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gstreamer/ext/x265/gstx265enc.c
He Junyan c5fda68403 x265: Fix a deadlock when failing to create the x265enc. 
The GST_ELEMENT_ERROR will call the gst_object_get_path_string and
use gst_object_get_parent to get the full object path name, which
needs to lock the object. But we are already in a locked context and
so this will cause a deadlock, the pipeline can not exit normally.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2451>
2021-08-09 10:28:11 +00:00

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/* GStreamer H265 encoder plugin
* Copyright (C) 2005 Michal Benes <michal.benes@itonis.tv>
* Copyright (C) 2005 Josef Zlomek <josef.zlomek@itonis.tv>
* Copyright (C) 2008 Mark Nauwelaerts <mnauw@users.sf.net>
* Copyright (C) 2014 Thijs Vermeir <thijs.vermeir@barco.com>
*
* 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.
*/
/**
* SECTION:element-x265enc
* @title: x265enc
*
* This element encodes raw video into H265 compressed data.
*
**/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "gstx265enc.h"
#include <gst/pbutils/pbutils.h>
#include <gst/video/video.h>
#include <gst/video/gstvideometa.h>
#include <gst/video/gstvideopool.h>
#include <string.h>
#include <stdlib.h>
GST_DEBUG_CATEGORY_STATIC (x265_enc_debug);
#define GST_CAT_DEFAULT x265_enc_debug
static x265_api default_vtable;
static const x265_api *vtable_8bit = NULL;
static const x265_api *vtable_10bit = NULL;
static const x265_api *vtable_12bit = NULL;
enum
{
PROP_0,
PROP_BITRATE,
PROP_QP,
PROP_OPTION_STRING,
PROP_X265_LOG_LEVEL,
PROP_SPEED_PRESET,
PROP_TUNE,
PROP_KEY_INT_MAX
};
#define PROP_BITRATE_DEFAULT (2 * 1024)
#define PROP_QP_DEFAULT -1
#define PROP_OPTION_STRING_DEFAULT ""
#define PROP_LOG_LEVEL_DEFAULT -1 /* None */
#define PROP_SPEED_PRESET_DEFAULT 6 /* Medium */
#define PROP_TUNE_DEFAULT 2 /* SSIM */
#define PROP_KEY_INT_MAX_DEFAULT 0 /* x265 lib default */
#define GST_X265_ENC_LOG_LEVEL_TYPE (gst_x265_enc_log_level_get_type())
static GType
gst_x265_enc_log_level_get_type (void)
{
static GType log_level = 0;
static const GEnumValue log_levels[] = {
{X265_LOG_NONE, "No logging", "none"},
{X265_LOG_ERROR, "Error", "error"},
{X265_LOG_WARNING, "Warning", "warning"},
{X265_LOG_INFO, "Info", "info"},
{X265_LOG_DEBUG, "Debug", "debug"},
{X265_LOG_FULL, "Full", "full"},
{0, NULL, NULL}
};
if (!log_level) {
log_level = g_enum_register_static ("GstX265LogLevel", log_levels);
}
return log_level;
}
#define GST_X265_ENC_SPEED_PRESET_TYPE (gst_x265_enc_speed_preset_get_type())
static GType
gst_x265_enc_speed_preset_get_type (void)
{
static GType speed_preset = 0;
static GEnumValue *speed_presets;
int n, i;
if (speed_preset != 0)
return speed_preset;
n = 0;
while (x265_preset_names[n] != NULL)
n++;
speed_presets = g_new0 (GEnumValue, n + 2);
speed_presets[0].value = 0;
speed_presets[0].value_name = "No preset";
speed_presets[0].value_nick = "No preset";
for (i = 0; i < n; i++) {
speed_presets[i + 1].value = i + 1;
speed_presets[i + 1].value_name = x265_preset_names[i];
speed_presets[i + 1].value_nick = x265_preset_names[i];
}
speed_preset = g_enum_register_static ("GstX265SpeedPreset", speed_presets);
return speed_preset;
}
#define GST_X265_ENC_TUNE_TYPE (gst_x265_enc_tune_get_type())
static GType
gst_x265_enc_tune_get_type (void)
{
static GType tune = 0;
static GEnumValue *tune_values;
int n, i;
if (tune != 0)
return tune;
n = 0;
while (x265_tune_names[n] != NULL)
n++;
tune_values = g_new0 (GEnumValue, n + 2);
tune_values[0].value = 0;
tune_values[0].value_name = "No tunning";
tune_values[0].value_nick = "No tunning";
for (i = 0; i < n; i++) {
tune_values[i + 1].value = i + 1;
tune_values[i + 1].value_name = x265_tune_names[i];
tune_values[i + 1].value_nick = x265_tune_names[i];
}
tune = g_enum_register_static ("GstX265Tune", tune_values);
return tune;
}
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-h265, "
"framerate = (fraction) [0/1, MAX], "
"width = (int) [ 16, MAX ], " "height = (int) [ 16, MAX ], "
"stream-format = (string) byte-stream, "
"alignment = (string) au, "
"profile = (string) { main, main-still-picture, main-intra, main-444,"
" main-444-intra, main-444-still-picture,"
" main-10, main-10-intra, main-422-10, main-422-10-intra,"
" main-444-10, main-444-10-intra,"
" main-12, main-12-intra, main-422-12, main-422-12-intra,"
" main-444-12, main-444-12-intra }")
);
static void gst_x265_enc_finalize (GObject * object);
static gboolean gst_x265_enc_start (GstVideoEncoder * encoder);
static gboolean gst_x265_enc_stop (GstVideoEncoder * encoder);
static gboolean gst_x265_enc_flush (GstVideoEncoder * encoder);
static gboolean gst_x265_enc_init_encoder (GstX265Enc * encoder);
static void gst_x265_enc_close_encoder (GstX265Enc * encoder);
static GstFlowReturn gst_x265_enc_finish (GstVideoEncoder * encoder);
static GstFlowReturn gst_x265_enc_handle_frame (GstVideoEncoder * encoder,
GstVideoCodecFrame * frame);
static void gst_x265_enc_flush_frames (GstX265Enc * encoder, gboolean send);
static GstFlowReturn gst_x265_enc_encode_frame (GstX265Enc * encoder,
x265_picture * pic_in, GstVideoCodecFrame * input_frame, guint32 * i_nal,
gboolean send);
static gboolean gst_x265_enc_set_format (GstVideoEncoder * video_enc,
GstVideoCodecState * state);
static gboolean gst_x265_enc_propose_allocation (GstVideoEncoder * encoder,
GstQuery * query);
static void gst_x265_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_x265_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean x265enc_element_init (GstPlugin * plugin);
#define gst_x265_enc_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstX265Enc, gst_x265_enc, GST_TYPE_VIDEO_ENCODER,
G_IMPLEMENT_INTERFACE (GST_TYPE_PRESET, NULL));
GST_ELEMENT_REGISTER_DEFINE_CUSTOM (x265enc, x265enc_element_init);
static gboolean
gst_x265_enc_add_x265_chroma_format (GstStructure * s,
gboolean allow_420, gboolean allow_422, gboolean allow_444,
gboolean allow_8bit, gboolean allow_10bit, gboolean allow_12bit)
{
GValue fmts = G_VALUE_INIT;
GValue fmt = G_VALUE_INIT;
gboolean ret = FALSE;
g_value_init (&fmts, GST_TYPE_LIST);
g_value_init (&fmt, G_TYPE_STRING);
if (allow_8bit) {
if (allow_444) {
g_value_set_string (&fmt, "Y444");
gst_value_list_append_value (&fmts, &fmt);
}
if (allow_422) {
g_value_set_string (&fmt, "Y42B");
gst_value_list_append_value (&fmts, &fmt);
}
if (allow_420) {
g_value_set_string (&fmt, "I420");
gst_value_list_append_value (&fmts, &fmt);
}
}
if (allow_10bit) {
if (allow_444) {
if (G_BYTE_ORDER == G_LITTLE_ENDIAN)
g_value_set_string (&fmt, "Y444_10LE");
else
g_value_set_string (&fmt, "Y444_10BE");
gst_value_list_append_value (&fmts, &fmt);
}
if (allow_422) {
if (G_BYTE_ORDER == G_LITTLE_ENDIAN)
g_value_set_string (&fmt, "I422_10LE");
else
g_value_set_string (&fmt, "I422_10BE");
gst_value_list_append_value (&fmts, &fmt);
}
if (allow_420) {
if (G_BYTE_ORDER == G_LITTLE_ENDIAN)
g_value_set_string (&fmt, "I420_10LE");
else
g_value_set_string (&fmt, "I420_10BE");
gst_value_list_append_value (&fmts, &fmt);
}
}
if (allow_12bit) {
if (allow_444) {
if (G_BYTE_ORDER == G_LITTLE_ENDIAN)
g_value_set_string (&fmt, "Y444_12LE");
else
g_value_set_string (&fmt, "Y444_12BE");
gst_value_list_append_value (&fmts, &fmt);
}
if (allow_422) {
if (G_BYTE_ORDER == G_LITTLE_ENDIAN)
g_value_set_string (&fmt, "I422_12LE");
else
g_value_set_string (&fmt, "I422_12BE");
gst_value_list_append_value (&fmts, &fmt);
}
if (allow_420) {
if (G_BYTE_ORDER == G_LITTLE_ENDIAN)
g_value_set_string (&fmt, "I420_12LE");
else
g_value_set_string (&fmt, "I420_12BE");
gst_value_list_append_value (&fmts, &fmt);
}
}
if (gst_value_list_get_size (&fmts) != 0) {
gst_structure_take_value (s, "format", &fmts);
ret = TRUE;
} else {
g_value_unset (&fmts);
}
g_value_unset (&fmt);
return ret;
}
static gboolean
gst_x265_enc_sink_query (GstVideoEncoder * enc, GstQuery * query)
{
GstPad *pad = GST_VIDEO_ENCODER_SINK_PAD (enc);
gboolean res;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_ACCEPT_CAPS:{
GstCaps *acceptable, *caps;
acceptable = gst_pad_get_pad_template_caps (pad);
gst_query_parse_accept_caps (query, &caps);
gst_query_set_accept_caps_result (query,
gst_caps_is_subset (caps, acceptable));
gst_caps_unref (acceptable);
res = TRUE;
}
break;
default:
res = GST_VIDEO_ENCODER_CLASS (parent_class)->sink_query (enc, query);
break;
}
return res;
}
static void
check_formats (const gchar * str, guint * max_chroma, guint * max_bit_minus_8)
{
if (!str)
return;
if (g_strrstr (str, "-444"))
*max_chroma = 2;
else if (g_strrstr (str, "-422") && *max_chroma < 1)
*max_chroma = 1;
if (g_strrstr (str, "-12"))
*max_bit_minus_8 = 4;
else if (g_strrstr (str, "-10") && *max_bit_minus_8 < 2)
*max_bit_minus_8 = 2;
}
static GstCaps *
gst_x265_enc_sink_getcaps (GstVideoEncoder * enc, GstCaps * filter)
{
GstCaps *templ_caps, *supported_incaps;
GstCaps *allowed;
GstCaps *fcaps;
gint i, j;
gboolean has_profile = FALSE;
guint max_chroma_index = 0;
guint max_bit_minus_8 = 0;
templ_caps = gst_pad_get_pad_template_caps (GST_VIDEO_ENCODER_SINK_PAD (enc));
allowed = gst_pad_get_allowed_caps (enc->srcpad);
GST_LOG_OBJECT (enc, "template caps %" GST_PTR_FORMAT, templ_caps);
GST_LOG_OBJECT (enc, "allowed caps %" GST_PTR_FORMAT, allowed);
if (!allowed) {
/* no peer */
supported_incaps = templ_caps;
goto done;
} else if (gst_caps_is_empty (allowed)) {
/* cannot negotiate, return empty caps */
gst_caps_unref (templ_caps);
return allowed;
}
/* fill format based on requested profile */
for (i = 0; i < gst_caps_get_size (allowed); i++) {
const GstStructure *allowed_s = gst_caps_get_structure (allowed, i);
const GValue *val;
if ((val = gst_structure_get_value (allowed_s, "profile"))) {
if (G_VALUE_HOLDS_STRING (val)) {
check_formats (g_value_get_string (val), &max_chroma_index,
&max_bit_minus_8);
has_profile = TRUE;
} else if (GST_VALUE_HOLDS_LIST (val)) {
for (j = 0; j < gst_value_list_get_size (val); j++) {
const GValue *vlist = gst_value_list_get_value (val, j);
if (G_VALUE_HOLDS_STRING (vlist)) {
check_formats (g_value_get_string (vlist), &max_chroma_index,
&max_bit_minus_8);
has_profile = TRUE;
}
}
}
}
}
if (!has_profile) {
/* downstream did not request profile */
supported_incaps = templ_caps;
} else {
GstStructure *s;
gboolean has_12bit = FALSE;
gboolean has_10bit = FALSE;
gboolean has_8bit = TRUE;
gboolean has_444 = FALSE;
gboolean has_422 = FALSE;
gboolean has_420 = TRUE;
supported_incaps = gst_caps_new_simple ("video/x-raw",
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1,
"width", GST_TYPE_INT_RANGE, 16, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 16, G_MAXINT, NULL);
/* NOTE: 12bits profiles can accept 8bits and 10bits format */
if (max_bit_minus_8 >= 4)
has_12bit = TRUE;
if (max_bit_minus_8 >= 2)
has_10bit = TRUE;
has_8bit &= ! !vtable_8bit;
has_10bit &= ! !vtable_10bit;
has_12bit &= ! !vtable_12bit;
/* 4:4:4 profiles can handle 4:2:2 and 4:2:0 */
if (max_chroma_index >= 2)
has_444 = TRUE;
if (max_chroma_index >= 1)
has_422 = TRUE;
s = gst_caps_get_structure (supported_incaps, 0);
gst_x265_enc_add_x265_chroma_format (s, has_420, has_422, has_444,
has_8bit, has_10bit, has_12bit);
gst_caps_unref (templ_caps);
}
done:
GST_LOG_OBJECT (enc, "supported caps %" GST_PTR_FORMAT, supported_incaps);
fcaps = gst_video_encoder_proxy_getcaps (enc, supported_incaps, filter);
gst_clear_caps (&supported_incaps);
gst_clear_caps (&allowed);
GST_LOG_OBJECT (enc, "proxy caps %" GST_PTR_FORMAT, fcaps);
return fcaps;
}
static void
gst_x265_enc_class_init (GstX265EncClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
GstVideoEncoderClass *gstencoder_class;
GstPadTemplate *sink_templ;
GstCaps *supported_sinkcaps;
gobject_class = G_OBJECT_CLASS (klass);
element_class = GST_ELEMENT_CLASS (klass);
gstencoder_class = GST_VIDEO_ENCODER_CLASS (klass);
gobject_class->set_property = gst_x265_enc_set_property;
gobject_class->get_property = gst_x265_enc_get_property;
gobject_class->finalize = gst_x265_enc_finalize;
gstencoder_class->set_format = GST_DEBUG_FUNCPTR (gst_x265_enc_set_format);
gstencoder_class->handle_frame =
GST_DEBUG_FUNCPTR (gst_x265_enc_handle_frame);
gstencoder_class->start = GST_DEBUG_FUNCPTR (gst_x265_enc_start);
gstencoder_class->stop = GST_DEBUG_FUNCPTR (gst_x265_enc_stop);
gstencoder_class->flush = GST_DEBUG_FUNCPTR (gst_x265_enc_flush);
gstencoder_class->finish = GST_DEBUG_FUNCPTR (gst_x265_enc_finish);
gstencoder_class->getcaps = GST_DEBUG_FUNCPTR (gst_x265_enc_sink_getcaps);
gstencoder_class->sink_query = GST_DEBUG_FUNCPTR (gst_x265_enc_sink_query);
gstencoder_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_x265_enc_propose_allocation);
g_object_class_install_property (gobject_class, PROP_BITRATE,
g_param_spec_uint ("bitrate", "Bitrate", "Bitrate in kbit/sec", 1,
100 * 1024, PROP_BITRATE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_PLAYING));
g_object_class_install_property (gobject_class, PROP_QP,
g_param_spec_int ("qp", "Quantization parameter",
"QP for P slices in (implied) CQP mode (-1 = disabled)", -1,
51, PROP_QP_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_OPTION_STRING,
g_param_spec_string ("option-string", "Option string",
"String of x265 options (overridden by element properties)"
" in the format \"key1=value1:key2=value2\".",
PROP_OPTION_STRING_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_X265_LOG_LEVEL,
g_param_spec_enum ("log-level", "(internal) x265 log level",
"x265 log level", GST_X265_ENC_LOG_LEVEL_TYPE,
PROP_LOG_LEVEL_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SPEED_PRESET,
g_param_spec_enum ("speed-preset", "Speed preset",
"Preset name for speed/quality tradeoff options",
GST_X265_ENC_SPEED_PRESET_TYPE, PROP_SPEED_PRESET_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_TUNE,
g_param_spec_enum ("tune", "Tune options",
"Preset name for tuning options", GST_X265_ENC_TUNE_TYPE,
PROP_TUNE_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstX265Enc::key-int-max:
*
* Controls maximum number of frames since the last keyframe
*
* Since: 1.16
*/
g_object_class_install_property (gobject_class, PROP_KEY_INT_MAX,
g_param_spec_int ("key-int-max", "Max key frame",
"Maximal distance between two key-frames (0 = x265 default / 250)",
0, G_MAXINT32, PROP_KEY_INT_MAX_DEFAULT, G_PARAM_READWRITE));
gst_element_class_set_static_metadata (element_class,
"x265enc", "Codec/Encoder/Video", "H265 Encoder",
"Thijs Vermeir <thijs.vermeir@barco.com>");
supported_sinkcaps = gst_caps_new_simple ("video/x-raw",
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1,
"width", GST_TYPE_INT_RANGE, 16, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 16, G_MAXINT, NULL);
gst_x265_enc_add_x265_chroma_format (gst_caps_get_structure
(supported_sinkcaps, 0), TRUE, TRUE, TRUE, ! !vtable_8bit,
! !vtable_10bit, ! !vtable_12bit);
sink_templ = gst_pad_template_new ("sink",
GST_PAD_SINK, GST_PAD_ALWAYS, supported_sinkcaps);
gst_caps_unref (supported_sinkcaps);
gst_element_class_add_pad_template (element_class, sink_templ);
gst_element_class_add_static_pad_template (element_class, &src_factory);
gst_type_mark_as_plugin_api (GST_X265_ENC_LOG_LEVEL_TYPE, 0);
gst_type_mark_as_plugin_api (GST_X265_ENC_SPEED_PRESET_TYPE, 0);
gst_type_mark_as_plugin_api (GST_X265_ENC_TUNE_TYPE,
GST_PLUGIN_API_FLAG_IGNORE_ENUM_MEMBERS);
}
/* initialize the new element
* instantiate pads and add them to element
* set functions
* initialize structure
*/
static void
gst_x265_enc_init (GstX265Enc * encoder)
{
encoder->push_header = TRUE;
encoder->bitrate = PROP_BITRATE_DEFAULT;
encoder->qp = PROP_QP_DEFAULT;
encoder->option_string_prop = g_string_new (PROP_OPTION_STRING_DEFAULT);
encoder->log_level = PROP_LOG_LEVEL_DEFAULT;
encoder->speed_preset = PROP_SPEED_PRESET_DEFAULT;
encoder->tune = PROP_TUNE_DEFAULT;
encoder->keyintmax = PROP_KEY_INT_MAX_DEFAULT;
encoder->api = &default_vtable;
encoder->api->param_default (&encoder->x265param);
encoder->peer_profiles = g_ptr_array_new ();
}
typedef struct
{
GstVideoCodecFrame *frame;
GstVideoFrame vframe;
} FrameData;
static FrameData *
gst_x265_enc_queue_frame (GstX265Enc * enc, GstVideoCodecFrame * frame,
GstVideoInfo * info)
{
GstVideoFrame vframe;
FrameData *fdata;
if (!gst_video_frame_map (&vframe, info, frame->input_buffer, GST_MAP_READ))
return NULL;
fdata = g_slice_new (FrameData);
fdata->frame = gst_video_codec_frame_ref (frame);
fdata->vframe = vframe;
enc->pending_frames = g_list_prepend (enc->pending_frames, fdata);
return fdata;
}
static void
gst_x265_enc_dequeue_frame (GstX265Enc * enc, GstVideoCodecFrame * frame)
{
GList *l;
for (l = enc->pending_frames; l; l = l->next) {
FrameData *fdata = l->data;
if (fdata->frame != frame)
continue;
gst_video_frame_unmap (&fdata->vframe);
gst_video_codec_frame_unref (fdata->frame);
g_slice_free (FrameData, fdata);
enc->pending_frames = g_list_delete_link (enc->pending_frames, l);
return;
}
}
static void
gst_x265_enc_dequeue_all_frames (GstX265Enc * enc)
{
GList *l;
for (l = enc->pending_frames; l; l = l->next) {
FrameData *fdata = l->data;
gst_video_frame_unmap (&fdata->vframe);
gst_video_codec_frame_unref (fdata->frame);
g_slice_free (FrameData, fdata);
}
g_list_free (enc->pending_frames);
enc->pending_frames = NULL;
}
static gboolean
gst_x265_enc_start (GstVideoEncoder * encoder)
{
GstX265Enc *x265enc = GST_X265_ENC (encoder);
g_ptr_array_set_size (x265enc->peer_profiles, 0);
/* make sure that we have enough time for first DTS,
this is probably overkill for most streams */
gst_video_encoder_set_min_pts (encoder, GST_SECOND * 60 * 60 * 1000);
return TRUE;
}
static gboolean
gst_x265_enc_stop (GstVideoEncoder * encoder)
{
GstX265Enc *x265enc = GST_X265_ENC (encoder);
GST_DEBUG_OBJECT (encoder, "stop encoder");
gst_x265_enc_flush_frames (x265enc, FALSE);
gst_x265_enc_close_encoder (x265enc);
gst_x265_enc_dequeue_all_frames (x265enc);
if (x265enc->input_state)
gst_video_codec_state_unref (x265enc->input_state);
x265enc->input_state = NULL;
g_ptr_array_set_size (x265enc->peer_profiles, 0);
return TRUE;
}
static gboolean
gst_x265_enc_flush (GstVideoEncoder * encoder)
{
GstX265Enc *x265enc = GST_X265_ENC (encoder);
GST_DEBUG_OBJECT (encoder, "flushing encoder");
gst_x265_enc_flush_frames (x265enc, FALSE);
gst_x265_enc_close_encoder (x265enc);
gst_x265_enc_dequeue_all_frames (x265enc);
gst_x265_enc_init_encoder (x265enc);
return TRUE;
}
static void
gst_x265_enc_finalize (GObject * object)
{
GstX265Enc *encoder = GST_X265_ENC (object);
if (encoder->input_state)
gst_video_codec_state_unref (encoder->input_state);
encoder->input_state = NULL;
gst_x265_enc_close_encoder (encoder);
g_string_free (encoder->option_string_prop, TRUE);
if (encoder->peer_profiles)
g_ptr_array_free (encoder->peer_profiles, FALSE);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gint
gst_x265_enc_gst_to_x265_video_format (GstVideoFormat format, gint * nplanes)
{
switch (format) {
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
case GST_VIDEO_FORMAT_I420_10LE:
case GST_VIDEO_FORMAT_I420_10BE:
case GST_VIDEO_FORMAT_I420_12LE:
case GST_VIDEO_FORMAT_I420_12BE:
if (nplanes)
*nplanes = 3;
return X265_CSP_I420;
case GST_VIDEO_FORMAT_Y444:
case GST_VIDEO_FORMAT_Y444_10LE:
case GST_VIDEO_FORMAT_Y444_10BE:
case GST_VIDEO_FORMAT_Y444_12LE:
case GST_VIDEO_FORMAT_Y444_12BE:
if (nplanes)
*nplanes = 3;
return X265_CSP_I444;
case GST_VIDEO_FORMAT_Y42B:
case GST_VIDEO_FORMAT_I422_10LE:
case GST_VIDEO_FORMAT_I422_10BE:
case GST_VIDEO_FORMAT_I422_12LE:
case GST_VIDEO_FORMAT_I422_12BE:
if (nplanes)
*nplanes = 3;
return X265_CSP_I422;
default:
g_return_val_if_reached (GST_VIDEO_FORMAT_UNKNOWN);
}
}
/*
* gst_x265_enc_parse_options
* @encoder: Encoder to which options are assigned
* @str: Option string
*
* Parse option string and assign to x265 parameters
*
*/
static gboolean
gst_x265_enc_parse_options (GstX265Enc * encoder, const gchar * str)
{
GStrv kvpairs;
guint npairs, i;
gint parse_result = 0, ret = 0;
gchar *options = (gchar *) str;
const x265_api *api = encoder->api;
g_assert (api != NULL);
while (*options == ':')
options++;
kvpairs = g_strsplit (options, ":", 0);
npairs = g_strv_length (kvpairs);
for (i = 0; i < npairs; i++) {
GStrv key_val = g_strsplit (kvpairs[i], "=", 2);
parse_result =
api->param_parse (&encoder->x265param, key_val[0], key_val[1]);
if (parse_result == X265_PARAM_BAD_NAME) {
GST_ERROR_OBJECT (encoder, "Bad name for option %s=%s",
key_val[0] ? key_val[0] : "", key_val[1] ? key_val[1] : "");
}
if (parse_result == X265_PARAM_BAD_VALUE) {
GST_ERROR_OBJECT (encoder,
"Bad value for option %s=%s (Note: a NULL value for a non-boolean triggers this)",
key_val[0] ? key_val[0] : "", key_val[1] ? key_val[1] : "");
}
g_strfreev (key_val);
if (parse_result)
ret++;
}
g_strfreev (kvpairs);
return !ret;
}
static gboolean
gst_x265_enc_init_encoder_locked (GstX265Enc * encoder)
{
GstVideoInfo *info;
guint bitdepth;
gboolean peer_intra = FALSE;
if (!encoder->input_state) {
GST_DEBUG_OBJECT (encoder, "Have no input state yet");
return FALSE;
}
info = &encoder->input_state->info;
/* make sure that the encoder is closed */
gst_x265_enc_close_encoder (encoder);
bitdepth = GST_VIDEO_INFO_COMP_DEPTH (info, 0);
encoder->api = NULL;
switch (bitdepth) {
case 8:
if (vtable_8bit)
encoder->api = vtable_8bit;
else if (vtable_10bit)
encoder->api = vtable_10bit;
else
encoder->api = vtable_12bit;
break;
case 10:
if (vtable_10bit)
encoder->api = vtable_10bit;
else
encoder->api = vtable_12bit;
break;
case 12:
encoder->api = vtable_12bit;
break;
default:
break;
}
if (!encoder->api) {
GST_ERROR_OBJECT (encoder, "no %d bitdepth vtable available", bitdepth);
return FALSE;
}
if (encoder->api->param_default_preset (&encoder->x265param,
x265_preset_names[encoder->speed_preset - 1],
x265_tune_names[encoder->tune - 1]) < 0) {
GST_DEBUG_OBJECT (encoder, "preset or tune unrecognized");
return FALSE;
}
/* set up encoder parameters */
encoder->x265param.logLevel = encoder->log_level;
encoder->x265param.internalCsp =
gst_x265_enc_gst_to_x265_video_format (info->finfo->format, NULL);
if (info->fps_d == 0 || info->fps_n == 0) {
} else {
encoder->x265param.fpsNum = info->fps_n;
encoder->x265param.fpsDenom = info->fps_d;
}
encoder->x265param.sourceWidth = info->width;
encoder->x265param.sourceHeight = info->height;
/* x265 does not allow user to configure a picture size smaller than
* at least one CU size, and maxCUSize must be 16, 32, or 64.
* Therefore, we should be set the CU size according to the input resolution.
*/
if (encoder->x265param.sourceWidth < 64
|| encoder->x265param.sourceHeight < 64)
encoder->x265param.maxCUSize = 32;
if (encoder->x265param.sourceWidth < 32
|| encoder->x265param.sourceHeight < 32)
encoder->x265param.maxCUSize = 16;
if (info->par_d > 0) {
encoder->x265param.vui.aspectRatioIdc = X265_EXTENDED_SAR;
encoder->x265param.vui.sarWidth = info->par_n;
encoder->x265param.vui.sarHeight = info->par_d;
}
encoder->x265param.vui.bEnableVideoSignalTypePresentFlag = 1;
/* Unspecified video format (5) */
encoder->x265param.vui.videoFormat = 5;
if (info->colorimetry.range == GST_VIDEO_COLOR_RANGE_0_255) {
encoder->x265param.vui.bEnableVideoFullRangeFlag = 1;
} else {
encoder->x265param.vui.bEnableVideoFullRangeFlag = 0;
}
encoder->x265param.vui.bEnableColorDescriptionPresentFlag = 1;
encoder->x265param.vui.matrixCoeffs =
gst_video_color_matrix_to_iso (info->colorimetry.matrix);
encoder->x265param.vui.colorPrimaries =
gst_video_color_primaries_to_iso (info->colorimetry.primaries);
encoder->x265param.vui.transferCharacteristics =
gst_video_transfer_function_to_iso (info->colorimetry.transfer);
if (encoder->qp != -1) {
/* CQP */
encoder->x265param.rc.qp = encoder->qp;
encoder->x265param.rc.rateControlMode = X265_RC_CQP;
} else {
/* ABR */
encoder->x265param.rc.bitrate = encoder->bitrate;
encoder->x265param.rc.rateControlMode = X265_RC_ABR;
}
if (encoder->peer_profiles->len > 0) {
gint i;
for (i = 0; i < encoder->peer_profiles->len; i++) {
const gchar *profile = g_ptr_array_index (encoder->peer_profiles, i);
GST_DEBUG_OBJECT (encoder, "Apply peer profile %s", profile);
if (encoder->api->param_apply_profile (&encoder->x265param, profile) < 0) {
GST_WARNING_OBJECT (encoder, "Failed to apply profile %s", profile);
} else {
/* libx265 chooses still-picture profile only if x265_param::totalFrames
* equals to one (otherwise, -intra profile will be chosen) */
if (g_strrstr (profile, "stillpicture"))
encoder->x265param.totalFrames = 1;
if (g_str_has_suffix (profile, "-intra"))
peer_intra = TRUE;
break;
}
}
if (i == encoder->peer_profiles->len) {
GST_ERROR_OBJECT (encoder, "Couldn't apply peer profile");
return FALSE;
}
}
if (peer_intra) {
encoder->x265param.keyframeMax = 1;
} else if (encoder->keyintmax > 0) {
encoder->x265param.keyframeMax = encoder->keyintmax;
}
#if (X265_BUILD >= 79)
{
GstVideoMasteringDisplayInfo minfo;
GstVideoContentLightLevel cll;
if (gst_video_mastering_display_info_from_caps (&minfo,
encoder->input_state->caps)) {
GST_DEBUG_OBJECT (encoder, "Apply mastering display info");
/* GstVideoMasteringDisplayInfo::display_primaries is rgb order but
* HEVC uses gbr order
* See spec D.3.28 display_primaries_x and display_primaries_y
*/
encoder->x265param.masteringDisplayColorVolume =
g_strdup_printf ("G(%hu,%hu)B(%hu,%hu)R(%hu,%hu)WP(%hu,%hu)L(%u,%u)",
minfo.display_primaries[1].x, minfo.display_primaries[1].y,
minfo.display_primaries[2].x, minfo.display_primaries[2].y,
minfo.display_primaries[0].x, minfo.display_primaries[0].y,
minfo.white_point.x, minfo.white_point.y,
minfo.max_display_mastering_luminance,
minfo.min_display_mastering_luminance);
}
if (gst_video_content_light_level_from_caps (&cll,
encoder->input_state->caps)) {
GST_DEBUG_OBJECT (encoder, "Apply content light level");
encoder->x265param.maxCLL = cll.max_content_light_level;
encoder->x265param.maxFALL = cll.max_frame_average_light_level;
}
}
#endif
/* apply option-string property */
if (encoder->option_string_prop && encoder->option_string_prop->len) {
GST_DEBUG_OBJECT (encoder, "Applying option-string: %s",
encoder->option_string_prop->str);
if (gst_x265_enc_parse_options (encoder,
encoder->option_string_prop->str) == FALSE) {
GST_DEBUG_OBJECT (encoder, "Your option-string contains errors.");
return FALSE;
}
}
encoder->reconfig = FALSE;
/* good start, will be corrected if needed */
encoder->dts_offset = 0;
encoder->x265enc = encoder->api->encoder_open (&encoder->x265param);
if (!encoder->x265enc) {
GST_ERROR_OBJECT (encoder, "Can not open x265 encoder.");
return FALSE;
}
encoder->push_header = TRUE;
return TRUE;
}
/*
* gst_x265_enc_init_encoder
* @encoder: Encoder which should be initialized.
*
* Initialize x265 encoder.
*
*/
static gboolean
gst_x265_enc_init_encoder (GstX265Enc * encoder)
{
gboolean result;
GST_OBJECT_LOCK (encoder);
result = gst_x265_enc_init_encoder_locked (encoder);
GST_OBJECT_UNLOCK (encoder);
if (!result)
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE,
("Can not initialize x265 encoder."), (NULL));
return result;
}
/* gst_x265_enc_close_encoder
* @encoder: Encoder which should close.
*
* Close x265 encoder.
*/
static void
gst_x265_enc_close_encoder (GstX265Enc * encoder)
{
if (encoder->x265enc != NULL) {
g_assert (encoder->api != NULL);
encoder->api->encoder_close (encoder->x265enc);
encoder->x265enc = NULL;
}
}
static x265_nal *
gst_x265_enc_bytestream_to_nal (x265_nal * input)
{
x265_nal *output;
int i, j, zeros;
output = g_malloc (sizeof (x265_nal));
output->payload = g_malloc (input->sizeBytes - 4);
output->sizeBytes = input->sizeBytes - 4;
output->type = input->type;
zeros = 0;
for (i = 4, j = 0; i < input->sizeBytes; (i++, j++)) {
if (input->payload[i] == 0x00) {
zeros++;
} else if (input->payload[i] == 0x03 && zeros == 2) {
zeros = 0;
j--;
output->sizeBytes--;
continue;
} else {
zeros = 0;
}
output->payload[j] = input->payload[i];
}
return output;
}
static void
x265_nal_free (x265_nal * nal)
{
g_free (nal->payload);
g_free (nal);
}
static gboolean
gst_x265_enc_set_level_tier_and_profile (GstX265Enc * encoder, GstCaps * caps)
{
x265_nal *nal, *vps_nal;
guint32 i_nal;
int header_return;
const x265_api *api = encoder->api;
GstStructure *s;
const gchar *profile;
GstCaps *allowed_caps;
GstStructure *s2;
const gchar *allowed_profile;
GST_DEBUG_OBJECT (encoder, "set profile, level and tier");
g_assert (api != NULL);
header_return = api->encoder_headers (encoder->x265enc, &nal, &i_nal);
if (header_return < 0) {
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE, ("Encode x265 header failed."),
("x265_encoder_headers return code=%d", header_return));
return FALSE;
}
GST_DEBUG_OBJECT (encoder, "%d nal units in header", i_nal);
g_assert (nal[0].type == NAL_UNIT_VPS);
vps_nal = gst_x265_enc_bytestream_to_nal (&nal[0]);
GST_MEMDUMP ("VPS", vps_nal->payload, vps_nal->sizeBytes);
gst_codec_utils_h265_caps_set_level_tier_and_profile (caps,
vps_nal->payload + 6, vps_nal->sizeBytes - 6);
x265_nal_free (vps_nal);
/* relaxing the profile condition since libx265 can select lower profile than
* requested one via param_apply_profile()
*/
s = gst_caps_get_structure (caps, 0);
profile = gst_structure_get_string (s, "profile");
allowed_caps = gst_pad_get_allowed_caps (GST_VIDEO_ENCODER_SRC_PAD (encoder));
if (allowed_caps == NULL)
goto no_peer;
if (!gst_caps_can_intersect (allowed_caps, caps)) {
guint peer_bitdepth = 0;
guint peer_chroma_format = 0;
guint bitdepth = 0;
guint chroma_format = 0;
allowed_caps = gst_caps_make_writable (allowed_caps);
allowed_caps = gst_caps_truncate (allowed_caps);
s2 = gst_caps_get_structure (allowed_caps, 0);
gst_structure_fixate_field_string (s2, "profile", profile);
allowed_profile = gst_structure_get_string (s2, "profile");
check_formats (allowed_profile, &peer_chroma_format, &peer_bitdepth);
check_formats (profile, &chroma_format, &bitdepth);
if (chroma_format <= peer_chroma_format && bitdepth <= peer_bitdepth) {
GST_INFO_OBJECT (encoder, "downstream requested %s profile, but "
"encoder will now output %s profile (which is a subset), due "
"to how it's been configured", allowed_profile, profile);
gst_structure_set (s, "profile", G_TYPE_STRING, allowed_profile, NULL);
}
}
gst_caps_unref (allowed_caps);
no_peer:
return TRUE;
}
static GstBuffer *
gst_x265_enc_get_header_buffer (GstX265Enc * encoder)
{
x265_nal *nal;
guint32 i_nal, i, offset;
gint32 vps_idx, sps_idx, pps_idx;
int header_return;
GstBuffer *buf;
gsize header_size = 0;
const x265_api *api = encoder->api;
g_assert (api != NULL);
header_return = api->encoder_headers (encoder->x265enc, &nal, &i_nal);
if (header_return < 0) {
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE, ("Encode x265 header failed."),
("x265_encoder_headers return code=%d", header_return));
return FALSE;
}
GST_DEBUG_OBJECT (encoder, "%d nal units in header", i_nal);
/* x265 returns also non header nal units with the call x265_encoder_headers.
* The useful headers are sequential (VPS, SPS and PPS), so we look for this
* nal units and only copy these tree nal units as the header */
vps_idx = sps_idx = pps_idx = -1;
for (i = 0; i < i_nal; i++) {
if (nal[i].type == NAL_UNIT_VPS) {
vps_idx = i;
header_size += nal[i].sizeBytes;
} else if (nal[i].type == NAL_UNIT_SPS) {
sps_idx = i;
header_size += nal[i].sizeBytes;
} else if (nal[i].type == NAL_UNIT_PPS) {
pps_idx = i;
header_size += nal[i].sizeBytes;
} else if (nal[i].type == NAL_UNIT_PREFIX_SEI) {
header_size += nal[i].sizeBytes;
}
}
if (vps_idx == -1 || sps_idx == -1 || pps_idx == -1) {
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE, ("Encode x265 header failed."),
("x265_encoder_headers did not return VPS, SPS and PPS"));
return FALSE;
}
offset = 0;
buf = gst_buffer_new_allocate (NULL, header_size, NULL);
gst_buffer_fill (buf, offset, nal[vps_idx].payload, nal[vps_idx].sizeBytes);
offset += nal[vps_idx].sizeBytes;
gst_buffer_fill (buf, offset, nal[sps_idx].payload, nal[sps_idx].sizeBytes);
offset += nal[sps_idx].sizeBytes;
gst_buffer_fill (buf, offset, nal[pps_idx].payload, nal[pps_idx].sizeBytes);
offset += nal[pps_idx].sizeBytes;
for (i = 0; i < i_nal; i++) {
if (nal[i].type == NAL_UNIT_PREFIX_SEI) {
gst_buffer_fill (buf, offset, nal[i].payload, nal[i].sizeBytes);
offset += nal[i].sizeBytes;
}
}
return buf;
}
/* gst_x265_enc_set_src_caps
* Returns: TRUE on success.
*/
static gboolean
gst_x265_enc_set_src_caps (GstX265Enc * encoder, GstCaps * caps)
{
GstCaps *outcaps;
GstStructure *structure;
GstVideoCodecState *state;
GstTagList *tags;
outcaps = gst_caps_new_empty_simple ("video/x-h265");
structure = gst_caps_get_structure (outcaps, 0);
gst_structure_set (structure, "stream-format", G_TYPE_STRING, "byte-stream",
NULL);
gst_structure_set (structure, "alignment", G_TYPE_STRING, "au", NULL);
if (!gst_x265_enc_set_level_tier_and_profile (encoder, outcaps)) {
gst_caps_unref (outcaps);
return FALSE;
}
state = gst_video_encoder_set_output_state (GST_VIDEO_ENCODER (encoder),
outcaps, encoder->input_state);
GST_DEBUG_OBJECT (encoder, "output caps: %" GST_PTR_FORMAT, state->caps);
gst_video_codec_state_unref (state);
tags = gst_tag_list_new_empty ();
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER, "x265",
GST_TAG_ENCODER_VERSION, x265_version_str, NULL);
gst_video_encoder_merge_tags (GST_VIDEO_ENCODER (encoder), tags,
GST_TAG_MERGE_REPLACE);
gst_tag_list_unref (tags);
return TRUE;
}
static void
gst_x265_enc_set_latency (GstX265Enc * encoder)
{
GstVideoInfo *info = &encoder->input_state->info;
gint max_delayed_frames;
GstClockTime latency;
/* FIXME get a real value from the encoder, this is currently not exposed */
if (encoder->tune > 0 && encoder->tune <= G_N_ELEMENTS (x265_tune_names) &&
strcmp (x265_tune_names[encoder->tune - 1], "zerolatency") == 0)
max_delayed_frames = 0;
else
max_delayed_frames = 5;
if (info->fps_n) {
latency = gst_util_uint64_scale_ceil (GST_SECOND * info->fps_d,
max_delayed_frames, info->fps_n);
} else {
/* FIXME: Assume 25fps. This is better than reporting no latency at
* all and then later failing in live pipelines
*/
latency = gst_util_uint64_scale_ceil (GST_SECOND * 1,
max_delayed_frames, 25);
}
GST_INFO_OBJECT (encoder,
"Updating latency to %" GST_TIME_FORMAT " (%d frames)",
GST_TIME_ARGS (latency), max_delayed_frames);
gst_video_encoder_set_latency (GST_VIDEO_ENCODER (encoder), latency, latency);
}
typedef struct
{
const gchar *gst_profile;
const gchar *x265_profile;
} GstX265EncProfileTable;
static const gchar *
gst_x265_enc_profile_from_gst (const gchar * profile)
{
gint i;
static const GstX265EncProfileTable profile_table[] = {
/* 8 bits */
{"main", "main"},
{"main-still-picture", "mainstillpicture"},
{"main-intra", "main-intra"},
{"main-444", "main444-8"},
{"main-444-intra", "main444-intra"},
{"main-444-still-picture", "main444-stillpicture"},
/* 10 bits */
{"main-10", "main10"},
{"main-10-intra", "main10-intra"},
{"main-422-10", "main422-10"},
{"main-422-10-intra", "main422-10-intra"},
{"main-444-10", "main444-10"},
{"main-444-10-intra", "main444-10-intra"},
/* 12 bits */
{"main-12", "main12"},
{"main-12-intra", "main12-intra"},
{"main-422-12", "main422-12"},
{"main-422-12-intra", "main422-12-intra"},
{"main-444-12", "main444-12"},
{"main-444-12-intra", "main444-12-intra"},
};
if (!profile)
return NULL;
for (i = 0; i < G_N_ELEMENTS (profile_table); i++) {
if (!strcmp (profile, profile_table[i].gst_profile))
return profile_table[i].x265_profile;
}
return NULL;
}
static gboolean
gst_x265_enc_set_format (GstVideoEncoder * video_enc,
GstVideoCodecState * state)
{
GstX265Enc *encoder = GST_X265_ENC (video_enc);
GstVideoInfo *info = &state->info;
GstCaps *template_caps;
GstCaps *allowed_caps = NULL;
/* If the encoder is initialized, do not reinitialize it again if not
* necessary */
if (encoder->x265enc) {
GstVideoInfo *old = &encoder->input_state->info;
if (info->finfo->format == old->finfo->format
&& info->width == old->width && info->height == old->height
&& info->fps_n == old->fps_n && info->fps_d == old->fps_d
&& info->par_n == old->par_n && info->par_d == old->par_d) {
gst_video_codec_state_unref (encoder->input_state);
encoder->input_state = gst_video_codec_state_ref (state);
return TRUE;
}
/* clear out pending frames */
gst_x265_enc_flush_frames (encoder, TRUE);
}
if (encoder->input_state)
gst_video_codec_state_unref (encoder->input_state);
encoder->input_state = gst_video_codec_state_ref (state);
g_ptr_array_set_size (encoder->peer_profiles, 0);
template_caps = gst_static_pad_template_get_caps (&src_factory);
allowed_caps = gst_pad_get_allowed_caps (GST_VIDEO_ENCODER_SRC_PAD (encoder));
GST_DEBUG_OBJECT (encoder, "allowed caps %" GST_PTR_FORMAT, allowed_caps);
/* allowed != template is meaning that downstream has some restriction
* so we need check whether there is requested profile or not */
if (allowed_caps && !gst_caps_is_equal (allowed_caps, template_caps)) {
gint i, j;
if (gst_caps_is_empty (allowed_caps)) {
gst_caps_unref (allowed_caps);
gst_caps_unref (template_caps);
return FALSE;
}
for (i = 0; i < gst_caps_get_size (allowed_caps); i++) {
GstStructure *s;
const GValue *val;
const gchar *profile;
const gchar *x265_profile;
s = gst_caps_get_structure (allowed_caps, i);
if ((val = gst_structure_get_value (s, "profile"))) {
if (G_VALUE_HOLDS_STRING (val)) {
profile = g_value_get_string (val);
x265_profile = gst_x265_enc_profile_from_gst (profile);
if (x265_profile) {
GST_DEBUG_OBJECT (encoder,
"Add profile %s to peer profile list", x265_profile);
g_ptr_array_add (encoder->peer_profiles, (gpointer) x265_profile);
}
} else if (GST_VALUE_HOLDS_LIST (val)) {
for (j = 0; j < gst_value_list_get_size (val); j++) {
const GValue *vlist = gst_value_list_get_value (val, j);
profile = g_value_get_string (vlist);
x265_profile = gst_x265_enc_profile_from_gst (profile);
if (x265_profile) {
GST_DEBUG_OBJECT (encoder,
"Add profile %s to peer profile list", x265_profile);
g_ptr_array_add (encoder->peer_profiles, (gpointer) x265_profile);
}
}
}
}
}
}
gst_clear_caps (&allowed_caps);
gst_caps_unref (template_caps);
if (!gst_x265_enc_init_encoder (encoder))
return FALSE;
if (!gst_x265_enc_set_src_caps (encoder, state->caps)) {
gst_x265_enc_close_encoder (encoder);
return FALSE;
}
gst_x265_enc_set_latency (encoder);
return TRUE;
}
static GstFlowReturn
gst_x265_enc_finish (GstVideoEncoder * encoder)
{
GST_DEBUG_OBJECT (encoder, "finish encoder");
gst_x265_enc_flush_frames (GST_X265_ENC (encoder), TRUE);
gst_x265_enc_flush_frames (GST_X265_ENC (encoder), TRUE);
return GST_FLOW_OK;
}
static gboolean
gst_x265_enc_propose_allocation (GstVideoEncoder * encoder, GstQuery * query)
{
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
return GST_VIDEO_ENCODER_CLASS (parent_class)->propose_allocation (encoder,
query);
}
/* chain function
* this function does the actual processing
*/
static GstFlowReturn
gst_x265_enc_handle_frame (GstVideoEncoder * video_enc,
GstVideoCodecFrame * frame)
{
GstX265Enc *encoder = GST_X265_ENC (video_enc);
GstVideoInfo *info = &encoder->input_state->info;
GstFlowReturn ret;
x265_picture pic_in;
guint32 i_nal, i;
FrameData *fdata;
gint nplanes = 0;
const x265_api *api = encoder->api;
g_assert (api != NULL);
if (G_UNLIKELY (encoder->x265enc == NULL))
goto not_inited;
/* set up input picture */
api->picture_init (&encoder->x265param, &pic_in);
fdata = gst_x265_enc_queue_frame (encoder, frame, info);
if (!fdata)
goto invalid_frame;
pic_in.colorSpace =
gst_x265_enc_gst_to_x265_video_format (info->finfo->format, &nplanes);
for (i = 0; i < nplanes; i++) {
pic_in.planes[i] = GST_VIDEO_FRAME_PLANE_DATA (&fdata->vframe, i);
pic_in.stride[i] = GST_VIDEO_FRAME_COMP_STRIDE (&fdata->vframe, i);
}
pic_in.sliceType = X265_TYPE_AUTO;
pic_in.pts = frame->pts;
pic_in.dts = frame->dts;
pic_in.bitDepth = info->finfo->depth[0];
pic_in.userData = GINT_TO_POINTER (frame->system_frame_number);
ret = gst_x265_enc_encode_frame (encoder, &pic_in, frame, &i_nal, TRUE);
/* input buffer is released later on */
return ret;
/* ERRORS */
not_inited:
{
GST_WARNING_OBJECT (encoder, "Got buffer before set_caps was called");
return GST_FLOW_NOT_NEGOTIATED;
}
invalid_frame:
{
GST_ERROR_OBJECT (encoder, "Failed to map frame");
return GST_FLOW_ERROR;
}
}
static GstFlowReturn
gst_x265_enc_encode_frame (GstX265Enc * encoder, x265_picture * pic_in,
GstVideoCodecFrame * input_frame, guint32 * i_nal, gboolean send)
{
GstVideoCodecFrame *frame = NULL;
GstBuffer *out_buf = NULL;
x265_picture pic_out;
x265_nal *nal;
int i_size, i, offset;
int encoder_return;
GstFlowReturn ret = GST_FLOW_OK;
gboolean update_latency = FALSE;
const x265_api *api;
if (G_UNLIKELY (encoder->x265enc == NULL)) {
if (input_frame)
gst_video_codec_frame_unref (input_frame);
return GST_FLOW_NOT_NEGOTIATED;
}
api = encoder->api;
g_assert (api != NULL);
GST_OBJECT_LOCK (encoder);
if (encoder->reconfig) {
/* x265_encoder_reconfig is not yet implemented thus we shut down and re-create encoder */
gst_x265_enc_init_encoder_locked (encoder);
update_latency = TRUE;
}
if (pic_in && input_frame) {
if (GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME (input_frame)) {
GST_INFO_OBJECT (encoder, "Forcing key frame");
pic_in->sliceType = X265_TYPE_IDR;
}
}
GST_OBJECT_UNLOCK (encoder);
if (G_UNLIKELY (update_latency))
gst_x265_enc_set_latency (encoder);
encoder_return = api->encoder_encode (encoder->x265enc,
&nal, i_nal, pic_in, &pic_out);
GST_DEBUG_OBJECT (encoder, "encoder result (%d) with %u nal units",
encoder_return, *i_nal);
if (encoder_return < 0) {
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE, ("Encode x265 frame failed."),
("x265_encoder_encode return code=%d", encoder_return));
ret = GST_FLOW_ERROR;
/* Make sure we finish this frame */
frame = input_frame;
goto out;
}
/* Input frame is now queued */
if (input_frame)
gst_video_codec_frame_unref (input_frame);
if (!*i_nal) {
ret = GST_FLOW_OK;
GST_LOG_OBJECT (encoder, "no output yet");
goto out;
}
frame = gst_video_encoder_get_frame (GST_VIDEO_ENCODER (encoder),
GPOINTER_TO_INT (pic_out.userData));
g_assert (frame || !send);
GST_DEBUG_OBJECT (encoder,
"output picture ready POC=%d system=%d frame found %d", pic_out.poc,
GPOINTER_TO_INT (pic_out.userData), frame != NULL);
if (!send || !frame) {
GST_LOG_OBJECT (encoder, "not sending (%d) or frame not found (%d)", send,
frame != NULL);
ret = GST_FLOW_OK;
goto out;
}
i_size = 0;
offset = 0;
for (i = 0; i < *i_nal; i++)
i_size += nal[i].sizeBytes;
out_buf = gst_buffer_new_allocate (NULL, i_size, NULL);
for (i = 0; i < *i_nal; i++) {
gst_buffer_fill (out_buf, offset, nal[i].payload, nal[i].sizeBytes);
offset += nal[i].sizeBytes;
}
if (pic_out.sliceType == X265_TYPE_IDR || pic_out.sliceType == X265_TYPE_I) {
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
}
frame->output_buffer = out_buf;
if (encoder->push_header) {
GstBuffer *header;
header = gst_x265_enc_get_header_buffer (encoder);
frame->output_buffer = gst_buffer_append (header, frame->output_buffer);
encoder->push_header = FALSE;
}
GST_LOG_OBJECT (encoder,
"output: dts %" G_GINT64_FORMAT " pts %" G_GINT64_FORMAT,
(gint64) pic_out.dts, (gint64) pic_out.pts);
frame->dts = pic_out.dts + encoder->dts_offset;
out:
if (frame) {
gst_x265_enc_dequeue_frame (encoder, frame);
ret = gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (encoder), frame);
}
return ret;
}
static void
gst_x265_enc_flush_frames (GstX265Enc * encoder, gboolean send)
{
GstFlowReturn flow_ret;
guint32 i_nal;
/* first send the remaining frames */
if (encoder->x265enc)
do {
flow_ret = gst_x265_enc_encode_frame (encoder, NULL, NULL, &i_nal, send);
} while (flow_ret == GST_FLOW_OK && i_nal > 0);
}
static void
gst_x265_enc_reconfig (GstX265Enc * encoder)
{
encoder->x265param.rc.bitrate = encoder->bitrate;
encoder->reconfig = TRUE;
}
static void
gst_x265_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstX265Enc *encoder;
GstState state;
encoder = GST_X265_ENC (object);
GST_OBJECT_LOCK (encoder);
state = GST_STATE (encoder);
if ((state != GST_STATE_READY && state != GST_STATE_NULL) &&
!(pspec->flags & GST_PARAM_MUTABLE_PLAYING))
goto wrong_state;
switch (prop_id) {
case PROP_BITRATE:
encoder->bitrate = g_value_get_uint (value);
break;
case PROP_QP:
encoder->qp = g_value_get_int (value);
break;
case PROP_OPTION_STRING:
g_string_assign (encoder->option_string_prop, g_value_get_string (value));
break;
case PROP_X265_LOG_LEVEL:
encoder->log_level = g_value_get_enum (value);
break;
case PROP_SPEED_PRESET:
encoder->speed_preset = g_value_get_enum (value);
break;
case PROP_TUNE:
encoder->tune = g_value_get_enum (value);
break;
case PROP_KEY_INT_MAX:
encoder->keyintmax = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
gst_x265_enc_reconfig (encoder);
GST_OBJECT_UNLOCK (encoder);
return;
wrong_state:
{
GST_WARNING_OBJECT (encoder, "setting property in wrong state");
GST_OBJECT_UNLOCK (encoder);
}
}
static void
gst_x265_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstX265Enc *encoder;
encoder = GST_X265_ENC (object);
GST_OBJECT_LOCK (encoder);
switch (prop_id) {
case PROP_BITRATE:
g_value_set_uint (value, encoder->bitrate);
break;
case PROP_QP:
g_value_set_int (value, encoder->qp);
break;
case PROP_OPTION_STRING:
g_value_set_string (value, encoder->option_string_prop->str);
break;
case PROP_X265_LOG_LEVEL:
g_value_set_enum (value, encoder->log_level);
break;
case PROP_SPEED_PRESET:
g_value_set_enum (value, encoder->speed_preset);
break;
case PROP_TUNE:
g_value_set_enum (value, encoder->tune);
break;
case PROP_KEY_INT_MAX:
g_value_set_int (value, encoder->keyintmax);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (encoder);
}
static gboolean
x265enc_element_init (GstPlugin * plugin)
{
GST_DEBUG_CATEGORY_INIT (x265_enc_debug, "x265enc", 0,
"h265 encoding element");
GST_INFO ("x265 build: %u", X265_BUILD);
default_vtable = *x265_api_get (0);
GST_INFO ("x265 default bitdepth: %u", default_vtable.bit_depth);
switch (default_vtable.bit_depth) {
case 8:
vtable_8bit = &default_vtable;
break;
case 10:
vtable_10bit = &default_vtable;
break;
case 12:
vtable_12bit = &default_vtable;
break;
default:
GST_WARNING ("Unknown default bitdepth %d", default_vtable.bit_depth);
break;
}
if (!vtable_8bit && (vtable_8bit = x265_api_get (8)))
GST_INFO ("x265 8bit api available");
if (!vtable_10bit && (vtable_10bit = x265_api_get (10)))
GST_INFO ("x265 10bit api available");
#if (X265_BUILD >= 68)
if (!vtable_12bit && (vtable_12bit = x265_api_get (12)))
GST_INFO ("x265 12bit api available");
#endif
return gst_element_register (plugin, "x265enc",
GST_RANK_PRIMARY, GST_TYPE_X265_ENC);
}
static gboolean
plugin_init (GstPlugin * plugin)
{
return GST_ELEMENT_REGISTER (x265enc, plugin);
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
x265,
"x265-based H265 plugins",
plugin_init, VERSION, "GPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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