrames = self->interval_intraframes;
}
err =
gst_omx_component_set_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexConfigVideoAVCIntraPeriod, &config_avcintraperiod);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"can't set OMX_IndexConfigVideoAVCIntraPeriod %s (0x%08x)",
gst_omx_error_to_string (err), err);
return FALSE;
}
return TRUE;
}
#ifdef USE_OMX_TARGET_RPI
static gboolean
set_brcm_video_intra_period (GstOMXH264Enc * self)
{
OMX_PARAM_U32TYPE intra_period;
OMX_ERRORTYPE err;
GST_OMX_INIT_STRUCT (&intra_period);
intra_period.nPortIndex = GST_OMX_VIDEO_ENC (self)->enc_out_port->index;
err =
gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexConfigBrcmVideoIntraPeriod, &intra_period);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"can't get OMX_IndexConfigBrcmVideoIntraPeriod %s (0x%08x)",
gst_omx_error_to_string (err), err);
return FALSE;
}
GST_DEBUG_OBJECT (self, "default OMX_IndexConfigBrcmVideoIntraPeriod: %u",
(guint) intra_period.nU32);
if (self->interval_intraframes ==
GST_OMX_H264_VIDEO_ENC_INTERVAL_OF_CODING_INTRA_FRAMES_DEFAULT)
return TRUE;
intra_period.nU32 = self->interval_intraframes;
err =
gst_omx_component_set_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexConfigBrcmVideoIntraPeriod, &intra_period);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"can't set OMX_IndexConfigBrcmVideoIntraPeriod %s (0x%08x)",
gst_omx_error_to_string (err), err);
return FALSE;
}
GST_DEBUG_OBJECT (self, "OMX_IndexConfigBrcmVideoIntraPeriod set to %u",
(guint) intra_period.nU32);
return TRUE;
}
#endif
static gboolean
gst_omx_h264_enc_set_format (GstOMXVideoEnc * enc, GstOMXPort * port,
GstVideoCodecState * state)
{
GstOMXH264Enc *self = GST_OMX_H264_ENC (enc);
GstCaps *peercaps;
OMX_PARAM_PORTDEFINITIONTYPE port_def;
#ifdef USE_OMX_TARGET_RPI
OMX_CONFIG_PORTBOOLEANTYPE config_inline_header;
#endif
OMX_ERRORTYPE err;
const gchar *profile_string, *level_string;
OMX_VIDEO_AVCPROFILETYPE profile = OMX_VIDEO_AVCProfileMax;
OMX_VIDEO_AVCLEVELTYPE level = OMX_VIDEO_AVCLevelMax;
gboolean enable_subframe = FALSE;
#ifdef USE_OMX_TARGET_RPI
GST_OMX_INIT_STRUCT (&config_inline_header);
config_inline_header.nPortIndex =
GST_OMX_VIDEO_ENC (self)->enc_out_port->index;
err =
gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexParamBrcmVideoAVCInlineHeaderEnable, &config_inline_header);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"can't get OMX_IndexParamBrcmVideoAVCInlineHeaderEnable %s (0x%08x)",
gst_omx_error_to_string (err), err);
return FALSE;
}
if (self->inline_sps_pps_headers) {
config_inline_header.bEnabled = OMX_TRUE;
} else {
config_inline_header.bEnabled = OMX_FALSE;
}
err =
gst_omx_component_set_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexParamBrcmVideoAVCInlineHeaderEnable, &config_inline_header);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"can't set OMX_IndexParamBrcmVideoAVCInlineHeaderEnable %s (0x%08x)",
gst_omx_error_to_string (err), err);
return FALSE;
}
#endif
/* Configure GOP pattern */
if (self->periodicty_idr !=
GST_OMX_H264_VIDEO_ENC_PERIODICITY_OF_IDR_FRAMES_DEFAULT
|| self->interval_intraframes !=
GST_OMX_H264_VIDEO_ENC_INTERVAL_OF_CODING_INTRA_FRAMES_DEFAULT) {
set_avc_intra_period (self);
}
#ifdef USE_OMX_TARGET_RPI
/* The Pi uses a specific OMX setting to configure the intra period */
if (self->interval_intraframes)
set_brcm_video_intra_period (self);
#endif
gst_omx_port_get_port_definition (GST_OMX_VIDEO_ENC (self)->enc_out_port,
&port_def);
port_def.format.video.eCompressionFormat = OMX_VIDEO_CodingAVC;
err =
gst_omx_port_update_port_definition (GST_OMX_VIDEO_ENC
(self)->enc_out_port, &port_def);
if (err != OMX_ErrorNone)
return FALSE;
/* Set profile and level */
peercaps = gst_pad_peer_query_caps (GST_VIDEO_ENCODER_SRC_PAD (enc),
gst_pad_get_pad_template_caps (GST_VIDEO_ENCODER_SRC_PAD (enc)));
if (peercaps) {
GstStructure *s;
const gchar *alignment_string;
if (gst_caps_is_empty (peercaps)) {
gst_caps_unref (peercaps);
GST_ERROR_OBJECT (self, "Empty caps");
return FALSE;
}
s = gst_caps_get_structure (peercaps, 0);
profile_string = gst_structure_get_string (s, "profile");
if (profile_string) {
profile = gst_omx_h264_utils_get_profile_from_str (profile_string);
if (profile == OMX_VIDEO_AVCProfileMax)
goto unsupported_profile;
}
level_string = gst_structure_get_string (s, "level");
if (level_string) {
level = gst_omx_h264_utils_get_level_from_str (level_string);
if (level == OMX_VIDEO_AVCLevelMax)
goto unsupported_level;
}
alignment_string = gst_structure_get_string (s, "alignment");
if (alignment_string && g_str_equal (alignment_string, "nal"))
enable_subframe = TRUE;
gst_caps_unref (peercaps);
}
if (profile != OMX_VIDEO_AVCProfileMax || level != OMX_VIDEO_AVCLevelMax) {
/* OMX provides 2 API to set the profile and level. We try using the
* generic one here and the H264 specific when calling
* update_param_avc() */
if (!update_param_profile_level (self, profile, level))
return FALSE;
}
gst_omx_port_set_subframe (GST_OMX_VIDEO_ENC (self)->enc_out_port,
enable_subframe);
if (!update_param_avc (self, profile, level))
return FALSE;
return TRUE;
unsupported_profile:
GST_ERROR_OBJECT (self, "Unsupported profile %s", profile_string);
gst_caps_unref (peercaps);
return FALSE;
unsupported_level:
GST_ERROR_OBJECT (self, "Unsupported level %s", level_string);
gst_caps_unref (peercaps);
return FALSE;
}
static GstCaps *
gst_omx_h264_enc_get_caps (GstOMXVideoEnc * enc, GstOMXPort * port,
GstVideoCodecState * state)
{
GstOMXH264Enc *self = GST_OMX_H264_ENC (enc);
GstCaps *caps;
OMX_ERRORTYPE err;
OMX_VIDEO_PARAM_PROFILELEVELTYPE param;
const gchar *profile, *level, *alignment;
GST_OMX_INIT_STRUCT (&param);
param.nPortIndex = GST_OMX_VIDEO_ENC (self)->enc_out_port->index;
err =
gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexParamVideoProfileLevelCurrent, &param);
if (err != OMX_ErrorNone && err != OMX_ErrorUnsupportedIndex)
return NULL;
if (gst_omx_port_get_subframe (GST_OMX_VIDEO_ENC (self)->enc_out_port))
alignment = "nal";
else
alignment = "au";
caps = gst_caps_new_simple ("video/x-h264",
"stream-format", G_TYPE_STRING, "byte-stream",
"alignment", G_TYPE_STRING, alignment, NULL);
if (err == OMX_ErrorNone) {
profile = gst_omx_h264_utils_get_profile_from_enum (param.eProfile);
if (!profile) {
g_assert_not_reached ();
gst_caps_unref (caps);
return NULL;
}
switch (param.eLevel) {
case OMX_VIDEO_AVCLevel1:
level = "1";
break;
case OMX_VIDEO_AVCLevel1b:
level = "1b";
break;
case OMX_VIDEO_AVCLevel11:
level = "1.1";
break;
case OMX_VIDEO_AVCLevel12:
level = "1.2";
break;
case OMX_VIDEO_AVCLevel13:
level = "1.3";
break;
case OMX_VIDEO_AVCLevel2:
level = "2";
break;
case OMX_VIDEO_AVCLevel21:
level = "2.1";
break;
case OMX_VIDEO_AVCLevel22:
level = "2.2";
break;
case OMX_VIDEO_AVCLevel3:
level = "3";
break;
case OMX_VIDEO_AVCLevel31:
level = "3.1";
break;
case OMX_VIDEO_AVCLevel32:
level = "3.2";
break;
case OMX_VIDEO_AVCLevel4:
level = "4";
break;
case OMX_VIDEO_AVCLevel41:
level = "4.1";
break;
case OMX_VIDEO_AVCLevel42:
level = "4.2";
break;
case OMX_VIDEO_AVCLevel5:
level = "5";
break;
case OMX_VIDEO_AVCLevel51:
level = "5.1";
break;
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
case OMX_ALG_VIDEO_AVCLevel52:
level = "5.2";
break;
case OMX_ALG_VIDEO_AVCLevel60:
level = "6.0";
break;
case OMX_ALG_VIDEO_AVCLevel61:
level = "6.1";
break;
case OMX_ALG_VIDEO_AVCLevel62:
level = "6.2";
break;
#endif
default:
g_assert_not_reached ();
gst_caps_unref (caps);
return NULL;
}
gst_caps_set_simple (caps,
"profile", G_TYPE_STRING, profile, "level", G_TYPE_STRING, level, NULL);
}
return caps;
}
static GstFlowReturn
gst_omx_h264_enc_handle_output_frame (GstOMXVideoEnc * enc, GstOMXPort * port,
GstOMXBuffer * buf, GstVideoCodecFrame * frame)
{
GstOMXH264Enc *self = GST_OMX_H264_ENC (enc);
if (buf->omx_buf->nFlags & OMX_BUFFERFLAG_CODECCONFIG) {
/* The codec data is SPS/PPS but our output is stream-format=byte-stream.
* For bytestream stream format the SPS/PPS is only in-stream and not
* in the caps!
*/
GstBuffer *hdrs;
GstMapInfo map = GST_MAP_INFO_INIT;
GstFlowReturn flow_ret;
GST_DEBUG_OBJECT (self, "got codecconfig in byte-stream format");
hdrs = gst_buffer_new_and_alloc (buf->omx_buf->nFilledLen);
GST_BUFFER_FLAG_SET (hdrs, GST_BUFFER_FLAG_HEADER);
gst_buffer_map (hdrs, &map, GST_MAP_WRITE);
memcpy (map.data,
buf->omx_buf->pBuffer + buf->omx_buf->nOffset,
buf->omx_buf->nFilledLen);
gst_buffer_unmap (hdrs, &map);
self->headers = g_list_append (self->headers, gst_buffer_ref (hdrs));
frame->output_buffer = hdrs;
flow_ret =
gst_video_encoder_finish_subframe (GST_VIDEO_ENCODER (self), frame);
gst_video_codec_frame_unref (frame);
return flow_ret;
} else if (self->headers) {
gst_video_encoder_set_headers (GST_VIDEO_ENCODER (self), self->headers);
self->headers = NULL;
}
return
GST_OMX_VIDEO_ENC_CLASS
(gst_omx_h264_enc_parent_class)->handle_output_frame (enc, port, buf,
frame);
}
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