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Diffstat (limited to 'gst/vaapi/gstvaapiencode_h264_fei.c')
-rw-r--r--gst/vaapi/gstvaapiencode_h264_fei.c513
1 files changed, 0 insertions, 513 deletions
diff --git a/gst/vaapi/gstvaapiencode_h264_fei.c b/gst/vaapi/gstvaapiencode_h264_fei.c
deleted file mode 100644
index 5a998afb..00000000
--- a/gst/vaapi/gstvaapiencode_h264_fei.c
+++ /dev/null
@@ -1,513 +0,0 @@
-/*
- * gstvaapiencode_h264_fei.c - VA-API H.264 FEI ncoder
- *
- * Copyright (C) 2016-2019 Intel Corporation
- * Author: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
- * Author: Yi A Wang <yi.a.wang@intel.com>
- *
- * 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; either version 2.1
- * 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
- * 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
- */
-
-/**
- * SECTION:element-vaapih264feienc
- * @short_description: A VA-API FEI based H.264 video encoder
- *
- * Encodes raw video streams into H.264 bitstreams.
- *
- * ## Example launch line
- *
- * |[
- * gst-launch-1.0 -ev videotestsrc num-buffers=60 ! vaapih264feienc fei-mode=ENC_PAK ! filesink location=test.264
- * ]|
- */
-
-#include "gstcompat.h"
-#include <gst/vaapi/gstvaapidisplay.h>
-#include <gst/vaapi/gstvaapiencoder_h264_fei.h>
-#include <gst/vaapi/gstvaapiutils_h264.h>
-#include <gst/vaapi/gstvaapifei_objects.h>
-#include <gst/vaapi/gstvaapifeiutils_h264.h>
-#include "gstvaapiencode_h264_fei.h"
-#include "gstvaapipluginutil.h"
-#include "gstvaapivideomemory.h"
-#include "gstvaapifeivideometa.h"
-#include <gst/vaapi/gstvaapicodedbufferproxy.h>
-
-#define GST_VAAPI_ENCODE_FLOW_MEM_ERROR GST_FLOW_CUSTOM_ERROR
-#define GST_PLUGIN_NAME "vaapih264feienc"
-#define GST_PLUGIN_DESC "A VA-API FEI based advanced H264 video encoder"
-
-GST_DEBUG_CATEGORY_STATIC (gst_vaapi_h264_fei_encode_debug);
-#define GST_CAT_DEFAULT gst_vaapi_h264_fei_encode_debug
-
-#define GST_CODEC_CAPS \
- "video/x-h264, " \
- "stream-format = (string) { avc, byte-stream }, " \
- "alignment = (string) au"
-
-/* *INDENT-OFF* */
-static const char gst_vaapiencode_h264_fei_sink_caps_str[] =
- GST_VAAPI_MAKE_SURFACE_CAPS ", "
- GST_CAPS_INTERLACED_FALSE "; "
- GST_VIDEO_CAPS_MAKE (GST_VAAPI_FORMATS_ALL) ", "
- GST_CAPS_INTERLACED_FALSE ";"
- GST_VIDEO_CAPS_MAKE_WITH_FEATURES(GST_CAPS_FEATURE_MEMORY_DMABUF, GST_VAAPI_FORMATS_ALL) ","
- GST_CAPS_INTERLACED_FALSE;
-/* *INDENT-ON* */
-
-/* *INDENT-OFF* */
-static const char gst_vaapiencode_h264_fei_src_caps_str[] =
- GST_CODEC_CAPS ", "
- "profile = (string) { constrained-baseline, baseline, main, high, multiview-high, stereo-high }";
-/* *INDENT-ON* */
-
-/* *INDENT-OFF* */
-static GstStaticPadTemplate gst_vaapiencode_h264_fei_sink_factory =
- GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (gst_vaapiencode_h264_fei_sink_caps_str));
-/* *INDENT-ON* */
-
-/* *INDENT-OFF* */
-static GstStaticPadTemplate gst_vaapiencode_h264_fei_src_factory =
- GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (gst_vaapiencode_h264_fei_src_caps_str));
-/* *INDENT-ON* */
-
-/* h264 encode */
-G_DEFINE_TYPE (GstVaapiEncodeH264Fei, gst_vaapiencode_h264_fei,
- GST_TYPE_VAAPIENCODE);
-
-static void
-gst_vaapiencode_h264_fei_init (GstVaapiEncodeH264Fei * encode)
-{
- /* nothing to do here */
-}
-
-static void
-gst_vaapiencode_h264_fei_finalize (GObject * object)
-{
- G_OBJECT_CLASS (gst_vaapiencode_h264_fei_parent_class)->finalize (object);
-}
-
-typedef struct
-{
- GstVaapiProfile best_profile;
- guint best_score;
-} FindBestProfileData;
-
-static void
-find_best_profile_value (FindBestProfileData * data, const GValue * value)
-{
- const gchar *str;
- GstVaapiProfile profile;
- guint score;
-
- if (!value || !G_VALUE_HOLDS_STRING (value))
- return;
-
- str = g_value_get_string (value);
- if (!str)
- return;
- profile = gst_vaapi_utils_h264_get_profile_from_string (str);
- if (!profile)
- return;
- score = gst_vaapi_utils_h264_get_profile_score (profile);
- if (score < data->best_score)
- return;
- data->best_profile = profile;
- data->best_score = score;
-}
-
-static GstVaapiProfile
-find_best_profile (GstCaps * caps)
-{
- FindBestProfileData data;
- guint i, j, num_structures, num_values;
-
- data.best_profile = GST_VAAPI_PROFILE_UNKNOWN;
- data.best_score = 0;
-
- num_structures = gst_caps_get_size (caps);
- for (i = 0; i < num_structures; i++) {
- GstStructure *const structure = gst_caps_get_structure (caps, i);
- const GValue *const value = gst_structure_get_value (structure, "profile");
-
- if (!value)
- continue;
- if (G_VALUE_HOLDS_STRING (value))
- find_best_profile_value (&data, value);
- else if (GST_VALUE_HOLDS_LIST (value)) {
- num_values = gst_value_list_get_size (value);
- for (j = 0; j < num_values; j++)
- find_best_profile_value (&data, gst_value_list_get_value (value, j));
- }
- }
- return data.best_profile;
-}
-
-static gboolean
-gst_vaapiencode_h264_fei_set_config (GstVaapiEncode * base_encode)
-{
- GstVaapiEncoderH264Fei *const encoder =
- GST_VAAPI_ENCODER_H264_FEI (base_encode->encoder);
- GstCaps *allowed_caps;
- GstVaapiProfile profile;
-
- /* Check for the largest profile that is supported */
- allowed_caps =
- gst_pad_get_allowed_caps (GST_VAAPI_PLUGIN_BASE_SRC_PAD (base_encode));
- if (!allowed_caps)
- return TRUE;
-
- profile = find_best_profile (allowed_caps);
- gst_caps_unref (allowed_caps);
- if (profile) {
- GST_INFO ("using %s profile as target decoder constraints",
- gst_vaapi_utils_h264_get_profile_string (profile));
- if (!gst_vaapi_encoder_h264_fei_set_max_profile (encoder, profile))
- return FALSE;
- }
- return TRUE;
-}
-
-static GstCaps *
-gst_vaapiencode_h264_fei_get_caps (GstVaapiEncode * base_encode)
-{
- GstVaapiEncodeH264Fei *const encode =
- GST_VAAPIENCODE_H264_FEI_CAST (base_encode);
- GstCaps *caps, *allowed_caps;
-
- caps = gst_caps_from_string (GST_CODEC_CAPS);
-
- /* Check whether "stream-format" is avcC mode */
- allowed_caps =
- gst_pad_get_allowed_caps (GST_VAAPI_PLUGIN_BASE_SRC_PAD (encode));
- if (allowed_caps) {
- const char *stream_format = NULL;
- GstStructure *structure;
- guint i, num_structures;
-
- num_structures = gst_caps_get_size (allowed_caps);
- for (i = 0; !stream_format && i < num_structures; i++) {
- structure = gst_caps_get_structure (allowed_caps, i);
- if (!gst_structure_has_field_typed (structure, "stream-format",
- G_TYPE_STRING))
- continue;
- stream_format = gst_structure_get_string (structure, "stream-format");
- }
- encode->is_avc = stream_format && strcmp (stream_format, "avc") == 0;
- gst_caps_unref (allowed_caps);
- }
- gst_caps_set_simple (caps, "stream-format", G_TYPE_STRING,
- encode->is_avc ? "avc" : "byte-stream", NULL);
-
- base_encode->need_codec_data = encode->is_avc;
-
- /* XXX: update profile and level information */
- return caps;
-}
-
-static GstVaapiEncoder *
-gst_vaapiencode_h264_fei_alloc_encoder (GstVaapiEncode * base,
- GstVaapiDisplay * display)
-{
- return gst_vaapi_encoder_h264_fei_new (display);
-}
-
-/* h264 NAL byte stream operations */
-static guint8 *
-_h264_byte_stream_next_nal (guint8 * buffer, guint32 len, guint32 * nal_size)
-{
- const guint8 *cur = buffer;
- const guint8 *const end = buffer + len;
- guint8 *nal_start = NULL;
- guint32 flag = 0xFFFFFFFF;
- guint32 nal_start_len = 0;
-
- g_assert (buffer && nal_size);
- if (len < 3) {
- *nal_size = len;
- nal_start = (len ? buffer : NULL);
- return nal_start;
- }
-
- /*locate head postion */
- if (!buffer[0] && !buffer[1]) {
- if (buffer[2] == 1) { /* 0x000001 */
- nal_start_len = 3;
- } else if (!buffer[2] && len >= 4 && buffer[3] == 1) { /* 0x00000001 */
- nal_start_len = 4;
- }
- }
- nal_start = buffer + nal_start_len;
- cur = nal_start;
-
- /*find next nal start position */
- while (cur < end) {
- flag = ((flag << 8) | ((*cur++) & 0xFF));
- if ((flag & 0x00FFFFFF) == 0x00000001) {
- if (flag == 0x00000001)
- *nal_size = cur - 4 - nal_start;
- else
- *nal_size = cur - 3 - nal_start;
- break;
- }
- }
- if (cur >= end) {
- *nal_size = end - nal_start;
- if (nal_start >= end) {
- nal_start = NULL;
- }
- }
- return nal_start;
-}
-
-static inline void
-_start_code_to_size (guint8 nal_start_code[4], guint32 nal_size)
-{
- nal_start_code[0] = ((nal_size >> 24) & 0xFF);
- nal_start_code[1] = ((nal_size >> 16) & 0xFF);
- nal_start_code[2] = ((nal_size >> 8) & 0xFF);
- nal_start_code[3] = (nal_size & 0xFF);
-}
-
-static gboolean
-_h264_convert_byte_stream_to_avc (GstBuffer * buf)
-{
- GstMapInfo info;
- guint32 nal_size;
- guint8 *nal_start_code, *nal_body;
- guint8 *frame_end;
-
- g_assert (buf);
-
- if (!gst_buffer_map (buf, &info, GST_MAP_READ | GST_MAP_WRITE))
- return FALSE;
-
- nal_start_code = info.data;
- frame_end = info.data + info.size;
- nal_size = 0;
-
- while ((frame_end > nal_start_code) &&
- (nal_body = _h264_byte_stream_next_nal (nal_start_code,
- frame_end - nal_start_code, &nal_size)) != NULL) {
- if (!nal_size)
- goto error;
-
- g_assert (nal_body - nal_start_code == 4);
- _start_code_to_size (nal_start_code, nal_size);
- nal_start_code = nal_body + nal_size;
- }
- gst_buffer_unmap (buf, &info);
- return TRUE;
-
- /* ERRORS */
-error:
- {
- gst_buffer_unmap (buf, &info);
- return FALSE;
- }
-}
-
-static GstFlowReturn
-alloc_buffer (GstVaapiEncode * encode,
- GstVaapiCodedBuffer * coded_buf, GstBuffer ** outbuf_ptr)
-{
- GstVaapiEncoderH264Fei *const encoder =
- GST_VAAPI_ENCODER_H264_FEI (encode->encoder);
- GstBuffer *buf;
- gint32 buf_size;
- GstVaapiFeiMode fei_mode;
-
- g_return_val_if_fail (coded_buf != NULL, GST_FLOW_ERROR);
- g_return_val_if_fail (outbuf_ptr != NULL, GST_FLOW_ERROR);
-
- fei_mode = gst_vaapi_encoder_h264_fei_get_function_mode (encoder);
-
- if (fei_mode == GST_VAAPI_FEI_MODE_ENC)
- buf_size = 4; /* just avoid zero size buffer allocation */
- else
- buf_size = gst_vaapi_coded_buffer_get_size (coded_buf);
-
- if (buf_size <= 0)
- goto error_invalid_buffer;
-
- buf =
- gst_video_encoder_allocate_output_buffer (GST_VIDEO_ENCODER_CAST (encode),
- buf_size);
- if (!buf)
- goto error_create_buffer;
-
- /* There is no encoded output content in ENC only mode */
- if (fei_mode != GST_VAAPI_FEI_MODE_ENC) {
- if (!gst_vaapi_coded_buffer_copy_into (buf, coded_buf))
- goto error_copy_buffer;
- }
-
- *outbuf_ptr = buf;
- return GST_FLOW_OK;
-
- /* ERRORS */
-error_invalid_buffer:
- {
- GST_ERROR ("invalid GstVaapiCodedBuffer size (%d bytes)", buf_size);
- return GST_VAAPI_ENCODE_FLOW_MEM_ERROR;
- }
-error_create_buffer:
- {
- GST_ERROR ("failed to create output buffer of size %d", buf_size);
- return GST_VAAPI_ENCODE_FLOW_MEM_ERROR;
- }
-error_copy_buffer:
- {
- GST_ERROR ("failed to copy GstVaapiCodedBuffer data");
- gst_buffer_unref (buf);
- return GST_VAAPI_ENCODE_FLOW_MEM_ERROR;
- }
-}
-
-static GstFlowReturn
-gst_vaapiencode_h264_fei_alloc_buffer (GstVaapiEncode * base_encode,
- GstVaapiCodedBuffer * coded_buf, GstBuffer ** out_buffer_ptr)
-{
- GstVaapiEncodeH264Fei *const encode =
- GST_VAAPIENCODE_H264_FEI_CAST (base_encode);
- GstVaapiEncoderH264Fei *const encoder =
- GST_VAAPI_ENCODER_H264_FEI (base_encode->encoder);
- GstFlowReturn ret;
-
- g_return_val_if_fail (encoder != NULL, GST_FLOW_ERROR);
-
- ret = alloc_buffer (base_encode, coded_buf, out_buffer_ptr);
- if (ret != GST_FLOW_OK)
- return ret;
-
- if (!encode->is_avc)
- return GST_FLOW_OK;
-
- /* Convert to avcC format */
- if (!_h264_convert_byte_stream_to_avc (*out_buffer_ptr))
- goto error_convert_buffer;
- return GST_FLOW_OK;
-
- /* ERRORS */
-error_convert_buffer:
- {
- GST_ERROR ("failed to convert from bytestream format to avcC format");
- gst_buffer_replace (out_buffer_ptr, NULL);
- return GST_FLOW_ERROR;
- }
-}
-
-static gboolean
-gst_vaapiencode_h264_load_control_data (GstVaapiEncode * base_encode,
- GstVaapiFeiVideoMeta * feimeta, GstVaapiSurfaceProxy * proxy)
-{
- if (feimeta != NULL) {
- gst_vaapi_surface_proxy_set_fei_mb_code (proxy, feimeta->mbcode);
- gst_vaapi_surface_proxy_set_fei_mv (proxy, feimeta->mv);
- gst_vaapi_surface_proxy_set_fei_mv_predictor (proxy, feimeta->mvpred);
- gst_vaapi_surface_proxy_set_fei_mb_control (proxy, feimeta->mbcntrl);
- gst_vaapi_surface_proxy_set_fei_qp (proxy, feimeta->qp);
- gst_vaapi_surface_proxy_set_fei_distortion (proxy, feimeta->dist);
- }
- return TRUE;
-
-}
-
-static GstVaapiFeiVideoMeta *
-gst_vaapiencode_h264_save_stats_to_meta (GstVaapiEncode * base_encode,
- GstVaapiCodedBufferProxy * proxy)
-{
- GstVaapiEncoderH264Fei *const encoder =
- GST_VAAPI_ENCODER_H264_FEI (base_encode->encoder);
- GstVaapiFeiVideoMeta *feimeta = NULL;
- GstVaapiEncFeiMbCode *mbcode = NULL;
- GstVaapiEncFeiMv *mv = NULL;
- GstVaapiEncFeiDistortion *dist = NULL;
-
- if (!gst_vaapi_encoder_h264_is_fei_stats_out_enabled (encoder))
- return NULL;
-
- feimeta = gst_vaapi_fei_video_meta_new ();
- if (feimeta == NULL)
- return NULL;
-
- mbcode = gst_vaapi_coded_buffer_proxy_get_fei_mbcode (proxy);
- if (mbcode)
- feimeta->mbcode = (GstVaapiEncFeiMbCode *)
- gst_vaapi_fei_codec_object_ref ((GstVaapiFeiCodecObject *) mbcode);
-
- mv = gst_vaapi_coded_buffer_proxy_get_fei_mv (proxy);
- if (mv)
- feimeta->mv = (GstVaapiEncFeiMv *)
- gst_vaapi_fei_codec_object_ref ((GstVaapiFeiCodecObject *) mv);
-
- dist = gst_vaapi_coded_buffer_proxy_get_fei_distortion (proxy);
- if (dist)
- feimeta->dist = (GstVaapiEncFeiDistortion *)
- gst_vaapi_fei_codec_object_ref ((GstVaapiFeiCodecObject *) dist);
-
- return feimeta;
-}
-
-static void
-gst_vaapiencode_h264_fei_class_init (GstVaapiEncodeH264FeiClass * klass)
-{
- GObjectClass *const object_class = G_OBJECT_CLASS (klass);
- GstElementClass *const element_class = GST_ELEMENT_CLASS (klass);
- GstVaapiEncodeClass *const encode_class = GST_VAAPIENCODE_CLASS (klass);
- gpointer encoder_class;
-
- GST_DEBUG_CATEGORY_INIT (gst_vaapi_h264_fei_encode_debug,
- GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC);
-
- object_class->finalize = gst_vaapiencode_h264_fei_finalize;
- object_class->set_property = gst_vaapiencode_set_property_subclass;
- object_class->get_property = gst_vaapiencode_get_property_subclass;
-
- encode_class->set_config = gst_vaapiencode_h264_fei_set_config;
- encode_class->get_caps = gst_vaapiencode_h264_fei_get_caps;
- encode_class->alloc_encoder = gst_vaapiencode_h264_fei_alloc_encoder;
- encode_class->alloc_buffer = gst_vaapiencode_h264_fei_alloc_buffer;
-
- encode_class->load_control_data = gst_vaapiencode_h264_load_control_data;
- encode_class->save_stats_to_meta = gst_vaapiencode_h264_save_stats_to_meta;
-
- gst_element_class_set_static_metadata (element_class,
- "VA-API H264 FEI Advanced encoder (Experimental)",
- "Codec/Encoder/Video/Hardware",
- GST_PLUGIN_DESC,
- "Sreerenj Balachandran <sreerenj.balachandran@intel.com> ,"
- "Yi A Wang <yi.a.wang@intel.com>");
-
- /* sink pad */
- gst_element_class_add_static_pad_template (element_class,
- &gst_vaapiencode_h264_fei_sink_factory);
-
- /* src pad */
- gst_element_class_add_static_pad_template (element_class,
- &gst_vaapiencode_h264_fei_src_factory);
-
- encoder_class = g_type_class_ref (GST_TYPE_VAAPI_ENCODER_H264_FEI);
- g_assert (encoder_class);
- gst_vaapiencode_class_install_properties (encode_class, encoder_class);
- g_type_class_unref (encoder_class);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 17:31:59 +0000