| /* |
| * copyright (c) 2015 Rick Kern <kernrj@gmail.com> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <VideoToolbox/VideoToolbox.h> |
| #include <CoreVideo/CoreVideo.h> |
| #include <CoreMedia/CoreMedia.h> |
| #include <TargetConditionals.h> |
| #include <Availability.h> |
| #include "avcodec.h" |
| #include "libavutil/opt.h" |
| #include "libavutil/avassert.h" |
| #include "libavutil/avstring.h" |
| #include "libavcodec/avcodec.h" |
| #include "libavutil/pixdesc.h" |
| #include "internal.h" |
| #include <pthread.h> |
| #include "atsc_a53.h" |
| #include "h264.h" |
| #include "h264_sei.h" |
| #include <dlfcn.h> |
| |
| #if !HAVE_KCMVIDEOCODECTYPE_HEVC |
| enum { kCMVideoCodecType_HEVC = 'hvc1' }; |
| #endif |
| |
| #if !HAVE_KCVPIXELFORMATTYPE_420YPCBCR10BIPLANARVIDEORANGE |
| enum { kCVPixelFormatType_420YpCbCr10BiPlanarFullRange = 'xf20' }; |
| enum { kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange = 'x420' }; |
| #endif |
| |
| typedef OSStatus (*getParameterSetAtIndex)(CMFormatDescriptionRef videoDesc, |
| size_t parameterSetIndex, |
| const uint8_t **parameterSetPointerOut, |
| size_t *parameterSetSizeOut, |
| size_t *parameterSetCountOut, |
| int *NALUnitHeaderLengthOut); |
| |
| //These symbols may not be present |
| static struct{ |
| CFStringRef kCVImageBufferColorPrimaries_ITU_R_2020; |
| CFStringRef kCVImageBufferTransferFunction_ITU_R_2020; |
| CFStringRef kCVImageBufferYCbCrMatrix_ITU_R_2020; |
| |
| CFStringRef kVTCompressionPropertyKey_H264EntropyMode; |
| CFStringRef kVTH264EntropyMode_CAVLC; |
| CFStringRef kVTH264EntropyMode_CABAC; |
| |
| CFStringRef kVTProfileLevel_H264_Baseline_4_0; |
| CFStringRef kVTProfileLevel_H264_Baseline_4_2; |
| CFStringRef kVTProfileLevel_H264_Baseline_5_0; |
| CFStringRef kVTProfileLevel_H264_Baseline_5_1; |
| CFStringRef kVTProfileLevel_H264_Baseline_5_2; |
| CFStringRef kVTProfileLevel_H264_Baseline_AutoLevel; |
| CFStringRef kVTProfileLevel_H264_Main_4_2; |
| CFStringRef kVTProfileLevel_H264_Main_5_1; |
| CFStringRef kVTProfileLevel_H264_Main_5_2; |
| CFStringRef kVTProfileLevel_H264_Main_AutoLevel; |
| CFStringRef kVTProfileLevel_H264_High_3_0; |
| CFStringRef kVTProfileLevel_H264_High_3_1; |
| CFStringRef kVTProfileLevel_H264_High_3_2; |
| CFStringRef kVTProfileLevel_H264_High_4_0; |
| CFStringRef kVTProfileLevel_H264_High_4_1; |
| CFStringRef kVTProfileLevel_H264_High_4_2; |
| CFStringRef kVTProfileLevel_H264_High_5_1; |
| CFStringRef kVTProfileLevel_H264_High_5_2; |
| CFStringRef kVTProfileLevel_H264_High_AutoLevel; |
| CFStringRef kVTProfileLevel_H264_Extended_5_0; |
| CFStringRef kVTProfileLevel_H264_Extended_AutoLevel; |
| |
| CFStringRef kVTProfileLevel_HEVC_Main_AutoLevel; |
| CFStringRef kVTProfileLevel_HEVC_Main10_AutoLevel; |
| |
| CFStringRef kVTCompressionPropertyKey_RealTime; |
| |
| CFStringRef kVTVideoEncoderSpecification_EnableHardwareAcceleratedVideoEncoder; |
| CFStringRef kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder; |
| |
| getParameterSetAtIndex CMVideoFormatDescriptionGetHEVCParameterSetAtIndex; |
| } compat_keys; |
| |
| #define GET_SYM(symbol, defaultVal) \ |
| do{ \ |
| CFStringRef* handle = (CFStringRef*)dlsym(RTLD_DEFAULT, #symbol); \ |
| if(!handle) \ |
| compat_keys.symbol = CFSTR(defaultVal); \ |
| else \ |
| compat_keys.symbol = *handle; \ |
| }while(0) |
| |
| static pthread_once_t once_ctrl = PTHREAD_ONCE_INIT; |
| |
| static void loadVTEncSymbols(){ |
| compat_keys.CMVideoFormatDescriptionGetHEVCParameterSetAtIndex = |
| (getParameterSetAtIndex)dlsym( |
| RTLD_DEFAULT, |
| "CMVideoFormatDescriptionGetHEVCParameterSetAtIndex" |
| ); |
| |
| GET_SYM(kCVImageBufferColorPrimaries_ITU_R_2020, "ITU_R_2020"); |
| GET_SYM(kCVImageBufferTransferFunction_ITU_R_2020, "ITU_R_2020"); |
| GET_SYM(kCVImageBufferYCbCrMatrix_ITU_R_2020, "ITU_R_2020"); |
| |
| GET_SYM(kVTCompressionPropertyKey_H264EntropyMode, "H264EntropyMode"); |
| GET_SYM(kVTH264EntropyMode_CAVLC, "CAVLC"); |
| GET_SYM(kVTH264EntropyMode_CABAC, "CABAC"); |
| |
| GET_SYM(kVTProfileLevel_H264_Baseline_4_0, "H264_Baseline_4_0"); |
| GET_SYM(kVTProfileLevel_H264_Baseline_4_2, "H264_Baseline_4_2"); |
| GET_SYM(kVTProfileLevel_H264_Baseline_5_0, "H264_Baseline_5_0"); |
| GET_SYM(kVTProfileLevel_H264_Baseline_5_1, "H264_Baseline_5_1"); |
| GET_SYM(kVTProfileLevel_H264_Baseline_5_2, "H264_Baseline_5_2"); |
| GET_SYM(kVTProfileLevel_H264_Baseline_AutoLevel, "H264_Baseline_AutoLevel"); |
| GET_SYM(kVTProfileLevel_H264_Main_4_2, "H264_Main_4_2"); |
| GET_SYM(kVTProfileLevel_H264_Main_5_1, "H264_Main_5_1"); |
| GET_SYM(kVTProfileLevel_H264_Main_5_2, "H264_Main_5_2"); |
| GET_SYM(kVTProfileLevel_H264_Main_AutoLevel, "H264_Main_AutoLevel"); |
| GET_SYM(kVTProfileLevel_H264_High_3_0, "H264_High_3_0"); |
| GET_SYM(kVTProfileLevel_H264_High_3_1, "H264_High_3_1"); |
| GET_SYM(kVTProfileLevel_H264_High_3_2, "H264_High_3_2"); |
| GET_SYM(kVTProfileLevel_H264_High_4_0, "H264_High_4_0"); |
| GET_SYM(kVTProfileLevel_H264_High_4_1, "H264_High_4_1"); |
| GET_SYM(kVTProfileLevel_H264_High_4_2, "H264_High_4_2"); |
| GET_SYM(kVTProfileLevel_H264_High_5_1, "H264_High_5_1"); |
| GET_SYM(kVTProfileLevel_H264_High_5_2, "H264_High_5_2"); |
| GET_SYM(kVTProfileLevel_H264_High_AutoLevel, "H264_High_AutoLevel"); |
| GET_SYM(kVTProfileLevel_H264_Extended_5_0, "H264_Extended_5_0"); |
| GET_SYM(kVTProfileLevel_H264_Extended_AutoLevel, "H264_Extended_AutoLevel"); |
| |
| GET_SYM(kVTProfileLevel_HEVC_Main_AutoLevel, "HEVC_Main_AutoLevel"); |
| GET_SYM(kVTProfileLevel_HEVC_Main10_AutoLevel, "HEVC_Main10_AutoLevel"); |
| |
| GET_SYM(kVTCompressionPropertyKey_RealTime, "RealTime"); |
| |
| GET_SYM(kVTVideoEncoderSpecification_EnableHardwareAcceleratedVideoEncoder, |
| "EnableHardwareAcceleratedVideoEncoder"); |
| GET_SYM(kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder, |
| "RequireHardwareAcceleratedVideoEncoder"); |
| } |
| |
| typedef enum VT_H264Profile { |
| H264_PROF_AUTO, |
| H264_PROF_BASELINE, |
| H264_PROF_MAIN, |
| H264_PROF_HIGH, |
| H264_PROF_EXTENDED, |
| H264_PROF_COUNT |
| } VT_H264Profile; |
| |
| typedef enum VTH264Entropy{ |
| VT_ENTROPY_NOT_SET, |
| VT_CAVLC, |
| VT_CABAC |
| } VTH264Entropy; |
| |
| typedef enum VT_HEVCProfile { |
| HEVC_PROF_AUTO, |
| HEVC_PROF_MAIN, |
| HEVC_PROF_MAIN10, |
| HEVC_PROF_COUNT |
| } VT_HEVCProfile; |
| |
| static const uint8_t start_code[] = { 0, 0, 0, 1 }; |
| |
| typedef struct ExtraSEI { |
| void *data; |
| size_t size; |
| } ExtraSEI; |
| |
| typedef struct BufNode { |
| CMSampleBufferRef cm_buffer; |
| ExtraSEI *sei; |
| struct BufNode* next; |
| int error; |
| } BufNode; |
| |
| typedef struct VTEncContext { |
| AVClass *class; |
| enum AVCodecID codec_id; |
| VTCompressionSessionRef session; |
| CFStringRef ycbcr_matrix; |
| CFStringRef color_primaries; |
| CFStringRef transfer_function; |
| getParameterSetAtIndex get_param_set_func; |
| |
| pthread_mutex_t lock; |
| pthread_cond_t cv_sample_sent; |
| |
| int async_error; |
| |
| BufNode *q_head; |
| BufNode *q_tail; |
| |
| int64_t frame_ct_out; |
| int64_t frame_ct_in; |
| |
| int64_t first_pts; |
| int64_t dts_delta; |
| |
| int64_t profile; |
| int64_t level; |
| int64_t entropy; |
| int64_t realtime; |
| int64_t frames_before; |
| int64_t frames_after; |
| |
| int64_t allow_sw; |
| int64_t require_sw; |
| |
| bool flushing; |
| bool has_b_frames; |
| bool warned_color_range; |
| |
| /* can't be bool type since AVOption will access it as int */ |
| int a53_cc; |
| } VTEncContext; |
| |
| static int vtenc_populate_extradata(AVCodecContext *avctx, |
| CMVideoCodecType codec_type, |
| CFStringRef profile_level, |
| CFNumberRef gamma_level, |
| CFDictionaryRef enc_info, |
| CFDictionaryRef pixel_buffer_info); |
| |
| /** |
| * NULL-safe release of *refPtr, and sets value to NULL. |
| */ |
| static void vt_release_num(CFNumberRef* refPtr){ |
| if (!*refPtr) { |
| return; |
| } |
| |
| CFRelease(*refPtr); |
| *refPtr = NULL; |
| } |
| |
| static void set_async_error(VTEncContext *vtctx, int err) |
| { |
| BufNode *info; |
| |
| pthread_mutex_lock(&vtctx->lock); |
| |
| vtctx->async_error = err; |
| |
| info = vtctx->q_head; |
| vtctx->q_head = vtctx->q_tail = NULL; |
| |
| while (info) { |
| BufNode *next = info->next; |
| CFRelease(info->cm_buffer); |
| av_free(info); |
| info = next; |
| } |
| |
| pthread_mutex_unlock(&vtctx->lock); |
| } |
| |
| static void clear_frame_queue(VTEncContext *vtctx) |
| { |
| set_async_error(vtctx, 0); |
| } |
| |
| static int vtenc_q_pop(VTEncContext *vtctx, bool wait, CMSampleBufferRef *buf, ExtraSEI **sei) |
| { |
| BufNode *info; |
| |
| pthread_mutex_lock(&vtctx->lock); |
| |
| if (vtctx->async_error) { |
| pthread_mutex_unlock(&vtctx->lock); |
| return vtctx->async_error; |
| } |
| |
| if (vtctx->flushing && vtctx->frame_ct_in == vtctx->frame_ct_out) { |
| *buf = NULL; |
| |
| pthread_mutex_unlock(&vtctx->lock); |
| return 0; |
| } |
| |
| while (!vtctx->q_head && !vtctx->async_error && wait && !vtctx->flushing) { |
| pthread_cond_wait(&vtctx->cv_sample_sent, &vtctx->lock); |
| } |
| |
| if (!vtctx->q_head) { |
| pthread_mutex_unlock(&vtctx->lock); |
| *buf = NULL; |
| return 0; |
| } |
| |
| info = vtctx->q_head; |
| vtctx->q_head = vtctx->q_head->next; |
| if (!vtctx->q_head) { |
| vtctx->q_tail = NULL; |
| } |
| |
| vtctx->frame_ct_out++; |
| pthread_mutex_unlock(&vtctx->lock); |
| |
| *buf = info->cm_buffer; |
| if (sei && *buf) { |
| *sei = info->sei; |
| } else if (info->sei) { |
| if (info->sei->data) av_free(info->sei->data); |
| av_free(info->sei); |
| } |
| av_free(info); |
| |
| |
| return 0; |
| } |
| |
| static void vtenc_q_push(VTEncContext *vtctx, CMSampleBufferRef buffer, ExtraSEI *sei) |
| { |
| BufNode *info = av_malloc(sizeof(BufNode)); |
| if (!info) { |
| set_async_error(vtctx, AVERROR(ENOMEM)); |
| return; |
| } |
| |
| CFRetain(buffer); |
| info->cm_buffer = buffer; |
| info->sei = sei; |
| info->next = NULL; |
| |
| pthread_mutex_lock(&vtctx->lock); |
| |
| if (!vtctx->q_head) { |
| vtctx->q_head = info; |
| } else { |
| vtctx->q_tail->next = info; |
| } |
| |
| vtctx->q_tail = info; |
| |
| pthread_cond_signal(&vtctx->cv_sample_sent); |
| pthread_mutex_unlock(&vtctx->lock); |
| } |
| |
| static int count_nalus(size_t length_code_size, |
| CMSampleBufferRef sample_buffer, |
| int *count) |
| { |
| size_t offset = 0; |
| int status; |
| int nalu_ct = 0; |
| uint8_t size_buf[4]; |
| size_t src_size = CMSampleBufferGetTotalSampleSize(sample_buffer); |
| CMBlockBufferRef block = CMSampleBufferGetDataBuffer(sample_buffer); |
| |
| if (length_code_size > 4) |
| return AVERROR_INVALIDDATA; |
| |
| while (offset < src_size) { |
| size_t curr_src_len; |
| size_t box_len = 0; |
| size_t i; |
| |
| status = CMBlockBufferCopyDataBytes(block, |
| offset, |
| length_code_size, |
| size_buf); |
| |
| for (i = 0; i < length_code_size; i++) { |
| box_len <<= 8; |
| box_len |= size_buf[i]; |
| } |
| |
| curr_src_len = box_len + length_code_size; |
| offset += curr_src_len; |
| |
| nalu_ct++; |
| } |
| |
| *count = nalu_ct; |
| return 0; |
| } |
| |
| static CMVideoCodecType get_cm_codec_type(enum AVCodecID id) |
| { |
| switch (id) { |
| case AV_CODEC_ID_H264: return kCMVideoCodecType_H264; |
| case AV_CODEC_ID_HEVC: return kCMVideoCodecType_HEVC; |
| default: return 0; |
| } |
| } |
| |
| /** |
| * Get the parameter sets from a CMSampleBufferRef. |
| * @param dst If *dst isn't NULL, the parameters are copied into existing |
| * memory. *dst_size must be set accordingly when *dst != NULL. |
| * If *dst is NULL, it will be allocated. |
| * In all cases, *dst_size is set to the number of bytes used starting |
| * at *dst. |
| */ |
| static int get_params_size( |
| AVCodecContext *avctx, |
| CMVideoFormatDescriptionRef vid_fmt, |
| size_t *size) |
| { |
| VTEncContext *vtctx = avctx->priv_data; |
| size_t total_size = 0; |
| size_t ps_count; |
| int is_count_bad = 0; |
| size_t i; |
| int status; |
| status = vtctx->get_param_set_func(vid_fmt, |
| 0, |
| NULL, |
| NULL, |
| &ps_count, |
| NULL); |
| if (status) { |
| is_count_bad = 1; |
| ps_count = 0; |
| status = 0; |
| } |
| |
| for (i = 0; i < ps_count || is_count_bad; i++) { |
| const uint8_t *ps; |
| size_t ps_size; |
| status = vtctx->get_param_set_func(vid_fmt, |
| i, |
| &ps, |
| &ps_size, |
| NULL, |
| NULL); |
| if (status) { |
| /* |
| * When ps_count is invalid, status != 0 ends the loop normally |
| * unless we didn't get any parameter sets. |
| */ |
| if (i > 0 && is_count_bad) status = 0; |
| |
| break; |
| } |
| |
| total_size += ps_size + sizeof(start_code); |
| } |
| |
| if (status) { |
| av_log(avctx, AV_LOG_ERROR, "Error getting parameter set sizes: %d\n", status); |
| return AVERROR_EXTERNAL; |
| } |
| |
| *size = total_size; |
| return 0; |
| } |
| |
| static int copy_param_sets( |
| AVCodecContext *avctx, |
| CMVideoFormatDescriptionRef vid_fmt, |
| uint8_t *dst, |
| size_t dst_size) |
| { |
| VTEncContext *vtctx = avctx->priv_data; |
| size_t ps_count; |
| int is_count_bad = 0; |
| int status; |
| size_t offset = 0; |
| size_t i; |
| |
| status = vtctx->get_param_set_func(vid_fmt, |
| 0, |
| NULL, |
| NULL, |
| &ps_count, |
| NULL); |
| if (status) { |
| is_count_bad = 1; |
| ps_count = 0; |
| status = 0; |
| } |
| |
| |
| for (i = 0; i < ps_count || is_count_bad; i++) { |
| const uint8_t *ps; |
| size_t ps_size; |
| size_t next_offset; |
| |
| status = vtctx->get_param_set_func(vid_fmt, |
| i, |
| &ps, |
| &ps_size, |
| NULL, |
| NULL); |
| if (status) { |
| if (i > 0 && is_count_bad) status = 0; |
| |
| break; |
| } |
| |
| next_offset = offset + sizeof(start_code) + ps_size; |
| if (dst_size < next_offset) { |
| av_log(avctx, AV_LOG_ERROR, "Error: buffer too small for parameter sets.\n"); |
| return AVERROR_BUFFER_TOO_SMALL; |
| } |
| |
| memcpy(dst + offset, start_code, sizeof(start_code)); |
| offset += sizeof(start_code); |
| |
| memcpy(dst + offset, ps, ps_size); |
| offset = next_offset; |
| } |
| |
| 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) { |
| return; |
| } |
| |
| if (status) { |
| av_log(avctx, AV_LOG_ERROR, "Error encoding frame: %d\n", (int)status); |
| set_async_error(vtctx, AVERROR_EXTERNAL); |
| return; |
| } |
| |
| if (!sample_buffer) { |
| 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; |
| case H264_PROF_EXTENDED: |
| switch (vtctx->level) { |
| case 0: *profile_level_val = |
| compat_keys.kVTProfileLevel_H264_Extended_AutoLevel; break; |
| case 50: *profile_level_val = |
| compat_keys.kVTProfileLevel_H264_Extended_5_0; 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 if (fmt == AV_PIX_FMT_P010LE) { |
| *av_pixel_format = range == AVCOL_RANGE_JPEG ? |
| kCVPixelFormatType_420YpCbCr10BiPlanarFullRange : |
| kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange; |
| } 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_BT470BG: |
| *primaries = kCVImageBufferColorPrimaries_EBU_3213; |
| break; |
| |
| case AVCOL_PRI_SMPTE170M: |
| *primaries = kCVImageBufferColorPrimaries_SMPTE_C; |
| 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; |
| |
| #if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_SMPTE_ST_2084_PQ |
| case AVCOL_TRC_SMPTE2084: |
| *transfer_fnc = kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ; |
| break; |
| #endif |
| #if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_LINEAR |
| case AVCOL_TRC_LINEAR: |
| *transfer_fnc = kCVImageBufferTransferFunction_Linear; |
| break; |
| #endif |
| #if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2100_HLG |
| case AVCOL_TRC_ARIB_STD_B67: |
| *transfer_fnc = kCVImageBufferTransferFunction_ITU_R_2100_HLG; |
| break; |
| #endif |
| |
| 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: |
| *transfer_fnc = NULL; |
| 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 && max_rate > 0) { |
| // 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. Output will be encoded using a supported profile/level combination.\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 int vtenc_configure_encoder(AVCodecContext *avctx) |
| { |
| CFMutableDictionaryRef enc_info; |
| CFMutableDictionaryRef pixel_buffer_info; |
| CMVideoCodecType codec_type; |
| VTEncContext *vtctx = avctx->priv_data; |
| CFStringRef profile_level; |
| CFNumberRef gamma_level = NULL; |
| int status; |
| |
| 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); |
| } |
| |
| enc_info = CFDictionaryCreateMutable( |
| kCFAllocatorDefault, |
| 20, |
| &kCFCopyStringDictionaryKeyCallBacks, |
| &kCFTypeDictionaryValueCallBacks |
| ); |
| |
| if (!enc_info) return AVERROR(ENOMEM); |
| |
| #if !TARGET_OS_IPHONE |
| if(vtctx->require_sw) { |
| CFDictionarySetValue(enc_info, |
| compat_keys.kVTVideoEncoderSpecification_EnableHardwareAcceleratedVideoEncoder, |
| kCFBooleanFalse); |
| } else 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; |
| } |
| |
| 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); |
| |
| init_cleanup: |
| if (gamma_level) |
| CFRelease(gamma_level); |
| |
| if (pixel_buffer_info) |
| CFRelease(pixel_buffer_info); |
| |
| CFRelease(enc_info); |
| |
| return status; |
| } |
| |
| static av_cold int vtenc_init(AVCodecContext *avctx) |
| { |
| VTEncContext *vtctx = avctx->priv_data; |
| CFBooleanRef has_b_frames_cfbool; |
| int status; |
| |
| pthread_once(&once_ctrl, loadVTEncSymbols); |
| |
| pthread_mutex_init(&vtctx->lock, NULL); |
| pthread_cond_init(&vtctx->cv_sample_sent, NULL); |
| |
| vtctx->session = NULL; |
| status = vtenc_configure_encoder(avctx); |
| if (status) return status; |
| |
| 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; |
| |
| return 0; |
| } |
| |
| 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)); |
| } |
| } |
| |
| 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; |
| |
| case AV_PIX_FMT_P010LE: |
| *plane_count = 2; |
| widths[0] = avctx->width; |
| heights[0] = avctx->height; |
| strides[0] = frame ? frame->linesize[0] : (avctx->width * 2 + 63) & -64; |
| |
| widths[1] = (avctx->width + 1) / 2; |
| heights[1] = (avctx->height + 1) / 2; |
| strides[1] = frame ? frame->linesize[1] : ((avctx->width + 1) / 2 + 63) & -64; |
| 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; |
| } |
| |
| //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; |
| } |
| |
| 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; |
| CVPixelBufferPoolRef pix_buf_pool; |
| VTEncContext* vtctx = avctx->priv_data; |
| |
| 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; |
| } |
| |
| pix_buf_pool = VTCompressionSessionGetPixelBufferPool(vtctx->session); |
| if (!pix_buf_pool) { |
| /* On iOS, the VT session is invalidated when the APP switches from |
| * foreground to background and vice versa. Fetch the actual error code |
| * of the VT session to detect that case and restart the VT session |
| * accordingly. */ |
| OSStatus vtstatus; |
| |
| vtstatus = VTCompressionSessionPrepareToEncodeFrames(vtctx->session); |
| if (vtstatus == kVTInvalidSessionErr) { |
| CFRelease(vtctx->session); |
| vtctx->session = NULL; |
| status = vtenc_configure_encoder(avctx); |
| if (status == 0) |
| 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; |
| } |
| else |
| av_log(avctx, AV_LOG_WARNING, "VT session restarted because of a " |
| "kVTInvalidSessionErr error.\n"); |
| } |
| |
| 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; |
| } |
| |
| 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; |
| int status; |
| CVPixelBufferPoolRef pool = NULL; |
| CVPixelBufferRef pix_buf = NULL; |
| CMTime time; |
| CMSampleBufferRef buf = NULL; |
| |
| status = vtenc_create_encoder(avctx, |
| codec_type, |
| profile_level, |
| gamma_level, |
| enc_info, |
| pixel_buffer_info, |
| &vtctx->session); |
| if (status) |
| goto pe_cleanup; |
| |
| pool = VTCompressionSessionGetPixelBufferPool(vtctx->session); |
| if(!pool){ |
| av_log(avctx, AV_LOG_ERROR, "Error getting pixel buffer pool.\n"); |
| goto pe_cleanup; |
| } |
| |
| status = CVPixelBufferPoolCreatePixelBuffer(NULL, |
| pool, |
| &pix_buf); |
| |
| if(status != kCVReturnSuccess){ |
| av_log(avctx, AV_LOG_ERROR, "Error creating frame from pool: %d\n", status); |
| goto pe_cleanup; |
| } |
| |
| time = CMTimeMake(0, avctx->time_base.den); |
| status = VTCompressionSessionEncodeFrame(vtctx->session, |
| pix_buf, |
| time, |
| kCMTimeInvalid, |
| NULL, |
| NULL, |
| NULL); |
| |
| if (status) { |
| av_log(avctx, |
| AV_LOG_ERROR, |
| "Error sending frame for extradata: %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_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) { |
| pthread_cond_destroy(&vtctx->cv_sample_sent); |
| pthread_mutex_destroy(&vtctx->lock); |
| 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 avc_pix_fmts[] = { |
| AV_PIX_FMT_VIDEOTOOLBOX, |
| AV_PIX_FMT_NV12, |
| AV_PIX_FMT_YUV420P, |
| AV_PIX_FMT_NONE |
| }; |
| |
| static const enum AVPixelFormat hevc_pix_fmts[] = { |
| AV_PIX_FMT_VIDEOTOOLBOX, |
| AV_PIX_FMT_NV12, |
| AV_PIX_FMT_YUV420P, |
| AV_PIX_FMT_P010LE, |
| 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 }, \ |
| { "require_sw", "Require software encoding", OFFSET(require_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" }, |
| { "extended", "Extend Profile", 0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_EXTENDED }, 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 = avc_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 = hevc_pix_fmts, |
| .init = vtenc_init, |
| .encode2 = vtenc_frame, |
| .close = vtenc_close, |
| .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE, |
| .priv_class = &hevc_videotoolbox_class, |
| .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | |
| FF_CODEC_CAP_INIT_CLEANUP, |
| .wrapper_name = "videotoolbox", |
| }; |
