/* * Video Decode and Presentation API for UNIX (VDPAU) is used for * HW decode acceleration for MPEG-1/2, MPEG-4 ASP, 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 ? 16 : 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_start(MpegEncContext *s) { H264Context *h = s->avctx->priv_data; struct vdpau_render_state *render; int i; render = (struct vdpau_render_state *)s->current_picture_ptr->data[0]; assert(render); for (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.frame_num = h->frame_num; } 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; render->info.h264.is_reference = (s->current_picture_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE; 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.field_pic_flag; 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.poc_type ? 0 : 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; if (!s->current_picture_ptr) return; 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 AV_PICTURE_TYPE_B: 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 AV_PICTURE_TYPE_P: 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 | (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.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.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; } void ff_vdpau_mpeg4_decode_picture(MpegEncContext *s, const uint8_t *buf, int buf_size) { struct vdpau_render_state *render, *last, *next; int i; if (!s->current_picture_ptr) return; render = (struct vdpau_render_state *)s->current_picture_ptr->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 = !s->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 == 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.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.data[0]; assert(last); render->info.mpeg4.forward_reference = last->surface; } ff_vdpau_add_data_chunk(s, buf, buf_size); ff_draw_horiz_band(s, 0, s->avctx->height); render->bitstream_buffers_used = 0; } // Only dummy functions for now static int vdpau_mpeg2_start_frame(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size) { return 0; } static int vdpau_mpeg2_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size) { return 0; } static int vdpau_mpeg2_end_frame(AVCodecContext *avctx) { return 0; } AVHWAccel ff_mpeg1_vdpau_hwaccel = { .name = "mpeg1_vdpau", .type = AVMEDIA_TYPE_VIDEO, .id = CODEC_ID_MPEG1VIDEO, .pix_fmt = PIX_FMT_VDPAU_MPEG1, .start_frame = vdpau_mpeg2_start_frame, .end_frame = vdpau_mpeg2_end_frame, .decode_slice = vdpau_mpeg2_decode_slice, }; AVHWAccel ff_mpeg2_vdpau_hwaccel = { .name = "mpeg2_vdpau", .type = AVMEDIA_TYPE_VIDEO, .id = CODEC_ID_MPEG2VIDEO, .pix_fmt = PIX_FMT_VDPAU_MPEG2, .start_frame = vdpau_mpeg2_start_frame, .end_frame = vdpau_mpeg2_end_frame, .decode_slice = vdpau_mpeg2_decode_slice, }; /* @}*/