diff options
author | Thomas Guillem <thomas@gllm.fr> | 2018-06-11 16:21:18 +0200 |
---|---|---|
committer | Aman Gupta <aman@tmm1.net> | 2018-06-18 11:48:05 -0700 |
commit | 9e11d27c25bf9bbd53fa23e892946752096f378b (patch) | |
tree | fcc93e43a5953e7b40e9e34f0caaca9f6db3ef79 /libavcodec/videotoolboxenc.c | |
parent | ce2330bdf896458131fcd00f9284c31617adcf01 (diff) | |
download | ffmpeg-9e11d27c25bf9bbd53fa23e892946752096f378b.tar.gz |
avcodec/videotoolboxenc: split initialization
Split vtenc_init() into vtenc_init() (VTEncContext initialization) and
vtenc_configure_encoder() (creates the vt session).
This commit will allow to restart the vt session while encoding.
Signed-off-by: Aman Gupta <aman@tmm1.net>
Diffstat (limited to 'libavcodec/videotoolboxenc.c')
-rw-r--r-- | libavcodec/videotoolboxenc.c | 48 |
1 files changed, 28 insertions, 20 deletions
diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c index 9f2a71b15d..1060055ba5 100644 --- a/libavcodec/videotoolboxenc.c +++ b/libavcodec/videotoolboxenc.c @@ -1262,19 +1262,16 @@ static int vtenc_create_encoder(AVCodecContext *avctx, return 0; } -static av_cold int vtenc_init(AVCodecContext *avctx) +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; - 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); @@ -1304,8 +1301,6 @@ static av_cold int vtenc_init(AVCodecContext *avctx) if (!get_vt_hevc_profile_level(avctx, &profile_level)) return AVERROR(EINVAL); } - vtctx->session = NULL; - enc_info = CFDictionaryCreateMutable( kCFAllocatorDefault, 20, @@ -1335,8 +1330,6 @@ static av_cold int vtenc_init(AVCodecContext *avctx) 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); @@ -1363,8 +1356,32 @@ static av_cold int vtenc_init(AVCodecContext *avctx) pixel_buffer_info, &vtctx->session); - if (status < 0) - goto init_cleanup; +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, @@ -1378,16 +1395,7 @@ static av_cold int vtenc_init(AVCodecContext *avctx) } 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; + return 0; } static void vtenc_get_frame_info(CMSampleBufferRef buffer, bool *is_key_frame) |