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omxh264enc: use OMX_IndexConfigBrcmVideoIntraPeriod on pi

Browse source 
The OMX_VIDEO_CONFIG_AVCINTRAPERIOD.nPFrames setting isn't of any use on
the raspbery pi. Instead it uses a custom extension to define the I
frame period.

https://bugzilla.gnome.org/show_bug.cgi?id=783829
This commit is contained in:
Guillaume Desmottes 2017-06-28 15:06:10 +02:00 committed by Nicolas Dufresne
parent 895086e2e2
commit 424776ba5e
1 changed files with 52 additions and 0 deletions
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52
omx/gstomxh264enc.c
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@ -263,6 +263,52 @@ set_avc_intra_perdiod (GstOMXH264Enc * self)
return TRUE;
}
#ifdef USE_OMX_TARGET_RPI
static gboolean
set_brcm_video_intra_period (GstOMXH264Enc * self)
{
OMX_PARAM_U32TYPE intra_period;
OMX_ERRORTYPE err;
GST_OMX_INIT_STRUCT (&intra_period);
intra_period.nPortIndex = GST_OMX_VIDEO_ENC (self)->enc_out_port->index;
err =
gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexConfigBrcmVideoIntraPeriod, &intra_period);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"can't get OMX_IndexConfigBrcmVideoIntraPeriod %s (0x%08x)",
gst_omx_error_to_string (err), err);
return FALSE;
}
GST_DEBUG_OBJECT (self, "default OMX_IndexConfigBrcmVideoIntraPeriod: %u",
(guint) intra_period.nU32);
if (self->interval_intraframes ==
GST_OMX_H264_VIDEO_ENC_INTERVAL_OF_CODING_INTRA_FRAMES_DEFAULT)
return TRUE;
intra_period.nU32 = self->interval_intraframes;
err =
gst_omx_component_set_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexConfigBrcmVideoIntraPeriod, &intra_period);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"can't set OMX_IndexConfigBrcmVideoIntraPeriod %s (0x%08x)",
gst_omx_error_to_string (err), err);
return FALSE;
}
GST_DEBUG_OBJECT (self, "OMX_IndexConfigBrcmVideoIntraPeriod set to %u",
(guint) intra_period.nU32);
return TRUE;
}
#endif
static gboolean
gst_omx_h264_enc_set_format (GstOMXVideoEnc * enc, GstOMXPort * port,
GstVideoCodecState * state)
@ -315,6 +361,12 @@ gst_omx_h264_enc_set_format (GstOMXVideoEnc * enc, GstOMXPort * port,
GST_OMX_H264_VIDEO_ENC_INTERVAL_OF_CODING_INTRA_FRAMES_DEFAULT) {
set_avc_intra_perdiod (self);
}
#ifdef USE_OMX_TARGET_RPI
/* The Pi uses a specific OMX setting to configure the intra period */
if (self->interval_intraframes)
set_brcm_video_intra_period (self);
#endif
gst_omx_port_get_port_definition (GST_OMX_VIDEO_ENC (self)->enc_out_port,
&port_def);