---
libavcodec/Makefile | 1 +
libavcodec/allcodecs.c | 1 +
libavcodec/mpegvideo.c | 1 +
libavcodec/vdpau_mpeg2.c | 102 ++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 105 insertions(+)
create mode 100644 libavcodec/vdpau_mpeg2.c
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index a4eebb8..0d3004a 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -249,6 +249,7 @@ OBJS-$(CONFIG_MPEG1VIDEO_DECODER) += mpeg12.o
mpeg12data.o
OBJS-$(CONFIG_MPEG1VIDEO_ENCODER) += mpeg12enc.o mpeg12.o
OBJS-$(CONFIG_MPEG2_DXVA2_HWACCEL) += dxva2_mpeg2.o
OBJS-$(CONFIG_MPEG2_VAAPI_HWACCEL) += vaapi_mpeg2.o
+OBJS-$(CONFIG_MPEG2_VDPAU_HWACCEL) += vdpau_mpeg2.o
OBJS-$(CONFIG_MPEG2VIDEO_DECODER) += mpeg12.o mpeg12data.o
OBJS-$(CONFIG_MPEG2VIDEO_ENCODER) += mpeg12enc.o mpeg12.o
OBJS-$(CONFIG_MPEG4_VAAPI_HWACCEL) += vaapi_mpeg4.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index ee664e4..29f7385 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -79,6 +79,7 @@ void avcodec_register_all(void)
REGISTER_HWACCEL(H264_VDA, h264_vda);
REGISTER_HWACCEL(MPEG2_DXVA2, mpeg2_dxva2);
REGISTER_HWACCEL(MPEG2_VAAPI, mpeg2_vaapi);
+ REGISTER_HWACCEL(MPEG2_VDPAU, mpeg2_vdpau);
REGISTER_HWACCEL(MPEG4_VAAPI, mpeg4_vaapi);
REGISTER_HWACCEL(VC1_DXVA2, vc1_dxva2);
REGISTER_HWACCEL(VC1_VAAPI, vc1_vaapi);
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 0b6ddb9..5bb04dd 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -134,6 +134,7 @@ const enum AVPixelFormat ff_hwaccel_pixfmt_list_420[] = {
AV_PIX_FMT_DXVA2_VLD,
AV_PIX_FMT_VAAPI_VLD,
AV_PIX_FMT_VDA_VLD,
+ AV_PIX_FMT_VDPAU,
AV_PIX_FMT_YUV420P,
AV_PIX_FMT_NONE
};
diff --git a/libavcodec/vdpau_mpeg2.c b/libavcodec/vdpau_mpeg2.c
new file mode 100644
index 0000000..896eb4c
--- /dev/null
+++ b/libavcodec/vdpau_mpeg2.c
@@ -0,0 +1,102 @@
+/*
+ * MPEG-1/2 HW decode acceleration through VDPAU
+ *
+ * Copyright (c) 2008 NVIDIA
+ * Copyright (c) 2012-2013 Rémi Denis-Courmont
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "avcodec.h"
+#include "dsputil.h"
+#include "vdpau_internal.h"
+
+#include <assert.h>
+
+static int vdpau_mpeg2_start_frame(AVCodecContext *avctx,
+ const uint8_t *buffer, uint32_t size)
+{
+ MpegEncContext * const s = avctx->priv_data;
+ struct vdpau_context *hwctx = avctx->hwaccel_context;
+ VdpVideoSurface ref;
+ int i;
+
+ /* fill VdpPictureInfoMPEG1Or2 struct */
+ hwctx->info.mpeg.picture_structure = s->picture_structure;
+ hwctx->info.mpeg.picture_coding_type = s->pict_type;
+ hwctx->info.mpeg.intra_dc_precision = s->intra_dc_precision;
+ hwctx->info.mpeg.frame_pred_frame_dct = s->frame_pred_frame_dct;
+ hwctx->info.mpeg.concealment_motion_vectors =
s->concealment_motion_vectors;
+ hwctx->info.mpeg.intra_vlc_format = s->intra_vlc_format;
+ hwctx->info.mpeg.alternate_scan = s->alternate_scan;
+ hwctx->info.mpeg.q_scale_type = s->q_scale_type;
+ hwctx->info.mpeg.top_field_first = s->top_field_first;
+ // Both for MPEG-1 only, zero for MPEG-2:
+ hwctx->info.mpeg.full_pel_forward_vector = s->full_pel[0];
+ hwctx->info.mpeg.full_pel_backward_vector = s->full_pel[1];
+ // For MPEG-1 fill both horizontal & vertical:
+ hwctx->info.mpeg.f_code[0][0] = s->mpeg_f_code[0][0];
+ hwctx->info.mpeg.f_code[0][1] = s->mpeg_f_code[0][1];
+ hwctx->info.mpeg.f_code[1][0] = s->mpeg_f_code[1][0];
+ hwctx->info.mpeg.f_code[1][1] = s->mpeg_f_code[1][1];
+ for (i = 0; i < 64; ++i) {
+ hwctx->info.mpeg.intra_quantizer_matrix[i] = s->intra_matrix[i];
+ hwctx->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
+ }
+
+ hwctx->info.mpeg.forward_reference = VDP_INVALID_HANDLE;
+ hwctx->info.mpeg.backward_reference = VDP_INVALID_HANDLE;
+
+ switch(s->pict_type){
+ case AV_PICTURE_TYPE_B:
+ ref = ff_vdpau_get_surface_id(&s->next_picture);
+ assert(ref != VDP_INVALID_HANDLE);
+ hwctx->info.mpeg.backward_reference = ref;
+ /* fall through to forward prediction */
+ case AV_PICTURE_TYPE_P:
+ ref = ff_vdpau_get_surface_id(&s->last_picture);
+ hwctx->info.mpeg.forward_reference = ref;
+ }
+
+ hwctx->info.mpeg.slice_count = 0;
+
+ return ff_vdpau_common_start_frame(avctx, buffer, size);
+}
+
+static int vdpau_mpeg2_decode_slice(AVCodecContext *avctx,
+ const uint8_t *buffer, uint32_t size)
+{
+ struct vdpau_context *hwctx = avctx->hwaccel_context;
+ int val;
+
+ val = ff_vdpau_add_buffer(avctx, buffer, size);
+ if (val < 0)
+ return val;
+
+ hwctx->info.mpeg.slice_count++;
+ return 0;
+}
+
+AVHWAccel ff_mpeg2_vdpau_hwaccel = {
+ .name = "mpeg2_vdpau",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_MPEG2VIDEO,
+ .pix_fmt = AV_PIX_FMT_VDPAU,
+ .start_frame = vdpau_mpeg2_start_frame,
+ .end_frame = ff_vdpau_common_end_frame,
+ .decode_slice = vdpau_mpeg2_decode_slice,
+};
--
1.7.10.4
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