static SchroFrame *
gst_schro_wrap_frame (GstSchroDec *schro_dec, GstBuffer *buffer)
{
SchroFrame *frame;
switch (schro_dec->fourcc) {
case GST_MAKE_FOURCC('I','4','2','0'):
frame = schro_frame_new_from_data_I420 (GST_BUFFER_DATA (buffer),
schro_dec->width, schro_dec->height);
break;
case GST_MAKE_FOURCC('Y','U','Y','2'):
frame = schro_frame_new_from_data_YUY2 (GST_BUFFER_DATA (buffer),
schro_dec->width, schro_dec->height);
break;
case GST_MAKE_FOURCC('A','Y','U','V'):
frame = schro_frame_new_from_data_AYUV (GST_BUFFER_DATA (buffer),
schro_dec->width, schro_dec->height);
break;
default:
g_assert_not_reached();
break;
}
schro_frame_set_free_callback (frame, gst_schro_frame_free, buffer);
return frame;
}
static GstFlowReturn
gst_schrodownsample_transform (GstBaseTransform * base_transform,
GstBuffer *inbuf, GstBuffer *outbuf)
{
GstSchrodownsample *compress;
SchroFrame *outframe;
int width, height;
uint32_t format;
SchroFrame *stack[10];
int n = 0;
g_return_val_if_fail (GST_IS_SCHRODOWNSAMPLE (base_transform), GST_FLOW_ERROR);
compress = GST_SCHRODOWNSAMPLE (base_transform);
gst_structure_get_fourcc (gst_caps_get_structure(inbuf->caps, 0),
"format", &format);
gst_structure_get_int (gst_caps_get_structure(inbuf->caps, 0),
"width", &width);
gst_structure_get_int (gst_caps_get_structure(inbuf->caps, 0),
"height", &height);
switch (format) {
case GST_MAKE_FOURCC('I','4','2','0'):
stack[n] = schro_frame_new_from_data_I420 (GST_BUFFER_DATA(inbuf),
width, height);
n++;
outframe = schro_frame_new_from_data_I420 (GST_BUFFER_DATA(outbuf),
width/2, height/2);
break;
case GST_MAKE_FOURCC('Y','V','1','2'):
stack[n] = schro_frame_new_from_data_YV12 (GST_BUFFER_DATA(inbuf),
width, height);
n++;
outframe = schro_frame_new_from_data_YV12 (GST_BUFFER_DATA(outbuf),
width/2, height/2);
break;
case GST_MAKE_FOURCC('Y','U','Y','2'):
stack[n] = schro_frame_new_from_data_YUY2 (GST_BUFFER_DATA(inbuf),
width, height);
n++;
stack[n] = schro_virt_frame_new_unpack (stack[n-1]);
n++;
outframe = schro_frame_new_from_data_YUY2 (GST_BUFFER_DATA(outbuf),
width/2, height/2);
break;
case GST_MAKE_FOURCC('U','Y','V','Y'):
stack[n] = schro_frame_new_from_data_UYVY (GST_BUFFER_DATA(inbuf),
width, height);
n++;
stack[n] = schro_virt_frame_new_unpack (stack[n-1]);
n++;
outframe = schro_frame_new_from_data_UYVY (GST_BUFFER_DATA(outbuf),
width/2, height/2);
break;
case GST_MAKE_FOURCC('A','Y','U','V'):
stack[n] = schro_frame_new_from_data_AYUV (GST_BUFFER_DATA(inbuf),
width, height);
n++;
stack[n] = schro_virt_frame_new_unpack (stack[n-1]);
n++;
outframe = schro_frame_new_from_data_AYUV (GST_BUFFER_DATA(outbuf),
width/2, height/2);
break;
default:
g_assert_not_reached();
}
stack[n] = schro_virt_frame_new_horiz_downsample (stack[n-1]);
n++;
stack[n] = schro_virt_frame_new_vert_downsample (stack[n-1]);
n++;
switch (format) {
case GST_MAKE_FOURCC('Y','U','Y','2'):
stack[n] = schro_virt_frame_new_pack_YUY2 (stack[n-1]);
n++;
break;
case GST_MAKE_FOURCC('U','Y','V','Y'):
stack[n] = schro_virt_frame_new_pack_UYVY (stack[n-1]);
n++;
break;
case GST_MAKE_FOURCC('A','Y','U','V'):
stack[n] = schro_virt_frame_new_pack_AYUV (stack[n-1]);
n++;
break;
default:
break;
}
schro_virt_frame_render (stack[n-1], outframe);
while(n>0) {
schro_frame_unref (stack[n-1]);
n--;
}
return GST_FLOW_OK;
}
SchroFrame *
gst_schro_buffer_wrap (GstBuffer * buf, GstVideoFormat format, int width,
int height)
{
SchroFrame *frame;
switch (format) {
case GST_VIDEO_FORMAT_I420:
frame =
schro_frame_new_from_data_I420 (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_YV12:
frame =
schro_frame_new_from_data_YV12 (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_YUY2:
frame =
schro_frame_new_from_data_YUY2 (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_UYVY:
frame =
schro_frame_new_from_data_UYVY (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_AYUV:
frame =
schro_frame_new_from_data_AYUV (GST_BUFFER_DATA (buf), width, height);
break;
#if SCHRO_CHECK_VERSION(1,0,12)
case GST_VIDEO_FORMAT_ARGB:
frame =
schro_frame_new_from_data_ARGB (GST_BUFFER_DATA (buf), width, height);
break;
#endif
#if SCHRO_CHECK_VERSION(1,0,11)
case GST_VIDEO_FORMAT_Y42B:
frame =
schro_frame_new_from_data_Y42B (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_Y444:
frame =
schro_frame_new_from_data_Y444 (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_v210:
frame =
schro_frame_new_from_data_v210 (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_v216:
frame =
schro_frame_new_from_data_v216 (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_AYUV64:
frame =
schro_frame_new_from_data_AY64 (GST_BUFFER_DATA (buf), width, height);
break;
#endif
default:
g_assert_not_reached ();
return NULL;
}
schro_frame_set_free_callback (frame, gst_schro_frame_free, buf);
return frame;
}
