/**
* Complete frame/field rendering by passing any remaining blocks.
* Normally ff_draw_horiz_band() is called for each slice, however,
* some leftover blocks, for example from error_resilience(), may remain.
* It should be safe to call the function a few times for the same field.
*/
void ff_xvmc_field_end(MpegEncContext *s)
{
struct xvmc_pix_fmt *render = (struct xvmc_pix_fmt*)s->current_picture.f.data[2];
assert(render);
if (render->filled_mv_blocks_num > 0)
ff_mpeg_draw_horiz_band(s, 0, 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;
if (!s->current_picture_ptr) return;
render = (struct vdpau_render_state *)s->current_picture_ptr->f.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 AV_PICTURE_TYPE_B:
next = (struct vdpau_render_state *)s->next_picture.f.data[0];
assert(next);
render->info.mpeg.backward_reference = next->surface;
// no return here, going to set forward prediction
case AV_PICTURE_TYPE_P:
last = (struct vdpau_render_state *)s->last_picture.f.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->current_picture_ptr->f.data[0], buf, buf_size);
render->info.mpeg.slice_count = slice_count;
if (slice_count)
ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
render->bitstream_buffers_used = 0;
}
/**
* Complete frame/field rendering by passing any remaining blocks.
* Normally ff_draw_horiz_band() is called for each slice, however,
* some leftover blocks, for example from error_resilience(), may remain.
* It should be safe to call the function a few times for the same field.
*/
static int ff_xvmc_field_end(AVCodecContext *avctx)
{
struct MpegEncContext *s = avctx->priv_data;
struct xvmc_pix_fmt *render = (struct xvmc_pix_fmt*)s->current_picture.f->data[2];
assert(render);
if (render->filled_mv_blocks_num > 0)
ff_mpeg_draw_horiz_band(s, 0, 0);
return 0;
}
void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
int buf_size)
{
MpegEncContext *s = &ctx->m;
struct vdpau_render_state *render, *last, *next;
int i;
if (!s->current_picture_ptr) return;
render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
assert(render);
/* fill VdpPictureInfoMPEG4Part2 struct */
render->info.mpeg4.trd[0] = s->pp_time;
render->info.mpeg4.trb[0] = s->pb_time;
render->info.mpeg4.trd[1] = s->pp_field_time >> 1;
render->info.mpeg4.trb[1] = s->pb_field_time >> 1;
render->info.mpeg4.vop_time_increment_resolution = s->avctx->time_base.den;
render->info.mpeg4.vop_coding_type = 0;
render->info.mpeg4.vop_fcode_forward = s->f_code;
render->info.mpeg4.vop_fcode_backward = s->b_code;
render->info.mpeg4.resync_marker_disable = !ctx->resync_marker;
render->info.mpeg4.interlaced = !s->progressive_sequence;
render->info.mpeg4.quant_type = s->mpeg_quant;
render->info.mpeg4.quarter_sample = s->quarter_sample;
render->info.mpeg4.short_video_header = s->avctx->codec->id == AV_CODEC_ID_H263;
render->info.mpeg4.rounding_control = s->no_rounding;
render->info.mpeg4.alternate_vertical_scan_flag = s->alternate_scan;
render->info.mpeg4.top_field_first = s->top_field_first;
for (i = 0; i < 64; ++i) {
render->info.mpeg4.intra_quantizer_matrix[i] = s->intra_matrix[i];
render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
}
render->info.mpeg4.forward_reference = VDP_INVALID_HANDLE;
render->info.mpeg4.backward_reference = VDP_INVALID_HANDLE;
switch (s->pict_type) {
case AV_PICTURE_TYPE_B:
next = (struct vdpau_render_state *)s->next_picture.f->data[0];
assert(next);
render->info.mpeg4.backward_reference = next->surface;
render->info.mpeg4.vop_coding_type = 2;
// no break here, going to set forward prediction
case AV_PICTURE_TYPE_P:
last = (struct vdpau_render_state *)s->last_picture.f->data[0];
assert(last);
render->info.mpeg4.forward_reference = last->surface;
}
ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
render->bitstream_buffers_used = 0;
}
int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
{
MpegEncContext *s = avctx->priv_data;
Picture *pic = s->current_picture_ptr;
struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
int val;
val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
if (val < 0)
return val;
ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
return 0;
}
int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
{
AVVDPAUContext *hwctx = avctx->hwaccel_context;
MpegEncContext *s = avctx->priv_data;
VdpVideoSurface surf = ff_vdpau_get_surface_id(s->current_picture_ptr);
hwctx->render(hwctx->decoder, surf, (void *)&hwctx->info,
hwctx->bitstream_buffers_used, hwctx->bitstream_buffers);
ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
hwctx->bitstream_buffers_used = 0;
return 0;
}
int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
{
AVVDPAUContext *hwctx = avctx->hwaccel_context;
MpegEncContext *s = avctx->priv_data;
Picture *pic = s->current_picture_ptr;
struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
VdpVideoSurface surf = ff_vdpau_get_surface_id(pic);
hwctx->render(hwctx->decoder, surf, (void *)&pic_ctx->info,
pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
av_freep(&pic_ctx->bitstream_buffers);
return 0;
}
int ff_vaapi_mpeg_end_frame(AVCodecContext *avctx)
{
struct vaapi_context * const vactx = avctx->hwaccel_context;
MpegEncContext *s = avctx->priv_data;
int ret;
ret = ff_vaapi_commit_slices(vactx);
if (ret < 0)
goto finish;
ret = ff_vaapi_render_picture(vactx,
ff_vaapi_get_surface_id(s->current_picture_ptr));
if (ret < 0)
goto finish;
ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
finish:
ff_vaapi_common_end_frame(avctx);
return ret;
}
int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
{
int res = 0;
AVVDPAUContext *hwctx = avctx->hwaccel_context;
MpegEncContext *s = avctx->priv_data;
Picture *pic = s->current_picture_ptr;
struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
VdpVideoSurface surf = ff_vdpau_get_surface_id(pic);
#if FF_API_BUFS_VDPAU
FF_DISABLE_DEPRECATION_WARNINGS
hwctx->info = pic_ctx->info;
hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (!hwctx->render) {
res = hwctx->render2(avctx, &pic->f, (void *)&pic_ctx->info,
pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
} else
hwctx->render(hwctx->decoder, surf, (void *)&pic_ctx->info,
pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
av_freep(&pic_ctx->bitstream_buffers);
#if FF_API_BUFS_VDPAU
FF_DISABLE_DEPRECATION_WARNINGS
hwctx->bitstream_buffers = NULL;
hwctx->bitstream_buffers_used = 0;
hwctx->bitstream_buffers_allocated = 0;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
return res;
}
static int decode_slice(MpegEncContext *s)
{
const int part_mask = s->partitioned_frame
? (ER_AC_END | ER_AC_ERROR) : 0x7F;
const int mb_size = 16 >> s->avctx->lowres;
int ret;
s->last_resync_gb = s->gb;
s->first_slice_line = 1;
s->resync_mb_x = s->mb_x;
s->resync_mb_y = s->mb_y;
ff_set_qscale(s, s->qscale);
if (s->avctx->hwaccel) {
const uint8_t *start = s->gb.buffer + get_bits_count(&s->gb) / 8;
ret = s->avctx->hwaccel->decode_slice(s->avctx, start, s->gb.buffer_end - start);
// ensure we exit decode loop
s->mb_y = s->mb_height;
return ret;
}
if (s->partitioned_frame) {
const int qscale = s->qscale;
if (CONFIG_MPEG4_DECODER && s->codec_id == AV_CODEC_ID_MPEG4)
if ((ret = ff_mpeg4_decode_partitions(s->avctx->priv_data)) < 0)
return ret;
/* restore variables which were modified */
s->first_slice_line = 1;
s->mb_x = s->resync_mb_x;
s->mb_y = s->resync_mb_y;
ff_set_qscale(s, qscale);
}
for (; s->mb_y < s->mb_height; s->mb_y++) {
/* per-row end of slice checks */
if (s->msmpeg4_version) {
if (s->resync_mb_y + s->slice_height == s->mb_y) {
ff_er_add_slice(&s->er, s->resync_mb_x, s->resync_mb_y,
s->mb_x - 1, s->mb_y, ER_MB_END);
return 0;
}
}
if (s->msmpeg4_version == 1) {
s->last_dc[0] =
s->last_dc[1] =
s->last_dc[2] = 128;
}
ff_init_block_index(s);
for (; s->mb_x < s->mb_width; s->mb_x++) {
int ret;
ff_update_block_index(s);
if (s->resync_mb_x == s->mb_x && s->resync_mb_y + 1 == s->mb_y)
s->first_slice_line = 0;
/* DCT & quantize */
s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16;
av_dlog(s, "%d %d %06X\n",
ret, get_bits_count(&s->gb), show_bits(&s->gb, 24));
tprintf(NULL, "Decoding MB at %dx%d\n", s->mb_x, s->mb_y);
ret = s->decode_mb(s, s->block);
if (s->pict_type != AV_PICTURE_TYPE_B)
ff_h263_update_motion_val(s);
if (ret < 0) {
const int xy = s->mb_x + s->mb_y * s->mb_stride;
if (ret == SLICE_END) {
ff_mpv_decode_mb(s, s->block);
if (s->loop_filter)
ff_h263_loop_filter(s);
ff_er_add_slice(&s->er, s->resync_mb_x, s->resync_mb_y,
s->mb_x, s->mb_y, ER_MB_END & part_mask);
s->padding_bug_score--;
if (++s->mb_x >= s->mb_width) {
s->mb_x = 0;
ff_mpeg_draw_horiz_band(s, s->mb_y * mb_size, mb_size);
ff_mpv_report_decode_progress(s);
s->mb_y++;
}
return 0;
} else if (ret == SLICE_NOEND) {
av_log(s->avctx, AV_LOG_ERROR,
"Slice mismatch at MB: %d\n", xy);
ff_er_add_slice(&s->er, s->resync_mb_x, s->resync_mb_y,
s->mb_x + 1, s->mb_y,
ER_MB_END & part_mask);
return AVERROR_INVALIDDATA;
}
av_log(s->avctx, AV_LOG_ERROR, "Error at MB: %d\n", xy);
ff_er_add_slice(&s->er, s->resync_mb_x, s->resync_mb_y,
s->mb_x, s->mb_y, ER_MB_ERROR & part_mask);
if (s->err_recognition & AV_EF_IGNORE_ERR)
continue;
return AVERROR_INVALIDDATA;
}
ff_mpv_decode_mb(s, s->block);
if (s->loop_filter)
ff_h263_loop_filter(s);
}
ff_mpeg_draw_horiz_band(s, s->mb_y * mb_size, mb_size);
ff_mpv_report_decode_progress(s);
s->mb_x = 0;
}
av_assert1(s->mb_x == 0 && s->mb_y == s->mb_height);
if (s->codec_id == AV_CODEC_ID_MPEG4 &&
(s->workaround_bugs & FF_BUG_AUTODETECT) &&
get_bits_left(&s->gb) >= 48 &&
show_bits(&s->gb, 24) == 0x4010 &&
!s->data_partitioning)
s->padding_bug_score += 32;
/* try to detect the padding bug */
if (s->codec_id == AV_CODEC_ID_MPEG4 &&
(s->workaround_bugs & FF_BUG_AUTODETECT) &&
get_bits_left(&s->gb) >= 0 &&
get_bits_left(&s->gb) < 137 &&
!s->data_partitioning) {
const int bits_count = get_bits_count(&s->gb);
const int bits_left = s->gb.size_in_bits - bits_count;
if (bits_left == 0) {
s->padding_bug_score += 16;
} else if (bits_left != 1) {
int v = show_bits(&s->gb, 8);
v |= 0x7F >> (7 - (bits_count & 7));
if (v == 0x7F && bits_left <= 8)
s->padding_bug_score--;
else if (v == 0x7F && ((get_bits_count(&s->gb) + 8) & 8) &&
bits_left <= 16)
s->padding_bug_score += 4;
else
s->padding_bug_score++;
}
}
/**
* Synthesize the data needed by XvMC to render one macroblock of data.
* Fill all relevant fields, if necessary do IDCT.
*/
void ff_xvmc_decode_mb(MpegEncContext *s)
{
XvMCMacroBlock *mv_block;
struct xvmc_pix_fmt *render;
int i, cbp, blocks_per_mb;
const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
if (s->encoding) {
av_log(s->avctx, AV_LOG_ERROR, "XVMC doesn't support encoding!!!\n");
return;
}
// from MPV_decode_mb(), update DC predictors for P macroblocks
if (!s->mb_intra) {
s->last_dc[0] =
s->last_dc[1] =
s->last_dc[2] = 128 << s->intra_dc_precision;
}
// MC doesn't skip blocks
s->mb_skipped = 0;
// Do I need to export quant when I could not perform postprocessing?
// Anyway, it doesn't hurt.
s->current_picture.qscale_table[mb_xy] = s->qscale;
// start of XVMC-specific code
render = (struct xvmc_pix_fmt*)s->current_picture.f.data[2];
assert(render);
assert(render->xvmc_id == AV_XVMC_ID);
assert(render->mv_blocks);
// take the next free macroblock
mv_block = &render->mv_blocks[render->start_mv_blocks_num +
render->filled_mv_blocks_num];
mv_block->x = s->mb_x;
mv_block->y = s->mb_y;
mv_block->dct_type = s->interlaced_dct; // XVMC_DCT_TYPE_FRAME/FIELD;
if (s->mb_intra) {
mv_block->macroblock_type = XVMC_MB_TYPE_INTRA; // no MC, all done
} else {
mv_block->macroblock_type = XVMC_MB_TYPE_PATTERN;
if (s->mv_dir & MV_DIR_FORWARD) {
mv_block->macroblock_type |= XVMC_MB_TYPE_MOTION_FORWARD;
// PMV[n][dir][xy] = mv[dir][n][xy]
mv_block->PMV[0][0][0] = s->mv[0][0][0];
mv_block->PMV[0][0][1] = s->mv[0][0][1];
mv_block->PMV[1][0][0] = s->mv[0][1][0];
mv_block->PMV[1][0][1] = s->mv[0][1][1];
}
if (s->mv_dir & MV_DIR_BACKWARD) {
mv_block->macroblock_type |= XVMC_MB_TYPE_MOTION_BACKWARD;
mv_block->PMV[0][1][0] = s->mv[1][0][0];
mv_block->PMV[0][1][1] = s->mv[1][0][1];
mv_block->PMV[1][1][0] = s->mv[1][1][0];
mv_block->PMV[1][1][1] = s->mv[1][1][1];
}
switch(s->mv_type) {
case MV_TYPE_16X16:
mv_block->motion_type = XVMC_PREDICTION_FRAME;
break;
case MV_TYPE_16X8:
mv_block->motion_type = XVMC_PREDICTION_16x8;
break;
case MV_TYPE_FIELD:
mv_block->motion_type = XVMC_PREDICTION_FIELD;
if (s->picture_structure == PICT_FRAME) {
mv_block->PMV[0][0][1] <<= 1;
mv_block->PMV[1][0][1] <<= 1;
mv_block->PMV[0][1][1] <<= 1;
mv_block->PMV[1][1][1] <<= 1;
}
break;
case MV_TYPE_DMV:
mv_block->motion_type = XVMC_PREDICTION_DUAL_PRIME;
if (s->picture_structure == PICT_FRAME) {
mv_block->PMV[0][0][0] = s->mv[0][0][0]; // top from top
mv_block->PMV[0][0][1] = s->mv[0][0][1] << 1;
mv_block->PMV[0][1][0] = s->mv[0][0][0]; // bottom from bottom
mv_block->PMV[0][1][1] = s->mv[0][0][1] << 1;
mv_block->PMV[1][0][0] = s->mv[0][2][0]; // dmv00, top from bottom
mv_block->PMV[1][0][1] = s->mv[0][2][1] << 1; // dmv01
mv_block->PMV[1][1][0] = s->mv[0][3][0]; // dmv10, bottom from top
mv_block->PMV[1][1][1] = s->mv[0][3][1] << 1; // dmv11
} else {
mv_block->PMV[0][1][0] = s->mv[0][2][0]; // dmv00
mv_block->PMV[0][1][1] = s->mv[0][2][1]; // dmv01
}
break;
default:
assert(0);
}
mv_block->motion_vertical_field_select = 0;
// set correct field references
if (s->mv_type == MV_TYPE_FIELD || s->mv_type == MV_TYPE_16X8) {
mv_block->motion_vertical_field_select |= s->field_select[0][0];
mv_block->motion_vertical_field_select |= s->field_select[1][0] << 1;
mv_block->motion_vertical_field_select |= s->field_select[0][1] << 2;
mv_block->motion_vertical_field_select |= s->field_select[1][1] << 3;
}
} // !intra
// time to handle data blocks
mv_block->index = render->next_free_data_block_num;
blocks_per_mb = 6;
if (s->chroma_format >= 2) {
blocks_per_mb = 4 + (1 << s->chroma_format);
}
// calculate cbp
cbp = 0;
for (i = 0; i < blocks_per_mb; i++) {
cbp += cbp;
if (s->block_last_index[i] >= 0)
cbp++;
}
if (s->flags & CODEC_FLAG_GRAY) {
if (s->mb_intra) { // intra frames are always full chroma blocks
for (i = 4; i < blocks_per_mb; i++) {
memset(s->pblocks[i], 0, sizeof(*s->pblocks[i])); // so we need to clear them
if (!render->unsigned_intra)
*s->pblocks[i][0] = 1 << 10;
}
} else {
cbp &= 0xf << (blocks_per_mb - 4);
blocks_per_mb = 4; // luminance blocks only
}
}
mv_block->coded_block_pattern = cbp;
if (cbp == 0)
mv_block->macroblock_type &= ~XVMC_MB_TYPE_PATTERN;
for (i = 0; i < blocks_per_mb; i++) {
if (s->block_last_index[i] >= 0) {
// I do not have unsigned_intra MOCO to test, hope it is OK.
if (s->mb_intra && (render->idct || !render->unsigned_intra))
*s->pblocks[i][0] -= 1 << 10;
if (!render->idct) {
s->dsp.idct(*s->pblocks[i]);
/* It is unclear if MC hardware requires pixel diff values to be
* in the range [-255;255]. TODO: Clipping if such hardware is
* ever found. As of now it would only be an unnecessary
* slowdown. */
}
// copy blocks only if the codec doesn't support pblocks reordering
if (s->avctx->xvmc_acceleration == 1) {
memcpy(&render->data_blocks[render->next_free_data_block_num*64],
s->pblocks[i], sizeof(*s->pblocks[i]));
}
render->next_free_data_block_num++;
}
}
render->filled_mv_blocks_num++;
assert(render->filled_mv_blocks_num <= render->allocated_mv_blocks);
assert(render->next_free_data_block_num <= render->allocated_data_blocks);
/* The above conditions should not be able to fail as long as this function
* is used and the following 'if ()' automatically calls a callback to free
* blocks. */
if (render->filled_mv_blocks_num == render->allocated_mv_blocks)
ff_mpeg_draw_horiz_band(s, 0, 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.f.data[0];
assert(render);
/* fill LvPictureInfoVC1 struct */
render->info.vc1.frame_coding_mode = v->fcm ? v->fcm + 1 : 0;
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 | (v->rangeredfrm << 1);
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 AV_PICTURE_TYPE_B:
next = (struct vdpau_render_state *)s->next_picture.f.data[0];
assert(next);
render->info.vc1.backward_reference = next->surface;
// no break here, going to set forward prediction
case AV_PICTURE_TYPE_P:
last = (struct vdpau_render_state *)s->last_picture.f.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->current_picture_ptr->f.data[0], buf, buf_size);
render->info.vc1.slice_count = 1;
ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
render->bitstream_buffers_used = 0;
}
