gstreamer/gst-libs/gst/vaapi/gstvaapidecoder_objects.c
Gwenole Beauchesne 39dda15f5f codec: add helper macros to maintain object refcount.
Add gst_vaapi_mini_object_{ref,unref,replace}() helper macros so that
to avoid explicit casts to GstVaapiMiniObject in all caller sites.
2014-01-09 09:59:17 +01:00

419 lines
13 KiB
C

/*
* gstvaapidecoder_objects.c - VA decoder objects helpers
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
* Copyright (C) 2011-2013 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#include "sysdeps.h"
#include <string.h>
#include <gst/vaapi/gstvaapicontext.h>
#include "gstvaapidecoder_objects.h"
#include "gstvaapidecoder_priv.h"
#include "gstvaapisurfaceproxy_priv.h"
#include "gstvaapicompat.h"
#include "gstvaapiutils.h"
#define DEBUG 1
#include "gstvaapidebug.h"
#define GET_DECODER(obj) GST_VAAPI_DECODER_CAST((obj)->parent_instance.codec)
#define GET_CONTEXT(obj) GET_DECODER(obj)->context
#define GET_VA_DISPLAY(obj) GET_DECODER(obj)->va_display
#define GET_VA_CONTEXT(obj) GET_DECODER(obj)->va_context
static inline void
gst_video_codec_frame_clear (GstVideoCodecFrame ** frame_ptr)
{
if (!*frame_ptr)
return;
gst_video_codec_frame_unref (*frame_ptr);
*frame_ptr = NULL;
}
/* ------------------------------------------------------------------------- */
/* --- Pictures --- */
/* ------------------------------------------------------------------------- */
GST_VAAPI_CODEC_DEFINE_TYPE (GstVaapiPicture, gst_vaapi_picture);
enum
{
GST_VAAPI_CREATE_PICTURE_FLAG_CLONE = 1 << 0,
GST_VAAPI_CREATE_PICTURE_FLAG_FIELD = 1 << 1,
};
void
gst_vaapi_picture_destroy (GstVaapiPicture * picture)
{
if (picture->slices) {
g_ptr_array_unref (picture->slices);
picture->slices = NULL;
}
gst_vaapi_codec_object_replace (&picture->iq_matrix, NULL);
gst_vaapi_codec_object_replace (&picture->huf_table, NULL);
gst_vaapi_codec_object_replace (&picture->bitplane, NULL);
if (picture->proxy) {
gst_vaapi_surface_proxy_unref (picture->proxy);
picture->proxy = NULL;
}
picture->surface_id = VA_INVALID_ID;
picture->surface = NULL;
vaapi_destroy_buffer (GET_VA_DISPLAY (picture), &picture->param_id);
picture->param = NULL;
gst_video_codec_frame_clear (&picture->frame);
gst_vaapi_picture_replace (&picture->parent_picture, NULL);
}
gboolean
gst_vaapi_picture_create (GstVaapiPicture * picture,
const GstVaapiCodecObjectConstructorArgs * args)
{
gboolean success;
picture->param_id = VA_INVALID_ID;
if (args->flags & GST_VAAPI_CREATE_PICTURE_FLAG_CLONE) {
GstVaapiPicture *const parent_picture = GST_VAAPI_PICTURE (args->data);
picture->parent_picture = gst_vaapi_picture_ref (parent_picture);
picture->proxy = gst_vaapi_surface_proxy_ref (parent_picture->proxy);
picture->type = parent_picture->type;
picture->pts = parent_picture->pts;
picture->poc = parent_picture->poc;
// Copy all picture flags but "output"
GST_VAAPI_PICTURE_FLAG_SET (picture,
GST_VAAPI_PICTURE_FLAGS (parent_picture) &
(GST_VAAPI_PICTURE_FLAG_SKIPPED |
GST_VAAPI_PICTURE_FLAG_REFERENCE |
GST_VAAPI_PICTURE_FLAG_INTERLACED |
GST_VAAPI_PICTURE_FLAG_FF | GST_VAAPI_PICTURE_FLAG_TFF));
picture->structure = parent_picture->structure;
if ((args->flags & GST_VAAPI_CREATE_PICTURE_FLAG_FIELD) &&
GST_VAAPI_PICTURE_IS_INTERLACED (picture)) {
switch (picture->structure) {
case GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD:
picture->structure = GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD;
break;
case GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD:
picture->structure = GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD;
break;
}
GST_VAAPI_PICTURE_FLAG_UNSET (picture, GST_VAAPI_PICTURE_FLAG_FF);
}
if (parent_picture->has_crop_rect) {
picture->has_crop_rect = TRUE;
picture->crop_rect = parent_picture->crop_rect;
}
} else {
picture->type = GST_VAAPI_PICTURE_TYPE_NONE;
picture->pts = GST_CLOCK_TIME_NONE;
picture->proxy =
gst_vaapi_context_get_surface_proxy (GET_CONTEXT (picture));
if (!picture->proxy)
return FALSE;
picture->structure = GST_VAAPI_PICTURE_STRUCTURE_FRAME;
GST_VAAPI_PICTURE_FLAG_SET (picture, GST_VAAPI_PICTURE_FLAG_FF);
}
picture->surface = GST_VAAPI_SURFACE_PROXY_SURFACE (picture->proxy);
picture->surface_id = GST_VAAPI_SURFACE_PROXY_SURFACE_ID (picture->proxy);
success = vaapi_create_buffer (GET_VA_DISPLAY (picture),
GET_VA_CONTEXT (picture), VAPictureParameterBufferType,
args->param_size, args->param, &picture->param_id, &picture->param);
if (!success)
return FALSE;
picture->param_size = args->param_size;
picture->slices = g_ptr_array_new_with_free_func ((GDestroyNotify)
gst_vaapi_mini_object_unref);
if (!picture->slices)
return FALSE;
picture->frame =
gst_video_codec_frame_ref (GST_VAAPI_DECODER_CODEC_FRAME (GET_DECODER
(picture)));
return TRUE;
}
GstVaapiPicture *
gst_vaapi_picture_new (GstVaapiDecoder * decoder,
gconstpointer param, guint param_size)
{
GstVaapiCodecObject *object;
object = gst_vaapi_codec_object_new (&GstVaapiPictureClass,
GST_VAAPI_CODEC_BASE (decoder), param, param_size, NULL, 0, 0);
if (!object)
return NULL;
return GST_VAAPI_PICTURE_CAST (object);
}
GstVaapiPicture *
gst_vaapi_picture_new_field (GstVaapiPicture * picture)
{
GstVaapiDecoder *const decoder = GET_DECODER (picture);
GstVaapiCodecObject *object;
object = gst_vaapi_codec_object_new (gst_vaapi_codec_object_get_class
(&picture->parent_instance), GST_VAAPI_CODEC_BASE (decoder), NULL,
picture->param_size, picture, 0,
(GST_VAAPI_CREATE_PICTURE_FLAG_CLONE |
GST_VAAPI_CREATE_PICTURE_FLAG_FIELD));
if (!object)
return NULL;
return GST_VAAPI_PICTURE_CAST (object);
}
void
gst_vaapi_picture_add_slice (GstVaapiPicture * picture, GstVaapiSlice * slice)
{
g_return_if_fail (GST_VAAPI_IS_PICTURE (picture));
g_return_if_fail (GST_VAAPI_IS_SLICE (slice));
g_ptr_array_add (picture->slices, slice);
}
static gboolean
do_decode (VADisplay dpy, VAContextID ctx, VABufferID * buf_id, void **buf_ptr)
{
VAStatus status;
vaapi_unmap_buffer (dpy, *buf_id, buf_ptr);
status = vaRenderPicture (dpy, ctx, buf_id, 1);
if (!vaapi_check_status (status, "vaRenderPicture()"))
return FALSE;
/* XXX: vaRenderPicture() is meant to destroy the VA buffer implicitly */
vaapi_destroy_buffer (dpy, buf_id);
return TRUE;
}
gboolean
gst_vaapi_picture_decode (GstVaapiPicture * picture)
{
GstVaapiIqMatrix *iq_matrix;
GstVaapiBitPlane *bitplane;
GstVaapiHuffmanTable *huf_table;
VADisplay va_display;
VAContextID va_context;
VAStatus status;
guint i;
g_return_val_if_fail (GST_VAAPI_IS_PICTURE (picture), FALSE);
va_display = GET_VA_DISPLAY (picture);
va_context = GET_VA_CONTEXT (picture);
GST_DEBUG ("decode picture 0x%08x", picture->surface_id);
status = vaBeginPicture (va_display, va_context, picture->surface_id);
if (!vaapi_check_status (status, "vaBeginPicture()"))
return FALSE;
if (!do_decode (va_display, va_context, &picture->param_id, &picture->param))
return FALSE;
iq_matrix = picture->iq_matrix;
if (iq_matrix && !do_decode (va_display, va_context,
&iq_matrix->param_id, &iq_matrix->param))
return FALSE;
bitplane = picture->bitplane;
if (bitplane && !do_decode (va_display, va_context,
&bitplane->data_id, (void **) &bitplane->data))
return FALSE;
huf_table = picture->huf_table;
if (huf_table && !do_decode (va_display, va_context,
&huf_table->param_id, (void **) &huf_table->param))
return FALSE;
for (i = 0; i < picture->slices->len; i++) {
GstVaapiSlice *const slice = g_ptr_array_index (picture->slices, i);
VABufferID va_buffers[2];
huf_table = slice->huf_table;
if (huf_table && !do_decode (va_display, va_context,
&huf_table->param_id, (void **) &huf_table->param))
return FALSE;
vaapi_unmap_buffer (va_display, slice->param_id, NULL);
va_buffers[0] = slice->param_id;
va_buffers[1] = slice->data_id;
status = vaRenderPicture (va_display, va_context, va_buffers, 2);
if (!vaapi_check_status (status, "vaRenderPicture()"))
return FALSE;
vaapi_destroy_buffer (va_display, &slice->param_id);
vaapi_destroy_buffer (va_display, &slice->data_id);
}
status = vaEndPicture (va_display, va_context);
if (!vaapi_check_status (status, "vaEndPicture()"))
return FALSE;
return TRUE;
}
static gboolean
do_output (GstVaapiPicture * picture)
{
GstVideoCodecFrame *const out_frame = picture->frame;
GstVaapiSurfaceProxy *proxy;
guint flags = 0;
if (GST_VAAPI_PICTURE_IS_OUTPUT (picture))
return TRUE;
if (!picture->proxy)
return FALSE;
proxy = gst_vaapi_surface_proxy_ref (picture->proxy);
if (picture->has_crop_rect)
gst_vaapi_surface_proxy_set_crop_rect (proxy, &picture->crop_rect);
gst_video_codec_frame_set_user_data (out_frame,
proxy, (GDestroyNotify) gst_vaapi_mini_object_unref);
out_frame->pts = picture->pts;
if (GST_VAAPI_PICTURE_IS_SKIPPED (picture))
GST_VIDEO_CODEC_FRAME_FLAG_SET (out_frame,
GST_VIDEO_CODEC_FRAME_FLAG_DECODE_ONLY);
if (GST_VAAPI_PICTURE_IS_INTERLACED (picture)) {
flags |= GST_VAAPI_SURFACE_PROXY_FLAG_INTERLACED;
if (GST_VAAPI_PICTURE_IS_TFF (picture))
flags |= GST_VAAPI_SURFACE_PROXY_FLAG_TFF;
}
GST_VAAPI_SURFACE_PROXY_FLAG_SET (proxy, flags);
gst_vaapi_decoder_push_frame (GET_DECODER (picture), out_frame);
gst_video_codec_frame_clear (&picture->frame);
GST_VAAPI_PICTURE_FLAG_SET (picture, GST_VAAPI_PICTURE_FLAG_OUTPUT);
return TRUE;
}
gboolean
gst_vaapi_picture_output (GstVaapiPicture * picture)
{
g_return_val_if_fail (GST_VAAPI_IS_PICTURE (picture), FALSE);
if (G_UNLIKELY (picture->parent_picture)) {
/* Emit the first field to GstVideoDecoder so that to release
the underlying GstVideoCodecFrame. However, mark this
picture as skipped so that to not display it */
GstVaapiPicture *const parent_picture = picture->parent_picture;
do {
if (!GST_VAAPI_PICTURE_IS_INTERLACED (parent_picture))
break;
if (!GST_VAAPI_PICTURE_IS_FIRST_FIELD (parent_picture))
break;
GST_VAAPI_PICTURE_FLAG_SET (parent_picture,
GST_VAAPI_PICTURE_FLAG_SKIPPED);
if (!do_output (parent_picture))
return FALSE;
} while (0);
}
return do_output (picture);
}
void
gst_vaapi_picture_set_crop_rect (GstVaapiPicture * picture,
const GstVaapiRectangle * crop_rect)
{
g_return_if_fail (GST_VAAPI_IS_PICTURE (picture));
picture->has_crop_rect = crop_rect != NULL;
if (picture->has_crop_rect)
picture->crop_rect = *crop_rect;
}
/* ------------------------------------------------------------------------- */
/* --- Slices --- */
/* ------------------------------------------------------------------------- */
GST_VAAPI_CODEC_DEFINE_TYPE (GstVaapiSlice, gst_vaapi_slice);
void
gst_vaapi_slice_destroy (GstVaapiSlice * slice)
{
VADisplay const va_display = GET_VA_DISPLAY (slice);
gst_vaapi_codec_object_replace (&slice->huf_table, NULL);
vaapi_destroy_buffer (va_display, &slice->data_id);
vaapi_destroy_buffer (va_display, &slice->param_id);
slice->param = NULL;
}
gboolean
gst_vaapi_slice_create (GstVaapiSlice * slice,
const GstVaapiCodecObjectConstructorArgs * args)
{
VASliceParameterBufferBase *slice_param;
gboolean success;
slice->param_id = VA_INVALID_ID;
slice->data_id = VA_INVALID_ID;
success = vaapi_create_buffer (GET_VA_DISPLAY (slice), GET_VA_CONTEXT (slice),
VASliceDataBufferType, args->data_size, args->data, &slice->data_id,
NULL);
if (!success)
return FALSE;
success = vaapi_create_buffer (GET_VA_DISPLAY (slice), GET_VA_CONTEXT (slice),
VASliceParameterBufferType, args->param_size, args->param,
&slice->param_id, &slice->param);
if (!success)
return FALSE;
slice_param = slice->param;
slice_param->slice_data_size = args->data_size;
slice_param->slice_data_offset = 0;
slice_param->slice_data_flag = VA_SLICE_DATA_FLAG_ALL;
return TRUE;
}
GstVaapiSlice *
gst_vaapi_slice_new (GstVaapiDecoder * decoder,
gconstpointer param, guint param_size, const guchar * data, guint data_size)
{
GstVaapiCodecObject *object;
object = gst_vaapi_codec_object_new (&GstVaapiSliceClass,
GST_VAAPI_CODEC_BASE (decoder), param, param_size, data, data_size, 0);
return GST_VAAPI_SLICE_CAST (object);
}