| Message ID | 20230119083006.3697233-1-haihao.xiang@intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | [FFmpeg-devel] avfilter: add VA-API variants of the stack filters | expand |
| Context | Check | Description |
|---|---|---|
| andriy/make_x86 | success | Make finished |
| andriy/make_fate_x86 | success | Make fate finished |
On Do, 2023-01-19 at 16:30 +0800, Xiang, Haihao wrote: > From: Haihao Xiang <haihao.xiang@intel.com> > > Include hstack_vaapi, vstack_vaapi and xstack_vaapi. They may accept > input streams with different sizes. libva2 (VA-API 1.0+) is required. > > Example: > $ ffmpeg -hwaccel vaapi -hwaccel_output_format vaapi -i input.h265 > -filter_complex > "[0:v][0:v]hstack_vaapi" -c:v h264_vaapi out.h264 > > $ ffmpeg \ > -hwaccel vaapi -hwaccel_output_format vaapi -i input.h264 \ > -hwaccel vaapi -hwaccel_output_format vaapi -i input.h264 \ > -hwaccel vaapi -hwaccel_output_format vaapi -i input.h264 \ > -hwaccel vaapi -hwaccel_output_format vaapi -i input.h264 \ > -filter_complex > "[0:v][1:v][2:v][3:v]xstack_vaapi=inputs=4:fill=0x000000:layout=0_0_1920x1080| > w0_0_1920x1080|0_h0_1920x1080|w0_h0_1920x1080" \ > -c:v hevc_vaapi out.h265 > > Signed-off-by: Haihao Xiang <haihao.xiang@intel.com> > --- > Changelog | 1 + > configure | 3 + > doc/filters.texi | 81 +++++ > libavfilter/Makefile | 3 + > libavfilter/allfilters.c | 3 + > libavfilter/version.h | 2 +- > libavfilter/vf_stack_vaapi.c | 574 +++++++++++++++++++++++++++++++++++ > 7 files changed, 666 insertions(+), 1 deletion(-) > create mode 100644 libavfilter/vf_stack_vaapi.c > > diff --git a/Changelog b/Changelog > index 5c01e8365e..a6c0a08433 100644 > --- a/Changelog > +++ b/Changelog > @@ -29,6 +29,7 @@ version <next>: > - corr video filter > - adrc audio filter > - afdelaysrc audio filter > +- hstack_vaapi, vstack_vaapi and xstack_vaapi filters > > > version 5.1: > diff --git a/configure b/configure > index 6e88c32223..a4620b1005 100755 > --- a/configure > +++ b/configure > @@ -3765,6 +3765,9 @@ xfade_opencl_filter_deps="opencl" > yadif_cuda_filter_deps="ffnvcodec" > yadif_cuda_filter_deps_any="cuda_nvcc cuda_llvm" > yadif_videotoolbox_filter_deps="metal corevideo videotoolbox" > +hstack_vaapi_filter_deps="vaapi_1" > +vstack_vaapi_filter_deps="vaapi_1" > +xstack_vaapi_filter_deps="vaapi_1" > > # examples > avio_list_dir_deps="avformat avutil" > diff --git a/doc/filters.texi b/doc/filters.texi > index be70a2396b..89c8420f7f 100644 > --- a/doc/filters.texi > +++ b/doc/filters.texi > @@ -14915,6 +14915,7 @@ Set the scaling dimension: @code{2} for @code{hq2x}, > @code{3} for > Default is @code{3}. > @end table > > +@anchor{hstack} > @section hstack > Stack input videos horizontally. > > @@ -24366,6 +24367,7 @@ Example: > ffmpeg -i ref.mpg -vf vmafmotion -f null - > @end example > > +@anchor{vstack} > @section vstack > Stack input videos vertically. > > @@ -24847,6 +24849,7 @@ minimum values, and @code{1} maximum values. > > This filter supports all above options as @ref{commands}, excluding option > @code{inputs}. > > +@anchor{xstack} > @section xstack > Stack video inputs into custom layout. > > @@ -26663,6 +26666,84 @@ tonemap_vaapi=format=p010:t=bt2020-10 > @end example > @end itemize > > +@section hstack_vaapi > +Stack input videos horizontally. > + > +This is the VA-API variant of the @ref{hstack} filter, each input stream may > +have different height, this filter will scale down/up each input stream while > +keeping the orignal aspect. > + > +It accepts the following options: > + > +@table @option > +@item inputs > +See @ref{hstack}. > + > +@item shortest > +See @ref{hstack}. > + > +@item height > +Set height of output. If set to 0, this filter will set height of output to > +height of the first input stream. Default value is 0. > +@end table > + > +@section vstack_vaapi > +Stack input videos vertically. > + > +This is the VA-API variant of the @ref{vstack} filter, each input stream may > +have different width, this filter will scale down/up each input stream while > +keeping the orignal aspect. > + > +It accepts the following options: > + > +@table @option > +@item inputs > +See @ref{vstack}. > + > +@item shortest > +See @ref{vstack}. > + > +@item width > +Set width of output. If set to 0, this filter will set width of output to > +width of the first input stream. Default value is 0. > +@end table > + > +@section xstack_vaapi > +Stack video inputs into custom layout. > + > +This is the VA-API variant of the @ref{xstack} filter, each input stream may > +have different size, this filter will scale down/up each input stream to the > +given output size, or the size of the first input stream. > + > +It accepts the following options: > + > +@table @option > +@item inputs > +See @ref{xstack}. > + > +@item shortest > +See @ref{xstack}. > + > +@item layout > +See @ref{xstack}. > +Moreover, this permits the user to supply output size for each input stream. > +@example > +xstack_vaapi=inputs=4:layout=0_0_1920x1080|0_h0_1920x1080|w0_0_1920x1080|w0_h > 0_1920x1080 > +@end example > + > +@item grid > +See @ref{xstack}. > + > +@item grid_tile_size > +Set output size for each input stream when @option{grid} is set. If this > option > +is not set, this filter will set output size by default to the size of the > +first input stream. For the syntax of this option, check the > +@ref{video size syntax,,"Video size" section in the ffmpeg-utils > manual,ffmpeg-utils}. > + > +@item fill > +See @ref{xstack}. > +@end table > + > @c man end VAAPI VIDEO FILTERS > > @chapter Video Sources > diff --git a/libavfilter/Makefile b/libavfilter/Makefile > index 211ff4daaa..a6f32b0e3e 100644 > --- a/libavfilter/Makefile > +++ b/libavfilter/Makefile > @@ -557,6 +557,9 @@ OBJS-$(CONFIG_YAEPBLUR_FILTER) += > vf_yaepblur.o > OBJS-$(CONFIG_ZMQ_FILTER) += f_zmq.o > OBJS-$(CONFIG_ZOOMPAN_FILTER) += vf_zoompan.o > OBJS-$(CONFIG_ZSCALE_FILTER) += vf_zscale.o > +OBJS-$(CONFIG_HSTACK_VAAPI_FILTER) += vf_stack_vaapi.o framesync.o > vaapi_vpp.o > +OBJS-$(CONFIG_VSTACK_VAAPI_FILTER) += vf_stack_vaapi.o framesync.o > vaapi_vpp.o > +OBJS-$(CONFIG_XSTACK_VAAPI_FILTER) += vf_stack_vaapi.o framesync.o > vaapi_vpp.o > > OBJS-$(CONFIG_ALLRGB_FILTER) += vsrc_testsrc.o > OBJS-$(CONFIG_ALLYUV_FILTER) += vsrc_testsrc.o > diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c > index 1ab3c8319a..bd1c14dccd 100644 > --- a/libavfilter/allfilters.c > +++ b/libavfilter/allfilters.c > @@ -522,6 +522,9 @@ extern const AVFilter ff_vf_yaepblur; > extern const AVFilter ff_vf_zmq; > extern const AVFilter ff_vf_zoompan; > extern const AVFilter ff_vf_zscale; > +extern const AVFilter ff_vf_hstack_vaapi; > +extern const AVFilter ff_vf_vstack_vaapi; > +extern const AVFilter ff_vf_xstack_vaapi; > > extern const AVFilter ff_vsrc_allrgb; > extern const AVFilter ff_vsrc_allyuv; > diff --git a/libavfilter/version.h b/libavfilter/version.h > index a56ba3bb6d..09b9954597 100644 > --- a/libavfilter/version.h > +++ b/libavfilter/version.h > @@ -31,7 +31,7 @@ > > #include "version_major.h" > > -#define LIBAVFILTER_VERSION_MINOR 54 > +#define LIBAVFILTER_VERSION_MINOR 55 > #define LIBAVFILTER_VERSION_MICRO 100 > > > diff --git a/libavfilter/vf_stack_vaapi.c b/libavfilter/vf_stack_vaapi.c > new file mode 100644 > index 0000000000..403fbb19eb > --- /dev/null > +++ b/libavfilter/vf_stack_vaapi.c > @@ -0,0 +1,574 @@ > +/* > + * 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 > + */ > + > +/** > + * @file > + * Hardware accelerated hstack, vstack and xstack filters based on VA-API > + */ > + > +#include "config_components.h" > + > +#include "libavutil/opt.h" > +#include "libavutil/common.h" > +#include "libavutil/pixdesc.h" > +#include "libavutil/eval.h" > +#include "libavutil/hwcontext.h" > +#include "libavutil/avstring.h" > +#include "libavutil/avassert.h" > +#include "libavutil/imgutils.h" > +#include "libavutil/mathematics.h" > +#include "libavutil/parseutils.h" > +#include "libavutil/mem.h" > + > +#include "internal.h" > +#include "filters.h" > +#include "formats.h" > +#include "video.h" > +#include "framesync.h" > +#include "vaapi_vpp.h" > + > +#define OFFSET(x) offsetof(StackVAAPIContext, x) > +#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM) > + > +enum { > + STACK_VAAPI_H = 0, > + STACK_VAAPI_V = 1, > + STACK_VAAPI_X = 2 > +}; > + > +typedef struct StackVAAPIContext { > + VAAPIVPPContext vppctx; /**< must be the first field */ > + > + FFFrameSync fs; > + int mode; > + VARectangle *rects; > + uint8_t fillcolor[4]; > + int fillcolor_enable; > + > + /* Options */ > + int nb_inputs; > + int shortest; > + int tile_width; > + int tile_height; > + int nb_grid_columns; > + int nb_grid_rows; > + char *layout; > + char *fillcolor_str; > +} StackVAAPIContext; > + > +static int process_frame(FFFrameSync *fs) > +{ > + AVFilterContext *avctx = fs->parent; > + AVFilterLink *outlink = avctx->outputs[0]; > + StackVAAPIContext *sctx = fs->opaque; > + VAAPIVPPContext *vppctx = fs->opaque; > + AVFrame *oframe, *iframe; > + VAProcPipelineParameterBuffer *params = NULL; > + VARectangle *irect = NULL; > + int ret = 0; > + > + if (vppctx->va_context == VA_INVALID_ID) > + return AVERROR(EINVAL); > + > + oframe = ff_get_video_buffer(outlink, outlink->w, outlink->h); > + if (!oframe) > + return AVERROR(ENOMEM); > + > + irect = av_calloc(avctx->nb_inputs, sizeof(*irect)); > + params = av_calloc(avctx->nb_inputs, sizeof(*params)); > + if (!irect || !params) { > + ret = AVERROR(ENOMEM); > + goto fail; > + } > + > + for (int i = 0; i < avctx->nb_inputs; i++) { > + ret = ff_framesync_get_frame(fs, i, &iframe, 0); > + if (ret) > + goto fail; > + > + if (i == 0) { > + ret = av_frame_copy_props(oframe, iframe); > + if (ret < 0) > + goto fail; > + } > + > + ret = ff_vaapi_vpp_init_params(avctx, ¶ms[i], iframe, oframe); > + if (ret) > + goto fail; > + > + av_log(avctx, AV_LOG_DEBUG, "stack input %d: %s, %ux%u > (%"PRId64").\n", > + i, av_get_pix_fmt_name(iframe->format), > + iframe->width, iframe->height, iframe->pts); > + irect[i].x = 0; > + irect[i].y = 0; > + irect[i].width = iframe->width; > + irect[i].height = iframe->height; > + params[i].surface_region = &irect[i]; > + params[i].surface = (VASurfaceID)(uintptr_t)iframe->data[3]; > + params[i].output_region = &sctx->rects[i]; > + > + if (sctx->fillcolor_enable) > + params[i].output_background_color = (sctx->fillcolor[3] << 24 | > + sctx->fillcolor[0] << 16 | > + sctx->fillcolor[1] << 8 | > + sctx->fillcolor[2]); > + } > + > + oframe->pts = av_rescale_q(sctx->fs.pts, sctx->fs.time_base, outlink- > >time_base); > + oframe->sample_aspect_ratio = outlink->sample_aspect_ratio; > + > + ret = ff_vaapi_vpp_render_pictures(avctx, params, avctx->nb_inputs, > oframe); > + if (ret) > + goto fail; > + > + av_freep(&irect); > + av_freep(¶ms); > + return ff_filter_frame(outlink, oframe); > + > +fail: > + av_freep(&irect); > + av_freep(¶ms); > + av_frame_free(&oframe); > + return ret; > +} > + > +static int init_framesync(AVFilterContext *avctx) > +{ > + StackVAAPIContext *sctx = avctx->priv; > + int ret; > + > + ret = ff_framesync_init(&sctx->fs, avctx, avctx->nb_inputs); > + if (ret < 0) > + return ret; > + > + sctx->fs.on_event = process_frame; > + sctx->fs.opaque = sctx; > + > + for (int i = 0; i < sctx->nb_inputs; i++) { > + FFFrameSyncIn *in = &sctx->fs.in[i]; > + > + in->before = EXT_STOP; > + in->after = sctx->shortest ? EXT_STOP : EXT_INFINITY; > + in->sync = 1; > + in->time_base = avctx->inputs[i]->time_base; > + } > + > + return ff_framesync_configure(&sctx->fs); > +} > + > +#define SET_INPUT_REGION(rect, rx, ry, rw, rh) do { \ > + rect->x = rx; \ > + rect->y = ry; \ > + rect->width = rw; \ > + rect->height = rh; \ > + } while (0) > + > +static int config_output(AVFilterLink *outlink) > +{ > + AVFilterContext *avctx = outlink->src; > + StackVAAPIContext *sctx = avctx->priv; > + VAAPIVPPContext *vppctx = avctx->priv; > + AVFilterLink *inlink0 = avctx->inputs[0]; > + AVHWFramesContext *hwfc0 = NULL; > + int width, height, ret; > + > + if (inlink0->format != AV_PIX_FMT_VAAPI || !inlink0->hw_frames_ctx || > !inlink0->hw_frames_ctx->data) { > + av_log(avctx, AV_LOG_ERROR, "Software pixel format is not > supported.\n"); > + return AVERROR(EINVAL); > + } > + > + hwfc0 = (AVHWFramesContext *)inlink0->hw_frames_ctx->data; > + > + for (int i = 1; i < sctx->nb_inputs; i++) { > + AVFilterLink *inlink = avctx->inputs[i]; > + AVHWFramesContext *hwfc = NULL; > + > + if (inlink->format != AV_PIX_FMT_VAAPI || !inlink->hw_frames_ctx || > !inlink->hw_frames_ctx->data) { > + av_log(avctx, AV_LOG_ERROR, "Software pixel format is not > supported.\n"); > + return AVERROR(EINVAL); > + } > + > + hwfc = (AVHWFramesContext *)inlink->hw_frames_ctx->data; > + > + if (hwfc0->sw_format != hwfc->sw_format) { > + av_log(avctx, AV_LOG_ERROR, "All inputs should have the same > underlying software pixel format.\n"); > + return AVERROR(EINVAL); > + } > + > + if (hwfc0->device_ctx != hwfc->device_ctx) { > + av_log(avctx, AV_LOG_ERROR, "All inputs should have the same > underlying vaapi devices.\n"); > + return AVERROR(EINVAL); > + } > + } > + > + ff_vaapi_vpp_config_input(inlink0); > + vppctx->output_format = hwfc0->sw_format; > + > + if (sctx->mode == STACK_VAAPI_H) { > + height = sctx->tile_height; > + width = 0; > + > + if (!height) > + height = inlink0->h; > + > + for (int i = 0; i < sctx->nb_inputs; i++) { > + AVFilterLink *inlink = avctx->inputs[i]; > + VARectangle *rect = &sctx->rects[i]; > + > + SET_INPUT_REGION(rect, width, 0, av_rescale(height, inlink->w, > inlink->h), height); > + width += av_rescale(height, inlink->w, inlink->h); > + } > + } else if (sctx->mode == STACK_VAAPI_V) { > + height = 0; > + width = sctx->tile_width; > + > + if (!width) > + width = inlink0->w; > + > + for (int i = 0; i < sctx->nb_inputs; i++) { > + AVFilterLink *inlink = avctx->inputs[i]; > + VARectangle *rect = &sctx->rects[i]; > + > + SET_INPUT_REGION(rect, 0, height, width, av_rescale(width, > inlink->h, inlink->w)); > + height += av_rescale(width, inlink->h, inlink->w); > + } > + } else if (sctx->nb_grid_rows && sctx->nb_grid_columns) { > + int xpos = 0, ypos = 0; > + int ow, oh, k = 0; > + > + ow = sctx->tile_width; > + oh = sctx->tile_height; > + > + if (!ow || !oh) { > + ow = avctx->inputs[0]->w; > + oh = avctx->inputs[0]->h; > + } > + > + for (int i = 0; i < sctx->nb_grid_columns; i++) { > + ypos = 0; > + > + for (int j = 0; j < sctx->nb_grid_rows; j++) { > + VARectangle *rect = &sctx->rects[k++]; > + > + SET_INPUT_REGION(rect, xpos, ypos, ow, oh); > + ypos += oh; > + } > + > + xpos += ow; > + } > + > + width = ow * sctx->nb_grid_columns; > + height = oh * sctx->nb_grid_rows; > + } else { > + char *arg, *p = sctx->layout, *saveptr = NULL; > + char *arg2, *p2, *saveptr2 = NULL; > + char *arg3, *p3, *saveptr3 = NULL; > + int xpos, ypos, size; > + int ow, oh; > + > + width = avctx->inputs[0]->w; > + height = avctx->inputs[0]->h; > + > + for (int i = 0; i < sctx->nb_inputs; i++) { > + AVFilterLink *inlink = avctx->inputs[i]; > + VARectangle *rect = &sctx->rects[i]; > + > + ow = inlink->w; > + oh = inlink->h; > + > + if (!(arg = av_strtok(p, "|", &saveptr))) > + return AVERROR(EINVAL); > + > + p = NULL; > + p2 = arg; > + xpos = ypos = 0; > + > + for (int j = 0; j < 3; j++) { > + if (!(arg2 = av_strtok(p2, "_", &saveptr2))) { > + if (j == 2) > + break; > + else > + return AVERROR(EINVAL); > + } > + > + p2 = NULL; > + p3 = arg2; > + > + if (j == 2) { > + if ((ret = av_parse_video_size(&ow, &oh, p3)) < 0) { > + av_log(avctx, AV_LOG_ERROR, "Invalid size '%s'\n", > p3); > + return ret; > + } > + > + break; > + } > + > + while ((arg3 = av_strtok(p3, "+", &saveptr3))) { > + p3 = NULL; > + if (sscanf(arg3, "w%d", &size) == 1) { > + if (size == i || size < 0 || size >= sctx->nb_inputs) > + return AVERROR(EINVAL); > + > + if (!j) > + xpos += sctx->rects[size].width; > + else > + ypos += sctx->rects[size].width; > + } else if (sscanf(arg3, "h%d", &size) == 1) { > + if (size == i || size < 0 || size >= sctx->nb_inputs) > + return AVERROR(EINVAL); > + > + if (!j) > + xpos += sctx->rects[size].height; > + else > + ypos += sctx->rects[size].height; > + } else if (sscanf(arg3, "%d", &size) == 1) { > + if (size < 0) > + return AVERROR(EINVAL); > + > + if (!j) > + xpos += size; > + else > + ypos += size; > + } else { > + return AVERROR(EINVAL); > + } > + } > + } > + > + SET_INPUT_REGION(rect, xpos, ypos, ow, oh); > + width = FFMAX(width, xpos + ow); > + height = FFMAX(height, ypos + oh); > + } > + > + } > + > + outlink->w = width; > + outlink->h = height; > + outlink->frame_rate = inlink0->frame_rate; > + outlink->sample_aspect_ratio = inlink0->sample_aspect_ratio; > + > + for (int i = 1; i < sctx->nb_inputs; i++) { > + AVFilterLink *inlink = avctx->inputs[i]; > + if (outlink->frame_rate.num != inlink->frame_rate.num || > + outlink->frame_rate.den != inlink->frame_rate.den) { > + av_log(avctx, AV_LOG_VERBOSE, > + "Video inputs have different frame rates, output will be > VFR\n"); > + outlink->frame_rate = av_make_q(1, 0); > + break; > + } > + } > + > + ret = init_framesync(avctx); > + if (ret < 0) > + return ret; > + > + outlink->time_base = sctx->fs.time_base; > + > + vppctx->output_width = width; > + vppctx->output_height = height; > + > + return ff_vaapi_vpp_config_output(outlink); > +} > + > +static int vaapi_stack_init(AVFilterContext *avctx) > +{ > + StackVAAPIContext *sctx = avctx->priv; > + VAAPIVPPContext *vppctx = avctx->priv; > + int ret; > + > + if (!strcmp(avctx->filter->name, "hstack_vaapi")) > + sctx->mode = STACK_VAAPI_H; > + else if (!strcmp(avctx->filter->name, "vstack_vaapi")) > + sctx->mode = STACK_VAAPI_V; > + else { > + int is_grid; > + > + av_assert0(strcmp(avctx->filter->name, "xstack_vaapi") == 0); > + sctx->mode = STACK_VAAPI_X; > + is_grid = sctx->nb_grid_rows && sctx->nb_grid_columns; > + > + if (sctx->layout && is_grid) { > + av_log(avctx, AV_LOG_ERROR, "Both layout and grid were specified. > Only one is allowed.\n"); > + return AVERROR(EINVAL); > + } > + > + if (!sctx->layout && !is_grid) { > + if (sctx->nb_inputs == 2) { > + sctx->nb_grid_rows = 1; > + sctx->nb_grid_columns = 2; > + is_grid = 1; > + } else { > + av_log(avctx, AV_LOG_ERROR, "No layout or grid > specified.\n"); > + return AVERROR(EINVAL); > + } > + } > + > + if (is_grid) > + sctx->nb_inputs = sctx->nb_grid_rows * sctx->nb_grid_columns; > + > + if (strcmp(sctx->fillcolor_str, "none") && > + av_parse_color(sctx->fillcolor, sctx->fillcolor_str, -1, avctx) > >= 0) { > + sctx->fillcolor_enable = 1; > + } else { > + sctx->fillcolor_enable = 0; > + } > + } > + > + for (int i = 0; i < sctx->nb_inputs; i++) { > + AVFilterPad pad = { 0 }; > + > + pad.type = AVMEDIA_TYPE_VIDEO; > + pad.name = av_asprintf("input%d", i); > + > + if (!pad.name) > + return AVERROR(ENOMEM); > + > + if ((ret = ff_append_inpad_free_name(avctx, &pad)) < 0) > + return ret; > + } > + > + /* stack region */ > + sctx->rects = av_calloc(sctx->nb_inputs, sizeof(*sctx->rects)); > + if (!sctx->rects) > + return AVERROR(ENOMEM); > + > + ff_vaapi_vpp_ctx_init(avctx); > + vppctx->output_format = AV_PIX_FMT_NONE; > + > + return 0; > +} > + > +static av_cold void vaapi_stack_uninit(AVFilterContext *avctx) > +{ > + StackVAAPIContext *sctx = avctx->priv; > + > + ff_framesync_uninit(&sctx->fs); > + av_freep(&sctx->rects); > +} > + > +static int vaapi_stack_activate(AVFilterContext *avctx) > +{ > + StackVAAPIContext *sctx = avctx->priv; > + return ff_framesync_activate(&sctx->fs); > +} > + > +static int vaapi_stack_query_formats(AVFilterContext *avctx) > +{ > + static const enum AVPixelFormat pixel_formats[] = { > + AV_PIX_FMT_VAAPI, > + AV_PIX_FMT_NONE, > + }; > + > + return ff_set_common_formats_from_list(avctx, pixel_formats); > +} > + > +static const AVFilterPad vaapi_stack_outputs[] = { > + { > + .name = "default", > + .type = AVMEDIA_TYPE_VIDEO, > + .config_props = config_output, > + }, > +}; > + > +#define STACK_COMMON_OPTS \ > + { "inputs", "Set number of inputs", OFFSET(nb_inputs), AV_OPT_TYPE_INT, { > .i64 = 2 }, 2, UINT16_MAX, .flags = FLAGS }, \ > + { "shortest", "Force termination when the shortest input terminates", > OFFSET(shortest), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS }, > + > +#if CONFIG_HSTACK_VAAPI_FILTER > + > +static const AVOption hstack_vaapi_options[] = { > + STACK_COMMON_OPTS > + > + { "height", "Set output height (0 to use the height of input 0)", > OFFSET(tile_height), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, FLAGS }, > + { NULL } > +}; > + > +AVFILTER_DEFINE_CLASS(hstack_vaapi); > + > +const AVFilter ff_vf_hstack_vaapi = { > + .name = "hstack_vaapi", > + .description = NULL_IF_CONFIG_SMALL("VA-API hstack."), > + .priv_size = sizeof(StackVAAPIContext), > + .priv_class = &hstack_vaapi_class, > + .init = vaapi_stack_init, > + .uninit = vaapi_stack_uninit, > + .activate = vaapi_stack_activate, > + FILTER_QUERY_FUNC(vaapi_stack_query_formats), > + FILTER_OUTPUTS(vaapi_stack_outputs), > + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, > + .flags = AVFILTER_FLAG_DYNAMIC_INPUTS, > +}; > + > +#endif > + > +#if CONFIG_VSTACK_VAAPI_FILTER > + > +static const AVOption vstack_vaapi_options[] = { > + STACK_COMMON_OPTS > + > + { "width", "Set output width (0 to use the width of input 0)", > OFFSET(tile_width), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, FLAGS }, > + { NULL } > +}; > + > +AVFILTER_DEFINE_CLASS(vstack_vaapi); > + > +const AVFilter ff_vf_vstack_vaapi = { > + .name = "vstack_vaapi", > + .description = NULL_IF_CONFIG_SMALL("VA-API vstack."), > + .priv_size = sizeof(StackVAAPIContext), > + .priv_class = &vstack_vaapi_class, > + .init = vaapi_stack_init, > + .uninit = vaapi_stack_uninit, > + .activate = vaapi_stack_activate, > + FILTER_QUERY_FUNC(vaapi_stack_query_formats), > + FILTER_OUTPUTS(vaapi_stack_outputs), > + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, > + .flags = AVFILTER_FLAG_DYNAMIC_INPUTS, > +}; > + > +#endif > + > +#if CONFIG_XSTACK_VAAPI_FILTER > + > +static const AVOption xstack_vaapi_options[] = { > + STACK_COMMON_OPTS > + > + { "layout", "Set custom layout", OFFSET(layout), AV_OPT_TYPE_STRING, > {.str = NULL}, 0, 0, .flags = FLAGS }, > + { "grid", "set fixed size grid layout", OFFSET(nb_grid_columns), > AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0, .flags = FLAGS }, > + { "grid_tile_size", "set tile size in grid layout", OFFSET(tile_width), > AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0, .flags = FLAGS }, > + { "fill", "Set the color for unused pixels", OFFSET(fillcolor_str), > AV_OPT_TYPE_STRING, {.str = "none"}, .flags = FLAGS }, > + { NULL } > +}; > + > +AVFILTER_DEFINE_CLASS(xstack_vaapi); > + > +const AVFilter ff_vf_xstack_vaapi = { > + .name = "xstack_vaapi", > + .description = NULL_IF_CONFIG_SMALL("VA-API xstack."), > + .priv_size = sizeof(StackVAAPIContext), > + .priv_class = &xstack_vaapi_class, > + .init = vaapi_stack_init, > + .uninit = vaapi_stack_uninit, > + .activate = vaapi_stack_activate, > + FILTER_OUTPUTS(vaapi_stack_outputs), > + FILTER_QUERY_FUNC(vaapi_stack_query_formats), > + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, > + .flags = AVFILTER_FLAG_DYNAMIC_INPUTS, > +}; > + > +#endif I will push it soon if I don't hear anything against it. Thanks Haihao
diff --git a/Changelog b/Changelog index 5c01e8365e..a6c0a08433 100644 --- a/Changelog +++ b/Changelog @@ -29,6 +29,7 @@ version <next>: - corr video filter - adrc audio filter - afdelaysrc audio filter +- hstack_vaapi, vstack_vaapi and xstack_vaapi filters version 5.1: diff --git a/configure b/configure index 6e88c32223..a4620b1005 100755 --- a/configure +++ b/configure @@ -3765,6 +3765,9 @@ xfade_opencl_filter_deps="opencl" yadif_cuda_filter_deps="ffnvcodec" yadif_cuda_filter_deps_any="cuda_nvcc cuda_llvm" yadif_videotoolbox_filter_deps="metal corevideo videotoolbox" +hstack_vaapi_filter_deps="vaapi_1" +vstack_vaapi_filter_deps="vaapi_1" +xstack_vaapi_filter_deps="vaapi_1" # examples avio_list_dir_deps="avformat avutil" diff --git a/doc/filters.texi b/doc/filters.texi index be70a2396b..89c8420f7f 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -14915,6 +14915,7 @@ Set the scaling dimension: @code{2} for @code{hq2x}, @code{3} for Default is @code{3}. @end table +@anchor{hstack} @section hstack Stack input videos horizontally. @@ -24366,6 +24367,7 @@ Example: ffmpeg -i ref.mpg -vf vmafmotion -f null - @end example +@anchor{vstack} @section vstack Stack input videos vertically. @@ -24847,6 +24849,7 @@ minimum values, and @code{1} maximum values. This filter supports all above options as @ref{commands}, excluding option @code{inputs}. +@anchor{xstack} @section xstack Stack video inputs into custom layout. @@ -26663,6 +26666,84 @@ tonemap_vaapi=format=p010:t=bt2020-10 @end example @end itemize +@section hstack_vaapi +Stack input videos horizontally. + +This is the VA-API variant of the @ref{hstack} filter, each input stream may +have different height, this filter will scale down/up each input stream while +keeping the orignal aspect. + +It accepts the following options: + +@table @option +@item inputs +See @ref{hstack}. + +@item shortest +See @ref{hstack}. + +@item height +Set height of output. If set to 0, this filter will set height of output to +height of the first input stream. Default value is 0. +@end table + +@section vstack_vaapi +Stack input videos vertically. + +This is the VA-API variant of the @ref{vstack} filter, each input stream may +have different width, this filter will scale down/up each input stream while +keeping the orignal aspect. + +It accepts the following options: + +@table @option +@item inputs +See @ref{vstack}. + +@item shortest +See @ref{vstack}. + +@item width +Set width of output. If set to 0, this filter will set width of output to +width of the first input stream. Default value is 0. +@end table + +@section xstack_vaapi +Stack video inputs into custom layout. + +This is the VA-API variant of the @ref{xstack} filter, each input stream may +have different size, this filter will scale down/up each input stream to the +given output size, or the size of the first input stream. + +It accepts the following options: + +@table @option +@item inputs +See @ref{xstack}. + +@item shortest +See @ref{xstack}. + +@item layout +See @ref{xstack}. +Moreover, this permits the user to supply output size for each input stream. +@example +xstack_vaapi=inputs=4:layout=0_0_1920x1080|0_h0_1920x1080|w0_0_1920x1080|w0_h0_1920x1080 +@end example + +@item grid +See @ref{xstack}. + +@item grid_tile_size +Set output size for each input stream when @option{grid} is set. If this option +is not set, this filter will set output size by default to the size of the +first input stream. For the syntax of this option, check the +@ref{video size syntax,,"Video size" section in the ffmpeg-utils manual,ffmpeg-utils}. + +@item fill +See @ref{xstack}. +@end table + @c man end VAAPI VIDEO FILTERS @chapter Video Sources diff --git a/libavfilter/Makefile b/libavfilter/Makefile index 211ff4daaa..a6f32b0e3e 100644 --- a/libavfilter/Makefile +++ b/libavfilter/Makefile @@ -557,6 +557,9 @@ OBJS-$(CONFIG_YAEPBLUR_FILTER) += vf_yaepblur.o OBJS-$(CONFIG_ZMQ_FILTER) += f_zmq.o OBJS-$(CONFIG_ZOOMPAN_FILTER) += vf_zoompan.o OBJS-$(CONFIG_ZSCALE_FILTER) += vf_zscale.o +OBJS-$(CONFIG_HSTACK_VAAPI_FILTER) += vf_stack_vaapi.o framesync.o vaapi_vpp.o +OBJS-$(CONFIG_VSTACK_VAAPI_FILTER) += vf_stack_vaapi.o framesync.o vaapi_vpp.o +OBJS-$(CONFIG_XSTACK_VAAPI_FILTER) += vf_stack_vaapi.o framesync.o vaapi_vpp.o OBJS-$(CONFIG_ALLRGB_FILTER) += vsrc_testsrc.o OBJS-$(CONFIG_ALLYUV_FILTER) += vsrc_testsrc.o diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c index 1ab3c8319a..bd1c14dccd 100644 --- a/libavfilter/allfilters.c +++ b/libavfilter/allfilters.c @@ -522,6 +522,9 @@ extern const AVFilter ff_vf_yaepblur; extern const AVFilter ff_vf_zmq; extern const AVFilter ff_vf_zoompan; extern const AVFilter ff_vf_zscale; +extern const AVFilter ff_vf_hstack_vaapi; +extern const AVFilter ff_vf_vstack_vaapi; +extern const AVFilter ff_vf_xstack_vaapi; extern const AVFilter ff_vsrc_allrgb; extern const AVFilter ff_vsrc_allyuv; diff --git a/libavfilter/version.h b/libavfilter/version.h index a56ba3bb6d..09b9954597 100644 --- a/libavfilter/version.h +++ b/libavfilter/version.h @@ -31,7 +31,7 @@ #include "version_major.h" -#define LIBAVFILTER_VERSION_MINOR 54 +#define LIBAVFILTER_VERSION_MINOR 55 #define LIBAVFILTER_VERSION_MICRO 100 diff --git a/libavfilter/vf_stack_vaapi.c b/libavfilter/vf_stack_vaapi.c new file mode 100644 index 0000000000..403fbb19eb --- /dev/null +++ b/libavfilter/vf_stack_vaapi.c @@ -0,0 +1,574 @@ +/* + * 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 + */ + +/** + * @file + * Hardware accelerated hstack, vstack and xstack filters based on VA-API + */ + +#include "config_components.h" + +#include "libavutil/opt.h" +#include "libavutil/common.h" +#include "libavutil/pixdesc.h" +#include "libavutil/eval.h" +#include "libavutil/hwcontext.h" +#include "libavutil/avstring.h" +#include "libavutil/avassert.h" +#include "libavutil/imgutils.h" +#include "libavutil/mathematics.h" +#include "libavutil/parseutils.h" +#include "libavutil/mem.h" + +#include "internal.h" +#include "filters.h" +#include "formats.h" +#include "video.h" +#include "framesync.h" +#include "vaapi_vpp.h" + +#define OFFSET(x) offsetof(StackVAAPIContext, x) +#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM) + +enum { + STACK_VAAPI_H = 0, + STACK_VAAPI_V = 1, + STACK_VAAPI_X = 2 +}; + +typedef struct StackVAAPIContext { + VAAPIVPPContext vppctx; /**< must be the first field */ + + FFFrameSync fs; + int mode; + VARectangle *rects; + uint8_t fillcolor[4]; + int fillcolor_enable; + + /* Options */ + int nb_inputs; + int shortest; + int tile_width; + int tile_height; + int nb_grid_columns; + int nb_grid_rows; + char *layout; + char *fillcolor_str; +} StackVAAPIContext; + +static int process_frame(FFFrameSync *fs) +{ + AVFilterContext *avctx = fs->parent; + AVFilterLink *outlink = avctx->outputs[0]; + StackVAAPIContext *sctx = fs->opaque; + VAAPIVPPContext *vppctx = fs->opaque; + AVFrame *oframe, *iframe; + VAProcPipelineParameterBuffer *params = NULL; + VARectangle *irect = NULL; + int ret = 0; + + if (vppctx->va_context == VA_INVALID_ID) + return AVERROR(EINVAL); + + oframe = ff_get_video_buffer(outlink, outlink->w, outlink->h); + if (!oframe) + return AVERROR(ENOMEM); + + irect = av_calloc(avctx->nb_inputs, sizeof(*irect)); + params = av_calloc(avctx->nb_inputs, sizeof(*params)); + if (!irect || !params) { + ret = AVERROR(ENOMEM); + goto fail; + } + + for (int i = 0; i < avctx->nb_inputs; i++) { + ret = ff_framesync_get_frame(fs, i, &iframe, 0); + if (ret) + goto fail; + + if (i == 0) { + ret = av_frame_copy_props(oframe, iframe); + if (ret < 0) + goto fail; + } + + ret = ff_vaapi_vpp_init_params(avctx, ¶ms[i], iframe, oframe); + if (ret) + goto fail; + + av_log(avctx, AV_LOG_DEBUG, "stack input %d: %s, %ux%u (%"PRId64").\n", + i, av_get_pix_fmt_name(iframe->format), + iframe->width, iframe->height, iframe->pts); + irect[i].x = 0; + irect[i].y = 0; + irect[i].width = iframe->width; + irect[i].height = iframe->height; + params[i].surface_region = &irect[i]; + params[i].surface = (VASurfaceID)(uintptr_t)iframe->data[3]; + params[i].output_region = &sctx->rects[i]; + + if (sctx->fillcolor_enable) + params[i].output_background_color = (sctx->fillcolor[3] << 24 | + sctx->fillcolor[0] << 16 | + sctx->fillcolor[1] << 8 | + sctx->fillcolor[2]); + } + + oframe->pts = av_rescale_q(sctx->fs.pts, sctx->fs.time_base, outlink->time_base); + oframe->sample_aspect_ratio = outlink->sample_aspect_ratio; + + ret = ff_vaapi_vpp_render_pictures(avctx, params, avctx->nb_inputs, oframe); + if (ret) + goto fail; + + av_freep(&irect); + av_freep(¶ms); + return ff_filter_frame(outlink, oframe); + +fail: + av_freep(&irect); + av_freep(¶ms); + av_frame_free(&oframe); + return ret; +} + +static int init_framesync(AVFilterContext *avctx) +{ + StackVAAPIContext *sctx = avctx->priv; + int ret; + + ret = ff_framesync_init(&sctx->fs, avctx, avctx->nb_inputs); + if (ret < 0) + return ret; + + sctx->fs.on_event = process_frame; + sctx->fs.opaque = sctx; + + for (int i = 0; i < sctx->nb_inputs; i++) { + FFFrameSyncIn *in = &sctx->fs.in[i]; + + in->before = EXT_STOP; + in->after = sctx->shortest ? EXT_STOP : EXT_INFINITY; + in->sync = 1; + in->time_base = avctx->inputs[i]->time_base; + } + + return ff_framesync_configure(&sctx->fs); +} + +#define SET_INPUT_REGION(rect, rx, ry, rw, rh) do { \ + rect->x = rx; \ + rect->y = ry; \ + rect->width = rw; \ + rect->height = rh; \ + } while (0) + +static int config_output(AVFilterLink *outlink) +{ + AVFilterContext *avctx = outlink->src; + StackVAAPIContext *sctx = avctx->priv; + VAAPIVPPContext *vppctx = avctx->priv; + AVFilterLink *inlink0 = avctx->inputs[0]; + AVHWFramesContext *hwfc0 = NULL; + int width, height, ret; + + if (inlink0->format != AV_PIX_FMT_VAAPI || !inlink0->hw_frames_ctx || !inlink0->hw_frames_ctx->data) { + av_log(avctx, AV_LOG_ERROR, "Software pixel format is not supported.\n"); + return AVERROR(EINVAL); + } + + hwfc0 = (AVHWFramesContext *)inlink0->hw_frames_ctx->data; + + for (int i = 1; i < sctx->nb_inputs; i++) { + AVFilterLink *inlink = avctx->inputs[i]; + AVHWFramesContext *hwfc = NULL; + + if (inlink->format != AV_PIX_FMT_VAAPI || !inlink->hw_frames_ctx || !inlink->hw_frames_ctx->data) { + av_log(avctx, AV_LOG_ERROR, "Software pixel format is not supported.\n"); + return AVERROR(EINVAL); + } + + hwfc = (AVHWFramesContext *)inlink->hw_frames_ctx->data; + + if (hwfc0->sw_format != hwfc->sw_format) { + av_log(avctx, AV_LOG_ERROR, "All inputs should have the same underlying software pixel format.\n"); + return AVERROR(EINVAL); + } + + if (hwfc0->device_ctx != hwfc->device_ctx) { + av_log(avctx, AV_LOG_ERROR, "All inputs should have the same underlying vaapi devices.\n"); + return AVERROR(EINVAL); + } + } + + ff_vaapi_vpp_config_input(inlink0); + vppctx->output_format = hwfc0->sw_format; + + if (sctx->mode == STACK_VAAPI_H) { + height = sctx->tile_height; + width = 0; + + if (!height) + height = inlink0->h; + + for (int i = 0; i < sctx->nb_inputs; i++) { + AVFilterLink *inlink = avctx->inputs[i]; + VARectangle *rect = &sctx->rects[i]; + + SET_INPUT_REGION(rect, width, 0, av_rescale(height, inlink->w, inlink->h), height); + width += av_rescale(height, inlink->w, inlink->h); + } + } else if (sctx->mode == STACK_VAAPI_V) { + height = 0; + width = sctx->tile_width; + + if (!width) + width = inlink0->w; + + for (int i = 0; i < sctx->nb_inputs; i++) { + AVFilterLink *inlink = avctx->inputs[i]; + VARectangle *rect = &sctx->rects[i]; + + SET_INPUT_REGION(rect, 0, height, width, av_rescale(width, inlink->h, inlink->w)); + height += av_rescale(width, inlink->h, inlink->w); + } + } else if (sctx->nb_grid_rows && sctx->nb_grid_columns) { + int xpos = 0, ypos = 0; + int ow, oh, k = 0; + + ow = sctx->tile_width; + oh = sctx->tile_height; + + if (!ow || !oh) { + ow = avctx->inputs[0]->w; + oh = avctx->inputs[0]->h; + } + + for (int i = 0; i < sctx->nb_grid_columns; i++) { + ypos = 0; + + for (int j = 0; j < sctx->nb_grid_rows; j++) { + VARectangle *rect = &sctx->rects[k++]; + + SET_INPUT_REGION(rect, xpos, ypos, ow, oh); + ypos += oh; + } + + xpos += ow; + } + + width = ow * sctx->nb_grid_columns; + height = oh * sctx->nb_grid_rows; + } else { + char *arg, *p = sctx->layout, *saveptr = NULL; + char *arg2, *p2, *saveptr2 = NULL; + char *arg3, *p3, *saveptr3 = NULL; + int xpos, ypos, size; + int ow, oh; + + width = avctx->inputs[0]->w; + height = avctx->inputs[0]->h; + + for (int i = 0; i < sctx->nb_inputs; i++) { + AVFilterLink *inlink = avctx->inputs[i]; + VARectangle *rect = &sctx->rects[i]; + + ow = inlink->w; + oh = inlink->h; + + if (!(arg = av_strtok(p, "|", &saveptr))) + return AVERROR(EINVAL); + + p = NULL; + p2 = arg; + xpos = ypos = 0; + + for (int j = 0; j < 3; j++) { + if (!(arg2 = av_strtok(p2, "_", &saveptr2))) { + if (j == 2) + break; + else + return AVERROR(EINVAL); + } + + p2 = NULL; + p3 = arg2; + + if (j == 2) { + if ((ret = av_parse_video_size(&ow, &oh, p3)) < 0) { + av_log(avctx, AV_LOG_ERROR, "Invalid size '%s'\n", p3); + return ret; + } + + break; + } + + while ((arg3 = av_strtok(p3, "+", &saveptr3))) { + p3 = NULL; + if (sscanf(arg3, "w%d", &size) == 1) { + if (size == i || size < 0 || size >= sctx->nb_inputs) + return AVERROR(EINVAL); + + if (!j) + xpos += sctx->rects[size].width; + else + ypos += sctx->rects[size].width; + } else if (sscanf(arg3, "h%d", &size) == 1) { + if (size == i || size < 0 || size >= sctx->nb_inputs) + return AVERROR(EINVAL); + + if (!j) + xpos += sctx->rects[size].height; + else + ypos += sctx->rects[size].height; + } else if (sscanf(arg3, "%d", &size) == 1) { + if (size < 0) + return AVERROR(EINVAL); + + if (!j) + xpos += size; + else + ypos += size; + } else { + return AVERROR(EINVAL); + } + } + } + + SET_INPUT_REGION(rect, xpos, ypos, ow, oh); + width = FFMAX(width, xpos + ow); + height = FFMAX(height, ypos + oh); + } + + } + + outlink->w = width; + outlink->h = height; + outlink->frame_rate = inlink0->frame_rate; + outlink->sample_aspect_ratio = inlink0->sample_aspect_ratio; + + for (int i = 1; i < sctx->nb_inputs; i++) { + AVFilterLink *inlink = avctx->inputs[i]; + if (outlink->frame_rate.num != inlink->frame_rate.num || + outlink->frame_rate.den != inlink->frame_rate.den) { + av_log(avctx, AV_LOG_VERBOSE, + "Video inputs have different frame rates, output will be VFR\n"); + outlink->frame_rate = av_make_q(1, 0); + break; + } + } + + ret = init_framesync(avctx); + if (ret < 0) + return ret; + + outlink->time_base = sctx->fs.time_base; + + vppctx->output_width = width; + vppctx->output_height = height; + + return ff_vaapi_vpp_config_output(outlink); +} + +static int vaapi_stack_init(AVFilterContext *avctx) +{ + StackVAAPIContext *sctx = avctx->priv; + VAAPIVPPContext *vppctx = avctx->priv; + int ret; + + if (!strcmp(avctx->filter->name, "hstack_vaapi")) + sctx->mode = STACK_VAAPI_H; + else if (!strcmp(avctx->filter->name, "vstack_vaapi")) + sctx->mode = STACK_VAAPI_V; + else { + int is_grid; + + av_assert0(strcmp(avctx->filter->name, "xstack_vaapi") == 0); + sctx->mode = STACK_VAAPI_X; + is_grid = sctx->nb_grid_rows && sctx->nb_grid_columns; + + if (sctx->layout && is_grid) { + av_log(avctx, AV_LOG_ERROR, "Both layout and grid were specified. Only one is allowed.\n"); + return AVERROR(EINVAL); + } + + if (!sctx->layout && !is_grid) { + if (sctx->nb_inputs == 2) { + sctx->nb_grid_rows = 1; + sctx->nb_grid_columns = 2; + is_grid = 1; + } else { + av_log(avctx, AV_LOG_ERROR, "No layout or grid specified.\n"); + return AVERROR(EINVAL); + } + } + + if (is_grid) + sctx->nb_inputs = sctx->nb_grid_rows * sctx->nb_grid_columns; + + if (strcmp(sctx->fillcolor_str, "none") && + av_parse_color(sctx->fillcolor, sctx->fillcolor_str, -1, avctx) >= 0) { + sctx->fillcolor_enable = 1; + } else { + sctx->fillcolor_enable = 0; + } + } + + for (int i = 0; i < sctx->nb_inputs; i++) { + AVFilterPad pad = { 0 }; + + pad.type = AVMEDIA_TYPE_VIDEO; + pad.name = av_asprintf("input%d", i); + + if (!pad.name) + return AVERROR(ENOMEM); + + if ((ret = ff_append_inpad_free_name(avctx, &pad)) < 0) + return ret; + } + + /* stack region */ + sctx->rects = av_calloc(sctx->nb_inputs, sizeof(*sctx->rects)); + if (!sctx->rects) + return AVERROR(ENOMEM); + + ff_vaapi_vpp_ctx_init(avctx); + vppctx->output_format = AV_PIX_FMT_NONE; + + return 0; +} + +static av_cold void vaapi_stack_uninit(AVFilterContext *avctx) +{ + StackVAAPIContext *sctx = avctx->priv; + + ff_framesync_uninit(&sctx->fs); + av_freep(&sctx->rects); +} + +static int vaapi_stack_activate(AVFilterContext *avctx) +{ + StackVAAPIContext *sctx = avctx->priv; + return ff_framesync_activate(&sctx->fs); +} + +static int vaapi_stack_query_formats(AVFilterContext *avctx) +{ + static const enum AVPixelFormat pixel_formats[] = { + AV_PIX_FMT_VAAPI, + AV_PIX_FMT_NONE, + }; + + return ff_set_common_formats_from_list(avctx, pixel_formats); +} + +static const AVFilterPad vaapi_stack_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .config_props = config_output, + }, +}; + +#define STACK_COMMON_OPTS \ + { "inputs", "Set number of inputs", OFFSET(nb_inputs), AV_OPT_TYPE_INT, { .i64 = 2 }, 2, UINT16_MAX, .flags = FLAGS }, \ + { "shortest", "Force termination when the shortest input terminates", OFFSET(shortest), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS }, + +#if CONFIG_HSTACK_VAAPI_FILTER + +static const AVOption hstack_vaapi_options[] = { + STACK_COMMON_OPTS + + { "height", "Set output height (0 to use the height of input 0)", OFFSET(tile_height), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, FLAGS }, + { NULL } +}; + +AVFILTER_DEFINE_CLASS(hstack_vaapi); + +const AVFilter ff_vf_hstack_vaapi = { + .name = "hstack_vaapi", + .description = NULL_IF_CONFIG_SMALL("VA-API hstack."), + .priv_size = sizeof(StackVAAPIContext), + .priv_class = &hstack_vaapi_class, + .init = vaapi_stack_init, + .uninit = vaapi_stack_uninit, + .activate = vaapi_stack_activate, + FILTER_QUERY_FUNC(vaapi_stack_query_formats), + FILTER_OUTPUTS(vaapi_stack_outputs), + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, + .flags = AVFILTER_FLAG_DYNAMIC_INPUTS, +}; + +#endif + +#if CONFIG_VSTACK_VAAPI_FILTER + +static const AVOption vstack_vaapi_options[] = { + STACK_COMMON_OPTS + + { "width", "Set output width (0 to use the width of input 0)", OFFSET(tile_width), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, FLAGS }, + { NULL } +}; + +AVFILTER_DEFINE_CLASS(vstack_vaapi); + +const AVFilter ff_vf_vstack_vaapi = { + .name = "vstack_vaapi", + .description = NULL_IF_CONFIG_SMALL("VA-API vstack."), + .priv_size = sizeof(StackVAAPIContext), + .priv_class = &vstack_vaapi_class, + .init = vaapi_stack_init, + .uninit = vaapi_stack_uninit, + .activate = vaapi_stack_activate, + FILTER_QUERY_FUNC(vaapi_stack_query_formats), + FILTER_OUTPUTS(vaapi_stack_outputs), + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, + .flags = AVFILTER_FLAG_DYNAMIC_INPUTS, +}; + +#endif + +#if CONFIG_XSTACK_VAAPI_FILTER + +static const AVOption xstack_vaapi_options[] = { + STACK_COMMON_OPTS + + { "layout", "Set custom layout", OFFSET(layout), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, .flags = FLAGS }, + { "grid", "set fixed size grid layout", OFFSET(nb_grid_columns), AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0, .flags = FLAGS }, + { "grid_tile_size", "set tile size in grid layout", OFFSET(tile_width), AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0, .flags = FLAGS }, + { "fill", "Set the color for unused pixels", OFFSET(fillcolor_str), AV_OPT_TYPE_STRING, {.str = "none"}, .flags = FLAGS }, + { NULL } +}; + +AVFILTER_DEFINE_CLASS(xstack_vaapi); + +const AVFilter ff_vf_xstack_vaapi = { + .name = "xstack_vaapi", + .description = NULL_IF_CONFIG_SMALL("VA-API xstack."), + .priv_size = sizeof(StackVAAPIContext), + .priv_class = &xstack_vaapi_class, + .init = vaapi_stack_init, + .uninit = vaapi_stack_uninit, + .activate = vaapi_stack_activate, + FILTER_OUTPUTS(vaapi_stack_outputs), + FILTER_QUERY_FUNC(vaapi_stack_query_formats), + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, + .flags = AVFILTER_FLAG_DYNAMIC_INPUTS, +}; + +#endif