mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-19 23:06:49 +00:00
Code Issues 1 Projects Releases Wiki Activity

encoder: jpeg: Fix the sampling factor calculation for ENCODED format.

Browse source 
If the incoming raw video format is GST_VIDEO_FORMAT_ENCODED,
use native YUV420 format (which is i420) as default.
This commit is contained in:
Sreerenj Balachandran 2015-02-05 13:08:53 +02:00
parent 0f40843bb3
commit 6b73746ab6
1 changed files with 17 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
gst-libs/gst/vaapi/gstvaapiencoder_jpeg.c
View file

@ -88,9 +88,21 @@ generate_sampling_factors (GstVaapiEncoderJpeg * encoder)
vinfo = GST_VAAPI_ENCODER_VIDEO_INFO (encoder);
if (GST_VIDEO_INFO_FORMAT (vinfo) == GST_VIDEO_FORMAT_ENCODED) {
/* Use native I420 format */
encoder->n_components = 3;
for (i = 0; i < encoder->n_components; ++i) {
if (i == 0)
encoder->h_samp[i] = encoder->v_samp[i] = 2;
else
encoder->h_samp[i] = encoder->v_samp[i] = 1;
GST_DEBUG ("sampling factors: %d %d", encoder->h_samp[i],
encoder->v_samp[i]);
}
return;
}
encoder->n_components = GST_VIDEO_INFO_N_COMPONENTS (vinfo);
if (GST_VIDEO_INFO_IS_GRAY (vinfo))
encoder->n_components = 1;
encoder->h_max_samp = 0;
encoder->v_max_samp = 0;
@ -111,9 +123,10 @@ generate_sampling_factors (GstVaapiEncoderJpeg * encoder)
/* now invert */
/* maximum is invariant, as one of the components should have samp 1 */
for (i = 0; i < encoder->n_components; ++i) {
GST_DEBUG ("%d %d", encoder->h_samp[i], encoder->h_max_samp);
encoder->h_samp[i] = encoder->h_max_samp / encoder->h_samp[i];
encoder->v_samp[i] = encoder->v_max_samp / encoder->v_samp[i];
GST_DEBUG ("sampling factors: %d %d", encoder->h_samp[i],
encoder->v_samp[i]);
}
}
@ -216,7 +229,7 @@ fill_picture (GstVaapiEncoderJpeg * encoder,
pic_param->pic_flags.bits.differential = 0; /* non-Differential Encoding */
pic_param->sample_bit_depth = 8;
pic_param->num_scan = 1;
pic_param->num_components = GST_VIDEO_INFO_N_COMPONENTS (vinfo);
pic_param->num_components = encoder->n_components;
pic_param->quality = encoder->quality;
return TRUE;
}