[FFmpeg-devel] [PATCH] avfilter: add nvidia NPP based transpose filter
Timo Rothenpieler
timo at rothenpieler.org
Sun Sep 9 14:07:57 EEST 2018
From: Roman Arzumanyan <rarzumanyan at nvidia.com>
Signed-off-by: Timo Rothenpieler <timo at rothenpieler.org>
---
configure | 5 +-
doc/filters.texi | 42 +++
libavfilter/Makefile | 1 +
libavfilter/allfilters.c | 1 +
libavfilter/version.h | 2 +-
libavfilter/vf_transpose_npp.c | 487 +++++++++++++++++++++++++++++++++
6 files changed, 535 insertions(+), 3 deletions(-)
create mode 100644 libavfilter/vf_transpose_npp.c
diff --git a/configure b/configure
index 595be65f2c..c6130ce076 100755
--- a/configure
+++ b/configure
@@ -2924,6 +2924,7 @@ hwupload_cuda_filter_deps="ffnvcodec"
scale_npp_filter_deps="ffnvcodec libnpp"
scale_cuda_filter_deps="cuda_sdk"
thumbnail_cuda_filter_deps="cuda_sdk"
+transpose_npp_filter_deps="ffnvcodec libnpp"
amf_deps_any="libdl LoadLibrary"
nvenc_deps="ffnvcodec"
@@ -6083,8 +6084,8 @@ enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug
enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
enabled libmysofa && { check_pkg_config libmysofa libmysofa mysofa.h mysofa_load ||
require libmysofa mysofa.h mysofa_load -lmysofa $zlib_extralibs; }
-enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
- check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
+enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc -lnppidei ||
+ check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc -lnppidei ||
die "ERROR: libnpp not found"; }
enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
diff --git a/doc/filters.texi b/doc/filters.texi
index 37e79d34e1..43813550d7 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -16205,6 +16205,7 @@ embedded peak information in display metadata is not reliable or when tone
mapping from a lower range to a higher range.
@end table
+ at anchor{transpose}
@section transpose
Transpose rows with columns in the input video and optionally flip it.
@@ -16284,6 +16285,47 @@ The command above can also be specified as:
transpose=1:portrait
@end example
+ at section transpose_npp
+
+Transpose rows with columns in the input video and optionally flip it.
+For more in depth examples see the @ref{transpose} video filter, which shares mostly the same options.
+
+It accepts the following parameters:
+
+ at table @option
+
+ at item dir
+Specify the transposition direction.
+
+Can assume the following values:
+ at table @samp
+ at item cclock_flip
+Rotate by 90 degrees counterclockwise and vertically flip. (default)
+
+ at item clock
+Rotate by 90 degrees clockwise.
+
+ at item cclock
+Rotate by 90 degrees counterclockwise.
+
+ at item clock_flip
+Rotate by 90 degrees clockwise and vertically flip.
+ at end table
+
+ at item passthrough
+Do not apply the transposition if the input geometry matches the one
+specified by the specified value. It accepts the following values:
+ at table @samp
+ at item none
+Always apply transposition. (default)
+ at item portrait
+Preserve portrait geometry (when @var{height} >= @var{width}).
+ at item landscape
+Preserve landscape geometry (when @var{width} >= @var{height}).
+ at end table
+
+ at end table
+
@section trim
Trim the input so that the output contains one continuous subpart of the input.
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index e412000c8f..cc0cc15fd2 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -374,6 +374,7 @@ OBJS-$(CONFIG_TONEMAP_FILTER) += vf_tonemap.o colorspace.o
OBJS-$(CONFIG_TONEMAP_OPENCL_FILTER) += vf_tonemap_opencl.o colorspace.o opencl.o \
opencl/tonemap.o opencl/colorspace_common.o
OBJS-$(CONFIG_TRANSPOSE_FILTER) += vf_transpose.o
+OBJS-$(CONFIG_TRANSPOSE_NPP_FILTER) += vf_transpose_npp.o
OBJS-$(CONFIG_TRIM_FILTER) += trim.o
OBJS-$(CONFIG_UNPREMULTIPLY_FILTER) += vf_premultiply.o framesync.o
OBJS-$(CONFIG_UNSHARP_FILTER) += vf_unsharp.o
diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index 2fa9460335..73a5d7e188 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -356,6 +356,7 @@ extern AVFilter ff_vf_tmix;
extern AVFilter ff_vf_tonemap;
extern AVFilter ff_vf_tonemap_opencl;
extern AVFilter ff_vf_transpose;
+extern AVFilter ff_vf_transpose_npp;
extern AVFilter ff_vf_trim;
extern AVFilter ff_vf_unpremultiply;
extern AVFilter ff_vf_unsharp;
diff --git a/libavfilter/version.h b/libavfilter/version.h
index 2ff2b6a318..ef982339d7 100644
--- a/libavfilter/version.h
+++ b/libavfilter/version.h
@@ -30,7 +30,7 @@
#include "libavutil/version.h"
#define LIBAVFILTER_VERSION_MAJOR 7
-#define LIBAVFILTER_VERSION_MINOR 27
+#define LIBAVFILTER_VERSION_MINOR 28
#define LIBAVFILTER_VERSION_MICRO 100
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
diff --git a/libavfilter/vf_transpose_npp.c b/libavfilter/vf_transpose_npp.c
new file mode 100644
index 0000000000..1b3a5c0c69
--- /dev/null
+++ b/libavfilter/vf_transpose_npp.c
@@ -0,0 +1,487 @@
+/*
+ * 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 <nppi.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "libavutil/common.h"
+#include "libavutil/hwcontext.h"
+#include "libavutil/hwcontext_cuda_internal.h"
+#include "libavutil/internal.h"
+#include "libavutil/opt.h"
+#include "libavutil/pixdesc.h"
+
+#include "avfilter.h"
+#include "formats.h"
+#include "internal.h"
+#include "video.h"
+
+static const enum AVPixelFormat supported_formats[] = {
+ AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_YUV444P
+};
+
+enum TransposeStage {
+ STAGE_ROTATE,
+ STAGE_TRANSPOSE,
+ STAGE_NB
+};
+
+enum Transpose {
+ NPP_TRANSPOSE_CCLOCK_FLIP = 0,
+ NPP_TRANSPOSE_CLOCK = 1,
+ NPP_TRANSPOSE_CCLOCK = 2,
+ NPP_TRANSPOSE_CLOCK_FLIP = 3
+};
+
+enum Passthrough {
+ NPP_TRANSPOSE_PT_TYPE_NONE = 0,
+ NPP_TRANSPOSE_PT_TYPE_LANDSCAPE,
+ NPP_TRANSPOSE_PT_TYPE_PORTRAIT
+};
+
+typedef struct NPPTransposeStageContext {
+ int stage_needed;
+ enum AVPixelFormat in_fmt;
+ enum AVPixelFormat out_fmt;
+ struct {
+ int width;
+ int height;
+ } planes_in[3], planes_out[3];
+ AVBufferRef *frames_ctx;
+ AVFrame *frame;
+} NPPTransposeStageContext;
+
+typedef struct NPPTransposeContext {
+ const AVClass *class;
+ NPPTransposeStageContext stages[STAGE_NB];
+ AVFrame *tmp_frame;
+
+ int passthrough; ///< PassthroughType, landscape passthrough mode enabled
+ int dir; ///< TransposeDir
+} NPPTransposeContext;
+
+static int npptranspose_init(AVFilterContext *ctx)
+{
+ NPPTransposeContext *s = ctx->priv;
+ int i;
+
+ for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
+ s->stages[i].frame = av_frame_alloc();
+ if (!s->stages[i].frame)
+ return AVERROR(ENOMEM);
+ }
+
+ s->tmp_frame = av_frame_alloc();
+ if (!s->tmp_frame)
+ return AVERROR(ENOMEM);
+
+ return 0;
+}
+
+static void npptranspose_uninit(AVFilterContext *ctx)
+{
+ NPPTransposeContext *s = ctx->priv;
+ int i;
+
+ for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
+ av_frame_free(&s->stages[i].frame);
+ av_buffer_unref(&s->stages[i].frames_ctx);
+ }
+
+ av_frame_free(&s->tmp_frame);
+}
+
+static int npptranspose_query_formats(AVFilterContext *ctx)
+{
+ static const enum AVPixelFormat pixel_formats[] = {
+ AV_PIX_FMT_CUDA, AV_PIX_FMT_NONE,
+ };
+
+ AVFilterFormats *pix_fmts = ff_make_format_list(pixel_formats);
+ return ff_set_common_formats(ctx, pix_fmts);
+}
+
+static int init_stage(NPPTransposeStageContext *stage, AVBufferRef *device_ctx)
+{
+ AVBufferRef *out_ref = NULL;
+ AVHWFramesContext *out_ctx;
+ int in_sw, in_sh, out_sw, out_sh;
+ int ret, i;
+
+ av_pix_fmt_get_chroma_sub_sample(stage->in_fmt, &in_sw, &in_sh);
+ av_pix_fmt_get_chroma_sub_sample(stage->out_fmt, &out_sw, &out_sh);
+
+ if (!stage->planes_out[0].width) {
+ stage->planes_out[0].width = stage->planes_in[0].width;
+ stage->planes_out[0].height = stage->planes_in[0].height;
+ }
+
+ for (i = 1; i < FF_ARRAY_ELEMS(stage->planes_in); i++) {
+ stage->planes_in[i].width = stage->planes_in[0].width >> in_sw;
+ stage->planes_in[i].height = stage->planes_in[0].height >> in_sh;
+ stage->planes_out[i].width = stage->planes_out[0].width >> out_sw;
+ stage->planes_out[i].height = stage->planes_out[0].height >> out_sh;
+ }
+
+ out_ref = av_hwframe_ctx_alloc(device_ctx);
+ if (!out_ref)
+ return AVERROR(ENOMEM);
+ out_ctx = (AVHWFramesContext*)out_ref->data;
+
+ out_ctx->format = AV_PIX_FMT_CUDA;
+ out_ctx->sw_format = stage->out_fmt;
+ out_ctx->width = FFALIGN(stage->planes_out[0].width, 32);
+ out_ctx->height = FFALIGN(stage->planes_out[0].height, 32);
+
+ ret = av_hwframe_ctx_init(out_ref);
+ if (ret < 0)
+ goto fail;
+
+ av_frame_unref(stage->frame);
+ ret = av_hwframe_get_buffer(out_ref, stage->frame, 0);
+ if (ret < 0)
+ goto fail;
+
+ stage->frame->width = stage->planes_out[0].width;
+ stage->frame->height = stage->planes_out[0].height;
+ av_buffer_unref(&stage->frames_ctx);
+ stage->frames_ctx = out_ref;
+
+ return 0;
+
+fail:
+ av_buffer_unref(&out_ref);
+ return ret;
+}
+
+static int format_is_supported(enum AVPixelFormat fmt)
+{
+ int i;
+
+ for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++)
+ if (supported_formats[i] == fmt)
+ return 1;
+
+ return 0;
+}
+
+static int init_processing_chain(AVFilterContext *ctx, int in_width, int in_height,
+ int out_width, int out_height)
+{
+ NPPTransposeContext *s = ctx->priv;
+ AVHWFramesContext *in_frames_ctx;
+ enum AVPixelFormat format;
+ int i, ret, last_stage = -1;
+ int rot_width = out_width, rot_height = out_height;
+
+ /* check that we have a hw context */
+ if (!ctx->inputs[0]->hw_frames_ctx) {
+ av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n");
+ return AVERROR(EINVAL);
+ }
+
+ in_frames_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data;
+ format = in_frames_ctx->sw_format;
+
+ if (!format_is_supported(format)) {
+ av_log(ctx, AV_LOG_ERROR, "Unsupported input format: %s\n",
+ av_get_pix_fmt_name(format));
+ return AVERROR(ENOSYS);
+ }
+
+ if (s->dir != NPP_TRANSPOSE_CCLOCK_FLIP) {
+ s->stages[STAGE_ROTATE].stage_needed = 1;
+ }
+
+ if (s->dir == NPP_TRANSPOSE_CCLOCK_FLIP || s->dir == NPP_TRANSPOSE_CLOCK_FLIP) {
+ s->stages[STAGE_TRANSPOSE].stage_needed = 1;
+
+ /* Rotating by 180° in case of clock_flip, or not at all for cclock_flip, so width/height unchanged by rotation */
+ rot_width = in_width;
+ rot_height = in_height;
+ }
+
+ s->stages[STAGE_ROTATE].in_fmt = format;
+ s->stages[STAGE_ROTATE].out_fmt = format;
+ s->stages[STAGE_ROTATE].planes_in[0].width = in_width;
+ s->stages[STAGE_ROTATE].planes_in[0].height = in_height;
+ s->stages[STAGE_ROTATE].planes_out[0].width = rot_width;
+ s->stages[STAGE_ROTATE].planes_out[0].height = rot_height;
+ s->stages[STAGE_TRANSPOSE].in_fmt = format;
+ s->stages[STAGE_TRANSPOSE].out_fmt = format;
+ s->stages[STAGE_TRANSPOSE].planes_in[0].width = rot_width;
+ s->stages[STAGE_TRANSPOSE].planes_in[0].height = rot_height;
+ s->stages[STAGE_TRANSPOSE].planes_out[0].width = out_width;
+ s->stages[STAGE_TRANSPOSE].planes_out[0].height = out_height;
+
+ /* init the hardware contexts */
+ for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
+ if (!s->stages[i].stage_needed)
+ continue;
+ ret = init_stage(&s->stages[i], in_frames_ctx->device_ref);
+ if (ret < 0)
+ return ret;
+ last_stage = i;
+ }
+
+ if (last_stage >= 0) {
+ ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(s->stages[last_stage].frames_ctx);
+ } else {
+ ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(ctx->inputs[0]->hw_frames_ctx);
+ s->passthrough = 1;
+ }
+
+ if (!ctx->outputs[0]->hw_frames_ctx)
+ return AVERROR(ENOMEM);
+
+ return 0;
+}
+
+static int npptranspose_config_props(AVFilterLink *outlink)
+{
+ AVFilterContext *ctx = outlink->src;
+ AVFilterLink *inlink = ctx->inputs[0];
+ NPPTransposeContext *s = ctx->priv;
+ int ret;
+
+ if ((inlink->w >= inlink->h && s->passthrough == NPP_TRANSPOSE_PT_TYPE_LANDSCAPE) ||
+ (inlink->w <= inlink->h && s->passthrough == NPP_TRANSPOSE_PT_TYPE_PORTRAIT))
+ {
+ if (inlink->hw_frames_ctx) {
+ outlink->hw_frames_ctx = av_buffer_ref(inlink->hw_frames_ctx);
+ if (!outlink->hw_frames_ctx)
+ return AVERROR(ENOMEM);
+ }
+
+ av_log(ctx, AV_LOG_VERBOSE,
+ "w:%d h:%d -> w:%d h:%d (passthrough mode)\n",
+ inlink->w, inlink->h, inlink->w, inlink->h);
+ return 0;
+ } else {
+ s->passthrough = NPP_TRANSPOSE_PT_TYPE_NONE;
+ }
+
+ outlink->w = inlink->h;
+ outlink->h = inlink->w;
+ outlink->sample_aspect_ratio = (AVRational){inlink->sample_aspect_ratio.den, inlink->sample_aspect_ratio.num};
+
+ ret = init_processing_chain(ctx, inlink->w, inlink->h, outlink->w, outlink->h);
+ if (ret < 0)
+ return ret;
+
+ av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -transpose-> w:%d h:%d\n",
+ inlink->w, inlink->h, outlink->w, outlink->h);
+
+ return 0;
+}
+
+static int npptranspose_rotate(AVFilterContext *ctx, NPPTransposeStageContext *stage,
+ AVFrame *out, AVFrame *in)
+{
+ NPPTransposeContext *s = ctx->priv;
+ NppStatus err;
+ int i;
+
+ for (i = 0; i < FF_ARRAY_ELEMS(stage->planes_in) && i < FF_ARRAY_ELEMS(in->data) && in->data[i]; i++) {
+ int iw = stage->planes_in[i].width;
+ int ih = stage->planes_in[i].height;
+ int ow = stage->planes_out[i].width;
+ int oh = stage->planes_out[i].height;
+
+ // nppRotate uses 0,0 as the rotation point
+ // need to shift the image accordingly after rotation
+ // need to substract 1 to get the correct coordinates
+ double angle = s->dir == NPP_TRANSPOSE_CLOCK ? -90.0 : s->dir == NPP_TRANSPOSE_CCLOCK ? 90.0 : 180.0;
+ int shiftw = (s->dir == NPP_TRANSPOSE_CLOCK || s->dir == NPP_TRANSPOSE_CLOCK_FLIP) ? ow - 1 : 0;
+ int shifth = (s->dir == NPP_TRANSPOSE_CCLOCK || s->dir == NPP_TRANSPOSE_CLOCK_FLIP) ? oh - 1 : 0;
+
+ err = nppiRotate_8u_C1R(in->data[i], (NppiSize){ iw, ih },
+ in->linesize[i], (NppiRect){ 0, 0, iw, ih },
+ out->data[i], out->linesize[i],
+ (NppiRect){ 0, 0, ow, oh },
+ angle, shiftw, shifth, NPPI_INTER_NN);
+ if (err != NPP_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "NPP rotate error: %d\n", err);
+ return AVERROR_UNKNOWN;
+ }
+ }
+
+ return 0;
+}
+
+static int npptranspose_transpose(AVFilterContext *ctx, NPPTransposeStageContext *stage,
+ AVFrame *out, AVFrame *in)
+{
+ NppStatus err;
+ int i;
+
+ for (i = 0; i < FF_ARRAY_ELEMS(stage->planes_in) && i < FF_ARRAY_ELEMS(in->data) && in->data[i]; i++) {
+ int iw = stage->planes_in[i].width;
+ int ih = stage->planes_in[i].height;
+
+ err = nppiTranspose_8u_C1R(in->data[i], in->linesize[i],
+ out->data[i], out->linesize[i],
+ (NppiSize){ iw, ih });
+ if (err != NPP_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "NPP transpose error: %d\n", err);
+ return AVERROR_UNKNOWN;
+ }
+ }
+
+ return 0;
+}
+
+static int (*const npptranspose_process[])(AVFilterContext *ctx, NPPTransposeStageContext *stage,
+ AVFrame *out, AVFrame *in) = {
+ [STAGE_ROTATE] = npptranspose_rotate,
+ [STAGE_TRANSPOSE] = npptranspose_transpose
+};
+
+static int npptranspose_filter(AVFilterContext *ctx, AVFrame *out, AVFrame *in)
+{
+ NPPTransposeContext *s = ctx->priv;
+ AVFrame *src = in;
+ int i, ret, last_stage = -1;
+
+ for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
+ if (!s->stages[i].stage_needed)
+ continue;
+
+ ret = npptranspose_process[i](ctx, &s->stages[i], s->stages[i].frame, src);
+ if (ret < 0)
+ return ret;
+
+ src = s->stages[i].frame;
+ last_stage = i;
+ }
+
+ if (last_stage < 0)
+ return AVERROR_BUG;
+
+ ret = av_hwframe_get_buffer(src->hw_frames_ctx, s->tmp_frame, 0);
+ if (ret < 0)
+ return ret;
+
+ av_frame_move_ref(out, src);
+ av_frame_move_ref(src, s->tmp_frame);
+
+ ret = av_frame_copy_props(out, in);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int npptranspose_filter_frame(AVFilterLink *link, AVFrame *in)
+{
+ AVFilterContext *ctx = link->dst;
+ NPPTransposeContext *s = ctx->priv;
+ AVFilterLink *outlink = ctx->outputs[0];
+ AVHWFramesContext *frames_ctx = (AVHWFramesContext*)outlink->hw_frames_ctx->data;
+ AVCUDADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
+ AVFrame *out = NULL;
+ CUresult err;
+ CUcontext dummy;
+ int ret = 0;
+
+ if (s->passthrough)
+ return ff_filter_frame(outlink, in);
+
+ out = av_frame_alloc();
+ if (!out) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ err = device_hwctx->internal->cuda_dl->cuCtxPushCurrent(device_hwctx->cuda_ctx);
+ if (err != CUDA_SUCCESS) {
+ ret = AVERROR_UNKNOWN;
+ goto fail;
+ }
+
+ ret = npptranspose_filter(ctx, out, in);
+
+ device_hwctx->internal->cuda_dl->cuCtxPopCurrent(&dummy);
+ if (ret < 0)
+ goto fail;
+
+ av_frame_free(&in);
+
+ return ff_filter_frame(outlink, out);
+
+fail:
+ av_frame_free(&in);
+ av_frame_free(&out);
+ return ret;
+}
+
+#define OFFSET(x) offsetof(NPPTransposeContext, x)
+#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
+
+static const AVOption options[] = {
+ { "dir", "set transpose direction", OFFSET(dir), AV_OPT_TYPE_INT, { .i64 = NPP_TRANSPOSE_CCLOCK_FLIP }, 0, 3, FLAGS, "dir" },
+ { "cclock_flip", "rotate counter-clockwise with vertical flip", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_CCLOCK_FLIP }, 0, 0, FLAGS, "dir" },
+ { "clock", "rotate clockwise", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_CLOCK }, 0, 0, FLAGS, "dir" },
+ { "cclock", "rotate counter-clockwise", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_CCLOCK }, 0, 0, FLAGS, "dir" },
+ { "clock_flip", "rotate clockwise with vertical flip", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_CLOCK_FLIP }, 0, 0, FLAGS, "dir" },
+ { "passthrough", "do not apply transposition if the input matches the specified geometry", OFFSET(passthrough), AV_OPT_TYPE_INT, { .i64 = NPP_TRANSPOSE_PT_TYPE_NONE }, 0, 2, FLAGS, "passthrough" },
+ { "none", "always apply transposition", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_PT_TYPE_NONE }, 0, 0, FLAGS, "passthrough" },
+ { "landscape", "preserve landscape geometry", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_PT_TYPE_LANDSCAPE }, 0, 0, FLAGS, "passthrough" },
+ { "portrait", "preserve portrait geometry", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_PT_TYPE_PORTRAIT }, 0, 0, FLAGS, "passthrough" },
+ { NULL },
+};
+
+static const AVClass npptranspose_class = {
+ .class_name = "npptranspose",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVFilterPad npptranspose_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .filter_frame = npptranspose_filter_frame,
+ },
+ { NULL }
+};
+
+static const AVFilterPad npptranspose_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .config_props = npptranspose_config_props,
+ },
+ { NULL }
+};
+
+AVFilter ff_vf_transpose_npp = {
+ .name = "transpose_npp",
+ .description = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video transpose"),
+ .init = npptranspose_init,
+ .uninit = npptranspose_uninit,
+ .query_formats = npptranspose_query_formats,
+ .priv_size = sizeof(NPPTransposeContext),
+ .priv_class = &npptranspose_class,
+ .inputs = npptranspose_inputs,
+ .outputs = npptranspose_outputs,
+ .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
+};
--
2.17.0
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