diff options
| author | Gwenole Beauchesne <gwenole.beauchesne@intel.com> | 2014-01-06 15:10:36 +0100 |
|---|---|---|
| committer | Gwenole Beauchesne <gwenole.beauchesne@intel.com> | 2014-01-13 17:31:54 +0100 |
| commit | a24c52e4d0b3d0c168b30939aae406879c6c6a94 (patch) | |
| tree | 40fcd88481d33409390d4a6846a164b576e2d569 /gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.c | |
| parent | 076d75aeb89b2b7cc09a2297f8fa6ebecab6cf68 (diff) | |
| download | gst-vaapi-a24c52e4d0b3d0c168b30939aae406879c6c6a94.tar.gz | |
encoder: add rate control API.
Add gst_vaapi_encoder_set_rate_control() interface to request a new
rate control mode for encoding. Changing the rate control mode is
only valid prior to encoding the very first frame. Afterwards, an
error ("operation-failed") is issued.
https://bugzilla.gnome.org/show_bug.cgi?id=719529
Diffstat (limited to 'gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.c')
| -rw-r--r-- | gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.c b/gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.c index c4b6b201..3c1c34b6 100644 --- a/gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.c +++ b/gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.c @@ -37,6 +37,14 @@ #define DEBUG 1 #include "gstvaapidebug.h" +/* Define default rate control mode ("constant-qp") */ +#define DEFAULT_RATECONTROL GST_VAAPI_RATECONTROL_CQP + +/* Supported set of VA rate controls, within this implementation */ +#define SUPPORTED_RATECONTROLS \ + (GST_VAAPI_RATECONTROL_MASK (NONE) | \ + GST_VAAPI_RATECONTROL_MASK (CQP) | \ + GST_VAAPI_RATECONTROL_MASK (CBR)) static gboolean gst_bit_writer_write_sps (GstBitWriter * bitwriter, @@ -720,6 +728,8 @@ gst_vaapi_encoder_mpeg2_init (GstVaapiEncoder * base) { GstVaapiEncoderMpeg2 *encoder = GST_VAAPI_ENCODER_MPEG2 (base); + base->rate_control = DEFAULT_RATECONTROL; + /* re-ordering */ g_queue_init (&encoder->b_frames); encoder->dump_frames = FALSE; @@ -778,6 +788,8 @@ gst_vaapi_encoder_mpeg2_finalize (GstVaapiEncoder * base) g_queue_clear (&encoder->b_frames); } +GST_VAAPI_ENCODER_DEFINE_CLASS_DATA (MPEG2); + static inline const GstVaapiEncoderClass * gst_vaapi_encoder_mpeg2_class (void) { |