summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--DOCS/man/vf.rst7
-rw-r--r--TOOLS/old-makefile3
-rw-r--r--video/filter/vf.c2
-rw-r--r--video/filter/vf_vdpaurb.c112
-rw-r--r--wscript_build.py1
5 files changed, 124 insertions, 1 deletions
diff --git a/DOCS/man/vf.rst b/DOCS/man/vf.rst
index c49ef95ced..6479560444 100644
--- a/DOCS/man/vf.rst
+++ b/DOCS/man/vf.rst
@@ -878,6 +878,13 @@ Available filters are:
1-9
Apply high quality VDPAU scaling (needs capable hardware).
+``vdpaurb``
+ VDPAU video read back. Works with ``--vo=vdpau`` and ``--vo=opengl`` only.
+ This filter will read back frames decoded by VDPAU so that other filters,
+ which are not normally compatible with VDPAU, can be used like normal.
+ This filter must be specified before ``vdpaupp`` in the filter chain if
+ ``vdpaupp`` is used.
+
``buffer=<num>``
Buffer ``<num>`` frames in the filter chain. This filter is probably pretty
useless, except for debugging. (Note that this won't help smoothing out
diff --git a/TOOLS/old-makefile b/TOOLS/old-makefile
index 6eb40ee3b6..77a03a58cd 100644
--- a/TOOLS/old-makefile
+++ b/TOOLS/old-makefile
@@ -80,7 +80,8 @@ SOURCES-$(RSOUND) += audio/out/ao_rsound.c
SOURCES-$(SNDIO) += audio/out/ao_sndio.c
SOURCES-$(VDPAU) += video/vdpau.c video/vdpau_mixer.c \
video/out/vo_vdpau.c video/decode/vdpau.c \
- video/filter/vf_vdpaupp.c
+ video/filter/vf_vdpaupp.c \
+ video/filter/vf_vdpaurb.c
SOURCES-$(VDPAU_GL_X11) += video/out/gl_hwdec_vdpau.c
SOURCES-$(VAAPI) += video/out/vo_vaapi.c \
video/decode/vaapi.c \
diff --git a/video/filter/vf.c b/video/filter/vf.c
index 6b963e3117..4139492c52 100644
--- a/video/filter/vf.c
+++ b/video/filter/vf.c
@@ -63,6 +63,7 @@ extern const vf_info_t vf_info_vaapi;
extern const vf_info_t vf_info_vapoursynth;
extern const vf_info_t vf_info_vapoursynth_lazy;
extern const vf_info_t vf_info_vdpaupp;
+extern const vf_info_t vf_info_vdpaurb;
extern const vf_info_t vf_info_buffer;
// list of available filters:
@@ -106,6 +107,7 @@ static const vf_info_t *const filter_list[] = {
#endif
#if HAVE_VDPAU
&vf_info_vdpaupp,
+ &vf_info_vdpaurb,
#endif
NULL
};
diff --git a/video/filter/vf_vdpaurb.c b/video/filter/vf_vdpaurb.c
new file mode 100644
index 0000000000..64b68ee5cc
--- /dev/null
+++ b/video/filter/vf_vdpaurb.c
@@ -0,0 +1,112 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * mpv 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with mpv. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <assert.h>
+
+#include "video/vdpau.h"
+#include "video/vdpau_mixer.h"
+#include "vf.h"
+
+// This filter will read back decoded frames that have been decoded by vdpau
+// so they can be post-processed by regular filters. As vdpau is still doing
+// the decoding, a vdpau compatible vo must always be used.
+//
+// NB: This filter assumes the video surface will have a 420 chroma type and
+// can always be read back in NV12 format. This is a safe assumption at the
+// time of writing, but may not always remain true.
+
+struct vf_priv_s {
+ struct mp_vdpau_ctx *ctx;
+};
+
+static int filter_ext(struct vf_instance *vf, struct mp_image *mpi)
+{
+ VdpStatus vdp_st;
+ struct vf_priv_s *p = vf->priv;
+ struct mp_vdpau_ctx *ctx = p->ctx;
+ struct vdp_functions *vdp = &ctx->vdp;
+
+ if (mp_vdpau_mixed_frame_get(mpi)) {
+ MP_ERR(vf, "Can't apply vdpaurb filter after vdpaupp filter.\n");
+ mp_image_unrefp(&mpi);
+ return -1;
+ }
+
+ struct mp_image *out = vf_alloc_out_image(vf);
+ if (!out) {
+ mp_image_unrefp(&mpi);
+ return -1;
+ }
+ mp_image_copy_attributes(out, mpi);
+
+ VdpVideoSurface surface = (uintptr_t)mpi->planes[3];
+ assert(surface > 0);
+
+ vdp_st = vdp->video_surface_get_bits_y_cb_cr(surface,
+ VDP_YCBCR_FORMAT_NV12,
+ (void * const *)out->planes,
+ out->stride);
+ CHECK_VDP_WARNING(vf, "Error when calling vdp_output_surface_get_bits_y_cb_cr");
+
+ vf_add_output_frame(vf, out);
+ mp_image_unrefp(&mpi);
+ return 0;
+}
+
+static int reconfig(struct vf_instance *vf, struct mp_image_params *in,
+ struct mp_image_params *out)
+{
+ *out = *in;
+ out->imgfmt = IMGFMT_NV12;
+ return 0;
+}
+
+static int query_format(struct vf_instance *vf, unsigned int fmt)
+{
+ if (fmt == IMGFMT_VDPAU) {
+ return vf_next_query_format(vf, IMGFMT_NV12);
+ }
+ return 0;
+}
+
+static int vf_open(vf_instance_t *vf)
+{
+ struct vf_priv_s *p = vf->priv;
+
+ vf->filter_ext = filter_ext;
+ vf->filter = NULL;
+ vf->reconfig = reconfig;
+ vf->query_format = query_format;
+
+ if (!vf->hwdec) {
+ return 0;
+ }
+ hwdec_request_api(vf->hwdec, "vdpau");
+ p->ctx = vf->hwdec->hwctx ? vf->hwdec->hwctx->vdpau_ctx : NULL;
+ if (!p->ctx) {
+ return 0;
+ }
+
+ return 1;
+}
+
+const vf_info_t vf_info_vdpaurb = {
+ .description = "vdpau readback",
+ .name = "vdpaurb",
+ .open = vf_open,
+ .priv_size = sizeof(struct vf_priv_s),
+};
diff --git a/wscript_build.py b/wscript_build.py
index 18b2792e90..acf3882e3c 100644
--- a/wscript_build.py
+++ b/wscript_build.py
@@ -321,6 +321,7 @@ def build(ctx):
( "video/filter/vf_vapoursynth.c", "vapoursynth-core" ),
( "video/filter/vf_vavpp.c", "vaapi-vpp"),
( "video/filter/vf_vdpaupp.c", "vdpau" ),
+ ( "video/filter/vf_vdpaurb.c", "vdpau" ),
( "video/filter/vf_yadif.c", "libavfilter"),
( "video/out/aspect.c" ),
( "video/out/bitmap_packer.c" ),