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gstreamer/sys/msdk/gstmsdkenc.c
Hyunjun Ko 6ce9a66b80 msdk: implements GstMsdkContext. 
Makes GstMsdkContext to be a descendant of GstObject so that
we could track the life-cycle of the session of the driver.

Also replaces MsdkContext with this one.
Keeps msdk_d3d.c alive for the future.

https://bugzilla.gnome.org/show_bug.cgi?id=790752
2018-02-13 12:41:28 -09:00

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/* GStreamer Intel MSDK plugin
* Copyright (c) 2016, Oblong Industries, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* TODO:
* - Add support for interlaced content
* - Add support for MVC AVC
* - Wrap more configuration options and maybe move properties to derived
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef _WIN32
# include <malloc.h>
#endif
#include <stdlib.h>
#include "gstmsdkenc.h"
static inline void *
_aligned_alloc (size_t alignment, size_t size)
{
#ifdef _WIN32
return _aligned_malloc (size, alignment);
#else
void *out;
if (posix_memalign (&out, alignment, size) != 0)
out = NULL;
return out;
#endif
}
#ifndef _WIN32
#define _aligned_free free
#endif
static void gst_msdkenc_close_encoder (GstMsdkEnc * thiz);
GST_DEBUG_CATEGORY_EXTERN (gst_msdkenc_debug);
#define GST_CAT_DEFAULT gst_msdkenc_debug
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw, "
"format = (string) { NV12, I420, YV12, YUY2, UYVY, BGRA }, "
"framerate = (fraction) [0, MAX], "
"width = (int) [ 16, MAX ], height = (int) [ 16, MAX ],"
"interlace-mode = (string) progressive")
);
enum
{
PROP_0,
PROP_HARDWARE,
PROP_ASYNC_DEPTH,
PROP_TARGET_USAGE,
PROP_RATE_CONTROL,
PROP_BITRATE,
PROP_QPI,
PROP_QPP,
PROP_QPB,
PROP_GOP_SIZE,
PROP_REF_FRAMES,
PROP_I_FRAMES,
PROP_B_FRAMES
};
#define PROP_HARDWARE_DEFAULT TRUE
#define PROP_ASYNC_DEPTH_DEFAULT 4
#define PROP_TARGET_USAGE_DEFAULT (MFX_TARGETUSAGE_BALANCED)
#define PROP_RATE_CONTROL_DEFAULT (MFX_RATECONTROL_CBR)
#define PROP_BITRATE_DEFAULT (2 * 1024)
#define PROP_QPI_DEFAULT 0
#define PROP_QPP_DEFAULT 0
#define PROP_QPB_DEFAULT 0
#define PROP_GOP_SIZE_DEFAULT 256
#define PROP_REF_FRAMES_DEFAULT 1
#define PROP_I_FRAMES_DEFAULT 0
#define PROP_B_FRAMES_DEFAULT 0
#define GST_MSDKENC_RATE_CONTROL_TYPE (gst_msdkenc_rate_control_get_type())
static GType
gst_msdkenc_rate_control_get_type (void)
{
static GType type = 0;
static const GEnumValue values[] = {
{MFX_RATECONTROL_CBR, "Constant Bitrate", "cbr"},
{MFX_RATECONTROL_VBR, "Variable Bitrate", "vbr"},
{MFX_RATECONTROL_CQP, "Constant Quantizer", "cqp"},
{MFX_RATECONTROL_AVBR, "Average Bitrate", "avbr"},
{0, NULL, NULL}
};
if (!type) {
type = g_enum_register_static ("GstMsdkEncRateControl", values);
}
return type;
}
#define gst_msdkenc_parent_class parent_class
G_DEFINE_TYPE (GstMsdkEnc, gst_msdkenc, GST_TYPE_VIDEO_ENCODER);
void
gst_msdkenc_add_extra_param (GstMsdkEnc * thiz, mfxExtBuffer * param)
{
if (thiz->num_extra_params < MAX_EXTRA_PARAMS) {
thiz->extra_params[thiz->num_extra_params] = param;
thiz->num_extra_params++;
}
}
static void
gst_msdkenc_alloc_surfaces (GstMsdkEnc * thiz, GstVideoFormat format,
gint width, gint height, guint num_surfaces, mfxFrameSurface1 * surfaces)
{
gsize Y_size = 0, U_size = 0;
gsize pitch;
gsize size;
gint i;
width = GST_ROUND_UP_32 (width);
height = GST_ROUND_UP_32 (height);
switch (format) {
case GST_VIDEO_FORMAT_NV12:
Y_size = width * height;
pitch = width;
size = Y_size + (Y_size >> 1);
break;
case GST_VIDEO_FORMAT_YV12:
case GST_VIDEO_FORMAT_I420:
Y_size = width * height;
pitch = width;
U_size = (width / 2) * (height / 2);
size = Y_size + 2 * U_size;
break;
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_UYVY:
size = 2 * width * height;
pitch = 2 * width;
break;
case GST_VIDEO_FORMAT_BGRA:
size = 4 * width * height;
pitch = 4 * width;
break;
default:
g_assert_not_reached ();
break;
}
for (i = 0; i < num_surfaces; i++) {
mfxFrameSurface1 *surface = &surfaces[i];
mfxU8 *data = _aligned_alloc (32, size);
if (!data) {
GST_ERROR_OBJECT (thiz, "Memory allocation failed");
return;
}
surface->Data.MemId = (mfxMemId) data;
surface->Data.Pitch = pitch;
surface->Data.Y = data;
if (U_size) {
surface->Data.U = data + Y_size;
surface->Data.V = data + Y_size + U_size;
} else if (Y_size) {
surface->Data.UV = data + Y_size;
}
if (format == GST_VIDEO_FORMAT_YUY2) {
surface->Data.U = data + 1;
surface->Data.V = data + 3;
} else if (format == GST_VIDEO_FORMAT_UYVY) {
surface->Data.U = data + 1;
surface->Data.Y = data + 2;
surface->Data.V = data + 3;
} else if (format == GST_VIDEO_FORMAT_BGRA) {
surface->Data.R = data;
surface->Data.G = data + 1;
surface->Data.B = data + 2;
}
}
}
static gboolean
gst_msdkenc_init_encoder (GstMsdkEnc * thiz)
{
GstMsdkEncClass *klass = GST_MSDKENC_GET_CLASS (thiz);
GstVideoInfo *info;
mfxSession session;
mfxStatus status;
mfxFrameAllocRequest request[2];
guint i;
if (!thiz->input_state) {
GST_DEBUG_OBJECT (thiz, "Have no input state yet");
return FALSE;
}
info = &thiz->input_state->info;
/* make sure that the encoder is closed */
gst_msdkenc_close_encoder (thiz);
thiz->context = gst_msdk_context_new (thiz->hardware);
if (!thiz->context) {
GST_ERROR_OBJECT (thiz, "Context creation failed");
return FALSE;
}
GST_OBJECT_LOCK (thiz);
session = gst_msdk_context_get_session (thiz->context);
thiz->has_vpp = FALSE;
if (info->finfo->format != GST_VIDEO_FORMAT_NV12) {
thiz->vpp_param.IOPattern =
MFX_IOPATTERN_IN_SYSTEM_MEMORY | MFX_IOPATTERN_OUT_SYSTEM_MEMORY;
thiz->vpp_param.vpp.In.Width = GST_ROUND_UP_32 (info->width);
thiz->vpp_param.vpp.In.Height = GST_ROUND_UP_32 (info->height);
thiz->vpp_param.vpp.In.CropW = info->width;
thiz->vpp_param.vpp.In.CropH = info->height;
thiz->vpp_param.vpp.In.FrameRateExtN = info->fps_n;
thiz->vpp_param.vpp.In.FrameRateExtD = info->fps_d;
thiz->vpp_param.vpp.In.AspectRatioW = info->par_n;
thiz->vpp_param.vpp.In.AspectRatioH = info->par_d;
thiz->vpp_param.vpp.In.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
switch (info->finfo->format) {
case GST_VIDEO_FORMAT_NV12:
thiz->vpp_param.vpp.In.FourCC = MFX_FOURCC_NV12;
thiz->vpp_param.vpp.In.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
break;
case GST_VIDEO_FORMAT_YV12:
case GST_VIDEO_FORMAT_I420:
thiz->vpp_param.vpp.In.FourCC = MFX_FOURCC_YV12;
thiz->vpp_param.vpp.In.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
break;
case GST_VIDEO_FORMAT_YUY2:
thiz->vpp_param.vpp.In.FourCC = MFX_FOURCC_YUY2;
thiz->vpp_param.vpp.In.ChromaFormat = MFX_CHROMAFORMAT_YUV422;
break;
case GST_VIDEO_FORMAT_UYVY:
thiz->vpp_param.vpp.In.FourCC = MFX_FOURCC_UYVY;
thiz->vpp_param.vpp.In.ChromaFormat = MFX_CHROMAFORMAT_YUV422;
break;
case GST_VIDEO_FORMAT_BGRA:
thiz->vpp_param.vpp.In.FourCC = MFX_FOURCC_RGB4;
thiz->vpp_param.vpp.In.ChromaFormat = MFX_CHROMAFORMAT_YUV444;
break;
default:
g_assert_not_reached ();
break;
}
thiz->vpp_param.vpp.Out = thiz->vpp_param.vpp.In;
thiz->vpp_param.vpp.Out.FourCC = MFX_FOURCC_NV12;
thiz->vpp_param.vpp.Out.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
/* validate parameters and allow the Media SDK to make adjustments */
status = MFXVideoVPP_Query (session, &thiz->vpp_param, &thiz->vpp_param);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "Video VPP Query failed (%s)",
msdk_status_to_string (status));
goto no_vpp;
} else if (status > MFX_ERR_NONE) {
GST_WARNING_OBJECT (thiz, "Video VPP Query returned: %s",
msdk_status_to_string (status));
}
status = MFXVideoVPP_QueryIOSurf (session, &thiz->vpp_param, request);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "VPP Query IO surfaces failed (%s)",
msdk_status_to_string (status));
goto no_vpp;
} else if (status > MFX_ERR_NONE) {
GST_WARNING_OBJECT (thiz, "VPP Query IO surfaces returned: %s",
msdk_status_to_string (status));
}
thiz->num_vpp_surfaces = request[0].NumFrameSuggested;
thiz->vpp_surfaces = g_new0 (mfxFrameSurface1, thiz->num_vpp_surfaces);
for (i = 0; i < thiz->num_vpp_surfaces; i++) {
memcpy (&thiz->vpp_surfaces[i].Info, &thiz->vpp_param.vpp.In,
sizeof (mfxFrameInfo));
}
status = MFXVideoVPP_Init (session, &thiz->vpp_param);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "Init failed (%s)",
msdk_status_to_string (status));
goto no_vpp;
} else if (status > MFX_ERR_NONE) {
GST_WARNING_OBJECT (thiz, "Init returned: %s",
msdk_status_to_string (status));
}
status = MFXVideoVPP_GetVideoParam (session, &thiz->vpp_param);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "Get VPP Parameters failed (%s)",
msdk_status_to_string (status));
MFXVideoVPP_Close (session);
goto no_vpp;
} else if (status > MFX_ERR_NONE) {
GST_WARNING_OBJECT (thiz, "Get VPP Parameters returned: %s",
msdk_status_to_string (status));
}
thiz->has_vpp = TRUE;
}
thiz->param.AsyncDepth = thiz->async_depth;
thiz->param.IOPattern = MFX_IOPATTERN_IN_SYSTEM_MEMORY;
thiz->param.mfx.RateControlMethod = thiz->rate_control;
thiz->param.mfx.TargetKbps = thiz->bitrate;
thiz->param.mfx.TargetUsage = thiz->target_usage;
thiz->param.mfx.GopPicSize = thiz->gop_size;
thiz->param.mfx.GopRefDist = thiz->b_frames + 1;
thiz->param.mfx.IdrInterval = thiz->i_frames;
thiz->param.mfx.NumRefFrame = thiz->ref_frames;
thiz->param.mfx.EncodedOrder = 0; /* Take input frames in display order */
if (thiz->rate_control == MFX_RATECONTROL_CQP) {
thiz->param.mfx.QPI = thiz->qpi;
thiz->param.mfx.QPP = thiz->qpp;
thiz->param.mfx.QPB = thiz->qpb;
}
thiz->param.mfx.FrameInfo.Width = GST_ROUND_UP_32 (info->width);
thiz->param.mfx.FrameInfo.Height = GST_ROUND_UP_32 (info->height);
thiz->param.mfx.FrameInfo.CropW = info->width;
thiz->param.mfx.FrameInfo.CropH = info->height;
thiz->param.mfx.FrameInfo.FrameRateExtN = info->fps_n;
thiz->param.mfx.FrameInfo.FrameRateExtD = info->fps_d;
thiz->param.mfx.FrameInfo.AspectRatioW = info->par_n;
thiz->param.mfx.FrameInfo.AspectRatioH = info->par_d;
thiz->param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
thiz->param.mfx.FrameInfo.FourCC = MFX_FOURCC_NV12;
thiz->param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
/* allow subclass configure further */
if (klass->configure) {
if (!klass->configure (thiz))
goto failed;
}
if (thiz->num_extra_params) {
thiz->param.NumExtParam = thiz->num_extra_params;
thiz->param.ExtParam = thiz->extra_params;
}
/* validate parameters and allow the Media SDK to make adjustments */
status = MFXVideoENCODE_Query (session, &thiz->param, &thiz->param);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "Video Encode Query failed (%s)",
msdk_status_to_string (status));
goto failed;
} else if (status > MFX_ERR_NONE) {
GST_WARNING_OBJECT (thiz, "Video Encode Query returned: %s",
msdk_status_to_string (status));
}
status = MFXVideoENCODE_QueryIOSurf (session, &thiz->param, request);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "Encode Query IO surfaces failed (%s)",
msdk_status_to_string (status));
goto failed;
} else if (status > MFX_ERR_NONE) {
GST_WARNING_OBJECT (thiz, "Encode Query IO surfaces returned: %s",
msdk_status_to_string (status));
}
/* Maximum of VPP output and encoder input, if using VPP */
if (thiz->has_vpp)
request[0].NumFrameSuggested =
MAX (request[0].NumFrameSuggested, request[1].NumFrameSuggested);
if (request[0].NumFrameSuggested < thiz->param.AsyncDepth) {
GST_ERROR_OBJECT (thiz, "Required %d surfaces (%d suggested), async %d",
request[0].NumFrameMin, request[0].NumFrameSuggested,
thiz->param.AsyncDepth);
goto failed;
}
/* These are VPP output (if any) and encoder input */
thiz->num_surfaces = request[0].NumFrameSuggested;
thiz->surfaces = g_new0 (mfxFrameSurface1, thiz->num_surfaces);
for (i = 0; i < thiz->num_surfaces; i++) {
memcpy (&thiz->surfaces[i].Info, &thiz->param.mfx.FrameInfo,
sizeof (mfxFrameInfo));
}
if ((GST_ROUND_UP_32 (info->width) != info->width
|| GST_ROUND_UP_32 (info->height) != info->height)) {
gst_msdkenc_alloc_surfaces (thiz, info->finfo->format, info->width,
info->height,
thiz->has_vpp ? thiz->num_vpp_surfaces : thiz->num_surfaces,
thiz->has_vpp ? thiz->vpp_surfaces : thiz->surfaces);
GST_DEBUG_OBJECT (thiz,
"Allocated aligned memory, pixel data will be copied");
}
if (thiz->has_vpp) {
gst_msdkenc_alloc_surfaces (thiz, GST_VIDEO_FORMAT_NV12, info->width,
info->height, thiz->num_surfaces, thiz->surfaces);
}
GST_DEBUG_OBJECT (thiz, "Required %d surfaces (%d suggested), allocated %d",
request[0].NumFrameMin, request[0].NumFrameSuggested, thiz->num_surfaces);
status = MFXVideoENCODE_Init (session, &thiz->param);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "Init failed (%s)", msdk_status_to_string (status));
goto failed;
} else if (status > MFX_ERR_NONE) {
GST_WARNING_OBJECT (thiz, "Init returned: %s",
msdk_status_to_string (status));
}
status = MFXVideoENCODE_GetVideoParam (session, &thiz->param);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "Get Video Parameters failed (%s)",
msdk_status_to_string (status));
goto failed;
} else if (status > MFX_ERR_NONE) {
GST_WARNING_OBJECT (thiz, "Get Video Parameters returned: %s",
msdk_status_to_string (status));
}
thiz->num_tasks = thiz->param.AsyncDepth;
thiz->tasks = g_new0 (MsdkEncTask, thiz->num_tasks);
for (i = 0; i < thiz->num_tasks; i++) {
thiz->tasks[i].output_bitstream.Data = _aligned_alloc (32,
thiz->param.mfx.BufferSizeInKB * 1024);
if (!thiz->tasks[i].output_bitstream.Data) {
GST_ERROR_OBJECT (thiz, "Memory allocation failed");
goto failed;
}
thiz->tasks[i].output_bitstream.MaxLength =
thiz->param.mfx.BufferSizeInKB * 1024;
}
thiz->next_task = 0;
thiz->reconfig = FALSE;
GST_OBJECT_UNLOCK (thiz);
return TRUE;
no_vpp:
failed:
GST_OBJECT_UNLOCK (thiz);
if (thiz->context)
gst_object_replace ((GstObject **) & thiz->context, NULL);
return FALSE;
}
static void
gst_msdkenc_close_encoder (GstMsdkEnc * thiz)
{
guint i;
mfxStatus status;
if (!thiz->context)
return;
GST_DEBUG_OBJECT (thiz, "Closing encoder 0x%p", thiz->context);
status = MFXVideoENCODE_Close (gst_msdk_context_get_session (thiz->context));
if (status != MFX_ERR_NONE && status != MFX_ERR_NOT_INITIALIZED) {
GST_WARNING_OBJECT (thiz, "Encoder close failed (%s)",
msdk_status_to_string (status));
}
if (thiz->tasks) {
for (i = 0; i < thiz->num_tasks; i++) {
MsdkEncTask *task = &thiz->tasks[i];
if (task->output_bitstream.Data) {
_aligned_free (task->output_bitstream.Data);
}
}
}
g_free (thiz->tasks);
thiz->tasks = NULL;
/* Close VPP before freeing the surfaces. They are shared between encoder
* and VPP */
if (thiz->has_vpp) {
status = MFXVideoVPP_Close (gst_msdk_context_get_session (thiz->context));
if (status != MFX_ERR_NONE && status != MFX_ERR_NOT_INITIALIZED) {
GST_WARNING_OBJECT (thiz, "VPP close failed (%s)",
msdk_status_to_string (status));
}
}
for (i = 0; i < thiz->num_surfaces; i++) {
mfxFrameSurface1 *surface = &thiz->surfaces[i];
if (surface->Data.MemId)
_aligned_free (surface->Data.MemId);
}
g_free (thiz->surfaces);
thiz->surfaces = NULL;
if (thiz->has_vpp) {
for (i = 0; i < thiz->num_vpp_surfaces; i++) {
mfxFrameSurface1 *surface = &thiz->vpp_surfaces[i];
if (surface->Data.MemId)
_aligned_free (surface->Data.MemId);
}
g_free (thiz->vpp_surfaces);
thiz->vpp_surfaces = NULL;
}
if (thiz->context)
gst_object_replace ((GstObject **) & thiz->context, NULL);
memset (&thiz->param, 0, sizeof (thiz->param));
thiz->num_extra_params = 0;
}
typedef struct
{
GstVideoCodecFrame *frame;
GstVideoFrame vframe;
} FrameData;
static FrameData *
gst_msdkenc_queue_frame (GstMsdkEnc * thiz, GstVideoCodecFrame * frame,
GstVideoInfo * info)
{
GstVideoFrame vframe;
FrameData *fdata;
if (!gst_video_frame_map (&vframe, info, frame->input_buffer, GST_MAP_READ))
return NULL;
fdata = g_slice_new (FrameData);
fdata->frame = gst_video_codec_frame_ref (frame);
fdata->vframe = vframe;
thiz->pending_frames = g_list_prepend (thiz->pending_frames, fdata);
return fdata;
}
static void
gst_msdkenc_dequeue_frame (GstMsdkEnc * thiz, GstVideoCodecFrame * frame)
{
GList *l;
for (l = thiz->pending_frames; l; l = l->next) {
FrameData *fdata = l->data;
if (fdata->frame != frame)
continue;
if (fdata->vframe.buffer)
gst_video_frame_unmap (&fdata->vframe);
gst_video_codec_frame_unref (fdata->frame);
g_slice_free (FrameData, fdata);
thiz->pending_frames = g_list_delete_link (thiz->pending_frames, l);
return;
}
}
static void
gst_msdkenc_dequeue_all_frames (GstMsdkEnc * thiz)
{
GList *l;
for (l = thiz->pending_frames; l; l = l->next) {
FrameData *fdata = l->data;
gst_video_frame_unmap (&fdata->vframe);
gst_video_codec_frame_unref (fdata->frame);
g_slice_free (FrameData, fdata);
}
g_list_free (thiz->pending_frames);
thiz->pending_frames = NULL;
}
static MsdkEncTask *
gst_msdkenc_get_free_task (GstMsdkEnc * thiz)
{
MsdkEncTask *tasks = thiz->tasks;
guint size = thiz->num_tasks;
guint start = thiz->next_task;
guint i;
if (tasks) {
for (i = 0; i < size; i++) {
guint t = (start + i) % size;
if (tasks[t].sync_point == NULL)
return &tasks[t];
}
}
return NULL;
}
static void
gst_msdkenc_reset_task (MsdkEncTask * task)
{
task->input_frame = NULL;
task->output_bitstream.DataLength = 0;
task->sync_point = NULL;
task->more_data = FALSE;
}
static GstFlowReturn
gst_msdkenc_finish_frame (GstMsdkEnc * thiz, MsdkEncTask * task,
gboolean discard)
{
GstVideoCodecFrame *frame = task->input_frame;
if (task->more_data) {
GstVideoCodecFrame *frame;
frame =
gst_video_encoder_get_frame (GST_VIDEO_ENCODER_CAST (thiz),
task->pending_frame_number);
if (frame) {
gst_msdkenc_dequeue_frame (thiz, frame);
gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (thiz), frame);
gst_msdkenc_reset_task (task);
return GST_FLOW_OK;
} else {
GST_ERROR_OBJECT (thiz,
"Couldn't find the pending frame %d to be finished",
task->pending_frame_number);
return GST_FLOW_ERROR;
}
}
if (!task->sync_point) {
return GST_FLOW_OK;
}
/* Wait for encoding operation to complete */
MFXVideoCORE_SyncOperation (gst_msdk_context_get_session (thiz->context),
task->sync_point, 10000);
if (!discard && task->output_bitstream.DataLength) {
GstBuffer *out_buf = NULL;
guint8 *data =
task->output_bitstream.Data + task->output_bitstream.DataOffset;
gsize size = task->output_bitstream.DataLength;
out_buf = gst_buffer_new_allocate (NULL, size, NULL);
gst_buffer_fill (out_buf, 0, data, size);
frame->output_buffer = out_buf;
frame->pts =
gst_util_uint64_scale (task->output_bitstream.TimeStamp, GST_SECOND,
90000);
frame->dts =
gst_util_uint64_scale (task->output_bitstream.DecodeTimeStamp,
GST_SECOND, 90000);
if ((task->output_bitstream.FrameType & MFX_FRAMETYPE_IDR) != 0 ||
(task->output_bitstream.FrameType & MFX_FRAMETYPE_xIDR) != 0) {
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
}
/* Mark task as available */
gst_msdkenc_reset_task (task);
}
gst_msdkenc_dequeue_frame (thiz, frame);
return gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (thiz), frame);
}
static GstFlowReturn
gst_msdkenc_encode_frame (GstMsdkEnc * thiz, mfxFrameSurface1 * surface,
GstVideoCodecFrame * input_frame)
{
mfxSession session;
MsdkEncTask *task;
mfxStatus status;
if (G_UNLIKELY (thiz->context == NULL)) {
gst_msdkenc_dequeue_frame (thiz, input_frame);
gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (thiz), input_frame);
return GST_FLOW_NOT_NEGOTIATED;
}
session = gst_msdk_context_get_session (thiz->context);
task = gst_msdkenc_get_free_task (thiz);
for (;;) {
status = MFXVideoENCODE_EncodeFrameAsync (session, NULL, surface,
&task->output_bitstream, &task->sync_point);
if (status != MFX_WRN_DEVICE_BUSY)
break;
/* If device is busy, wait 1ms and retry, as per MSDK's recomendation */
g_usleep (1000);
};
if (status != MFX_ERR_NONE && status != MFX_ERR_MORE_DATA) {
GST_ELEMENT_ERROR (thiz, STREAM, ENCODE, ("Encode frame failed."),
("MSDK encode error (%s)", msdk_status_to_string (status)));
gst_msdkenc_dequeue_frame (thiz, input_frame);
gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (thiz), input_frame);
return GST_FLOW_ERROR;
}
if (task->sync_point) {
task->input_frame = input_frame;
thiz->next_task = ((task - thiz->tasks) + 1) % thiz->num_tasks;
} else if (status == MFX_ERR_MORE_DATA) {
task->more_data = TRUE;
task->pending_frame_number = input_frame->system_frame_number;
gst_video_codec_frame_unref (input_frame);
thiz->next_task = ((task - thiz->tasks) + 1) % thiz->num_tasks;
}
/* Ensure that next task is available */
task = thiz->tasks + thiz->next_task;
return gst_msdkenc_finish_frame (thiz, task, FALSE);
}
static guint
gst_msdkenc_maximum_delayed_frames (GstMsdkEnc * thiz)
{
return thiz->num_tasks;
}
static void
gst_msdkenc_set_latency (GstMsdkEnc * thiz)
{
GstVideoInfo *info = &thiz->input_state->info;
gint max_delayed_frames;
GstClockTime latency;
max_delayed_frames = gst_msdkenc_maximum_delayed_frames (thiz);
if (info->fps_n) {
latency = gst_util_uint64_scale_ceil (GST_SECOND * info->fps_d,
max_delayed_frames, info->fps_n);
} else {
/* FIXME: Assume 25fps. This is better than reporting no latency at
* all and then later failing in live pipelines
*/
latency = gst_util_uint64_scale_ceil (GST_SECOND * 1,
max_delayed_frames, 25);
}
GST_INFO_OBJECT (thiz,
"Updating latency to %" GST_TIME_FORMAT " (%d frames)",
GST_TIME_ARGS (latency), max_delayed_frames);
gst_video_encoder_set_latency (GST_VIDEO_ENCODER (thiz), latency, latency);
}
static void
gst_msdkenc_flush_frames (GstMsdkEnc * thiz, gboolean discard)
{
guint i, t = thiz->next_task;
if (!thiz->tasks)
return;
for (i = 0; i < thiz->num_tasks; i++) {
gst_msdkenc_finish_frame (thiz, &thiz->tasks[t], discard);
t = (t + 1) % thiz->num_tasks;
}
}
static gboolean
gst_msdkenc_set_src_caps (GstMsdkEnc * thiz)
{
GstMsdkEncClass *klass = GST_MSDKENC_GET_CLASS (thiz);
GstCaps *outcaps = NULL;
GstVideoCodecState *state;
GstTagList *tags;
if (klass->set_src_caps)
outcaps = klass->set_src_caps (thiz);
if (!outcaps)
return FALSE;
state = gst_video_encoder_set_output_state (GST_VIDEO_ENCODER (thiz),
outcaps, thiz->input_state);
GST_DEBUG_OBJECT (thiz, "output caps: %" GST_PTR_FORMAT, state->caps);
gst_video_codec_state_unref (state);
tags = gst_tag_list_new_empty ();
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER, "msdkenc",
GST_TAG_MAXIMUM_BITRATE, thiz->bitrate * 1024,
GST_TAG_NOMINAL_BITRATE, thiz->bitrate * 1024, NULL);
gst_video_encoder_merge_tags (GST_VIDEO_ENCODER (thiz), tags,
GST_TAG_MERGE_REPLACE);
gst_tag_list_unref (tags);
return TRUE;
}
static gboolean
gst_msdkenc_set_format (GstVideoEncoder * encoder, GstVideoCodecState * state)
{
GstMsdkEnc *thiz = GST_MSDKENC (encoder);
GstMsdkEncClass *klass = GST_MSDKENC_GET_CLASS (thiz);
if (state) {
if (thiz->input_state)
gst_video_codec_state_unref (thiz->input_state);
thiz->input_state = gst_video_codec_state_ref (state);
}
if (klass->set_format) {
if (!klass->set_format (thiz))
return FALSE;
}
if (!gst_msdkenc_init_encoder (thiz))
return FALSE;
if (!gst_msdkenc_set_src_caps (thiz)) {
gst_msdkenc_close_encoder (thiz);
return FALSE;
}
gst_msdkenc_set_latency (thiz);
return TRUE;
}
static GstFlowReturn
gst_msdkenc_handle_frame (GstVideoEncoder * encoder, GstVideoCodecFrame * frame)
{
GstMsdkEnc *thiz = GST_MSDKENC (encoder);
GstVideoInfo *info = &thiz->input_state->info;
FrameData *fdata;
mfxFrameSurface1 *surface;
if (thiz->reconfig) {
gst_msdkenc_flush_frames (thiz, FALSE);
gst_msdkenc_set_format (encoder, NULL);
}
if (G_UNLIKELY (thiz->context == NULL))
goto not_inited;
if (thiz->has_vpp) {
mfxFrameSurface1 *vpp_surface;
GstVideoFrame vframe;
mfxSession session;
mfxSyncPoint vpp_sync_point = NULL;
mfxStatus status;
vpp_surface =
msdk_get_free_surface (thiz->vpp_surfaces, thiz->num_vpp_surfaces);
if (!vpp_surface)
goto invalid_surface;
surface = msdk_get_free_surface (thiz->surfaces, thiz->num_surfaces);
if (!surface)
goto invalid_surface;
if (!gst_video_frame_map (&vframe, info, frame->input_buffer, GST_MAP_READ))
goto invalid_frame;
msdk_frame_to_surface (&vframe, vpp_surface);
if (frame->pts != GST_CLOCK_TIME_NONE) {
vpp_surface->Data.TimeStamp =
gst_util_uint64_scale (frame->pts, 90000, GST_SECOND);
surface->Data.TimeStamp =
gst_util_uint64_scale (frame->pts, 90000, GST_SECOND);
} else {
vpp_surface->Data.TimeStamp = MFX_TIMESTAMP_UNKNOWN;
surface->Data.TimeStamp = MFX_TIMESTAMP_UNKNOWN;
}
session = gst_msdk_context_get_session (thiz->context);
for (;;) {
status =
MFXVideoVPP_RunFrameVPPAsync (session, vpp_surface, surface, NULL,
&vpp_sync_point);
if (status != MFX_WRN_DEVICE_BUSY)
break;
/* If device is busy, wait 1ms and retry, as per MSDK's recomendation */
g_usleep (1000);
};
gst_video_frame_unmap (&vframe);
if (status != MFX_ERR_NONE && status != MFX_ERR_MORE_DATA) {
GST_ELEMENT_ERROR (thiz, STREAM, ENCODE, ("Converting frame failed."),
("MSDK VPP error (%s)", msdk_status_to_string (status)));
gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (thiz), frame);
return GST_FLOW_ERROR;
}
fdata = g_slice_new0 (FrameData);
fdata->frame = gst_video_codec_frame_ref (frame);
thiz->pending_frames = g_list_prepend (thiz->pending_frames, fdata);
} else {
surface = msdk_get_free_surface (thiz->surfaces, thiz->num_surfaces);
if (!surface)
goto invalid_surface;
fdata = gst_msdkenc_queue_frame (thiz, frame, info);
if (!fdata)
goto invalid_frame;
msdk_frame_to_surface (&fdata->vframe, surface);
if (frame->pts != GST_CLOCK_TIME_NONE) {
surface->Data.TimeStamp =
gst_util_uint64_scale (frame->pts, 90000, GST_SECOND);
} else {
surface->Data.TimeStamp = MFX_TIMESTAMP_UNKNOWN;
}
}
return gst_msdkenc_encode_frame (thiz, surface, frame);
/* ERRORS */
not_inited:
{
GST_WARNING_OBJECT (encoder, "Got buffer before set_caps was called");
return GST_FLOW_NOT_NEGOTIATED;
}
invalid_surface:
{
GST_ERROR_OBJECT (encoder, "Surface pool is full");
return GST_FLOW_ERROR;
}
invalid_frame:
{
GST_WARNING_OBJECT (encoder, "Failed to map frame");
return GST_FLOW_OK;
}
}
static gboolean
gst_msdkenc_start (GstVideoEncoder * encoder)
{
/* Set the minimum pts to some huge value (1000 hours). This keeps
the dts at the start of the stream from needing to be
negative. */
gst_video_encoder_set_min_pts (encoder, GST_SECOND * 60 * 60 * 1000);
return TRUE;
}
static gboolean
gst_msdkenc_stop (GstVideoEncoder * encoder)
{
GstMsdkEnc *thiz = GST_MSDKENC (encoder);
gst_msdkenc_flush_frames (thiz, TRUE);
gst_msdkenc_close_encoder (thiz);
gst_msdkenc_dequeue_all_frames (thiz);
if (thiz->input_state)
gst_video_codec_state_unref (thiz->input_state);
thiz->input_state = NULL;
return TRUE;
}
static gboolean
gst_msdkenc_flush (GstVideoEncoder * encoder)
{
GstMsdkEnc *thiz = GST_MSDKENC (encoder);
gst_msdkenc_flush_frames (thiz, TRUE);
gst_msdkenc_close_encoder (thiz);
gst_msdkenc_dequeue_all_frames (thiz);
gst_msdkenc_init_encoder (thiz);
return TRUE;
}
static GstFlowReturn
gst_msdkenc_finish (GstVideoEncoder * encoder)
{
GstMsdkEnc *thiz = GST_MSDKENC (encoder);
gst_msdkenc_flush_frames (thiz, FALSE);
return GST_FLOW_OK;
}
static gboolean
gst_msdkenc_propose_allocation (GstVideoEncoder * encoder, GstQuery * query)
{
GstMsdkEnc *thiz = GST_MSDKENC (encoder);
GstVideoInfo *info;
guint num_buffers;
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
if (!thiz->input_state)
return FALSE;
info = &thiz->input_state->info;
num_buffers = gst_msdkenc_maximum_delayed_frames (thiz) + 1;
gst_query_add_allocation_pool (query, NULL, info->size, num_buffers, 0);
return GST_VIDEO_ENCODER_CLASS (parent_class)->propose_allocation (encoder,
query);
}
static void
gst_msdkenc_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec)
{
GstMsdkEnc *thiz = GST_MSDKENC (object);
GstState state;
GST_OBJECT_LOCK (thiz);
state = GST_STATE (thiz);
if ((state != GST_STATE_READY && state != GST_STATE_NULL) &&
!(pspec->flags & GST_PARAM_MUTABLE_PLAYING))
goto wrong_state;
switch (prop_id) {
case PROP_HARDWARE:
thiz->hardware = g_value_get_boolean (value);
break;
case PROP_ASYNC_DEPTH:
thiz->async_depth = g_value_get_uint (value);
break;
case PROP_TARGET_USAGE:
thiz->target_usage = g_value_get_uint (value);
break;
case PROP_RATE_CONTROL:
thiz->rate_control = g_value_get_enum (value);
break;
case PROP_BITRATE:
thiz->bitrate = g_value_get_uint (value);
thiz->reconfig = TRUE;
break;
case PROP_QPI:
thiz->qpi = g_value_get_uint (value);
break;
case PROP_QPP:
thiz->qpp = g_value_get_uint (value);
break;
case PROP_QPB:
thiz->qpb = g_value_get_uint (value);
break;
case PROP_GOP_SIZE:
thiz->gop_size = g_value_get_uint (value);
break;
case PROP_REF_FRAMES:
thiz->ref_frames = g_value_get_uint (value);
break;
case PROP_I_FRAMES:
thiz->i_frames = g_value_get_uint (value);
break;
case PROP_B_FRAMES:
thiz->b_frames = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (thiz);
return;
/* ERROR */
wrong_state:
{
GST_WARNING_OBJECT (thiz, "setting property in wrong state");
GST_OBJECT_UNLOCK (thiz);
}
}
static void
gst_msdkenc_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstMsdkEnc *thiz = GST_MSDKENC (object);
GST_OBJECT_LOCK (thiz);
switch (prop_id) {
case PROP_HARDWARE:
g_value_set_boolean (value, thiz->hardware);
break;
case PROP_ASYNC_DEPTH:
g_value_set_uint (value, thiz->async_depth);
break;
case PROP_TARGET_USAGE:
g_value_set_uint (value, thiz->target_usage);
break;
case PROP_RATE_CONTROL:
g_value_set_enum (value, thiz->rate_control);
break;
case PROP_BITRATE:
g_value_set_uint (value, thiz->bitrate);
break;
case PROP_QPI:
g_value_set_uint (value, thiz->qpi);
break;
case PROP_QPP:
g_value_set_uint (value, thiz->qpp);
break;
case PROP_QPB:
g_value_set_uint (value, thiz->qpb);
break;
case PROP_GOP_SIZE:
g_value_set_uint (value, thiz->gop_size);
break;
case PROP_REF_FRAMES:
g_value_set_uint (value, thiz->ref_frames);
break;
case PROP_I_FRAMES:
g_value_set_uint (value, thiz->i_frames);
break;
case PROP_B_FRAMES:
g_value_set_uint (value, thiz->b_frames);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (thiz);
}
static void
gst_msdkenc_finalize (GObject * object)
{
GstMsdkEnc *thiz = GST_MSDKENC (object);
if (thiz->input_state)
gst_video_codec_state_unref (thiz->input_state);
thiz->input_state = NULL;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_msdkenc_class_init (GstMsdkEncClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
GstVideoEncoderClass *gstencoder_class;
gobject_class = G_OBJECT_CLASS (klass);
element_class = GST_ELEMENT_CLASS (klass);
gstencoder_class = GST_VIDEO_ENCODER_CLASS (klass);
gobject_class->set_property = gst_msdkenc_set_property;
gobject_class->get_property = gst_msdkenc_get_property;
gobject_class->finalize = gst_msdkenc_finalize;
gstencoder_class->set_format = GST_DEBUG_FUNCPTR (gst_msdkenc_set_format);
gstencoder_class->handle_frame = GST_DEBUG_FUNCPTR (gst_msdkenc_handle_frame);
gstencoder_class->start = GST_DEBUG_FUNCPTR (gst_msdkenc_start);
gstencoder_class->stop = GST_DEBUG_FUNCPTR (gst_msdkenc_stop);
gstencoder_class->flush = GST_DEBUG_FUNCPTR (gst_msdkenc_flush);
gstencoder_class->finish = GST_DEBUG_FUNCPTR (gst_msdkenc_finish);
gstencoder_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_msdkenc_propose_allocation);
g_object_class_install_property (gobject_class, PROP_HARDWARE,
g_param_spec_boolean ("hardware", "Hardware", "Enable hardware encoders",
PROP_HARDWARE_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ASYNC_DEPTH,
g_param_spec_uint ("async-depth", "Async Depth",
"Depth of asynchronous pipeline",
1, 20, PROP_ASYNC_DEPTH_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_TARGET_USAGE,
g_param_spec_uint ("target-usage", "Target Usage",
"1: Best quality, 4: Balanced, 7: Best speed",
1, 7, PROP_TARGET_USAGE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_RATE_CONTROL,
g_param_spec_enum ("rate-control", "Rate Control",
"Rate control method", GST_MSDKENC_RATE_CONTROL_TYPE,
PROP_RATE_CONTROL_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_BITRATE,
g_param_spec_uint ("bitrate", "Bitrate", "Bitrate in kbit/sec", 1,
2000 * 1024, PROP_BITRATE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_PLAYING));
g_object_class_install_property (gobject_class, PROP_QPI,
g_param_spec_uint ("qpi", "QPI",
"Constant quantizer for I frames (0 unlimited)",
0, 51, PROP_QPI_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QPP,
g_param_spec_uint ("qpp", "QPP",
"Constant quantizer for P frames (0 unlimited)",
0, 51, PROP_QPP_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QPB,
g_param_spec_uint ("qpb", "QPB",
"Constant quantizer for B frames (0 unlimited)",
0, 51, PROP_QPB_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_GOP_SIZE,
g_param_spec_uint ("gop-size", "GOP Size", "GOP Size", 0,
G_MAXINT, PROP_GOP_SIZE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_REF_FRAMES,
g_param_spec_uint ("ref-frames", "Reference Frames",
"Number of reference frames",
0, G_MAXINT, PROP_REF_FRAMES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_I_FRAMES,
g_param_spec_uint ("i-frames", "I Frames",
"Number of I frames between IDR frames",
0, G_MAXINT, PROP_I_FRAMES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_B_FRAMES,
g_param_spec_uint ("b-frames", "B Frames",
"Number of B frames between I and P frames",
0, G_MAXINT, PROP_B_FRAMES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_add_static_pad_template (element_class, &sink_factory);
}
static void
gst_msdkenc_init (GstMsdkEnc * thiz)
{
thiz->hardware = PROP_HARDWARE_DEFAULT;
thiz->async_depth = PROP_ASYNC_DEPTH_DEFAULT;
thiz->target_usage = PROP_TARGET_USAGE_DEFAULT;
thiz->rate_control = PROP_RATE_CONTROL_DEFAULT;
thiz->bitrate = PROP_BITRATE_DEFAULT;
thiz->qpi = PROP_QPI_DEFAULT;
thiz->qpp = PROP_QPP_DEFAULT;
thiz->qpb = PROP_QPB_DEFAULT;
thiz->gop_size = PROP_GOP_SIZE_DEFAULT;
thiz->ref_frames = PROP_REF_FRAMES_DEFAULT;
thiz->i_frames = PROP_I_FRAMES_DEFAULT;
thiz->b_frames = PROP_B_FRAMES_DEFAULT;
}
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