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Diffstat (limited to 'ffmpeg/libavcodec/vaapi_mpeg4.c')
-rw-r--r--ffmpeg/libavcodec/vaapi_mpeg4.c160
1 files changed, 0 insertions, 160 deletions
diff --git a/ffmpeg/libavcodec/vaapi_mpeg4.c b/ffmpeg/libavcodec/vaapi_mpeg4.c
deleted file mode 100644
index 9ed007f..0000000
--- a/ffmpeg/libavcodec/vaapi_mpeg4.c
+++ /dev/null
@@ -1,160 +0,0 @@
-/*
- * MPEG-4 / H.263 HW decode acceleration through VA API
- *
- * Copyright (C) 2008-2009 Splitted-Desktop Systems
- *
- * 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 "vaapi_internal.h"
-#include "h263.h"
-#include "mpeg4video.h"
-
-/** Reconstruct bitstream intra_dc_vlc_thr */
-static int mpeg4_get_intra_dc_vlc_thr(Mpeg4DecContext *s)
-{
- switch (s->intra_dc_threshold) {
- case 99: return 0;
- case 13: return 1;
- case 15: return 2;
- case 17: return 3;
- case 19: return 4;
- case 21: return 5;
- case 23: return 6;
- case 0: return 7;
- }
- return 0;
-}
-
-static int vaapi_mpeg4_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
-{
- Mpeg4DecContext *ctx = avctx->priv_data;
- MpegEncContext * const s = &ctx->m;
- struct vaapi_context * const vactx = avctx->hwaccel_context;
- VAPictureParameterBufferMPEG4 *pic_param;
- VAIQMatrixBufferMPEG4 *iq_matrix;
- int i;
-
- av_dlog(avctx, "vaapi_mpeg4_start_frame()\n");
-
- vactx->slice_param_size = sizeof(VASliceParameterBufferMPEG4);
-
- /* Fill in VAPictureParameterBufferMPEG4 */
- pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VAPictureParameterBufferMPEG4));
- if (!pic_param)
- return -1;
- pic_param->vop_width = s->width;
- pic_param->vop_height = s->height;
- pic_param->forward_reference_picture = VA_INVALID_ID;
- pic_param->backward_reference_picture = VA_INVALID_ID;
- pic_param->vol_fields.value = 0; /* reset all bits */
- pic_param->vol_fields.bits.short_video_header = avctx->codec->id == AV_CODEC_ID_H263;
- pic_param->vol_fields.bits.chroma_format = CHROMA_420;
- pic_param->vol_fields.bits.interlaced = !s->progressive_sequence;
- pic_param->vol_fields.bits.obmc_disable = 1;
- pic_param->vol_fields.bits.sprite_enable = ctx->vol_sprite_usage;
- pic_param->vol_fields.bits.sprite_warping_accuracy = s->sprite_warping_accuracy;
- pic_param->vol_fields.bits.quant_type = s->mpeg_quant;
- pic_param->vol_fields.bits.quarter_sample = s->quarter_sample;
- pic_param->vol_fields.bits.data_partitioned = s->data_partitioning;
- pic_param->vol_fields.bits.reversible_vlc = ctx->rvlc;
- pic_param->vol_fields.bits.resync_marker_disable = !ctx->resync_marker;
- pic_param->no_of_sprite_warping_points = ctx->num_sprite_warping_points;
- for (i = 0; i < ctx->num_sprite_warping_points && i < 3; i++) {
- pic_param->sprite_trajectory_du[i] = ctx->sprite_traj[i][0];
- pic_param->sprite_trajectory_dv[i] = ctx->sprite_traj[i][1];
- }
- pic_param->quant_precision = s->quant_precision;
- pic_param->vop_fields.value = 0; /* reset all bits */
- pic_param->vop_fields.bits.vop_coding_type = s->pict_type - AV_PICTURE_TYPE_I;
- pic_param->vop_fields.bits.backward_reference_vop_coding_type = s->pict_type == AV_PICTURE_TYPE_B ? s->next_picture.f.pict_type - AV_PICTURE_TYPE_I : 0;
- pic_param->vop_fields.bits.vop_rounding_type = s->no_rounding;
- pic_param->vop_fields.bits.intra_dc_vlc_thr = mpeg4_get_intra_dc_vlc_thr(ctx);
- pic_param->vop_fields.bits.top_field_first = s->top_field_first;
- pic_param->vop_fields.bits.alternate_vertical_scan_flag = s->alternate_scan;
- pic_param->vop_fcode_forward = s->f_code;
- pic_param->vop_fcode_backward = s->b_code;
- pic_param->vop_time_increment_resolution = avctx->time_base.den;
- pic_param->num_macroblocks_in_gob = s->mb_width * ff_h263_get_gob_height(s);
- pic_param->num_gobs_in_vop = (s->mb_width * s->mb_height) / pic_param->num_macroblocks_in_gob;
- pic_param->TRB = s->pb_time;
- pic_param->TRD = s->pp_time;
-
- if (s->pict_type == AV_PICTURE_TYPE_B)
- pic_param->backward_reference_picture = ff_vaapi_get_surface_id(&s->next_picture);
- if (s->pict_type != AV_PICTURE_TYPE_I)
- pic_param->forward_reference_picture = ff_vaapi_get_surface_id(&s->last_picture);
-
- /* Fill in VAIQMatrixBufferMPEG4 */
- /* Only the first inverse quantisation method uses the weighting matrices */
- if (pic_param->vol_fields.bits.quant_type) {
- iq_matrix = ff_vaapi_alloc_iq_matrix(vactx, sizeof(VAIQMatrixBufferMPEG4));
- if (!iq_matrix)
- return -1;
- iq_matrix->load_intra_quant_mat = 1;
- iq_matrix->load_non_intra_quant_mat = 1;
-
- for (i = 0; i < 64; i++) {
- int n = s->dsp.idct_permutation[ff_zigzag_direct[i]];
- iq_matrix->intra_quant_mat[i] = s->intra_matrix[n];
- iq_matrix->non_intra_quant_mat[i] = s->inter_matrix[n];
- }
- }
- return 0;
-}
-
-static int vaapi_mpeg4_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
-{
- MpegEncContext * const s = avctx->priv_data;
- VASliceParameterBufferMPEG4 *slice_param;
-
- av_dlog(avctx, "vaapi_mpeg4_decode_slice(): buffer %p, size %d\n", buffer, size);
-
- /* Fill in VASliceParameterBufferMPEG4 */
- slice_param = (VASliceParameterBufferMPEG4 *)ff_vaapi_alloc_slice(avctx->hwaccel_context, buffer, size);
- if (!slice_param)
- return -1;
- slice_param->macroblock_offset = get_bits_count(&s->gb) % 8;
- slice_param->macroblock_number = 0;
- slice_param->quant_scale = s->qscale;
-
- return 0;
-}
-
-#if CONFIG_MPEG4_VAAPI_HWACCEL
-AVHWAccel ff_mpeg4_vaapi_hwaccel = {
- .name = "mpeg4_vaapi",
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_MPEG4,
- .pix_fmt = AV_PIX_FMT_VAAPI_VLD,
- .start_frame = vaapi_mpeg4_start_frame,
- .end_frame = ff_vaapi_mpeg_end_frame,
- .decode_slice = vaapi_mpeg4_decode_slice,
-};
-#endif
-
-#if CONFIG_H263_VAAPI_HWACCEL
-AVHWAccel ff_h263_vaapi_hwaccel = {
- .name = "h263_vaapi",
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_H263,
- .pix_fmt = AV_PIX_FMT_VAAPI_VLD,
- .start_frame = vaapi_mpeg4_start_frame,
- .end_frame = ff_vaapi_mpeg_end_frame,
- .decode_slice = vaapi_mpeg4_decode_slice,
-};
-#endif
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