2009-04-02 07:30:04 +00:00
|
|
|
/*
|
|
|
|
* MPEG-4 / H.263 HW decode acceleration through VA API
|
|
|
|
*
|
|
|
|
* Copyright (C) 2008-2009 Splitted-Desktop Systems
|
|
|
|
*
|
2011-03-18 17:35:10 +00:00
|
|
|
* This file is part of Libav.
|
2009-04-02 07:30:04 +00:00
|
|
|
*
|
2011-03-18 17:35:10 +00:00
|
|
|
* Libav is free software; you can redistribute it and/or
|
2009-04-02 07:30:04 +00:00
|
|
|
* 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.
|
|
|
|
*
|
2011-03-18 17:35:10 +00:00
|
|
|
* Libav is distributed in the hope that it will be useful,
|
2009-04-02 07:30:04 +00:00
|
|
|
* 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
|
2011-03-18 17:35:10 +00:00
|
|
|
* License along with Libav; if not, write to the Free Software
|
2009-04-02 07:30:04 +00:00
|
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include "vaapi_internal.h"
|
2010-06-27 20:18:28 +00:00
|
|
|
#include "h263.h"
|
2013-11-26 10:23:16 +00:00
|
|
|
#include "mpeg4video.h"
|
2009-04-02 07:30:04 +00:00
|
|
|
|
|
|
|
/** Reconstruct bitstream intra_dc_vlc_thr */
|
2013-11-29 21:26:15 +00:00
|
|
|
static int mpeg4_get_intra_dc_vlc_thr(Mpeg4DecContext *s)
|
2009-04-02 07:30:04 +00:00
|
|
|
{
|
|
|
|
switch (s->intra_dc_threshold) {
|
|
|
|
case 99: return 0;
|
|
|
|
case 13: return 1;
|
|
|
|
case 15: return 2;
|
|
|
|
case 17: return 3;
|
|
|
|
case 19: return 4;
|
|
|
|
case 21: return 5;
|
|
|
|
case 23: return 6;
|
|
|
|
case 0: return 7;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int vaapi_mpeg4_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
|
|
|
|
{
|
2013-11-26 10:23:16 +00:00
|
|
|
Mpeg4DecContext *ctx = avctx->priv_data;
|
|
|
|
MpegEncContext * const s = &ctx->m;
|
2009-04-02 07:30:04 +00:00
|
|
|
struct vaapi_context * const vactx = avctx->hwaccel_context;
|
|
|
|
VAPictureParameterBufferMPEG4 *pic_param;
|
|
|
|
VAIQMatrixBufferMPEG4 *iq_matrix;
|
|
|
|
int i;
|
|
|
|
|
2011-01-29 16:46:18 +00:00
|
|
|
av_dlog(avctx, "vaapi_mpeg4_start_frame()\n");
|
2009-04-02 07:30:04 +00:00
|
|
|
|
|
|
|
vactx->slice_param_size = sizeof(VASliceParameterBufferMPEG4);
|
|
|
|
|
|
|
|
/* Fill in VAPictureParameterBufferMPEG4 */
|
2009-12-28 09:03:09 +00:00
|
|
|
pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VAPictureParameterBufferMPEG4));
|
2009-04-02 07:30:04 +00:00
|
|
|
if (!pic_param)
|
|
|
|
return -1;
|
|
|
|
pic_param->vop_width = s->width;
|
|
|
|
pic_param->vop_height = s->height;
|
2009-12-28 15:19:36 +00:00
|
|
|
pic_param->forward_reference_picture = VA_INVALID_ID;
|
|
|
|
pic_param->backward_reference_picture = VA_INVALID_ID;
|
2009-04-02 07:30:04 +00:00
|
|
|
pic_param->vol_fields.value = 0; /* reset all bits */
|
2012-08-05 09:11:04 +00:00
|
|
|
pic_param->vol_fields.bits.short_video_header = avctx->codec->id == AV_CODEC_ID_H263;
|
2009-04-02 07:30:04 +00:00
|
|
|
pic_param->vol_fields.bits.chroma_format = CHROMA_420;
|
|
|
|
pic_param->vol_fields.bits.interlaced = !s->progressive_sequence;
|
|
|
|
pic_param->vol_fields.bits.obmc_disable = 1;
|
2013-11-26 10:23:16 +00:00
|
|
|
pic_param->vol_fields.bits.sprite_enable = ctx->vol_sprite_usage;
|
2009-04-02 07:30:04 +00:00
|
|
|
pic_param->vol_fields.bits.sprite_warping_accuracy = s->sprite_warping_accuracy;
|
|
|
|
pic_param->vol_fields.bits.quant_type = s->mpeg_quant;
|
|
|
|
pic_param->vol_fields.bits.quarter_sample = s->quarter_sample;
|
|
|
|
pic_param->vol_fields.bits.data_partitioned = s->data_partitioning;
|
2013-11-26 10:23:16 +00:00
|
|
|
pic_param->vol_fields.bits.reversible_vlc = ctx->rvlc;
|
2013-11-26 11:18:44 +00:00
|
|
|
pic_param->vol_fields.bits.resync_marker_disable = !ctx->resync_marker;
|
2013-11-26 13:34:52 +00:00
|
|
|
pic_param->no_of_sprite_warping_points = ctx->num_sprite_warping_points;
|
|
|
|
for (i = 0; i < ctx->num_sprite_warping_points && i < 3; i++) {
|
2013-11-26 13:34:52 +00:00
|
|
|
pic_param->sprite_trajectory_du[i] = ctx->sprite_traj[i][0];
|
|
|
|
pic_param->sprite_trajectory_dv[i] = ctx->sprite_traj[i][1];
|
2009-04-02 07:30:04 +00:00
|
|
|
}
|
|
|
|
pic_param->quant_precision = s->quant_precision;
|
|
|
|
pic_param->vop_fields.value = 0; /* reset all bits */
|
2011-04-29 16:53:57 +00:00
|
|
|
pic_param->vop_fields.bits.vop_coding_type = s->pict_type - AV_PICTURE_TYPE_I;
|
2011-07-10 22:55:06 +00:00
|
|
|
pic_param->vop_fields.bits.backward_reference_vop_coding_type = s->pict_type == AV_PICTURE_TYPE_B ? s->next_picture.f.pict_type - AV_PICTURE_TYPE_I : 0;
|
2009-04-02 07:30:04 +00:00
|
|
|
pic_param->vop_fields.bits.vop_rounding_type = s->no_rounding;
|
2013-11-29 21:26:15 +00:00
|
|
|
pic_param->vop_fields.bits.intra_dc_vlc_thr = mpeg4_get_intra_dc_vlc_thr(ctx);
|
2009-04-02 07:30:04 +00:00
|
|
|
pic_param->vop_fields.bits.top_field_first = s->top_field_first;
|
|
|
|
pic_param->vop_fields.bits.alternate_vertical_scan_flag = s->alternate_scan;
|
|
|
|
pic_param->vop_fcode_forward = s->f_code;
|
|
|
|
pic_param->vop_fcode_backward = s->b_code;
|
2009-12-20 16:31:21 +00:00
|
|
|
pic_param->vop_time_increment_resolution = avctx->time_base.den;
|
2009-04-02 07:30:04 +00:00
|
|
|
pic_param->num_macroblocks_in_gob = s->mb_width * ff_h263_get_gob_height(s);
|
|
|
|
pic_param->num_gobs_in_vop = (s->mb_width * s->mb_height) / pic_param->num_macroblocks_in_gob;
|
|
|
|
pic_param->TRB = s->pb_time;
|
|
|
|
pic_param->TRD = s->pp_time;
|
|
|
|
|
2011-04-29 16:53:57 +00:00
|
|
|
if (s->pict_type == AV_PICTURE_TYPE_B)
|
2009-12-28 09:02:16 +00:00
|
|
|
pic_param->backward_reference_picture = ff_vaapi_get_surface_id(&s->next_picture);
|
2011-04-29 16:53:57 +00:00
|
|
|
if (s->pict_type != AV_PICTURE_TYPE_I)
|
2009-12-28 09:02:16 +00:00
|
|
|
pic_param->forward_reference_picture = ff_vaapi_get_surface_id(&s->last_picture);
|
2009-04-02 07:30:04 +00:00
|
|
|
|
|
|
|
/* Fill in VAIQMatrixBufferMPEG4 */
|
2011-10-05 12:12:42 +00:00
|
|
|
/* Only the first inverse quantisation method uses the weighting matrices */
|
2009-04-02 07:30:04 +00:00
|
|
|
if (pic_param->vol_fields.bits.quant_type) {
|
|
|
|
iq_matrix = ff_vaapi_alloc_iq_matrix(vactx, sizeof(VAIQMatrixBufferMPEG4));
|
|
|
|
if (!iq_matrix)
|
|
|
|
return -1;
|
|
|
|
iq_matrix->load_intra_quant_mat = 1;
|
|
|
|
iq_matrix->load_non_intra_quant_mat = 1;
|
|
|
|
|
|
|
|
for (i = 0; i < 64; i++) {
|
|
|
|
int n = s->dsp.idct_permutation[ff_zigzag_direct[i]];
|
|
|
|
iq_matrix->intra_quant_mat[i] = s->intra_matrix[n];
|
|
|
|
iq_matrix->non_intra_quant_mat[i] = s->inter_matrix[n];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int vaapi_mpeg4_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
|
|
|
|
{
|
|
|
|
MpegEncContext * const s = avctx->priv_data;
|
|
|
|
VASliceParameterBufferMPEG4 *slice_param;
|
|
|
|
|
2011-01-29 16:46:18 +00:00
|
|
|
av_dlog(avctx, "vaapi_mpeg4_decode_slice(): buffer %p, size %d\n", buffer, size);
|
2009-04-02 07:30:04 +00:00
|
|
|
|
|
|
|
/* video_plane_with_short_video_header() contains all GOBs
|
|
|
|
* in-order, and this is what VA API (Intel backend) expects: only
|
2011-04-15 20:30:26 +00:00
|
|
|
* a single slice param. So fake macroblock_number for Libav so
|
2009-04-02 07:30:04 +00:00
|
|
|
* that we don't call vaapi_mpeg4_decode_slice() again
|
|
|
|
*/
|
2012-08-05 09:11:04 +00:00
|
|
|
if (avctx->codec->id == AV_CODEC_ID_H263)
|
2009-04-02 07:30:04 +00:00
|
|
|
size = s->gb.buffer_end - buffer;
|
|
|
|
|
|
|
|
/* Fill in VASliceParameterBufferMPEG4 */
|
|
|
|
slice_param = (VASliceParameterBufferMPEG4 *)ff_vaapi_alloc_slice(avctx->hwaccel_context, buffer, size);
|
|
|
|
if (!slice_param)
|
|
|
|
return -1;
|
|
|
|
slice_param->macroblock_offset = get_bits_count(&s->gb) % 8;
|
|
|
|
slice_param->macroblock_number = s->mb_y * s->mb_width + s->mb_x;
|
|
|
|
slice_param->quant_scale = s->qscale;
|
|
|
|
|
2012-08-05 09:11:04 +00:00
|
|
|
if (avctx->codec->id == AV_CODEC_ID_H263)
|
2009-04-02 07:30:04 +00:00
|
|
|
s->mb_y = s->mb_height;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#if CONFIG_MPEG4_VAAPI_HWACCEL
|
2011-01-27 02:56:14 +00:00
|
|
|
AVHWAccel ff_mpeg4_vaapi_hwaccel = {
|
2009-04-02 07:30:04 +00:00
|
|
|
.name = "mpeg4_vaapi",
|
2010-03-30 23:30:55 +00:00
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
2012-08-05 09:11:04 +00:00
|
|
|
.id = AV_CODEC_ID_MPEG4,
|
2012-10-06 10:10:34 +00:00
|
|
|
.pix_fmt = AV_PIX_FMT_VAAPI_VLD,
|
2009-04-02 07:30:04 +00:00
|
|
|
.start_frame = vaapi_mpeg4_start_frame,
|
2013-02-03 10:10:05 +00:00
|
|
|
.end_frame = ff_vaapi_mpeg_end_frame,
|
2009-04-02 07:30:04 +00:00
|
|
|
.decode_slice = vaapi_mpeg4_decode_slice,
|
|
|
|
};
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if CONFIG_H263_VAAPI_HWACCEL
|
2011-01-27 02:56:14 +00:00
|
|
|
AVHWAccel ff_h263_vaapi_hwaccel = {
|
2009-04-02 07:30:04 +00:00
|
|
|
.name = "h263_vaapi",
|
2010-03-30 23:30:55 +00:00
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
2012-08-05 09:11:04 +00:00
|
|
|
.id = AV_CODEC_ID_H263,
|
2012-10-06 10:10:34 +00:00
|
|
|
.pix_fmt = AV_PIX_FMT_VAAPI_VLD,
|
2009-04-02 07:30:04 +00:00
|
|
|
.start_frame = vaapi_mpeg4_start_frame,
|
2013-02-03 10:10:05 +00:00
|
|
|
.end_frame = ff_vaapi_mpeg_end_frame,
|
2009-04-02 07:30:04 +00:00
|
|
|
.decode_slice = vaapi_mpeg4_decode_slice,
|
|
|
|
};
|
|
|
|
#endif
|