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lavc/videotoolboxenc: Require hardware encoding

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Software encoding can be allowed by setting allow_sw to 1.

Signed-off-by: Rick Kern <kernrj@gmail.com>
This commit is contained in:
Rick Kern 2016-04-27 10:53:06 -04:00 committed by wm4
parent 0d4bf3074d
commit fbe0cf8ca7
1 changed files with 17 additions and 21 deletions
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38
libavcodec/videotoolboxenc.c
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@ -70,6 +70,8 @@ typedef struct VTEncContext {
int64_t profile;
int64_t level;
int64_t allow_sw;
bool flushing;
bool has_b_frames;
bool warned_color_range;
@ -617,8 +619,11 @@ static av_cold int vtenc_init(AVCodecContext *avctx)
if (!enc_info) return AVERROR(ENOMEM);
#if !TARGET_OS_IPHONE
CFDictionarySetValue(enc_info, kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder, kCFBooleanTrue);
CFDictionarySetValue(enc_info, kVTVideoEncoderSpecification_EnableHardwareAcceleratedVideoEncoder, kCFBooleanTrue);
if (!vtctx->allow_sw) {
CFDictionarySetValue(enc_info, kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder, kCFBooleanTrue);
} else {
CFDictionarySetValue(enc_info, kVTVideoEncoderSpecification_EnableHardwareAcceleratedVideoEncoder, kCFBooleanTrue);
}
#endif
if (avctx->pix_fmt != AV_PIX_FMT_VIDEOTOOLBOX) {
@ -644,30 +649,18 @@ static av_cold int vtenc_init(AVCodecContext *avctx)
&vtctx->session
);
#if !TARGET_OS_IPHONE
if (status != 0 || !vtctx->session) {
CFDictionaryRemoveValue(enc_info, kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder);
status = VTCompressionSessionCreate(
kCFAllocatorDefault,
avctx->width,
avctx->height,
codec_type,
enc_info,
NULL,
kCFAllocatorDefault,
vtenc_output_callback,
avctx,
&vtctx->session
);
}
#endif
if (pixel_buffer_info) CFRelease(pixel_buffer_info);
CFRelease(enc_info);
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;
}
@ -1464,6 +1457,9 @@ static const AVOption options[] = {
{ "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" },
{ "allow_sw", "Allow software encoding", OFFSET(allow_sw), AV_OPT_TYPE_BOOL,
{ .i64 = 0 }, 0, 1, VE },
{ NULL },
};