mirror of https://git.ffmpeg.org/ffmpeg.git
974 lines
31 KiB
C
974 lines
31 KiB
C
/*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#if HAVE_VAAPI_X11
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# include <va/va_x11.h>
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#endif
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#if HAVE_VAAPI_DRM
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# include <va/va_drm.h>
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#endif
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#include <fcntl.h>
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#if HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include "avassert.h"
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#include "buffer.h"
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#include "common.h"
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#include "hwcontext.h"
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#include "hwcontext_internal.h"
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#include "hwcontext_vaapi.h"
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#include "mem.h"
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#include "pixdesc.h"
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#include "pixfmt.h"
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typedef struct VAAPIDevicePriv {
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#if HAVE_VAAPI_X11
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Display *x11_display;
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#endif
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int drm_fd;
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} VAAPIDevicePriv;
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typedef struct VAAPISurfaceFormat {
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enum AVPixelFormat pix_fmt;
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VAImageFormat image_format;
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} VAAPISurfaceFormat;
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typedef struct VAAPIDeviceContext {
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// Surface formats which can be used with this device.
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VAAPISurfaceFormat *formats;
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int nb_formats;
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} VAAPIDeviceContext;
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typedef struct VAAPIFramesContext {
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// Surface attributes set at create time.
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VASurfaceAttrib *attributes;
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int nb_attributes;
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// RT format of the underlying surface (Intel driver ignores this anyway).
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unsigned int rt_format;
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// Whether vaDeriveImage works.
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int derive_works;
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} VAAPIFramesContext;
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enum {
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VAAPI_MAP_READ = 0x01,
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VAAPI_MAP_WRITE = 0x02,
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VAAPI_MAP_DIRECT = 0x04,
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};
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typedef struct VAAPISurfaceMap {
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// The source hardware frame of this mapping (with hw_frames_ctx set).
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const AVFrame *source;
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// VAAPI_MAP_* flags which apply to this mapping.
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int flags;
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// Handle to the derived or copied image which is mapped.
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VAImage image;
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} VAAPISurfaceMap;
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#define MAP(va, rt, av) { \
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VA_FOURCC_ ## va, \
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VA_RT_FORMAT_ ## rt, \
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AV_PIX_FMT_ ## av \
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}
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// The map fourcc <-> pix_fmt isn't bijective because of the annoying U/V
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// plane swap cases. The frame handling below tries to hide these.
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static struct {
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unsigned int fourcc;
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unsigned int rt_format;
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enum AVPixelFormat pix_fmt;
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} vaapi_format_map[] = {
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MAP(NV12, YUV420, NV12),
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MAP(YV12, YUV420, YUV420P), // With U/V planes swapped.
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MAP(IYUV, YUV420, YUV420P),
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//MAP(I420, YUV420, YUV420P), // Not in libva but used by Intel driver.
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#ifdef VA_FOURCC_YV16
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MAP(YV16, YUV422, YUV422P), // With U/V planes swapped.
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#endif
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MAP(422H, YUV422, YUV422P),
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MAP(UYVY, YUV422, UYVY422),
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MAP(YUY2, YUV422, YUYV422),
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MAP(Y800, YUV400, GRAY8),
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#ifdef VA_FOURCC_P010
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//MAP(P010, YUV420_10BPP, P010),
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#endif
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MAP(BGRA, RGB32, BGRA),
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//MAP(BGRX, RGB32, BGR0),
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MAP(RGBA, RGB32, RGBA),
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//MAP(RGBX, RGB32, RGB0),
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MAP(ABGR, RGB32, ABGR),
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//MAP(XBGR, RGB32, 0BGR),
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MAP(ARGB, RGB32, ARGB),
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//MAP(XRGB, RGB32, 0RGB),
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};
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#undef MAP
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static enum AVPixelFormat vaapi_pix_fmt_from_fourcc(unsigned int fourcc)
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{
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int i;
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for (i = 0; i < FF_ARRAY_ELEMS(vaapi_format_map); i++)
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if (vaapi_format_map[i].fourcc == fourcc)
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return vaapi_format_map[i].pix_fmt;
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return AV_PIX_FMT_NONE;
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}
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static int vaapi_get_image_format(AVHWDeviceContext *hwdev,
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enum AVPixelFormat pix_fmt,
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VAImageFormat **image_format)
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{
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VAAPIDeviceContext *ctx = hwdev->internal->priv;
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int i;
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for (i = 0; i < ctx->nb_formats; i++) {
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if (ctx->formats[i].pix_fmt == pix_fmt) {
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*image_format = &ctx->formats[i].image_format;
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return 0;
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}
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}
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return AVERROR(EINVAL);
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}
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static int vaapi_frames_get_constraints(AVHWDeviceContext *hwdev,
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const void *hwconfig,
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AVHWFramesConstraints *constraints)
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{
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AVVAAPIDeviceContext *hwctx = hwdev->hwctx;
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const AVVAAPIHWConfig *config = hwconfig;
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AVVAAPIHWConfig *tmp_config;
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VASurfaceAttrib *attr_list = NULL;
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VAStatus vas;
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enum AVPixelFormat pix_fmt;
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unsigned int fourcc;
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int err, i, j, attr_count, pix_fmt_count;
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if (!hwconfig) {
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// No configuration was provided, so we create a temporary pipeline
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// configuration in order to query all supported image formats.
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tmp_config = av_mallocz(sizeof(*config));
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if (!tmp_config)
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return AVERROR(ENOMEM);
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vas = vaCreateConfig(hwctx->display,
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VAProfileNone, VAEntrypointVideoProc,
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NULL, 0, &tmp_config->config_id);
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if (vas != VA_STATUS_SUCCESS) {
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// No vpp. We might still be able to do something useful if
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// codecs are supported, so try to make the most-commonly
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// supported decoder configuration we can to query instead.
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vas = vaCreateConfig(hwctx->display,
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VAProfileH264ConstrainedBaseline,
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VAEntrypointVLD, NULL, 0,
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&tmp_config->config_id);
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if (vas != VA_STATUS_SUCCESS) {
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av_freep(&tmp_config);
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return AVERROR(ENOSYS);
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}
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}
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config = tmp_config;
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}
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attr_count = 0;
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vas = vaQuerySurfaceAttributes(hwctx->display, config->config_id,
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0, &attr_count);
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if (vas != VA_STATUS_SUCCESS) {
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av_log(hwdev, AV_LOG_ERROR, "Failed to query surface attributes: "
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"%d (%s).\n", vas, vaErrorStr(vas));
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err = AVERROR(ENOSYS);
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goto fail;
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}
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attr_list = av_malloc(attr_count * sizeof(*attr_list));
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if (!attr_list) {
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err = AVERROR(ENOMEM);
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goto fail;
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}
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vas = vaQuerySurfaceAttributes(hwctx->display, config->config_id,
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attr_list, &attr_count);
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if (vas != VA_STATUS_SUCCESS) {
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av_log(hwdev, AV_LOG_ERROR, "Failed to query surface attributes: "
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"%d (%s).\n", vas, vaErrorStr(vas));
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err = AVERROR(ENOSYS);
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goto fail;
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}
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pix_fmt_count = 0;
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for (i = 0; i < attr_count; i++) {
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switch (attr_list[i].type) {
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case VASurfaceAttribPixelFormat:
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fourcc = attr_list[i].value.value.i;
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pix_fmt = vaapi_pix_fmt_from_fourcc(fourcc);
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if (pix_fmt != AV_PIX_FMT_NONE) {
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++pix_fmt_count;
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} else {
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// Something unsupported - ignore.
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}
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break;
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case VASurfaceAttribMinWidth:
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constraints->min_width = attr_list[i].value.value.i;
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break;
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case VASurfaceAttribMinHeight:
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constraints->min_height = attr_list[i].value.value.i;
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break;
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case VASurfaceAttribMaxWidth:
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constraints->max_width = attr_list[i].value.value.i;
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break;
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case VASurfaceAttribMaxHeight:
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constraints->max_height = attr_list[i].value.value.i;
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break;
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}
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}
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if (pix_fmt_count == 0) {
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// Nothing usable found. Presumably there exists something which
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// works, so leave the set null to indicate unknown.
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constraints->valid_sw_formats = NULL;
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} else {
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constraints->valid_sw_formats = av_malloc_array(pix_fmt_count + 1,
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sizeof(pix_fmt));
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if (!constraints->valid_sw_formats) {
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err = AVERROR(ENOMEM);
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goto fail;
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}
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for (i = j = 0; i < attr_count; i++) {
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if (attr_list[i].type != VASurfaceAttribPixelFormat)
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continue;
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fourcc = attr_list[i].value.value.i;
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pix_fmt = vaapi_pix_fmt_from_fourcc(fourcc);
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if (pix_fmt != AV_PIX_FMT_NONE)
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constraints->valid_sw_formats[j++] = pix_fmt;
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}
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av_assert0(j == pix_fmt_count);
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constraints->valid_sw_formats[j] = AV_PIX_FMT_NONE;
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}
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constraints->valid_hw_formats = av_malloc_array(2, sizeof(pix_fmt));
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if (!constraints->valid_hw_formats) {
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err = AVERROR(ENOMEM);
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goto fail;
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}
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constraints->valid_hw_formats[0] = AV_PIX_FMT_VAAPI;
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constraints->valid_hw_formats[1] = AV_PIX_FMT_NONE;
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err = 0;
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fail:
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av_freep(&attr_list);
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if (!hwconfig) {
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vaDestroyConfig(hwctx->display, tmp_config->config_id);
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av_freep(&tmp_config);
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}
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return err;
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}
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static int vaapi_device_init(AVHWDeviceContext *hwdev)
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{
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VAAPIDeviceContext *ctx = hwdev->internal->priv;
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AVVAAPIDeviceContext *hwctx = hwdev->hwctx;
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AVHWFramesConstraints *constraints = NULL;
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VAImageFormat *image_list = NULL;
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VAStatus vas;
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int err, i, j, image_count;
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enum AVPixelFormat pix_fmt;
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unsigned int fourcc;
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constraints = av_mallocz(sizeof(*constraints));
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if (!constraints)
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goto fail;
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err = vaapi_frames_get_constraints(hwdev, NULL, constraints);
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if (err < 0)
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goto fail;
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image_count = vaMaxNumImageFormats(hwctx->display);
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if (image_count <= 0) {
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err = AVERROR(EIO);
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goto fail;
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}
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image_list = av_malloc(image_count * sizeof(*image_list));
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if (!image_list) {
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err = AVERROR(ENOMEM);
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goto fail;
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}
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vas = vaQueryImageFormats(hwctx->display, image_list, &image_count);
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if (vas != VA_STATUS_SUCCESS) {
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err = AVERROR(EIO);
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goto fail;
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}
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ctx->formats = av_malloc(image_count * sizeof(*ctx->formats));
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if (!ctx->formats) {
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err = AVERROR(ENOMEM);
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goto fail;
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}
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ctx->nb_formats = 0;
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for (i = 0; i < image_count; i++) {
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fourcc = image_list[i].fourcc;
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pix_fmt = vaapi_pix_fmt_from_fourcc(fourcc);
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for (j = 0; constraints->valid_sw_formats[j] != AV_PIX_FMT_NONE; j++) {
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if (pix_fmt == constraints->valid_sw_formats[j])
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break;
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}
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if (constraints->valid_sw_formats[j] != AV_PIX_FMT_NONE) {
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av_log(hwdev, AV_LOG_DEBUG, "Format %#x -> %s.\n",
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fourcc, av_get_pix_fmt_name(pix_fmt));
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ctx->formats[ctx->nb_formats].pix_fmt = pix_fmt;
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ctx->formats[ctx->nb_formats].image_format = image_list[i];
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++ctx->nb_formats;
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} else {
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av_log(hwdev, AV_LOG_DEBUG, "Format %#x -> unknown.\n", fourcc);
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}
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}
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av_free(image_list);
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av_hwframe_constraints_free(&constraints);
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return 0;
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fail:
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av_freep(&ctx->formats);
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av_free(image_list);
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av_hwframe_constraints_free(&constraints);
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return err;
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}
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static void vaapi_device_uninit(AVHWDeviceContext *hwdev)
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{
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VAAPIDeviceContext *ctx = hwdev->internal->priv;
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av_freep(&ctx->formats);
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}
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static void vaapi_buffer_free(void *opaque, uint8_t *data)
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{
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AVHWFramesContext *hwfc = opaque;
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AVVAAPIDeviceContext *hwctx = hwfc->device_ctx->hwctx;
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VASurfaceID surface_id;
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VAStatus vas;
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surface_id = (VASurfaceID)(uintptr_t)data;
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|
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vas = vaDestroySurfaces(hwctx->display, &surface_id, 1);
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if (vas != VA_STATUS_SUCCESS) {
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av_log(hwfc, AV_LOG_ERROR, "Failed to destroy surface %#x: "
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"%d (%s).\n", surface_id, vas, vaErrorStr(vas));
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}
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}
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|
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static AVBufferRef *vaapi_pool_alloc(void *opaque, int size)
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{
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AVHWFramesContext *hwfc = opaque;
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VAAPIFramesContext *ctx = hwfc->internal->priv;
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AVVAAPIDeviceContext *hwctx = hwfc->device_ctx->hwctx;
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AVVAAPIFramesContext *avfc = hwfc->hwctx;
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VASurfaceID surface_id;
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VAStatus vas;
|
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AVBufferRef *ref;
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|
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vas = vaCreateSurfaces(hwctx->display, ctx->rt_format,
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hwfc->width, hwfc->height,
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&surface_id, 1,
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ctx->attributes, ctx->nb_attributes);
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if (vas != VA_STATUS_SUCCESS) {
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av_log(hwfc, AV_LOG_ERROR, "Failed to create surface: "
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"%d (%s).\n", vas, vaErrorStr(vas));
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return NULL;
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}
|
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av_log(hwfc, AV_LOG_DEBUG, "Created surface %#x.\n", surface_id);
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|
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ref = av_buffer_create((uint8_t*)(uintptr_t)surface_id,
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sizeof(surface_id), &vaapi_buffer_free,
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hwfc, AV_BUFFER_FLAG_READONLY);
|
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if (!ref) {
|
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vaDestroySurfaces(hwctx->display, &surface_id, 1);
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return NULL;
|
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}
|
|
|
|
if (hwfc->initial_pool_size > 0) {
|
|
// This is a fixed-size pool, so we must still be in the initial
|
|
// allocation sequence.
|
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av_assert0(avfc->nb_surfaces < hwfc->initial_pool_size);
|
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avfc->surface_ids[avfc->nb_surfaces] = surface_id;
|
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++avfc->nb_surfaces;
|
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}
|
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|
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return ref;
|
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}
|
|
|
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static int vaapi_frames_init(AVHWFramesContext *hwfc)
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{
|
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AVVAAPIFramesContext *avfc = hwfc->hwctx;
|
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VAAPIFramesContext *ctx = hwfc->internal->priv;
|
|
AVVAAPIDeviceContext *hwctx = hwfc->device_ctx->hwctx;
|
|
VAImageFormat *expected_format;
|
|
AVBufferRef *test_surface = NULL;
|
|
VASurfaceID test_surface_id;
|
|
VAImage test_image;
|
|
VAStatus vas;
|
|
int err, i;
|
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unsigned int fourcc, rt_format;
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(vaapi_format_map); i++) {
|
|
if (vaapi_format_map[i].pix_fmt == hwfc->sw_format) {
|
|
fourcc = vaapi_format_map[i].fourcc;
|
|
rt_format = vaapi_format_map[i].rt_format;
|
|
break;
|
|
}
|
|
}
|
|
if (i >= FF_ARRAY_ELEMS(vaapi_format_map)) {
|
|
av_log(hwfc, AV_LOG_ERROR, "Unsupported format: %s.\n",
|
|
av_get_pix_fmt_name(hwfc->sw_format));
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (!hwfc->pool) {
|
|
int need_memory_type = 1, need_pixel_format = 1;
|
|
for (i = 0; i < avfc->nb_attributes; i++) {
|
|
if (ctx->attributes[i].type == VASurfaceAttribMemoryType)
|
|
need_memory_type = 0;
|
|
if (ctx->attributes[i].type == VASurfaceAttribPixelFormat)
|
|
need_pixel_format = 0;
|
|
}
|
|
ctx->nb_attributes =
|
|
avfc->nb_attributes + need_memory_type + need_pixel_format;
|
|
|
|
ctx->attributes = av_malloc(ctx->nb_attributes *
|
|
sizeof(*ctx->attributes));
|
|
if (!ctx->attributes) {
|
|
err = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
|
|
for (i = 0; i < avfc->nb_attributes; i++)
|
|
ctx->attributes[i] = avfc->attributes[i];
|
|
if (need_memory_type) {
|
|
ctx->attributes[i++] = (VASurfaceAttrib) {
|
|
.type = VASurfaceAttribMemoryType,
|
|
.flags = VA_SURFACE_ATTRIB_SETTABLE,
|
|
.value.type = VAGenericValueTypeInteger,
|
|
.value.value.i = VA_SURFACE_ATTRIB_MEM_TYPE_VA,
|
|
};
|
|
}
|
|
if (need_pixel_format) {
|
|
ctx->attributes[i++] = (VASurfaceAttrib) {
|
|
.type = VASurfaceAttribPixelFormat,
|
|
.flags = VA_SURFACE_ATTRIB_SETTABLE,
|
|
.value.type = VAGenericValueTypeInteger,
|
|
.value.value.i = fourcc,
|
|
};
|
|
}
|
|
av_assert0(i == ctx->nb_attributes);
|
|
|
|
ctx->rt_format = rt_format;
|
|
|
|
if (hwfc->initial_pool_size > 0) {
|
|
// This pool will be usable as a render target, so we need to store
|
|
// all of the surface IDs somewhere that vaCreateContext() calls
|
|
// will be able to access them.
|
|
avfc->nb_surfaces = 0;
|
|
avfc->surface_ids = av_malloc(hwfc->initial_pool_size *
|
|
sizeof(*avfc->surface_ids));
|
|
if (!avfc->surface_ids) {
|
|
err = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
} else {
|
|
// This pool allows dynamic sizing, and will not be usable as a
|
|
// render target.
|
|
avfc->nb_surfaces = 0;
|
|
avfc->surface_ids = NULL;
|
|
}
|
|
|
|
hwfc->internal->pool_internal =
|
|
av_buffer_pool_init2(sizeof(VASurfaceID), hwfc,
|
|
&vaapi_pool_alloc, NULL);
|
|
if (!hwfc->internal->pool_internal) {
|
|
av_log(hwfc, AV_LOG_ERROR, "Failed to create VAAPI surface pool.\n");
|
|
err = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
// Allocate a single surface to test whether vaDeriveImage() is going
|
|
// to work for the specific configuration.
|
|
if (hwfc->pool) {
|
|
test_surface = av_buffer_pool_get(hwfc->pool);
|
|
if (!test_surface) {
|
|
av_log(hwfc, AV_LOG_ERROR, "Unable to allocate a surface from "
|
|
"user-configured buffer pool.\n");
|
|
err = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
} else {
|
|
test_surface = av_buffer_pool_get(hwfc->internal->pool_internal);
|
|
if (!test_surface) {
|
|
av_log(hwfc, AV_LOG_ERROR, "Unable to allocate a surface from "
|
|
"internal buffer pool.\n");
|
|
err = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
}
|
|
test_surface_id = (VASurfaceID)(uintptr_t)test_surface->data;
|
|
|
|
ctx->derive_works = 0;
|
|
|
|
err = vaapi_get_image_format(hwfc->device_ctx,
|
|
hwfc->sw_format, &expected_format);
|
|
if (err == 0) {
|
|
vas = vaDeriveImage(hwctx->display, test_surface_id, &test_image);
|
|
if (vas == VA_STATUS_SUCCESS) {
|
|
if (expected_format->fourcc == test_image.format.fourcc) {
|
|
av_log(hwfc, AV_LOG_DEBUG, "Direct mapping possible.\n");
|
|
ctx->derive_works = 1;
|
|
} else {
|
|
av_log(hwfc, AV_LOG_DEBUG, "Direct mapping disabled: "
|
|
"derived image format %08x does not match "
|
|
"expected format %08x.\n",
|
|
expected_format->fourcc, test_image.format.fourcc);
|
|
}
|
|
vaDestroyImage(hwctx->display, test_image.image_id);
|
|
} else {
|
|
av_log(hwfc, AV_LOG_DEBUG, "Direct mapping disabled: "
|
|
"deriving image does not work: "
|
|
"%d (%s).\n", vas, vaErrorStr(vas));
|
|
}
|
|
} else {
|
|
av_log(hwfc, AV_LOG_DEBUG, "Direct mapping disabled: "
|
|
"image format is not supported.\n");
|
|
}
|
|
|
|
av_buffer_unref(&test_surface);
|
|
return 0;
|
|
|
|
fail:
|
|
av_buffer_unref(&test_surface);
|
|
av_freep(&avfc->surface_ids);
|
|
av_freep(&ctx->attributes);
|
|
return err;
|
|
}
|
|
|
|
static void vaapi_frames_uninit(AVHWFramesContext *hwfc)
|
|
{
|
|
AVVAAPIFramesContext *avfc = hwfc->hwctx;
|
|
VAAPIFramesContext *ctx = hwfc->internal->priv;
|
|
|
|
av_freep(&avfc->surface_ids);
|
|
av_freep(&ctx->attributes);
|
|
}
|
|
|
|
static int vaapi_get_buffer(AVHWFramesContext *hwfc, AVFrame *frame)
|
|
{
|
|
frame->buf[0] = av_buffer_pool_get(hwfc->pool);
|
|
if (!frame->buf[0])
|
|
return AVERROR(ENOMEM);
|
|
|
|
frame->data[3] = frame->buf[0]->data;
|
|
frame->format = AV_PIX_FMT_VAAPI;
|
|
frame->width = hwfc->width;
|
|
frame->height = hwfc->height;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vaapi_transfer_get_formats(AVHWFramesContext *hwfc,
|
|
enum AVHWFrameTransferDirection dir,
|
|
enum AVPixelFormat **formats)
|
|
{
|
|
VAAPIDeviceContext *ctx = hwfc->device_ctx->internal->priv;
|
|
enum AVPixelFormat *pix_fmts, preferred_format;
|
|
int i, k;
|
|
|
|
preferred_format = hwfc->sw_format;
|
|
|
|
pix_fmts = av_malloc((ctx->nb_formats + 1) * sizeof(*pix_fmts));
|
|
if (!pix_fmts)
|
|
return AVERROR(ENOMEM);
|
|
|
|
pix_fmts[0] = preferred_format;
|
|
k = 1;
|
|
for (i = 0; i < ctx->nb_formats; i++) {
|
|
if (ctx->formats[i].pix_fmt == preferred_format)
|
|
continue;
|
|
av_assert0(k < ctx->nb_formats);
|
|
pix_fmts[k++] = ctx->formats[i].pix_fmt;
|
|
}
|
|
av_assert0(k == ctx->nb_formats);
|
|
pix_fmts[k] = AV_PIX_FMT_NONE;
|
|
|
|
*formats = pix_fmts;
|
|
return 0;
|
|
}
|
|
|
|
static void vaapi_unmap_frame(void *opaque, uint8_t *data)
|
|
{
|
|
AVHWFramesContext *hwfc = opaque;
|
|
AVVAAPIDeviceContext *hwctx = hwfc->device_ctx->hwctx;
|
|
VAAPISurfaceMap *map = (VAAPISurfaceMap*)data;
|
|
const AVFrame *src;
|
|
VASurfaceID surface_id;
|
|
VAStatus vas;
|
|
|
|
src = map->source;
|
|
surface_id = (VASurfaceID)(uintptr_t)src->data[3];
|
|
av_log(hwfc, AV_LOG_DEBUG, "Unmap surface %#x.\n", surface_id);
|
|
|
|
vas = vaUnmapBuffer(hwctx->display, map->image.buf);
|
|
if (vas != VA_STATUS_SUCCESS) {
|
|
av_log(hwfc, AV_LOG_ERROR, "Failed to unmap image from surface "
|
|
"%#x: %d (%s).\n", surface_id, vas, vaErrorStr(vas));
|
|
}
|
|
|
|
if ((map->flags & VAAPI_MAP_WRITE) &&
|
|
!(map->flags & VAAPI_MAP_DIRECT)) {
|
|
vas = vaPutImage(hwctx->display, surface_id, map->image.image_id,
|
|
0, 0, hwfc->width, hwfc->height,
|
|
0, 0, hwfc->width, hwfc->height);
|
|
if (vas != VA_STATUS_SUCCESS) {
|
|
av_log(hwfc, AV_LOG_ERROR, "Failed to write image to surface "
|
|
"%#x: %d (%s).\n", surface_id, vas, vaErrorStr(vas));
|
|
}
|
|
}
|
|
|
|
vas = vaDestroyImage(hwctx->display, map->image.image_id);
|
|
if (vas != VA_STATUS_SUCCESS) {
|
|
av_log(hwfc, AV_LOG_ERROR, "Failed to destroy image from surface "
|
|
"%#x: %d (%s).\n", surface_id, vas, vaErrorStr(vas));
|
|
}
|
|
|
|
av_free(map);
|
|
}
|
|
|
|
static int vaapi_map_frame(AVHWFramesContext *hwfc,
|
|
AVFrame *dst, const AVFrame *src, int flags)
|
|
{
|
|
AVVAAPIDeviceContext *hwctx = hwfc->device_ctx->hwctx;
|
|
VAAPIFramesContext *ctx = hwfc->internal->priv;
|
|
VASurfaceID surface_id;
|
|
VAImageFormat *image_format;
|
|
VAAPISurfaceMap *map;
|
|
VAStatus vas;
|
|
void *address = NULL;
|
|
int err, i;
|
|
|
|
surface_id = (VASurfaceID)(uintptr_t)src->data[3];
|
|
av_log(hwfc, AV_LOG_DEBUG, "Map surface %#x.\n", surface_id);
|
|
|
|
if (!ctx->derive_works && (flags & VAAPI_MAP_DIRECT)) {
|
|
// Requested direct mapping but it is not possible.
|
|
return AVERROR(EINVAL);
|
|
}
|
|
if (dst->format == AV_PIX_FMT_NONE)
|
|
dst->format = hwfc->sw_format;
|
|
if (dst->format != hwfc->sw_format && (flags & VAAPI_MAP_DIRECT)) {
|
|
// Requested direct mapping but the formats do not match.
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
err = vaapi_get_image_format(hwfc->device_ctx, dst->format, &image_format);
|
|
if (err < 0) {
|
|
// Requested format is not a valid output format.
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
map = av_malloc(sizeof(VAAPISurfaceMap));
|
|
if (!map)
|
|
return AVERROR(ENOMEM);
|
|
|
|
map->source = src;
|
|
map->flags = flags;
|
|
map->image.image_id = VA_INVALID_ID;
|
|
|
|
vas = vaSyncSurface(hwctx->display, surface_id);
|
|
if (vas != VA_STATUS_SUCCESS) {
|
|
av_log(hwfc, AV_LOG_ERROR, "Failed to sync surface "
|
|
"%#x: %d (%s).\n", surface_id, vas, vaErrorStr(vas));
|
|
err = AVERROR(EIO);
|
|
goto fail;
|
|
}
|
|
|
|
// The memory which we map using derive need not be connected to the CPU
|
|
// in a way conducive to fast access. On Gen7-Gen9 Intel graphics, the
|
|
// memory is mappable but not cached, so normal memcpy()-like access is
|
|
// very slow to read it (but writing is ok). It is possible to read much
|
|
// faster with a copy routine which is aware of the limitation, but we
|
|
// assume for now that the user is not aware of that and would therefore
|
|
// prefer not to be given direct-mapped memory if they request read access.
|
|
if (ctx->derive_works &&
|
|
((flags & VAAPI_MAP_DIRECT) || !(flags & VAAPI_MAP_READ))) {
|
|
vas = vaDeriveImage(hwctx->display, surface_id, &map->image);
|
|
if (vas != VA_STATUS_SUCCESS) {
|
|
av_log(hwfc, AV_LOG_ERROR, "Failed to derive image from "
|
|
"surface %#x: %d (%s).\n",
|
|
surface_id, vas, vaErrorStr(vas));
|
|
err = AVERROR(EIO);
|
|
goto fail;
|
|
}
|
|
if (map->image.format.fourcc != image_format->fourcc) {
|
|
av_log(hwfc, AV_LOG_ERROR, "Derive image of surface %#x "
|
|
"is in wrong format: expected %#08x, got %#08x.\n",
|
|
surface_id, image_format->fourcc, map->image.format.fourcc);
|
|
err = AVERROR(EIO);
|
|
goto fail;
|
|
}
|
|
map->flags |= VAAPI_MAP_DIRECT;
|
|
} else {
|
|
vas = vaCreateImage(hwctx->display, image_format,
|
|
hwfc->width, hwfc->height, &map->image);
|
|
if (vas != VA_STATUS_SUCCESS) {
|
|
av_log(hwfc, AV_LOG_ERROR, "Failed to create image for "
|
|
"surface %#x: %d (%s).\n",
|
|
surface_id, vas, vaErrorStr(vas));
|
|
err = AVERROR(EIO);
|
|
goto fail;
|
|
}
|
|
if (flags & VAAPI_MAP_READ) {
|
|
vas = vaGetImage(hwctx->display, surface_id, 0, 0,
|
|
hwfc->width, hwfc->height, map->image.image_id);
|
|
if (vas != VA_STATUS_SUCCESS) {
|
|
av_log(hwfc, AV_LOG_ERROR, "Failed to read image from "
|
|
"surface %#x: %d (%s).\n",
|
|
surface_id, vas, vaErrorStr(vas));
|
|
err = AVERROR(EIO);
|
|
goto fail;
|
|
}
|
|
}
|
|
}
|
|
|
|
vas = vaMapBuffer(hwctx->display, map->image.buf, &address);
|
|
if (vas != VA_STATUS_SUCCESS) {
|
|
av_log(hwfc, AV_LOG_ERROR, "Failed to map image from surface "
|
|
"%#x: %d (%s).\n", surface_id, vas, vaErrorStr(vas));
|
|
err = AVERROR(EIO);
|
|
goto fail;
|
|
}
|
|
|
|
dst->width = src->width;
|
|
dst->height = src->height;
|
|
|
|
for (i = 0; i < map->image.num_planes; i++) {
|
|
dst->data[i] = (uint8_t*)address + map->image.offsets[i];
|
|
dst->linesize[i] = map->image.pitches[i];
|
|
}
|
|
if (
|
|
#ifdef VA_FOURCC_YV16
|
|
map->image.format.fourcc == VA_FOURCC_YV16 ||
|
|
#endif
|
|
map->image.format.fourcc == VA_FOURCC_YV12) {
|
|
// Chroma planes are YVU rather than YUV, so swap them.
|
|
FFSWAP(uint8_t*, dst->data[1], dst->data[2]);
|
|
}
|
|
|
|
dst->buf[0] = av_buffer_create((uint8_t*)map, sizeof(*map),
|
|
&vaapi_unmap_frame, hwfc, 0);
|
|
if (!dst->buf[0]) {
|
|
err = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
if (map) {
|
|
if (address)
|
|
vaUnmapBuffer(hwctx->display, map->image.buf);
|
|
if (map->image.image_id != VA_INVALID_ID)
|
|
vaDestroyImage(hwctx->display, map->image.image_id);
|
|
av_free(map);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
static int vaapi_transfer_data_from(AVHWFramesContext *hwfc,
|
|
AVFrame *dst, const AVFrame *src)
|
|
{
|
|
AVFrame *map;
|
|
int err;
|
|
|
|
map = av_frame_alloc();
|
|
if (!map)
|
|
return AVERROR(ENOMEM);
|
|
map->format = dst->format;
|
|
|
|
err = vaapi_map_frame(hwfc, map, src, VAAPI_MAP_READ);
|
|
if (err)
|
|
goto fail;
|
|
|
|
err = av_frame_copy(dst, map);
|
|
if (err)
|
|
goto fail;
|
|
|
|
err = 0;
|
|
fail:
|
|
av_frame_free(&map);
|
|
return err;
|
|
}
|
|
|
|
static int vaapi_transfer_data_to(AVHWFramesContext *hwfc,
|
|
AVFrame *dst, const AVFrame *src)
|
|
{
|
|
AVFrame *map;
|
|
int err;
|
|
|
|
map = av_frame_alloc();
|
|
if (!map)
|
|
return AVERROR(ENOMEM);
|
|
map->format = src->format;
|
|
|
|
err = vaapi_map_frame(hwfc, map, dst, VAAPI_MAP_WRITE);
|
|
if (err)
|
|
goto fail;
|
|
|
|
err = av_frame_copy(map, src);
|
|
if (err)
|
|
goto fail;
|
|
|
|
err = 0;
|
|
fail:
|
|
av_frame_free(&map);
|
|
return err;
|
|
}
|
|
|
|
static void vaapi_device_free(AVHWDeviceContext *ctx)
|
|
{
|
|
AVVAAPIDeviceContext *hwctx = ctx->hwctx;
|
|
VAAPIDevicePriv *priv = ctx->user_opaque;
|
|
|
|
if (hwctx->display)
|
|
vaTerminate(hwctx->display);
|
|
|
|
#if HAVE_VAAPI_X11
|
|
if (priv->x11_display)
|
|
XCloseDisplay(priv->x11_display);
|
|
#endif
|
|
|
|
if (priv->drm_fd >= 0)
|
|
close(priv->drm_fd);
|
|
|
|
av_freep(&priv);
|
|
}
|
|
|
|
static int vaapi_device_create(AVHWDeviceContext *ctx, const char *device,
|
|
AVDictionary *opts, int flags)
|
|
{
|
|
AVVAAPIDeviceContext *hwctx = ctx->hwctx;
|
|
VAAPIDevicePriv *priv;
|
|
VADisplay display = 0;
|
|
VAStatus vas;
|
|
int major, minor;
|
|
|
|
priv = av_mallocz(sizeof(*priv));
|
|
if (!priv)
|
|
return AVERROR(ENOMEM);
|
|
|
|
priv->drm_fd = -1;
|
|
|
|
ctx->user_opaque = priv;
|
|
ctx->free = vaapi_device_free;
|
|
|
|
#if HAVE_VAAPI_X11
|
|
if (!display && !(device && device[0] == '/')) {
|
|
// Try to open the device as an X11 display.
|
|
priv->x11_display = XOpenDisplay(device);
|
|
if (!priv->x11_display) {
|
|
av_log(ctx, AV_LOG_VERBOSE, "Cannot open X11 display "
|
|
"%s.\n", XDisplayName(device));
|
|
} else {
|
|
display = vaGetDisplay(priv->x11_display);
|
|
if (!display) {
|
|
av_log(ctx, AV_LOG_ERROR, "Cannot open a VA display "
|
|
"from X11 display %s.\n", XDisplayName(device));
|
|
return AVERROR_UNKNOWN;
|
|
}
|
|
|
|
av_log(ctx, AV_LOG_VERBOSE, "Opened VA display via "
|
|
"X11 display %s.\n", XDisplayName(device));
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if HAVE_VAAPI_DRM
|
|
if (!display && device) {
|
|
// Try to open the device as a DRM path.
|
|
priv->drm_fd = open(device, O_RDWR);
|
|
if (priv->drm_fd < 0) {
|
|
av_log(ctx, AV_LOG_VERBOSE, "Cannot open DRM device %s.\n",
|
|
device);
|
|
} else {
|
|
display = vaGetDisplayDRM(priv->drm_fd);
|
|
if (!display) {
|
|
av_log(ctx, AV_LOG_ERROR, "Cannot open a VA display "
|
|
"from DRM device %s.\n", device);
|
|
return AVERROR_UNKNOWN;
|
|
}
|
|
|
|
av_log(ctx, AV_LOG_VERBOSE, "Opened VA display via "
|
|
"DRM device %s.\n", device);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (!display) {
|
|
av_log(ctx, AV_LOG_ERROR, "No VA display found for "
|
|
"device: %s.\n", device ? device : "");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
hwctx->display = display;
|
|
|
|
vas = vaInitialize(display, &major, &minor);
|
|
if (vas != VA_STATUS_SUCCESS) {
|
|
av_log(ctx, AV_LOG_ERROR, "Failed to initialise VAAPI "
|
|
"connection: %d (%s).\n", vas, vaErrorStr(vas));
|
|
return AVERROR(EIO);
|
|
}
|
|
av_log(ctx, AV_LOG_VERBOSE, "Initialised VAAPI connection: "
|
|
"version %d.%d\n", major, minor);
|
|
|
|
return 0;
|
|
}
|
|
|
|
const HWContextType ff_hwcontext_type_vaapi = {
|
|
.type = AV_HWDEVICE_TYPE_VAAPI,
|
|
.name = "VAAPI",
|
|
|
|
.device_hwctx_size = sizeof(AVVAAPIDeviceContext),
|
|
.device_priv_size = sizeof(VAAPIDeviceContext),
|
|
.device_hwconfig_size = sizeof(AVVAAPIHWConfig),
|
|
.frames_hwctx_size = sizeof(AVVAAPIFramesContext),
|
|
.frames_priv_size = sizeof(VAAPIFramesContext),
|
|
|
|
.device_create = &vaapi_device_create,
|
|
.device_init = &vaapi_device_init,
|
|
.device_uninit = &vaapi_device_uninit,
|
|
.frames_get_constraints = &vaapi_frames_get_constraints,
|
|
.frames_init = &vaapi_frames_init,
|
|
.frames_uninit = &vaapi_frames_uninit,
|
|
.frames_get_buffer = &vaapi_get_buffer,
|
|
.transfer_get_formats = &vaapi_transfer_get_formats,
|
|
.transfer_data_to = &vaapi_transfer_data_to,
|
|
.transfer_data_from = &vaapi_transfer_data_from,
|
|
|
|
.pix_fmts = (const enum AVPixelFormat[]) {
|
|
AV_PIX_FMT_VAAPI,
|
|
AV_PIX_FMT_NONE
|
|
},
|
|
};
|