summaryrefslogtreecommitdiff
path: root/ffmpeg1/libavcodec/vdpau_h264.c
diff options
context:
space:
mode:
Diffstat (limited to 'ffmpeg1/libavcodec/vdpau_h264.c')
-rw-r--r--ffmpeg1/libavcodec/vdpau_h264.c210
1 files changed, 0 insertions, 210 deletions
diff --git a/ffmpeg1/libavcodec/vdpau_h264.c b/ffmpeg1/libavcodec/vdpau_h264.c
deleted file mode 100644
index ad1aff0..0000000
--- a/ffmpeg1/libavcodec/vdpau_h264.c
+++ /dev/null
@@ -1,210 +0,0 @@
-/*
- * MPEG-4 Part 10 / AVC / H.264 HW decode acceleration through VDPAU
- *
- * Copyright (c) 2008 NVIDIA
- * Copyright (c) 2013 Rémi Denis-Courmont
- *
- * 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 <vdpau/vdpau.h>
-
-#include "avcodec.h"
-#include "h264.h"
-#include "vdpau.h"
-#include "vdpau_internal.h"
-
-static int32_t h264_foc(int foc)
-{
- if (foc == INT_MAX)
- foc = 0;
- return foc;
-}
-
-static void vdpau_h264_clear_rf(VdpReferenceFrameH264 *rf)
-{
- rf->surface = VDP_INVALID_HANDLE;
- rf->is_long_term = VDP_FALSE;
- rf->top_is_reference = VDP_FALSE;
- rf->bottom_is_reference = VDP_FALSE;
- rf->field_order_cnt[0] = 0;
- rf->field_order_cnt[1] = 0;
- rf->frame_idx = 0;
-}
-
-static void vdpau_h264_set_rf(VdpReferenceFrameH264 *rf, Picture *pic,
- int pic_structure)
-{
- VdpVideoSurface surface = ff_vdpau_get_surface_id(pic);
-
- if (pic_structure == 0)
- pic_structure = pic->reference;
-
- rf->surface = surface;
- rf->is_long_term = pic->reference && pic->long_ref;
- rf->top_is_reference = (pic_structure & PICT_TOP_FIELD) != 0;
- rf->bottom_is_reference = (pic_structure & PICT_BOTTOM_FIELD) != 0;
- rf->field_order_cnt[0] = h264_foc(pic->field_poc[0]);
- rf->field_order_cnt[1] = h264_foc(pic->field_poc[1]);
- rf->frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
-}
-
-static void vdpau_h264_set_reference_frames(AVCodecContext *avctx)
-{
- H264Context * const h = avctx->priv_data;
- AVVDPAUContext *hwctx = avctx->hwaccel_context;
- VdpPictureInfoH264 *info = &hwctx->info.h264;
- int list;
-
- VdpReferenceFrameH264 *rf = &info->referenceFrames[0];
-#define H264_RF_COUNT FF_ARRAY_ELEMS(info->referenceFrames)
-
- for (list = 0; list < 2; ++list) {
- Picture **lp = list ? h->long_ref : h->short_ref;
- int i, ls = list ? 16 : h->short_ref_count;
-
- for (i = 0; i < ls; ++i) {
- Picture *pic = lp[i];
- VdpReferenceFrameH264 *rf2;
- VdpVideoSurface surface_ref;
- int pic_frame_idx;
-
- if (!pic || !pic->reference)
- continue;
- pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
- surface_ref = ff_vdpau_get_surface_id(pic);
-
- rf2 = &info->referenceFrames[0];
- while (rf2 != rf) {
- if ((rf2->surface == surface_ref) &&
- (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 >= &info->referenceFrames[H264_RF_COUNT])
- continue;
-
- vdpau_h264_set_rf(rf, pic, pic->reference);
- ++rf;
- }
- }
-
- for (; rf < &info->referenceFrames[H264_RF_COUNT]; ++rf)
- vdpau_h264_clear_rf(rf);
-}
-
-static int vdpau_h264_start_frame(AVCodecContext *avctx,
- const uint8_t *buffer, uint32_t size)
-{
- H264Context * const h = avctx->priv_data;
- AVVDPAUContext *hwctx = avctx->hwaccel_context;
- VdpPictureInfoH264 *info = &hwctx->info.h264;
- Picture *pic = h->cur_pic_ptr;
-
- /* init VdpPictureInfoH264 */
- info->slice_count = 0;
- info->field_order_cnt[0] = h264_foc(pic->field_poc[0]);
- info->field_order_cnt[1] = h264_foc(pic->field_poc[1]);
- info->is_reference = h->nal_ref_idc != 0;
- info->frame_num = h->frame_num;
- info->field_pic_flag = h->picture_structure != PICT_FRAME;
- info->bottom_field_flag = h->picture_structure == PICT_BOTTOM_FIELD;
- info->num_ref_frames = h->sps.ref_frame_count;
- info->mb_adaptive_frame_field_flag = h->sps.mb_aff && !info->field_pic_flag;
- info->constrained_intra_pred_flag = h->pps.constrained_intra_pred;
- info->weighted_pred_flag = h->pps.weighted_pred;
- info->weighted_bipred_idc = h->pps.weighted_bipred_idc;
- info->frame_mbs_only_flag = h->sps.frame_mbs_only_flag;
- info->transform_8x8_mode_flag = h->pps.transform_8x8_mode;
- info->chroma_qp_index_offset = h->pps.chroma_qp_index_offset[0];
- info->second_chroma_qp_index_offset = h->pps.chroma_qp_index_offset[1];
- info->pic_init_qp_minus26 = h->pps.init_qp - 26;
- info->num_ref_idx_l0_active_minus1 = h->pps.ref_count[0] - 1;
- info->num_ref_idx_l1_active_minus1 = h->pps.ref_count[1] - 1;
- info->log2_max_frame_num_minus4 = h->sps.log2_max_frame_num - 4;
- info->pic_order_cnt_type = h->sps.poc_type;
- info->log2_max_pic_order_cnt_lsb_minus4 = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
- info->delta_pic_order_always_zero_flag = h->sps.delta_pic_order_always_zero_flag;
- info->direct_8x8_inference_flag = h->sps.direct_8x8_inference_flag;
- info->entropy_coding_mode_flag = h->pps.cabac;
- info->pic_order_present_flag = h->pps.pic_order_present;
- info->deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
- info->redundant_pic_cnt_present_flag = h->pps.redundant_pic_cnt_present;
-
- memcpy(info->scaling_lists_4x4, h->pps.scaling_matrix4,
- sizeof(info->scaling_lists_4x4));
- memcpy(info->scaling_lists_8x8[0], h->pps.scaling_matrix8[0],
- sizeof(info->scaling_lists_8x8[0]));
- memcpy(info->scaling_lists_8x8[1], h->pps.scaling_matrix8[3],
- sizeof(info->scaling_lists_8x8[1]));
-
- vdpau_h264_set_reference_frames(avctx);
-
- return ff_vdpau_common_start_frame(avctx, buffer, size);
-}
-
-static const uint8_t start_code_prefix[3] = { 0x00, 0x00, 0x01 };
-
-static int vdpau_h264_decode_slice(AVCodecContext *avctx,
- const uint8_t *buffer, uint32_t size)
-{
- AVVDPAUContext *hwctx = avctx->hwaccel_context;
- int val;
-
- val = ff_vdpau_add_buffer(avctx, start_code_prefix, 3);
- if (val)
- return val;
-
- val = ff_vdpau_add_buffer(avctx, buffer, size);
- if (val)
- return val;
-
- hwctx->info.h264.slice_count++;
- return 0;
-}
-
-static int vdpau_h264_end_frame(AVCodecContext *avctx)
-{
- AVVDPAUContext *hwctx = avctx->hwaccel_context;
- H264Context *h = avctx->priv_data;
- VdpVideoSurface surf = ff_vdpau_get_surface_id(h->cur_pic_ptr);
-
- hwctx->render(hwctx->decoder, surf, (void *)&hwctx->info,
- hwctx->bitstream_buffers_used, hwctx->bitstream_buffers);
-
- ff_h264_draw_horiz_band(h, 0, h->avctx->height);
- hwctx->bitstream_buffers_used = 0;
-
- return 0;
-}
-
-AVHWAccel ff_h264_vdpau_hwaccel = {
- .name = "h264_vdpau",
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_H264,
- .pix_fmt = AV_PIX_FMT_VDPAU,
- .start_frame = vdpau_h264_start_frame,
- .end_frame = vdpau_h264_end_frame,
- .decode_slice = vdpau_h264_decode_slice,
-};
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-06 14:55:32 +0000