mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-23 07:42:51 +00:00
bba5a563c8
Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
781 lines
24 KiB
C
781 lines
24 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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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#include <stdint.h>
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#include <string.h>
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#include <VideoToolbox/VideoToolbox.h>
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#include "buffer.h"
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#include "buffer_internal.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_videotoolbox.h"
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#include "mem.h"
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#include "pixfmt.h"
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#include "pixdesc.h"
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typedef struct VTFramesContext {
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CVPixelBufferPoolRef pool;
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} VTFramesContext;
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static const struct {
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uint32_t cv_fmt;
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bool full_range;
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enum AVPixelFormat pix_fmt;
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} cv_pix_fmts[] = {
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{ kCVPixelFormatType_420YpCbCr8Planar, false, AV_PIX_FMT_YUV420P },
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{ kCVPixelFormatType_420YpCbCr8PlanarFullRange, true, AV_PIX_FMT_YUV420P },
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{ kCVPixelFormatType_422YpCbCr8, false, AV_PIX_FMT_UYVY422 },
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{ kCVPixelFormatType_32BGRA, true, AV_PIX_FMT_BGRA },
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#ifdef kCFCoreFoundationVersionNumber10_7
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{ kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, false, AV_PIX_FMT_NV12 },
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{ kCVPixelFormatType_420YpCbCr8BiPlanarFullRange, true, AV_PIX_FMT_NV12 },
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{ kCVPixelFormatType_4444AYpCbCr16, false, AV_PIX_FMT_AYUV64 },
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#endif
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#if HAVE_KCVPIXELFORMATTYPE_420YPCBCR10BIPLANARVIDEORANGE
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{ kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange, false, AV_PIX_FMT_P010 },
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{ kCVPixelFormatType_420YpCbCr10BiPlanarFullRange, true, AV_PIX_FMT_P010 },
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#endif
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#if HAVE_KCVPIXELFORMATTYPE_422YPCBCR8BIPLANARVIDEORANGE
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{ kCVPixelFormatType_422YpCbCr8BiPlanarVideoRange, false, AV_PIX_FMT_NV16 },
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{ kCVPixelFormatType_422YpCbCr8BiPlanarFullRange, true, AV_PIX_FMT_NV16 },
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#endif
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#if HAVE_KCVPIXELFORMATTYPE_422YPCBCR10BIPLANARVIDEORANGE
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{ kCVPixelFormatType_422YpCbCr10BiPlanarVideoRange, false, AV_PIX_FMT_P210 },
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{ kCVPixelFormatType_422YpCbCr10BiPlanarFullRange, true, AV_PIX_FMT_P210 },
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#endif
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#if HAVE_KCVPIXELFORMATTYPE_422YPCBCR16BIPLANARVIDEORANGE
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{ kCVPixelFormatType_422YpCbCr16BiPlanarVideoRange, false, AV_PIX_FMT_P216 },
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#endif
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#if HAVE_KCVPIXELFORMATTYPE_444YPCBCR8BIPLANARVIDEORANGE
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{ kCVPixelFormatType_444YpCbCr8BiPlanarVideoRange, false, AV_PIX_FMT_NV24 },
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{ kCVPixelFormatType_444YpCbCr8BiPlanarFullRange, true, AV_PIX_FMT_NV24 },
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#endif
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#if HAVE_KCVPIXELFORMATTYPE_444YPCBCR10BIPLANARVIDEORANGE
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{ kCVPixelFormatType_444YpCbCr10BiPlanarVideoRange, false, AV_PIX_FMT_P410 },
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{ kCVPixelFormatType_444YpCbCr10BiPlanarFullRange, true, AV_PIX_FMT_P410 },
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#endif
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#if HAVE_KCVPIXELFORMATTYPE_444YPCBCR16BIPLANARVIDEORANGE
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{ kCVPixelFormatType_444YpCbCr16BiPlanarVideoRange, false, AV_PIX_FMT_P416 },
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#endif
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};
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static const enum AVPixelFormat supported_formats[] = {
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#ifdef kCFCoreFoundationVersionNumber10_7
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AV_PIX_FMT_NV12,
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AV_PIX_FMT_AYUV64,
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#endif
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AV_PIX_FMT_YUV420P,
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AV_PIX_FMT_UYVY422,
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#if HAVE_KCVPIXELFORMATTYPE_420YPCBCR10BIPLANARVIDEORANGE
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AV_PIX_FMT_P010,
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#endif
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#if HAVE_KCVPIXELFORMATTYPE_422YPCBCR8BIPLANARVIDEORANGE
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AV_PIX_FMT_NV16,
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#endif
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#if HAVE_KCVPIXELFORMATTYPE_422YPCBCR10BIPLANARVIDEORANGE
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AV_PIX_FMT_P210,
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#endif
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#if HAVE_KCVPIXELFORMATTYPE_422YPCBCR16BIPLANARVIDEORANGE
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AV_PIX_FMT_P216,
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#endif
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#if HAVE_KCVPIXELFORMATTYPE_444YPCBCR8BIPLANARVIDEORANGE
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AV_PIX_FMT_NV24,
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#endif
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#if HAVE_KCVPIXELFORMATTYPE_444YPCBCR10BIPLANARVIDEORANGE
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AV_PIX_FMT_P410,
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#endif
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#if HAVE_KCVPIXELFORMATTYPE_444YPCBCR16BIPLANARVIDEORANGE
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AV_PIX_FMT_P416,
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#endif
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AV_PIX_FMT_BGRA,
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};
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static int vt_frames_get_constraints(AVHWDeviceContext *ctx,
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const void *hwconfig,
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AVHWFramesConstraints *constraints)
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{
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int i;
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constraints->valid_sw_formats = av_malloc_array(FF_ARRAY_ELEMS(supported_formats) + 1,
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sizeof(*constraints->valid_sw_formats));
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if (!constraints->valid_sw_formats)
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return AVERROR(ENOMEM);
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for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++)
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constraints->valid_sw_formats[i] = supported_formats[i];
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constraints->valid_sw_formats[FF_ARRAY_ELEMS(supported_formats)] = AV_PIX_FMT_NONE;
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constraints->valid_hw_formats = av_malloc_array(2, sizeof(*constraints->valid_hw_formats));
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if (!constraints->valid_hw_formats)
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return AVERROR(ENOMEM);
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constraints->valid_hw_formats[0] = AV_PIX_FMT_VIDEOTOOLBOX;
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constraints->valid_hw_formats[1] = AV_PIX_FMT_NONE;
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return 0;
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}
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enum AVPixelFormat av_map_videotoolbox_format_to_pixfmt(uint32_t cv_fmt)
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{
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int i;
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for (i = 0; i < FF_ARRAY_ELEMS(cv_pix_fmts); i++) {
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if (cv_pix_fmts[i].cv_fmt == cv_fmt)
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return cv_pix_fmts[i].pix_fmt;
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}
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return AV_PIX_FMT_NONE;
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}
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static uint32_t vt_format_from_pixfmt(enum AVPixelFormat pix_fmt,
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enum AVColorRange range)
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{
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for (int i = 0; i < FF_ARRAY_ELEMS(cv_pix_fmts); i++) {
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if (cv_pix_fmts[i].pix_fmt == pix_fmt) {
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int full_range = (range == AVCOL_RANGE_JPEG);
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// Don't care if unspecified
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if (range == AVCOL_RANGE_UNSPECIFIED)
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return cv_pix_fmts[i].cv_fmt;
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if (cv_pix_fmts[i].full_range == full_range)
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return cv_pix_fmts[i].cv_fmt;
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}
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}
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return 0;
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}
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uint32_t av_map_videotoolbox_format_from_pixfmt(enum AVPixelFormat pix_fmt)
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{
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return av_map_videotoolbox_format_from_pixfmt2(pix_fmt, false);
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}
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uint32_t av_map_videotoolbox_format_from_pixfmt2(enum AVPixelFormat pix_fmt, bool full_range)
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{
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return vt_format_from_pixfmt(pix_fmt, full_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG);
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}
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static int vt_pool_alloc(AVHWFramesContext *ctx)
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{
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VTFramesContext *fctx = ctx->internal->priv;
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CVReturn err;
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CFNumberRef w, h, pixfmt;
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uint32_t cv_pixfmt;
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CFMutableDictionaryRef attributes, iosurface_properties;
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AVVTFramesContext *hw_ctx = ctx->hwctx;
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attributes = CFDictionaryCreateMutable(
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NULL,
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2,
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&kCFTypeDictionaryKeyCallBacks,
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&kCFTypeDictionaryValueCallBacks);
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cv_pixfmt = vt_format_from_pixfmt(ctx->sw_format, hw_ctx->color_range);
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pixfmt = CFNumberCreate(NULL, kCFNumberSInt32Type, &cv_pixfmt);
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CFDictionarySetValue(
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attributes,
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kCVPixelBufferPixelFormatTypeKey,
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pixfmt);
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CFRelease(pixfmt);
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iosurface_properties = CFDictionaryCreateMutable(
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NULL,
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0,
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&kCFTypeDictionaryKeyCallBacks,
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&kCFTypeDictionaryValueCallBacks);
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CFDictionarySetValue(attributes, kCVPixelBufferIOSurfacePropertiesKey, iosurface_properties);
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CFRelease(iosurface_properties);
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w = CFNumberCreate(NULL, kCFNumberSInt32Type, &ctx->width);
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h = CFNumberCreate(NULL, kCFNumberSInt32Type, &ctx->height);
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CFDictionarySetValue(attributes, kCVPixelBufferWidthKey, w);
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CFDictionarySetValue(attributes, kCVPixelBufferHeightKey, h);
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CFRelease(w);
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CFRelease(h);
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err = CVPixelBufferPoolCreate(
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NULL,
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NULL,
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attributes,
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&fctx->pool);
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CFRelease(attributes);
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if (err == kCVReturnSuccess)
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return 0;
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av_log(ctx, AV_LOG_ERROR, "Error creating CVPixelBufferPool: %d\n", err);
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return AVERROR_EXTERNAL;
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}
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static void videotoolbox_buffer_release(void *opaque, uint8_t *data)
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{
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CVPixelBufferRelease((CVPixelBufferRef)data);
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}
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static AVBufferRef *vt_pool_alloc_buffer(void *opaque, size_t size)
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{
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CVPixelBufferRef pixbuf;
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AVBufferRef *buf;
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CVReturn err;
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AVHWFramesContext *ctx = opaque;
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VTFramesContext *fctx = ctx->internal->priv;
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err = CVPixelBufferPoolCreatePixelBuffer(
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NULL,
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fctx->pool,
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&pixbuf
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);
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if (err != kCVReturnSuccess) {
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av_log(ctx, AV_LOG_ERROR, "Failed to create pixel buffer from pool: %d\n", err);
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return NULL;
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}
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buf = av_buffer_create((uint8_t *)pixbuf, size,
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videotoolbox_buffer_release, NULL, 0);
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if (!buf) {
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CVPixelBufferRelease(pixbuf);
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return NULL;
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}
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return buf;
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}
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static void vt_frames_uninit(AVHWFramesContext *ctx)
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{
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VTFramesContext *fctx = ctx->internal->priv;
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if (fctx->pool) {
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CVPixelBufferPoolRelease(fctx->pool);
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fctx->pool = NULL;
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}
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}
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static int vt_frames_init(AVHWFramesContext *ctx)
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{
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int i, ret;
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for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++) {
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if (ctx->sw_format == supported_formats[i])
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break;
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}
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if (i == FF_ARRAY_ELEMS(supported_formats)) {
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av_log(ctx, AV_LOG_ERROR, "Pixel format '%s' is not supported\n",
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av_get_pix_fmt_name(ctx->sw_format));
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return AVERROR(ENOSYS);
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}
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if (!ctx->pool) {
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ctx->internal->pool_internal = av_buffer_pool_init2(
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sizeof(CVPixelBufferRef), ctx, vt_pool_alloc_buffer, NULL);
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if (!ctx->internal->pool_internal)
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return AVERROR(ENOMEM);
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}
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ret = vt_pool_alloc(ctx);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int vt_get_buffer(AVHWFramesContext *ctx, AVFrame *frame)
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{
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frame->buf[0] = av_buffer_pool_get(ctx->pool);
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if (!frame->buf[0])
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return AVERROR(ENOMEM);
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frame->data[3] = frame->buf[0]->data;
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frame->format = AV_PIX_FMT_VIDEOTOOLBOX;
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frame->width = ctx->width;
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frame->height = ctx->height;
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return 0;
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}
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static int vt_transfer_get_formats(AVHWFramesContext *ctx,
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enum AVHWFrameTransferDirection dir,
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enum AVPixelFormat **formats)
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{
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enum AVPixelFormat *fmts = av_malloc_array(2, sizeof(*fmts));
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if (!fmts)
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return AVERROR(ENOMEM);
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fmts[0] = ctx->sw_format;
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fmts[1] = AV_PIX_FMT_NONE;
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*formats = fmts;
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return 0;
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}
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static void vt_unmap(AVHWFramesContext *ctx, HWMapDescriptor *hwmap)
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{
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CVPixelBufferRef pixbuf = (CVPixelBufferRef)hwmap->source->data[3];
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CVPixelBufferUnlockBaseAddress(pixbuf, (uintptr_t)hwmap->priv);
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}
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static int vt_pixbuf_set_par(void *log_ctx,
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CVPixelBufferRef pixbuf, const AVFrame *src)
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{
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CFMutableDictionaryRef par = NULL;
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CFNumberRef num = NULL, den = NULL;
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AVRational avpar = src->sample_aspect_ratio;
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if (avpar.num == 0)
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return 0;
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av_reduce(&avpar.num, &avpar.den,
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avpar.num, avpar.den,
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0xFFFFFFFF);
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num = CFNumberCreate(kCFAllocatorDefault,
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kCFNumberIntType,
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&avpar.num);
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den = CFNumberCreate(kCFAllocatorDefault,
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kCFNumberIntType,
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&avpar.den);
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par = CFDictionaryCreateMutable(kCFAllocatorDefault,
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2,
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&kCFCopyStringDictionaryKeyCallBacks,
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&kCFTypeDictionaryValueCallBacks);
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if (!par || !num || !den) {
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if (par) CFRelease(par);
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if (num) CFRelease(num);
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if (den) CFRelease(den);
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return AVERROR(ENOMEM);
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}
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CFDictionarySetValue(
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par,
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kCVImageBufferPixelAspectRatioHorizontalSpacingKey,
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num);
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CFDictionarySetValue(
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par,
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kCVImageBufferPixelAspectRatioVerticalSpacingKey,
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den);
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CVBufferSetAttachment(
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pixbuf,
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kCVImageBufferPixelAspectRatioKey,
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par,
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kCVAttachmentMode_ShouldPropagate
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);
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CFRelease(par);
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CFRelease(num);
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CFRelease(den);
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return 0;
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}
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CFStringRef av_map_videotoolbox_chroma_loc_from_av(enum AVChromaLocation loc)
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{
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switch (loc) {
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case AVCHROMA_LOC_LEFT:
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return kCVImageBufferChromaLocation_Left;
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case AVCHROMA_LOC_CENTER:
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return kCVImageBufferChromaLocation_Center;
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case AVCHROMA_LOC_TOP:
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return kCVImageBufferChromaLocation_Top;
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case AVCHROMA_LOC_BOTTOM:
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return kCVImageBufferChromaLocation_Bottom;
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case AVCHROMA_LOC_TOPLEFT:
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return kCVImageBufferChromaLocation_TopLeft;
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case AVCHROMA_LOC_BOTTOMLEFT:
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return kCVImageBufferChromaLocation_BottomLeft;
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default:
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return NULL;
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}
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}
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static int vt_pixbuf_set_chromaloc(void *log_ctx,
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CVPixelBufferRef pixbuf, const AVFrame *src)
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{
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CFStringRef loc = av_map_videotoolbox_chroma_loc_from_av(src->chroma_location);
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if (loc) {
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CVBufferSetAttachment(
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pixbuf,
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kCVImageBufferChromaLocationTopFieldKey,
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loc,
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kCVAttachmentMode_ShouldPropagate);
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}
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return 0;
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}
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CFStringRef av_map_videotoolbox_color_matrix_from_av(enum AVColorSpace space)
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{
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switch (space) {
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case AVCOL_SPC_BT2020_CL:
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case AVCOL_SPC_BT2020_NCL:
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#if HAVE_KCVIMAGEBUFFERYCBCRMATRIX_ITU_R_2020
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if (__builtin_available(macOS 10.11, iOS 9, *))
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return kCVImageBufferYCbCrMatrix_ITU_R_2020;
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#endif
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return CFSTR("ITU_R_2020");
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case AVCOL_SPC_BT470BG:
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case AVCOL_SPC_SMPTE170M:
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return kCVImageBufferYCbCrMatrix_ITU_R_601_4;
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case AVCOL_SPC_BT709:
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return kCVImageBufferYCbCrMatrix_ITU_R_709_2;
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case AVCOL_SPC_SMPTE240M:
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return kCVImageBufferYCbCrMatrix_SMPTE_240M_1995;
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default:
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#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2100_HLG
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if (__builtin_available(macOS 10.13, iOS 11, tvOS 11, watchOS 4, *))
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return CVYCbCrMatrixGetStringForIntegerCodePoint(space);
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#endif
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case AVCOL_SPC_UNSPECIFIED:
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return NULL;
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}
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}
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CFStringRef av_map_videotoolbox_color_primaries_from_av(enum AVColorPrimaries pri)
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{
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switch (pri) {
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case AVCOL_PRI_BT2020:
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#if HAVE_KCVIMAGEBUFFERCOLORPRIMARIES_ITU_R_2020
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if (__builtin_available(macOS 10.11, iOS 9, *))
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return kCVImageBufferColorPrimaries_ITU_R_2020;
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#endif
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return CFSTR("ITU_R_2020");
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case AVCOL_PRI_BT709:
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return kCVImageBufferColorPrimaries_ITU_R_709_2;
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|
case AVCOL_PRI_SMPTE170M:
|
|
return kCVImageBufferColorPrimaries_SMPTE_C;
|
|
case AVCOL_PRI_BT470BG:
|
|
return kCVImageBufferColorPrimaries_EBU_3213;
|
|
default:
|
|
#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2100_HLG
|
|
if (__builtin_available(macOS 10.13, iOS 11, tvOS 11, watchOS 4, *))
|
|
return CVColorPrimariesGetStringForIntegerCodePoint(pri);
|
|
#endif
|
|
case AVCOL_PRI_UNSPECIFIED:
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
CFStringRef av_map_videotoolbox_color_trc_from_av(enum AVColorTransferCharacteristic trc)
|
|
{
|
|
|
|
switch (trc) {
|
|
case AVCOL_TRC_SMPTE2084:
|
|
#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_SMPTE_ST_2084_PQ
|
|
if (__builtin_available(macOS 10.13, iOS 11, *))
|
|
return kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ;
|
|
#endif
|
|
return CFSTR("SMPTE_ST_2084_PQ");
|
|
case AVCOL_TRC_BT2020_10:
|
|
case AVCOL_TRC_BT2020_12:
|
|
#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2020
|
|
if (__builtin_available(macOS 10.11, iOS 9, *))
|
|
return kCVImageBufferTransferFunction_ITU_R_2020;
|
|
#endif
|
|
return CFSTR("ITU_R_2020");
|
|
case AVCOL_TRC_BT709:
|
|
return kCVImageBufferTransferFunction_ITU_R_709_2;
|
|
case AVCOL_TRC_SMPTE240M:
|
|
return kCVImageBufferTransferFunction_SMPTE_240M_1995;
|
|
case AVCOL_TRC_SMPTE428:
|
|
#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_SMPTE_ST_428_1
|
|
if (__builtin_available(macOS 10.12, iOS 10, *))
|
|
return kCVImageBufferTransferFunction_SMPTE_ST_428_1;
|
|
#endif
|
|
return CFSTR("SMPTE_ST_428_1");
|
|
case AVCOL_TRC_ARIB_STD_B67:
|
|
#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2100_HLG
|
|
if (__builtin_available(macOS 10.13, iOS 11, *))
|
|
return kCVImageBufferTransferFunction_ITU_R_2100_HLG;
|
|
#endif
|
|
return CFSTR("ITU_R_2100_HLG");
|
|
case AVCOL_TRC_GAMMA22:
|
|
return kCVImageBufferTransferFunction_UseGamma;
|
|
case AVCOL_TRC_GAMMA28:
|
|
return kCVImageBufferTransferFunction_UseGamma;
|
|
default:
|
|
#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2100_HLG
|
|
if (__builtin_available(macOS 10.13, iOS 11, tvOS 11, watchOS 4, *))
|
|
return CVTransferFunctionGetStringForIntegerCodePoint(trc);
|
|
#endif
|
|
case AVCOL_TRC_UNSPECIFIED:
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static int vt_pixbuf_set_colorspace(void *log_ctx,
|
|
CVPixelBufferRef pixbuf, const AVFrame *src)
|
|
{
|
|
CFStringRef colormatrix = NULL, colorpri = NULL, colortrc = NULL;
|
|
Float32 gamma = 0;
|
|
|
|
colormatrix = av_map_videotoolbox_color_matrix_from_av(src->colorspace);
|
|
if (!colormatrix && src->colorspace != AVCOL_SPC_UNSPECIFIED)
|
|
av_log(log_ctx, AV_LOG_WARNING, "Color space %s is not supported.\n", av_color_space_name(src->colorspace));
|
|
|
|
colorpri = av_map_videotoolbox_color_primaries_from_av(src->color_primaries);
|
|
if (!colorpri && src->color_primaries != AVCOL_PRI_UNSPECIFIED)
|
|
av_log(log_ctx, AV_LOG_WARNING, "Color primaries %s is not supported.\n", av_color_primaries_name(src->color_primaries));
|
|
|
|
colortrc = av_map_videotoolbox_color_trc_from_av(src->color_trc);
|
|
if (!colortrc && src->color_trc != AVCOL_TRC_UNSPECIFIED)
|
|
av_log(log_ctx, AV_LOG_WARNING, "Color transfer function %s is not supported.\n", av_color_transfer_name(src->color_trc));
|
|
|
|
if (src->color_trc == AVCOL_TRC_GAMMA22)
|
|
gamma = 2.2;
|
|
else if (src->color_trc == AVCOL_TRC_GAMMA28)
|
|
gamma = 2.8;
|
|
|
|
if (colormatrix) {
|
|
CVBufferSetAttachment(
|
|
pixbuf,
|
|
kCVImageBufferYCbCrMatrixKey,
|
|
colormatrix,
|
|
kCVAttachmentMode_ShouldPropagate);
|
|
}
|
|
if (colorpri) {
|
|
CVBufferSetAttachment(
|
|
pixbuf,
|
|
kCVImageBufferColorPrimariesKey,
|
|
colorpri,
|
|
kCVAttachmentMode_ShouldPropagate);
|
|
}
|
|
if (colortrc) {
|
|
CVBufferSetAttachment(
|
|
pixbuf,
|
|
kCVImageBufferTransferFunctionKey,
|
|
colortrc,
|
|
kCVAttachmentMode_ShouldPropagate);
|
|
}
|
|
if (gamma != 0) {
|
|
CFNumberRef gamma_level = CFNumberCreate(NULL, kCFNumberFloat32Type, &gamma);
|
|
CVBufferSetAttachment(
|
|
pixbuf,
|
|
kCVImageBufferGammaLevelKey,
|
|
gamma_level,
|
|
kCVAttachmentMode_ShouldPropagate);
|
|
CFRelease(gamma_level);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vt_pixbuf_set_attachments(void *log_ctx,
|
|
CVPixelBufferRef pixbuf, const AVFrame *src)
|
|
{
|
|
int ret;
|
|
ret = vt_pixbuf_set_par(log_ctx, pixbuf, src);
|
|
if (ret < 0)
|
|
return ret;
|
|
ret = vt_pixbuf_set_colorspace(log_ctx, pixbuf, src);
|
|
if (ret < 0)
|
|
return ret;
|
|
ret = vt_pixbuf_set_chromaloc(log_ctx, pixbuf, src);
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
int av_vt_pixbuf_set_attachments(void *log_ctx,
|
|
CVPixelBufferRef pixbuf, const AVFrame *src)
|
|
{
|
|
return vt_pixbuf_set_attachments(log_ctx, pixbuf, src);
|
|
}
|
|
|
|
static int vt_map_frame(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src,
|
|
int flags)
|
|
{
|
|
CVPixelBufferRef pixbuf = (CVPixelBufferRef)src->data[3];
|
|
OSType pixel_format = CVPixelBufferGetPixelFormatType(pixbuf);
|
|
CVReturn err;
|
|
uint32_t map_flags = 0;
|
|
int ret;
|
|
int i;
|
|
enum AVPixelFormat format;
|
|
|
|
format = av_map_videotoolbox_format_to_pixfmt(pixel_format);
|
|
if (dst->format != format) {
|
|
av_log(ctx, AV_LOG_ERROR, "Unsupported or mismatching pixel format: %s\n",
|
|
av_fourcc2str(pixel_format));
|
|
return AVERROR_UNKNOWN;
|
|
}
|
|
|
|
if (CVPixelBufferGetWidth(pixbuf) != ctx->width ||
|
|
CVPixelBufferGetHeight(pixbuf) != ctx->height) {
|
|
av_log(ctx, AV_LOG_ERROR, "Inconsistent frame dimensions.\n");
|
|
return AVERROR_UNKNOWN;
|
|
}
|
|
|
|
if (flags == AV_HWFRAME_MAP_READ)
|
|
map_flags = kCVPixelBufferLock_ReadOnly;
|
|
|
|
err = CVPixelBufferLockBaseAddress(pixbuf, map_flags);
|
|
if (err != kCVReturnSuccess) {
|
|
av_log(ctx, AV_LOG_ERROR, "Error locking the pixel buffer.\n");
|
|
return AVERROR_UNKNOWN;
|
|
}
|
|
|
|
if (CVPixelBufferIsPlanar(pixbuf)) {
|
|
int planes = CVPixelBufferGetPlaneCount(pixbuf);
|
|
for (i = 0; i < planes; i++) {
|
|
dst->data[i] = CVPixelBufferGetBaseAddressOfPlane(pixbuf, i);
|
|
dst->linesize[i] = CVPixelBufferGetBytesPerRowOfPlane(pixbuf, i);
|
|
}
|
|
} else {
|
|
dst->data[0] = CVPixelBufferGetBaseAddress(pixbuf);
|
|
dst->linesize[0] = CVPixelBufferGetBytesPerRow(pixbuf);
|
|
}
|
|
|
|
ret = ff_hwframe_map_create(src->hw_frames_ctx, dst, src, vt_unmap,
|
|
(void *)(uintptr_t)map_flags);
|
|
if (ret < 0)
|
|
goto unlock;
|
|
|
|
return 0;
|
|
|
|
unlock:
|
|
CVPixelBufferUnlockBaseAddress(pixbuf, map_flags);
|
|
return ret;
|
|
}
|
|
|
|
static int vt_transfer_data_from(AVHWFramesContext *hwfc,
|
|
AVFrame *dst, const AVFrame *src)
|
|
{
|
|
AVFrame *map;
|
|
int err;
|
|
|
|
if (dst->width > hwfc->width || dst->height > hwfc->height)
|
|
return AVERROR(EINVAL);
|
|
|
|
map = av_frame_alloc();
|
|
if (!map)
|
|
return AVERROR(ENOMEM);
|
|
map->format = dst->format;
|
|
|
|
err = vt_map_frame(hwfc, map, src, AV_HWFRAME_MAP_READ);
|
|
if (err)
|
|
goto fail;
|
|
|
|
map->width = dst->width;
|
|
map->height = dst->height;
|
|
|
|
err = av_frame_copy(dst, map);
|
|
if (err)
|
|
goto fail;
|
|
|
|
err = 0;
|
|
fail:
|
|
av_frame_free(&map);
|
|
return err;
|
|
}
|
|
|
|
static int vt_transfer_data_to(AVHWFramesContext *hwfc,
|
|
AVFrame *dst, const AVFrame *src)
|
|
{
|
|
AVFrame *map;
|
|
int err;
|
|
|
|
if (src->width > hwfc->width || src->height > hwfc->height)
|
|
return AVERROR(EINVAL);
|
|
|
|
map = av_frame_alloc();
|
|
if (!map)
|
|
return AVERROR(ENOMEM);
|
|
map->format = src->format;
|
|
|
|
err = vt_map_frame(hwfc, map, dst, AV_HWFRAME_MAP_WRITE | AV_HWFRAME_MAP_OVERWRITE);
|
|
if (err)
|
|
goto fail;
|
|
|
|
map->width = src->width;
|
|
map->height = src->height;
|
|
|
|
err = av_frame_copy(map, src);
|
|
if (err)
|
|
goto fail;
|
|
|
|
err = vt_pixbuf_set_attachments(hwfc, (CVPixelBufferRef)dst->data[3], src);
|
|
if (err)
|
|
goto fail;
|
|
|
|
err = 0;
|
|
fail:
|
|
av_frame_free(&map);
|
|
return err;
|
|
}
|
|
|
|
static int vt_map_from(AVHWFramesContext *hwfc, AVFrame *dst,
|
|
const AVFrame *src, int flags)
|
|
{
|
|
int err;
|
|
|
|
if (dst->format == AV_PIX_FMT_NONE)
|
|
dst->format = hwfc->sw_format;
|
|
else if (dst->format != hwfc->sw_format)
|
|
return AVERROR(ENOSYS);
|
|
|
|
err = vt_map_frame(hwfc, dst, src, flags);
|
|
if (err)
|
|
return err;
|
|
|
|
dst->width = src->width;
|
|
dst->height = src->height;
|
|
|
|
err = av_frame_copy_props(dst, src);
|
|
if (err)
|
|
return err;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vt_device_create(AVHWDeviceContext *ctx, const char *device,
|
|
AVDictionary *opts, int flags)
|
|
{
|
|
if (device && device[0]) {
|
|
av_log(ctx, AV_LOG_ERROR, "Device selection unsupported.\n");
|
|
return AVERROR_UNKNOWN;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
const HWContextType ff_hwcontext_type_videotoolbox = {
|
|
.type = AV_HWDEVICE_TYPE_VIDEOTOOLBOX,
|
|
.name = "videotoolbox",
|
|
|
|
.frames_priv_size = sizeof(VTFramesContext),
|
|
|
|
.device_create = vt_device_create,
|
|
.frames_hwctx_size = sizeof(AVVTFramesContext),
|
|
.frames_init = vt_frames_init,
|
|
.frames_get_buffer = vt_get_buffer,
|
|
.frames_get_constraints = vt_frames_get_constraints,
|
|
.frames_uninit = vt_frames_uninit,
|
|
.transfer_get_formats = vt_transfer_get_formats,
|
|
.transfer_data_to = vt_transfer_data_to,
|
|
.transfer_data_from = vt_transfer_data_from,
|
|
.map_from = vt_map_from,
|
|
|
|
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_VIDEOTOOLBOX, AV_PIX_FMT_NONE },
|
|
};
|