[vlc-devel] [RFC PATCH 2/2] chromecast: use vt encoder from avcodec

[Thomas Guillem]

WIP: chromecast devices don't seem to like video encoded by videotoolbox:
decoding is very slow but the bitrate/fps/res are more than correct for
streaming. Still investigating on it.
---
 modules/stream_out/chromecast/cast.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/modules/stream_out/chromecast/cast.cpp b/modules/stream_out/chromecast/cast.cpp
index 92d286c7d7..1d93e5f795 100644
--- a/modules/stream_out/chromecast/cast.cpp
+++ b/modules/stream_out/chromecast/cast.cpp
@@ -969,12 +969,23 @@ static std::string GetVencX264Option( sout_stream_t * /* p_stream */,
     return ssout.str();
 }
 
+#ifdef __APPLE__
+static std::string GetVencAvcodecVTOption( sout_stream_t * /* p_stream */,
+                                           const video_format_t * /* p_vid */,
+                                           int /* i_quality */ )
+{
+    return "venc=avcodec{codec=h264_videotoolbox,codec-strict,options{realtime=1,coder=cabac,profile=high}}";
+}
+#endif
 
 static struct
 {
     vlc_fourcc_t fcc;
     std::string (*get_opt)( sout_stream_t *, const video_format_t *, int);
 } venc_opt_list[] = {
+#ifdef __APPLE__
+    { .fcc = VLC_CODEC_H264, .get_opt = GetVencAvcodecVTOption },
+#endif
     { .fcc = VLC_CODEC_H264, .get_opt = GetVencX264Option },
     { .fcc = VLC_CODEC_VP8,  .get_opt = GetVencVPXOption },
     { .fcc = VLC_CODEC_H264, .get_opt = NULL },
-- 
2.11.0