diff options
| author | Simone Karin Lehmann <simone@lisanet.de> | 2022-05-01 21:07:47 +0200 |
|---|---|---|
| committer | Rick Kern <kernrj@gmail.com> | 2022-05-02 08:10:22 -0700 |
| commit | b67572c7c707d508b15ce0543519208cf5d1fcfb (patch) | |
| tree | bf731a0335b4ca759600db2aefc4c3ccc1a06d82 /libavcodec/videotoolboxenc.c | |
| parent | 4d52d8c9f6a7fb5c035aff8cfeb8774a1de1123c (diff) | |
lavc/videotoolboxenc: Speed/Quality prioriry setting
Add options to h264, hevc and prores encoders to prioritize speed.
Speeds up encoding by 50% - 70%
Signed-off-by: Simone Karin Lehmann <simone@lisanet.de>
Signed-off-by: Rick Kern <kernrj@gmail.com>
Diffstat (limited to 'libavcodec/videotoolboxenc.c')
| -rw-r--r-- | libavcodec/videotoolboxenc.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c index 270496b7a7..69d9fe75bf 100644 --- a/libavcodec/videotoolboxenc.c +++ b/libavcodec/videotoolboxenc.c @@ -100,6 +100,7 @@ static struct{ CFStringRef kVTCompressionPropertyKey_RealTime; CFStringRef kVTCompressionPropertyKey_TargetQualityForAlpha; + CFStringRef kVTCompressionPropertyKey_PrioritizeEncodingSpeedOverQuality; CFStringRef kVTVideoEncoderSpecification_EnableHardwareAcceleratedVideoEncoder; CFStringRef kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder; @@ -161,6 +162,8 @@ static void loadVTEncSymbols(){ GET_SYM(kVTCompressionPropertyKey_RealTime, "RealTime"); GET_SYM(kVTCompressionPropertyKey_TargetQualityForAlpha, "TargetQualityForAlpha"); + GET_SYM(kVTCompressionPropertyKey_PrioritizeEncodingSpeedOverQuality, + "PrioritizeEncodingSpeedOverQuality"); GET_SYM(kVTVideoEncoderSpecification_EnableHardwareAcceleratedVideoEncoder, "EnableHardwareAcceleratedVideoEncoder"); @@ -237,6 +240,7 @@ typedef struct VTEncContext { int allow_sw; int require_sw; double alpha_quality; + int prio_speed; bool flushing; int has_b_frames; @@ -1146,6 +1150,15 @@ static int vtenc_create_encoder(AVCodecContext *avctx, return AVERROR_EXTERNAL; } + if (vtctx->prio_speed >= 0) { + status = VTSessionSetProperty(vtctx->session, + compat_keys.kVTCompressionPropertyKey_PrioritizeEncodingSpeedOverQuality, + vtctx->prio_speed ? kCFBooleanTrue : kCFBooleanFalse); + if (status) { + av_log(avctx, AV_LOG_WARNING, "PrioritizeEncodingSpeedOverQuality property is not supported on this device. Ignoring.\n"); + } + } + if ((vtctx->codec_id == AV_CODEC_ID_H264 || vtctx->codec_id == AV_CODEC_ID_HEVC) && max_rate > 0) { bytes_per_second_value = max_rate >> 3; @@ -2682,7 +2695,9 @@ static const enum AVPixelFormat prores_pix_fmts[] = { { "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 }, + OFFSET(frames_after), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, \ + { "prio_speed", "prioritize encoding speed", OFFSET(prio_speed), AV_OPT_TYPE_BOOL, \ + { .i64 = -1 }, -1, 1, VE }, \ #define OFFSET(x) offsetof(VTEncContext, x) static const AVOption h264_options[] = { |