mirror of https://git.ffmpeg.org/ffmpeg.git
2609 lines
83 KiB
C
2609 lines
83 KiB
C
/*
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* copyright (c) 2015 Rick Kern <kernrj@gmail.com>
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*
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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 <VideoToolbox/VideoToolbox.h>
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#include <CoreVideo/CoreVideo.h>
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#include <CoreMedia/CoreMedia.h>
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#include <TargetConditionals.h>
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#include <Availability.h>
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#include "avcodec.h"
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#include "libavutil/opt.h"
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#include "libavutil/avassert.h"
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#include "libavutil/avstring.h"
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#include "libavcodec/avcodec.h"
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#include "libavutil/pixdesc.h"
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#include "internal.h"
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#include <pthread.h>
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#include "h264.h"
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#include "h264_sei.h"
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#include <dlfcn.h>
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#if !HAVE_KCMVIDEOCODECTYPE_HEVC
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enum { kCMVideoCodecType_HEVC = 'hvc1' };
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#endif
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typedef OSStatus (*getParameterSetAtIndex)(CMFormatDescriptionRef videoDesc,
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size_t parameterSetIndex,
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const uint8_t * _Nullable *parameterSetPointerOut,
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size_t *parameterSetSizeOut,
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size_t *parameterSetCountOut,
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int *NALUnitHeaderLengthOut);
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//These symbols may not be present
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static struct{
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CFStringRef kCVImageBufferColorPrimaries_ITU_R_2020;
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CFStringRef kCVImageBufferTransferFunction_ITU_R_2020;
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CFStringRef kCVImageBufferYCbCrMatrix_ITU_R_2020;
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CFStringRef kVTCompressionPropertyKey_H264EntropyMode;
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CFStringRef kVTH264EntropyMode_CAVLC;
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CFStringRef kVTH264EntropyMode_CABAC;
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CFStringRef kVTProfileLevel_H264_Baseline_4_0;
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CFStringRef kVTProfileLevel_H264_Baseline_4_2;
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CFStringRef kVTProfileLevel_H264_Baseline_5_0;
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CFStringRef kVTProfileLevel_H264_Baseline_5_1;
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CFStringRef kVTProfileLevel_H264_Baseline_5_2;
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CFStringRef kVTProfileLevel_H264_Baseline_AutoLevel;
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CFStringRef kVTProfileLevel_H264_Main_4_2;
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CFStringRef kVTProfileLevel_H264_Main_5_1;
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CFStringRef kVTProfileLevel_H264_Main_5_2;
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CFStringRef kVTProfileLevel_H264_Main_AutoLevel;
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CFStringRef kVTProfileLevel_H264_High_3_0;
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CFStringRef kVTProfileLevel_H264_High_3_1;
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CFStringRef kVTProfileLevel_H264_High_3_2;
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CFStringRef kVTProfileLevel_H264_High_4_0;
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CFStringRef kVTProfileLevel_H264_High_4_1;
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CFStringRef kVTProfileLevel_H264_High_4_2;
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CFStringRef kVTProfileLevel_H264_High_5_1;
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CFStringRef kVTProfileLevel_H264_High_5_2;
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CFStringRef kVTProfileLevel_H264_High_AutoLevel;
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CFStringRef kVTProfileLevel_HEVC_Main_AutoLevel;
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CFStringRef kVTProfileLevel_HEVC_Main10_AutoLevel;
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CFStringRef kVTCompressionPropertyKey_RealTime;
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CFStringRef kVTVideoEncoderSpecification_EnableHardwareAcceleratedVideoEncoder;
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CFStringRef kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder;
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getParameterSetAtIndex CMVideoFormatDescriptionGetHEVCParameterSetAtIndex;
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} compat_keys;
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#define GET_SYM(symbol, defaultVal) \
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do{ \
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CFStringRef* handle = (CFStringRef*)dlsym(RTLD_DEFAULT, #symbol); \
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if(!handle) \
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compat_keys.symbol = CFSTR(defaultVal); \
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else \
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compat_keys.symbol = *handle; \
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}while(0)
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static pthread_once_t once_ctrl = PTHREAD_ONCE_INIT;
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static void loadVTEncSymbols(){
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compat_keys.CMVideoFormatDescriptionGetHEVCParameterSetAtIndex =
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(getParameterSetAtIndex)dlsym(
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RTLD_DEFAULT,
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"CMVideoFormatDescriptionGetHEVCParameterSetAtIndex"
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);
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GET_SYM(kCVImageBufferColorPrimaries_ITU_R_2020, "ITU_R_2020");
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GET_SYM(kCVImageBufferTransferFunction_ITU_R_2020, "ITU_R_2020");
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GET_SYM(kCVImageBufferYCbCrMatrix_ITU_R_2020, "ITU_R_2020");
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GET_SYM(kVTCompressionPropertyKey_H264EntropyMode, "H264EntropyMode");
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GET_SYM(kVTH264EntropyMode_CAVLC, "CAVLC");
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GET_SYM(kVTH264EntropyMode_CABAC, "CABAC");
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GET_SYM(kVTProfileLevel_H264_Baseline_4_0, "H264_Baseline_4_0");
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GET_SYM(kVTProfileLevel_H264_Baseline_4_2, "H264_Baseline_4_2");
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GET_SYM(kVTProfileLevel_H264_Baseline_5_0, "H264_Baseline_5_0");
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GET_SYM(kVTProfileLevel_H264_Baseline_5_1, "H264_Baseline_5_1");
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GET_SYM(kVTProfileLevel_H264_Baseline_5_2, "H264_Baseline_5_2");
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GET_SYM(kVTProfileLevel_H264_Baseline_AutoLevel, "H264_Baseline_AutoLevel");
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GET_SYM(kVTProfileLevel_H264_Main_4_2, "H264_Main_4_2");
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GET_SYM(kVTProfileLevel_H264_Main_5_1, "H264_Main_5_1");
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GET_SYM(kVTProfileLevel_H264_Main_5_2, "H264_Main_5_2");
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GET_SYM(kVTProfileLevel_H264_Main_AutoLevel, "H264_Main_AutoLevel");
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GET_SYM(kVTProfileLevel_H264_High_3_0, "H264_High_3_0");
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GET_SYM(kVTProfileLevel_H264_High_3_1, "H264_High_3_1");
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GET_SYM(kVTProfileLevel_H264_High_3_2, "H264_High_3_2");
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GET_SYM(kVTProfileLevel_H264_High_4_0, "H264_High_4_0");
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GET_SYM(kVTProfileLevel_H264_High_4_1, "H264_High_4_1");
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GET_SYM(kVTProfileLevel_H264_High_4_2, "H264_High_4_2");
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GET_SYM(kVTProfileLevel_H264_High_5_1, "H264_High_5_1");
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GET_SYM(kVTProfileLevel_H264_High_5_2, "H264_High_5_2");
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GET_SYM(kVTProfileLevel_H264_High_AutoLevel, "H264_High_AutoLevel");
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GET_SYM(kVTProfileLevel_HEVC_Main_AutoLevel, "HEVC_Main_AutoLevel");
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GET_SYM(kVTProfileLevel_HEVC_Main10_AutoLevel, "HEVC_Main10_AutoLevel");
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GET_SYM(kVTCompressionPropertyKey_RealTime, "RealTime");
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GET_SYM(kVTVideoEncoderSpecification_EnableHardwareAcceleratedVideoEncoder,
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"EnableHardwareAcceleratedVideoEncoder");
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GET_SYM(kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder,
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"RequireHardwareAcceleratedVideoEncoder");
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}
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typedef enum VT_H264Profile {
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H264_PROF_AUTO,
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H264_PROF_BASELINE,
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H264_PROF_MAIN,
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H264_PROF_HIGH,
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H264_PROF_COUNT
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} VT_H264Profile;
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typedef enum VTH264Entropy{
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VT_ENTROPY_NOT_SET,
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VT_CAVLC,
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VT_CABAC
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} VTH264Entropy;
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typedef enum VT_HEVCProfile {
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HEVC_PROF_AUTO,
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HEVC_PROF_MAIN,
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HEVC_PROF_MAIN10,
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HEVC_PROF_COUNT
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} VT_HEVCProfile;
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static const uint8_t start_code[] = { 0, 0, 0, 1 };
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typedef struct ExtraSEI {
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void *data;
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size_t size;
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} ExtraSEI;
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typedef struct BufNode {
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CMSampleBufferRef cm_buffer;
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ExtraSEI *sei;
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struct BufNode* next;
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int error;
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} BufNode;
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typedef struct VTEncContext {
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AVClass *class;
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enum AVCodecID codec_id;
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VTCompressionSessionRef session;
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CFStringRef ycbcr_matrix;
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CFStringRef color_primaries;
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CFStringRef transfer_function;
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getParameterSetAtIndex get_param_set_func;
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pthread_mutex_t lock;
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pthread_cond_t cv_sample_sent;
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int async_error;
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BufNode *q_head;
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BufNode *q_tail;
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int64_t frame_ct_out;
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int64_t frame_ct_in;
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int64_t first_pts;
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int64_t dts_delta;
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int64_t profile;
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int64_t level;
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int64_t entropy;
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int64_t realtime;
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int64_t frames_before;
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int64_t frames_after;
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int64_t allow_sw;
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bool flushing;
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bool has_b_frames;
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bool warned_color_range;
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bool a53_cc;
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} VTEncContext;
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static int vtenc_populate_extradata(AVCodecContext *avctx,
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CMVideoCodecType codec_type,
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CFStringRef profile_level,
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CFNumberRef gamma_level,
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CFDictionaryRef enc_info,
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CFDictionaryRef pixel_buffer_info);
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/**
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* NULL-safe release of *refPtr, and sets value to NULL.
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*/
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static void vt_release_num(CFNumberRef* refPtr){
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if (!*refPtr) {
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return;
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}
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CFRelease(*refPtr);
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*refPtr = NULL;
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}
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static void set_async_error(VTEncContext *vtctx, int err)
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{
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BufNode *info;
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pthread_mutex_lock(&vtctx->lock);
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vtctx->async_error = err;
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info = vtctx->q_head;
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vtctx->q_head = vtctx->q_tail = NULL;
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while (info) {
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BufNode *next = info->next;
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CFRelease(info->cm_buffer);
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av_free(info);
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info = next;
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}
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pthread_mutex_unlock(&vtctx->lock);
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}
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static void clear_frame_queue(VTEncContext *vtctx)
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{
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set_async_error(vtctx, 0);
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}
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static int vtenc_q_pop(VTEncContext *vtctx, bool wait, CMSampleBufferRef *buf, ExtraSEI **sei)
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{
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BufNode *info;
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pthread_mutex_lock(&vtctx->lock);
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if (vtctx->async_error) {
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pthread_mutex_unlock(&vtctx->lock);
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return vtctx->async_error;
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}
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if (vtctx->flushing && vtctx->frame_ct_in == vtctx->frame_ct_out) {
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*buf = NULL;
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pthread_mutex_unlock(&vtctx->lock);
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return 0;
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}
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while (!vtctx->q_head && !vtctx->async_error && wait) {
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pthread_cond_wait(&vtctx->cv_sample_sent, &vtctx->lock);
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}
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if (!vtctx->q_head) {
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pthread_mutex_unlock(&vtctx->lock);
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*buf = NULL;
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return 0;
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}
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info = vtctx->q_head;
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vtctx->q_head = vtctx->q_head->next;
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if (!vtctx->q_head) {
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vtctx->q_tail = NULL;
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}
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pthread_mutex_unlock(&vtctx->lock);
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*buf = info->cm_buffer;
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if (sei && *buf) {
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*sei = info->sei;
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} else if (info->sei) {
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if (info->sei->data) av_free(info->sei->data);
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av_free(info->sei);
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}
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av_free(info);
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vtctx->frame_ct_out++;
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return 0;
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}
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static void vtenc_q_push(VTEncContext *vtctx, CMSampleBufferRef buffer, ExtraSEI *sei)
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{
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BufNode *info = av_malloc(sizeof(BufNode));
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if (!info) {
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set_async_error(vtctx, AVERROR(ENOMEM));
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return;
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}
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CFRetain(buffer);
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info->cm_buffer = buffer;
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info->sei = sei;
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info->next = NULL;
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pthread_mutex_lock(&vtctx->lock);
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pthread_cond_signal(&vtctx->cv_sample_sent);
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if (!vtctx->q_head) {
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vtctx->q_head = info;
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} else {
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vtctx->q_tail->next = info;
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}
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vtctx->q_tail = info;
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pthread_mutex_unlock(&vtctx->lock);
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}
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static int count_nalus(size_t length_code_size,
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CMSampleBufferRef sample_buffer,
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int *count)
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{
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size_t offset = 0;
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int status;
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int nalu_ct = 0;
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uint8_t size_buf[4];
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size_t src_size = CMSampleBufferGetTotalSampleSize(sample_buffer);
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CMBlockBufferRef block = CMSampleBufferGetDataBuffer(sample_buffer);
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if (length_code_size > 4)
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return AVERROR_INVALIDDATA;
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while (offset < src_size) {
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size_t curr_src_len;
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size_t box_len = 0;
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size_t i;
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status = CMBlockBufferCopyDataBytes(block,
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offset,
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length_code_size,
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size_buf);
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for (i = 0; i < length_code_size; i++) {
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box_len <<= 8;
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box_len |= size_buf[i];
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}
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curr_src_len = box_len + length_code_size;
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offset += curr_src_len;
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nalu_ct++;
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}
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*count = nalu_ct;
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return 0;
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}
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static CMVideoCodecType get_cm_codec_type(enum AVCodecID id)
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{
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switch (id) {
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case AV_CODEC_ID_H264: return kCMVideoCodecType_H264;
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case AV_CODEC_ID_HEVC: return kCMVideoCodecType_HEVC;
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default: return 0;
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}
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}
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/**
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* Get the parameter sets from a CMSampleBufferRef.
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* @param dst If *dst isn't NULL, the parameters are copied into existing
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* memory. *dst_size must be set accordingly when *dst != NULL.
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* If *dst is NULL, it will be allocated.
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* In all cases, *dst_size is set to the number of bytes used starting
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* at *dst.
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*/
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static int get_params_size(
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AVCodecContext *avctx,
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CMVideoFormatDescriptionRef vid_fmt,
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size_t *size)
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{
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VTEncContext *vtctx = avctx->priv_data;
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size_t total_size = 0;
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size_t ps_count;
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int is_count_bad = 0;
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size_t i;
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int status;
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status = vtctx->get_param_set_func(vid_fmt,
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0,
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NULL,
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NULL,
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&ps_count,
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NULL);
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if (status) {
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is_count_bad = 1;
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ps_count = 0;
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status = 0;
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}
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for (i = 0; i < ps_count || is_count_bad; i++) {
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const uint8_t *ps;
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size_t ps_size;
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status = vtctx->get_param_set_func(vid_fmt,
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i,
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&ps,
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&ps_size,
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NULL,
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NULL);
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if (status) {
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/*
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* When ps_count is invalid, status != 0 ends the loop normally
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* unless we didn't get any parameter sets.
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*/
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if (i > 0 && is_count_bad) status = 0;
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break;
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}
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total_size += ps_size + sizeof(start_code);
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}
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if (status) {
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av_log(avctx, AV_LOG_ERROR, "Error getting parameter set sizes: %d\n", status);
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return AVERROR_EXTERNAL;
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}
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*size = total_size;
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return 0;
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}
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static int copy_param_sets(
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AVCodecContext *avctx,
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CMVideoFormatDescriptionRef vid_fmt,
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uint8_t *dst,
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size_t dst_size)
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{
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VTEncContext *vtctx = avctx->priv_data;
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size_t ps_count;
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int is_count_bad = 0;
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int status;
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size_t offset = 0;
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size_t i;
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status = vtctx->get_param_set_func(vid_fmt,
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0,
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NULL,
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NULL,
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&ps_count,
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NULL);
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if (status) {
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is_count_bad = 1;
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ps_count = 0;
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status = 0;
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}
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|
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for (i = 0; i < ps_count || is_count_bad; i++) {
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const uint8_t *ps;
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size_t ps_size;
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size_t next_offset;
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status = vtctx->get_param_set_func(vid_fmt,
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i,
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&ps,
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&ps_size,
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NULL,
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NULL);
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if (status) {
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if (i > 0 && is_count_bad) status = 0;
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break;
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}
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next_offset = offset + sizeof(start_code) + ps_size;
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if (dst_size < next_offset) {
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av_log(avctx, AV_LOG_ERROR, "Error: buffer too small for parameter sets.\n");
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return AVERROR_BUFFER_TOO_SMALL;
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}
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memcpy(dst + offset, start_code, sizeof(start_code));
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offset += sizeof(start_code);
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memcpy(dst + offset, ps, ps_size);
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offset = next_offset;
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|
}
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error getting parameter set data: %d\n", status);
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int set_extradata(AVCodecContext *avctx, CMSampleBufferRef sample_buffer)
|
|
{
|
|
CMVideoFormatDescriptionRef vid_fmt;
|
|
size_t total_size;
|
|
int status;
|
|
|
|
vid_fmt = CMSampleBufferGetFormatDescription(sample_buffer);
|
|
if (!vid_fmt) {
|
|
av_log(avctx, AV_LOG_ERROR, "No video format.\n");
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
status = get_params_size(avctx, vid_fmt, &total_size);
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Could not get parameter sets.\n");
|
|
return status;
|
|
}
|
|
|
|
avctx->extradata = av_mallocz(total_size + AV_INPUT_BUFFER_PADDING_SIZE);
|
|
if (!avctx->extradata) {
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
avctx->extradata_size = total_size;
|
|
|
|
status = copy_param_sets(avctx, vid_fmt, avctx->extradata, total_size);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Could not copy param sets.\n");
|
|
return status;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void vtenc_output_callback(
|
|
void *ctx,
|
|
void *sourceFrameCtx,
|
|
OSStatus status,
|
|
VTEncodeInfoFlags flags,
|
|
CMSampleBufferRef sample_buffer)
|
|
{
|
|
AVCodecContext *avctx = ctx;
|
|
VTEncContext *vtctx = avctx->priv_data;
|
|
ExtraSEI *sei = sourceFrameCtx;
|
|
|
|
if (vtctx->async_error) {
|
|
if(sample_buffer) CFRelease(sample_buffer);
|
|
return;
|
|
}
|
|
|
|
if (status || !sample_buffer) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error encoding frame: %d\n", (int)status);
|
|
set_async_error(vtctx, AVERROR_EXTERNAL);
|
|
return;
|
|
}
|
|
|
|
if (!avctx->extradata && (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)) {
|
|
int set_status = set_extradata(avctx, sample_buffer);
|
|
if (set_status) {
|
|
set_async_error(vtctx, set_status);
|
|
return;
|
|
}
|
|
}
|
|
|
|
vtenc_q_push(vtctx, sample_buffer, sei);
|
|
}
|
|
|
|
static int get_length_code_size(
|
|
AVCodecContext *avctx,
|
|
CMSampleBufferRef sample_buffer,
|
|
size_t *size)
|
|
{
|
|
VTEncContext *vtctx = avctx->priv_data;
|
|
CMVideoFormatDescriptionRef vid_fmt;
|
|
int isize;
|
|
int status;
|
|
|
|
vid_fmt = CMSampleBufferGetFormatDescription(sample_buffer);
|
|
if (!vid_fmt) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error getting buffer format description.\n");
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
status = vtctx->get_param_set_func(vid_fmt,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&isize);
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error getting length code size: %d\n", status);
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
*size = isize;
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Returns true on success.
|
|
*
|
|
* If profile_level_val is NULL and this method returns true, don't specify the
|
|
* profile/level to the encoder.
|
|
*/
|
|
static bool get_vt_h264_profile_level(AVCodecContext *avctx,
|
|
CFStringRef *profile_level_val)
|
|
{
|
|
VTEncContext *vtctx = avctx->priv_data;
|
|
int64_t profile = vtctx->profile;
|
|
|
|
if (profile == H264_PROF_AUTO && vtctx->level) {
|
|
//Need to pick a profile if level is not auto-selected.
|
|
profile = vtctx->has_b_frames ? H264_PROF_MAIN : H264_PROF_BASELINE;
|
|
}
|
|
|
|
*profile_level_val = NULL;
|
|
|
|
switch (profile) {
|
|
case H264_PROF_AUTO:
|
|
return true;
|
|
|
|
case H264_PROF_BASELINE:
|
|
switch (vtctx->level) {
|
|
case 0: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_Baseline_AutoLevel; break;
|
|
case 13: *profile_level_val = kVTProfileLevel_H264_Baseline_1_3; break;
|
|
case 30: *profile_level_val = kVTProfileLevel_H264_Baseline_3_0; break;
|
|
case 31: *profile_level_val = kVTProfileLevel_H264_Baseline_3_1; break;
|
|
case 32: *profile_level_val = kVTProfileLevel_H264_Baseline_3_2; break;
|
|
case 40: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_Baseline_4_0; break;
|
|
case 41: *profile_level_val = kVTProfileLevel_H264_Baseline_4_1; break;
|
|
case 42: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_Baseline_4_2; break;
|
|
case 50: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_Baseline_5_0; break;
|
|
case 51: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_Baseline_5_1; break;
|
|
case 52: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_Baseline_5_2; break;
|
|
}
|
|
break;
|
|
|
|
case H264_PROF_MAIN:
|
|
switch (vtctx->level) {
|
|
case 0: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_Main_AutoLevel; break;
|
|
case 30: *profile_level_val = kVTProfileLevel_H264_Main_3_0; break;
|
|
case 31: *profile_level_val = kVTProfileLevel_H264_Main_3_1; break;
|
|
case 32: *profile_level_val = kVTProfileLevel_H264_Main_3_2; break;
|
|
case 40: *profile_level_val = kVTProfileLevel_H264_Main_4_0; break;
|
|
case 41: *profile_level_val = kVTProfileLevel_H264_Main_4_1; break;
|
|
case 42: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_Main_4_2; break;
|
|
case 50: *profile_level_val = kVTProfileLevel_H264_Main_5_0; break;
|
|
case 51: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_Main_5_1; break;
|
|
case 52: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_Main_5_2; break;
|
|
}
|
|
break;
|
|
|
|
case H264_PROF_HIGH:
|
|
switch (vtctx->level) {
|
|
case 0: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_High_AutoLevel; break;
|
|
case 30: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_High_3_0; break;
|
|
case 31: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_High_3_1; break;
|
|
case 32: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_High_3_2; break;
|
|
case 40: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_High_4_0; break;
|
|
case 41: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_High_4_1; break;
|
|
case 42: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_High_4_2; break;
|
|
case 50: *profile_level_val = kVTProfileLevel_H264_High_5_0; break;
|
|
case 51: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_High_5_1; break;
|
|
case 52: *profile_level_val =
|
|
compat_keys.kVTProfileLevel_H264_High_5_2; break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (!*profile_level_val) {
|
|
av_log(avctx, AV_LOG_ERROR, "Invalid Profile/Level.\n");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Returns true on success.
|
|
*
|
|
* If profile_level_val is NULL and this method returns true, don't specify the
|
|
* profile/level to the encoder.
|
|
*/
|
|
static bool get_vt_hevc_profile_level(AVCodecContext *avctx,
|
|
CFStringRef *profile_level_val)
|
|
{
|
|
VTEncContext *vtctx = avctx->priv_data;
|
|
int64_t profile = vtctx->profile;
|
|
|
|
*profile_level_val = NULL;
|
|
|
|
switch (profile) {
|
|
case HEVC_PROF_AUTO:
|
|
return true;
|
|
case HEVC_PROF_MAIN:
|
|
*profile_level_val =
|
|
compat_keys.kVTProfileLevel_HEVC_Main_AutoLevel;
|
|
break;
|
|
case HEVC_PROF_MAIN10:
|
|
*profile_level_val =
|
|
compat_keys.kVTProfileLevel_HEVC_Main10_AutoLevel;
|
|
break;
|
|
}
|
|
|
|
if (!*profile_level_val) {
|
|
av_log(avctx, AV_LOG_ERROR, "Invalid Profile/Level.\n");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static int get_cv_pixel_format(AVCodecContext* avctx,
|
|
enum AVPixelFormat fmt,
|
|
enum AVColorRange range,
|
|
int* av_pixel_format,
|
|
int* range_guessed)
|
|
{
|
|
if (range_guessed) *range_guessed = range != AVCOL_RANGE_MPEG &&
|
|
range != AVCOL_RANGE_JPEG;
|
|
|
|
//MPEG range is used when no range is set
|
|
if (fmt == AV_PIX_FMT_NV12) {
|
|
*av_pixel_format = range == AVCOL_RANGE_JPEG ?
|
|
kCVPixelFormatType_420YpCbCr8BiPlanarFullRange :
|
|
kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange;
|
|
} else if (fmt == AV_PIX_FMT_YUV420P) {
|
|
*av_pixel_format = range == AVCOL_RANGE_JPEG ?
|
|
kCVPixelFormatType_420YpCbCr8PlanarFullRange :
|
|
kCVPixelFormatType_420YpCbCr8Planar;
|
|
} else {
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void add_color_attr(AVCodecContext *avctx, CFMutableDictionaryRef dict) {
|
|
VTEncContext *vtctx = avctx->priv_data;
|
|
|
|
if (vtctx->color_primaries) {
|
|
CFDictionarySetValue(dict,
|
|
kCVImageBufferColorPrimariesKey,
|
|
vtctx->color_primaries);
|
|
}
|
|
|
|
if (vtctx->transfer_function) {
|
|
CFDictionarySetValue(dict,
|
|
kCVImageBufferTransferFunctionKey,
|
|
vtctx->transfer_function);
|
|
}
|
|
|
|
if (vtctx->ycbcr_matrix) {
|
|
CFDictionarySetValue(dict,
|
|
kCVImageBufferYCbCrMatrixKey,
|
|
vtctx->ycbcr_matrix);
|
|
}
|
|
}
|
|
|
|
static int create_cv_pixel_buffer_info(AVCodecContext* avctx,
|
|
CFMutableDictionaryRef* dict)
|
|
{
|
|
CFNumberRef cv_color_format_num = NULL;
|
|
CFNumberRef width_num = NULL;
|
|
CFNumberRef height_num = NULL;
|
|
CFMutableDictionaryRef pixel_buffer_info = NULL;
|
|
int cv_color_format;
|
|
int status = get_cv_pixel_format(avctx,
|
|
avctx->pix_fmt,
|
|
avctx->color_range,
|
|
&cv_color_format,
|
|
NULL);
|
|
if (status) return status;
|
|
|
|
pixel_buffer_info = CFDictionaryCreateMutable(
|
|
kCFAllocatorDefault,
|
|
20,
|
|
&kCFCopyStringDictionaryKeyCallBacks,
|
|
&kCFTypeDictionaryValueCallBacks);
|
|
|
|
if (!pixel_buffer_info) goto pbinfo_nomem;
|
|
|
|
cv_color_format_num = CFNumberCreate(kCFAllocatorDefault,
|
|
kCFNumberSInt32Type,
|
|
&cv_color_format);
|
|
if (!cv_color_format_num) goto pbinfo_nomem;
|
|
|
|
CFDictionarySetValue(pixel_buffer_info,
|
|
kCVPixelBufferPixelFormatTypeKey,
|
|
cv_color_format_num);
|
|
vt_release_num(&cv_color_format_num);
|
|
|
|
width_num = CFNumberCreate(kCFAllocatorDefault,
|
|
kCFNumberSInt32Type,
|
|
&avctx->width);
|
|
if (!width_num) return AVERROR(ENOMEM);
|
|
|
|
CFDictionarySetValue(pixel_buffer_info,
|
|
kCVPixelBufferWidthKey,
|
|
width_num);
|
|
vt_release_num(&width_num);
|
|
|
|
height_num = CFNumberCreate(kCFAllocatorDefault,
|
|
kCFNumberSInt32Type,
|
|
&avctx->height);
|
|
if (!height_num) goto pbinfo_nomem;
|
|
|
|
CFDictionarySetValue(pixel_buffer_info,
|
|
kCVPixelBufferHeightKey,
|
|
height_num);
|
|
vt_release_num(&height_num);
|
|
|
|
add_color_attr(avctx, pixel_buffer_info);
|
|
|
|
*dict = pixel_buffer_info;
|
|
return 0;
|
|
|
|
pbinfo_nomem:
|
|
vt_release_num(&cv_color_format_num);
|
|
vt_release_num(&width_num);
|
|
vt_release_num(&height_num);
|
|
if (pixel_buffer_info) CFRelease(pixel_buffer_info);
|
|
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
static int get_cv_color_primaries(AVCodecContext *avctx,
|
|
CFStringRef *primaries)
|
|
{
|
|
enum AVColorPrimaries pri = avctx->color_primaries;
|
|
switch (pri) {
|
|
case AVCOL_PRI_UNSPECIFIED:
|
|
*primaries = NULL;
|
|
break;
|
|
|
|
case AVCOL_PRI_BT709:
|
|
*primaries = kCVImageBufferColorPrimaries_ITU_R_709_2;
|
|
break;
|
|
|
|
case AVCOL_PRI_BT2020:
|
|
*primaries = compat_keys.kCVImageBufferColorPrimaries_ITU_R_2020;
|
|
break;
|
|
|
|
default:
|
|
av_log(avctx, AV_LOG_ERROR, "Color primaries %s is not supported.\n", av_color_primaries_name(pri));
|
|
*primaries = NULL;
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int get_cv_transfer_function(AVCodecContext *avctx,
|
|
CFStringRef *transfer_fnc,
|
|
CFNumberRef *gamma_level)
|
|
{
|
|
enum AVColorTransferCharacteristic trc = avctx->color_trc;
|
|
Float32 gamma;
|
|
*gamma_level = NULL;
|
|
|
|
switch (trc) {
|
|
case AVCOL_TRC_UNSPECIFIED:
|
|
*transfer_fnc = NULL;
|
|
break;
|
|
|
|
case AVCOL_TRC_BT709:
|
|
*transfer_fnc = kCVImageBufferTransferFunction_ITU_R_709_2;
|
|
break;
|
|
|
|
case AVCOL_TRC_SMPTE240M:
|
|
*transfer_fnc = kCVImageBufferTransferFunction_SMPTE_240M_1995;
|
|
break;
|
|
|
|
case AVCOL_TRC_GAMMA22:
|
|
gamma = 2.2;
|
|
*transfer_fnc = kCVImageBufferTransferFunction_UseGamma;
|
|
*gamma_level = CFNumberCreate(NULL, kCFNumberFloat32Type, &gamma);
|
|
break;
|
|
|
|
case AVCOL_TRC_GAMMA28:
|
|
gamma = 2.8;
|
|
*transfer_fnc = kCVImageBufferTransferFunction_UseGamma;
|
|
*gamma_level = CFNumberCreate(NULL, kCFNumberFloat32Type, &gamma);
|
|
break;
|
|
|
|
case AVCOL_TRC_BT2020_10:
|
|
case AVCOL_TRC_BT2020_12:
|
|
*transfer_fnc = compat_keys.kCVImageBufferTransferFunction_ITU_R_2020;
|
|
break;
|
|
|
|
default:
|
|
av_log(avctx, AV_LOG_ERROR, "Transfer function %s is not supported.\n", av_color_transfer_name(trc));
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int get_cv_ycbcr_matrix(AVCodecContext *avctx, CFStringRef *matrix) {
|
|
switch(avctx->colorspace) {
|
|
case AVCOL_SPC_BT709:
|
|
*matrix = kCVImageBufferYCbCrMatrix_ITU_R_709_2;
|
|
break;
|
|
|
|
case AVCOL_SPC_UNSPECIFIED:
|
|
*matrix = NULL;
|
|
break;
|
|
|
|
case AVCOL_SPC_BT470BG:
|
|
case AVCOL_SPC_SMPTE170M:
|
|
*matrix = kCVImageBufferYCbCrMatrix_ITU_R_601_4;
|
|
break;
|
|
|
|
case AVCOL_SPC_SMPTE240M:
|
|
*matrix = kCVImageBufferYCbCrMatrix_SMPTE_240M_1995;
|
|
break;
|
|
|
|
case AVCOL_SPC_BT2020_NCL:
|
|
*matrix = compat_keys.kCVImageBufferYCbCrMatrix_ITU_R_2020;
|
|
break;
|
|
|
|
default:
|
|
av_log(avctx, AV_LOG_ERROR, "Color space %s is not supported.\n", av_color_space_name(avctx->colorspace));
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vtenc_create_encoder(AVCodecContext *avctx,
|
|
CMVideoCodecType codec_type,
|
|
CFStringRef profile_level,
|
|
CFNumberRef gamma_level,
|
|
CFDictionaryRef enc_info,
|
|
CFDictionaryRef pixel_buffer_info,
|
|
VTCompressionSessionRef *session)
|
|
{
|
|
VTEncContext *vtctx = avctx->priv_data;
|
|
SInt32 bit_rate = avctx->bit_rate;
|
|
SInt32 max_rate = avctx->rc_max_rate;
|
|
CFNumberRef bit_rate_num;
|
|
CFNumberRef bytes_per_second;
|
|
CFNumberRef one_second;
|
|
CFArrayRef data_rate_limits;
|
|
int64_t bytes_per_second_value = 0;
|
|
int64_t one_second_value = 0;
|
|
void *nums[2];
|
|
|
|
int status = VTCompressionSessionCreate(kCFAllocatorDefault,
|
|
avctx->width,
|
|
avctx->height,
|
|
codec_type,
|
|
enc_info,
|
|
pixel_buffer_info,
|
|
kCFAllocatorDefault,
|
|
vtenc_output_callback,
|
|
avctx,
|
|
session);
|
|
|
|
if (status || !vtctx->session) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error: cannot create compression session: %d\n", status);
|
|
|
|
#if !TARGET_OS_IPHONE
|
|
if (!vtctx->allow_sw) {
|
|
av_log(avctx, AV_LOG_ERROR, "Try -allow_sw 1. The hardware encoder may be busy, or not supported.\n");
|
|
}
|
|
#endif
|
|
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
bit_rate_num = CFNumberCreate(kCFAllocatorDefault,
|
|
kCFNumberSInt32Type,
|
|
&bit_rate);
|
|
if (!bit_rate_num) return AVERROR(ENOMEM);
|
|
|
|
status = VTSessionSetProperty(vtctx->session,
|
|
kVTCompressionPropertyKey_AverageBitRate,
|
|
bit_rate_num);
|
|
CFRelease(bit_rate_num);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error setting bitrate property: %d\n", status);
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
if (vtctx->codec_id == AV_CODEC_ID_H264) {
|
|
// kVTCompressionPropertyKey_DataRateLimits is not available for HEVC
|
|
bytes_per_second_value = max_rate >> 3;
|
|
bytes_per_second = CFNumberCreate(kCFAllocatorDefault,
|
|
kCFNumberSInt64Type,
|
|
&bytes_per_second_value);
|
|
if (!bytes_per_second) {
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
one_second_value = 1;
|
|
one_second = CFNumberCreate(kCFAllocatorDefault,
|
|
kCFNumberSInt64Type,
|
|
&one_second_value);
|
|
if (!one_second) {
|
|
CFRelease(bytes_per_second);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
nums[0] = (void *)bytes_per_second;
|
|
nums[1] = (void *)one_second;
|
|
data_rate_limits = CFArrayCreate(kCFAllocatorDefault,
|
|
(const void **)nums,
|
|
2,
|
|
&kCFTypeArrayCallBacks);
|
|
|
|
if (!data_rate_limits) {
|
|
CFRelease(bytes_per_second);
|
|
CFRelease(one_second);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
status = VTSessionSetProperty(vtctx->session,
|
|
kVTCompressionPropertyKey_DataRateLimits,
|
|
data_rate_limits);
|
|
|
|
CFRelease(bytes_per_second);
|
|
CFRelease(one_second);
|
|
CFRelease(data_rate_limits);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error setting max bitrate property: %d\n", status);
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
if (profile_level) {
|
|
status = VTSessionSetProperty(vtctx->session,
|
|
kVTCompressionPropertyKey_ProfileLevel,
|
|
profile_level);
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error setting profile/level property: %d\n", status);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (avctx->gop_size > 0) {
|
|
CFNumberRef interval = CFNumberCreate(kCFAllocatorDefault,
|
|
kCFNumberIntType,
|
|
&avctx->gop_size);
|
|
if (!interval) {
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
status = VTSessionSetProperty(vtctx->session,
|
|
kVTCompressionPropertyKey_MaxKeyFrameInterval,
|
|
interval);
|
|
CFRelease(interval);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error setting 'max key-frame interval' property: %d\n", status);
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
}
|
|
|
|
if (vtctx->frames_before) {
|
|
status = VTSessionSetProperty(vtctx->session,
|
|
kVTCompressionPropertyKey_MoreFramesBeforeStart,
|
|
kCFBooleanTrue);
|
|
|
|
if (status == kVTPropertyNotSupportedErr) {
|
|
av_log(avctx, AV_LOG_WARNING, "frames_before property is not supported on this device. Ignoring.\n");
|
|
} else if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error setting frames_before property: %d\n", status);
|
|
}
|
|
}
|
|
|
|
if (vtctx->frames_after) {
|
|
status = VTSessionSetProperty(vtctx->session,
|
|
kVTCompressionPropertyKey_MoreFramesAfterEnd,
|
|
kCFBooleanTrue);
|
|
|
|
if (status == kVTPropertyNotSupportedErr) {
|
|
av_log(avctx, AV_LOG_WARNING, "frames_after property is not supported on this device. Ignoring.\n");
|
|
} else if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error setting frames_after property: %d\n", status);
|
|
}
|
|
}
|
|
|
|
if (avctx->sample_aspect_ratio.num != 0) {
|
|
CFNumberRef num;
|
|
CFNumberRef den;
|
|
CFMutableDictionaryRef par;
|
|
AVRational *avpar = &avctx->sample_aspect_ratio;
|
|
|
|
av_reduce(&avpar->num, &avpar->den,
|
|
avpar->num, avpar->den,
|
|
0xFFFFFFFF);
|
|
|
|
num = CFNumberCreate(kCFAllocatorDefault,
|
|
kCFNumberIntType,
|
|
&avpar->num);
|
|
|
|
den = CFNumberCreate(kCFAllocatorDefault,
|
|
kCFNumberIntType,
|
|
&avpar->den);
|
|
|
|
|
|
|
|
par = CFDictionaryCreateMutable(kCFAllocatorDefault,
|
|
2,
|
|
&kCFCopyStringDictionaryKeyCallBacks,
|
|
&kCFTypeDictionaryValueCallBacks);
|
|
|
|
if (!par || !num || !den) {
|
|
if (par) CFRelease(par);
|
|
if (num) CFRelease(num);
|
|
if (den) CFRelease(den);
|
|
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
CFDictionarySetValue(
|
|
par,
|
|
kCMFormatDescriptionKey_PixelAspectRatioHorizontalSpacing,
|
|
num);
|
|
|
|
CFDictionarySetValue(
|
|
par,
|
|
kCMFormatDescriptionKey_PixelAspectRatioVerticalSpacing,
|
|
den);
|
|
|
|
status = VTSessionSetProperty(vtctx->session,
|
|
kVTCompressionPropertyKey_PixelAspectRatio,
|
|
par);
|
|
|
|
CFRelease(par);
|
|
CFRelease(num);
|
|
CFRelease(den);
|
|
|
|
if (status) {
|
|
av_log(avctx,
|
|
AV_LOG_ERROR,
|
|
"Error setting pixel aspect ratio to %d:%d: %d.\n",
|
|
avctx->sample_aspect_ratio.num,
|
|
avctx->sample_aspect_ratio.den,
|
|
status);
|
|
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
}
|
|
|
|
|
|
if (vtctx->transfer_function) {
|
|
status = VTSessionSetProperty(vtctx->session,
|
|
kVTCompressionPropertyKey_TransferFunction,
|
|
vtctx->transfer_function);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_WARNING, "Could not set transfer function: %d\n", status);
|
|
}
|
|
}
|
|
|
|
|
|
if (vtctx->ycbcr_matrix) {
|
|
status = VTSessionSetProperty(vtctx->session,
|
|
kVTCompressionPropertyKey_YCbCrMatrix,
|
|
vtctx->ycbcr_matrix);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_WARNING, "Could not set ycbcr matrix: %d\n", status);
|
|
}
|
|
}
|
|
|
|
|
|
if (vtctx->color_primaries) {
|
|
status = VTSessionSetProperty(vtctx->session,
|
|
kVTCompressionPropertyKey_ColorPrimaries,
|
|
vtctx->color_primaries);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_WARNING, "Could not set color primaries: %d\n", status);
|
|
}
|
|
}
|
|
|
|
if (gamma_level) {
|
|
status = VTSessionSetProperty(vtctx->session,
|
|
kCVImageBufferGammaLevelKey,
|
|
gamma_level);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_WARNING, "Could not set gamma level: %d\n", status);
|
|
}
|
|
}
|
|
|
|
if (!vtctx->has_b_frames) {
|
|
status = VTSessionSetProperty(vtctx->session,
|
|
kVTCompressionPropertyKey_AllowFrameReordering,
|
|
kCFBooleanFalse);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error setting 'allow frame reordering' property: %d\n", status);
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
}
|
|
|
|
if (vtctx->entropy != VT_ENTROPY_NOT_SET) {
|
|
CFStringRef entropy = vtctx->entropy == VT_CABAC ?
|
|
compat_keys.kVTH264EntropyMode_CABAC:
|
|
compat_keys.kVTH264EntropyMode_CAVLC;
|
|
|
|
status = VTSessionSetProperty(vtctx->session,
|
|
compat_keys.kVTCompressionPropertyKey_H264EntropyMode,
|
|
entropy);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error setting entropy property: %d\n", status);
|
|
}
|
|
}
|
|
|
|
if (vtctx->realtime) {
|
|
status = VTSessionSetProperty(vtctx->session,
|
|
compat_keys.kVTCompressionPropertyKey_RealTime,
|
|
kCFBooleanTrue);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error setting realtime property: %d\n", status);
|
|
}
|
|
}
|
|
|
|
status = VTCompressionSessionPrepareToEncodeFrames(vtctx->session);
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error: cannot prepare encoder: %d\n", status);
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int vtenc_init(AVCodecContext *avctx)
|
|
{
|
|
CFMutableDictionaryRef enc_info;
|
|
CFMutableDictionaryRef pixel_buffer_info;
|
|
CMVideoCodecType codec_type;
|
|
VTEncContext *vtctx = avctx->priv_data;
|
|
CFStringRef profile_level;
|
|
CFBooleanRef has_b_frames_cfbool;
|
|
CFNumberRef gamma_level = NULL;
|
|
int status;
|
|
|
|
pthread_once(&once_ctrl, loadVTEncSymbols);
|
|
|
|
codec_type = get_cm_codec_type(avctx->codec_id);
|
|
if (!codec_type) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error: no mapping for AVCodecID %d\n", avctx->codec_id);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
vtctx->codec_id = avctx->codec_id;
|
|
|
|
if (vtctx->codec_id == AV_CODEC_ID_H264) {
|
|
vtctx->get_param_set_func = CMVideoFormatDescriptionGetH264ParameterSetAtIndex;
|
|
|
|
vtctx->has_b_frames = avctx->max_b_frames > 0;
|
|
if(vtctx->has_b_frames && vtctx->profile == H264_PROF_BASELINE){
|
|
av_log(avctx, AV_LOG_WARNING, "Cannot use B-frames with baseline profile. Output will not contain B-frames.\n");
|
|
vtctx->has_b_frames = false;
|
|
}
|
|
|
|
if (vtctx->entropy == VT_CABAC && vtctx->profile == H264_PROF_BASELINE) {
|
|
av_log(avctx, AV_LOG_WARNING, "CABAC entropy requires 'main' or 'high' profile, but baseline was requested. Encode will not use CABAC entropy.\n");
|
|
vtctx->entropy = VT_ENTROPY_NOT_SET;
|
|
}
|
|
|
|
if (!get_vt_h264_profile_level(avctx, &profile_level)) return AVERROR(EINVAL);
|
|
} else {
|
|
vtctx->get_param_set_func = compat_keys.CMVideoFormatDescriptionGetHEVCParameterSetAtIndex;
|
|
if (!vtctx->get_param_set_func) return AVERROR(EINVAL);
|
|
if (!get_vt_hevc_profile_level(avctx, &profile_level)) return AVERROR(EINVAL);
|
|
}
|
|
|
|
vtctx->session = NULL;
|
|
|
|
enc_info = CFDictionaryCreateMutable(
|
|
kCFAllocatorDefault,
|
|
20,
|
|
&kCFCopyStringDictionaryKeyCallBacks,
|
|
&kCFTypeDictionaryValueCallBacks
|
|
);
|
|
|
|
if (!enc_info) return AVERROR(ENOMEM);
|
|
|
|
#if !TARGET_OS_IPHONE
|
|
if (!vtctx->allow_sw) {
|
|
CFDictionarySetValue(enc_info,
|
|
compat_keys.kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder,
|
|
kCFBooleanTrue);
|
|
} else {
|
|
CFDictionarySetValue(enc_info,
|
|
compat_keys.kVTVideoEncoderSpecification_EnableHardwareAcceleratedVideoEncoder,
|
|
kCFBooleanTrue);
|
|
}
|
|
#endif
|
|
|
|
if (avctx->pix_fmt != AV_PIX_FMT_VIDEOTOOLBOX) {
|
|
status = create_cv_pixel_buffer_info(avctx, &pixel_buffer_info);
|
|
if (status)
|
|
goto init_cleanup;
|
|
} else {
|
|
pixel_buffer_info = NULL;
|
|
}
|
|
|
|
pthread_mutex_init(&vtctx->lock, NULL);
|
|
pthread_cond_init(&vtctx->cv_sample_sent, NULL);
|
|
vtctx->dts_delta = vtctx->has_b_frames ? -1 : 0;
|
|
|
|
get_cv_transfer_function(avctx, &vtctx->transfer_function, &gamma_level);
|
|
get_cv_ycbcr_matrix(avctx, &vtctx->ycbcr_matrix);
|
|
get_cv_color_primaries(avctx, &vtctx->color_primaries);
|
|
|
|
|
|
if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
|
|
status = vtenc_populate_extradata(avctx,
|
|
codec_type,
|
|
profile_level,
|
|
gamma_level,
|
|
enc_info,
|
|
pixel_buffer_info);
|
|
if (status)
|
|
goto init_cleanup;
|
|
}
|
|
|
|
status = vtenc_create_encoder(avctx,
|
|
codec_type,
|
|
profile_level,
|
|
gamma_level,
|
|
enc_info,
|
|
pixel_buffer_info,
|
|
&vtctx->session);
|
|
|
|
if (status < 0)
|
|
goto init_cleanup;
|
|
|
|
status = VTSessionCopyProperty(vtctx->session,
|
|
kVTCompressionPropertyKey_AllowFrameReordering,
|
|
kCFAllocatorDefault,
|
|
&has_b_frames_cfbool);
|
|
|
|
if (!status && has_b_frames_cfbool) {
|
|
//Some devices don't output B-frames for main profile, even if requested.
|
|
vtctx->has_b_frames = CFBooleanGetValue(has_b_frames_cfbool);
|
|
CFRelease(has_b_frames_cfbool);
|
|
}
|
|
avctx->has_b_frames = vtctx->has_b_frames;
|
|
|
|
init_cleanup:
|
|
if (gamma_level)
|
|
CFRelease(gamma_level);
|
|
|
|
if (pixel_buffer_info)
|
|
CFRelease(pixel_buffer_info);
|
|
|
|
CFRelease(enc_info);
|
|
|
|
return status;
|
|
}
|
|
|
|
static void vtenc_get_frame_info(CMSampleBufferRef buffer, bool *is_key_frame)
|
|
{
|
|
CFArrayRef attachments;
|
|
CFDictionaryRef attachment;
|
|
CFBooleanRef not_sync;
|
|
CFIndex len;
|
|
|
|
attachments = CMSampleBufferGetSampleAttachmentsArray(buffer, false);
|
|
len = !attachments ? 0 : CFArrayGetCount(attachments);
|
|
|
|
if (!len) {
|
|
*is_key_frame = true;
|
|
return;
|
|
}
|
|
|
|
attachment = CFArrayGetValueAtIndex(attachments, 0);
|
|
|
|
if (CFDictionaryGetValueIfPresent(attachment,
|
|
kCMSampleAttachmentKey_NotSync,
|
|
(const void **)¬_sync))
|
|
{
|
|
*is_key_frame = !CFBooleanGetValue(not_sync);
|
|
} else {
|
|
*is_key_frame = true;
|
|
}
|
|
}
|
|
|
|
static int is_post_sei_nal_type(int nal_type){
|
|
return nal_type != H264_NAL_SEI &&
|
|
nal_type != H264_NAL_SPS &&
|
|
nal_type != H264_NAL_PPS &&
|
|
nal_type != H264_NAL_AUD;
|
|
}
|
|
|
|
/*
|
|
* Finds the sei message start/size of type find_sei_type.
|
|
* If more than one of that type exists, the last one is returned.
|
|
*/
|
|
static int find_sei_end(AVCodecContext *avctx,
|
|
uint8_t *nal_data,
|
|
size_t nal_size,
|
|
uint8_t **sei_end)
|
|
{
|
|
int nal_type;
|
|
size_t sei_payload_size = 0;
|
|
int sei_payload_type = 0;
|
|
*sei_end = NULL;
|
|
uint8_t *nal_start = nal_data;
|
|
|
|
if (!nal_size)
|
|
return 0;
|
|
|
|
nal_type = *nal_data & 0x1F;
|
|
if (nal_type != H264_NAL_SEI)
|
|
return 0;
|
|
|
|
nal_data++;
|
|
nal_size--;
|
|
|
|
if (nal_data[nal_size - 1] == 0x80)
|
|
nal_size--;
|
|
|
|
while (nal_size > 0 && *nal_data > 0) {
|
|
do{
|
|
sei_payload_type += *nal_data;
|
|
nal_data++;
|
|
nal_size--;
|
|
} while (nal_size > 0 && *nal_data == 0xFF);
|
|
|
|
if (!nal_size) {
|
|
av_log(avctx, AV_LOG_ERROR, "Unexpected end of SEI NAL Unit parsing type.\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
do{
|
|
sei_payload_size += *nal_data;
|
|
nal_data++;
|
|
nal_size--;
|
|
} while (nal_size > 0 && *nal_data == 0xFF);
|
|
|
|
if (nal_size < sei_payload_size) {
|
|
av_log(avctx, AV_LOG_ERROR, "Unexpected end of SEI NAL Unit parsing size.\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
nal_data += sei_payload_size;
|
|
nal_size -= sei_payload_size;
|
|
}
|
|
|
|
*sei_end = nal_data;
|
|
|
|
return nal_data - nal_start + 1;
|
|
}
|
|
|
|
/**
|
|
* Copies the data inserting emulation prevention bytes as needed.
|
|
* Existing data in the destination can be taken into account by providing
|
|
* dst with a dst_offset > 0.
|
|
*
|
|
* @return The number of bytes copied on success. On failure, the negative of
|
|
* the number of bytes needed to copy src is returned.
|
|
*/
|
|
static int copy_emulation_prev(const uint8_t *src,
|
|
size_t src_size,
|
|
uint8_t *dst,
|
|
ssize_t dst_offset,
|
|
size_t dst_size)
|
|
{
|
|
int zeros = 0;
|
|
int wrote_bytes;
|
|
uint8_t* dst_start;
|
|
uint8_t* dst_end = dst + dst_size;
|
|
const uint8_t* src_end = src + src_size;
|
|
int start_at = dst_offset > 2 ? dst_offset - 2 : 0;
|
|
int i;
|
|
for (i = start_at; i < dst_offset && i < dst_size; i++) {
|
|
if (!dst[i])
|
|
zeros++;
|
|
else
|
|
zeros = 0;
|
|
}
|
|
|
|
dst += dst_offset;
|
|
dst_start = dst;
|
|
for (; src < src_end; src++, dst++) {
|
|
if (zeros == 2) {
|
|
int insert_ep3_byte = *src <= 3;
|
|
if (insert_ep3_byte) {
|
|
if (dst < dst_end)
|
|
*dst = 3;
|
|
dst++;
|
|
}
|
|
|
|
zeros = 0;
|
|
}
|
|
|
|
if (dst < dst_end)
|
|
*dst = *src;
|
|
|
|
if (!*src)
|
|
zeros++;
|
|
else
|
|
zeros = 0;
|
|
}
|
|
|
|
wrote_bytes = dst - dst_start;
|
|
|
|
if (dst > dst_end)
|
|
return -wrote_bytes;
|
|
|
|
return wrote_bytes;
|
|
}
|
|
|
|
static int write_sei(const ExtraSEI *sei,
|
|
int sei_type,
|
|
uint8_t *dst,
|
|
size_t dst_size)
|
|
{
|
|
uint8_t *sei_start = dst;
|
|
size_t remaining_sei_size = sei->size;
|
|
size_t remaining_dst_size = dst_size;
|
|
int header_bytes;
|
|
int bytes_written;
|
|
ssize_t offset;
|
|
|
|
if (!remaining_dst_size)
|
|
return AVERROR_BUFFER_TOO_SMALL;
|
|
|
|
while (sei_type && remaining_dst_size != 0) {
|
|
int sei_byte = sei_type > 255 ? 255 : sei_type;
|
|
*dst = sei_byte;
|
|
|
|
sei_type -= sei_byte;
|
|
dst++;
|
|
remaining_dst_size--;
|
|
}
|
|
|
|
if (!dst_size)
|
|
return AVERROR_BUFFER_TOO_SMALL;
|
|
|
|
while (remaining_sei_size && remaining_dst_size != 0) {
|
|
int size_byte = remaining_sei_size > 255 ? 255 : remaining_sei_size;
|
|
*dst = size_byte;
|
|
|
|
remaining_sei_size -= size_byte;
|
|
dst++;
|
|
remaining_dst_size--;
|
|
}
|
|
|
|
if (remaining_dst_size < sei->size)
|
|
return AVERROR_BUFFER_TOO_SMALL;
|
|
|
|
header_bytes = dst - sei_start;
|
|
|
|
offset = header_bytes;
|
|
bytes_written = copy_emulation_prev(sei->data,
|
|
sei->size,
|
|
sei_start,
|
|
offset,
|
|
dst_size);
|
|
if (bytes_written < 0)
|
|
return AVERROR_BUFFER_TOO_SMALL;
|
|
|
|
bytes_written += header_bytes;
|
|
return bytes_written;
|
|
}
|
|
|
|
/**
|
|
* Copies NAL units and replaces length codes with
|
|
* H.264 Annex B start codes. On failure, the contents of
|
|
* dst_data may have been modified.
|
|
*
|
|
* @param length_code_size Byte length of each length code
|
|
* @param sample_buffer NAL units prefixed with length codes.
|
|
* @param sei Optional A53 closed captions SEI data.
|
|
* @param dst_data Must be zeroed before calling this function.
|
|
* Contains the copied NAL units prefixed with
|
|
* start codes when the function returns
|
|
* successfully.
|
|
* @param dst_size Length of dst_data
|
|
* @return 0 on success
|
|
* AVERROR_INVALIDDATA if length_code_size is invalid
|
|
* AVERROR_BUFFER_TOO_SMALL if dst_data is too small
|
|
* or if a length_code in src_data specifies data beyond
|
|
* the end of its buffer.
|
|
*/
|
|
static int copy_replace_length_codes(
|
|
AVCodecContext *avctx,
|
|
size_t length_code_size,
|
|
CMSampleBufferRef sample_buffer,
|
|
ExtraSEI *sei,
|
|
uint8_t *dst_data,
|
|
size_t dst_size)
|
|
{
|
|
size_t src_size = CMSampleBufferGetTotalSampleSize(sample_buffer);
|
|
size_t remaining_src_size = src_size;
|
|
size_t remaining_dst_size = dst_size;
|
|
size_t src_offset = 0;
|
|
int wrote_sei = 0;
|
|
int status;
|
|
uint8_t size_buf[4];
|
|
uint8_t nal_type;
|
|
CMBlockBufferRef block = CMSampleBufferGetDataBuffer(sample_buffer);
|
|
|
|
if (length_code_size > 4) {
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
while (remaining_src_size > 0) {
|
|
size_t curr_src_len;
|
|
size_t curr_dst_len;
|
|
size_t box_len = 0;
|
|
size_t i;
|
|
|
|
uint8_t *dst_box;
|
|
|
|
status = CMBlockBufferCopyDataBytes(block,
|
|
src_offset,
|
|
length_code_size,
|
|
size_buf);
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Cannot copy length: %d\n", status);
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
status = CMBlockBufferCopyDataBytes(block,
|
|
src_offset + length_code_size,
|
|
1,
|
|
&nal_type);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Cannot copy type: %d\n", status);
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
nal_type &= 0x1F;
|
|
|
|
for (i = 0; i < length_code_size; i++) {
|
|
box_len <<= 8;
|
|
box_len |= size_buf[i];
|
|
}
|
|
|
|
if (sei && !wrote_sei && is_post_sei_nal_type(nal_type)) {
|
|
//No SEI NAL unit - insert.
|
|
int wrote_bytes;
|
|
|
|
memcpy(dst_data, start_code, sizeof(start_code));
|
|
dst_data += sizeof(start_code);
|
|
remaining_dst_size -= sizeof(start_code);
|
|
|
|
*dst_data = H264_NAL_SEI;
|
|
dst_data++;
|
|
remaining_dst_size--;
|
|
|
|
wrote_bytes = write_sei(sei,
|
|
H264_SEI_TYPE_USER_DATA_REGISTERED,
|
|
dst_data,
|
|
remaining_dst_size);
|
|
|
|
if (wrote_bytes < 0)
|
|
return wrote_bytes;
|
|
|
|
remaining_dst_size -= wrote_bytes;
|
|
dst_data += wrote_bytes;
|
|
|
|
if (remaining_dst_size <= 0)
|
|
return AVERROR_BUFFER_TOO_SMALL;
|
|
|
|
*dst_data = 0x80;
|
|
|
|
dst_data++;
|
|
remaining_dst_size--;
|
|
|
|
wrote_sei = 1;
|
|
}
|
|
|
|
curr_src_len = box_len + length_code_size;
|
|
curr_dst_len = box_len + sizeof(start_code);
|
|
|
|
if (remaining_src_size < curr_src_len) {
|
|
return AVERROR_BUFFER_TOO_SMALL;
|
|
}
|
|
|
|
if (remaining_dst_size < curr_dst_len) {
|
|
return AVERROR_BUFFER_TOO_SMALL;
|
|
}
|
|
|
|
dst_box = dst_data + sizeof(start_code);
|
|
|
|
memcpy(dst_data, start_code, sizeof(start_code));
|
|
status = CMBlockBufferCopyDataBytes(block,
|
|
src_offset + length_code_size,
|
|
box_len,
|
|
dst_box);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Cannot copy data: %d\n", status);
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
if (sei && !wrote_sei && nal_type == H264_NAL_SEI) {
|
|
//Found SEI NAL unit - append.
|
|
int wrote_bytes;
|
|
int old_sei_length;
|
|
int extra_bytes;
|
|
uint8_t *new_sei;
|
|
old_sei_length = find_sei_end(avctx, dst_box, box_len, &new_sei);
|
|
if (old_sei_length < 0)
|
|
return status;
|
|
|
|
wrote_bytes = write_sei(sei,
|
|
H264_SEI_TYPE_USER_DATA_REGISTERED,
|
|
new_sei,
|
|
remaining_dst_size - old_sei_length);
|
|
if (wrote_bytes < 0)
|
|
return wrote_bytes;
|
|
|
|
if (new_sei + wrote_bytes >= dst_data + remaining_dst_size)
|
|
return AVERROR_BUFFER_TOO_SMALL;
|
|
|
|
new_sei[wrote_bytes++] = 0x80;
|
|
extra_bytes = wrote_bytes - (dst_box + box_len - new_sei);
|
|
|
|
dst_data += extra_bytes;
|
|
remaining_dst_size -= extra_bytes;
|
|
|
|
wrote_sei = 1;
|
|
}
|
|
|
|
src_offset += curr_src_len;
|
|
dst_data += curr_dst_len;
|
|
|
|
remaining_src_size -= curr_src_len;
|
|
remaining_dst_size -= curr_dst_len;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Returns a sufficient number of bytes to contain the sei data.
|
|
* It may be greater than the minimum required.
|
|
*/
|
|
static int get_sei_msg_bytes(const ExtraSEI* sei, int type){
|
|
int copied_size;
|
|
if (sei->size == 0)
|
|
return 0;
|
|
|
|
copied_size = -copy_emulation_prev(sei->data,
|
|
sei->size,
|
|
NULL,
|
|
0,
|
|
0);
|
|
|
|
if ((sei->size % 255) == 0) //may result in an extra byte
|
|
copied_size++;
|
|
|
|
return copied_size + sei->size / 255 + 1 + type / 255 + 1;
|
|
}
|
|
|
|
static int vtenc_cm_to_avpacket(
|
|
AVCodecContext *avctx,
|
|
CMSampleBufferRef sample_buffer,
|
|
AVPacket *pkt,
|
|
ExtraSEI *sei)
|
|
{
|
|
VTEncContext *vtctx = avctx->priv_data;
|
|
|
|
int status;
|
|
bool is_key_frame;
|
|
bool add_header;
|
|
size_t length_code_size;
|
|
size_t header_size = 0;
|
|
size_t in_buf_size;
|
|
size_t out_buf_size;
|
|
size_t sei_nalu_size = 0;
|
|
int64_t dts_delta;
|
|
int64_t time_base_num;
|
|
int nalu_count;
|
|
CMTime pts;
|
|
CMTime dts;
|
|
CMVideoFormatDescriptionRef vid_fmt;
|
|
|
|
|
|
vtenc_get_frame_info(sample_buffer, &is_key_frame);
|
|
status = get_length_code_size(avctx, sample_buffer, &length_code_size);
|
|
if (status) return status;
|
|
|
|
add_header = is_key_frame && !(avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER);
|
|
|
|
if (add_header) {
|
|
vid_fmt = CMSampleBufferGetFormatDescription(sample_buffer);
|
|
if (!vid_fmt) {
|
|
av_log(avctx, AV_LOG_ERROR, "Cannot get format description.\n");
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
int status = get_params_size(avctx, vid_fmt, &header_size);
|
|
if (status) return status;
|
|
}
|
|
|
|
status = count_nalus(length_code_size, sample_buffer, &nalu_count);
|
|
if(status)
|
|
return status;
|
|
|
|
if (sei) {
|
|
size_t msg_size = get_sei_msg_bytes(sei,
|
|
H264_SEI_TYPE_USER_DATA_REGISTERED);
|
|
|
|
sei_nalu_size = sizeof(start_code) + 1 + msg_size + 1;
|
|
}
|
|
|
|
in_buf_size = CMSampleBufferGetTotalSampleSize(sample_buffer);
|
|
out_buf_size = header_size +
|
|
in_buf_size +
|
|
sei_nalu_size +
|
|
nalu_count * ((int)sizeof(start_code) - (int)length_code_size);
|
|
|
|
status = ff_alloc_packet2(avctx, pkt, out_buf_size, out_buf_size);
|
|
if (status < 0)
|
|
return status;
|
|
|
|
if (add_header) {
|
|
status = copy_param_sets(avctx, vid_fmt, pkt->data, out_buf_size);
|
|
if(status) return status;
|
|
}
|
|
|
|
status = copy_replace_length_codes(
|
|
avctx,
|
|
length_code_size,
|
|
sample_buffer,
|
|
sei,
|
|
pkt->data + header_size,
|
|
pkt->size - header_size
|
|
);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error copying packet data: %d\n", status);
|
|
return status;
|
|
}
|
|
|
|
if (is_key_frame) {
|
|
pkt->flags |= AV_PKT_FLAG_KEY;
|
|
}
|
|
|
|
pts = CMSampleBufferGetPresentationTimeStamp(sample_buffer);
|
|
dts = CMSampleBufferGetDecodeTimeStamp (sample_buffer);
|
|
|
|
if (CMTIME_IS_INVALID(dts)) {
|
|
if (!vtctx->has_b_frames) {
|
|
dts = pts;
|
|
} else {
|
|
av_log(avctx, AV_LOG_ERROR, "DTS is invalid.\n");
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
}
|
|
|
|
dts_delta = vtctx->dts_delta >= 0 ? vtctx->dts_delta : 0;
|
|
time_base_num = avctx->time_base.num;
|
|
pkt->pts = pts.value / time_base_num;
|
|
pkt->dts = dts.value / time_base_num - dts_delta;
|
|
pkt->size = out_buf_size;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* contiguous_buf_size is 0 if not contiguous, and the size of the buffer
|
|
* containing all planes if so.
|
|
*/
|
|
static int get_cv_pixel_info(
|
|
AVCodecContext *avctx,
|
|
const AVFrame *frame,
|
|
int *color,
|
|
int *plane_count,
|
|
size_t *widths,
|
|
size_t *heights,
|
|
size_t *strides,
|
|
size_t *contiguous_buf_size)
|
|
{
|
|
VTEncContext *vtctx = avctx->priv_data;
|
|
int av_format = frame->format;
|
|
int av_color_range = frame->color_range;
|
|
int i;
|
|
int range_guessed;
|
|
int status;
|
|
|
|
status = get_cv_pixel_format(avctx, av_format, av_color_range, color, &range_guessed);
|
|
if (status) {
|
|
av_log(avctx,
|
|
AV_LOG_ERROR,
|
|
"Could not get pixel format for color format '%s' range '%s'.\n",
|
|
av_get_pix_fmt_name(av_format),
|
|
av_color_range > AVCOL_RANGE_UNSPECIFIED &&
|
|
av_color_range < AVCOL_RANGE_NB ?
|
|
av_color_range_name(av_color_range) :
|
|
"Unknown");
|
|
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (range_guessed) {
|
|
if (!vtctx->warned_color_range) {
|
|
vtctx->warned_color_range = true;
|
|
av_log(avctx,
|
|
AV_LOG_WARNING,
|
|
"Color range not set for %s. Using MPEG range.\n",
|
|
av_get_pix_fmt_name(av_format));
|
|
}
|
|
|
|
av_log(avctx, AV_LOG_WARNING, "");
|
|
}
|
|
|
|
switch (av_format) {
|
|
case AV_PIX_FMT_NV12:
|
|
*plane_count = 2;
|
|
|
|
widths [0] = avctx->width;
|
|
heights[0] = avctx->height;
|
|
strides[0] = frame ? frame->linesize[0] : avctx->width;
|
|
|
|
widths [1] = (avctx->width + 1) / 2;
|
|
heights[1] = (avctx->height + 1) / 2;
|
|
strides[1] = frame ? frame->linesize[1] : (avctx->width + 1) & -2;
|
|
break;
|
|
|
|
case AV_PIX_FMT_YUV420P:
|
|
*plane_count = 3;
|
|
|
|
widths [0] = avctx->width;
|
|
heights[0] = avctx->height;
|
|
strides[0] = frame ? frame->linesize[0] : avctx->width;
|
|
|
|
widths [1] = (avctx->width + 1) / 2;
|
|
heights[1] = (avctx->height + 1) / 2;
|
|
strides[1] = frame ? frame->linesize[1] : (avctx->width + 1) / 2;
|
|
|
|
widths [2] = (avctx->width + 1) / 2;
|
|
heights[2] = (avctx->height + 1) / 2;
|
|
strides[2] = frame ? frame->linesize[2] : (avctx->width + 1) / 2;
|
|
break;
|
|
|
|
default:
|
|
av_log(
|
|
avctx,
|
|
AV_LOG_ERROR,
|
|
"Could not get frame format info for color %d range %d.\n",
|
|
av_format,
|
|
av_color_range);
|
|
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
*contiguous_buf_size = 0;
|
|
for (i = 0; i < *plane_count; i++) {
|
|
if (i < *plane_count - 1 &&
|
|
frame->data[i] + strides[i] * heights[i] != frame->data[i + 1]) {
|
|
*contiguous_buf_size = 0;
|
|
break;
|
|
}
|
|
|
|
*contiguous_buf_size += strides[i] * heights[i];
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if !TARGET_OS_IPHONE
|
|
//Not used on iOS - frame is always copied.
|
|
static void free_avframe(
|
|
void *release_ctx,
|
|
const void *data,
|
|
size_t size,
|
|
size_t plane_count,
|
|
const void *plane_addresses[])
|
|
{
|
|
AVFrame *frame = release_ctx;
|
|
av_frame_free(&frame);
|
|
}
|
|
#else
|
|
//Not used on OSX - frame is never copied.
|
|
static int copy_avframe_to_pixel_buffer(AVCodecContext *avctx,
|
|
const AVFrame *frame,
|
|
CVPixelBufferRef cv_img,
|
|
const size_t *plane_strides,
|
|
const size_t *plane_rows)
|
|
{
|
|
int i, j;
|
|
size_t plane_count;
|
|
int status;
|
|
int rows;
|
|
int src_stride;
|
|
int dst_stride;
|
|
uint8_t *src_addr;
|
|
uint8_t *dst_addr;
|
|
size_t copy_bytes;
|
|
|
|
status = CVPixelBufferLockBaseAddress(cv_img, 0);
|
|
if (status) {
|
|
av_log(
|
|
avctx,
|
|
AV_LOG_ERROR,
|
|
"Error: Could not lock base address of CVPixelBuffer: %d.\n",
|
|
status
|
|
);
|
|
}
|
|
|
|
if (CVPixelBufferIsPlanar(cv_img)) {
|
|
plane_count = CVPixelBufferGetPlaneCount(cv_img);
|
|
for (i = 0; frame->data[i]; i++) {
|
|
if (i == plane_count) {
|
|
CVPixelBufferUnlockBaseAddress(cv_img, 0);
|
|
av_log(avctx,
|
|
AV_LOG_ERROR,
|
|
"Error: different number of planes in AVFrame and CVPixelBuffer.\n"
|
|
);
|
|
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
dst_addr = (uint8_t*)CVPixelBufferGetBaseAddressOfPlane(cv_img, i);
|
|
src_addr = (uint8_t*)frame->data[i];
|
|
dst_stride = CVPixelBufferGetBytesPerRowOfPlane(cv_img, i);
|
|
src_stride = plane_strides[i];
|
|
rows = plane_rows[i];
|
|
|
|
if (dst_stride == src_stride) {
|
|
memcpy(dst_addr, src_addr, src_stride * rows);
|
|
} else {
|
|
copy_bytes = dst_stride < src_stride ? dst_stride : src_stride;
|
|
|
|
for (j = 0; j < rows; j++) {
|
|
memcpy(dst_addr + j * dst_stride, src_addr + j * src_stride, copy_bytes);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if (frame->data[1]) {
|
|
CVPixelBufferUnlockBaseAddress(cv_img, 0);
|
|
av_log(avctx,
|
|
AV_LOG_ERROR,
|
|
"Error: different number of planes in AVFrame and non-planar CVPixelBuffer.\n"
|
|
);
|
|
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
dst_addr = (uint8_t*)CVPixelBufferGetBaseAddress(cv_img);
|
|
src_addr = (uint8_t*)frame->data[0];
|
|
dst_stride = CVPixelBufferGetBytesPerRow(cv_img);
|
|
src_stride = plane_strides[0];
|
|
rows = plane_rows[0];
|
|
|
|
if (dst_stride == src_stride) {
|
|
memcpy(dst_addr, src_addr, src_stride * rows);
|
|
} else {
|
|
copy_bytes = dst_stride < src_stride ? dst_stride : src_stride;
|
|
|
|
for (j = 0; j < rows; j++) {
|
|
memcpy(dst_addr + j * dst_stride, src_addr + j * src_stride, copy_bytes);
|
|
}
|
|
}
|
|
}
|
|
|
|
status = CVPixelBufferUnlockBaseAddress(cv_img, 0);
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error: Could not unlock CVPixelBuffer base address: %d.\n", status);
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif //!TARGET_OS_IPHONE
|
|
|
|
static int create_cv_pixel_buffer(AVCodecContext *avctx,
|
|
const AVFrame *frame,
|
|
CVPixelBufferRef *cv_img)
|
|
{
|
|
int plane_count;
|
|
int color;
|
|
size_t widths [AV_NUM_DATA_POINTERS];
|
|
size_t heights[AV_NUM_DATA_POINTERS];
|
|
size_t strides[AV_NUM_DATA_POINTERS];
|
|
int status;
|
|
size_t contiguous_buf_size;
|
|
#if TARGET_OS_IPHONE
|
|
CVPixelBufferPoolRef pix_buf_pool;
|
|
VTEncContext* vtctx = avctx->priv_data;
|
|
#else
|
|
CFMutableDictionaryRef pix_buf_attachments = CFDictionaryCreateMutable(
|
|
kCFAllocatorDefault,
|
|
10,
|
|
&kCFCopyStringDictionaryKeyCallBacks,
|
|
&kCFTypeDictionaryValueCallBacks);
|
|
|
|
if (!pix_buf_attachments) return AVERROR(ENOMEM);
|
|
#endif
|
|
|
|
if (avctx->pix_fmt == AV_PIX_FMT_VIDEOTOOLBOX) {
|
|
av_assert0(frame->format == AV_PIX_FMT_VIDEOTOOLBOX);
|
|
|
|
*cv_img = (CVPixelBufferRef)frame->data[3];
|
|
av_assert0(*cv_img);
|
|
|
|
CFRetain(*cv_img);
|
|
return 0;
|
|
}
|
|
|
|
memset(widths, 0, sizeof(widths));
|
|
memset(heights, 0, sizeof(heights));
|
|
memset(strides, 0, sizeof(strides));
|
|
|
|
status = get_cv_pixel_info(
|
|
avctx,
|
|
frame,
|
|
&color,
|
|
&plane_count,
|
|
widths,
|
|
heights,
|
|
strides,
|
|
&contiguous_buf_size
|
|
);
|
|
|
|
if (status) {
|
|
av_log(
|
|
avctx,
|
|
AV_LOG_ERROR,
|
|
"Error: Cannot convert format %d color_range %d: %d\n",
|
|
frame->format,
|
|
frame->color_range,
|
|
status
|
|
);
|
|
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
#if TARGET_OS_IPHONE
|
|
pix_buf_pool = VTCompressionSessionGetPixelBufferPool(vtctx->session);
|
|
if (!pix_buf_pool) {
|
|
av_log(avctx, AV_LOG_ERROR, "Could not get pixel buffer pool.\n");
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
status = CVPixelBufferPoolCreatePixelBuffer(NULL,
|
|
pix_buf_pool,
|
|
cv_img);
|
|
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Could not create pixel buffer from pool: %d.\n", status);
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
status = copy_avframe_to_pixel_buffer(avctx, frame, *cv_img, strides, heights);
|
|
if (status) {
|
|
CFRelease(*cv_img);
|
|
*cv_img = NULL;
|
|
return status;
|
|
}
|
|
#else
|
|
AVFrame *enc_frame = av_frame_alloc();
|
|
if (!enc_frame) return AVERROR(ENOMEM);
|
|
|
|
status = av_frame_ref(enc_frame, frame);
|
|
if (status) {
|
|
av_frame_free(&enc_frame);
|
|
return status;
|
|
}
|
|
|
|
status = CVPixelBufferCreateWithPlanarBytes(
|
|
kCFAllocatorDefault,
|
|
enc_frame->width,
|
|
enc_frame->height,
|
|
color,
|
|
NULL,
|
|
contiguous_buf_size,
|
|
plane_count,
|
|
(void **)enc_frame->data,
|
|
widths,
|
|
heights,
|
|
strides,
|
|
free_avframe,
|
|
enc_frame,
|
|
NULL,
|
|
cv_img
|
|
);
|
|
|
|
add_color_attr(avctx, pix_buf_attachments);
|
|
CVBufferSetAttachments(*cv_img, pix_buf_attachments, kCVAttachmentMode_ShouldPropagate);
|
|
CFRelease(pix_buf_attachments);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error: Could not create CVPixelBuffer: %d\n", status);
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int create_encoder_dict_h264(const AVFrame *frame,
|
|
CFDictionaryRef* dict_out)
|
|
{
|
|
CFDictionaryRef dict = NULL;
|
|
if (frame->pict_type == AV_PICTURE_TYPE_I) {
|
|
const void *keys[] = { kVTEncodeFrameOptionKey_ForceKeyFrame };
|
|
const void *vals[] = { kCFBooleanTrue };
|
|
|
|
dict = CFDictionaryCreate(NULL, keys, vals, 1, NULL, NULL);
|
|
if(!dict) return AVERROR(ENOMEM);
|
|
}
|
|
|
|
*dict_out = dict;
|
|
return 0;
|
|
}
|
|
|
|
static int vtenc_send_frame(AVCodecContext *avctx,
|
|
VTEncContext *vtctx,
|
|
const AVFrame *frame)
|
|
{
|
|
CMTime time;
|
|
CFDictionaryRef frame_dict;
|
|
CVPixelBufferRef cv_img = NULL;
|
|
AVFrameSideData *side_data = NULL;
|
|
ExtraSEI *sei = NULL;
|
|
int status = create_cv_pixel_buffer(avctx, frame, &cv_img);
|
|
|
|
if (status) return status;
|
|
|
|
status = create_encoder_dict_h264(frame, &frame_dict);
|
|
if (status) {
|
|
CFRelease(cv_img);
|
|
return status;
|
|
}
|
|
|
|
side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_A53_CC);
|
|
if (vtctx->a53_cc && side_data && side_data->size) {
|
|
sei = av_mallocz(sizeof(*sei));
|
|
if (!sei) {
|
|
av_log(avctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
|
|
} else {
|
|
int ret = ff_alloc_a53_sei(frame, 0, &sei->data, &sei->size);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
|
|
av_free(sei);
|
|
sei = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
time = CMTimeMake(frame->pts * avctx->time_base.num, avctx->time_base.den);
|
|
status = VTCompressionSessionEncodeFrame(
|
|
vtctx->session,
|
|
cv_img,
|
|
time,
|
|
kCMTimeInvalid,
|
|
frame_dict,
|
|
sei,
|
|
NULL
|
|
);
|
|
|
|
if (frame_dict) CFRelease(frame_dict);
|
|
CFRelease(cv_img);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error: cannot encode frame: %d\n", status);
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int vtenc_frame(
|
|
AVCodecContext *avctx,
|
|
AVPacket *pkt,
|
|
const AVFrame *frame,
|
|
int *got_packet)
|
|
{
|
|
VTEncContext *vtctx = avctx->priv_data;
|
|
bool get_frame;
|
|
int status;
|
|
CMSampleBufferRef buf = NULL;
|
|
ExtraSEI *sei = NULL;
|
|
|
|
if (frame) {
|
|
status = vtenc_send_frame(avctx, vtctx, frame);
|
|
|
|
if (status) {
|
|
status = AVERROR_EXTERNAL;
|
|
goto end_nopkt;
|
|
}
|
|
|
|
if (vtctx->frame_ct_in == 0) {
|
|
vtctx->first_pts = frame->pts;
|
|
} else if(vtctx->frame_ct_in == 1 && vtctx->has_b_frames) {
|
|
vtctx->dts_delta = frame->pts - vtctx->first_pts;
|
|
}
|
|
|
|
vtctx->frame_ct_in++;
|
|
} else if(!vtctx->flushing) {
|
|
vtctx->flushing = true;
|
|
|
|
status = VTCompressionSessionCompleteFrames(vtctx->session,
|
|
kCMTimeIndefinite);
|
|
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error flushing frames: %d\n", status);
|
|
status = AVERROR_EXTERNAL;
|
|
goto end_nopkt;
|
|
}
|
|
}
|
|
|
|
*got_packet = 0;
|
|
get_frame = vtctx->dts_delta >= 0 || !frame;
|
|
if (!get_frame) {
|
|
status = 0;
|
|
goto end_nopkt;
|
|
}
|
|
|
|
status = vtenc_q_pop(vtctx, !frame, &buf, &sei);
|
|
if (status) goto end_nopkt;
|
|
if (!buf) goto end_nopkt;
|
|
|
|
status = vtenc_cm_to_avpacket(avctx, buf, pkt, sei);
|
|
if (sei) {
|
|
if (sei->data) av_free(sei->data);
|
|
av_free(sei);
|
|
}
|
|
CFRelease(buf);
|
|
if (status) goto end_nopkt;
|
|
|
|
*got_packet = 1;
|
|
return 0;
|
|
|
|
end_nopkt:
|
|
av_packet_unref(pkt);
|
|
return status;
|
|
}
|
|
|
|
static int vtenc_populate_extradata(AVCodecContext *avctx,
|
|
CMVideoCodecType codec_type,
|
|
CFStringRef profile_level,
|
|
CFNumberRef gamma_level,
|
|
CFDictionaryRef enc_info,
|
|
CFDictionaryRef pixel_buffer_info)
|
|
{
|
|
VTEncContext *vtctx = avctx->priv_data;
|
|
AVFrame *frame = av_frame_alloc();
|
|
int y_size = avctx->width * avctx->height;
|
|
int chroma_size = (avctx->width / 2) * (avctx->height / 2);
|
|
CMSampleBufferRef buf = NULL;
|
|
int status;
|
|
|
|
if (!frame)
|
|
return AVERROR(ENOMEM);
|
|
|
|
frame->buf[0] = av_buffer_alloc(y_size + 2 * chroma_size);
|
|
|
|
if(!frame->buf[0]){
|
|
status = AVERROR(ENOMEM);
|
|
goto pe_cleanup;
|
|
}
|
|
|
|
status = vtenc_create_encoder(avctx,
|
|
codec_type,
|
|
profile_level,
|
|
gamma_level,
|
|
enc_info,
|
|
pixel_buffer_info,
|
|
&vtctx->session);
|
|
if (status)
|
|
goto pe_cleanup;
|
|
|
|
frame->data[0] = frame->buf[0]->data;
|
|
memset(frame->data[0], 0, y_size);
|
|
|
|
frame->data[1] = frame->buf[0]->data + y_size;
|
|
memset(frame->data[1], 128, chroma_size);
|
|
|
|
|
|
if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
|
|
frame->data[2] = frame->buf[0]->data + y_size + chroma_size;
|
|
memset(frame->data[2], 128, chroma_size);
|
|
}
|
|
|
|
frame->linesize[0] = avctx->width;
|
|
|
|
if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
|
|
frame->linesize[1] =
|
|
frame->linesize[2] = (avctx->width + 1) / 2;
|
|
} else {
|
|
frame->linesize[1] = (avctx->width + 1) / 2;
|
|
}
|
|
|
|
frame->format = avctx->pix_fmt;
|
|
frame->width = avctx->width;
|
|
frame->height = avctx->height;
|
|
frame->colorspace = avctx->colorspace;
|
|
frame->color_range = avctx->color_range;
|
|
frame->color_trc = avctx->color_trc;
|
|
frame->color_primaries = avctx->color_primaries;
|
|
|
|
frame->pts = 0;
|
|
status = vtenc_send_frame(avctx, vtctx, frame);
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error sending frame: %d\n", status);
|
|
goto pe_cleanup;
|
|
}
|
|
|
|
//Populates extradata - output frames are flushed and param sets are available.
|
|
status = VTCompressionSessionCompleteFrames(vtctx->session,
|
|
kCMTimeIndefinite);
|
|
|
|
if (status)
|
|
goto pe_cleanup;
|
|
|
|
status = vtenc_q_pop(vtctx, 0, &buf, NULL);
|
|
if (status) {
|
|
av_log(avctx, AV_LOG_ERROR, "popping: %d\n", status);
|
|
goto pe_cleanup;
|
|
}
|
|
|
|
CFRelease(buf);
|
|
|
|
|
|
|
|
pe_cleanup:
|
|
if(vtctx->session)
|
|
CFRelease(vtctx->session);
|
|
|
|
vtctx->session = NULL;
|
|
vtctx->frame_ct_out = 0;
|
|
|
|
av_frame_unref(frame);
|
|
av_frame_free(&frame);
|
|
|
|
av_assert0(status != 0 || (avctx->extradata && avctx->extradata_size > 0));
|
|
|
|
return status;
|
|
}
|
|
|
|
static av_cold int vtenc_close(AVCodecContext *avctx)
|
|
{
|
|
VTEncContext *vtctx = avctx->priv_data;
|
|
|
|
if(!vtctx->session) return 0;
|
|
|
|
VTCompressionSessionCompleteFrames(vtctx->session,
|
|
kCMTimeIndefinite);
|
|
clear_frame_queue(vtctx);
|
|
pthread_cond_destroy(&vtctx->cv_sample_sent);
|
|
pthread_mutex_destroy(&vtctx->lock);
|
|
CFRelease(vtctx->session);
|
|
vtctx->session = NULL;
|
|
|
|
if (vtctx->color_primaries) {
|
|
CFRelease(vtctx->color_primaries);
|
|
vtctx->color_primaries = NULL;
|
|
}
|
|
|
|
if (vtctx->transfer_function) {
|
|
CFRelease(vtctx->transfer_function);
|
|
vtctx->transfer_function = NULL;
|
|
}
|
|
|
|
if (vtctx->ycbcr_matrix) {
|
|
CFRelease(vtctx->ycbcr_matrix);
|
|
vtctx->ycbcr_matrix = NULL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const enum AVPixelFormat pix_fmts[] = {
|
|
AV_PIX_FMT_VIDEOTOOLBOX,
|
|
AV_PIX_FMT_NV12,
|
|
AV_PIX_FMT_YUV420P,
|
|
AV_PIX_FMT_NONE
|
|
};
|
|
|
|
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
|
|
#define COMMON_OPTIONS \
|
|
{ "allow_sw", "Allow software encoding", OFFSET(allow_sw), AV_OPT_TYPE_BOOL, \
|
|
{ .i64 = 0 }, 0, 1, VE }, \
|
|
{ "realtime", "Hint that encoding should happen in real-time if not faster (e.g. capturing from camera).", \
|
|
OFFSET(realtime), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, \
|
|
{ "frames_before", "Other frames will come before the frames in this session. This helps smooth concatenation issues.", \
|
|
OFFSET(frames_before), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, \
|
|
{ "frames_after", "Other frames will come after the frames in this session. This helps smooth concatenation issues.", \
|
|
OFFSET(frames_after), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
|
|
|
|
#define OFFSET(x) offsetof(VTEncContext, x)
|
|
static const AVOption h264_options[] = {
|
|
{ "profile", "Profile", OFFSET(profile), AV_OPT_TYPE_INT, { .i64 = H264_PROF_AUTO }, H264_PROF_AUTO, H264_PROF_COUNT, VE, "profile" },
|
|
{ "baseline", "Baseline Profile", 0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_BASELINE }, INT_MIN, INT_MAX, VE, "profile" },
|
|
{ "main", "Main Profile", 0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_MAIN }, INT_MIN, INT_MAX, VE, "profile" },
|
|
{ "high", "High Profile", 0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_HIGH }, INT_MIN, INT_MAX, VE, "profile" },
|
|
|
|
{ "level", "Level", OFFSET(level), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 52, VE, "level" },
|
|
{ "1.3", "Level 1.3, only available with Baseline Profile", 0, AV_OPT_TYPE_CONST, { .i64 = 13 }, INT_MIN, INT_MAX, VE, "level" },
|
|
{ "3.0", "Level 3.0", 0, AV_OPT_TYPE_CONST, { .i64 = 30 }, INT_MIN, INT_MAX, VE, "level" },
|
|
{ "3.1", "Level 3.1", 0, AV_OPT_TYPE_CONST, { .i64 = 31 }, INT_MIN, INT_MAX, VE, "level" },
|
|
{ "3.2", "Level 3.2", 0, AV_OPT_TYPE_CONST, { .i64 = 32 }, INT_MIN, INT_MAX, VE, "level" },
|
|
{ "4.0", "Level 4.0", 0, AV_OPT_TYPE_CONST, { .i64 = 40 }, INT_MIN, INT_MAX, VE, "level" },
|
|
{ "4.1", "Level 4.1", 0, AV_OPT_TYPE_CONST, { .i64 = 41 }, INT_MIN, INT_MAX, VE, "level" },
|
|
{ "4.2", "Level 4.2", 0, AV_OPT_TYPE_CONST, { .i64 = 42 }, INT_MIN, INT_MAX, VE, "level" },
|
|
{ "5.0", "Level 5.0", 0, AV_OPT_TYPE_CONST, { .i64 = 50 }, INT_MIN, INT_MAX, VE, "level" },
|
|
{ "5.1", "Level 5.1", 0, AV_OPT_TYPE_CONST, { .i64 = 51 }, INT_MIN, INT_MAX, VE, "level" },
|
|
{ "5.2", "Level 5.2", 0, AV_OPT_TYPE_CONST, { .i64 = 52 }, INT_MIN, INT_MAX, VE, "level" },
|
|
|
|
{ "coder", "Entropy coding", OFFSET(entropy), AV_OPT_TYPE_INT, { .i64 = VT_ENTROPY_NOT_SET }, VT_ENTROPY_NOT_SET, VT_CABAC, VE, "coder" },
|
|
{ "cavlc", "CAVLC entropy coding", 0, AV_OPT_TYPE_CONST, { .i64 = VT_CAVLC }, INT_MIN, INT_MAX, VE, "coder" },
|
|
{ "vlc", "CAVLC entropy coding", 0, AV_OPT_TYPE_CONST, { .i64 = VT_CAVLC }, INT_MIN, INT_MAX, VE, "coder" },
|
|
{ "cabac", "CABAC entropy coding", 0, AV_OPT_TYPE_CONST, { .i64 = VT_CABAC }, INT_MIN, INT_MAX, VE, "coder" },
|
|
{ "ac", "CABAC entropy coding", 0, AV_OPT_TYPE_CONST, { .i64 = VT_CABAC }, INT_MIN, INT_MAX, VE, "coder" },
|
|
|
|
{ "a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, VE },
|
|
|
|
COMMON_OPTIONS
|
|
{ NULL },
|
|
};
|
|
|
|
static const AVClass h264_videotoolbox_class = {
|
|
.class_name = "h264_videotoolbox",
|
|
.item_name = av_default_item_name,
|
|
.option = h264_options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
AVCodec ff_h264_videotoolbox_encoder = {
|
|
.name = "h264_videotoolbox",
|
|
.long_name = NULL_IF_CONFIG_SMALL("VideoToolbox H.264 Encoder"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_H264,
|
|
.priv_data_size = sizeof(VTEncContext),
|
|
.pix_fmts = pix_fmts,
|
|
.init = vtenc_init,
|
|
.encode2 = vtenc_frame,
|
|
.close = vtenc_close,
|
|
.capabilities = AV_CODEC_CAP_DELAY,
|
|
.priv_class = &h264_videotoolbox_class,
|
|
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
|
|
FF_CODEC_CAP_INIT_CLEANUP,
|
|
};
|
|
|
|
static const AVOption hevc_options[] = {
|
|
{ "profile", "Profile", OFFSET(profile), AV_OPT_TYPE_INT, { .i64 = HEVC_PROF_AUTO }, HEVC_PROF_AUTO, HEVC_PROF_COUNT, VE, "profile" },
|
|
{ "main", "Main Profile", 0, AV_OPT_TYPE_CONST, { .i64 = HEVC_PROF_MAIN }, INT_MIN, INT_MAX, VE, "profile" },
|
|
{ "main10", "Main10 Profile", 0, AV_OPT_TYPE_CONST, { .i64 = HEVC_PROF_MAIN10 }, INT_MIN, INT_MAX, VE, "profile" },
|
|
|
|
COMMON_OPTIONS
|
|
{ NULL },
|
|
};
|
|
|
|
static const AVClass hevc_videotoolbox_class = {
|
|
.class_name = "hevc_videotoolbox",
|
|
.item_name = av_default_item_name,
|
|
.option = hevc_options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
AVCodec ff_hevc_videotoolbox_encoder = {
|
|
.name = "hevc_videotoolbox",
|
|
.long_name = NULL_IF_CONFIG_SMALL("VideoToolbox H.265 Encoder"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_HEVC,
|
|
.priv_data_size = sizeof(VTEncContext),
|
|
.pix_fmts = pix_fmts,
|
|
.init = vtenc_init,
|
|
.encode2 = vtenc_frame,
|
|
.close = vtenc_close,
|
|
.capabilities = AV_CODEC_CAP_DELAY,
|
|
.priv_class = &hevc_videotoolbox_class,
|
|
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
|
|
FF_CODEC_CAP_INIT_CLEANUP,
|
|
};
|