Esempi in C++ (Cpp) per GstCMApi::CMSampleBufferCreate

Esempio n. 1

File: vtdec.c Progetto: lubing521/gst-embedded-builder

static CMSampleBufferRef
gst_vtdec_sample_buffer_from (GstVTDec * self, GstBuffer * buf)
{
  GstCMApi *cm = self->ctx->cm;
  OSStatus status;
  CMBlockBufferRef bbuf = NULL;
  CMSampleBufferRef sbuf = NULL;
  GstMapInfo map;

  g_assert (self->fmt_desc != NULL);

  gst_buffer_map (buf, &map, GST_MAP_READ);

  status = cm->CMBlockBufferCreateWithMemoryBlock (NULL,
      map.data, (gint64) map.size, kCFAllocatorNull, NULL, 0, (gint64) map.size,
      FALSE, &bbuf);

  gst_buffer_unmap (buf, &map);

  if (status != noErr)
    goto error;

  status = cm->CMSampleBufferCreate (NULL, bbuf, TRUE, 0, 0, self->fmt_desc,
      1, 0, NULL, 0, NULL, &sbuf);
  if (status != noErr)
    goto error;

beach:
  cm->FigBlockBufferRelease (bbuf);
  return sbuf;

error:
  GST_ERROR_OBJECT (self, "err %d", status);
  goto beach;
}