mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-10 03:19:40 +00:00
Code Issues 1 Projects Releases Wiki Activity
gstreamer/subprojects/gst-plugins-bad/sys/msdk/gstmsdkdec.c

2425 lines
77 KiB
C
Raw Blame History

/* GStreamer Intel MSDK plugin
* Copyright (c) 2016, Intel Corporation
* 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.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include "gstmsdkdec.h"
#include "gstmsdkcontextutil.h"
#include "gstmsdkallocator.h"
#include "gstmsdkcaps.h"
#ifndef _WIN32
#include <libdrm/drm_fourcc.h>
#include <gst/va/gstvaallocator.h>
#include <gst/va/gstvavideoformat.h>
#else
#include <gst/d3d11/gstd3d11.h>
#endif
GST_DEBUG_CATEGORY_EXTERN (gst_msdkdec_debug);
#define GST_CAT_DEFAULT gst_msdkdec_debug
#define PROP_HARDWARE_DEFAULT TRUE
#define PROP_ASYNC_DEPTH_DEFAULT 1
#define IS_ALIGNED(i, n) (((i) & ((n)-1)) == 0)
#define GST_TO_MFX_TIME(time) ((time) == GST_CLOCK_TIME_NONE ? \
MFX_TIMESTAMP_UNKNOWN : gst_util_uint64_scale_round ((time), 9, 100000))
#define MFX_TO_GST_TIME(time) ((time) == MFX_TIMESTAMP_UNKNOWN ? \
GST_CLOCK_TIME_NONE : gst_util_uint64_scale_round ((time), 100000, 9))
#define MFX_TIME_IS_VALID(time) ((time) != MFX_TIMESTAMP_UNKNOWN)
#define GST_MSDK_FRAME_SURFACE gst_msdk_frame_surface_quark_get ()
#define gst_msdkdec_parent_class parent_class
G_DEFINE_TYPE (GstMsdkDec, gst_msdkdec, GST_TYPE_VIDEO_DECODER);
struct _MsdkDecTask
{
GstMsdkSurface *surface;
mfxSyncPoint sync_point;
gboolean decode_only;
};
static GstFlowReturn gst_msdkdec_drain (GstVideoDecoder * decoder);
static gboolean gst_msdkdec_flush (GstVideoDecoder * decoder);
static gboolean gst_msdkdec_negotiate (GstMsdkDec * thiz, gboolean hard_reset);
void
gst_msdkdec_add_bs_extra_param (GstMsdkDec * thiz, mfxExtBuffer * param)
{
if (thiz->num_bs_extra_params < MAX_BS_EXTRA_PARAMS) {
thiz->bs_extra_params[thiz->num_bs_extra_params] = param;
thiz->num_bs_extra_params++;
}
}
void
gst_msdkdec_add_video_extra_param (GstMsdkDec * thiz, mfxExtBuffer * param)
{
if (thiz->num_video_extra_params < MAX_VIDEO_EXTRA_PARAMS) {
thiz->video_extra_params[thiz->num_video_extra_params] = param;
thiz->num_video_extra_params++;
}
}
static GstVideoCodecFrame *
gst_msdkdec_get_oldest_frame (GstVideoDecoder * decoder)
{
GstVideoCodecFrame *frame = NULL, *old_frame = NULL;
GList *frames, *l;
gint count = 0;
frames = gst_video_decoder_get_frames (decoder);
for (l = frames; l != NULL; l = l->next) {
GstVideoCodecFrame *f = l->data;
if (!GST_CLOCK_TIME_IS_VALID (f->pts)) {
GST_INFO
("Frame doesn't have a valid pts yet, Use gst_video_decoder_get_oldest_frame()"
"with out considering the PTS for selecting the frame to be finished");
old_frame = gst_video_decoder_get_oldest_frame (decoder);
break;
}
if (!frame || frame->pts > f->pts)
frame = f;
count++;
}
if (old_frame)
frame = old_frame;
if (frame) {
GST_LOG_OBJECT (decoder,
"Oldest frame is %d %" GST_TIME_FORMAT " and %d frames left",
frame->system_frame_number, GST_TIME_ARGS (frame->pts), count - 1);
gst_video_codec_frame_ref (frame);
}
if (old_frame)
gst_video_codec_frame_unref (old_frame);
g_list_free_full (frames, (GDestroyNotify) gst_video_codec_frame_unref);
return frame;
}
static inline void
free_surface (GstMsdkSurface * s)
{
gst_buffer_unref (s->buf);
g_slice_free (GstMsdkSurface, s);
}
static gboolean
gst_msdkdec_free_unlocked_msdk_surfaces (GstMsdkDec * thiz,
gboolean check_avail_surface)
{
GList *l;
GstMsdkSurface *surface;
for (l = thiz->locked_msdk_surfaces; l;) {
GList *next = l->next;
surface = l->data;
if (surface->surface->Data.Locked == 0 &&
GST_MINI_OBJECT_REFCOUNT_VALUE (surface->buf) == 1) {
free_surface (surface);
thiz->locked_msdk_surfaces =
g_list_delete_link (thiz->locked_msdk_surfaces, l);
/* When check_avail_surface flag is enabled, it means we only
* need to find one available surface instead of releasing all
* the unlocked surfaces, so we can return TEUR here.
*/
if (check_avail_surface)
return TRUE;
}
l = next;
}
/* We need to check if all surfaces are in used */
if (g_list_length (thiz->locked_msdk_surfaces) ==
thiz->alloc_resp.NumFrameActual)
return FALSE;
else
return TRUE;
}
static GstMsdkSurface *
allocate_output_surface (GstMsdkDec * thiz)
{
GstMsdkSurface *msdk_surface = NULL;
GstBuffer *out_buffer = NULL;
GstMemory *mem = NULL;
mfxFrameSurface1 *mfx_surface = NULL;
gint n = 0;
guint retry_times = 1000;
#ifdef _WIN32
GstMapInfo map_info;
#endif
/* Free un-unsed msdk surfaces firstly, hence the associated mfx
* surfaces will be moved from used list to available list */
if (!gst_msdkdec_free_unlocked_msdk_surfaces (thiz, FALSE)) {
for (n = 0; n < retry_times; n++) {
/* It is MediaSDK/oneVPL's requirement that only the pre-allocated
* surfaces can be used during the whole decoding process.
* In the case of decoder plus multi-encoders, it is possible
* that all surfaces are used by downstreams and no more surfaces
* available for decoder. So here we need to wait until there is at
* least one surface is free for decoder.
*/
g_usleep (1000);
if (gst_msdkdec_free_unlocked_msdk_surfaces (thiz, TRUE))
break;
}
if (n == retry_times) {
GST_WARNING ("No available unlocked msdk surfaces");
return NULL;
}
}
if ((gst_buffer_pool_acquire_buffer (thiz->alloc_pool, &out_buffer, NULL))
!= GST_FLOW_OK) {
GST_ERROR_OBJECT (thiz, "Failed to allocate output buffer");
return NULL;
}
#ifdef _WIN32
/* For d3d11 we should call gst_buffer_map with GST_MAP_WRITE |
* GST_MAP_D3D11 flags to make sure the staging texture has been uploaded
*/
if (!gst_buffer_map (out_buffer, &map_info, GST_MAP_WRITE | GST_MAP_D3D11)) {
GST_ERROR ("Failed to map buffer");
return NULL;
}
#endif
mem = gst_buffer_peek_memory (out_buffer, 0);
msdk_surface = g_slice_new0 (GstMsdkSurface);
if ((mfx_surface = gst_mini_object_get_qdata (GST_MINI_OBJECT_CAST (mem),
GST_MSDK_FRAME_SURFACE))) {
msdk_surface->surface = mfx_surface;
msdk_surface->from_qdata = TRUE;
#ifdef _WIN32
gst_buffer_unmap (out_buffer, &map_info);
#endif
} else {
GST_ERROR ("No available surfaces");
g_slice_free (GstMsdkSurface, msdk_surface);
return NULL;
}
msdk_surface->buf = out_buffer;
if (!thiz->sfc)
gst_msdk_update_mfx_frame_info_from_mfx_video_param
(&msdk_surface->surface->Info, &thiz->param);
thiz->locked_msdk_surfaces =
g_list_append (thiz->locked_msdk_surfaces, msdk_surface);
return msdk_surface;
}
static void
gst_msdkdec_close_decoder (GstMsdkDec * thiz, gboolean reset_param)
{
mfxStatus status;
if (!thiz->context || !thiz->initialized)
return;
GST_DEBUG_OBJECT (thiz, "Closing decoder with context %" GST_PTR_FORMAT,
thiz->context);
gst_msdk_frame_free (thiz->context, &thiz->alloc_resp);
status = MFXVideoDECODE_Close (gst_msdk_context_get_session (thiz->context));
if (status != MFX_ERR_NONE && status != MFX_ERR_NOT_INITIALIZED) {
GST_WARNING_OBJECT (thiz, "Decoder close failed (%s)",
msdk_status_to_string (status));
}
g_array_set_size (thiz->tasks, 0);
if (reset_param)
memset (&thiz->param, 0, sizeof (thiz->param));
thiz->num_bs_extra_params = 0;
thiz->num_video_extra_params = 0;
thiz->initialized = FALSE;
gst_adapter_clear (thiz->adapter);
}
static void
gst_msdkdec_set_context (GstElement * element, GstContext * context)
{
GstMsdkContext *msdk_context = NULL;
GstMsdkDec *thiz = GST_MSDKDEC (element);
if (gst_msdk_context_get_context (context, &msdk_context)) {
gst_object_replace ((GstObject **) & thiz->context,
(GstObject *) msdk_context);
gst_object_unref (msdk_context);
} else
#ifndef _WIN32
if (gst_msdk_context_from_external_va_display (context,
thiz->hardware, 0 /* GST_MSDK_JOB_DECODER will be set later */ ,
&msdk_context)) {
gst_object_replace ((GstObject **) & thiz->context,
(GstObject *) msdk_context);
gst_object_unref (msdk_context);
}
#else
if (gst_msdk_context_from_external_d3d11_device (context,
thiz->hardware, 0 /* GST_MSDK_JOB_DECODER will be set later */ ,
&msdk_context)) {
gst_object_replace ((GstObject **) & thiz->context,
(GstObject *) msdk_context);
gst_object_unref (msdk_context);
}
#endif
GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
}
static gboolean
gst_msdkdec_init_decoder (GstMsdkDec * thiz)
{
GstMsdkDecClass *klass = GST_MSDKDEC_GET_CLASS (thiz);
GstVideoInfo *info, *output_info;
mfxSession session;
mfxStatus status;
mfxFrameAllocRequest request;
gint shared_async_depth;
#if (MFX_VERSION >= 1022)
mfxExtDecVideoProcessing ext_dec_video_proc;
#endif
if (thiz->initialized)
return TRUE;
if (!thiz->context) {
GST_WARNING_OBJECT (thiz, "No MSDK Context");
return FALSE;
}
if (!thiz->input_state) {
GST_DEBUG_OBJECT (thiz, "Have no input state yet");
return FALSE;
}
info = &thiz->input_state->info;
output_info = &thiz->output_state->info;
GST_OBJECT_LOCK (thiz);
gst_msdk_set_frame_allocator (thiz->context);
thiz->param.IOPattern = MFX_IOPATTERN_OUT_VIDEO_MEMORY;
thiz->param.AsyncDepth = thiz->async_depth;
/* We expect msdk to fill the width and height values */
if (!(thiz->param.mfx.FrameInfo.Width && thiz->param.mfx.FrameInfo.Height))
goto failed;
klass->preinit_decoder (thiz);
/* Set frame rate only if provided.
* If not, frame rate will be assumed inside the driver.
* Also we respect the upstream provided fps values */
if (info->fps_n > 0 && info->fps_d > 0
&& info->fps_n != thiz->param.mfx.FrameInfo.FrameRateExtN
&& info->fps_d != thiz->param.mfx.FrameInfo.FrameRateExtD) {
thiz->param.mfx.FrameInfo.FrameRateExtN = info->fps_n;
thiz->param.mfx.FrameInfo.FrameRateExtD = info->fps_d;
}
if (info->par_n && info->par_d && !thiz->param.mfx.FrameInfo.AspectRatioW
&& !thiz->param.mfx.FrameInfo.AspectRatioH) {
thiz->param.mfx.FrameInfo.AspectRatioW = info->par_n;
thiz->param.mfx.FrameInfo.AspectRatioH = info->par_d;
}
thiz->param.mfx.FrameInfo.FourCC =
thiz->param.mfx.FrameInfo.FourCC ? thiz->param.mfx.
FrameInfo.FourCC : MFX_FOURCC_NV12;
thiz->param.mfx.FrameInfo.ChromaFormat =
thiz->param.mfx.FrameInfo.ChromaFormat ? thiz->param.mfx.
FrameInfo.ChromaFormat : MFX_CHROMAFORMAT_YUV420;
#if (MFX_VERSION >= 1022)
if (output_info && thiz->sfc) {
memset (&ext_dec_video_proc, 0, sizeof (ext_dec_video_proc));
ext_dec_video_proc.Header.BufferId = MFX_EXTBUFF_DEC_VIDEO_PROCESSING;
ext_dec_video_proc.Header.BufferSz = sizeof (ext_dec_video_proc);
ext_dec_video_proc.In.CropW = thiz->param.mfx.FrameInfo.CropW;
ext_dec_video_proc.In.CropH = thiz->param.mfx.FrameInfo.CropH;
ext_dec_video_proc.In.CropX = 0;
ext_dec_video_proc.In.CropY = 0;
ext_dec_video_proc.Out.FourCC =
gst_msdk_get_mfx_fourcc_from_format (output_info->finfo->format);
ext_dec_video_proc.Out.ChromaFormat =
gst_msdk_get_mfx_chroma_from_format (output_info->finfo->format);
ext_dec_video_proc.Out.Width = GST_ROUND_UP_16 (output_info->width);
ext_dec_video_proc.Out.Height = GST_ROUND_UP_32 (output_info->height);
ext_dec_video_proc.Out.CropW = output_info->width;
ext_dec_video_proc.Out.CropH = output_info->height;
ext_dec_video_proc.Out.CropX = 0;
ext_dec_video_proc.Out.CropY = 0;
gst_msdkdec_add_video_extra_param (thiz,
(mfxExtBuffer *) & ext_dec_video_proc);
}
#endif
if (thiz->num_video_extra_params) {
thiz->param.NumExtParam = thiz->num_video_extra_params;
thiz->param.ExtParam = thiz->video_extra_params;
}
session = gst_msdk_context_get_session (thiz->context);
/* validate parameters and allow MFX to make adjustments */
status = MFXVideoDECODE_Query (session, &thiz->param, &thiz->param);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "Video Decode Query failed (%s)",
msdk_status_to_string (status));
goto failed;
} else if (status > MFX_ERR_NONE) {
GST_WARNING_OBJECT (thiz, "Video Decode Query returned: %s",
msdk_status_to_string (status));
}
klass->postinit_decoder (thiz);
status = MFXVideoDECODE_QueryIOSurf (session, &thiz->param, &request);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "Query IO surfaces failed (%s)",
msdk_status_to_string (status));
goto failed;
} else if (status > MFX_ERR_NONE) {
GST_WARNING_OBJECT (thiz, "Query IO surfaces returned: %s",
msdk_status_to_string (status));
}
if (request.NumFrameSuggested < thiz->param.AsyncDepth) {
GST_ERROR_OBJECT (thiz, "Required %d surfaces (%d suggested), async %d",
request.NumFrameMin, request.NumFrameSuggested, thiz->param.AsyncDepth);
goto failed;
}
/* account for downstream requirement */
if (G_LIKELY (thiz->min_prealloc_buffers))
request.NumFrameSuggested += thiz->min_prealloc_buffers;
else
GST_WARNING_OBJECT (thiz,
"Allocating resources without considering the downstream requirement"
"or extra scratch surface count");
shared_async_depth = gst_msdk_context_get_shared_async_depth (thiz->context);
request.NumFrameSuggested += shared_async_depth;
request.Type |= MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET;
if (thiz->use_dmabuf)
request.Type |= MFX_MEMTYPE_EXPORT_FRAME;
#if (MFX_VERSION >= 1022)
if (thiz->sfc) {
request.Info.Width = ext_dec_video_proc.Out.Width;
request.Info.Height = ext_dec_video_proc.Out.Height;
}
#endif
gst_msdk_frame_alloc (thiz->context, &request, &thiz->alloc_resp);
thiz->alloc_pool = gst_msdk_context_get_alloc_pool (thiz->context);
/* update the prealloc_buffer count, which will be used later
* as GstBufferPool min_buffers */
thiz->min_prealloc_buffers = request.NumFrameSuggested;
GST_DEBUG_OBJECT (thiz, "Required %d surfaces (%d suggested)",
request.NumFrameMin, request.NumFrameSuggested);
status = MFXVideoDECODE_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 = MFXVideoDECODE_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));
}
g_array_set_size (thiz->tasks, 0); /* resets array content */
g_array_set_size (thiz->tasks, thiz->param.AsyncDepth);
thiz->next_task = 0;
GST_OBJECT_UNLOCK (thiz);
thiz->initialized = TRUE;
return TRUE;
failed:
GST_OBJECT_UNLOCK (thiz);
return FALSE;
}
static gboolean
pad_accept_memory (GstMsdkDec * thiz, const gchar * mem_type, GstCaps ** filter)
{
gboolean ret = FALSE;
GstCaps *caps, *out_caps;
GstPad *pad;
pad = GST_VIDEO_DECODER_SRC_PAD (thiz);
caps = gst_caps_copy (*filter);
gst_caps_set_features (caps, 0, gst_caps_features_from_string (mem_type));
#ifndef _WIN32
/* In dma caps case, we need to set drm-format for raw caps */
if (gst_msdkcaps_has_feature (caps, GST_CAPS_FEATURE_MEMORY_DMABUF)) {
GstStructure *s = gst_caps_get_structure (caps, 0);
if (gst_structure_has_field (s, "format")) {
const gchar *fmt_str = gst_structure_get_string (s, "format");
GstVideoFormat fmt = gst_video_format_from_string (fmt_str);
guint32 fourcc = gst_va_drm_fourcc_from_video_format (fmt);
gchar *drm_str =
gst_video_dma_drm_fourcc_to_string (fourcc, thiz->modifier);
gst_msdkcaps_set_strings (caps, mem_type, "drm-format", drm_str);
gst_caps_set_simple (caps, "format", G_TYPE_STRING, "DMA_DRM", NULL);
g_free (drm_str);
}
}
#endif
out_caps = gst_pad_peer_query_caps (pad, caps);
if (!out_caps || gst_caps_is_empty (out_caps))
goto done;
if (gst_msdkcaps_has_feature (out_caps, mem_type)) {
gst_caps_replace (filter, caps);
ret = TRUE;
}
done:
if (caps)
gst_caps_unref (caps);
if (out_caps)
gst_caps_unref (out_caps);
return ret;
}
static GstCaps *
gst_msdkdec_getcaps (GstVideoDecoder * decoder, GstCaps * filter)
{
GstCaps *caps, *tmp = NULL;
caps = gst_pad_get_pad_template_caps (decoder->sinkpad);
if (caps) {
if (filter) {
tmp = gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (caps);
caps = tmp;
}
} else {
caps = gst_video_decoder_proxy_getcaps (decoder, NULL, filter);
}
return caps;
}
static gboolean
gst_msdkdec_fixate_format (GstMsdkDec * thiz, GstCaps * caps,
GstVideoFormat fmt)
{
GValue gfmt = G_VALUE_INIT;
g_return_val_if_fail (caps != NULL, FALSE);
g_return_val_if_fail (gst_caps_is_writable (caps), FALSE);
g_return_val_if_fail (fmt != GST_VIDEO_FORMAT_UNKNOWN, FALSE);
g_value_init (&gfmt, G_TYPE_STRING);
for (guint i = 0; i < gst_caps_get_size (caps); i++) {
GstStructure *s = gst_caps_get_structure (caps, i);
#ifndef _WIN32
GstCapsFeatures *f = gst_caps_get_features (caps, i);
if (gst_caps_features_contains (f, GST_CAPS_FEATURE_MEMORY_DMABUF)) {
const GValue *drm_fmts = gst_structure_get_value (s, "drm-format");
guint32 fourcc = gst_va_drm_fourcc_from_video_format (fmt);
gchar *drm_str =
gst_video_dma_drm_fourcc_to_string (fourcc, thiz->modifier);
g_value_set_string (&gfmt, drm_str);
g_free (drm_str);
if (!gst_value_can_intersect (&gfmt, drm_fmts))
goto failed;
gst_structure_set_value (s, "drm-format", &gfmt);
continue;
}
#endif
const GValue *fmts = gst_structure_get_value (s, "format");
g_value_set_string (&gfmt, gst_video_format_to_string (fmt));
if (!gst_value_can_intersect (&gfmt, fmts))
goto failed;
gst_structure_set_value (s, "format", &gfmt);
}
g_value_unset (&gfmt);
return TRUE;
failed:
g_value_unset (&gfmt);
return FALSE;
}
static gboolean
gst_msdkdec_set_src_caps (GstMsdkDec * thiz, gboolean need_allocation)
{
GstVideoInfo vinfo;
GstVideoAlignment align;
GstCaps *allocation_caps = NULL;
GstCaps *allowed_caps = NULL, *temp_caps, *out_caps, *src_caps;
GstVideoFormat format;
guint width, height;
guint alloc_w, alloc_h;
int out_width = 0, out_height = 0;
gint dar_n = -1, dar_d = -1;
GstStructure *outs = NULL;
const gchar *out_format;
GValue v_width = G_VALUE_INIT;
GValue v_height = G_VALUE_INIT;
gboolean has_drm_format = FALSE;
/* use display width and display height in output state, which
* will be used for caps negotiation */
width =
thiz->param.mfx.FrameInfo.CropW ? thiz->param.mfx.
FrameInfo.CropW : GST_VIDEO_INFO_WIDTH (&thiz->input_state->info);
height =
thiz->param.mfx.FrameInfo.CropH ? thiz->param.mfx.
FrameInfo.CropH : GST_VIDEO_INFO_HEIGHT (&thiz->input_state->info);
format =
gst_msdk_get_video_format_from_mfx_fourcc (thiz->param.mfx.
FrameInfo.FourCC);
if (format == GST_VIDEO_FORMAT_UNKNOWN) {
GST_WARNING_OBJECT (thiz, "Failed to find a valid video format");
return FALSE;
}
#ifndef _WIN32
/* Get possible modifier before negotiation really happens */
GstVaDisplay *display =
(GstVaDisplay *) gst_msdk_context_get_va_display (thiz->context);
thiz->modifier = gst_va_dmabuf_get_modifier_for_format (display, format,
VA_SURFACE_ATTRIB_USAGE_HINT_DECODER);
gst_object_unref (display);
#endif
#if (MFX_VERSION >= 1022)
/* SFC is triggered (for AVC and HEVC) when default output format is not
* accepted by downstream or when downstream requests for a smaller
* resolution (i.e. SFC supports down-scaling)
* Here we need to do the query twice: the first time uses default color
* format and bitstream's original size to query peer pad, empty caps
* means default format and/or size are not accepted by downstream;
* then we need the second query to decide src caps' color format and size,
* and let SFC work. */
if (thiz->param.mfx.CodecId == MFX_CODEC_AVC ||
thiz->param.mfx.CodecId == MFX_CODEC_HEVC) {
temp_caps = gst_pad_query_caps (GST_VIDEO_DECODER (thiz)->srcpad, NULL);
temp_caps = gst_caps_make_writable (temp_caps);
if (!gst_msdkdec_fixate_format (thiz, temp_caps, format)) {
GST_ERROR_OBJECT (thiz, "Format is not negotiable");
gst_caps_unref (temp_caps);
return FALSE;
}
g_value_init (&v_width, G_TYPE_INT);
g_value_init (&v_height, G_TYPE_INT);
g_value_set_int (&v_width, width);
g_value_set_int (&v_height, height);
gst_caps_set_value (temp_caps, "width", &v_width);
gst_caps_set_value (temp_caps, "height", &v_height);
g_value_unset (&v_width);
g_value_unset (&v_height);
src_caps = gst_pad_peer_query_caps (GST_VIDEO_DECODER
(thiz)->srcpad, temp_caps);
gst_caps_unref (temp_caps);
if (gst_caps_is_empty (src_caps)) {
if (!gst_util_fraction_multiply (width, height,
GST_VIDEO_INFO_PAR_N (&thiz->input_state->info),
GST_VIDEO_INFO_PAR_D (&thiz->input_state->info),
&dar_n, &dar_d)) {
GST_ERROR_OBJECT (thiz, "Error to calculate the output scaled size");
gst_caps_unref (src_caps);
return FALSE;
}
allowed_caps =
gst_pad_get_allowed_caps (GST_VIDEO_DECODER (thiz)->srcpad);
outs = gst_caps_get_structure (allowed_caps, 0);
if (gst_structure_has_field (outs, "drm-format")) {
out_format = gst_structure_get_string (outs, "drm-format");
has_drm_format = TRUE;
} else {
out_format = gst_structure_get_string (outs, "format");
}
if (out_format) {
if (has_drm_format) {
#ifndef _WIN32
guint drm_fourcc =
gst_video_dma_drm_fourcc_from_string (out_format, NULL);
format = gst_va_video_format_from_drm_fourcc (drm_fourcc);
#endif
} else {
format = gst_video_format_from_string (out_format);
}
thiz->sfc = TRUE;
}
gst_structure_get_int (outs, "width", &out_width);
gst_structure_get_int (outs, "height", &out_height);
if (!out_width && !out_height) {
out_width = width;
out_height = height;
} else {
/* When user does not set out_width, fill it to fit DAR */
if (!out_width)
out_width = gst_util_uint64_scale (out_height, dar_n, dar_d);
/* When user does not set out_height, fill it to fit DAR */
if (!out_height)
out_height = gst_util_uint64_scale (out_width, dar_d, dar_n);
if (out_width > width || out_height > height)
goto sfc_error;
else if (out_width < width || out_height < height) {
width = out_width;
height = out_height;
thiz->sfc = TRUE;
}
}
gst_caps_unref (allowed_caps);
}
gst_caps_unref (src_caps);
}
#endif
thiz->output_state =
gst_video_decoder_set_output_state (GST_VIDEO_DECODER (thiz),
format, width, height, thiz->input_state);
if (!thiz->output_state)
return FALSE;
/* Find allocation width and height */
alloc_w =
GST_ROUND_UP_16 (thiz->param.mfx.FrameInfo.Width ? thiz->param.mfx.
FrameInfo.Width : width);
alloc_h =
GST_ROUND_UP_32 (thiz->param.mfx.FrameInfo.Height ? thiz->param.mfx.
FrameInfo.Height : height);
/* Ensure output_state->caps and info have same width and height
* Also, mandate 32 bit alignment */
vinfo = thiz->output_state->info;
if (width == out_width || height == out_height)
gst_msdk_set_video_alignment (&vinfo, 0, 0, &align);
else
gst_msdk_set_video_alignment (&vinfo, alloc_w, alloc_h, &align);
gst_video_info_align (&vinfo, &align);
out_caps = gst_video_info_to_caps (&vinfo);
#ifndef _WIN32
if (pad_accept_memory (thiz, GST_CAPS_FEATURE_MEMORY_VA, &out_caps)) {
GST_INFO_OBJECT (thiz, "Decoder src pad accepts VAMemory caps");
} else if (pad_accept_memory (thiz, GST_CAPS_FEATURE_MEMORY_DMABUF,
&out_caps)) {
GST_INFO_OBJECT (thiz, "Decoder src pad accepts DMABuf caps");
}
#else
if (pad_accept_memory (thiz, GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, &out_caps)) {
GST_INFO_OBJECT (thiz, "Decoder src pad accepts D3D11Memory caps");
}
#endif
thiz->output_state->caps = out_caps;
if (need_allocation) {
/* Find allocation width and height */
width =
GST_ROUND_UP_16 (thiz->param.mfx.FrameInfo.Width ? thiz->param.mfx.
FrameInfo.Width : GST_VIDEO_INFO_WIDTH (&thiz->output_state->info));
height =
GST_ROUND_UP_32 (thiz->param.mfx.FrameInfo.Height ? thiz->param.mfx.
FrameInfo.Height : GST_VIDEO_INFO_HEIGHT (&thiz->output_state->info));
/* set allocation width and height in allocation_caps,
* which may or may not be similar to the output_state caps */
allocation_caps = gst_caps_copy (thiz->output_state->caps);
gst_caps_set_simple (allocation_caps, "width", G_TYPE_INT, width, "height",
G_TYPE_INT, height, NULL);
GST_INFO_OBJECT (thiz, "new alloc caps = %" GST_PTR_FORMAT,
allocation_caps);
gst_caps_replace (&thiz->output_state->allocation_caps, allocation_caps);
gst_caps_unref (allocation_caps);
} else {
/* We keep the allocation parameters as it is to avoid pool re-negotiation.
* For codecs like VP9, dynamic resolution change doesn't require allocation
* reset if the new video frame resolution is lower than the
* already configured one */
}
return TRUE;
sfc_error:
GST_ERROR_OBJECT (thiz, "Decoder SFC cannot do up-scaling");
gst_caps_unref (allowed_caps);
gst_caps_unref (temp_caps);
return FALSE;
}
static void
gst_msdkdec_set_latency (GstMsdkDec * thiz)
{
GstVideoInfo *info = &thiz->input_state->info;
gint min_delayed_frames;
GstClockTime latency;
min_delayed_frames = thiz->async_depth;
if (info->fps_n) {
latency = gst_util_uint64_scale_ceil (GST_SECOND * info->fps_d,
min_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,
min_delayed_frames, 25);
}
GST_INFO_OBJECT (thiz,
"Updating latency to %" GST_TIME_FORMAT " (%d frames)",
GST_TIME_ARGS (latency), min_delayed_frames);
gst_video_decoder_set_latency (GST_VIDEO_DECODER (thiz), latency, latency);
}
static gint
_find_msdk_surface (gconstpointer msdk_surface, gconstpointer comp_surface)
{
GstMsdkSurface *cached_surface = (GstMsdkSurface *) msdk_surface;
mfxFrameSurface1 *_surface = (mfxFrameSurface1 *) comp_surface;
return cached_surface ? cached_surface->surface != _surface : -1;
}
static void
finish_task (GstMsdkDec * thiz, MsdkDecTask * task)
{
GstMsdkSurface *surface = task->surface;
if (surface) {
thiz->locked_msdk_surfaces =
g_list_append (thiz->locked_msdk_surfaces, surface);
}
task->sync_point = NULL;
task->surface = NULL;
task->decode_only = FALSE;
}
static void
gst_msdkdec_frame_corruption_report (GstMsdkDec * thiz, mfxU16 corruption)
{
if (!thiz->report_error || !corruption)
return;
if (corruption & MFX_CORRUPTION_MINOR)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Corruption] Minor corruption detected!"), (NULL));
if (corruption & MFX_CORRUPTION_MAJOR)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Corruption] Major corruption detected!"), (NULL));
if (corruption & MFX_CORRUPTION_ABSENT_TOP_FIELD)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Corruption] Absent top field!"), (NULL));
if (corruption & MFX_CORRUPTION_ABSENT_BOTTOM_FIELD)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Corruption] Absent bottom field!"), (NULL));
if (corruption & MFX_CORRUPTION_REFERENCE_FRAME)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Corruption] Corrupted reference frame!"), (NULL));
if (corruption & MFX_CORRUPTION_REFERENCE_LIST)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Corruption] Corrupted reference list!"), (NULL));
}
static gboolean
_copy_to_sys_mem (GstMsdkDec * thiz, GstMsdkSurface * surface,
GstVideoCodecFrame * frame)
{
GstBuffer *buffer = NULL;
GstVideoFrame src_frame;
GstVideoFrame dst_frame;
GstVideoInfo *src_info;
GstVideoInfo dst_info;
src_info = &thiz->output_state->info;
gst_video_info_set_format (&dst_info, GST_VIDEO_INFO_FORMAT (src_info),
GST_VIDEO_INFO_WIDTH (src_info), GST_VIDEO_INFO_HEIGHT (src_info));
if (!gst_buffer_pool_is_active (thiz->other_pool) &&
!gst_buffer_pool_set_active (thiz->other_pool, TRUE)) {
GST_ERROR_OBJECT (thiz, "Failed to activate buffer pool");
goto error_active;
}
if (gst_buffer_pool_acquire_buffer (thiz->other_pool, &buffer, NULL)
!= GST_FLOW_OK) {
GST_ERROR ("Failed to acquire buffer from pool");
goto error;
}
if (!gst_video_frame_map (&src_frame, src_info, surface->buf, GST_MAP_READ)) {
GST_ERROR_OBJECT (thiz, "Failed to map buf to src frame");
goto error;
}
if (!gst_video_frame_map (&dst_frame, &dst_info, buffer, GST_MAP_WRITE)) {
GST_ERROR_OBJECT (thiz, "Failed to map buf to dst frame");
gst_video_frame_unmap (&src_frame);
goto error;
}
if (!gst_video_frame_copy (&dst_frame, &src_frame)) {
GST_ERROR_OBJECT (thiz, "Failed to copy surface data");
gst_video_frame_unmap (&src_frame);
gst_video_frame_unmap (&dst_frame);
goto error;
}
frame->output_buffer = buffer;
gst_video_frame_unmap (&src_frame);
gst_video_frame_unmap (&dst_frame);
return TRUE;
error:
gst_buffer_unref (buffer);
gst_buffer_pool_set_active (thiz->other_pool, FALSE);
gst_object_unref (thiz->other_pool);
error_active:
return FALSE;
}
static GstFlowReturn
gst_msdkdec_finish_task (GstMsdkDec * thiz, MsdkDecTask * task)
{
GstVideoDecoder *decoder = GST_VIDEO_DECODER (thiz);
GstFlowReturn flow;
GstVideoCodecFrame *frame;
GstMsdkSurface *surface;
mfxStatus status;
guint64 pts = MFX_TIMESTAMP_UNKNOWN;
if (G_LIKELY (task->sync_point)) {
status =
MFXVideoCORE_SyncOperation (gst_msdk_context_get_session
(thiz->context), task->sync_point, 300000);
if (status != MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "failed to do sync operation");
return GST_FLOW_ERROR;
}
}
surface = task->surface;
if (surface) {
gst_msdkdec_frame_corruption_report (thiz,
surface->surface->Data.Corrupted);
GST_DEBUG_OBJECT (thiz, "Decoded MFX TimeStamp: %" G_GUINT64_FORMAT,
(guint64) surface->surface->Data.TimeStamp);
pts = surface->surface->Data.TimeStamp;
if (thiz->param.mfx.CodecId == MFX_CODEC_VP9) {
/* detect whether the resolution change and negotiate with downstream if so */
if ((surface->surface->Info.CropW && surface->surface->Info.CropH)
&& ((thiz->output_state->info.width != surface->surface->Info.CropW)
|| (thiz->output_state->info.height !=
surface->surface->Info.CropH))) {
thiz->output_state->info.width = surface->surface->Info.CropW;
thiz->output_state->info.height = surface->surface->Info.CropH;
thiz->output_state->caps =
gst_video_info_to_caps (&thiz->output_state->info);
if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (thiz))) {
GST_ERROR_OBJECT (thiz, "Failed to negotiate");
return GST_FLOW_NOT_NEGOTIATED;
}
}
}
}
if (G_LIKELY (task->sync_point || (surface && task->decode_only))) {
gboolean decode_only = task->decode_only;
frame = gst_msdkdec_get_oldest_frame (decoder);
/* align decoder frame list with current decoded position */
while (frame && MFX_TIME_IS_VALID (pts)
&& GST_CLOCK_TIME_IS_VALID (frame->pts)
&& GST_TO_MFX_TIME (frame->pts) < pts) {
GST_INFO_OBJECT (thiz, "Discarding frame: %p PTS: %" GST_TIME_FORMAT
" MFX TimeStamp: %" G_GUINT64_FORMAT,
frame, GST_TIME_ARGS (frame->pts), GST_TO_MFX_TIME (frame->pts));
gst_video_decoder_release_frame (decoder, frame);
frame = gst_msdkdec_get_oldest_frame (decoder);
}
if (G_LIKELY (frame)) {
if (!thiz->do_copy) {
/* gst_video_decoder_finish_frame will call gst_buffer_make_writable
* we need this to avoid copy buffer */
GST_MINI_OBJECT_FLAG_SET (surface->buf, GST_MINI_OBJECT_FLAG_LOCKABLE);
frame->output_buffer = gst_buffer_ref (surface->buf);
} else {
/* We need to do the copy from video memory to system memory */
if (!_copy_to_sys_mem (thiz, surface, frame))
return GST_FLOW_ERROR;
}
GST_DEBUG_OBJECT (thiz, "surface %p TimeStamp: %" G_GUINT64_FORMAT
" frame %p TimeStamp: %" G_GUINT64_FORMAT,
surface->surface, (guint64) surface->surface->Data.TimeStamp,
frame, GST_TO_MFX_TIME (frame->pts));
}
finish_task (thiz, task);
if (!frame)
return GST_FLOW_FLUSHING;
if (decode_only)
GST_VIDEO_CODEC_FRAME_SET_DECODE_ONLY (frame);
frame->pts = MFX_TO_GST_TIME (pts);
flow = gst_video_decoder_finish_frame (decoder, frame);
if (flow == GST_FLOW_ERROR)
GST_ERROR_OBJECT (thiz, "Failed to finish frame");
return flow;
}
finish_task (thiz, task);
return GST_FLOW_OK;
}
static gboolean
gst_msdkdec_context_prepare (GstMsdkDec * thiz)
{
/* Try to find an existing context from the pipeline. This may (indirectly)
* invoke gst_msdkdec_set_context, which will set thiz->context. */
if (!gst_msdk_context_find (GST_ELEMENT_CAST (thiz), &thiz->context))
return FALSE;
if (thiz->context == thiz->old_context) {
GST_INFO_OBJECT (thiz, "Found old context %" GST_PTR_FORMAT
", reusing as-is", thiz->context);
return TRUE;
}
GST_INFO_OBJECT (thiz, "Found context %" GST_PTR_FORMAT " from neighbour",
thiz->context);
if (!(gst_msdk_context_get_job_type (thiz->context) & GST_MSDK_JOB_DECODER)) {
gst_msdk_context_add_job_type (thiz->context, GST_MSDK_JOB_DECODER);
return TRUE;
}
/* Found an existing context that's already being used as a decoder, clone
* the MFX session inside it to create a new one */
{
GstMsdkContext *parent_context, *msdk_context;
GST_INFO_OBJECT (thiz, "Creating new context %" GST_PTR_FORMAT " with "
"joined session", thiz->context);
parent_context = thiz->context;
msdk_context = gst_msdk_context_new_with_parent (parent_context);
if (!msdk_context) {
GST_ERROR_OBJECT (thiz, "Failed to create a context with parent context "
"as %" GST_PTR_FORMAT, parent_context);
return FALSE;
}
thiz->context = msdk_context;
gst_msdk_context_add_shared_async_depth (thiz->context,
gst_msdk_context_get_shared_async_depth (parent_context));
gst_object_unref (parent_context);
}
return TRUE;
}
static gboolean
gst_msdkdec_start (GstVideoDecoder * decoder)
{
GstMsdkDec *thiz = GST_MSDKDEC (decoder);
if (!gst_msdkdec_context_prepare (thiz)) {
if (!gst_msdk_ensure_new_context (GST_ELEMENT_CAST (thiz),
thiz->hardware, GST_MSDK_JOB_DECODER, &thiz->context))
return FALSE;
GST_INFO_OBJECT (thiz, "Creating new context %" GST_PTR_FORMAT,
thiz->context);
}
/* Save the current context in a separate field so that we know whether it
* has changed between calls to _start() */
gst_object_replace ((GstObject **) & thiz->old_context,
(GstObject *) thiz->context);
gst_msdk_context_add_shared_async_depth (thiz->context, thiz->async_depth);
return TRUE;
}
static gboolean
gst_msdkdec_close (GstVideoDecoder * decoder)
{
GstMsdkDec *thiz = GST_MSDKDEC (decoder);
gst_clear_object (&thiz->context);
return TRUE;
}
static gboolean
gst_msdkdec_stop (GstVideoDecoder * decoder)
{
GstMsdkDec *thiz = GST_MSDKDEC (decoder);
gst_msdkdec_flush (decoder);
if (thiz->input_state) {
gst_video_codec_state_unref (thiz->input_state);
thiz->input_state = NULL;
}
g_clear_pointer (&thiz->output_state, gst_video_codec_state_unref);
if (thiz->pool) {
gst_object_unref (thiz->pool);
thiz->pool = NULL;
}
if (thiz->other_pool) {
gst_object_unref (thiz->other_pool);
thiz->other_pool = NULL;
}
gst_object_replace ((GstObject **) & thiz->alloc_pool, NULL);
gst_video_info_init (&thiz->non_msdk_pool_info);
gst_msdkdec_close_decoder (thiz, TRUE);
return TRUE;
}
static gboolean
gst_msdkdec_set_format (GstVideoDecoder * decoder, GstVideoCodecState * state)
{
GstMsdkDec *thiz = GST_MSDKDEC (decoder);
if (thiz->input_state) {
/* mark for re-negotiation if display resolution or any other video info
* changes like framerate. */
if (!gst_video_info_is_equal (&thiz->input_state->info, &state->info)) {
GST_INFO_OBJECT (thiz, "Schedule renegotiation as video info changed");
thiz->do_renego = TRUE;
}
gst_video_codec_state_unref (thiz->input_state);
}
thiz->input_state = gst_video_codec_state_ref (state);
/* we don't set output state here to avoid caching of mismatched
* video information if there is dynamic resolution change in the stream.
* All negotiation code is consolidated in gst_msdkdec_negotiate() and
* this will be invoked from handle_frame() */
gst_msdkdec_set_latency (thiz);
return TRUE;
}
static void
release_msdk_surfaces (GstMsdkDec * thiz)
{
GList *l;
GstMsdkSurface *surface;
gint locked = 0;
gst_msdkdec_free_unlocked_msdk_surfaces (thiz, FALSE);
for (l = thiz->locked_msdk_surfaces; l; l = l->next) {
surface = (GstMsdkSurface *) l->data;
free_surface (surface);
locked++;
}
if (locked)
GST_ERROR_OBJECT (thiz, "msdk still locked %d surfaces", locked);
g_list_free (thiz->locked_msdk_surfaces);
thiz->locked_msdk_surfaces = NULL;
}
/* This will get invoked in the following situations:
* 1: beginning of the stream, which requires initialization (== complete reset)
* 2: upstream notified a resolution change and set do_renego to TRUE.
* new resolution may or may not requires full reset
* 3: upstream failed to notify the resolution change but
* msdk detected the change (eg: vp9 stream in ivf elementary form
* with varying resolution frames).
*
* for any input configuration change, we deal with notification
* from upstream and also use msdk APIs to handle the parameter initialization
* efficiently
*/
static gboolean
gst_msdkdec_negotiate (GstMsdkDec * thiz, gboolean hard_reset)
{
GstVideoDecoder *decoder = GST_VIDEO_DECODER (thiz);
GST_DEBUG_OBJECT (thiz,
"Start Negotiating caps, pool and Init the msdk decdoer subsystem");
if (hard_reset) {
/* Retrieve any pending frames and push them downstream */
if (gst_msdkdec_drain (GST_VIDEO_DECODER (thiz)) != GST_FLOW_OK)
goto error_drain;
/* This will initiate the allocation query which will help to flush
* all the pending buffers in the pipeline so that we can stop
* the active bufferpool and safely invoke gst_msdk_frame_free() */
if (thiz->initialized) {
GstCaps *caps = gst_pad_get_current_caps (decoder->srcpad);
GstQuery *query = NULL;
if (caps) {
query = gst_query_new_allocation (caps, FALSE);
gst_pad_peer_query (decoder->srcpad, query);
gst_query_unref (query);
gst_caps_unref (caps);
}
}
/* De-initialize the decoder if it is already active */
/* Do not reset the mfxVideoParam since it already
* has the required parameters for new session decode */
gst_msdkdec_close_decoder (thiz, FALSE);
/* request for pool re-negotiation by setting do_realloc */
thiz->do_realloc = TRUE;
}
/* At this point all pending frames (if there are any) are pushed downstream
* and we are ready to negotiate the output caps */
if (!gst_msdkdec_set_src_caps (thiz, hard_reset))
return FALSE;
/* this will initiate the allocation query, we create the
* bufferpool in decide_allocation in order to account
* for the downstream min_buffer requirement
* Required initializations for MediaSDK operations
* will all be initialized from decide_allocation after considering
* some of the downstream requirements */
if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (thiz)))
goto error_negotiate;
thiz->do_renego = FALSE;
thiz->do_realloc = FALSE;
return TRUE;
error_drain:
GST_ERROR_OBJECT (thiz, "Failed to Drain the queued decoded frames");
return FALSE;
error_negotiate:
GST_ERROR_OBJECT (thiz, "Failed to re-negotiate");
return FALSE;
}
static inline gboolean
find_msdk_surface (GstMsdkDec * thiz, MsdkDecTask * task,
mfxFrameSurface1 * out_surface)
{
GList *l;
task->surface = NULL;
if (!out_surface)
return TRUE;
l = g_list_find_custom (thiz->locked_msdk_surfaces, out_surface,
_find_msdk_surface);
if (!l) {
GST_ERROR_OBJECT (thiz, "msdk return an invalid surface %p", out_surface);
return FALSE;
}
task->surface = (GstMsdkSurface *) l->data;
thiz->locked_msdk_surfaces =
g_list_delete_link (thiz->locked_msdk_surfaces, l);
return TRUE;
}
static void
gst_msdkdec_error_report (GstMsdkDec * thiz)
{
if (!thiz->report_error)
return;
#if (MFX_VERSION >= 1025)
else {
if (thiz->error_report.ErrorTypes & MFX_ERROR_SPS)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Error] SPS Error detected!"), (NULL));
if (thiz->error_report.ErrorTypes & MFX_ERROR_PPS)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Error] PPS Error detected!"), (NULL));
if (thiz->error_report.ErrorTypes & MFX_ERROR_SLICEHEADER)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Error] SliceHeader Error detected!"), (NULL));
if (thiz->error_report.ErrorTypes & MFX_ERROR_FRAME_GAP)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Error] Frame Gap Error detected!"), (NULL));
#ifdef ONEVPL_EXPERIMENTAL
if (thiz->error_report.ErrorTypes & MFX_ERROR_JPEG_APP0_MARKER)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Error] APP0 unknown marker detected!"), (NULL));
if (thiz->error_report.ErrorTypes & MFX_ERROR_JPEG_APP14_MARKER)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Error] APP14 unknown marker detected!"), (NULL));
if (thiz->error_report.ErrorTypes & MFX_ERROR_JPEG_DQT_MARKER)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Error] DQT unknown marker detected!"), (NULL));
if (thiz->error_report.ErrorTypes & MFX_ERROR_JPEG_SOF0_MARKER)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Error] SOF0 unknown marker detected!"), (NULL));
if (thiz->error_report.ErrorTypes & MFX_ERROR_JPEG_DHT_MARKER)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Error] DHT unknown marker detected!"), (NULL));
if (thiz->error_report.ErrorTypes & MFX_ERROR_JPEG_DRI_MARKER)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Error] DRI unknown marker detected!"), (NULL));
if (thiz->error_report.ErrorTypes & MFX_ERROR_JPEG_SOS_MARKER)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Error] SOS unknown marker detected!"), (NULL));
if (thiz->error_report.ErrorTypes & MFX_ERROR_JPEG_UNKNOWN_MARKER)
GST_ELEMENT_WARNING (thiz, STREAM, DECODE,
("[Error] Error unknown marker detected!"), (NULL));
#endif
}
#endif
}
static GstFlowReturn
gst_msdkdec_handle_frame (GstVideoDecoder * decoder, GstVideoCodecFrame * frame)
{
GstMsdkDec *thiz = GST_MSDKDEC (decoder);
GstMsdkDecClass *klass = GST_MSDKDEC_GET_CLASS (thiz);
GstFlowReturn flow;
GstBuffer *input_buffer = NULL;
GstVideoInfo alloc_info;
MsdkDecTask *task = NULL;
mfxBitstream bitstream;
GstMsdkSurface *surface = NULL;
mfxFrameSurface1 *out_surface = NULL;
mfxSession session;
mfxStatus status;
GstMapInfo map_info;
guint i, retry_err_incompatible = 0;
gsize data_size;
gboolean hard_reset = FALSE;
GstClockTime pts = GST_CLOCK_TIME_NONE;
/* configure the subclass in order to fill the CodecID field of
* mfxVideoParam and also to load the PluginID for some of the
* codecs which is mandatory to invoke the
* MFXVideoDECODE_DecodeHeader API.
*
* For non packetized formats (currently only vc1), there
* could be headers received as codec_data which are not available
* instream and in that case subclass implementation will
* push it to the internal adapter. We invoke the subclass configure
* well early to make sure the codec_data received has been correctly
* pushed to the adapter by the subclasses before doing
* the DecodeHeader() later on
*/
if (!thiz->initialized || thiz->do_renego) {
/* Clear the internal adapter in re-negotiation for non-packetized
* formats */
if (!gst_video_decoder_get_packetized (decoder))
gst_adapter_clear (thiz->adapter);
if (!klass->configure || !klass->configure (thiz)) {
flow = GST_FLOW_OK;
goto error;
}
}
/* Current frame-codec could be pushed and released before this
* function ends -- because msdkdec pushes the oldest frame,
* according its PTS, and it could be this very same frame-codec
* among others pending frame-codecs.
*
* Instead of copying the input data into the mfxBitstream, let's
* keep an extra reference to frame-codec's input buffer */
input_buffer = gst_buffer_ref (frame->input_buffer);
if (!gst_buffer_map (input_buffer, &map_info, GST_MAP_READ)) {
gst_buffer_unref (input_buffer);
return GST_FLOW_ERROR;
}
memset (&bitstream, 0, sizeof (bitstream));
/* Add extended buffers */
if (thiz->num_bs_extra_params) {
bitstream.NumExtParam = thiz->num_bs_extra_params;
bitstream.ExtParam = thiz->bs_extra_params;
}
if (gst_video_decoder_get_packetized (decoder)) {
/* Packetized stream: we prefer to have a parser as a connected upstream
* element to the decoder */
pts = frame->pts;
bitstream.Data = map_info.data;
bitstream.DataLength = map_info.size;
bitstream.MaxLength = map_info.size;
bitstream.TimeStamp = GST_TO_MFX_TIME (pts);
/*
* MFX_BITSTREAM_COMPLETE_FRAME was removed since commit df59db9, however
* some customers still use DecodedOrder (deprecated in msdk-2017 version)
* for low-latency streaming of non-b-frame encoded streams, which needs to
* output the frame at once, so add it back for this case
*/
if (thiz->param.mfx.DecodedOrder == GST_MSDKDEC_OUTPUT_ORDER_DECODE)
bitstream.DataFlag |= MFX_BITSTREAM_COMPLETE_FRAME;
} else {
/* Non packetized streams: eg: vc1 advanced profile with per buffer bdu */
gst_adapter_push (thiz->adapter, gst_buffer_ref (input_buffer));
data_size = gst_adapter_available (thiz->adapter);
bitstream.Data = (mfxU8 *) gst_adapter_map (thiz->adapter, data_size);
bitstream.DataLength = (mfxU32) data_size;
bitstream.MaxLength = bitstream.DataLength;
bitstream.TimeStamp = GST_TO_MFX_TIME (pts);
}
GST_DEBUG_OBJECT (thiz,
"mfxBitStream=> DataLength:%d DataOffset:%d MaxLength:%d "
"PTS: %" GST_TIME_FORMAT " MFX TimeStamp %" G_GUINT64_FORMAT,
bitstream.DataLength, bitstream.DataOffset, bitstream.MaxLength,
GST_TIME_ARGS (pts), (guint64) bitstream.TimeStamp);
session = gst_msdk_context_get_session (thiz->context);
if (!thiz->initialized || thiz->do_renego) {
/* gstreamer caps will not provide all the necessary parameters
* required for optimal decode configuration. For example: the required number
* of surfaces to be allocated can be calculated based on H264 SEI header
* and this information can't be retrieved from the negotiated caps.
* So instead of introducing a codecparser dependency to parse the headers
* inside msdk plugin, we simply use the mfx APIs to extract header information */
#if (MFX_VERSION >= 1025)
if (thiz->report_error)
thiz->error_report.ErrorTypes = 0;
#endif
status = MFXVideoDECODE_DecodeHeader (session, &bitstream, &thiz->param);
GST_DEBUG_OBJECT (decoder, "DecodeHeader => %d", status);
gst_msdkdec_error_report (thiz);
if (status == MFX_ERR_MORE_DATA) {
flow = GST_FLOW_OK;
goto done;
}
if (!klass->post_configure (thiz)) {
flow = GST_FLOW_ERROR;
goto error;
}
if (!thiz->initialized)
hard_reset = TRUE;
else {
if (thiz->output_state) {
if (thiz->output_state->allocation_caps) {
if (!gst_msdkcaps_video_info_from_caps
(thiz->output_state->allocation_caps, &alloc_info, NULL)) {
GST_ERROR_OBJECT (thiz, "Failed to get video info from caps");
flow = GST_FLOW_ERROR;
goto error;
}
/* Check whether we need complete reset for dynamic resolution change */
if (thiz->param.mfx.FrameInfo.Width >
GST_VIDEO_INFO_WIDTH (&alloc_info)
|| thiz->param.mfx.FrameInfo.Height >
GST_VIDEO_INFO_HEIGHT (&alloc_info))
hard_reset = TRUE;
}
}
}
/* if subclass requested for the force reset */
if (thiz->force_reset_on_res_change)
hard_reset = TRUE;
if (!gst_msdkdec_negotiate (thiz, hard_reset)) {
GST_ELEMENT_ERROR (thiz, CORE, NEGOTIATION,
("Could not negotiate the stream"), (NULL));
flow = GST_FLOW_ERROR;
goto error;
}
}
/* gst_msdkdec_handle_frame owns one ref on input argument |frame|. At this
* point this frame is not used so just unref it right away.
* gst_msdkdec_finish_task is fetching the frames itself. */
gst_video_codec_frame_unref (frame);
frame = NULL;
for (;;) {
task = &g_array_index (thiz->tasks, MsdkDecTask, thiz->next_task);
flow = gst_msdkdec_finish_task (thiz, task);
if (flow != GST_FLOW_OK) {
if (flow == GST_FLOW_ERROR)
GST_ERROR_OBJECT (thiz, "Failed to finish a task");
goto error;
}
if (!surface) {
surface = allocate_output_surface (thiz);
if (!surface) {
/* Can't get a surface for some reason; finish tasks, then see if
a surface becomes available. */
for (i = 0; i < thiz->tasks->len - 1; i++) {
thiz->next_task = (thiz->next_task + 1) % thiz->tasks->len;
task = &g_array_index (thiz->tasks, MsdkDecTask, thiz->next_task);
flow = gst_msdkdec_finish_task (thiz, task);
if (flow != GST_FLOW_OK)
goto error;
surface = allocate_output_surface (thiz);
if (surface)
break;
}
if (!surface) {
GST_ERROR_OBJECT (thiz, "Couldn't get a surface");
flow = GST_FLOW_ERROR;
goto error;
}
}
}
#if (MFX_VERSION >= 1025)
if (thiz->report_error)
thiz->error_report.ErrorTypes = 0;
#endif
status =
MFXVideoDECODE_DecodeFrameAsync (session, &bitstream, surface->surface,
&out_surface, &task->sync_point);
if (!find_msdk_surface (thiz, task, out_surface)) {
flow = GST_FLOW_ERROR;
goto done;
}
GST_DEBUG_OBJECT (decoder, "DecodeFrameAsync => %d", status);
gst_msdkdec_error_report (thiz);
/* media-sdk requires complete reset since the surface is inadequate
* for further decoding */
if (status == MFX_ERR_INCOMPATIBLE_VIDEO_PARAM &&
retry_err_incompatible++ < 1) {
/* MFX_ERR_INCOMPATIBLE_VIDEO_PARAM means the current mfx surface is not
* suitable for the current frame. Call MFXVideoDECODE_DecodeHeader to get
* the current frame size, then do memory re-allocation, otherwise
* MFXVideoDECODE_DecodeFrameAsync will still fail on next call */
#if (MFX_VERSION >= 1025)
if (thiz->report_error)
thiz->error_report.ErrorTypes = 0;
#endif
status = MFXVideoDECODE_DecodeHeader (session, &bitstream, &thiz->param);
GST_DEBUG_OBJECT (decoder, "DecodeHeader => %d", status);
gst_msdkdec_error_report (thiz);
if (status == MFX_ERR_MORE_DATA) {
flow = GST_FLOW_OK;
goto done;
}
/* Requires memory re-allocation, do a hard reset */
if (!gst_msdkdec_negotiate (thiz, TRUE))
goto error;
/* The current surface is freed when doing a hard reset; a new surface is
* required for the new resolution */
surface = NULL;
continue;
}
retry_err_incompatible = 0;
if (G_LIKELY (status == MFX_ERR_NONE)
|| (status == MFX_WRN_VIDEO_PARAM_CHANGED)) {
thiz->next_task = (thiz->next_task + 1) % thiz->tasks->len;
if (surface->surface->Data.Locked > 0)
surface = NULL;
if (bitstream.DataLength == 0) {
flow = GST_FLOW_OK;
/* Don't release it if the current surface is in use */
if (surface && task->surface->surface == surface->surface)
surface = NULL;
break;
}
} else if (status == MFX_ERR_MORE_DATA) {
if (task->surface) {
task->decode_only = TRUE;
thiz->next_task = (thiz->next_task + 1) % thiz->tasks->len;
}
if (surface->surface->Data.Locked > 0)
surface = NULL;
flow = GST_VIDEO_DECODER_FLOW_NEED_DATA;
break;
} else if (status == MFX_ERR_MORE_SURFACE) {
surface = NULL;
continue;
} else if (status == MFX_WRN_DEVICE_BUSY) {
/* If device is busy, wait 1ms and retry, as per MSDK's recommendation */
g_usleep (1000);
if (surface->surface->Data.Locked > 0)
surface = NULL;
/* If the current surface is still busy, we should do sync operation,
* then try to decode again
*/
thiz->next_task = (thiz->next_task + 1) % thiz->tasks->len;
} else if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "DecodeFrameAsync failed (%s)",
msdk_status_to_string (status));
flow = GST_FLOW_ERROR;
break;
}
}
if (!gst_video_decoder_get_packetized (decoder)) {
/* flush out the data which has already been consumed by msdk */
gst_adapter_flush (thiz->adapter, bitstream.DataOffset);
}
/*
* DecodedOrder was deprecated in msdk-2017 version, but some
* customers still using this for low-latency streaming of non-b-frame
* encoded streams, which needs to output the frame at once
*/
if (thiz->param.mfx.DecodedOrder == GST_MSDKDEC_OUTPUT_ORDER_DECODE)
gst_msdkdec_finish_task (thiz, task);
done:
gst_buffer_unmap (input_buffer, &map_info);
gst_buffer_unref (input_buffer);
return flow;
error:
if (input_buffer) {
gst_buffer_unmap (input_buffer, &map_info);
gst_buffer_unref (input_buffer);
}
if (frame)
gst_video_decoder_drop_frame (decoder, frame);
return flow;
}
static GstFlowReturn
gst_msdkdec_parse (GstVideoDecoder * decoder, GstVideoCodecFrame * frame,
GstAdapter * adapter, gboolean at_eos)
{
gsize size;
GstFlowReturn ret;
GstBuffer *buffer;
GstMsdkDec *thiz = GST_MSDKDEC (decoder);
/* Don't parse the input buffer indeed, it will invoke
* gst_msdkdec_handle_frame to handle the input buffer */
size = gst_adapter_available (adapter);
gst_video_decoder_add_to_frame (decoder, size);
ret = gst_video_decoder_have_frame (decoder);
size = gst_adapter_available (thiz->adapter);
if (size) {
/* The base class will set up a new frame for parsing as
* soon as there is valid data in the buffer */
buffer = gst_adapter_get_buffer (thiz->adapter, size);
gst_adapter_flush (thiz->adapter, size);
gst_adapter_push (adapter, buffer);
}
return ret;
}
#ifndef _WIN32
static GstBufferPool *
gst_msdk_create_va_pool (GstMsdkDec * thiz, GstVideoInfo * info,
guint num_buffers)
{
GstBufferPool *pool = NULL;
GstAllocator *allocator;
GArray *formats = NULL;
GstAllocationParams alloc_params = { 0, 31, 0, 0 };
GstVaDisplay *display = NULL;
GstCaps *caps = NULL;
display = (GstVaDisplay *) gst_msdk_context_get_va_display (thiz->context);
if (thiz->use_dmabuf)
allocator = gst_va_dmabuf_allocator_new (display);
else {
formats = g_array_new (FALSE, FALSE, sizeof (GstVideoFormat));
g_array_append_val (formats, GST_VIDEO_INFO_FORMAT (info));
allocator = gst_va_allocator_new (display, formats);
}
gst_object_unref (display);
if (!allocator) {
GST_ERROR_OBJECT (thiz, "Failed to create allocator");
if (formats)
g_array_unref (formats);
return NULL;
}
if (thiz->use_dmabuf && thiz->modifier != DRM_FORMAT_MOD_INVALID) {
caps = gst_msdkcaps_video_info_to_drm_caps (info, thiz->modifier);
gst_caps_set_features (caps, 0,
gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_DMABUF, NULL));
} else {
caps = gst_video_info_to_caps (info);
}
pool = gst_va_pool_new_with_config (caps, num_buffers, num_buffers,
VA_SURFACE_ATTRIB_USAGE_HINT_DECODER, GST_VA_FEATURE_AUTO,
allocator, &alloc_params);
gst_object_unref (allocator);
gst_caps_unref (caps);
GST_LOG_OBJECT (thiz, "Creating va pool");
return pool;
}
#else
static GstBufferPool *
gst_msdk_create_d3d11_pool (GstMsdkDec * thiz, GstVideoInfo * info,
guint num_buffers)
{
GstBufferPool *pool = NULL;
GstD3D11Device *device;
GstStructure *config;
GstD3D11AllocationParams *params;
device = gst_msdk_context_get_d3d11_device (thiz->context);
pool = gst_d3d11_buffer_pool_new (device);
config = gst_buffer_pool_get_config (pool);
params = gst_d3d11_allocation_params_new (device, info,
GST_D3D11_ALLOCATION_FLAG_DEFAULT,
D3D11_BIND_DECODER | D3D11_BIND_SHADER_RESOURCE, 0);
gst_buffer_pool_config_set_d3d11_allocation_params (config, params);
gst_d3d11_allocation_params_free (params);
return pool;
}
#endif
static GstBufferPool *
gst_msdkdec_create_buffer_pool (GstMsdkDec * thiz, GstVideoInfo * info,
guint num_buffers)
{
GstBufferPool *pool = NULL;
GstStructure *config;
GstCaps *caps;
GstVideoAlignment align;
GstVideoInfo vinfo = *info;
gst_msdk_set_video_alignment (&vinfo, 0, 0, &align);
gst_video_info_align (&vinfo, &align);
if (thiz->do_copy)
pool = gst_video_buffer_pool_new ();
else {
#ifndef _WIN32
pool = gst_msdk_create_va_pool (thiz, &vinfo, num_buffers);
#else
pool = gst_msdk_create_d3d11_pool (thiz, &vinfo, num_buffers);
#endif
}
if (!pool)
goto error_no_pool;
#ifndef _WIN32
if (thiz->use_dmabuf) {
caps = gst_msdkcaps_video_info_to_drm_caps (&vinfo, thiz->modifier);
gst_caps_set_features (caps, 0,
gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_DMABUF, NULL));
} else {
caps = gst_video_info_to_caps (&vinfo);
}
#else
caps = gst_video_info_to_caps (&vinfo);
#endif
config = gst_buffer_pool_get_config (GST_BUFFER_POOL_CAST (pool));
gst_buffer_pool_config_set_params (config, caps,
GST_VIDEO_INFO_SIZE (&vinfo), num_buffers, 0);
gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
gst_buffer_pool_config_set_video_alignment (config, &align);
gst_caps_unref (caps);
if (!gst_buffer_pool_set_config (pool, config))
goto error_pool_config;
return pool;
error_no_pool:
{
GST_INFO_OBJECT (thiz, "Failed to create bufferpool");
return NULL;
}
error_pool_config:
{
GST_INFO_OBJECT (thiz, "Failed to set config");
gst_object_unref (pool);
return NULL;
}
}
static gboolean
gst_msdkdec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
{
GstMsdkDec *thiz = GST_MSDKDEC (decoder);
GstBufferPool *pool = NULL;
GstStructure *pool_config = NULL;
GstCaps *pool_caps = NULL;
guint size = 0;
guint min_buffers = 0;
guint max_buffers = 0;
gboolean has_videometa, has_video_alignment;
GstAllocator *allocator = NULL;
GstAllocationParams params;
gboolean update_pool = FALSE;
gboolean update_allocator = FALSE;
GstVideoInfo vinfo;
if (!thiz->param.mfx.FrameInfo.Width || !thiz->param.mfx.FrameInfo.Height)
return FALSE;
gst_query_parse_allocation (query, &pool_caps, NULL);
if (!gst_msdkcaps_video_info_from_caps (pool_caps, &vinfo, NULL))
goto failed_to_parse_caps;
if (gst_query_get_n_allocation_params (query) > 0) {
gst_query_parse_nth_allocation_param (query, 0, &allocator, &params);
update_allocator = TRUE;
}
if (!allocator)
gst_allocation_params_init (&params);
if (gst_query_get_n_allocation_pools (query) > 0) {
gst_query_parse_nth_allocation_pool (query,
0, &pool, &size, &min_buffers, &max_buffers);
update_pool = TRUE;
}
if (!pool)
pool = gst_video_buffer_pool_new ();
size = MAX (size, vinfo.size);
pool_config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (pool_config,
pool_caps, size, min_buffers, max_buffers);
gst_buffer_pool_config_set_allocator (pool_config, allocator, &params);
if (!gst_buffer_pool_set_config (pool, pool_config)) {
pool_config = gst_buffer_pool_get_config (pool);
if (!gst_buffer_pool_config_validate_params (pool_config,
pool_caps, size, min_buffers, max_buffers)) {
gst_object_unref (pool);
pool = gst_video_buffer_pool_new ();
gst_buffer_pool_config_set_params (pool_config,
pool_caps, size, min_buffers, max_buffers);
gst_buffer_pool_config_set_allocator (pool_config, allocator, &params);
}
if (!gst_buffer_pool_set_config (pool, pool_config))
return FALSE;
}
if (update_allocator)
gst_query_set_nth_allocation_param (query, 0, allocator, &params);
else
gst_query_add_allocation_param (query, allocator, &params);
if (update_pool)
gst_query_set_nth_allocation_pool (query,
0, pool, size, min_buffers, max_buffers);
else
gst_query_add_allocation_pool (query, pool, size, min_buffers, max_buffers);
/* Get the buffer pool config decided on by the base class. The base
class ensures that there will always be at least a 0th pool in
the query. */
pool_config = gst_buffer_pool_get_config (pool);
has_videometa = gst_query_find_allocation_meta
(query, GST_VIDEO_META_API_TYPE, NULL);
has_video_alignment = gst_buffer_pool_has_option
(pool, GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
/* Get the caps of pool and increase the min and max buffers by async_depth.
* We will always have that number of decode operations in-flight */
min_buffers += thiz->async_depth;
if (max_buffers)
max_buffers += thiz->async_depth;
/* increase the min_buffers by 1 for smooth display in render pipeline */
min_buffers += 1;
/* this will get updated with msdk requirement */
thiz->min_prealloc_buffers = min_buffers;
if (gst_msdkcaps_has_feature (pool_caps, GST_CAPS_FEATURE_MEMORY_DMABUF)) {
thiz->use_dmabuf = TRUE;
}
/* Decoder always use its own pool. So we create a pool if msdk APIs
* previously requested for allocation (do_realloc = TRUE) */
if (thiz->do_realloc || !thiz->pool) {
gst_clear_object (&thiz->pool);
GST_INFO_OBJECT (decoder, "create new MSDK bufferpool");
thiz->pool = gst_msdkdec_create_buffer_pool
(thiz, &thiz->output_state->info, min_buffers);
if (!thiz->pool) {
GST_ERROR_OBJECT (decoder, "failed to create new pool");
goto failed_to_create_pool;
}
}
#ifndef _WIN32
if (!(GST_IS_VA_ALLOCATOR (allocator) ||
GST_IS_VA_DMABUF_ALLOCATOR (allocator)))
thiz->ds_has_known_allocator = FALSE;
#else
if (!GST_IS_D3D11_BUFFER_POOL (pool)) {
thiz->ds_has_known_allocator = FALSE;
}
#endif
if (allocator)
gst_object_unref (allocator);
/* If downstream supports video meta and video alignment, or downstream
* doesn't have known allocator (known allocator refers to va allocator
* or d3d allocator), we replace with our own bufferpool and use it.
*/
if ((has_videometa && has_video_alignment)
|| !thiz->ds_has_known_allocator) {
GstStructure *config;
gst_structure_free (pool_config);
gst_object_unref (pool);
pool = gst_object_ref (thiz->pool);
/* Set the allocator of new msdk bufferpool */
config = gst_buffer_pool_get_config (GST_BUFFER_POOL_CAST (pool));
if (gst_buffer_pool_config_get_allocator (config, &allocator, NULL))
gst_query_set_nth_allocation_param (query, 0, allocator, NULL);
gst_structure_free (config);
} else {
/* When downstream doesn't have videometa or alignment support,
* or downstream pool is va/d3d pool,we will use downstream pool
* and keep decoder's own pool as side-pool.
*/
GST_INFO_OBJECT (decoder, "Keep MSDK bufferpool as a side-pool");
/* Update params to downstream's pool */
gst_buffer_pool_config_set_params (pool_config, pool_caps, size,
min_buffers, max_buffers);
if (!gst_buffer_pool_set_config (pool, pool_config))
goto error_set_config;
thiz->non_msdk_pool_info = vinfo;
/* update width and height with actual negotiated values */
GST_VIDEO_INFO_WIDTH (&thiz->non_msdk_pool_info) =
GST_VIDEO_INFO_WIDTH (&thiz->output_state->info);
GST_VIDEO_INFO_HEIGHT (&thiz->non_msdk_pool_info) =
GST_VIDEO_INFO_HEIGHT (&thiz->output_state->info);
}
gst_msdk_context_set_alloc_pool (thiz->context, pool);
/* Initialize MSDK decoder before new bufferpool tries to alloc each buffer,
* which requires information about frame allocation.
* No effect if already initialized.
*/
if (!gst_msdkdec_init_decoder (thiz))
return FALSE;
/* get the updated min_buffers, which account for the msdk requirement as well */
min_buffers = thiz->min_prealloc_buffers;
if (!has_videometa && !thiz->ds_has_known_allocator
&& gst_msdkcaps_has_feature (pool_caps,
GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY)) {
/* We need to create other pool with system memory for copy use under conditions:
* (1) downstream has no videometa; (2) downstream allocator is unknown;
* (3) negotiated caps is raw.
*/
thiz->do_copy = TRUE;
thiz->other_pool =
gst_msdkdec_create_buffer_pool (thiz, &thiz->output_state->info,
min_buffers);
}
gst_query_set_nth_allocation_pool (query, 0, pool, size, min_buffers,
max_buffers);
gst_object_unref (pool);
return TRUE;
failed_to_parse_caps:
GST_ERROR_OBJECT (decoder, "failed to set buffer pool config");
return FALSE;
failed_to_create_pool:
GST_ERROR_OBJECT (decoder, "failed to set buffer pool config");
gst_object_unref (pool);
return FALSE;
error_set_config:
GST_ERROR_OBJECT (decoder, "failed to set buffer pool config");
gst_object_unref (pool);
return FALSE;
}
static GstFlowReturn
gst_msdkdec_drain (GstVideoDecoder * decoder)
{
GstMsdkDec *thiz = GST_MSDKDEC (decoder);
GstFlowReturn flow;
MsdkDecTask *task;
GstMsdkSurface *surface = NULL;
mfxFrameSurface1 *out_surface;
mfxSession session;
mfxStatus status;
guint i;
if (!thiz->initialized)
return GST_FLOW_OK;
session = gst_msdk_context_get_session (thiz->context);
for (;;) {
task = &g_array_index (thiz->tasks, MsdkDecTask, thiz->next_task);
if ((flow = gst_msdkdec_finish_task (thiz, task)) != GST_FLOW_OK) {
if (flow != GST_FLOW_FLUSHING)
GST_WARNING_OBJECT (decoder,
"failed to finish the task %p, but keep draining for the remaining frames",
task);
}
if (!surface) {
surface = allocate_output_surface (thiz);
if (!surface)
return GST_FLOW_ERROR;
}
#if (MFX_VERSION >= 1025)
if (thiz->report_error)
thiz->error_report.ErrorTypes = 0;
#endif
status =
MFXVideoDECODE_DecodeFrameAsync (session, NULL, surface->surface,
&out_surface, &task->sync_point);
if (!find_msdk_surface (thiz, task, out_surface)) {
return GST_FLOW_ERROR;
}
GST_DEBUG_OBJECT (decoder, "DecodeFrameAsync => %d", status);
gst_msdkdec_error_report (thiz);
if (G_LIKELY (status == MFX_ERR_NONE)) {
thiz->next_task = (thiz->next_task + 1) % thiz->tasks->len;
surface = NULL;
} else if (status == MFX_WRN_VIDEO_PARAM_CHANGED) {
continue;
} else if (status == MFX_WRN_DEVICE_BUSY) {
/* If device is busy, wait 1ms and retry, as per MSDK's recomendation */
g_usleep (1000);
/* If the current surface is still busy, we should do sync operation,
* then try to decode again
*/
thiz->next_task = (thiz->next_task + 1) % thiz->tasks->len;
} else if (status == MFX_ERR_MORE_DATA) {
break;
} else if (status == MFX_ERR_MORE_SURFACE) {
surface = NULL;
continue;
} else if (status < MFX_ERR_NONE)
return GST_FLOW_ERROR;
}
for (i = 0; i < thiz->tasks->len; i++) {
task = &g_array_index (thiz->tasks, MsdkDecTask, thiz->next_task);
gst_msdkdec_finish_task (thiz, task);
thiz->next_task = (thiz->next_task + 1) % thiz->tasks->len;
}
return GST_FLOW_OK;
}
static gboolean
gst_msdkdec_flush (GstVideoDecoder * decoder)
{
GstMsdkDec *thiz = GST_MSDKDEC (decoder);
GstFlowReturn ret;
ret = gst_msdkdec_drain (GST_VIDEO_DECODER_CAST (thiz));
return ret == GST_FLOW_OK;
}
static GstFlowReturn
gst_msdkdec_finish (GstVideoDecoder * decoder)
{
return gst_msdkdec_drain (decoder);
}
static gboolean
gst_msdkdec_query (GstVideoDecoder * decoder, GstQuery * query,
GstPadDirection dir)
{
GstMsdkDec *thiz = GST_MSDKDEC (decoder);
gboolean ret = FALSE;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONTEXT:{
GstMsdkContext *msdk_context = NULL;
gst_object_replace ((GstObject **) & msdk_context,
(GstObject *) thiz->context);
ret = gst_msdk_handle_context_query (GST_ELEMENT_CAST (decoder),
query, msdk_context);
gst_clear_object (&msdk_context);
break;
}
default:
if (dir == GST_PAD_SRC) {
ret =
GST_VIDEO_DECODER_CLASS (parent_class)->src_query (decoder, query);
} else {
ret =
GST_VIDEO_DECODER_CLASS (parent_class)->sink_query (decoder, query);
}
break;
}
return ret;
}
static gboolean
gst_msdkdec_src_query (GstVideoDecoder * decoder, GstQuery * query)
{
return gst_msdkdec_query (decoder, query, GST_PAD_SRC);
}
static gboolean
gst_msdkdec_sink_query (GstVideoDecoder * decoder, GstQuery * query)
{
return gst_msdkdec_query (decoder, query, GST_PAD_SINK);
}
static void
gst_msdkdec_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec)
{
GstMsdkDec *thiz = GST_MSDKDEC (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 GST_MSDKDEC_PROP_HARDWARE:
thiz->hardware = g_value_get_boolean (value);
break;
case GST_MSDKDEC_PROP_ASYNC_DEPTH:
thiz->async_depth = 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_msdkdec_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstMsdkDec *thiz = GST_MSDKDEC (object);
GST_OBJECT_LOCK (thiz);
switch (prop_id) {
case GST_MSDKDEC_PROP_HARDWARE:
g_value_set_boolean (value, thiz->hardware);
break;
case GST_MSDKDEC_PROP_ASYNC_DEPTH:
g_value_set_uint (value, thiz->async_depth);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (thiz);
}
static void
gst_msdkdec_dispose (GObject * object)
{
GstMsdkDec *thiz = GST_MSDKDEC (object);
g_clear_object (&thiz->adapter);
gst_clear_object (&thiz->context);
gst_clear_object (&thiz->old_context);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gst_msdkdec_finalize (GObject * object)
{
GstMsdkDec *thiz = GST_MSDKDEC (object);
g_array_unref (thiz->tasks);
thiz->tasks = NULL;
release_msdk_surfaces (thiz);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
gst_msdkdec_post_configure (GstMsdkDec * decoder)
{
/* Do nothing */
return TRUE;
}
static gboolean
gst_msdkdec_preinit_decoder (GstMsdkDec * decoder)
{
decoder->param.mfx.FrameInfo.Width =
GST_ROUND_UP_16 (decoder->param.mfx.FrameInfo.Width);
decoder->param.mfx.FrameInfo.Height =
GST_ROUND_UP_32 (decoder->param.mfx.FrameInfo.Height);
decoder->param.mfx.FrameInfo.PicStruct =
decoder->param.mfx.FrameInfo.PicStruct ? decoder->param.mfx.
FrameInfo.PicStruct : MFX_PICSTRUCT_PROGRESSIVE;
return TRUE;
}
static gboolean
gst_msdkdec_postinit_decoder (GstMsdkDec * decoder)
{
/* Do nothing */
return TRUE;
}
static gboolean
gst_msdkdec_transform_meta (GstVideoDecoder * decoder,
GstVideoCodecFrame * frame, GstMeta * meta)
{
const GstMetaInfo *info = meta->info;
if (GST_VIDEO_DECODER_CLASS (parent_class)->transform_meta (decoder, frame,
meta))
return TRUE;
if (!g_strcmp0 (g_type_name (info->type), "GstVideoRegionOfInterestMeta"))
return TRUE;
return FALSE;
}
static void
gst_msdkdec_class_init (GstMsdkDecClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
GstVideoDecoderClass *decoder_class;
gobject_class = G_OBJECT_CLASS (klass);
element_class = GST_ELEMENT_CLASS (klass);
decoder_class = GST_VIDEO_DECODER_CLASS (klass);
gobject_class->set_property = gst_msdkdec_set_property;
gobject_class->get_property = gst_msdkdec_get_property;
gobject_class->dispose = gst_msdkdec_dispose;
gobject_class->finalize = gst_msdkdec_finalize;
element_class->set_context = gst_msdkdec_set_context;
decoder_class->close = GST_DEBUG_FUNCPTR (gst_msdkdec_close);
decoder_class->start = GST_DEBUG_FUNCPTR (gst_msdkdec_start);
decoder_class->stop = GST_DEBUG_FUNCPTR (gst_msdkdec_stop);
decoder_class->set_format = GST_DEBUG_FUNCPTR (gst_msdkdec_set_format);
decoder_class->finish = GST_DEBUG_FUNCPTR (gst_msdkdec_finish);
decoder_class->handle_frame = GST_DEBUG_FUNCPTR (gst_msdkdec_handle_frame);
decoder_class->parse = GST_DEBUG_FUNCPTR (gst_msdkdec_parse);
decoder_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_msdkdec_decide_allocation);
decoder_class->getcaps = GST_DEBUG_FUNCPTR (gst_msdkdec_getcaps);
decoder_class->flush = GST_DEBUG_FUNCPTR (gst_msdkdec_flush);
decoder_class->drain = GST_DEBUG_FUNCPTR (gst_msdkdec_drain);
decoder_class->transform_meta =
GST_DEBUG_FUNCPTR (gst_msdkdec_transform_meta);
decoder_class->src_query = GST_DEBUG_FUNCPTR (gst_msdkdec_src_query);
decoder_class->sink_query = GST_DEBUG_FUNCPTR (gst_msdkdec_sink_query);
klass->post_configure = GST_DEBUG_FUNCPTR (gst_msdkdec_post_configure);
klass->preinit_decoder = GST_DEBUG_FUNCPTR (gst_msdkdec_preinit_decoder);
klass->postinit_decoder = GST_DEBUG_FUNCPTR (gst_msdkdec_postinit_decoder);
g_object_class_install_property (gobject_class, GST_MSDKDEC_PROP_HARDWARE,
g_param_spec_boolean ("hardware", "Hardware", "Enable hardware decoders",
PROP_HARDWARE_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, GST_MSDKDEC_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));
}
static void
gst_msdkdec_init (GstMsdkDec * thiz)
{
gst_video_info_init (&thiz->non_msdk_pool_info);
thiz->tasks = g_array_new (FALSE, TRUE, sizeof (MsdkDecTask));
thiz->hardware = PROP_HARDWARE_DEFAULT;
thiz->async_depth = PROP_ASYNC_DEPTH_DEFAULT;
thiz->do_renego = TRUE;
thiz->do_realloc = TRUE;
thiz->force_reset_on_res_change = TRUE;
thiz->report_error = FALSE;
thiz->sfc = FALSE;
thiz->ds_has_known_allocator = TRUE;
#ifndef _WIN32
thiz->modifier = DRM_FORMAT_MOD_INVALID;
#endif
thiz->adapter = gst_adapter_new ();
thiz->input_state = NULL;
thiz->output_state = NULL;
thiz->pool = NULL;
thiz->context = NULL;
}
Reference in a new issue View git blame Copy permalink