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mediafoundation: Add h264 encoder

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Add Media Foundation h264 encoder. If hardware encoders are available
on system, they will have higher rank than software encoder.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/760>
This commit is contained in:
Seungha Yang 2020-01-07 17:45:22 +09:00 committed by GStreamer Merge Bot
parent eece89042a
commit 9625d19279
9 changed files with 3437 additions and 11 deletions
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1395
sys/mediafoundation/gstmfh264enc.cpp Normal file
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33
sys/mediafoundation/gstmfh264enc.h Normal file
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/* GStreamer
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
* Copyright (C) 2020 Seungha Yang <seungha@centricular.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.
*/
#ifndef __GST_MF_H264_ENC_H__
#define __GST_MF_H264_ENC_H__
#include <gst/gst.h>
G_BEGIN_DECLS
void gst_mf_h264_enc_plugin_init (GstPlugin * plugin,
guint rank);
G_END_DECLS
#endif /* __GST_MF_H264_ENC_H__ */

929
sys/mediafoundation/gstmftransform.cpp Normal file
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/* GStreamer
* Copyright (C) 2020 Seungha Yang <seungha.yang@navercorp.com>
* Copyright (C) 2020 Seungha Yang <seungha@centricular.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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include "gstmftransform.h"
#include "gstmfutils.h"
#include <string.h>
#include <wrl.h>
using namespace Microsoft::WRL;
extern "C" {
GST_DEBUG_CATEGORY_EXTERN (gst_mf_transform_debug);
#define GST_CAT_DEFAULT gst_mf_transform_debug
}
enum
{
PROP_0,
PROP_DEVICE_NAME,
PROP_HARDWARE,
PROP_ENUM_PARAMS,
};
struct _GstMFTransform
{
GstObject object;
gboolean initialized;
GstMFTransformEnumParams enum_params;
gchar *device_name;
gboolean hardware;
IMFActivate *activate;
IMFTransform *transform;
ICodecAPI * codec_api;
IMFMediaEventGenerator *event_gen;
GQueue *output_queue;
DWORD input_id;
DWORD output_id;
gboolean need_start;
gint pending_need_input;
gint pending_have_output;
};
#define gst_mf_transform_parent_class parent_class
G_DEFINE_TYPE (GstMFTransform, gst_mf_transform, GST_TYPE_OBJECT);
static void gst_mf_transform_constructed (GObject * object);
static void gst_mf_transform_finalize (GObject * object);
static void gst_mf_transform_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static void gst_mf_transform_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void
gst_mf_transform_class_init (GstMFTransformClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->constructed = gst_mf_transform_constructed;
gobject_class->finalize = gst_mf_transform_finalize;
gobject_class->get_property = gst_mf_transform_get_property;
gobject_class->set_property = gst_mf_transform_set_property;
g_object_class_install_property (gobject_class, PROP_DEVICE_NAME,
g_param_spec_string ("device-name", "device-name",
"Device name", NULL,
(GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_HARDWARE,
g_param_spec_boolean ("hardware", "Hardware",
"Whether hardware device or not", FALSE,
(GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_ENUM_PARAMS,
g_param_spec_pointer ("enum-params", "Enum Params",
"GstMFTransformEnumParams for MFTEnumEx",
(GParamFlags) (G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS)));
}
static void
gst_mf_transform_init (GstMFTransform * self)
{
self->output_queue = g_queue_new ();
CoInitializeEx (NULL, COINIT_MULTITHREADED);
}
static void
gst_mf_transform_clear_enum_params (GstMFTransformEnumParams *params)
{
g_free (params->input_typeinfo);
params->input_typeinfo = NULL;
g_free (params->output_typeinfo);
params->output_typeinfo = NULL;
}
static void
release_mf_sample (IMFSample * sample)
{
if (sample)
sample->Release ();
}
static void
gst_mf_transform_finalize (GObject * object)
{
GstMFTransform *self = GST_MF_TRANSFORM (object);
gst_mf_transform_close (self);
if (self->activate)
self->activate->Release ();
gst_mf_transform_clear_enum_params (&self->enum_params);
g_free (self->device_name);
g_queue_free_full (self->output_queue, (GDestroyNotify) release_mf_sample);
CoUninitialize ();
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_mf_transform_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstMFTransform *self = GST_MF_TRANSFORM (object);
switch (prop_id) {
case PROP_DEVICE_NAME:
g_value_set_string (value, self->device_name);
break;
case PROP_HARDWARE:
g_value_set_boolean (value, self->hardware);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_mf_transform_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstMFTransform *self = GST_MF_TRANSFORM (object);
switch (prop_id) {
case PROP_ENUM_PARAMS:
{
GstMFTransformEnumParams *params;
params = (GstMFTransformEnumParams *) g_value_get_pointer (value);
gst_mf_transform_clear_enum_params (&self->enum_params);
self->enum_params.category = params->category;
self->enum_params.enum_flags = params->enum_flags;
self->enum_params.device_index = params->device_index;
if (params->input_typeinfo) {
self->enum_params.input_typeinfo = g_new0 (MFT_REGISTER_TYPE_INFO, 1);
memcpy (self->enum_params.input_typeinfo, params->input_typeinfo,
sizeof (MFT_REGISTER_TYPE_INFO));
}
if (params->output_typeinfo) {
self->enum_params.output_typeinfo = g_new0 (MFT_REGISTER_TYPE_INFO, 1);
memcpy (self->enum_params.output_typeinfo, params->output_typeinfo,
sizeof (MFT_REGISTER_TYPE_INFO));
}
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_mf_transform_constructed (GObject * object)
{
GstMFTransform *self = GST_MF_TRANSFORM (object);
HRESULT hr;
IMFActivate **devices = NULL;
UINT32 num_devices, i;
LPWSTR name = NULL;
hr = MFTEnumEx (self->enum_params.category, self->enum_params.enum_flags,
self->enum_params.input_typeinfo, self->enum_params.output_typeinfo,
&devices, &num_devices);
if (!gst_mf_result (hr)) {
GST_WARNING_OBJECT (self, "MFTEnumEx failure");
return;
}
if (num_devices == 0 || self->enum_params.device_index >= num_devices) {
GST_WARNING_OBJECT (self, "No available device at index %d",
self->enum_params.device_index);
for (i = 0; i < num_devices; i++) {
devices[i]->Release ();
}
CoTaskMemFree (devices);
return;
}
self->activate = devices[self->enum_params.device_index];
self->activate->AddRef ();
for (i = 0; i < num_devices; i++)
devices[i]->Release ();
hr = self->activate->GetAllocatedString (MFT_FRIENDLY_NAME_Attribute,
&name, NULL);
if (gst_mf_result (hr)) {
self->device_name = g_utf16_to_utf8 ((const gunichar2 *) name,
-1, NULL, NULL, NULL);
CoTaskMemFree (name);
GST_INFO_OBJECT (self, "Open device %s", self->device_name);
}
done:
CoTaskMemFree (devices);
self->hardware = ! !(self->enum_params.enum_flags & MFT_ENUM_FLAG_HARDWARE);
self->initialized = TRUE;
}
static HRESULT
gst_mf_transform_pop_event (GstMFTransform * self,
gboolean no_wait, MediaEventType * event_type)
{
ComPtr<IMFMediaEvent> event;
MediaEventType type;
HRESULT hr;
DWORD flags = 0;
if (!self->hardware || !self->event_gen)
return MF_E_NO_EVENTS_AVAILABLE;
if (no_wait)
flags = MF_EVENT_FLAG_NO_WAIT;
hr = self->event_gen->GetEvent (flags, event.GetAddressOf ());
if (hr == MF_E_NO_EVENTS_AVAILABLE)
return hr;
else if (!gst_mf_result (hr))
return hr;
hr = event->GetType (&type);
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "Failed to get event, hr: 0x%x", (guint) hr);
return hr;
}
*event_type = type;
return S_OK;
}
static void
gst_mf_transform_drain_all_events (GstMFTransform * self)
{
HRESULT hr;
if (!self->hardware)
return;
do {
MediaEventType type;
hr = gst_mf_transform_pop_event (self, TRUE, &type);
if (hr == MF_E_NO_EVENTS_AVAILABLE || !gst_mf_result (hr))
return;
switch (type) {
case METransformNeedInput:
self->pending_need_input++;
break;
case METransformHaveOutput:
self->pending_have_output++;
break;
default:
GST_DEBUG_OBJECT (self, "Unhandled event %d", type);
break;
}
} while (SUCCEEDED (hr));
}
static GstFlowReturn
gst_mf_transform_process_output (GstMFTransform * self)
{
DWORD status;
HRESULT hr;
IMFTransform *transform = self->transform;
DWORD stream_id = self->output_id;
MFT_OUTPUT_STREAM_INFO out_stream_info = { 0 };
MFT_OUTPUT_DATA_BUFFER out_data = { 0 };
hr = transform->GetOutputStreamInfo (stream_id, &out_stream_info);
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "Couldn't get output stream info");
return GST_FLOW_ERROR;
}
if ((out_stream_info.dwFlags & (MFT_OUTPUT_STREAM_PROVIDES_SAMPLES |
MFT_OUTPUT_STREAM_CAN_PROVIDE_SAMPLES)) == 0) {
ComPtr<IMFMediaBuffer> buffer;
ComPtr<IMFSample> new_sample;
hr = MFCreateMemoryBuffer (out_stream_info.cbSize,
buffer.GetAddressOf ());
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "Couldn't create memory buffer");
return GST_FLOW_ERROR;
}
hr = MFCreateSample (new_sample.GetAddressOf ());
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "Couldn't create sample");
return GST_FLOW_ERROR;
}
hr = new_sample->AddBuffer (buffer.Get ());
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "Couldn't add buffer to sample");
return GST_FLOW_ERROR;
}
out_data.pSample = new_sample.Detach ();
}
out_data.dwStreamID = stream_id;
hr = transform->ProcessOutput (0, 1, &out_data, &status);
if (self->hardware)
self->pending_have_output--;
if (hr == MF_E_TRANSFORM_NEED_MORE_INPUT) {
GST_LOG_OBJECT (self, "Need more input data");
return GST_MF_TRANSFORM_FLOW_NEED_DATA;
} else if (hr == MF_E_TRANSFORM_STREAM_CHANGE) {
ComPtr<IMFMediaType> output_type;
GST_DEBUG_OBJECT (self, "Stream change, set output type again");
hr = transform->GetOutputAvailableType (stream_id,
0, output_type.GetAddressOf ());
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "Couldn't get available output type");
return GST_FLOW_ERROR;
}
hr = transform->SetOutputType (stream_id, output_type.Get (), 0);
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "Couldn't set output type");
return GST_FLOW_ERROR;
}
return GST_MF_TRANSFORM_FLOW_NEED_DATA;
} else if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "ProcessOutput error");
if (out_data.pSample)
out_data.pSample->Release ();
return GST_FLOW_ERROR;
}
if (!out_data.pSample) {
GST_WARNING_OBJECT (self, "No output sample");
return GST_FLOW_OK;
}
g_queue_push_tail (self->output_queue, out_data.pSample);
return GST_FLOW_OK;
}
static gboolean
gst_mf_transform_process_input_sync (GstMFTransform * self,
IMFSample * sample)
{
HRESULT hr;
hr = self->transform->ProcessInput (self->output_id, sample, 0);
if (self->hardware)
self->pending_need_input--;
return gst_mf_result (hr);
}
gboolean
gst_mf_transform_process_input (GstMFTransform * object,
IMFSample * sample)
{
HRESULT hr;
GstFlowReturn ret;
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), FALSE);
g_return_val_if_fail (sample != NULL, FALSE);
if (!object->transform)
return FALSE;
if (object->need_start) {
hr = object->transform->ProcessMessage (MFT_MESSAGE_NOTIFY_START_OF_STREAM,
0);
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (object, "Cannot post start-of-stream message");
return FALSE;
}
hr = object->transform->ProcessMessage (MFT_MESSAGE_NOTIFY_BEGIN_STREAMING,
0);
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (object, "Cannot post begin-stream message");
return FALSE;
}
object->need_start = FALSE;
}
gst_mf_transform_drain_all_events (object);
if (object->hardware) {
while (object->pending_have_output > 0) {
ret = gst_mf_transform_process_output (object);
if (ret != GST_FLOW_OK) {
if (ret == GST_VIDEO_ENCODER_FLOW_NEED_DATA) {
ret = GST_FLOW_OK;
break;
} else {
return FALSE;
}
}
}
while (object->pending_need_input == 0) {
MediaEventType type;
HRESULT hr;
hr = gst_mf_transform_pop_event (object, FALSE, &type);
if (hr != MF_E_NO_EVENTS_AVAILABLE && !gst_mf_result (hr)) {
GST_DEBUG_OBJECT (object, "failed to pop event, hr: 0x%x", (guint) hr);
return FALSE;
}
switch (type) {
case METransformNeedInput:
object->pending_need_input++;
break;
case METransformHaveOutput:
object->pending_have_output++;
break;
default:
GST_DEBUG_OBJECT (object, "Unhandled event %d", type);
break;
}
}
}
return gst_mf_transform_process_input_sync (object, sample);
}
GstFlowReturn
gst_mf_transform_get_output (GstMFTransform * object,
IMFSample ** sample)
{
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), GST_FLOW_ERROR);
g_return_val_if_fail (sample != NULL, GST_FLOW_ERROR);
if (!object->transform)
return GST_FLOW_ERROR;
gst_mf_transform_drain_all_events (object);
if (!object->hardware || object->pending_have_output)
gst_mf_transform_process_output (object);
if (g_queue_is_empty (object->output_queue))
return GST_MF_TRANSFORM_FLOW_NEED_DATA;
*sample = (IMFSample *) g_queue_pop_head (object->output_queue);
return GST_FLOW_OK;
}
gboolean
gst_mf_transform_flush (GstMFTransform * object)
{
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), FALSE);
if (object->transform) {
if (!object->need_start)
object->transform->ProcessMessage (MFT_MESSAGE_COMMAND_FLUSH, 0);
object->pending_have_output = 0;
object->pending_need_input = 0;
}
object->need_start = TRUE;
while (!g_queue_is_empty (object->output_queue)) {
IMFSample *sample = (IMFSample *) g_queue_pop_head (object->output_queue);
sample->Release ();
}
return TRUE;
}
gboolean
gst_mf_transform_drain (GstMFTransform * object)
{
GstFlowReturn ret;
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), FALSE);
if (!object->transform)
return TRUE;
object->need_start = TRUE;
object->transform->ProcessMessage (MFT_MESSAGE_COMMAND_DRAIN, 0);
if (object->hardware) {
MediaEventType type;
HRESULT hr;
do {
hr = gst_mf_transform_pop_event (object, FALSE, &type);
if (hr != MF_E_NO_EVENTS_AVAILABLE && FAILED (hr)) {
GST_DEBUG_OBJECT (object, "failed to pop event, hr: 0x%x", (guint) hr);
break;
}
switch (type) {
case METransformNeedInput:
GST_DEBUG_OBJECT (object, "Ignore need input during finish");
break;
case METransformHaveOutput:
object->pending_have_output++;
gst_mf_transform_process_output (object);
break;
case METransformDrainComplete:
GST_DEBUG_OBJECT (object, "Drain complete");
return TRUE;
default:
GST_DEBUG_OBJECT (object, "Unhandled event %d", type);
break;
}
} while (SUCCEEDED (hr));
/* and drain all the other events if any */
gst_mf_transform_drain_all_events (object);
object->pending_have_output = 0;
object->pending_need_input = 0;
} else {
do {
ret = gst_mf_transform_process_output (object);
} while (ret == GST_FLOW_OK);
}
return TRUE;
}
gboolean
gst_mf_transform_open (GstMFTransform * object)
{
HRESULT hr;
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), FALSE);
gst_mf_transform_close (object);
hr = object->activate->ActivateObject (IID_IMFTransform,
(void **) &object->transform);
if (!gst_mf_result (hr)) {
GST_WARNING_OBJECT (object, "Couldn't open MFT");
return FALSE;
}
if (object->hardware) {
ComPtr<IMFAttributes> attr;
hr = object->transform->GetAttributes (attr.GetAddressOf ());
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (object, "Couldn't get attribute object");
goto error;
}
hr = attr->SetUINT32 (MF_TRANSFORM_ASYNC_UNLOCK, TRUE);
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (object, "MF_TRANSFORM_ASYNC_UNLOCK error");
goto error;
}
hr = object->transform->QueryInterface (IID_IMFMediaEventGenerator,
(void **) &object->event_gen);
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (object, "IMFMediaEventGenerator unavailable");
goto error;
}
}
hr = object->transform->GetStreamIDs (1, &object->input_id, 1,
&object->output_id);
if (hr == E_NOTIMPL) {
object->input_id = 0;
object->output_id = 0;
}
hr = object->transform->QueryInterface (IID_ICodecAPI,
(void **) &object->codec_api);
if (!gst_mf_result (hr)) {
GST_WARNING_OBJECT (object, "ICodecAPI is unavailable");
}
return TRUE;
error:
gst_mf_transform_close (object);
return FALSE;
}
gboolean
gst_mf_transform_close (GstMFTransform * object)
{
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), FALSE);
gst_mf_transform_flush (object);
if (object->event_gen) {
object->event_gen->Release ();
object->event_gen = NULL;
}
if (object->codec_api) {
object->codec_api->Release ();
object->codec_api = NULL;
}
if (object->transform) {
object->transform->Release ();
object->transform = NULL;
}
return TRUE;
}
IMFActivate *
gst_mf_transform_get_activate_handle (GstMFTransform * object)
{
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), NULL);
return object->activate;
}
IMFTransform *
gst_mf_transform_get_transform_handle (GstMFTransform * object)
{
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), NULL);
if (!object->transform) {
GST_WARNING_OBJECT (object,
"IMFTransform is not configured, open MFT first");
return NULL;
}
return object->transform;
}
ICodecAPI *
gst_mf_transform_get_codec_api_handle (GstMFTransform * object)
{
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), NULL);
if (!object->codec_api) {
GST_WARNING_OBJECT (object,
"ICodecAPI is not configured, open MFT first");
return NULL;
}
return object->codec_api;
}
gboolean
gst_mf_transform_get_input_available_types (GstMFTransform * object,
GList ** input_types)
{
IMFTransform *transform;
HRESULT hr;
DWORD index = 0;
GList *list = NULL;
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), FALSE);
g_return_val_if_fail (input_types != NULL, FALSE);
transform = object->transform;
if (!transform) {
GST_ERROR_OBJECT (object, "Should open first");
return FALSE;
}
do {
IMFMediaType *type = NULL;
hr = transform->GetInputAvailableType (object->input_id, index, &type);
if (SUCCEEDED (hr))
list = g_list_append (list, type);
index++;
} while (SUCCEEDED (hr));
*input_types = list;
return !!list;
}
gboolean
gst_mf_transform_get_output_available_types (GstMFTransform * object,
GList ** output_types)
{
IMFTransform *transform;
HRESULT hr;
DWORD index = 0;
GList *list = NULL;
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), FALSE);
g_return_val_if_fail (output_types != NULL, FALSE);
transform = object->transform;
if (!transform) {
GST_ERROR_OBJECT (object, "Should open first");
return FALSE;
}
do {
IMFMediaType *type;
hr = transform->GetOutputAvailableType (object->input_id, index, &type);
if (SUCCEEDED (hr))
list = g_list_append (list, type);
index++;
} while (SUCCEEDED (hr));
*output_types = list;
return !!list;
}
gboolean
gst_mf_transform_set_input_type (GstMFTransform * object,
IMFMediaType * input_type)
{
IMFTransform *transform;
HRESULT hr;
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), FALSE);
transform = object->transform;
if (!transform) {
GST_ERROR_OBJECT (object, "Should open first");
return FALSE;
}
hr = transform->SetInputType (object->input_id, input_type, 0);
if (!gst_mf_result (hr))
return FALSE;
return TRUE;
}
gboolean
gst_mf_transform_set_output_type (GstMFTransform * object,
IMFMediaType * output_type)
{
IMFTransform *transform;
HRESULT hr;
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), FALSE);
transform = object->transform;
if (!transform) {
GST_ERROR_OBJECT (object, "Should open first");
return FALSE;
}
hr = transform->SetOutputType (object->output_id, output_type, 0);
if (!gst_mf_result (hr)) {
return FALSE;
}
return TRUE;
}
GstMFTransform *
gst_mf_transform_new (GstMFTransformEnumParams * params)
{
GstMFTransform *self;
g_return_val_if_fail (params != NULL, NULL);
self = (GstMFTransform *) g_object_new (GST_TYPE_MF_TRANSFORM_OBJECT,
"enum-params", params, NULL);
if (!self->initialized) {
gst_object_unref (self);
return NULL;
}
gst_object_ref_sink (self);
return self;
}
gboolean
gst_mf_transform_set_codec_api_uint32 (GstMFTransform * object,
const GUID * api, guint32 value)
{
HRESULT hr;
VARIANT var;
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), FALSE);
g_return_val_if_fail (api != NULL, FALSE);
if (!object->codec_api) {
GST_WARNING_OBJECT (object, "codec api unavailable");
return FALSE;
}
VariantInit (&var);
var.vt = VT_UI4;
var.ulVal = value;
hr = object->codec_api->SetValue (api, &var);
VariantClear (&var);
return gst_mf_result (hr);
}
gboolean
gst_mf_transform_set_codec_api_uint64 (GstMFTransform * object,
const GUID * api, guint64 value)
{
HRESULT hr;
VARIANT var;
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), FALSE);
g_return_val_if_fail (api != NULL, FALSE);
if (!object->codec_api) {
GST_WARNING_OBJECT (object, "codec api unavailable");
return FALSE;
}
VariantInit (&var);
var.vt = VT_UI8;
var.ullVal = value;
hr = object->codec_api->SetValue (api, &var);
VariantClear (&var);
return gst_mf_result (hr);
}
gboolean
gst_mf_transform_set_codec_api_boolean (GstMFTransform * object,
const GUID * api, gboolean value)
{
HRESULT hr;
VARIANT var;
g_return_val_if_fail (GST_IS_MF_TRANSFORM (object), FALSE);
g_return_val_if_fail (api != NULL, FALSE);
if (!object->codec_api) {
GST_WARNING_OBJECT (object, "codec api unavailable");
return FALSE;
}
VariantInit (&var);
var.vt = VT_BOOL;
var.boolVal = value ? VARIANT_TRUE : VARIANT_FALSE;
hr = object->codec_api->SetValue (api, &var);
VariantClear (&var);
return gst_mf_result (hr);
}

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/* GStreamer
* Copyright (C) 2020 Seungha Yang <seungha.yang@navercorp.com>
* Copyright (C) 2020 Seungha Yang <seungha@centricular.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.
*/
#ifndef __GST_MF_TRANSFORM_OBJECT_H__
#define __GST_MF_TRANSFORM_OBJECT_H__
#include <gst/gst.h>
#include "gstmfutils.h"
#include <codecapi.h>
#include "gststrmif.h"
G_BEGIN_DECLS
#define GST_TYPE_MF_TRANSFORM_OBJECT (gst_mf_transform_get_type())
G_DECLARE_FINAL_TYPE (GstMFTransform, gst_mf_transform,
GST, MF_TRANSFORM, GstObject);
#define GST_MF_TRANSFORM_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
typedef struct _GstMFTransformEnumParams
{
GUID category;
guint32 enum_flags;
MFT_REGISTER_TYPE_INFO *input_typeinfo;
MFT_REGISTER_TYPE_INFO *output_typeinfo;
guint device_index;
} GstMFTransformEnumParams;
GstMFTransform * gst_mf_transform_new (GstMFTransformEnumParams * params);
gboolean gst_mf_transform_open (GstMFTransform * object);
gboolean gst_mf_transform_close (GstMFTransform * object);
IMFActivate * gst_mf_transform_get_activate_handle (GstMFTransform * object);
IMFTransform * gst_mf_transform_get_transform_handle (GstMFTransform * object);
ICodecAPI * gst_mf_transform_get_codec_api_handle (GstMFTransform * object);
gboolean gst_mf_transform_process_input (GstMFTransform * object,
IMFSample * sample);
GstFlowReturn gst_mf_transform_get_output (GstMFTransform * object,
IMFSample ** sample);
gboolean gst_mf_transform_flush (GstMFTransform * object);
gboolean gst_mf_transform_drain (GstMFTransform * object);
gboolean gst_mf_transform_get_input_available_types (GstMFTransform * object,
GList ** input_types);
gboolean gst_mf_transform_get_output_available_types (GstMFTransform * object,
GList ** output_types);
gboolean gst_mf_transform_set_input_type (GstMFTransform * object,
IMFMediaType * input_type);
gboolean gst_mf_transform_set_output_type (GstMFTransform * object,
IMFMediaType * output_type);
gboolean gst_mf_transform_set_codec_api_uint32 (GstMFTransform * object,
const GUID * api,
guint32 value);
gboolean gst_mf_transform_set_codec_api_uint64 (GstMFTransform * object,
const GUID * api,
guint64 value);
gboolean gst_mf_transform_set_codec_api_boolean (GstMFTransform * object,
const GUID * api,
gboolean value);
G_END_DECLS
#endif /* __GST_MF_TRANSFORM_OBJECT_H__ */

574
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/* GStreamer
* Copyright (C) 2020 Seungha Yang <seungha.yang@navercorp.com>
* Copyright (C) 2020 Seungha Yang <seungha@centricular.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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include "gstmfvideoenc.h"
#include <wrl.h>
using namespace Microsoft::WRL;
GST_DEBUG_CATEGORY (gst_mf_video_enc_debug);
#define GST_CAT_DEFAULT gst_mf_video_enc_debug
#define gst_mf_video_enc_parent_class parent_class
G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstMFVideoEnc, gst_mf_video_enc,
GST_TYPE_VIDEO_ENCODER,
GST_DEBUG_CATEGORY_INIT (gst_mf_video_enc_debug, "mfvideoenc", 0,
"mfvideoenc"));
static gboolean gst_mf_video_enc_open (GstVideoEncoder * enc);
static gboolean gst_mf_video_enc_close (GstVideoEncoder * enc);
static gboolean gst_mf_video_enc_set_format (GstVideoEncoder * enc,
GstVideoCodecState * state);
static GstFlowReturn gst_mf_video_enc_handle_frame (GstVideoEncoder * enc,
GstVideoCodecFrame * frame);
static GstFlowReturn gst_mf_video_enc_finish (GstVideoEncoder * enc);
static gboolean gst_mf_video_enc_flush (GstVideoEncoder * enc);
static void
gst_mf_video_enc_class_init (GstMFVideoEncClass * klass)
{
GstVideoEncoderClass *videoenc_class = GST_VIDEO_ENCODER_CLASS (klass);
videoenc_class->open = GST_DEBUG_FUNCPTR (gst_mf_video_enc_open);
videoenc_class->close = GST_DEBUG_FUNCPTR (gst_mf_video_enc_close);
videoenc_class->set_format = GST_DEBUG_FUNCPTR (gst_mf_video_enc_set_format);
videoenc_class->handle_frame =
GST_DEBUG_FUNCPTR (gst_mf_video_enc_handle_frame);
videoenc_class->finish = GST_DEBUG_FUNCPTR (gst_mf_video_enc_finish);
videoenc_class->flush = GST_DEBUG_FUNCPTR (gst_mf_video_enc_flush);
}
static void
gst_mf_video_enc_init (GstMFVideoEnc * self)
{
}
static gboolean
gst_mf_video_enc_open (GstVideoEncoder * enc)
{
GstMFVideoEnc *self = GST_MF_VIDEO_ENC (enc);
GstMFVideoEncClass *klass = GST_MF_VIDEO_ENC_GET_CLASS (enc);
GstMFTransformEnumParams enum_params = { 0, };
MFT_REGISTER_TYPE_INFO output_type;
gboolean ret;
output_type.guidMajorType = MFMediaType_Video;
output_type.guidSubtype = klass->codec_id;
enum_params.category = MFT_CATEGORY_VIDEO_ENCODER;
enum_params.enum_flags = klass->enum_flags;
enum_params.output_typeinfo = &output_type;
enum_params.device_index = klass->device_index;
GST_DEBUG_OBJECT (self, "Create MFT with enum flags 0x%x, device index %d",
klass->enum_flags, klass->device_index);
self->transform = gst_mf_transform_new (&enum_params);
ret = !!self->transform;
if (!ret)
GST_ERROR_OBJECT (self, "Cannot create MFT object");
return ret;
}
static gboolean
gst_mf_video_enc_close (GstVideoEncoder * enc)
{
GstMFVideoEnc *self = GST_MF_VIDEO_ENC (enc);
gst_clear_object (&self->transform);
if (self->input_state) {
gst_video_codec_state_unref (self->input_state);
self->input_state = NULL;
}
return TRUE;
}
static void
gst_mf_media_type_release (IMFMediaType * type)
{
if (type)
type->Release ();
}
static gboolean
gst_mf_video_enc_set_format (GstVideoEncoder * enc, GstVideoCodecState * state)
{
GstMFVideoEnc *self = GST_MF_VIDEO_ENC (enc);
GstMFVideoEncClass *klass = GST_MF_VIDEO_ENC_GET_CLASS (enc);
GstVideoInfo *info = &state->info;
ComPtr<IMFMediaType> in_type;
ComPtr<IMFMediaType> out_type;
GList *input_types = NULL;
GList *iter;
HRESULT hr;
gint fps_n, fps_d;
GST_DEBUG_OBJECT (self, "Set format");
gst_mf_video_enc_finish (enc);
if (self->input_state)
gst_video_codec_state_unref (self->input_state);
self->input_state = gst_video_codec_state_ref (state);
if (!gst_mf_transform_open (self->transform)) {
GST_ERROR_OBJECT (self, "Failed to open MFT");
return FALSE;
}
hr = MFCreateMediaType (out_type.GetAddressOf ());
if (!gst_mf_result (hr))
return FALSE;
hr = out_type->SetGUID (MF_MT_MAJOR_TYPE, MFMediaType_Video);
if (!gst_mf_result (hr))
return FALSE;
if (klass->set_option) {
if (!klass->set_option (self, out_type.Get ())) {
GST_ERROR_OBJECT (self, "subclass failed to set option");
return FALSE;
}
}
fps_n = GST_VIDEO_INFO_FPS_N (info);
fps_d = GST_VIDEO_INFO_FPS_D (info);
if (fps_n == 0 || fps_d == 0) {
fps_n = 0;
fps_d = 1;
}
hr = MFSetAttributeRatio (out_type.Get (), MF_MT_FRAME_RATE, fps_n, fps_d);
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self,
"Couldn't set framerate %d/%d, hr: 0x%x", (guint) hr);
return FALSE;
}
hr = MFSetAttributeSize (out_type.Get (), MF_MT_FRAME_SIZE,
GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info));
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self,
"Couldn't set resolution %dx%d, hr: 0x%x", GST_VIDEO_INFO_WIDTH (info),
GST_VIDEO_INFO_HEIGHT (info), (guint) hr);
return FALSE;
}
hr = out_type->SetUINT32 (MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive);
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self,
"Couldn't set interlace mode, hr: 0x%x", (guint) hr);
return FALSE;
}
if (!gst_mf_transform_set_output_type (self->transform, out_type.Get ())) {
GST_ERROR_OBJECT (self, "Couldn't set output type");
return FALSE;
}
if (!gst_mf_transform_get_input_available_types (self->transform,
&input_types)) {
GST_ERROR_OBJECT (self, "Couldn't get available input types");
return FALSE;
}
for (iter = input_types; iter; iter = g_list_next (iter)) {
GstVideoFormat format;
GUID subtype;
IMFMediaType *type = (IMFMediaType *) iter->data;
hr = type->GetGUID (MF_MT_SUBTYPE, &subtype);
if (!gst_mf_result (hr))
continue;
format = gst_mf_video_subtype_to_video_format (&subtype);
if (format != GST_VIDEO_INFO_FORMAT (info))
continue;
in_type = type;
}
g_list_free_full (input_types, (GDestroyNotify) gst_mf_media_type_release);
if (!in_type) {
GST_ERROR_OBJECT (self,
"Couldn't convert input caps %" GST_PTR_FORMAT " to media type",
state->caps);
return FALSE;
}
hr = MFSetAttributeSize (in_type.Get (), MF_MT_FRAME_SIZE,
GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info));
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "Couldn't set frame size %dx%d",
GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info));
return FALSE;
}
hr = in_type->SetUINT32 (MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive);
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self,
"Couldn't set interlace mode, hr: 0x%x", (guint) hr);
return FALSE;
}
hr = MFSetAttributeRatio (in_type.Get (), MF_MT_PIXEL_ASPECT_RATIO,
GST_VIDEO_INFO_PAR_N (info), GST_VIDEO_INFO_PAR_D (info));
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "Couldn't set par %d/%d",
GST_VIDEO_INFO_PAR_N (info), GST_VIDEO_INFO_PAR_D (info));
return FALSE;
}
hr = MFSetAttributeRatio (in_type.Get (), MF_MT_FRAME_RATE, fps_n, fps_d);
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "Couldn't set framerate ratio %d/%d", fps_n, fps_d);
return FALSE;
}
hr = in_type->SetUINT32 (MF_MT_DEFAULT_STRIDE,
GST_VIDEO_INFO_PLANE_STRIDE (info, 0));
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "Couldn't set default stride");
return FALSE;
}
if (!gst_mf_transform_set_input_type (self->transform, in_type.Get ())) {
GST_ERROR_OBJECT (self, "Couldn't set input media type");
return FALSE;
}
g_assert (klass->set_src_caps != NULL);
if (!klass->set_src_caps (self, self->input_state, out_type.Get ())) {
GST_ERROR_OBJECT (self, "subclass couldn't set src caps");
return FALSE;
}
return TRUE;
}
typedef struct
{
GstClockTime mf_pts;
} GstMFVideoEncFrameData;
static gboolean
gst_mf_video_enc_process_input (GstMFVideoEnc * self,
GstVideoCodecFrame * frame)
{
GstMFVideoEncClass *klass = GST_MF_VIDEO_ENC_GET_CLASS (self);
HRESULT hr;
ComPtr<IMFSample> sample;
ComPtr<IMFMediaBuffer> media_buffer;
GstVideoInfo *info = &self->input_state->info;
gint i, j;
BYTE *data;
GstVideoFrame vframe;
gboolean res = FALSE;
gboolean unset_force_keyframe = FALSE;
GstMFVideoEncFrameData *frame_data = NULL;
if (!gst_video_frame_map (&vframe, info, frame->input_buffer, GST_MAP_READ)) {
GST_ERROR_OBJECT (self, "Couldn't map input frame");
gst_video_codec_frame_unref (frame);
return FALSE;
}
hr = MFCreateSample (sample.GetAddressOf ());
if (!gst_mf_result (hr))
goto done;
hr = MFCreateMemoryBuffer (GST_VIDEO_INFO_SIZE (info),
media_buffer.GetAddressOf ());
if (!gst_mf_result (hr))
goto done;
hr = media_buffer->Lock (&data, NULL, NULL);
if (!gst_mf_result (hr))
goto done;
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (info); i++) {
guint8 *src, *dst;
gint src_stride, dst_stride;
gint width;
src = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (&vframe, i);
dst = data + GST_VIDEO_INFO_PLANE_OFFSET (info, i);
src_stride = GST_VIDEO_FRAME_PLANE_STRIDE (&vframe, i);
dst_stride = GST_VIDEO_INFO_PLANE_STRIDE (info, i);
width = GST_VIDEO_INFO_COMP_WIDTH (info, i)
* GST_VIDEO_INFO_COMP_PSTRIDE (info, i);
for (j = 0; j < GST_VIDEO_INFO_COMP_HEIGHT (info, i); j++) {
memcpy (dst, src, width);
src += src_stride;
dst += dst_stride;
}
}
media_buffer->Unlock ();
hr = media_buffer->SetCurrentLength (GST_VIDEO_INFO_SIZE (info));
if (!gst_mf_result (hr))
goto done;
hr = sample->AddBuffer (media_buffer.Get ());
if (!gst_mf_result (hr))
goto done;
frame_data = g_new0 (GstMFVideoEncFrameData, 1);
frame_data->mf_pts = frame->pts / 100;
gst_video_codec_frame_set_user_data (frame,
frame_data, (GDestroyNotify) g_free);
hr = sample->SetSampleTime (frame_data->mf_pts);
if (!gst_mf_result (hr))
goto done;
hr = sample->SetSampleDuration (
GST_CLOCK_TIME_IS_VALID (frame->duration) ? frame->duration / 100 : 0);
if (!gst_mf_result (hr))
goto done;
if (GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME (frame)) {
if (klass->can_force_keyframe) {
unset_force_keyframe =
gst_mf_transform_set_codec_api_uint32 (self->transform,
&CODECAPI_AVEncVideoForceKeyFrame, TRUE);
} else {
GST_WARNING_OBJECT (self, "encoder does not support force keyframe");
}
}
if (!gst_mf_transform_process_input (self->transform, sample.Get ())) {
GST_ERROR_OBJECT (self, "Failed to process input");
goto done;
}
if (unset_force_keyframe) {
gst_mf_transform_set_codec_api_uint32 (self->transform,
&CODECAPI_AVEncVideoForceKeyFrame, FALSE);
}
res = TRUE;
done:
gst_video_frame_unmap (&vframe);
return res;
}
static GstVideoCodecFrame *
gst_mf_video_enc_find_output_frame (GstMFVideoEnc * self, UINT64 mf_dts,
UINT64 mf_pts)
{
GList *l, *walk = gst_video_encoder_get_frames (GST_VIDEO_ENCODER (self));
GstVideoCodecFrame *ret = NULL;
for (l = walk; l; l = l->next) {
GstVideoCodecFrame *frame = (GstVideoCodecFrame *) l->data;
GstMFVideoEncFrameData *data = (GstMFVideoEncFrameData *)
gst_video_codec_frame_get_user_data (frame);
if (!data)
continue;
if (mf_dts == data->mf_pts) {
ret = frame;
break;
}
}
/* find target with pts */
if (!ret) {
for (l = walk; l; l = l->next) {
GstVideoCodecFrame *frame = (GstVideoCodecFrame *) l->data;
GstMFVideoEncFrameData *data = (GstMFVideoEncFrameData *)
gst_video_codec_frame_get_user_data (frame);
if (!data)
continue;
if (mf_pts == data->mf_pts) {
ret = frame;
break;
}
}
}
if (ret) {
gst_video_codec_frame_ref (ret);
} else {
/* just return the oldest one */
ret = gst_video_encoder_get_oldest_frame (GST_VIDEO_ENCODER (self));
}
if (walk)
g_list_free_full (walk, (GDestroyNotify) gst_video_codec_frame_unref);
return ret;
}
static GstFlowReturn
gst_mf_video_enc_process_output (GstMFVideoEnc * self)
{
HRESULT hr;
BYTE *data;
ComPtr<IMFMediaBuffer> media_buffer;
ComPtr<IMFSample> sample;
GstBuffer *buffer;
GstFlowReturn res = GST_FLOW_ERROR;
GstVideoCodecFrame *frame;
LONGLONG sample_timestamp;
LONGLONG sample_duration;
UINT32 keyframe = FALSE;
UINT64 mf_dts = GST_CLOCK_TIME_NONE;
DWORD buffer_len;
res = gst_mf_transform_get_output (self->transform, sample.GetAddressOf ());
if (res != GST_FLOW_OK)
return res;
hr = sample->GetBufferByIndex (0, media_buffer.GetAddressOf ());
if (!gst_mf_result (hr))
return GST_FLOW_ERROR;
hr = media_buffer->Lock (&data, NULL, &buffer_len);
if (!gst_mf_result (hr))
return GST_FLOW_ERROR;
buffer = gst_buffer_new_allocate (NULL, buffer_len, NULL);
gst_buffer_fill (buffer, 0, data, buffer_len);
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;
if (!gst_mf_video_enc_process_input (self, frame)) {
GST_ERROR_OBJECT (self, "Failed to process input");
return GST_FLOW_ERROR;
}
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 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;
}

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/* GStreamer
* Copyright (C) 2020 Seungha Yang <seungha.yang@navercorp.com>
* Copyright (C) 2020 Seungha Yang <seungha@centricular.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.
*/
#ifndef __GST_MF_VIDEO_ENC_H__
#define __GST_MF_VIDEO_ENC_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include "gstmfutils.h"
#include "gstmftransform.h"
G_BEGIN_DECLS
#define GST_TYPE_MF_VIDEO_ENC (gst_mf_video_enc_get_type())
#define GST_MF_VIDEO_ENC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MF_VIDEO_ENC,GstMFVideoEnc))
#define GST_MF_VIDEO_ENC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_MF_VIDEO_ENC,GstMFVideoEncClass))
#define GST_MF_VIDEO_ENC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_MF_VIDEO_ENC,GstMFVideoEncClass))
#define GST_IS_MF_VIDEO_ENC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MF_VIDEO_ENC))
#define GST_IS_MF_VIDEO_ENC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_MF_VIDEO_ENC))
typedef struct _GstMFVideoEnc GstMFVideoEnc;
typedef struct _GstMFVideoEncClass GstMFVideoEncClass;
struct _GstMFVideoEnc
{
GstVideoEncoder parent;
GstMFTransform *transform;
GstVideoCodecState *input_state;
};
struct _GstMFVideoEncClass
{
GstVideoEncoderClass parent_class;
GUID codec_id;
guint32 enum_flags;
guint device_index;
gboolean can_force_keyframe;
gboolean (*set_option) (GstMFVideoEnc * mfenc,
IMFMediaType * output_type);
gboolean (*set_src_caps) (GstMFVideoEnc * mfenc,
GstVideoCodecState * state,
IMFMediaType * output_type);
};
GType gst_mf_video_enc_get_type (void);
G_END_DECLS
#endif /* __GST_MF_VIDEO_ENC_H__ */

305
sys/mediafoundation/gststrmif.h Normal file
View file

@ -0,0 +1,305 @@
/* GStreamer
* Copyright (C) 2020 Seungha Yang <seungha.yang@navercorp.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.
*/
#ifndef __GST_STRMIF_H__
#define __GST_STRMIF_H__
#include <strmif.h>
/* From strmif.h.
* ICodecAPI interface will not be exposed
* for the !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) case
* but MSDN said the interface should be available on both
* desktop and UWP cases */
#ifndef __ICodecAPI_INTERFACE_DEFINED__
#define __ICodecAPI_INTERFACE_DEFINED__
/* interface ICodecAPI */
/* [unique][uuid][object][local] */
EXTERN_C const IID IID_ICodecAPI;
#if defined(__cplusplus) && !defined(CINTERFACE)
MIDL_INTERFACE("901db4c7-31ce-41a2-85dc-8fa0bf41b8da")
ICodecAPI : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE IsSupported(
/* [in] */ const GUID *Api) = 0;
virtual HRESULT STDMETHODCALLTYPE IsModifiable(
/* [in] */ const GUID *Api) = 0;
virtual HRESULT STDMETHODCALLTYPE GetParameterRange(
/* [in] */ const GUID *Api,
/* [annotation][out] */
_Out_ VARIANT *ValueMin,
/* [annotation][out] */
_Out_ VARIANT *ValueMax,
/* [annotation][out] */
_Out_ VARIANT *SteppingDelta) = 0;
virtual HRESULT STDMETHODCALLTYPE GetParameterValues(
/* [in] */ const GUID *Api,
/* [annotation][size_is][size_is][out] */
_Outptr_result_buffer_all_(*ValuesCount) VARIANT **Values,
/* [annotation][out] */
_Out_ ULONG *ValuesCount) = 0;
virtual HRESULT STDMETHODCALLTYPE GetDefaultValue(
/* [in] */ const GUID *Api,
/* [annotation][out] */
_Out_ VARIANT *Value) = 0;
virtual HRESULT STDMETHODCALLTYPE GetValue(
/* [in] */ const GUID *Api,
/* [annotation][out] */
_Out_ VARIANT *Value) = 0;
virtual HRESULT STDMETHODCALLTYPE SetValue(
/* [in] */ const GUID *Api,
/* [annotation][in] */
_In_ VARIANT *Value) = 0;
virtual HRESULT STDMETHODCALLTYPE RegisterForEvent(
/* [in] */ const GUID *Api,
/* [in] */ LONG_PTR userData) = 0;
virtual HRESULT STDMETHODCALLTYPE UnregisterForEvent(
/* [in] */ const GUID *Api) = 0;
virtual HRESULT STDMETHODCALLTYPE SetAllDefaults( void) = 0;
virtual HRESULT STDMETHODCALLTYPE SetValueWithNotify(
/* [in] */ const GUID *Api,
/* [in] */ VARIANT *Value,
/* [annotation][size_is][size_is][out] */
_Outptr_result_buffer_all_(*ChangedParamCount) GUID **ChangedParam,
/* [annotation][out] */
_Out_ ULONG *ChangedParamCount) = 0;
virtual HRESULT STDMETHODCALLTYPE SetAllDefaultsWithNotify(
/* [annotation][size_is][size_is][out] */
_Outptr_result_buffer_all_(*ChangedParamCount) GUID **ChangedParam,
/* [annotation][out] */
_Out_ ULONG *ChangedParamCount) = 0;
virtual HRESULT STDMETHODCALLTYPE GetAllSettings(
/* [in] */ IStream *__MIDL__ICodecAPI0000) = 0;
virtual HRESULT STDMETHODCALLTYPE SetAllSettings(
/* [in] */ IStream *__MIDL__ICodecAPI0001) = 0;
virtual HRESULT STDMETHODCALLTYPE SetAllSettingsWithNotify(
IStream *__MIDL__ICodecAPI0002,
/* [annotation][size_is][size_is][out] */
_Outptr_result_buffer_all_(*ChangedParamCount) GUID **ChangedParam,
/* [annotation][out] */
_Out_ ULONG *ChangedParamCount) = 0;
};
#else /* C style interface */
typedef struct ICodecAPIVtbl
{
BEGIN_INTERFACE
HRESULT ( STDMETHODCALLTYPE *QueryInterface )(
ICodecAPI * This,
/* [in] */ REFIID riid,
/* [annotation][iid_is][out] */
_COM_Outptr_ void **ppvObject);
ULONG ( STDMETHODCALLTYPE *AddRef )(
ICodecAPI * This);
ULONG ( STDMETHODCALLTYPE *Release )(
ICodecAPI * This);
HRESULT ( STDMETHODCALLTYPE *IsSupported )(
ICodecAPI * This,
/* [in] */ const GUID *Api);
HRESULT ( STDMETHODCALLTYPE *IsModifiable )(
ICodecAPI * This,
/* [in] */ const GUID *Api);
HRESULT ( STDMETHODCALLTYPE *GetParameterRange )(
ICodecAPI * This,
/* [in] */ const GUID *Api,
/* [annotation][out] */
_Out_ VARIANT *ValueMin,
/* [annotation][out] */
_Out_ VARIANT *ValueMax,
/* [annotation][out] */
_Out_ VARIANT *SteppingDelta);
HRESULT ( STDMETHODCALLTYPE *GetParameterValues )(
ICodecAPI * This,
/* [in] */ const GUID *Api,
/* [annotation][size_is][size_is][out] */
_Outptr_result_buffer_all_(*ValuesCount) VARIANT **Values,
/* [annotation][out] */
_Out_ ULONG *ValuesCount);
HRESULT ( STDMETHODCALLTYPE *GetDefaultValue )(
ICodecAPI * This,
/* [in] */ const GUID *Api,
/* [annotation][out] */
_Out_ VARIANT *Value);
HRESULT ( STDMETHODCALLTYPE *GetValue )(
ICodecAPI * This,
/* [in] */ const GUID *Api,
/* [annotation][out] */
_Out_ VARIANT *Value);
HRESULT ( STDMETHODCALLTYPE *SetValue )(
ICodecAPI * This,
/* [in] */ const GUID *Api,
/* [annotation][in] */
_In_ VARIANT *Value);
HRESULT ( STDMETHODCALLTYPE *RegisterForEvent )(
ICodecAPI * This,
/* [in] */ const GUID *Api,
/* [in] */ LONG_PTR userData);
HRESULT ( STDMETHODCALLTYPE *UnregisterForEvent )(
ICodecAPI * This,
/* [in] */ const GUID *Api);
HRESULT ( STDMETHODCALLTYPE *SetAllDefaults )(
ICodecAPI * This);
HRESULT ( STDMETHODCALLTYPE *SetValueWithNotify )(
ICodecAPI * This,
/* [in] */ const GUID *Api,
/* [in] */ VARIANT *Value,
/* [annotation][size_is][size_is][out] */
_Outptr_result_buffer_all_(*ChangedParamCount) GUID **ChangedParam,
/* [annotation][out] */
_Out_ ULONG *ChangedParamCount);
HRESULT ( STDMETHODCALLTYPE *SetAllDefaultsWithNotify )(
ICodecAPI * This,
/* [annotation][size_is][size_is][out] */
_Outptr_result_buffer_all_(*ChangedParamCount) GUID **ChangedParam,
/* [annotation][out] */
_Out_ ULONG *ChangedParamCount);
HRESULT ( STDMETHODCALLTYPE *GetAllSettings )(
ICodecAPI * This,
/* [in] */ IStream *__MIDL__ICodecAPI0000);
HRESULT ( STDMETHODCALLTYPE *SetAllSettings )(
ICodecAPI * This,
/* [in] */ IStream *__MIDL__ICodecAPI0001);
HRESULT ( STDMETHODCALLTYPE *SetAllSettingsWithNotify )(
ICodecAPI * This,
IStream *__MIDL__ICodecAPI0002,
/* [annotation][size_is][size_is][out] */
_Outptr_result_buffer_all_(*ChangedParamCount) GUID **ChangedParam,
/* [annotation][out] */
_Out_ ULONG *ChangedParamCount);
END_INTERFACE
} ICodecAPIVtbl;
interface ICodecAPI
{
CONST_VTBL struct ICodecAPIVtbl *lpVtbl;
};
#ifdef COBJMACROS
#define ICodecAPI_QueryInterface(This,riid,ppvObject) \
( (This)->lpVtbl -> QueryInterface(This,riid,ppvObject) )
#define ICodecAPI_AddRef(This) \
( (This)->lpVtbl -> AddRef(This) )
#define ICodecAPI_Release(This) \
( (This)->lpVtbl -> Release(This) )
#define ICodecAPI_IsSupported(This,Api) \
( (This)->lpVtbl -> IsSupported(This,Api) )
#define ICodecAPI_IsModifiable(This,Api) \
( (This)->lpVtbl -> IsModifiable(This,Api) )
#define ICodecAPI_GetParameterRange(This,Api,ValueMin,ValueMax,SteppingDelta) \
( (This)->lpVtbl -> GetParameterRange(This,Api,ValueMin,ValueMax,SteppingDelta) )
#define ICodecAPI_GetParameterValues(This,Api,Values,ValuesCount) \
( (This)->lpVtbl -> GetParameterValues(This,Api,Values,ValuesCount) )
#define ICodecAPI_GetDefaultValue(This,Api,Value) \
( (This)->lpVtbl -> GetDefaultValue(This,Api,Value) )
#define ICodecAPI_GetValue(This,Api,Value) \
( (This)->lpVtbl -> GetValue(This,Api,Value) )
#define ICodecAPI_SetValue(This,Api,Value) \
( (This)->lpVtbl -> SetValue(This,Api,Value) )
#define ICodecAPI_RegisterForEvent(This,Api,userData) \
( (This)->lpVtbl -> RegisterForEvent(This,Api,userData) )
#define ICodecAPI_UnregisterForEvent(This,Api) \
( (This)->lpVtbl -> UnregisterForEvent(This,Api) )
#define ICodecAPI_SetAllDefaults(This) \
( (This)->lpVtbl -> SetAllDefaults(This) )
#define ICodecAPI_SetValueWithNotify(This,Api,Value,ChangedParam,ChangedParamCount) \
( (This)->lpVtbl -> SetValueWithNotify(This,Api,Value,ChangedParam,ChangedParamCount) )
#define ICodecAPI_SetAllDefaultsWithNotify(This,ChangedParam,ChangedParamCount) \
( (This)->lpVtbl -> SetAllDefaultsWithNotify(This,ChangedParam,ChangedParamCount) )
#define ICodecAPI_GetAllSettings(This,__MIDL__ICodecAPI0000) \
( (This)->lpVtbl -> GetAllSettings(This,__MIDL__ICodecAPI0000) )
#define ICodecAPI_SetAllSettings(This,__MIDL__ICodecAPI0001) \
( (This)->lpVtbl -> SetAllSettings(This,__MIDL__ICodecAPI0001) )
#define ICodecAPI_SetAllSettingsWithNotify(This,__MIDL__ICodecAPI0002,ChangedParam,ChangedParamCount) \
( (This)->lpVtbl -> SetAllSettingsWithNotify(This,__MIDL__ICodecAPI0002,ChangedParam,ChangedParamCount) )
#endif /* COBJMACROS */
#endif /* C style interface */
#endif /* __ICodecAPI_INTERFACE_DEFINED__ */
#endif /* __GST_STRMIF_H__ */

24
sys/mediafoundation/meson.build
View file

@ -1,6 +1,12 @@
mf_sources = [
'plugin.c',
'gstmfutils.cpp',
'gstmftransform.cpp',
'gstmfvideoenc.cpp',
'gstmfh264enc.cpp',
]
mf_desktop_sources = [
'gstmfvideosrc.c',
'gstmfsourceobject.c',
'gstmfsourcereader.cpp',
@ -13,6 +19,7 @@ mf_header_deps = [
'mferror.h',
'strmif.h',
'mfobjects.h',
'codecapi.h',
]
winapi_desktop = false
@ -70,16 +77,13 @@ winapi_desktop = cxx.compiles('''#include <winapifamily.h>
#endif''',
dependencies: mf_lib_deps,
name: 'checking if building for Win32')
if not winapi_desktop
if mf_option.enabled()
error('The mediafoundation plugin was enabled explicitly, build target is not desktop app.')
endif
subdir_done()
endif
have_capture_engine = cc.has_header('mfcaptureengine.h')
if have_capture_engine
mf_sources += ['gstmfcaptureengine.cpp']
if winapi_desktop
mf_sources += mf_desktop_sources
have_capture_engine = cc.has_header('mfcaptureengine.h')
if have_capture_engine
mf_sources += ['gstmfcaptureengine.cpp']
endif
endif
mf_config.set10('HAVE_CAPTURE_ENGINE', have_capture_engine)
@ -94,7 +98,7 @@ gstmediafoundation = library('gstmediafoundation',
c_args : gst_plugins_bad_args + extra_c_args,
cpp_args : gst_plugins_bad_args,
include_directories : [configinc],
dependencies : [gstbase_dep, gstvideo_dep] + mf_lib_deps,
dependencies : [gstbase_dep, gstvideo_dep, gstpbutils_dep] + mf_lib_deps,
install : true,
install_dir : plugins_install_dir,
)

22
sys/mediafoundation/plugin.c
View file

@ -22,16 +22,29 @@
#include "config.h"
#endif
#include <winapifamily.h>
#include <gst/gst.h>
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
#include "gstmfvideosrc.h"
#endif
#include "gstmfutils.h"
#include "gstmfh264enc.h"
GST_DEBUG_CATEGORY (gst_mf_debug);
GST_DEBUG_CATEGORY (gst_mf_utils_debug);
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
GST_DEBUG_CATEGORY (gst_mf_source_object_debug);
#endif
GST_DEBUG_CATEGORY (gst_mf_transform_debug);
#define GST_CAT_DEFAULT gst_mf_debug
/* NOTE: If you want to use this plugin in UWP app, don't try to load/initialize
* this plugin on UI thread, since the UI thread would be STA Thread
* but this plugin will be initialized with COINIT_MULTITHREADED parameter.
* This rule can be applied over all GStreamer plugins which are involved with
* COM libraries */
static gboolean
plugin_init (GstPlugin * plugin)
{
@ -40,17 +53,24 @@ plugin_init (GstPlugin * plugin)
GST_DEBUG_CATEGORY_INIT (gst_mf_debug, "mf", 0, "media foundation");
GST_DEBUG_CATEGORY_INIT (gst_mf_utils_debug,
"mfutils", 0, "media foundation utility functions");
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
GST_DEBUG_CATEGORY_INIT (gst_mf_source_object_debug,
"mfsourceobject", 0, "mfsourceobject");
#endif
GST_DEBUG_CATEGORY_INIT (gst_mf_transform_debug,
"mftransform", 0, "mftransform");
hr = MFStartup (MF_VERSION, MFSTARTUP_NOSOCKET);
if (!gst_mf_result (hr)) {
GST_WARNING ("MFStartup failure, hr: 0x%x", hr);
return TRUE;
}
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
gst_element_register (plugin,
"mfvideosrc", GST_RANK_SECONDARY, GST_TYPE_MF_VIDEO_SRC);
#endif
gst_mf_h264_enc_plugin_init (plugin, GST_RANK_SECONDARY);
return TRUE;
}