mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-24 09:10:36 +00:00
Code Issues 1 Projects Releases Wiki Activity

Add initial VP8 decoder.

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=722761

[complete overhaul, fixed support for resolution changes]
Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
This commit is contained in:
Zhao, Halley 2013-12-27 07:18:24 +08:00 committed by Gwenole Beauchesne
parent 450092e371
commit 029bae0b6a
13 changed files with 853 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

50
configure.ac
View file

@ -335,6 +335,7 @@ if test "$enable_builtin_codecparsers" = "yes"; then
ac_cv_have_gst_mpeg2_parser="no"
ac_cv_have_gst_h264_parser="no"
ac_cv_have_gst_jpeg_parser="no"
ac_cv_have_gst_vp8_parser="no"
else
PKG_CHECK_MODULES([GST_CODEC_PARSERS],
[gstreamer-codecparsers-$GST_PKG_VERSION >= $GST_PLUGINS_BAD_VERSION_REQUIRED])
@ -413,6 +414,26 @@ AC_CACHE_CHECK([for JPEG parser],
AM_CONDITIONAL([USE_LOCAL_CODEC_PARSERS_JPEG],
[test "$ac_cv_have_gst_jpeg_parser" != "yes"])
dnl ... VP8 parser, not upstream yet
AC_CACHE_CHECK([for VP8 parser],
ac_cv_have_gst_vp8_parser, [
saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $GST_CFLAGS $GST_CODEC_PARSERS_CFLAGS"
saved_LIBS="$LIBS"
LIBS="$LIBS $GST_LIBS $GST_CODEC_PARSERS_LIBS"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <gst/codecparsers/gstvp8parser.h>]],
[[GstVp8FrameHdr frame_hdr;]])],
[ac_cv_have_gst_vp8_parser="yes"],
[ac_cv_have_gst_vp8_parser="no"]
)
CPPFLAGS="$saved_CPPFLAGS"
LIBS="$saved_LIBS"
])
AM_CONDITIONAL([USE_LOCAL_CODEC_PARSERS_VP8],
[test "$ac_cv_have_gst_vp8_parser" != "yes"])
case $GST_API_VERSION in
0.10) lt_bias=gst0_vaapi_lt_current_bias;;
1.0) lt_bias=gst1_vaapi_lt_current_bias;;
@ -665,6 +686,31 @@ AC_CACHE_CHECK([for JPEG decoding API],
LIBS="$saved_LIBS"
])
dnl Check for VP8 decoding API (0.34+)
USE_VP8_DECODER=0
AC_CACHE_CHECK([for VP8 decoding API],
ac_cv_have_vp8_decoding_api, [
saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $LIBVA_CFLAGS"
saved_LIBS="$LIBS"
LIBS="$LIBS $LIBVA_LIBS"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <va/va.h>
#include <va/va_dec_vp8.h>
]],
[[VAPictureParameterBufferVP8 pic_param;
VASliceParameterBufferVP8 slice_param;
VAProbabilityDataBufferVP8 prob_data;
VAIQMatrixBufferVP8 iq_matrix;]])],
[ac_cv_have_vp8_decoding_api="yes" USE_VP8_DECODER=1],
[ac_cv_have_vp8_decoding_api="no"]
)
CPPFLAGS="$saved_CPPFLAGS"
LIBS="$saved_LIBS"
])
dnl Check for vpp (video post-processing) support
USE_VA_VPP=0
AC_CACHE_CHECK([for video post-postprocessing API],
@ -737,6 +783,10 @@ AC_DEFINE_UNQUOTED(USE_JPEG_DECODER, $USE_JPEG_DECODER,
[Defined to 1 if JPEG decoder is used])
AM_CONDITIONAL(USE_JPEG_DECODER, test $USE_JPEG_DECODER -eq 1)
AC_DEFINE_UNQUOTED(USE_VP8_DECODER, $USE_VP8_DECODER,
[Defined to 1 if JPEG decoder is used])
AM_CONDITIONAL(USE_VP8_DECODER, test $USE_VP8_DECODER -eq 1)
AC_DEFINE_UNQUOTED(USE_DRM, $USE_DRM,
[Defined to 1 if DRM is enabled])
AM_CONDITIONAL(USE_DRM, test $USE_DRM -eq 1)

2
ext/Makefile.am
View file

@ -9,6 +9,7 @@ codecparsers_source_c = \
gstmpeg4parser.c \
gstmpegvideoparser.c \
gstvc1parser.c \
gstvp8parser.c \
parserutils.c \
$(NULL)
@ -20,6 +21,7 @@ codecparsers_source_h = \
gstmpeg4parser.h \
gstmpegvideoparser.h \
gstvc1parser.h \
gstvp8parser.h \
parserutils.h \
$(NULL)

8
gst-libs/gst/codecparsers/Makefile.am
View file

@ -40,6 +40,14 @@ gen_source_c += gsth264parser.c
gen_source_h += gsth264parser.h
endif
if USE_LOCAL_CODEC_PARSERS_VP8
gen_source_c += gstvp8parser.c
gen_source_h += gstvp8parser.h gstvp8rangedecoder.h vp8utils.h
gen_source_c += dboolhuff.c gstvp8rangedecoder.c vp8utils.c
gen_source_h += dboolhuff.h
endif
GENFILES = \
$(gen_source_c) \
$(gen_source_h) \

2
gst-libs/gst/vaapi/Makefile.am
View file

@ -56,6 +56,7 @@ libgstvaapi_source_c = \
gstvaapidecoder_objects.c \
gstvaapidecoder_unit.c \
gstvaapidecoder_vc1.c \
gstvaapidecoder_vp8.c \
gstvaapidisplay.c \
gstvaapidisplaycache.c \
gstvaapifilter.c \
@ -86,6 +87,7 @@ libgstvaapi_source_h = \
gstvaapidecoder_mpeg2.h \
gstvaapidecoder_mpeg4.h \
gstvaapidecoder_vc1.h \
gstvaapidecoder_vp8.h \
gstvaapidisplay.h \
gstvaapifilter.h \
gstvaapiimage.h \

36
gst-libs/gst/vaapi/gstvaapicodec_objects.c
View file

@ -212,3 +212,39 @@ gst_vaapi_huffman_table_new (GstVaapiDecoder * decoder,
return GST_VAAPI_HUFFMAN_TABLE_CAST (object);
}
#endif
#if USE_VP8_DECODER
GST_VAAPI_CODEC_DEFINE_TYPE (GstVaapiProbabilityTable,
gst_vaapi_probability_table);
void
gst_vaapi_probability_table_destroy (GstVaapiProbabilityTable * prob_table)
{
vaapi_destroy_buffer (GET_VA_DISPLAY (prob_table), &prob_table->param_id);
prob_table->param = NULL;
}
gboolean
gst_vaapi_probability_table_create (GstVaapiProbabilityTable * prob_table,
const GstVaapiCodecObjectConstructorArgs * args)
{
prob_table->param_id = VA_INVALID_ID;
return vaapi_create_buffer (GET_VA_DISPLAY (prob_table),
GET_VA_CONTEXT (prob_table),
VAProbabilityBufferType,
args->param_size, args->param, &prob_table->param_id, &prob_table->param);
}
GstVaapiProbabilityTable *
gst_vaapi_probability_table_new (GstVaapiDecoder * decoder,
gconstpointer param, guint param_size)
{
GstVaapiCodecObject *object;
object = gst_vaapi_codec_object_new (&GstVaapiProbabilityTableClass,
GST_VAAPI_CODEC_BASE (decoder), param, param_size, NULL, 0, 0);
if (!object)
return NULL;
return GST_VAAPI_PROBABILITY_TABLE_CAST (object);
}
#endif

35
gst-libs/gst/vaapi/gstvaapicodec_objects.h
View file

@ -27,6 +27,9 @@
#include <gst/vaapi/gstvaapiminiobject.h>
#include <gst/vaapi/gstvaapidecoder.h>
#if USE_VP8_DECODER
#include <va/va_dec_vp8.h>
#endif
G_BEGIN_DECLS
@ -36,6 +39,7 @@ typedef struct _GstVaapiCodecObjectClass GstVaapiCodecObjectClass;
typedef struct _GstVaapiIqMatrix GstVaapiIqMatrix;
typedef struct _GstVaapiBitPlane GstVaapiBitPlane;
typedef struct _GstVaapiHuffmanTable GstVaapiHuffmanTable;
typedef struct _GstVaapiProbabilityTable GstVaapiProbabilityTable;
/* ------------------------------------------------------------------------- */
/* --- Base Codec Object --- */
@ -195,6 +199,33 @@ GstVaapiHuffmanTable *
gst_vaapi_huffman_table_new (GstVaapiDecoder * decoder, guint8 * data,
guint data_size);
/* ------------------------------------------------------------------------- */
/* --- Probability (Update) Table --- */
/* ------------------------------------------------------------------------- */
#define GST_VAAPI_PROBABILITY_TABLE_CAST(obj) \
((GstVaapiProbabilityTable *)(obj))
/**
* GstVaapiProbabilityTable:
*
* A #GstVaapiCodecObject holding an Probability (Update) Table for RAC decoding
*/
struct _GstVaapiProbabilityTable
{
/*< private > */
GstVaapiCodecObject parent_instance;
VABufferID param_id;
/*< public > */
gpointer param;
};
G_GNUC_INTERNAL
GstVaapiProbabilityTable *
gst_vaapi_probability_table_new (GstVaapiDecoder * decoder,
gconstpointer param, guint param_size);
/* ------------------------------------------------------------------------- */
/* --- Helpers to create codec-dependent objects --- */
/* ------------------------------------------------------------------------- */
@ -230,6 +261,10 @@ static const GstVaapiCodecObjectClass G_PASTE (type, Class) = { \
gst_vaapi_huffman_table_new (GST_VAAPI_DECODER_CAST (decoder), \
NULL, sizeof (G_PASTE (VAHuffmanTableBuffer, codec)))
#define GST_VAAPI_PROBABILITY_TABLE_NEW(codec, decoder) \
gst_vaapi_probability_table_new (GST_VAAPI_DECODER_CAST (decoder), \
NULL, sizeof (G_PASTE (VAProbabilityDataBuffer, codec)))
G_END_DECLS
#endif /* GST_VAAPI_CODEC_OBJECTS_H */

7
gst-libs/gst/vaapi/gstvaapidecoder_objects.c
View file

@ -71,6 +71,7 @@ gst_vaapi_picture_destroy (GstVaapiPicture * picture)
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);
gst_vaapi_codec_object_replace (&picture->prob_table, NULL);
if (picture->proxy) {
gst_vaapi_surface_proxy_unref (picture->proxy);
@ -223,6 +224,7 @@ gst_vaapi_picture_decode (GstVaapiPicture * picture)
GstVaapiIqMatrix *iq_matrix;
GstVaapiBitPlane *bitplane;
GstVaapiHuffmanTable *huf_table;
GstVaapiProbabilityTable *prob_table;
VADisplay va_display;
VAContextID va_context;
VAStatus status;
@ -257,6 +259,11 @@ gst_vaapi_picture_decode (GstVaapiPicture * picture)
&huf_table->param_id, (void **) &huf_table->param))
return FALSE;
prob_table = picture->prob_table;
if (prob_table && !do_decode (va_display, va_context,
&prob_table->param_id, (void **) &prob_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];

1
gst-libs/gst/vaapi/gstvaapidecoder_objects.h
View file

@ -134,6 +134,7 @@ struct _GstVaapiPicture
GstVaapiIqMatrix *iq_matrix;
GstVaapiHuffmanTable *huf_table;
GstVaapiBitPlane *bitplane;
GstVaapiProbabilityTable *prob_table;
GstClockTime pts;
gint32 poc;
guint structure;

664
gst-libs/gst/vaapi/gstvaapidecoder_vp8.c Normal file
View file

@ -0,0 +1,664 @@
/*
* gstvaapidecoder_vp8.c - VP8 decoder
*
* Copyright (C) 2013-2014 Intel Corporation
* Author: Halley Zhao <halley.zhao@intel.com>
* 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
*/
/**
* SECTION:gstvaapidecoder_vp8
* @short_description: VP8 decoder
*/
#include "sysdeps.h"
#include <gst/codecparsers/gstvp8parser.h>
#include "gstvaapidecoder_vp8.h"
#include "gstvaapidecoder_objects.h"
#include "gstvaapidecoder_priv.h"
#include "gstvaapidisplay_priv.h"
#include "gstvaapiobject_priv.h"
#include "gstvaapicompat.h"
#include <va/va_dec_vp8.h>
#define DEBUG 1
#include "gstvaapidebug.h"
#define GST_VAAPI_DECODER_VP8_CAST(decoder) \
((GstVaapiDecoderVp8 *)(decoder))
typedef struct _GstVaapiDecoderVp8Private GstVaapiDecoderVp8Private;
typedef struct _GstVaapiDecoderVp8Class GstVaapiDecoderVp8Class;
struct _GstVaapiDecoderVp8Private
{
GstVaapiProfile profile;
guint width;
guint height;
GstVp8Parser parser;
GstVp8FrameHdr frame_hdr;
GstVaapiPicture *last_picture;
GstVaapiPicture *golden_ref_picture;
GstVaapiPicture *alt_ref_picture;
GstVaapiPicture *current_picture;
GstClockTime pts;
guint size_changed:1;
};
/**
* GstVaapiDecoderVp8:
*
* A decoder based on Vp8.
*/
struct _GstVaapiDecoderVp8
{
/*< private >*/
GstVaapiDecoder parent_instance;
GstVaapiDecoderVp8Private priv;
};
/**
* GstVaapiDecoderVp8Class:
*
* A decoder class based on Vp8.
*/
struct _GstVaapiDecoderVp8Class
{
/*< private >*/
GstVaapiDecoderClass parent_class;
};
static GstVaapiDecoderStatus
get_status (GstVp8ParserResult result)
{
GstVaapiDecoderStatus status;
switch (result) {
case GST_VP8_PARSER_OK:
status = GST_VAAPI_DECODER_STATUS_SUCCESS;
break;
case GST_VP8_PARSER_ERROR:
status = GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER;
break;
default:
status = GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
break;
}
return status;
}
static void
gst_vaapi_decoder_vp8_close (GstVaapiDecoderVp8 * decoder)
{
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
gst_vaapi_picture_replace (&priv->last_picture, NULL);
gst_vaapi_picture_replace (&priv->golden_ref_picture, NULL);
gst_vaapi_picture_replace (&priv->alt_ref_picture, NULL);
gst_vaapi_picture_replace (&priv->current_picture, NULL);
}
static gboolean
gst_vaapi_decoder_vp8_open (GstVaapiDecoderVp8 * decoder)
{
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
gst_vaapi_decoder_vp8_close (decoder);
gst_vp8_parser_init (&priv->parser);
return TRUE;
}
static void
gst_vaapi_decoder_vp8_destroy (GstVaapiDecoder * base_decoder)
{
GstVaapiDecoderVp8 *const decoder = GST_VAAPI_DECODER_VP8_CAST (base_decoder);
gst_vaapi_decoder_vp8_close (decoder);
}
static gboolean
gst_vaapi_decoder_vp8_create (GstVaapiDecoder * base_decoder)
{
GstVaapiDecoderVp8 *const decoder = GST_VAAPI_DECODER_VP8_CAST (base_decoder);
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
if (!gst_vaapi_decoder_vp8_open (decoder))
return FALSE;
priv->profile = GST_VAAPI_PROFILE_UNKNOWN;
priv->pts = GST_CLOCK_TIME_NONE;
return TRUE;
}
static GstVaapiDecoderStatus
ensure_context (GstVaapiDecoderVp8 * decoder)
{
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
const GstVaapiProfile profile = GST_VAAPI_PROFILE_VP8;
const GstVaapiEntrypoint entrypoint = GST_VAAPI_ENTRYPOINT_VLD;
gboolean reset_context = FALSE;
if (priv->profile != profile) {
if (!gst_vaapi_display_has_decoder (GST_VAAPI_DECODER_DISPLAY (decoder),
profile, entrypoint))
return GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE;
priv->profile = profile;
reset_context = TRUE;
}
if (priv->size_changed) {
GST_DEBUG ("size changed");
priv->size_changed = FALSE;
reset_context = TRUE;
}
if (reset_context) {
GstVaapiContextInfo info;
info.profile = priv->profile;
info.entrypoint = entrypoint;
info.width = priv->width;
info.height = priv->height;
info.ref_frames = 3;
reset_context =
gst_vaapi_decoder_ensure_context (GST_VAAPI_DECODER (decoder), &info);
if (!reset_context)
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
}
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
ensure_quant_matrix (GstVaapiDecoderVp8 * decoder, GstVaapiPicture * picture)
{
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
GstVp8FrameHdr *const frame_hdr = &priv->frame_hdr;
GstVp8Segmentation *const seg = &priv->parser.segmentation;
VAIQMatrixBufferVP8 *iq_matrix;
const gint8 QI_MAX = 127;
gint8 qi, qi_base;
gint i;
picture->iq_matrix = GST_VAAPI_IQ_MATRIX_NEW (VP8, decoder);
if (!picture->iq_matrix) {
GST_ERROR ("failed to allocate IQ matrix");
return GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED;
}
iq_matrix = picture->iq_matrix->param;
/* Fill in VAIQMatrixBufferVP8 */
for (i = 0; i < 4; i++) {
if (seg->segmentation_enabled) {
qi_base = seg->quantizer_update_value[i];
if (!seg->segment_feature_mode) // 0 means delta update
qi_base += frame_hdr->quant_indices.y_ac_qi;
} else
qi_base = frame_hdr->quant_indices.y_ac_qi;
qi = qi_base;
iq_matrix->quantization_index[i][0] = CLAMP (qi, 0, QI_MAX);
qi = qi_base + frame_hdr->quant_indices.y_dc_delta;
iq_matrix->quantization_index[i][1] = CLAMP (qi, 0, QI_MAX);
qi = qi_base + frame_hdr->quant_indices.y2_dc_delta;
iq_matrix->quantization_index[i][2] = CLAMP (qi, 0, QI_MAX);
qi = qi_base + frame_hdr->quant_indices.y2_ac_delta;
iq_matrix->quantization_index[i][3] = CLAMP (qi, 0, QI_MAX);
qi = qi_base + frame_hdr->quant_indices.uv_dc_delta;
iq_matrix->quantization_index[i][4] = CLAMP (qi, 0, QI_MAX);
qi = qi_base + frame_hdr->quant_indices.uv_ac_delta;
iq_matrix->quantization_index[i][5] = CLAMP (qi, 0, QI_MAX);
}
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
ensure_probability_table (GstVaapiDecoderVp8 * decoder,
GstVaapiPicture * picture)
{
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
GstVp8FrameHdr *const frame_hdr = &priv->frame_hdr;
VAProbabilityDataBufferVP8 *prob_table;
picture->prob_table = GST_VAAPI_PROBABILITY_TABLE_NEW (VP8, decoder);
if (!picture->prob_table) {
GST_ERROR ("failed to allocate probality table");
return GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED;
}
prob_table = picture->prob_table->param;
/* Fill in VAProbabilityDataBufferVP8 */
memcpy (prob_table->dct_coeff_probs, frame_hdr->token_probs.prob,
sizeof (frame_hdr->token_probs.prob));
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static void
init_picture (GstVaapiDecoderVp8 * decoder, GstVaapiPicture * picture)
{
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
GstVp8FrameHdr *const frame_hdr = &priv->frame_hdr;
picture->structure = GST_VAAPI_PICTURE_STRUCTURE_FRAME;
picture->type = frame_hdr->key_frame ? GST_VAAPI_PICTURE_TYPE_I :
GST_VAAPI_PICTURE_TYPE_P;
picture->pts = priv->pts;
if (!frame_hdr->show_frame)
GST_VAAPI_PICTURE_FLAG_SET (picture, GST_VAAPI_PICTURE_FLAG_SKIPPED);
}
static gboolean
fill_picture (GstVaapiDecoderVp8 * decoder, GstVaapiPicture * picture)
{
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
VAPictureParameterBufferVP8 *const pic_param = picture->param;
GstVp8Parser *const parser = &priv->parser;
GstVp8FrameHdr *const frame_hdr = &priv->frame_hdr;
GstVp8Segmentation *const seg = &parser->segmentation;
gint i;
/* Fill in VAPictureParameterBufferVP8 */
pic_param->frame_width = priv->width;
pic_param->frame_height = priv->height;
pic_param->last_ref_frame = VA_INVALID_SURFACE;
pic_param->golden_ref_frame = VA_INVALID_SURFACE;
pic_param->alt_ref_frame = VA_INVALID_SURFACE;
if (!frame_hdr->key_frame) {
if (priv->last_picture)
pic_param->last_ref_frame = priv->last_picture->surface_id;
if (priv->golden_ref_picture)
pic_param->golden_ref_frame = priv->golden_ref_picture->surface_id;
if (priv->alt_ref_picture)
pic_param->alt_ref_frame = priv->alt_ref_picture->surface_id;
}
pic_param->out_of_loop_frame = VA_INVALID_SURFACE; // not used currently
pic_param->pic_fields.value = 0;
pic_param->pic_fields.bits.key_frame = !frame_hdr->key_frame;
pic_param->pic_fields.bits.version = frame_hdr->version;
pic_param->pic_fields.bits.segmentation_enabled = seg->segmentation_enabled;
pic_param->pic_fields.bits.update_mb_segmentation_map =
seg->update_mb_segmentation_map;
pic_param->pic_fields.bits.update_segment_feature_data =
seg->update_segment_feature_data;
pic_param->pic_fields.bits.filter_type = frame_hdr->filter_type;
pic_param->pic_fields.bits.sharpness_level = frame_hdr->sharpness_level;
pic_param->pic_fields.bits.loop_filter_adj_enable =
parser->mb_lf_adjust.loop_filter_adj_enable;
pic_param->pic_fields.bits.mode_ref_lf_delta_update =
parser->mb_lf_adjust.mode_ref_lf_delta_update;
pic_param->pic_fields.bits.sign_bias_golden = frame_hdr->sign_bias_golden;
pic_param->pic_fields.bits.sign_bias_alternate =
frame_hdr->sign_bias_alternate;
pic_param->pic_fields.bits.mb_no_coeff_skip = frame_hdr->mb_no_skip_coeff;
for (i = 0; i < 3; i++)
pic_param->mb_segment_tree_probs[i] = seg->segment_prob[i];
for (i = 0; i < 4; i++) {
if (seg->segmentation_enabled) {
pic_param->loop_filter_level[i] = seg->lf_update_value[i];
if (!seg->segment_feature_mode)
pic_param->loop_filter_level[i] += frame_hdr->loop_filter_level;
} else
pic_param->loop_filter_level[i] = frame_hdr->loop_filter_level;
pic_param->loop_filter_deltas_ref_frame[i] =
parser->mb_lf_adjust.ref_frame_delta[i];
pic_param->loop_filter_deltas_mode[i] =
parser->mb_lf_adjust.mb_mode_delta[i];
}
if ((pic_param->pic_fields.bits.version == 0)
|| (pic_param->pic_fields.bits.version == 1)) {
pic_param->pic_fields.bits.loop_filter_disable =
pic_param->loop_filter_level[0] == 0;
}
pic_param->prob_skip_false = frame_hdr->prob_skip_false;
pic_param->prob_intra = frame_hdr->prob_intra;
pic_param->prob_last = frame_hdr->prob_last;
pic_param->prob_gf = frame_hdr->prob_gf;
memcpy (pic_param->y_mode_probs, frame_hdr->mode_probs.y_prob,
sizeof (frame_hdr->mode_probs.y_prob));
memcpy (pic_param->uv_mode_probs, frame_hdr->mode_probs.uv_prob,
sizeof (frame_hdr->mode_probs.uv_prob));
memcpy (pic_param->mv_probs, frame_hdr->mv_probs.prob,
sizeof (frame_hdr->mv_probs));
pic_param->bool_coder_ctx.range = frame_hdr->rd_range;
pic_param->bool_coder_ctx.value = frame_hdr->rd_value;
pic_param->bool_coder_ctx.count = frame_hdr->rd_count;
return TRUE;
}
static gboolean
fill_slice (GstVaapiDecoderVp8 * decoder, GstVaapiSlice * slice)
{
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
VASliceParameterBufferVP8 *const slice_param = slice->param;
GstVp8FrameHdr *const frame_hdr = &priv->frame_hdr;
gint i;
/* Fill in VASliceParameterBufferVP8 */
slice_param->slice_data_offset = frame_hdr->data_chunk_size;
slice_param->macroblock_offset = frame_hdr->header_size;
slice_param->num_of_partitions =
(1 << frame_hdr->log2_nbr_of_dct_partitions) + 1;
slice_param->partition_size[0] =
frame_hdr->first_part_size - ((slice_param->macroblock_offset + 7) >> 3);
for (i = 1; i < slice_param->num_of_partitions; i++)
slice_param->partition_size[i] = frame_hdr->partition_size[i - 1];
for (; i < G_N_ELEMENTS (slice_param->partition_size); i++)
slice_param->partition_size[i] = 0;
return TRUE;
}
static GstVaapiDecoderStatus
decode_slice (GstVaapiDecoderVp8 * decoder, GstVaapiPicture * picture,
const guchar * buf, guint buf_size)
{
GstVaapiSlice *slice;
slice = GST_VAAPI_SLICE_NEW (VP8, decoder, buf, buf_size);
if (!slice) {
GST_ERROR ("failed to allocate slice");
return GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED;
}
if (!fill_slice (decoder, slice)) {
gst_vaapi_mini_object_unref (GST_VAAPI_MINI_OBJECT (slice));
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
}
gst_vaapi_picture_add_slice (GST_VAAPI_PICTURE_CAST (picture), slice);
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
decode_picture (GstVaapiDecoderVp8 * decoder, const guchar * buf,
guint buf_size)
{
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
GstVaapiPicture *picture;
GstVaapiDecoderStatus status;
status = ensure_context (decoder);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
return status;
/* Create new picture */
picture = GST_VAAPI_PICTURE_NEW (VP8, decoder);
if (!picture) {
GST_ERROR ("failed to allocate picture");
return GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED;
}
gst_vaapi_picture_replace (&priv->current_picture, picture);
gst_vaapi_picture_unref (picture);
status = ensure_quant_matrix (decoder, picture);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
return status;
status = ensure_probability_table (decoder, picture);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
return status;
init_picture (decoder, picture);
if (!fill_picture (decoder, picture))
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
return decode_slice (decoder, picture, buf, buf_size);
}
static void
update_ref_frames (GstVaapiDecoderVp8 * decoder)
{
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
GstVaapiPicture *picture = priv->current_picture;
GstVp8FrameHdr *const frame_hdr = &priv->frame_hdr;
// update picture reference
if (frame_hdr->key_frame) {
gst_vaapi_picture_replace (&priv->golden_ref_picture, picture);
gst_vaapi_picture_replace (&priv->alt_ref_picture, picture);
} else {
// process refresh_alternate_frame/copy_buffer_to_alternate first
if (frame_hdr->refresh_alternate_frame) {
gst_vaapi_picture_replace (&priv->alt_ref_picture, picture);
} else {
switch (frame_hdr->copy_buffer_to_alternate) {
case 0:
// do nothing
break;
case 1:
gst_vaapi_picture_replace (&priv->alt_ref_picture,
priv->last_picture);
break;
case 2:
gst_vaapi_picture_replace (&priv->alt_ref_picture,
priv->golden_ref_picture);
break;
default:
GST_WARNING
("WARNING: VP8 decoder: unrecognized copy_buffer_to_alternate");
}
}
if (frame_hdr->refresh_golden_frame) {
gst_vaapi_picture_replace (&priv->golden_ref_picture, picture);
} else {
switch (frame_hdr->copy_buffer_to_golden) {
case 0:
// do nothing
break;
case 1:
gst_vaapi_picture_replace (&priv->golden_ref_picture,
priv->last_picture);
break;
case 2:
gst_vaapi_picture_replace (&priv->golden_ref_picture,
priv->alt_ref_picture);
break;
default:
GST_WARNING
("WARNING: VP8 decoder: unrecognized copy_buffer_to_golden");
}
}
}
if (frame_hdr->key_frame || frame_hdr->refresh_last)
gst_vaapi_picture_replace (&priv->last_picture, picture);
}
static GstVaapiDecoderStatus
decode_current_picture (GstVaapiDecoderVp8 * decoder)
{
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
GstVaapiPicture *const picture = priv->current_picture;
if (!picture)
return GST_VAAPI_DECODER_STATUS_SUCCESS;
update_ref_frames (decoder);
if (!gst_vaapi_picture_decode (picture))
goto error;
if (!gst_vaapi_picture_output (picture))
goto error;
gst_vaapi_picture_replace (&priv->current_picture, NULL);
return GST_VAAPI_DECODER_STATUS_SUCCESS;
error:
/* XXX: fix for cases where first field failed to be decoded */
gst_vaapi_picture_replace (&priv->current_picture, NULL);
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
}
static GstVaapiDecoderStatus
parse_frame_header (GstVaapiDecoderVp8 * decoder, const guchar * buf,
guint buf_size, GstVp8FrameHdr * frame_hdr)
{
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
GstVp8ParserResult result;
memset (frame_hdr, 0, sizeof (*frame_hdr));
result = gst_vp8_parser_parse_frame_header (&priv->parser, frame_hdr,
buf, buf_size);
if (result != GST_VP8_PARSER_OK)
return get_status (result);
if (frame_hdr->key_frame &&
(frame_hdr->width != priv->width || frame_hdr->height != priv->height)) {
priv->width = frame_hdr->width;
priv->height = frame_hdr->height;
priv->size_changed = TRUE;
}
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
gst_vaapi_decoder_vp8_parse (GstVaapiDecoder * base_decoder,
GstAdapter * adapter, gboolean at_eos, GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderVp8 *const decoder = GST_VAAPI_DECODER_VP8_CAST (base_decoder);
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
guint flags = 0;
priv->pts = gst_adapter_prev_pts (adapter, NULL);
unit->size = gst_adapter_available (adapter);
/* The whole frame is available */
flags |= GST_VAAPI_DECODER_UNIT_FLAG_FRAME_START;
flags |= GST_VAAPI_DECODER_UNIT_FLAG_SLICE;
flags |= GST_VAAPI_DECODER_UNIT_FLAG_FRAME_END;
GST_VAAPI_DECODER_UNIT_FLAG_SET (unit, flags);
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
decode_buffer (GstVaapiDecoderVp8 * decoder, const guchar * buf, guint buf_size)
{
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
GstVaapiDecoderStatus status;
status = parse_frame_header (decoder, buf, buf_size, &priv->frame_hdr);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
return status;
return decode_picture (decoder, buf, buf_size);
}
GstVaapiDecoderStatus
gst_vaapi_decoder_vp8_decode (GstVaapiDecoder * base_decoder,
GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderVp8 *const decoder = GST_VAAPI_DECODER_VP8_CAST (base_decoder);
GstVaapiDecoderStatus status;
GstBuffer *const buffer =
GST_VAAPI_DECODER_CODEC_FRAME (decoder)->input_buffer;
GstMapInfo map_info;
if (!gst_buffer_map (buffer, &map_info, GST_MAP_READ)) {
GST_ERROR ("failed to map buffer");
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
}
status = decode_buffer (decoder, map_info.data + unit->offset, unit->size);
gst_buffer_unmap (buffer, &map_info);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
return status;
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
gst_vaapi_decoder_vp8_start_frame (GstVaapiDecoder * base_decoder,
GstVaapiDecoderUnit * base_unit)
{
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
gst_vaapi_decoder_vp8_end_frame (GstVaapiDecoder * base_decoder)
{
GstVaapiDecoderVp8 *const decoder = GST_VAAPI_DECODER_VP8_CAST (base_decoder);
return decode_current_picture (decoder);
}
static GstVaapiDecoderStatus
gst_vaapi_decoder_vp8_flush (GstVaapiDecoder * base_decoder)
{
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static void
gst_vaapi_decoder_vp8_class_init (GstVaapiDecoderVp8Class * klass)
{
GstVaapiMiniObjectClass *const object_class =
GST_VAAPI_MINI_OBJECT_CLASS (klass);
GstVaapiDecoderClass *const decoder_class = GST_VAAPI_DECODER_CLASS (klass);
object_class->size = sizeof (GstVaapiDecoderVp8);
object_class->finalize = (GDestroyNotify) gst_vaapi_decoder_finalize;
decoder_class->create = gst_vaapi_decoder_vp8_create;
decoder_class->destroy = gst_vaapi_decoder_vp8_destroy;
decoder_class->parse = gst_vaapi_decoder_vp8_parse;
decoder_class->decode = gst_vaapi_decoder_vp8_decode;
decoder_class->start_frame = gst_vaapi_decoder_vp8_start_frame;
decoder_class->end_frame = gst_vaapi_decoder_vp8_end_frame;
decoder_class->flush = gst_vaapi_decoder_vp8_flush;
}
static inline const GstVaapiDecoderClass *
gst_vaapi_decoder_vp8_class (void)
{
static GstVaapiDecoderVp8Class g_class;
static gsize g_class_init = FALSE;
if (g_once_init_enter (&g_class_init)) {
gst_vaapi_decoder_vp8_class_init (&g_class);
g_once_init_leave (&g_class_init, TRUE);
}
return GST_VAAPI_DECODER_CLASS (&g_class);
}
/**
* gst_vaapi_decoder_vp8_new:
* @display: a #GstVaapiDisplay
* @caps: a #GstCaps holding codec information
*
* Creates a new #GstVaapiDecoder for VP8 decoding. The @caps can
* hold extra information like codec-data and pictured coded size.
*
* Return value: the newly allocated #GstVaapiDecoder object
*/
GstVaapiDecoder *
gst_vaapi_decoder_vp8_new (GstVaapiDisplay * display, GstCaps * caps)
{
return gst_vaapi_decoder_new (gst_vaapi_decoder_vp8_class (), display, caps);
}

38
gst-libs/gst/vaapi/gstvaapidecoder_vp8.h Normal file
View file

@ -0,0 +1,38 @@
/*
* gstvaapidecoder_vp8.h - VP8 decoder
*
* Copyright (C) 2013-2014 Intel Corporation
* Author: Halley Zhao <halley.zhao@intel.com>
* 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
*/
#ifndef GST_VAAPI_DECODER_VP8_H
#define GST_VAAPI_DECODER_VP8_H
#include <gst/vaapi/gstvaapidecoder.h>
G_BEGIN_DECLS
typedef struct _GstVaapiDecoderVp8 GstVaapiDecoderVp8;
GstVaapiDecoder *
gst_vaapi_decoder_vp8_new (GstVaapiDisplay * display, GstCaps * caps);
G_END_DECLS
#endif /* GST_VAAPI_DECODER_VP8_H */

3
gst-libs/gst/vaapi/gstvaapiprofile.c
View file

@ -65,6 +65,7 @@ static const GstVaapiCodecMap gst_vaapi_codecs[] = {
{ GST_VAAPI_CODEC_WMV3, "wmv3" },
{ GST_VAAPI_CODEC_VC1, "vc1" },
{ GST_VAAPI_CODEC_JPEG, "jpeg" },
{ GST_VAAPI_CODEC_VP8, "vp8" },
{ 0, }
};
@ -125,6 +126,8 @@ static const GstVaapiProfileMap gst_vaapi_profiles[] = {
"image/jpeg", "baseline"
},
#endif
{GST_VAAPI_PROFILE_VP8, VAProfileVP8Version0_3,
"video/x-vp8", "Version0_3"},
{ 0, }
};

2
gst-libs/gst/vaapi/gstvaapiprofile.h
View file

@ -51,6 +51,7 @@ typedef enum {
GST_VAAPI_CODEC_WMV3 = GST_MAKE_FOURCC('W','M','V',0),
GST_VAAPI_CODEC_VC1 = GST_MAKE_FOURCC('V','C','1',0),
GST_VAAPI_CODEC_JPEG = GST_MAKE_FOURCC('J','P','G',0),
GST_VAAPI_CODEC_VP8 = GST_MAKE_FOURCC('V','P','8',0),
} GstVaapiCodec;
/**
@ -151,6 +152,7 @@ typedef enum {
GST_VAAPI_PROFILE_VC1_MAIN = GST_VAAPI_MAKE_PROFILE(VC1,2),
GST_VAAPI_PROFILE_VC1_ADVANCED = GST_VAAPI_MAKE_PROFILE(VC1,3),
GST_VAAPI_PROFILE_JPEG_BASELINE = GST_VAAPI_MAKE_PROFILE(JPEG,1),
GST_VAAPI_PROFILE_VP8 = GST_VAAPI_MAKE_PROFILE(VP8,1),
} GstVaapiProfile;
/**

5
gst/vaapi/gstvaapidecode.c
View file

@ -49,6 +49,7 @@
#include <gst/vaapi/gstvaapidecoder_mpeg2.h>
#include <gst/vaapi/gstvaapidecoder_mpeg4.h>
#include <gst/vaapi/gstvaapidecoder_vc1.h>
#include <gst/vaapi/gstvaapidecoder_vp8.h>
#define GST_PLUGIN_NAME "vaapidecode"
#define GST_PLUGIN_DESC "A VA-API based video decoder"
@ -67,6 +68,7 @@ static const char gst_vaapidecode_sink_caps_str[] =
GST_CAPS_CODEC("video/x-h263")
GST_CAPS_CODEC("video/x-h264")
GST_CAPS_CODEC("video/x-wmv")
GST_CAPS_CODEC("video/x-vp8")
GST_CAPS_CODEC("image/jpeg")
;
@ -631,6 +633,9 @@ gst_vaapidecode_create(GstVaapiDecode *decode, GstCaps *caps)
decode->decoder = gst_vaapi_decoder_jpeg_new(dpy, caps);
break;
#endif
case GST_VAAPI_CODEC_VP8:
decode->decoder = gst_vaapi_decoder_vp8_new(dpy, caps);
break;
default:
decode->decoder = NULL;
break;