mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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580 lines
16 KiB
C++
580 lines
16 KiB
C++
/* GStreamer
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* Copyright (C) 2020 Seungha Yang <seungha.yang@navercorp.com>
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* Copyright (C) 2020 Seungha Yang <seungha@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include "gstmfvideoenc.h"
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#include <wrl.h>
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using namespace Microsoft::WRL;
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GST_DEBUG_CATEGORY (gst_mf_video_enc_debug);
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#define GST_CAT_DEFAULT gst_mf_video_enc_debug
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#define gst_mf_video_enc_parent_class parent_class
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G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstMFVideoEnc, gst_mf_video_enc,
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GST_TYPE_VIDEO_ENCODER,
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GST_DEBUG_CATEGORY_INIT (gst_mf_video_enc_debug, "mfvideoenc", 0,
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"mfvideoenc"));
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static gboolean gst_mf_video_enc_open (GstVideoEncoder * enc);
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static gboolean gst_mf_video_enc_close (GstVideoEncoder * enc);
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static gboolean gst_mf_video_enc_set_format (GstVideoEncoder * enc,
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GstVideoCodecState * state);
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static GstFlowReturn gst_mf_video_enc_handle_frame (GstVideoEncoder * enc,
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GstVideoCodecFrame * frame);
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static GstFlowReturn gst_mf_video_enc_finish (GstVideoEncoder * enc);
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static gboolean gst_mf_video_enc_flush (GstVideoEncoder * enc);
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static void
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gst_mf_video_enc_class_init (GstMFVideoEncClass * klass)
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{
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GstVideoEncoderClass *videoenc_class = GST_VIDEO_ENCODER_CLASS (klass);
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videoenc_class->open = GST_DEBUG_FUNCPTR (gst_mf_video_enc_open);
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videoenc_class->close = GST_DEBUG_FUNCPTR (gst_mf_video_enc_close);
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videoenc_class->set_format = GST_DEBUG_FUNCPTR (gst_mf_video_enc_set_format);
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videoenc_class->handle_frame =
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GST_DEBUG_FUNCPTR (gst_mf_video_enc_handle_frame);
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videoenc_class->finish = GST_DEBUG_FUNCPTR (gst_mf_video_enc_finish);
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videoenc_class->flush = GST_DEBUG_FUNCPTR (gst_mf_video_enc_flush);
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gst_type_mark_as_plugin_api (GST_TYPE_MF_VIDEO_ENC, (GstPluginAPIFlags) 0);
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}
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static void
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gst_mf_video_enc_init (GstMFVideoEnc * self)
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{
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}
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static gboolean
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gst_mf_video_enc_open (GstVideoEncoder * enc)
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{
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GstMFVideoEnc *self = GST_MF_VIDEO_ENC (enc);
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GstMFVideoEncClass *klass = GST_MF_VIDEO_ENC_GET_CLASS (enc);
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GstMFTransformEnumParams enum_params = { 0, };
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MFT_REGISTER_TYPE_INFO output_type;
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gboolean ret;
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output_type.guidMajorType = MFMediaType_Video;
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output_type.guidSubtype = klass->codec_id;
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enum_params.category = MFT_CATEGORY_VIDEO_ENCODER;
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enum_params.enum_flags = klass->enum_flags;
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enum_params.output_typeinfo = &output_type;
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enum_params.device_index = klass->device_index;
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GST_DEBUG_OBJECT (self, "Create MFT with enum flags 0x%x, device index %d",
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klass->enum_flags, klass->device_index);
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self->transform = gst_mf_transform_new (&enum_params);
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ret = !!self->transform;
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if (!ret)
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GST_ERROR_OBJECT (self, "Cannot create MFT object");
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return ret;
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}
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static gboolean
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gst_mf_video_enc_close (GstVideoEncoder * enc)
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{
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GstMFVideoEnc *self = GST_MF_VIDEO_ENC (enc);
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gst_clear_object (&self->transform);
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if (self->input_state) {
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gst_video_codec_state_unref (self->input_state);
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self->input_state = NULL;
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}
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return TRUE;
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}
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static gboolean
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gst_mf_video_enc_set_format (GstVideoEncoder * enc, GstVideoCodecState * state)
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{
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GstMFVideoEnc *self = GST_MF_VIDEO_ENC (enc);
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GstMFVideoEncClass *klass = GST_MF_VIDEO_ENC_GET_CLASS (enc);
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GstVideoInfo *info = &state->info;
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ComPtr<IMFMediaType> in_type;
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ComPtr<IMFMediaType> out_type;
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GList *input_types = NULL;
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GList *iter;
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HRESULT hr;
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gint fps_n, fps_d;
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GST_DEBUG_OBJECT (self, "Set format");
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gst_mf_video_enc_finish (enc);
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if (self->input_state)
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gst_video_codec_state_unref (self->input_state);
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self->input_state = gst_video_codec_state_ref (state);
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if (!gst_mf_transform_open (self->transform)) {
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GST_ERROR_OBJECT (self, "Failed to open MFT");
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return FALSE;
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}
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hr = MFCreateMediaType (out_type.GetAddressOf ());
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if (!gst_mf_result (hr))
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return FALSE;
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hr = out_type->SetGUID (MF_MT_MAJOR_TYPE, MFMediaType_Video);
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if (!gst_mf_result (hr))
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return FALSE;
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if (klass->set_option) {
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if (!klass->set_option (self, out_type.Get ())) {
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GST_ERROR_OBJECT (self, "subclass failed to set option");
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return FALSE;
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}
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}
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fps_n = GST_VIDEO_INFO_FPS_N (info);
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fps_d = GST_VIDEO_INFO_FPS_D (info);
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if (fps_n == 0 || fps_d == 0) {
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fps_n = 0;
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fps_d = 1;
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}
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hr = MFSetAttributeRatio (out_type.Get (), MF_MT_FRAME_RATE, fps_n, fps_d);
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if (!gst_mf_result (hr)) {
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GST_ERROR_OBJECT (self,
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"Couldn't set framerate %d/%d, hr: 0x%x", (guint) hr);
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return FALSE;
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}
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hr = MFSetAttributeSize (out_type.Get (), MF_MT_FRAME_SIZE,
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GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info));
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if (!gst_mf_result (hr)) {
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GST_ERROR_OBJECT (self,
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"Couldn't set resolution %dx%d, hr: 0x%x", GST_VIDEO_INFO_WIDTH (info),
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GST_VIDEO_INFO_HEIGHT (info), (guint) hr);
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return FALSE;
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}
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hr = MFSetAttributeRatio (out_type.Get (), MF_MT_PIXEL_ASPECT_RATIO,
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GST_VIDEO_INFO_PAR_N (info), GST_VIDEO_INFO_PAR_D (info));
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if (!gst_mf_result (hr)) {
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GST_ERROR_OBJECT (self, "Couldn't set par %d/%d",
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GST_VIDEO_INFO_PAR_N (info), GST_VIDEO_INFO_PAR_D (info));
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return FALSE;
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}
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hr = out_type->SetUINT32 (MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive);
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if (!gst_mf_result (hr)) {
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GST_ERROR_OBJECT (self,
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"Couldn't set interlace mode, hr: 0x%x", (guint) hr);
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return FALSE;
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}
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if (!gst_mf_transform_set_output_type (self->transform, out_type.Get ())) {
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GST_ERROR_OBJECT (self, "Couldn't set output type");
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return FALSE;
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}
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if (!gst_mf_transform_get_input_available_types (self->transform,
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&input_types)) {
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GST_ERROR_OBJECT (self, "Couldn't get available input types");
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return FALSE;
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}
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for (iter = input_types; iter; iter = g_list_next (iter)) {
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GstVideoFormat format;
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GUID subtype;
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IMFMediaType *type = (IMFMediaType *) iter->data;
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hr = type->GetGUID (MF_MT_SUBTYPE, &subtype);
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if (!gst_mf_result (hr))
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continue;
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format = gst_mf_video_subtype_to_video_format (&subtype);
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if (format != GST_VIDEO_INFO_FORMAT (info))
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continue;
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in_type = type;
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}
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g_list_free_full (input_types, (GDestroyNotify) gst_mf_media_type_release);
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if (!in_type) {
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GST_ERROR_OBJECT (self,
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"Couldn't convert input caps %" GST_PTR_FORMAT " to media type",
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state->caps);
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return FALSE;
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}
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hr = MFSetAttributeSize (in_type.Get (), MF_MT_FRAME_SIZE,
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GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info));
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if (!gst_mf_result (hr)) {
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GST_ERROR_OBJECT (self, "Couldn't set frame size %dx%d",
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GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info));
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return FALSE;
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}
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hr = in_type->SetUINT32 (MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive);
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if (!gst_mf_result (hr)) {
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GST_ERROR_OBJECT (self,
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"Couldn't set interlace mode, hr: 0x%x", (guint) hr);
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return FALSE;
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}
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hr = MFSetAttributeRatio (in_type.Get (), MF_MT_PIXEL_ASPECT_RATIO,
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GST_VIDEO_INFO_PAR_N (info), GST_VIDEO_INFO_PAR_D (info));
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if (!gst_mf_result (hr)) {
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GST_ERROR_OBJECT (self, "Couldn't set par %d/%d",
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GST_VIDEO_INFO_PAR_N (info), GST_VIDEO_INFO_PAR_D (info));
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return FALSE;
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}
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hr = MFSetAttributeRatio (in_type.Get (), MF_MT_FRAME_RATE, fps_n, fps_d);
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if (!gst_mf_result (hr)) {
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GST_ERROR_OBJECT (self, "Couldn't set framerate ratio %d/%d", fps_n, fps_d);
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return FALSE;
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}
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hr = in_type->SetUINT32 (MF_MT_DEFAULT_STRIDE,
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GST_VIDEO_INFO_PLANE_STRIDE (info, 0));
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if (!gst_mf_result (hr)) {
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GST_ERROR_OBJECT (self, "Couldn't set default stride");
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return FALSE;
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}
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if (!gst_mf_transform_set_input_type (self->transform, in_type.Get ())) {
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GST_ERROR_OBJECT (self, "Couldn't set input media type");
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return FALSE;
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}
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g_assert (klass->set_src_caps != NULL);
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if (!klass->set_src_caps (self, self->input_state, out_type.Get ())) {
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GST_ERROR_OBJECT (self, "subclass couldn't set src caps");
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return FALSE;
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}
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return TRUE;
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}
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typedef struct
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{
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GstClockTime mf_pts;
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} GstMFVideoEncFrameData;
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static gboolean
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gst_mf_video_enc_process_input (GstMFVideoEnc * self,
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GstVideoCodecFrame * frame)
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{
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GstMFVideoEncClass *klass = GST_MF_VIDEO_ENC_GET_CLASS (self);
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HRESULT hr;
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ComPtr<IMFSample> sample;
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ComPtr<IMFMediaBuffer> media_buffer;
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GstVideoInfo *info = &self->input_state->info;
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gint i, j;
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BYTE *data;
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GstVideoFrame vframe;
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gboolean res = FALSE;
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gboolean unset_force_keyframe = FALSE;
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GstMFVideoEncFrameData *frame_data = NULL;
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if (!gst_video_frame_map (&vframe, info, frame->input_buffer, GST_MAP_READ)) {
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GST_ERROR_OBJECT (self, "Couldn't map input frame");
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return FALSE;
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}
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hr = MFCreateSample (sample.GetAddressOf ());
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if (!gst_mf_result (hr))
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goto done;
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hr = MFCreateMemoryBuffer (GST_VIDEO_INFO_SIZE (info),
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media_buffer.GetAddressOf ());
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if (!gst_mf_result (hr))
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goto done;
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hr = media_buffer->Lock (&data, NULL, NULL);
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if (!gst_mf_result (hr))
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goto done;
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for (i = 0; i < GST_VIDEO_INFO_N_PLANES (info); i++) {
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guint8 *src, *dst;
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gint src_stride, dst_stride;
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gint width;
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src = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (&vframe, i);
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dst = data + GST_VIDEO_INFO_PLANE_OFFSET (info, i);
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src_stride = GST_VIDEO_FRAME_PLANE_STRIDE (&vframe, i);
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dst_stride = GST_VIDEO_INFO_PLANE_STRIDE (info, i);
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width = GST_VIDEO_INFO_COMP_WIDTH (info, i)
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* GST_VIDEO_INFO_COMP_PSTRIDE (info, i);
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for (j = 0; j < GST_VIDEO_INFO_COMP_HEIGHT (info, i); j++) {
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memcpy (dst, src, width);
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src += src_stride;
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dst += dst_stride;
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}
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}
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media_buffer->Unlock ();
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hr = media_buffer->SetCurrentLength (GST_VIDEO_INFO_SIZE (info));
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if (!gst_mf_result (hr))
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goto done;
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hr = sample->AddBuffer (media_buffer.Get ());
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if (!gst_mf_result (hr))
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goto done;
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frame_data = g_new0 (GstMFVideoEncFrameData, 1);
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frame_data->mf_pts = frame->pts / 100;
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gst_video_codec_frame_set_user_data (frame,
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frame_data, (GDestroyNotify) g_free);
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hr = sample->SetSampleTime (frame_data->mf_pts);
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if (!gst_mf_result (hr))
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goto done;
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hr = sample->SetSampleDuration (
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GST_CLOCK_TIME_IS_VALID (frame->duration) ? frame->duration / 100 : 0);
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if (!gst_mf_result (hr))
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goto done;
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if (GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME (frame)) {
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if (klass->can_force_keyframe) {
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unset_force_keyframe =
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gst_mf_transform_set_codec_api_uint32 (self->transform,
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&CODECAPI_AVEncVideoForceKeyFrame, TRUE);
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} else {
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GST_WARNING_OBJECT (self, "encoder does not support force keyframe");
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}
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}
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if (!gst_mf_transform_process_input (self->transform, sample.Get ())) {
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GST_ERROR_OBJECT (self, "Failed to process input");
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goto done;
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}
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if (unset_force_keyframe) {
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gst_mf_transform_set_codec_api_uint32 (self->transform,
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&CODECAPI_AVEncVideoForceKeyFrame, FALSE);
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}
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res = TRUE;
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done:
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gst_video_frame_unmap (&vframe);
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return res;
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}
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static GstVideoCodecFrame *
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gst_mf_video_enc_find_output_frame (GstMFVideoEnc * self, UINT64 mf_dts,
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UINT64 mf_pts)
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{
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GList *l, *walk = gst_video_encoder_get_frames (GST_VIDEO_ENCODER (self));
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GstVideoCodecFrame *ret = NULL;
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for (l = walk; l; l = l->next) {
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GstVideoCodecFrame *frame = (GstVideoCodecFrame *) l->data;
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GstMFVideoEncFrameData *data = (GstMFVideoEncFrameData *)
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gst_video_codec_frame_get_user_data (frame);
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if (!data)
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continue;
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if (mf_dts == data->mf_pts) {
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ret = frame;
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break;
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}
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}
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/* find target with pts */
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if (!ret) {
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for (l = walk; l; l = l->next) {
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GstVideoCodecFrame *frame = (GstVideoCodecFrame *) l->data;
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GstMFVideoEncFrameData *data = (GstMFVideoEncFrameData *)
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gst_video_codec_frame_get_user_data (frame);
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if (!data)
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continue;
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if (mf_pts == data->mf_pts) {
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ret = frame;
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break;
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}
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}
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}
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if (ret) {
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gst_video_codec_frame_ref (ret);
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} else {
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/* just return the oldest one */
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ret = gst_video_encoder_get_oldest_frame (GST_VIDEO_ENCODER (self));
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}
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if (walk)
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g_list_free_full (walk, (GDestroyNotify) gst_video_codec_frame_unref);
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return ret;
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}
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static GstFlowReturn
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gst_mf_video_enc_process_output (GstMFVideoEnc * self)
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{
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HRESULT hr;
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BYTE *data;
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ComPtr<IMFMediaBuffer> media_buffer;
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ComPtr<IMFSample> sample;
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GstBuffer *buffer;
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GstFlowReturn res = GST_FLOW_ERROR;
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GstVideoCodecFrame *frame;
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LONGLONG sample_timestamp;
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LONGLONG sample_duration;
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UINT32 keyframe = FALSE;
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UINT64 mf_dts = GST_CLOCK_TIME_NONE;
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DWORD buffer_len;
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res = gst_mf_transform_get_output (self->transform, sample.GetAddressOf ());
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if (res != GST_FLOW_OK)
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return res;
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hr = sample->GetBufferByIndex (0, media_buffer.GetAddressOf ());
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if (!gst_mf_result (hr))
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return GST_FLOW_ERROR;
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hr = media_buffer->Lock (&data, NULL, &buffer_len);
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if (!gst_mf_result (hr))
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return GST_FLOW_ERROR;
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buffer = gst_buffer_new_allocate (NULL, buffer_len, NULL);
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gst_buffer_fill (buffer, 0, data, buffer_len);
|
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media_buffer->Unlock ();
|
|
|
|
sample->GetSampleTime (&sample_timestamp);
|
|
sample->GetSampleDuration (&sample_duration);
|
|
sample->GetUINT32 (MFSampleExtension_CleanPoint, &keyframe);
|
|
|
|
hr = sample->GetUINT64 (MFSampleExtension_DecodeTimestamp, &mf_dts);
|
|
if (FAILED (hr))
|
|
mf_dts = sample_timestamp;
|
|
|
|
frame = gst_mf_video_enc_find_output_frame (self,
|
|
mf_dts, (UINT64) sample_timestamp);
|
|
|
|
if (frame) {
|
|
if (keyframe) {
|
|
GST_DEBUG_OBJECT (self, "Keyframe pts %" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS (frame->pts));
|
|
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
|
|
GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
|
|
} else {
|
|
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
|
|
}
|
|
|
|
frame->pts = sample_timestamp * 100;
|
|
frame->dts = mf_dts * 100;
|
|
frame->duration = sample_duration * 100;
|
|
frame->output_buffer = buffer;
|
|
|
|
res = gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (self), frame);
|
|
} else {
|
|
GST_BUFFER_DTS (buffer) = mf_dts * 100;
|
|
GST_BUFFER_PTS (buffer) = sample_timestamp * 100;
|
|
GST_BUFFER_DURATION (buffer) = sample_duration * 100;
|
|
|
|
if (keyframe) {
|
|
GST_DEBUG_OBJECT (self, "Keyframe pts %" GST_TIME_FORMAT,
|
|
GST_BUFFER_PTS (buffer));
|
|
GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
|
|
} else {
|
|
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
|
|
}
|
|
|
|
res = gst_pad_push (GST_VIDEO_ENCODER_SRC_PAD (self), buffer);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_mf_video_enc_handle_frame (GstVideoEncoder * enc,
|
|
GstVideoCodecFrame * frame)
|
|
{
|
|
GstMFVideoEnc *self = GST_MF_VIDEO_ENC (enc);
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
|
|
if (!gst_mf_video_enc_process_input (self, frame)) {
|
|
GST_ERROR_OBJECT (self, "Failed to process input");
|
|
ret = GST_FLOW_ERROR;
|
|
goto done;
|
|
}
|
|
|
|
do {
|
|
ret = gst_mf_video_enc_process_output (self);
|
|
} while (ret == GST_FLOW_OK);
|
|
|
|
if (ret == GST_MF_TRANSFORM_FLOW_NEED_DATA)
|
|
ret = GST_FLOW_OK;
|
|
|
|
done:
|
|
gst_video_codec_frame_unref (frame);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_mf_video_enc_finish (GstVideoEncoder * enc)
|
|
{
|
|
GstMFVideoEnc *self = GST_MF_VIDEO_ENC (enc);
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
|
|
if (!self->transform)
|
|
return GST_FLOW_OK;
|
|
|
|
gst_mf_transform_drain (self->transform);
|
|
|
|
do {
|
|
ret = gst_mf_video_enc_process_output (self);
|
|
} while (ret == GST_FLOW_OK);
|
|
|
|
if (ret == GST_MF_TRANSFORM_FLOW_NEED_DATA)
|
|
ret = GST_FLOW_OK;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gst_mf_video_enc_flush (GstVideoEncoder * enc)
|
|
{
|
|
GstMFVideoEnc *self = GST_MF_VIDEO_ENC (enc);
|
|
|
|
if (!self->transform)
|
|
return TRUE;
|
|
|
|
gst_mf_transform_flush (self->transform);
|
|
|
|
return TRUE;
|
|
}
|