falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66650 Commits
32 Branches
359MB
Tree: ec6a855b3a
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'ec6a855b3a'
${ noResults }
FFmpeg/libavcodec/vdpau.c

614 lines
24KB
Raw Blame History 

  1. /*

  2.  * Video Decode and Presentation API for UNIX (VDPAU) is used for

  3.  * HW decode acceleration for MPEG-1/2, MPEG-4 ASP, H.264 and VC-1.

  4.  *

  5.  * Copyright (c) 2008 NVIDIA

  6.  *

  7.  * This file is part of FFmpeg.

  8.  *

  9.  * FFmpeg is free software; you can redistribute it and/or

  10.  * modify it under the terms of the GNU Lesser General Public

  11.  * License as published by the Free Software Foundation; either

  12.  * version 2.1 of the License, or (at your option) any later version.

  13.  *

  14.  * FFmpeg is distributed in the hope that it will be useful,

  15.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  16.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  17.  * Lesser General Public License for more details.

  18.  *

  19.  * You should have received a copy of the GNU Lesser General Public

  20.  * License along with FFmpeg; if not, write to the Free Software

  21.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  22.  */

  23. 

  24. #include <limits.h>

  25. #include "libavutil/avassert.h"

  26. #include "avcodec.h"

  27. #include "internal.h"

  28. #include "h264.h"

  29. #include "vc1.h"

  30. 

  31. #undef NDEBUG

  32. #include <assert.h>

  33. 

  34. #include "vdpau.h"

  35. #include "vdpau_internal.h"

  36. 

  37. /**

  38.  * @addtogroup VDPAU_Decoding

  39.  *

  40.  * @{

  41.  */

  42. 

  43. static int vdpau_error(VdpStatus status)

  44. {

  45.     switch (status) {

  46.     case VDP_STATUS_OK:

  47.         return 0;

  48.     case VDP_STATUS_NO_IMPLEMENTATION:

  49.         return AVERROR(ENOSYS);

  50.     case VDP_STATUS_DISPLAY_PREEMPTED:

  51.         return AVERROR(EIO);

  52.     case VDP_STATUS_INVALID_HANDLE:

  53.         return AVERROR(EBADF);

  54.     case VDP_STATUS_INVALID_POINTER:

  55.         return AVERROR(EFAULT);

  56.     case VDP_STATUS_RESOURCES:

  57.         return AVERROR(ENOBUFS);

  58.     case VDP_STATUS_HANDLE_DEVICE_MISMATCH:

  59.         return AVERROR(EXDEV);

  60.     case VDP_STATUS_ERROR:

  61.         return AVERROR(EIO);

  62.     default:

  63.         return AVERROR(EINVAL);

  64.     }

  65. }

  66. 

  67. AVVDPAUContext *av_alloc_vdpaucontext(void)

  68. {

  69.     return av_vdpau_alloc_context();

  70. }

  71. 

  72. MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2)

  73. 

  74. int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,

  75.                          int level)

  76. {

  77.     VDPAUHWContext *hwctx = avctx->hwaccel_context;

  78.     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;

  79.     VdpDecoderCreate *create;

  80.     void *func;

  81.     VdpStatus status;

  82.     /* See vdpau/vdpau.h for alignment constraints. */

  83.     uint32_t width  = (avctx->coded_width + 1) & ~1;

  84.     uint32_t height = (avctx->coded_height + 3) & ~3;

  85. 

  86.     if (!hwctx) {

  87.         vdctx->device  = VDP_INVALID_HANDLE;

  88.         av_log(avctx, AV_LOG_WARNING, "hwaccel_context has not been setup by the user application, cannot initialize\n");

  89.         return 0;

  90.     }

  91. 

  92.     if (hwctx->context.decoder != VDP_INVALID_HANDLE) {

  93.         vdctx->decoder = hwctx->context.decoder;

  94.         vdctx->render  = hwctx->context.render;

  95.         vdctx->device  = VDP_INVALID_HANDLE;

  96.         return 0; /* Decoder created by user */

  97.     }

  98. 

  99.     vdctx->device           = hwctx->device;

  100.     vdctx->get_proc_address = hwctx->get_proc_address;

  101. 

  102.     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,

  103.                                      &func);

  104.     if (status != VDP_STATUS_OK)

  105.         return vdpau_error(status);

  106.     else

  107.         create = func;

  108. 

  109.     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,

  110.                                      &func);

  111.     if (status != VDP_STATUS_OK)

  112.         return vdpau_error(status);

  113.     else

  114.         vdctx->render = func;

  115. 

  116.     status = create(vdctx->device, profile, width, height, avctx->refs,

  117.                     &vdctx->decoder);

  118.     return vdpau_error(status);

  119. }

  120. 

  121. int ff_vdpau_common_uninit(AVCodecContext *avctx)

  122. {

  123.     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;

  124.     VdpDecoderDestroy *destroy;

  125.     void *func;

  126.     VdpStatus status;

  127. 

  128.     if (vdctx->device == VDP_INVALID_HANDLE)

  129.         return 0; /* Decoder created and destroyed by user */

  130. 

  131.     status = vdctx->get_proc_address(vdctx->device,

  132.                                      VDP_FUNC_ID_DECODER_DESTROY, &func);

  133.     if (status != VDP_STATUS_OK)

  134.         return vdpau_error(status);

  135.     else

  136.         destroy = func;

  137. 

  138.     status = destroy(vdctx->decoder);

  139.     return vdpau_error(status);

  140. }

  141. 

  142. int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,

  143.                                 av_unused const uint8_t *buffer,

  144.                                 av_unused uint32_t size)

  145. {

  146.     pic_ctx->bitstream_buffers_allocated = 0;

  147.     pic_ctx->bitstream_buffers_used      = 0;

  148.     pic_ctx->bitstream_buffers           = NULL;

  149.     return 0;

  150. }

  151. 

  152. int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,

  153.                               struct vdpau_picture_context *pic_ctx)

  154. {

  155.     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;

  156.     AVVDPAUContext *hwctx = avctx->hwaccel_context;

  157.     VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);

  158.     VdpStatus status;

  159. 

  160. #if FF_API_BUFS_VDPAU

  161. FF_DISABLE_DEPRECATION_WARNINGS

  162.     hwctx->info = pic_ctx->info;

  163.     hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;

  164.     hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;

  165.     hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;

  166. FF_ENABLE_DEPRECATION_WARNINGS

  167. #endif

  168. 

  169.     if (!hwctx->render) {

  170.         status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,

  171.                                 pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);

  172.     } else

  173.     status = vdctx->render(vdctx->decoder, surf, (void *)&pic_ctx->info,

  174.                            pic_ctx->bitstream_buffers_used,

  175.                            pic_ctx->bitstream_buffers);

  176. 

  177.     av_freep(&pic_ctx->bitstream_buffers);

  178. 

  179. #if FF_API_BUFS_VDPAU

  180. FF_DISABLE_DEPRECATION_WARNINGS

  181.     hwctx->bitstream_buffers = NULL;

  182.     hwctx->bitstream_buffers_used = 0;

  183.     hwctx->bitstream_buffers_allocated = 0;

  184. FF_ENABLE_DEPRECATION_WARNINGS

  185. #endif

  186. 

  187.     return vdpau_error(status);

  188. }

  189. 

  190. #if CONFIG_H263_VDPAU_HWACCEL  || CONFIG_MPEG1_VDPAU_HWACCEL || \

  191.     CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \

  192.     CONFIG_VC1_VDPAU_HWACCEL   || CONFIG_WMV3_VDPAU_HWACCEL

  193. int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)

  194. {

  195.     MpegEncContext *s = avctx->priv_data;

  196.     Picture *pic = s->current_picture_ptr;

  197.     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;

  198.     int val;

  199. 

  200.     val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);

  201.     if (val < 0)

  202.         return val;

  203. 

  204.     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);

  205.     return 0;

  206. }

  207. #endif

  208. 

  209. int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,

  210.                         const uint8_t *buf, uint32_t size)

  211. {

  212.     VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;

  213. 

  214.     buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,

  215.                               (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));

  216.     if (!buffers)

  217.         return AVERROR(ENOMEM);

  218. 

  219.     pic_ctx->bitstream_buffers = buffers;

  220.     buffers += pic_ctx->bitstream_buffers_used++;

  221. 

  222.     buffers->struct_version  = VDP_BITSTREAM_BUFFER_VERSION;

  223.     buffers->bitstream       = buf;

  224.     buffers->bitstream_bytes = size;

  225.     return 0;

  226. }

  227. 

  228. /* Obsolete non-hwaccel VDPAU support below... */

  229. 

  230. void ff_vdpau_h264_set_reference_frames(H264Context *h)

  231. {

  232.     struct vdpau_render_state *render, *render_ref;

  233.     VdpReferenceFrameH264 *rf, *rf2;

  234.     H264Picture *pic;

  235.     int i, list, pic_frame_idx;

  236. 

  237.     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];

  238.     assert(render);

  239. 

  240.     rf = &render->info.h264.referenceFrames[0];

  241. #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)

  242. 

  243.     for (list = 0; list < 2; ++list) {

  244.         H264Picture **lp = list ? h->long_ref : h->short_ref;

  245.         int ls = list ? 16 : h->short_ref_count;

  246. 

  247.         for (i = 0; i < ls; ++i) {

  248.             pic = lp[i];

  249.             if (!pic || !pic->reference)

  250.                 continue;

  251.             pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;

  252. 

  253.             render_ref = (struct vdpau_render_state *)pic->f.data[0];

  254.             assert(render_ref);

  255. 

  256.             rf2 = &render->info.h264.referenceFrames[0];

  257.             while (rf2 != rf) {

  258.                 if (

  259.                     (rf2->surface == render_ref->surface)

  260.                     && (rf2->is_long_term == pic->long_ref)

  261.                     && (rf2->frame_idx == pic_frame_idx)

  262.                 )

  263.                     break;

  264.                 ++rf2;

  265.             }

  266.             if (rf2 != rf) {

  267.                 rf2->top_is_reference    |= (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;

  268.                 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;

  269.                 continue;

  270.             }

  271. 

  272.             if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])

  273.                 continue;

  274. 

  275.             rf->surface             = render_ref->surface;

  276.             rf->is_long_term        = pic->long_ref;

  277.             rf->top_is_reference    = (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;

  278.             rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;

  279.             rf->field_order_cnt[0]  = pic->field_poc[0];

  280.             rf->field_order_cnt[1]  = pic->field_poc[1];

  281.             rf->frame_idx           = pic_frame_idx;

  282. 

  283.             ++rf;

  284.         }

  285.     }

  286. 

  287.     for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {

  288.         rf->surface             = VDP_INVALID_HANDLE;

  289.         rf->is_long_term        = 0;

  290.         rf->top_is_reference    = 0;

  291.         rf->bottom_is_reference = 0;

  292.         rf->field_order_cnt[0]  = 0;

  293.         rf->field_order_cnt[1]  = 0;

  294.         rf->frame_idx           = 0;

  295.     }

  296. }

  297. 

  298. void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)

  299. {

  300.     struct vdpau_render_state *render = (struct vdpau_render_state*)data;

  301.     assert(render);

  302. 

  303.     render->bitstream_buffers= av_fast_realloc(

  304.         render->bitstream_buffers,

  305.         &render->bitstream_buffers_allocated,

  306.         sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)

  307.     );

  308. 

  309.     render->bitstream_buffers[render->bitstream_buffers_used].struct_version  = VDP_BITSTREAM_BUFFER_VERSION;

  310.     render->bitstream_buffers[render->bitstream_buffers_used].bitstream       = buf;

  311.     render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;

  312.     render->bitstream_buffers_used++;

  313. }

  314. 

  315. #if CONFIG_H264_VDPAU_DECODER

  316. void ff_vdpau_h264_picture_start(H264Context *h)

  317. {

  318.     struct vdpau_render_state *render;

  319.     int i;

  320. 

  321.     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];

  322.     assert(render);

  323. 

  324.     for (i = 0; i < 2; ++i) {

  325.         int foc = h->cur_pic_ptr->field_poc[i];

  326.         if (foc == INT_MAX)

  327.             foc = 0;

  328.         render->info.h264.field_order_cnt[i] = foc;

  329.     }

  330. 

  331.     render->info.h264.frame_num = h->frame_num;

  332. }

  333. 

  334. void ff_vdpau_h264_picture_complete(H264Context *h)

  335. {

  336.     struct vdpau_render_state *render;

  337. 

  338.     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];

  339.     assert(render);

  340. 

  341.     render->info.h264.slice_count = h->slice_num;

  342.     if (render->info.h264.slice_count < 1)

  343.         return;

  344. 

  345.     render->info.h264.is_reference                           = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;

  346.     render->info.h264.field_pic_flag                         = h->picture_structure != PICT_FRAME;

  347.     render->info.h264.bottom_field_flag                      = h->picture_structure == PICT_BOTTOM_FIELD;

  348.     render->info.h264.num_ref_frames                         = h->sps.ref_frame_count;

  349.     render->info.h264.mb_adaptive_frame_field_flag           = h->sps.mb_aff && !render->info.h264.field_pic_flag;

  350.     render->info.h264.constrained_intra_pred_flag            = h->pps.constrained_intra_pred;

  351.     render->info.h264.weighted_pred_flag                     = h->pps.weighted_pred;

  352.     render->info.h264.weighted_bipred_idc                    = h->pps.weighted_bipred_idc;

  353.     render->info.h264.frame_mbs_only_flag                    = h->sps.frame_mbs_only_flag;

  354.     render->info.h264.transform_8x8_mode_flag                = h->pps.transform_8x8_mode;

  355.     render->info.h264.chroma_qp_index_offset                 = h->pps.chroma_qp_index_offset[0];

  356.     render->info.h264.second_chroma_qp_index_offset          = h->pps.chroma_qp_index_offset[1];

  357.     render->info.h264.pic_init_qp_minus26                    = h->pps.init_qp - 26;

  358.     render->info.h264.num_ref_idx_l0_active_minus1           = h->pps.ref_count[0] - 1;

  359.     render->info.h264.num_ref_idx_l1_active_minus1           = h->pps.ref_count[1] - 1;

  360.     render->info.h264.log2_max_frame_num_minus4              = h->sps.log2_max_frame_num - 4;

  361.     render->info.h264.pic_order_cnt_type                     = h->sps.poc_type;

  362.     render->info.h264.log2_max_pic_order_cnt_lsb_minus4      = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;

  363.     render->info.h264.delta_pic_order_always_zero_flag       = h->sps.delta_pic_order_always_zero_flag;

  364.     render->info.h264.direct_8x8_inference_flag              = h->sps.direct_8x8_inference_flag;

  365.     render->info.h264.entropy_coding_mode_flag               = h->pps.cabac;

  366.     render->info.h264.pic_order_present_flag                 = h->pps.pic_order_present;

  367.     render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;

  368.     render->info.h264.redundant_pic_cnt_present_flag         = h->pps.redundant_pic_cnt_present;

  369.     memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));

  370.     memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));

  371.     memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));

  372. 

  373.     ff_h264_draw_horiz_band(h, 0, h->avctx->height);

  374.     render->bitstream_buffers_used = 0;

  375. }

  376. #endif /* CONFIG_H264_VDPAU_DECODER */

  377. 

  378. #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER

  379. void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,

  380.                                     int buf_size, int slice_count)

  381. {

  382.     struct vdpau_render_state *render, *last, *next;

  383.     int i;

  384. 

  385.     if (!s->current_picture_ptr) return;

  386. 

  387.     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];

  388.     assert(render);

  389. 

  390.     /* fill VdpPictureInfoMPEG1Or2 struct */

  391.     render->info.mpeg.picture_structure          = s->picture_structure;

  392.     render->info.mpeg.picture_coding_type        = s->pict_type;

  393.     render->info.mpeg.intra_dc_precision         = s->intra_dc_precision;

  394.     render->info.mpeg.frame_pred_frame_dct       = s->frame_pred_frame_dct;

  395.     render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;

  396.     render->info.mpeg.intra_vlc_format           = s->intra_vlc_format;

  397.     render->info.mpeg.alternate_scan             = s->alternate_scan;

  398.     render->info.mpeg.q_scale_type               = s->q_scale_type;

  399.     render->info.mpeg.top_field_first            = s->top_field_first;

  400.     render->info.mpeg.full_pel_forward_vector    = s->full_pel[0]; // MPEG-1 only.  Set 0 for MPEG-2

  401.     render->info.mpeg.full_pel_backward_vector   = s->full_pel[1]; // MPEG-1 only.  Set 0 for MPEG-2

  402.     render->info.mpeg.f_code[0][0]               = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.

  403.     render->info.mpeg.f_code[0][1]               = s->mpeg_f_code[0][1];

  404.     render->info.mpeg.f_code[1][0]               = s->mpeg_f_code[1][0];

  405.     render->info.mpeg.f_code[1][1]               = s->mpeg_f_code[1][1];

  406.     for (i = 0; i < 64; ++i) {

  407.         render->info.mpeg.intra_quantizer_matrix[i]     = s->intra_matrix[i];

  408.         render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];

  409.     }

  410. 

  411.     render->info.mpeg.forward_reference          = VDP_INVALID_HANDLE;

  412.     render->info.mpeg.backward_reference         = VDP_INVALID_HANDLE;

  413. 

  414.     switch(s->pict_type){

  415.     case  AV_PICTURE_TYPE_B:

  416.         next = (struct vdpau_render_state *)s->next_picture.f->data[0];

  417.         assert(next);

  418.         render->info.mpeg.backward_reference     = next->surface;

  419.         // no return here, going to set forward prediction

  420.     case  AV_PICTURE_TYPE_P:

  421.         last = (struct vdpau_render_state *)s->last_picture.f->data[0];

  422.         if (!last) // FIXME: Does this test make sense?

  423.             last = render; // predict second field from the first

  424.         render->info.mpeg.forward_reference      = last->surface;

  425.     }

  426. 

  427.     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);

  428. 

  429.     render->info.mpeg.slice_count                = slice_count;

  430. 

  431.     if (slice_count)

  432.         ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);

  433.     render->bitstream_buffers_used               = 0;

  434. }

  435. #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */

  436. 

  437. #if CONFIG_VC1_VDPAU_DECODER

  438. void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,

  439.                                  int buf_size)

  440. {

  441.     VC1Context *v = s->avctx->priv_data;

  442.     struct vdpau_render_state *render, *last, *next;

  443. 

  444.     render = (struct vdpau_render_state *)s->current_picture.f->data[0];

  445.     assert(render);

  446. 

  447.     /*  fill LvPictureInfoVC1 struct */

  448.     render->info.vc1.frame_coding_mode  = v->fcm ? v->fcm + 1 : 0;

  449.     render->info.vc1.postprocflag       = v->postprocflag;

  450.     render->info.vc1.pulldown           = v->broadcast;

  451.     render->info.vc1.interlace          = v->interlace;

  452.     render->info.vc1.tfcntrflag         = v->tfcntrflag;

  453.     render->info.vc1.finterpflag        = v->finterpflag;

  454.     render->info.vc1.psf                = v->psf;

  455.     render->info.vc1.dquant             = v->dquant;

  456.     render->info.vc1.panscan_flag       = v->panscanflag;

  457.     render->info.vc1.refdist_flag       = v->refdist_flag;

  458.     render->info.vc1.quantizer          = v->quantizer_mode;

  459.     render->info.vc1.extended_mv        = v->extended_mv;

  460.     render->info.vc1.extended_dmv       = v->extended_dmv;

  461.     render->info.vc1.overlap            = v->overlap;

  462.     render->info.vc1.vstransform        = v->vstransform;

  463.     render->info.vc1.loopfilter         = v->s.loop_filter;

  464.     render->info.vc1.fastuvmc           = v->fastuvmc;

  465.     render->info.vc1.range_mapy_flag    = v->range_mapy_flag;

  466.     render->info.vc1.range_mapy         = v->range_mapy;

  467.     render->info.vc1.range_mapuv_flag   = v->range_mapuv_flag;

  468.     render->info.vc1.range_mapuv        = v->range_mapuv;

  469.     /* Specific to simple/main profile only */

  470.     render->info.vc1.multires           = v->multires;

  471.     render->info.vc1.syncmarker         = v->resync_marker;

  472.     render->info.vc1.rangered           = v->rangered | (v->rangeredfrm << 1);

  473.     render->info.vc1.maxbframes         = v->s.max_b_frames;

  474. 

  475.     render->info.vc1.deblockEnable      = v->postprocflag & 1;

  476.     render->info.vc1.pquant             = v->pq;

  477. 

  478.     render->info.vc1.forward_reference  = VDP_INVALID_HANDLE;

  479.     render->info.vc1.backward_reference = VDP_INVALID_HANDLE;

  480. 

  481.     if (v->bi_type)

  482.         render->info.vc1.picture_type = 4;

  483.     else

  484.         render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;

  485. 

  486.     switch(s->pict_type){

  487.     case  AV_PICTURE_TYPE_B:

  488.         next = (struct vdpau_render_state *)s->next_picture.f->data[0];

  489.         assert(next);

  490.         render->info.vc1.backward_reference = next->surface;

  491.         // no break here, going to set forward prediction

  492.     case  AV_PICTURE_TYPE_P:

  493.         last = (struct vdpau_render_state *)s->last_picture.f->data[0];

  494.         if (!last) // FIXME: Does this test make sense?

  495.             last = render; // predict second field from the first

  496.         render->info.vc1.forward_reference = last->surface;

  497.     }

  498. 

  499.     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);

  500. 

  501.     render->info.vc1.slice_count          = 1;

  502. 

  503.     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);

  504.     render->bitstream_buffers_used        = 0;

  505. }

  506. #endif /* (CONFIG_VC1_VDPAU_DECODER */

  507. 

  508. #if CONFIG_MPEG4_VDPAU_DECODER

  509. void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,

  510.                                    int buf_size)

  511. {

  512.     MpegEncContext *s = &ctx->m;

  513.     struct vdpau_render_state *render, *last, *next;

  514.     int i;

  515. 

  516.     if (!s->current_picture_ptr) return;

  517. 

  518.     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];

  519.     assert(render);

  520. 

  521.     /* fill VdpPictureInfoMPEG4Part2 struct */

  522.     render->info.mpeg4.trd[0]                            = s->pp_time;

  523.     render->info.mpeg4.trb[0]                            = s->pb_time;

  524.     render->info.mpeg4.trd[1]                            = s->pp_field_time >> 1;

  525.     render->info.mpeg4.trb[1]                            = s->pb_field_time >> 1;

  526.     render->info.mpeg4.vop_time_increment_resolution     = s->avctx->time_base.den;

  527.     render->info.mpeg4.vop_coding_type                   = 0;

  528.     render->info.mpeg4.vop_fcode_forward                 = s->f_code;

  529.     render->info.mpeg4.vop_fcode_backward                = s->b_code;

  530.     render->info.mpeg4.resync_marker_disable             = !ctx->resync_marker;

  531.     render->info.mpeg4.interlaced                        = !s->progressive_sequence;

  532.     render->info.mpeg4.quant_type                        = s->mpeg_quant;

  533.     render->info.mpeg4.quarter_sample                    = s->quarter_sample;

  534.     render->info.mpeg4.short_video_header                = s->avctx->codec->id == AV_CODEC_ID_H263;

  535.     render->info.mpeg4.rounding_control                  = s->no_rounding;

  536.     render->info.mpeg4.alternate_vertical_scan_flag      = s->alternate_scan;

  537.     render->info.mpeg4.top_field_first                   = s->top_field_first;

  538.     for (i = 0; i < 64; ++i) {

  539.         render->info.mpeg4.intra_quantizer_matrix[i]     = s->intra_matrix[i];

  540.         render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];

  541.     }

  542.     render->info.mpeg4.forward_reference                 = VDP_INVALID_HANDLE;

  543.     render->info.mpeg4.backward_reference                = VDP_INVALID_HANDLE;

  544. 

  545.     switch (s->pict_type) {

  546.     case AV_PICTURE_TYPE_B:

  547.         next = (struct vdpau_render_state *)s->next_picture.f->data[0];

  548.         assert(next);

  549.         render->info.mpeg4.backward_reference     = next->surface;

  550.         render->info.mpeg4.vop_coding_type        = 2;

  551.         // no break here, going to set forward prediction

  552.     case AV_PICTURE_TYPE_P:

  553.         last = (struct vdpau_render_state *)s->last_picture.f->data[0];

  554.         assert(last);

  555.         render->info.mpeg4.forward_reference      = last->surface;

  556.     }

  557. 

  558.     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);

  559. 

  560.     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);

  561.     render->bitstream_buffers_used = 0;

  562. }

  563. #endif /* CONFIG_MPEG4_VDPAU_DECODER */

  564. 

  565. int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)

  566. {

  567. #define PROFILE(prof)       \

  568. do {                        \

  569.     *profile = prof;        \

  570.     return 0;               \

  571. } while (0)

  572. 

  573.     switch (avctx->codec_id) {

  574.     case AV_CODEC_ID_MPEG1VIDEO:               PROFILE(VDP_DECODER_PROFILE_MPEG1);

  575.     case AV_CODEC_ID_MPEG2VIDEO:

  576.         switch (avctx->profile) {

  577.         case FF_PROFILE_MPEG2_MAIN:            PROFILE(VDP_DECODER_PROFILE_MPEG2_MAIN);

  578.         case FF_PROFILE_MPEG2_SIMPLE:          PROFILE(VDP_DECODER_PROFILE_MPEG2_SIMPLE);

  579.         default:                               return AVERROR(EINVAL);

  580.         }

  581.     case AV_CODEC_ID_H263:                     PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);

  582.     case AV_CODEC_ID_MPEG4:

  583.         switch (avctx->profile) {

  584.         case FF_PROFILE_MPEG4_SIMPLE:          PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_SP);

  585.         case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);

  586.         default:                               return AVERROR(EINVAL);

  587.         }

  588.     case AV_CODEC_ID_H264:

  589.         switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {

  590.         case FF_PROFILE_H264_CONSTRAINED_BASELINE:

  591.         case FF_PROFILE_H264_BASELINE:         PROFILE(VDP_DECODER_PROFILE_H264_BASELINE);

  592.         case FF_PROFILE_H264_MAIN:             PROFILE(VDP_DECODER_PROFILE_H264_MAIN);

  593.         case FF_PROFILE_H264_HIGH:             PROFILE(VDP_DECODER_PROFILE_H264_HIGH);

  594.         default:                               return AVERROR(EINVAL);

  595.         }

  596.     case AV_CODEC_ID_WMV3:

  597.     case AV_CODEC_ID_VC1:

  598.         switch (avctx->profile) {

  599.         case FF_PROFILE_VC1_SIMPLE:            PROFILE(VDP_DECODER_PROFILE_VC1_SIMPLE);

  600.         case FF_PROFILE_VC1_MAIN:              PROFILE(VDP_DECODER_PROFILE_VC1_MAIN);

  601.         case FF_PROFILE_VC1_ADVANCED:          PROFILE(VDP_DECODER_PROFILE_VC1_ADVANCED);

  602.         default:                               return AVERROR(EINVAL);

  603.         }

  604.     }

  605.     return AVERROR(EINVAL);

  606. }

  607. 

  608. AVVDPAUContext *av_vdpau_alloc_context(void)

  609. {

  610.     return av_mallocz(sizeof(AVVDPAUContext));

  611. }

  612. 

  613. /* @}*/