/*
* 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 <string.h>
#include "libavutil/avassert.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "transpose.h"
#include "vaapi_vpp.h"
typedef struct TransposeVAAPIContext {
VAAPIVPPContext vpp_ctx; // must be the first field
int passthrough; // PassthroughType, landscape passthrough mode enabled
int dir; // TransposeDir
int rotation_state;
int mirror_state;
} TransposeVAAPIContext;
static int transpose_vaapi_build_filter_params(AVFilterContext *avctx)
{
VAAPIVPPContext *vpp_ctx = avctx->priv;
TransposeVAAPIContext *ctx = avctx->priv;
VAStatus vas;
int support_flag;
VAProcPipelineCaps pipeline_caps;
memset(&pipeline_caps, 0, sizeof(pipeline_caps));
vas = vaQueryVideoProcPipelineCaps(vpp_ctx->hwctx->display,
vpp_ctx->va_context,
NULL, 0,
&pipeline_caps);
if (vas != VA_STATUS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "Failed to query pipeline "
"caps: %d (%s).\n", vas, vaErrorStr(vas));
return AVERROR(EIO);
}
if (!pipeline_caps.rotation_flags) {
av_log(avctx, AV_LOG_ERROR, "VAAPI driver doesn't support transpose\n");
return AVERROR(EINVAL);
}
switch (ctx->dir) {
case TRANSPOSE_CCLOCK_FLIP:
ctx->rotation_state = VA_ROTATION_270;
ctx->mirror_state = VA_MIRROR_VERTICAL;
break;
case TRANSPOSE_CLOCK:
ctx->rotation_state = VA_ROTATION_90;
ctx->mirror_state = VA_MIRROR_NONE;
break;
case TRANSPOSE_CCLOCK:
ctx->rotation_state = VA_ROTATION_270;
ctx->mirror_state = VA_MIRROR_NONE;
break;
case TRANSPOSE_CLOCK_FLIP:
ctx->rotation_state = VA_ROTATION_90;
ctx->mirror_state = VA_MIRROR_VERTICAL;
break;
case TRANSPOSE_REVERSAL:
ctx->rotation_state = VA_ROTATION_180;
ctx->mirror_state = VA_MIRROR_NONE;
break;
case TRANSPOSE_HFLIP:
ctx->rotation_state = VA_ROTATION_NONE;
ctx->mirror_state = VA_MIRROR_HORIZONTAL;
break;
case TRANSPOSE_VFLIP:
ctx->rotation_state = VA_ROTATION_NONE;
ctx->mirror_state = VA_MIRROR_VERTICAL;
break;
default:
av_log(avctx, AV_LOG_ERROR, "Failed to set direction to %d\n", ctx->dir);
return AVERROR(EINVAL);
}
if (VA_ROTATION_NONE != ctx->rotation_state) {
support_flag = pipeline_caps.rotation_flags & (1 << ctx->rotation_state);
if (!support_flag) {
av_log(avctx, AV_LOG_ERROR, "VAAPI driver doesn't support rotation %d\n",
ctx->rotation_state);
return AVERROR(EINVAL);
}
}
if (VA_MIRROR_NONE != ctx->mirror_state) {
support_flag = pipeline_caps.mirror_flags & ctx->mirror_state;
if (!support_flag) {
av_log(avctx, AV_LOG_ERROR, "VAAPI driver doesn't support mirror %d\n",
ctx->mirror_state);
return AVERROR(EINVAL);
}
}
return 0;
}
static int transpose_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
{
AVFilterContext *avctx = inlink->dst;
AVFilterLink *outlink = avctx->outputs[0];
VAAPIVPPContext *vpp_ctx = avctx->priv;
TransposeVAAPIContext *ctx = avctx->priv;
AVFrame *output_frame = NULL;
VAProcPipelineParameterBuffer params;
int err;
if (ctx->passthrough)
return ff_filter_frame(outlink, input_frame);
av_log(avctx, AV_LOG_DEBUG, "Filter input: %s, %ux%u (%"PRId64").\n",
av_get_pix_fmt_name(input_frame->format),
input_frame->width, input_frame->height, input_frame->pts);
if (vpp_ctx->va_context == VA_INVALID_ID)
return AVERROR(EINVAL);
output_frame = ff_get_video_buffer(outlink, vpp_ctx->output_width,
vpp_ctx->output_height);
if (!output_frame) {
err = AVERROR(ENOMEM);
goto fail;
}
err = av_frame_copy_props(output_frame, input_frame);
if (err < 0)
return err;
err = ff_vaapi_vpp_init_params(avctx, ¶ms,
input_frame, output_frame);
if (err < 0)
goto fail;
params.rotation_state = ctx->rotation_state;
params.mirror_state = ctx->mirror_state;
err = ff_vaapi_vpp_render_picture(avctx, ¶ms, output_frame);
if (err < 0)
goto fail;
av_frame_free(&input_frame);
av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",
av_get_pix_fmt_name(output_frame->format),
output_frame->width, output_frame->height, output_frame->pts);
return ff_filter_frame(outlink, output_frame);
fail:
av_frame_free(&input_frame);
av_frame_free(&output_frame);
return err;
}
static av_cold int transpose_vaapi_init(AVFilterContext *avctx)
{
VAAPIVPPContext *vpp_ctx = avctx->priv;
ff_vaapi_vpp_ctx_init(avctx);
vpp_ctx->pipeline_uninit = ff_vaapi_vpp_pipeline_uninit;
vpp_ctx->build_filter_params = transpose_vaapi_build_filter_params;
vpp_ctx->output_format = AV_PIX_FMT_NONE;
return 0;
}
static int transpose_vaapi_vpp_config_output(AVFilterLink *outlink)
{
AVFilterContext *avctx = outlink->src;
VAAPIVPPContext *vpp_ctx = avctx->priv;
TransposeVAAPIContext *ctx = avctx->priv;
AVFilterLink *inlink = avctx->inputs[0];
if ((inlink->w >= inlink->h && ctx->passthrough == TRANSPOSE_PT_TYPE_LANDSCAPE) ||
(inlink->w <= inlink->h && ctx->passthrough == TRANSPOSE_PT_TYPE_PORTRAIT)) {
outlink->hw_frames_ctx = av_buffer_ref(inlink->hw_frames_ctx);
if (!outlink->hw_frames_ctx)
return AVERROR(ENOMEM);
av_log(avctx, AV_LOG_VERBOSE,
"w:%d h:%d -> w:%d h:%d (passthrough mode)\n",
inlink->w, inlink->h, inlink->w, inlink->h);
return 0;
}
ctx->passthrough = TRANSPOSE_PT_TYPE_NONE;
switch (ctx->dir) {
case TRANSPOSE_CCLOCK_FLIP:
case TRANSPOSE_CCLOCK:
case TRANSPOSE_CLOCK:
case TRANSPOSE_CLOCK_FLIP:
vpp_ctx->output_width = avctx->inputs[0]->h;
vpp_ctx->output_height = avctx->inputs[0]->w;
av_log(avctx, AV_LOG_DEBUG, "swap width and height for clock/cclock rotation\n");
break;
default:
break;
}
return ff_vaapi_vpp_config_output(outlink);
}
static AVFrame *get_video_buffer(AVFilterLink *inlink, int w, int h)
{
TransposeVAAPIContext *ctx = inlink->dst->priv;
return ctx->passthrough ?
ff_null_get_video_buffer(inlink, w, h) :
ff_default_get_video_buffer(inlink, w, h);
}
#define OFFSET(x) offsetof(TransposeVAAPIContext, x)
#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM)
static const AVOption transpose_vaapi_options[] = {
{ "dir", "set transpose direction", OFFSET(dir), AV_OPT_TYPE_INT, { .i64 = TRANSPOSE_CCLOCK_FLIP }, 0, 6, FLAGS, "dir" },
{ "cclock_flip", "rotate counter-clockwise with vertical flip", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CCLOCK_FLIP }, .flags=FLAGS, .unit = "dir" },
{ "clock", "rotate clockwise", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CLOCK }, .flags=FLAGS, .unit = "dir" },
{ "cclock", "rotate counter-clockwise", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CCLOCK }, .flags=FLAGS, .unit = "dir" },
{ "clock_flip", "rotate clockwise with vertical flip", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CLOCK_FLIP }, .flags=FLAGS, .unit = "dir" },
{ "reversal", "rotate by half-turn", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_REVERSAL }, .flags=FLAGS, .unit = "dir" },
{ "hflip", "flip horizontally", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_HFLIP }, .flags=FLAGS, .unit = "dir" },
{ "vflip", "flip vertically", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_VFLIP }, .flags=FLAGS, .unit = "dir" },
{ "passthrough", "do not apply transposition if the input matches the specified geometry",
OFFSET(passthrough), AV_OPT_TYPE_INT, {.i64=TRANSPOSE_PT_TYPE_NONE}, 0, INT_MAX, FLAGS, "passthrough" },
{ "none", "always apply transposition", 0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_NONE}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
{ "portrait", "preserve portrait geometry", 0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_PORTRAIT}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
{ "landscape", "preserve landscape geometry", 0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_LANDSCAPE}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
{ NULL }
};
AVFILTER_DEFINE_CLASS(transpose_vaapi);
static const AVFilterPad transpose_vaapi_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = &transpose_vaapi_filter_frame,
.get_video_buffer = get_video_buffer,
.config_props = &ff_vaapi_vpp_config_input,
},
{ NULL }
};
static const AVFilterPad transpose_vaapi_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = &transpose_vaapi_vpp_config_output,
},
{ NULL }
};
AVFilter ff_vf_transpose_vaapi = {
.name = "transpose_vaapi",
.description = NULL_IF_CONFIG_SMALL("VAAPI VPP for transpose"),
.priv_size = sizeof(TransposeVAAPIContext),
.init = &transpose_vaapi_init,
.uninit = &ff_vaapi_vpp_ctx_uninit,
.query_formats = &ff_vaapi_vpp_query_formats,
.inputs = transpose_vaapi_inputs,
.outputs = transpose_vaapi_outputs,
.priv_class = &transpose_vaapi_class,
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
};