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FFmpeg/libavcodec/vdpauvideo.c
NVIDIA Corporation c5b42f4a80 Add VDPAU hardware accelerated decoding for WMV3 and VC1 which can 
be used by video players.

Original patch by NVIDIA corporation.

Originally committed as revision 16699 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-20 09:28:36 +00:00

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/*
* Video Decode and Presentation API for UNIX (VDPAU) is used for
* HW decode acceleration for MPEG-1/2, H.264 and VC-1.
*
* Copyright (c) 2008 NVIDIA
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <limits.h>
#include "avcodec.h"
#include "h264.h"
#include "vc1.h"
#undef NDEBUG
#include <assert.h>
#include "vdpau.h"
#include "vdpau_internal.h"
/**
* \addtogroup VDPAU_Decoding
*
* @{
*/
void ff_vdpau_h264_set_reference_frames(MpegEncContext *s)
{
H264Context *h = s->avctx->priv_data;
struct vdpau_render_state * render, * render_ref;
VdpReferenceFrameH264 * rf, * rf2;
Picture * pic;
int i, list, pic_frame_idx;
render = (struct vdpau_render_state*)s->current_picture_ptr->data[0];
assert(render);
rf = &render->info.h264.referenceFrames[0];
#define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
for (list = 0; list < 2; ++list) {
Picture **lp = list ? h->long_ref : h->short_ref;
int ls = list ? h->long_ref_count : h->short_ref_count;
for (i = 0; i < ls; ++i) {
pic = lp[i];
if (!pic || !pic->reference)
continue;
pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
render_ref = (struct vdpau_render_state*)pic->data[0];
assert(render_ref);
rf2 = &render->info.h264.referenceFrames[0];
while (rf2 != rf) {
if (
(rf2->surface == render_ref->surface)
&& (rf2->is_long_term == pic->long_ref)
&& (rf2->frame_idx == pic_frame_idx)
)
break;
++rf2;
}
if (rf2 != rf) {
rf2->top_is_reference |= (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
continue;
}
if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
continue;
rf->surface = render_ref->surface;
rf->is_long_term = pic->long_ref;
rf->top_is_reference = (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
rf->field_order_cnt[0] = pic->field_poc[0];
rf->field_order_cnt[1] = pic->field_poc[1];
rf->frame_idx = pic_frame_idx;
++rf;
}
}
for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
rf->surface = VDP_INVALID_HANDLE;
rf->is_long_term = 0;
rf->top_is_reference = 0;
rf->bottom_is_reference = 0;
rf->field_order_cnt[0] = 0;
rf->field_order_cnt[1] = 0;
rf->frame_idx = 0;
}
}
void ff_vdpau_add_data_chunk(MpegEncContext *s,
const uint8_t *buf, int buf_size)
{
struct vdpau_render_state * render;
render = (struct vdpau_render_state*)s->current_picture_ptr->data[0];
assert(render);
render->bitstream_buffers= av_fast_realloc(
render->bitstream_buffers,
&render->bitstream_buffers_allocated,
sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
);
render->bitstream_buffers[render->bitstream_buffers_used].struct_version = VDP_BITSTREAM_BUFFER_VERSION;
render->bitstream_buffers[render->bitstream_buffers_used].bitstream = buf;
render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
render->bitstream_buffers_used++;
}
void ff_vdpau_h264_picture_complete(MpegEncContext *s)
{
H264Context *h = s->avctx->priv_data;
struct vdpau_render_state * render;
render = (struct vdpau_render_state*)s->current_picture_ptr->data[0];
assert(render);
render->info.h264.slice_count = h->slice_num;
if (render->info.h264.slice_count < 1)
return;
for (int i = 0; i < 2; ++i) {
int foc = s->current_picture_ptr->field_poc[i];
if (foc == INT_MAX)
foc = 0;
render->info.h264.field_order_cnt[i] = foc;
}
render->info.h264.is_reference = s->current_picture_ptr->reference ? VDP_TRUE : VDP_FALSE;
render->info.h264.frame_num = h->frame_num;
render->info.h264.field_pic_flag = s->picture_structure != PICT_FRAME;
render->info.h264.bottom_field_flag = s->picture_structure == PICT_BOTTOM_FIELD;
render->info.h264.num_ref_frames = h->sps.ref_frame_count;
render->info.h264.mb_adaptive_frame_field_flag = h->sps.mb_aff;
render->info.h264.constrained_intra_pred_flag = h->pps.constrained_intra_pred;
render->info.h264.weighted_pred_flag = h->pps.weighted_pred;
render->info.h264.weighted_bipred_idc = h->pps.weighted_bipred_idc;
render->info.h264.frame_mbs_only_flag = h->sps.frame_mbs_only_flag;
render->info.h264.transform_8x8_mode_flag = h->pps.transform_8x8_mode;
render->info.h264.chroma_qp_index_offset = h->pps.chroma_qp_index_offset[0];
render->info.h264.second_chroma_qp_index_offset = h->pps.chroma_qp_index_offset[1];
render->info.h264.pic_init_qp_minus26 = h->pps.init_qp - 26;
render->info.h264.num_ref_idx_l0_active_minus1 = h->pps.ref_count[0] - 1;
render->info.h264.num_ref_idx_l1_active_minus1 = h->pps.ref_count[1] - 1;
render->info.h264.log2_max_frame_num_minus4 = h->sps.log2_max_frame_num - 4;
render->info.h264.pic_order_cnt_type = h->sps.poc_type;
render->info.h264.log2_max_pic_order_cnt_lsb_minus4 = h->sps.log2_max_poc_lsb - 4;
render->info.h264.delta_pic_order_always_zero_flag = h->sps.delta_pic_order_always_zero_flag;
render->info.h264.direct_8x8_inference_flag = h->sps.direct_8x8_inference_flag;
render->info.h264.entropy_coding_mode_flag = h->pps.cabac;
render->info.h264.pic_order_present_flag = h->pps.pic_order_present;
render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
render->info.h264.redundant_pic_cnt_present_flag = h->pps.redundant_pic_cnt_present;
memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
memcpy(render->info.h264.scaling_lists_8x8, h->pps.scaling_matrix8, sizeof(render->info.h264.scaling_lists_8x8));
ff_draw_horiz_band(s, 0, s->avctx->height);
render->bitstream_buffers_used = 0;
}
void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
int buf_size, int slice_count)
{
struct vdpau_render_state * render, * last, * next;
int i;
render = (struct vdpau_render_state*)s->current_picture_ptr->data[0];
assert(render);
/* fill VdpPictureInfoMPEG1Or2 struct */
render->info.mpeg.picture_structure = s->picture_structure;
render->info.mpeg.picture_coding_type = s->pict_type;
render->info.mpeg.intra_dc_precision = s->intra_dc_precision;
render->info.mpeg.frame_pred_frame_dct = s->frame_pred_frame_dct;
render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
render->info.mpeg.intra_vlc_format = s->intra_vlc_format;
render->info.mpeg.alternate_scan = s->alternate_scan;
render->info.mpeg.q_scale_type = s->q_scale_type;
render->info.mpeg.top_field_first = s->top_field_first;
render->info.mpeg.full_pel_forward_vector = s->full_pel[0]; // MPEG-1 only. Set 0 for MPEG-2
render->info.mpeg.full_pel_backward_vector = s->full_pel[1]; // MPEG-1 only. Set 0 for MPEG-2
render->info.mpeg.f_code[0][0] = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
render->info.mpeg.f_code[0][1] = s->mpeg_f_code[0][1];
render->info.mpeg.f_code[1][0] = s->mpeg_f_code[1][0];
render->info.mpeg.f_code[1][1] = s->mpeg_f_code[1][1];
for (i = 0; i < 64; ++i) {
render->info.mpeg.intra_quantizer_matrix[i] = s->intra_matrix[i];
render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
}
render->info.mpeg.forward_reference = VDP_INVALID_HANDLE;
render->info.mpeg.backward_reference = VDP_INVALID_HANDLE;
switch(s->pict_type){
case FF_B_TYPE:
next = (struct vdpau_render_state*)s->next_picture.data[0];
assert(next);
render->info.mpeg.backward_reference = next->surface;
// no return here, going to set forward prediction
case FF_P_TYPE:
last = (struct vdpau_render_state*)s->last_picture.data[0];
if (!last) // FIXME: Does this test make sense?
last = render; // predict second field from the first
render->info.mpeg.forward_reference = last->surface;
}
ff_vdpau_add_data_chunk(s, buf, buf_size);
render->info.mpeg.slice_count = slice_count;
if (slice_count)
ff_draw_horiz_band(s, 0, s->avctx->height);
render->bitstream_buffers_used = 0;
}
void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
int buf_size)
{
VC1Context *v = s->avctx->priv_data;
struct vdpau_render_state * render, * last, * next;
render = (struct vdpau_render_state*)s->current_picture.data[0];
assert(render);
/* fill LvPictureInfoVC1 struct */
render->info.vc1.frame_coding_mode = v->fcm;
render->info.vc1.postprocflag = v->postprocflag;
render->info.vc1.pulldown = v->broadcast;
render->info.vc1.interlace = v->interlace;
render->info.vc1.tfcntrflag = v->tfcntrflag;
render->info.vc1.finterpflag = v->finterpflag;
render->info.vc1.psf = v->psf;
render->info.vc1.dquant = v->dquant;
render->info.vc1.panscan_flag = v->panscanflag;
render->info.vc1.refdist_flag = v->refdist_flag;
render->info.vc1.quantizer = v->quantizer_mode;
render->info.vc1.extended_mv = v->extended_mv;
render->info.vc1.extended_dmv = v->extended_dmv;
render->info.vc1.overlap = v->overlap;
render->info.vc1.vstransform = v->vstransform;
render->info.vc1.loopfilter = v->s.loop_filter;
render->info.vc1.fastuvmc = v->fastuvmc;
render->info.vc1.range_mapy_flag = v->range_mapy_flag;
render->info.vc1.range_mapy = v->range_mapy;
render->info.vc1.range_mapuv_flag = v->range_mapuv_flag;
render->info.vc1.range_mapuv = v->range_mapuv;
/* Specific to simple/main profile only */
render->info.vc1.multires = v->multires;
render->info.vc1.syncmarker = v->s.resync_marker;
render->info.vc1.rangered = v->rangered;
render->info.vc1.maxbframes = v->s.max_b_frames;
render->info.vc1.deblockEnable = v->postprocflag & 1;
render->info.vc1.pquant = v->pq;
render->info.vc1.forward_reference = VDP_INVALID_HANDLE;
render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
if (v->bi_type)
render->info.vc1.picture_type = 4;
else
render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
switch(s->pict_type){
case FF_B_TYPE:
next = (struct vdpau_render_state*)s->next_picture.data[0];
assert(next);
render->info.vc1.backward_reference = next->surface;
// no break here, going to set forward prediction
case FF_P_TYPE:
last = (struct vdpau_render_state*)s->last_picture.data[0];
if (!last) // FIXME: Does this test make sense?
last = render; // predict second field from the first
render->info.vc1.forward_reference = last->surface;
}
ff_vdpau_add_data_chunk(s, buf, buf_size);
render->info.vc1.slice_count = 1;
ff_draw_horiz_band(s, 0, s->avctx->height);
render->bitstream_buffers_used = 0;
}
/* @}*/
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