Exemplo n.º 1
0
GstEGLImage *
gst_egl_image_from_dmabuf (GstGLContext * context,
    gint dmabuf, GstVideoInfo * in_info, gint plane, gsize offset)
{
  GstGLContextEGL *ctx_egl = GST_GL_CONTEXT_EGL (context);
  gint fourcc;
  gint atti = 0;
  EGLint attribs[13];
  EGLImageKHR img = EGL_NO_IMAGE_KHR;
  GstVideoGLTextureType type;

  fourcc = _drm_fourcc_from_info (in_info, plane);
  type =
      gst_gl_texture_type_from_format (context, GST_VIDEO_INFO_FORMAT (in_info),
      plane);

  GST_DEBUG ("fourcc %.4s (%d) plane %d (%dx%d)",
      (char *) &fourcc, fourcc, plane,
      GST_VIDEO_INFO_COMP_WIDTH (in_info, plane),
      GST_VIDEO_INFO_COMP_HEIGHT (in_info, plane));

  attribs[atti++] = EGL_WIDTH;
  attribs[atti++] = GST_VIDEO_INFO_COMP_WIDTH (in_info, plane);
  attribs[atti++] = EGL_HEIGHT;
  attribs[atti++] = GST_VIDEO_INFO_COMP_HEIGHT (in_info, plane);

  attribs[atti++] = EGL_LINUX_DRM_FOURCC_EXT;
  attribs[atti++] = fourcc;

  attribs[atti++] = EGL_DMA_BUF_PLANE0_FD_EXT;
  attribs[atti++] = dmabuf;

  attribs[atti++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
  attribs[atti++] = offset;
  attribs[atti++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
  attribs[atti++] = GST_VIDEO_INFO_PLANE_STRIDE (in_info, plane);

  attribs[atti] = EGL_NONE;

  for (int i = 0; i < atti; i++)
    GST_LOG ("attr %i: %08X", i, attribs[i]);

  g_assert (atti == 12);

  img = ctx_egl->eglCreateImage (ctx_egl->egl_display, EGL_NO_CONTEXT,
      EGL_LINUX_DMA_BUF_EXT, NULL, attribs);

  if (!img) {
    GST_WARNING ("eglCreateImage failed: %s",
        gst_gl_context_egl_get_error_string (eglGetError ()));
    return NULL;
  }

  return gst_egl_image_new_wrapped (context, img, type,
      GST_VIDEO_GL_TEXTURE_ORIENTATION_X_NORMAL_Y_NORMAL,
      (GstEGLImageDestroyNotify) _destroy_egl_image, NULL);
}
GstMemory *
gst_egl_image_memory_from_dmabuf (GstGLContext * context,
    gint dmabuf, GstVideoInfo * in_info, gint plane, gsize offset)
{
  GstGLContextEGL *ctx_egl = GST_GL_CONTEXT_EGL (context);
  GstEGLImageAllocator *allocator;
  gint fourcc;
  gint atti = 0;
  EGLint attribs[13];
  EGLImageKHR img = EGL_NO_IMAGE_KHR;

  allocator = gst_egl_image_allocator_obtain ();
  fourcc = _drm_fourcc_from_info (in_info, plane);

  GST_DEBUG ("fourcc %.4s (%d) plane %d (%dx%d)",
      (char *) &fourcc, fourcc, plane,
      GST_VIDEO_INFO_COMP_WIDTH (in_info, plane),
      GST_VIDEO_INFO_COMP_HEIGHT (in_info, plane));

  attribs[atti++] = EGL_WIDTH;
  attribs[atti++] = GST_VIDEO_INFO_COMP_WIDTH (in_info, plane);
  attribs[atti++] = EGL_HEIGHT;
  attribs[atti++] = GST_VIDEO_INFO_COMP_HEIGHT (in_info, plane);

  attribs[atti++] = EGL_LINUX_DRM_FOURCC_EXT;
  attribs[atti++] = fourcc;

  attribs[atti++] = EGL_DMA_BUF_PLANE0_FD_EXT;
  attribs[atti++] = dmabuf;

  attribs[atti++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
  attribs[atti++] = offset;
  attribs[atti++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
  attribs[atti++] = GST_VIDEO_INFO_PLANE_STRIDE (in_info, plane);

  attribs[atti] = EGL_NONE;

  for (int i = 0; i < atti; i++)
    GST_LOG ("attr %i: %08X", i, attribs[i]);

  g_assert (atti == 12);

  img = ctx_egl->eglCreateImage (ctx_egl->egl_display, EGL_NO_CONTEXT,
      EGL_LINUX_DMA_BUF_EXT, NULL, attribs);

  if (!img) {
    GST_WARNING_OBJECT (allocator, "eglCreateImage failed: %s",
        gst_gl_context_egl_get_error_string ());
    return NULL;
  }

  return gst_egl_image_allocator_wrap (allocator, ctx_egl, img, 0, 0,
      in_info->size, NULL, NULL);
}
Exemplo n.º 3
0
static void
theora_enc_init_buffer (th_ycbcr_buffer buf, GstVideoFrame * frame)
{
    GstVideoInfo vinfo;
    guint i;

    /* According to Theora developer Timothy Terriberry, the Theora
     * encoder will not use memory outside of pic_width/height, even when
     * the frame size is bigger. The values outside this region will be encoded
     * to default values.
     * Due to this, setting the frame's width/height as the buffer width/height
     * is perfectly ok, even though it does not strictly look ok.
     */

    gst_video_info_init (&vinfo);
    gst_video_info_set_format (&vinfo, GST_VIDEO_FRAME_FORMAT (frame),
                               GST_ROUND_UP_16 (GST_VIDEO_FRAME_WIDTH (frame)),
                               GST_ROUND_UP_16 (GST_VIDEO_FRAME_HEIGHT (frame)));

    for (i = 0; i < 3; i++) {
        buf[i].width = GST_VIDEO_INFO_COMP_WIDTH (&vinfo, i);
        buf[i].height = GST_VIDEO_INFO_COMP_HEIGHT (&vinfo, i);
        buf[i].data = GST_VIDEO_FRAME_COMP_DATA (frame, i);
        buf[i].stride = GST_VIDEO_FRAME_COMP_STRIDE (frame, i);
    }
}
Exemplo n.º 4
0
static void
_gen_texture_full (GstGLContext * context, GenTextureFull * data)
{
  const GstGLFuncs *gl = context->gl_vtable;
  GstVideoGLTextureType tex_type;
  GstVideoFormat v_format;
  GLint glinternalformat = 0;
  GLenum glformat = 0;
  GLenum gltype = 0;

  gl->GenTextures (1, &data->result);
  gl->BindTexture (GL_TEXTURE_2D, data->result);

  v_format = GST_VIDEO_INFO_FORMAT (data->info);
  tex_type = gst_gl_texture_type_from_format (context, v_format, data->comp);
  glformat = gst_gl_format_from_gl_texture_type (tex_type);
  gltype = GL_UNSIGNED_BYTE;
  if (v_format == GST_VIDEO_FORMAT_RGB16)
    gltype = GL_UNSIGNED_SHORT_5_6_5;
  glinternalformat = gst_gl_sized_gl_format_from_gl_format_type (context,
      glformat, gltype);

  gl->TexImage2D (GL_TEXTURE_2D, 0, glinternalformat,
      GST_VIDEO_INFO_COMP_WIDTH (data->info, data->comp),
      GST_VIDEO_INFO_COMP_HEIGHT (data->info, data->comp), 0, glformat, gltype,
      NULL);

  gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
  gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
  gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
  gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
Exemplo n.º 5
0
static CoglBool
cogl_gst_yv12_upload (CoglGstVideoSink *sink,
                      GstBuffer *buffer)
{
  CoglGstVideoSinkPrivate *priv = sink->priv;
  GstVideoFrame frame;
  CoglPixelFormat format = COGL_PIXEL_FORMAT_A_8;

  if (!gst_video_frame_map (&frame, &priv->info, buffer, GST_MAP_READ))
    goto map_fail;

  clear_frame_textures (sink);

  priv->frame[0] =
    video_texture_new_from_data (priv->ctx,
                                 GST_VIDEO_INFO_COMP_WIDTH (&priv->info, 0),
                                 GST_VIDEO_INFO_COMP_HEIGHT (&priv->info, 0),
                                 format, format,
                                 priv->info.stride[0], frame.data[0], NULL);

  priv->frame[1] =
    video_texture_new_from_data (priv->ctx,
                                 GST_VIDEO_INFO_COMP_WIDTH (&priv->info, 1),
                                 GST_VIDEO_INFO_COMP_HEIGHT (&priv->info, 1),
                                 format, format,
                                 priv->info.stride[1], frame.data[1], NULL);

  priv->frame[2] =
    video_texture_new_from_data (priv->ctx,
                                 GST_VIDEO_INFO_COMP_WIDTH (&priv->info, 2),
                                 GST_VIDEO_INFO_COMP_HEIGHT (&priv->info, 2),
                                 format, format,
                                 priv->info.stride[2], frame.data[2], NULL);

  gst_video_frame_unmap (&frame);

  return TRUE;

map_fail:
  {
    GST_ERROR_OBJECT (sink, "Could not map incoming video frame");
    return FALSE;
  }
}
Exemplo n.º 6
0
static inline guint
_get_plane_width (GstVideoInfo * info, guint plane)
{
  if (GST_VIDEO_INFO_IS_YUV (info))
    /* For now component width and plane width are the same and the
     * plane-component mapping matches
     */
    return GST_VIDEO_INFO_COMP_WIDTH (info, plane);
  else                          /* RGB, GRAY */
    return GST_VIDEO_INFO_WIDTH (info);
}
/* based on upstream gst-plugins-good jpegencoder */
static void
generate_sampling_factors (GstVaapiEncoderJpeg * encoder)
{
  GstVideoInfo *vinfo;
  gint i;

  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);

  encoder->h_max_samp = 0;
  encoder->v_max_samp = 0;
  for (i = 0; i < encoder->n_components; ++i) {
    encoder->cwidth[i] = GST_VIDEO_INFO_COMP_WIDTH (vinfo, i);
    encoder->cheight[i] = GST_VIDEO_INFO_COMP_HEIGHT (vinfo, i);
    encoder->h_samp[i] =
        GST_ROUND_UP_4 (GST_VIDEO_INFO_WIDTH (vinfo)) / encoder->cwidth[i];
    encoder->h_max_samp = MAX (encoder->h_max_samp, encoder->h_samp[i]);
    encoder->v_samp[i] =
        GST_ROUND_UP_4 (GST_VIDEO_INFO_HEIGHT (vinfo)) / encoder->cheight[i];
    encoder->v_max_samp = MAX (encoder->v_max_samp, encoder->v_samp[i]);
  }
  /* samp should only be 1, 2 or 4 */
  g_assert (encoder->h_max_samp <= 4);
  g_assert (encoder->v_max_samp <= 4);

  /* now invert */
  /* maximum is invariant, as one of the components should have samp 1 */
  for (i = 0; i < encoder->n_components; ++i) {
    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]);
  }
}
gboolean
gst_egl_image_memory_setup_buffer (GstGLContext * ctx, GstVideoInfo * info,
    GstBuffer * buffer)
{
  gint i = 0;
  gint stride[3];
  gsize offset[3];
  GstMemory *mem[3] = { NULL, NULL, NULL };
  guint n_mem = 0;
  GstMemoryFlags flags = 0;
  EGLImageKHR image = EGL_NO_IMAGE_KHR;
  EGLClientBuffer client_buffer_tex[3] = { 0, 0, 0 };
  GstVideoGLTextureType texture_types[] = { 0, 0, 0, 0 };
  GstEGLImageAllocator *allocator = gst_egl_image_allocator_obtain ();
  GstGLContextEGL *context = GST_GL_CONTEXT_EGL (ctx);

  g_return_val_if_fail (ctx, FALSE);
  g_return_val_if_fail (info, FALSE);
  g_return_val_if_fail (buffer, FALSE);
  g_return_val_if_fail (gst_gl_context_check_feature (ctx,
          "EGL_KHR_image_base"), FALSE);

  memset (stride, 0, sizeof (stride));
  memset (offset, 0, sizeof (offset));

  flags |= GST_MEMORY_FLAG_NOT_MAPPABLE;
  flags |= GST_MEMORY_FLAG_NO_SHARE;

  switch (GST_VIDEO_INFO_FORMAT (info)) {
    case GST_VIDEO_FORMAT_RGB:
    case GST_VIDEO_FORMAT_BGR:
    case GST_VIDEO_FORMAT_RGB16:
    case GST_VIDEO_FORMAT_RGBA:
    case GST_VIDEO_FORMAT_BGRA:
    case GST_VIDEO_FORMAT_ARGB:
    case GST_VIDEO_FORMAT_ABGR:
    case GST_VIDEO_FORMAT_RGBx:
    case GST_VIDEO_FORMAT_BGRx:
    case GST_VIDEO_FORMAT_xRGB:
    case GST_VIDEO_FORMAT_xBGR:
    case GST_VIDEO_FORMAT_AYUV:
    {
      gsize size = 0;

      switch (GST_VIDEO_INFO_FORMAT (info)) {
        case GST_VIDEO_FORMAT_RGB:
        case GST_VIDEO_FORMAT_BGR:
        case GST_VIDEO_FORMAT_RGB16:
        {
          texture_types[0] = GST_VIDEO_GL_TEXTURE_TYPE_RGB;
          break;
        }
        case GST_VIDEO_FORMAT_RGBA:
        case GST_VIDEO_FORMAT_BGRA:
        case GST_VIDEO_FORMAT_ARGB:
        case GST_VIDEO_FORMAT_ABGR:
        case GST_VIDEO_FORMAT_RGBx:
        case GST_VIDEO_FORMAT_BGRx:
        case GST_VIDEO_FORMAT_xRGB:
        case GST_VIDEO_FORMAT_xBGR:
        case GST_VIDEO_FORMAT_AYUV:
        {
          texture_types[0] = GST_VIDEO_GL_TEXTURE_TYPE_RGBA;
          break;
        }
        default:
          g_assert_not_reached ();
          break;
      }
#if 0
      mem[0] =
          gst_egl_image_allocator_alloc (allocator, context,
          texture_types[0], GST_VIDEO_INFO_WIDTH (info),
          GST_VIDEO_INFO_HEIGHT (info), size);
      if (mem[0]) {
        stride[0] = size / GST_VIDEO_INFO_HEIGHT (info);
        n_mem = 1;
        GST_MINI_OBJECT_FLAG_SET (mem[0], GST_MEMORY_FLAG_NO_SHARE);
      } else
#endif
      {
        gst_gl_generate_texture_full (GST_GL_CONTEXT (context), info, 0, stride,
            offset, &size, (GLuint *) & client_buffer_tex[0]);

        image = context->eglCreateImage (context->egl_display,
            context->egl_context, EGL_GL_TEXTURE_2D_KHR, client_buffer_tex[0],
            NULL);
        if (eglGetError () != EGL_SUCCESS)
          goto mem_error;

        mem[0] =
            gst_egl_image_allocator_wrap (allocator, context,
            image, texture_types[0], flags, size, client_buffer_tex[0],
            (GstEGLImageDestroyNotify) gst_egl_image_memory_del_gl_texture);
        n_mem = 1;
      }
      break;
    }

    case GST_VIDEO_FORMAT_NV12:
    case GST_VIDEO_FORMAT_NV21:
    {
      gsize size[2];

      texture_types[0] = GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE;
      texture_types[1] = GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE_ALPHA;
#if 0
      mem[0] =
          gst_egl_image_allocator_alloc (allocator, context,
          texture_types[0], GST_VIDEO_INFO_COMP_WIDTH (info,
              0), GST_VIDEO_INFO_COMP_HEIGHT (info, 0), size[0]);
      mem[1] =
          gst_egl_image_allocator_alloc (allocator, context,
          texture_types[1],
          GST_VIDEO_INFO_COMP_WIDTH (info, 1),
          GST_VIDEO_INFO_COMP_HEIGHT (info, 1), size[1]);

      if (mem[0] && mem[1]) {
        stride[0] = size[0] / GST_VIDEO_INFO_HEIGHT (info);
        offset[1] = size[0];
        stride[1] = size[1] / GST_VIDEO_INFO_HEIGHT (info);
        n_mem = 2;
        GST_MINI_OBJECT_FLAG_SET (mem[0], GST_MEMORY_FLAG_NO_SHARE);
        GST_MINI_OBJECT_FLAG_SET (mem[1], GST_MEMORY_FLAG_NO_SHARE);
      } else {
        if (mem[0])
          gst_memory_unref (mem[0]);
        if (mem[1])
          gst_memory_unref (mem[1]);
        mem[0] = mem[1] = NULL;
      }
#endif
      {
        for (i = 0; i < 2; i++) {
          gst_gl_generate_texture_full (GST_GL_CONTEXT (context), info, 0,
              stride, offset, size, (GLuint *) & client_buffer_tex[i]);

          image = context->eglCreateImage (context->egl_display,
              context->egl_context, EGL_GL_TEXTURE_2D_KHR, client_buffer_tex[i],
              NULL);
          if (eglGetError () != EGL_SUCCESS)
            goto mem_error;

          mem[i] =
              gst_egl_image_allocator_wrap (allocator, context,
              image, texture_types[i], flags, size[i], client_buffer_tex[i],
              (GstEGLImageDestroyNotify) gst_egl_image_memory_del_gl_texture);
        }

        n_mem = 2;
      }
      break;
    }
    case GST_VIDEO_FORMAT_I420:
    case GST_VIDEO_FORMAT_YV12:
    case GST_VIDEO_FORMAT_Y444:
    case GST_VIDEO_FORMAT_Y42B:
    case GST_VIDEO_FORMAT_Y41B:
    {
      gsize size[3];

      texture_types[0] = GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE;
      texture_types[1] = GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE;
      texture_types[2] = GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE;
#if 0
      mem[0] =
          gst_egl_image_allocator_alloc (allocator, context,
          texture_types[0], GST_VIDEO_INFO_COMP_WIDTH (info,
              0), GST_VIDEO_INFO_COMP_HEIGHT (info, 0), size[0]);
      mem[1] =
          gst_egl_image_allocator_alloc (allocator, context,
          texture_types[1], GST_VIDEO_INFO_COMP_WIDTH (info,
              1), GST_VIDEO_INFO_COMP_HEIGHT (info, 1), size[1]);
      mem[2] =
          gst_egl_image_allocator_alloc (allocator, context,
          texture_types[2], GST_VIDEO_INFO_COMP_WIDTH (info,
              2), GST_VIDEO_INFO_COMP_HEIGHT (info, 2), size[2]);

      if (mem[0] && mem[1] && mem[2]) {
        stride[0] = size[0] / GST_VIDEO_INFO_HEIGHT (info);
        offset[1] = size[0];
        stride[1] = size[1] / GST_VIDEO_INFO_HEIGHT (info);
        offset[2] = size[1];
        stride[2] = size[2] / GST_VIDEO_INFO_HEIGHT (info);
        n_mem = 3;
        GST_MINI_OBJECT_FLAG_SET (mem[0], GST_MEMORY_FLAG_NO_SHARE);
        GST_MINI_OBJECT_FLAG_SET (mem[1], GST_MEMORY_FLAG_NO_SHARE);
        GST_MINI_OBJECT_FLAG_SET (mem[2], GST_MEMORY_FLAG_NO_SHARE);
      } else {
        if (mem[0])
          gst_memory_unref (mem[0]);
        if (mem[1])
          gst_memory_unref (mem[1]);
        if (mem[2])
          gst_memory_unref (mem[2]);
        mem[0] = mem[1] = mem[2] = NULL;
      }
#endif
      {
        for (i = 0; i < 3; i++) {
          gst_gl_generate_texture_full (GST_GL_CONTEXT (context), info, i,
              stride, offset, size, (GLuint *) & client_buffer_tex[i]);

          image = context->eglCreateImage (context->egl_display,
              context->egl_context, EGL_GL_TEXTURE_2D_KHR, client_buffer_tex[i],
              NULL);
          if (eglGetError () != EGL_SUCCESS)
            goto mem_error;

          mem[i] =
              gst_egl_image_allocator_wrap (allocator, context,
              image, texture_types[i], flags, size[i], client_buffer_tex[i],
              (GstEGLImageDestroyNotify) gst_egl_image_memory_del_gl_texture);
        }

        n_mem = 3;
      }
      break;
    }
    default:
      g_assert_not_reached ();
      break;
  }

  gst_buffer_add_video_meta_full (buffer, 0, GST_VIDEO_INFO_FORMAT (info),
      GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info),
      GST_VIDEO_INFO_N_PLANES (info), offset, stride);

  gst_buffer_add_video_gl_texture_upload_meta (buffer,
      gst_egl_image_memory_get_orientation (mem[0]), n_mem, texture_types,
      gst_eglimage_to_gl_texture_upload_meta, NULL, NULL, NULL);

  for (i = 0; i < n_mem; i++)
    gst_buffer_append_memory (buffer, mem[i]);

  return TRUE;

mem_error:
  {
    GST_CAT_ERROR (GST_CAT_DEFAULT, "Failed to create EGLImage");

    for (i = 0; i < 3; i++) {
      if (client_buffer_tex[i])
        gst_gl_context_del_texture (ctx, (GLuint *) & client_buffer_tex[i]);
      if (mem[i])
        gst_memory_unref (mem[i]);
    }

    return FALSE;
  }
}
Exemplo n.º 9
0
void
gst_gl_generate_texture_full (GstGLContext * context, const GstVideoInfo * info,
    const guint comp, gint stride[], gsize offset[], gsize size[],
    GLuint * pTexture)
{
  GenTextureFull data = { info, comp, 0 };

  switch (GST_VIDEO_INFO_FORMAT (info)) {
    case GST_VIDEO_FORMAT_RGB:
    case GST_VIDEO_FORMAT_BGR:
    {
      stride[0] = GST_ROUND_UP_4 (GST_VIDEO_INFO_WIDTH (info) * 3);
      offset[0] = 0;
      size[0] = stride[0] * GST_VIDEO_INFO_HEIGHT (info);
      break;
    }
    case GST_VIDEO_FORMAT_RGB16:
    {
      stride[0] = GST_ROUND_UP_4 (GST_VIDEO_INFO_WIDTH (info) * 2);
      offset[0] = 0;
      size[0] = stride[0] * GST_VIDEO_INFO_HEIGHT (info);
      break;
    }
    case GST_VIDEO_FORMAT_RGBA:
    case GST_VIDEO_FORMAT_BGRA:
    case GST_VIDEO_FORMAT_ARGB:
    case GST_VIDEO_FORMAT_ABGR:
    case GST_VIDEO_FORMAT_RGBx:
    case GST_VIDEO_FORMAT_BGRx:
    case GST_VIDEO_FORMAT_xRGB:
    case GST_VIDEO_FORMAT_xBGR:
    case GST_VIDEO_FORMAT_AYUV:
    {
      stride[0] = GST_ROUND_UP_4 (GST_VIDEO_INFO_WIDTH (info) * 4);
      offset[0] = 0;
      size[0] = stride[0] * GST_VIDEO_INFO_HEIGHT (info);
      break;
    }
    case GST_VIDEO_FORMAT_NV12:
    case GST_VIDEO_FORMAT_NV21:
    {
      size[comp] = stride[comp] * GST_VIDEO_INFO_COMP_HEIGHT (info, comp);
      if (comp == 0) {
        stride[0] = GST_ROUND_UP_4 (GST_VIDEO_INFO_COMP_WIDTH (info, 1));
        offset[0] = 0;
      } else {
        stride[1] = GST_ROUND_UP_4 (GST_VIDEO_INFO_COMP_WIDTH (info, 1) * 2);
        offset[1] = size[0];
      }
      break;
    }
    case GST_VIDEO_FORMAT_I420:
    case GST_VIDEO_FORMAT_YV12:
    case GST_VIDEO_FORMAT_Y444:
    case GST_VIDEO_FORMAT_Y42B:
    case GST_VIDEO_FORMAT_Y41B:
    {
      stride[comp] = GST_ROUND_UP_4 (GST_VIDEO_INFO_COMP_WIDTH (info, comp));;
      size[comp] = stride[comp] * GST_VIDEO_INFO_COMP_HEIGHT (info, comp);
      if (comp == 0)
        offset[0] = 0;
      else if (comp == 1)
        offset[1] = size[0];
      else
        offset[2] = offset[1] + size[1];
      break;
    }
    default:
      GST_WARNING ("unsupported %s",
          gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (info)));
      break;
  }

  gst_gl_context_thread_add (context,
      (GstGLContextThreadFunc) _gen_texture_full, &data);

  *pTexture = data.result;
}
Exemplo n.º 10
0
static void
_gen_texture_full (GstGLContext * context, GenTextureFull * data)
{
  const GstGLFuncs *gl = context->gl_vtable;
  GLint glinternalformat = 0;
  GLenum glformat = 0;
  GLenum gltype = 0;

  gl->GenTextures (1, &data->result);
  gl->BindTexture (GL_TEXTURE_2D, data->result);

  switch (GST_VIDEO_INFO_FORMAT (data->info)) {
    case GST_VIDEO_FORMAT_RGB:
    case GST_VIDEO_FORMAT_BGR:
    {
      glinternalformat = GL_RGB8;
      glformat = GL_RGB;
      gltype = GL_UNSIGNED_BYTE;
      break;
    }
    case GST_VIDEO_FORMAT_RGB16:
    {
      glinternalformat = GL_RGB16;
      glformat = GL_RGB;
      gltype = GL_UNSIGNED_SHORT_5_6_5;
      break;
    }
    case GST_VIDEO_FORMAT_RGBA:
    case GST_VIDEO_FORMAT_BGRA:
    case GST_VIDEO_FORMAT_ARGB:
    case GST_VIDEO_FORMAT_ABGR:
    case GST_VIDEO_FORMAT_RGBx:
    case GST_VIDEO_FORMAT_BGRx:
    case GST_VIDEO_FORMAT_xRGB:
    case GST_VIDEO_FORMAT_xBGR:
    case GST_VIDEO_FORMAT_AYUV:
    {
      glinternalformat = GL_RGBA8;
      glformat = GL_RGBA;
      gltype = GL_UNSIGNED_BYTE;
      break;
    }
    case GST_VIDEO_FORMAT_NV12:
    case GST_VIDEO_FORMAT_NV21:
    {
      glinternalformat = GL_LUMINANCE;
      glformat = data->comp == 0 ? GL_LUMINANCE : GL_LUMINANCE_ALPHA;
      gltype = GL_UNSIGNED_BYTE;
      break;
    }
    case GST_VIDEO_FORMAT_I420:
    case GST_VIDEO_FORMAT_YV12:
    case GST_VIDEO_FORMAT_Y444:
    case GST_VIDEO_FORMAT_Y42B:
    case GST_VIDEO_FORMAT_Y41B:
    {
      glformat = GL_LUMINANCE;
      gltype = GL_UNSIGNED_BYTE;
      break;
    }
    default:
      GST_WARNING ("unsupported %s",
          gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (data->info)));
      break;
  }

  gl->TexImage2D (GL_TEXTURE_2D, 0, glinternalformat,
      GST_VIDEO_INFO_COMP_WIDTH (data->info, data->comp),
      GST_VIDEO_INFO_COMP_HEIGHT (data->info, data->comp), 0, glformat, gltype,
      NULL);

  gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
  gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
  gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
  gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
GstBuffer *
gst_egl_image_allocator_alloc_eglimage (GstAllocator * allocator,
    GstEGLDisplay * display, EGLContext eglcontext, GstVideoFormat format,
    gint width, gint height)
{
  GstEGLGLESImageData *data = NULL;
  GstBuffer *buffer;
  GstVideoInfo info;
  gint i;
  gint stride[3];
  gsize offset[3];
  GstMemory *mem[3] = { NULL, NULL, NULL };
  guint n_mem;
  GstMemoryFlags flags = 0;

  memset (stride, 0, sizeof (stride));
  memset (offset, 0, sizeof (offset));

  if (!gst_egl_image_memory_is_mappable ())
    flags |= GST_MEMORY_FLAG_NOT_MAPPABLE;
  /* See https://bugzilla.gnome.org/show_bug.cgi?id=695203 */
  flags |= GST_MEMORY_FLAG_NO_SHARE;

  gst_video_info_set_format (&info, format, width, height);

  switch (format) {
    case GST_VIDEO_FORMAT_RGB:
    case GST_VIDEO_FORMAT_BGR:{
      gsize size;
      EGLImageKHR image;

      mem[0] =
          gst_egl_image_allocator_alloc (allocator, display,
          GST_VIDEO_GL_TEXTURE_TYPE_RGB, GST_VIDEO_INFO_WIDTH (&info),
          GST_VIDEO_INFO_HEIGHT (&info), &size);
      if (mem[0]) {
        stride[0] = size / GST_VIDEO_INFO_HEIGHT (&info);
        n_mem = 1;
        GST_MINI_OBJECT_FLAG_SET (mem[0], GST_MEMORY_FLAG_NO_SHARE);
      } else {
        data = g_slice_new0 (GstEGLGLESImageData);

        stride[0] = GST_ROUND_UP_4 (GST_VIDEO_INFO_WIDTH (&info) * 3);
        size = stride[0] * GST_VIDEO_INFO_HEIGHT (&info);

        glGenTextures (1, &data->texture);
        if (got_gl_error ("glGenTextures"))
          goto mem_error;

        glBindTexture (GL_TEXTURE_2D, data->texture);
        if (got_gl_error ("glBindTexture"))
          goto mem_error;

        /* Set 2D resizing params */
        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

        /* If these are not set the texture image unit will return
         * * (R, G, B, A) = black on glTexImage2D for non-POT width/height
         * * frames. For a deeper explanation take a look at the OpenGL ES
         * * documentation for glTexParameter */
        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
        if (got_gl_error ("glTexParameteri"))
          goto mem_error;

        glTexImage2D (GL_TEXTURE_2D, 0, GL_RGB,
            GST_VIDEO_INFO_WIDTH (&info),
            GST_VIDEO_INFO_HEIGHT (&info), 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
        if (got_gl_error ("glTexImage2D"))
          goto mem_error;

        image =
            eglCreateImageKHR (gst_egl_display_get (display),
            eglcontext, EGL_GL_TEXTURE_2D_KHR,
            (EGLClientBuffer) (guintptr) data->texture, NULL);
        if (got_egl_error ("eglCreateImageKHR"))
          goto mem_error;

        mem[0] =
            gst_egl_image_allocator_wrap (allocator, display,
            image, GST_VIDEO_GL_TEXTURE_TYPE_RGB,
            flags, size, data, (GDestroyNotify) gst_egl_gles_image_data_free);
        n_mem = 1;
      }
      break;
    }
    case GST_VIDEO_FORMAT_RGB16:{
      EGLImageKHR image;
      gsize size;

      mem[0] =
          gst_egl_image_allocator_alloc (allocator, display,
          GST_VIDEO_GL_TEXTURE_TYPE_RGB, GST_VIDEO_INFO_WIDTH (&info),
          GST_VIDEO_INFO_HEIGHT (&info), &size);
      if (mem[0]) {
        stride[0] = size / GST_VIDEO_INFO_HEIGHT (&info);
        n_mem = 1;
        GST_MINI_OBJECT_FLAG_SET (mem[0], GST_MEMORY_FLAG_NO_SHARE);
      } else {
        data = g_slice_new0 (GstEGLGLESImageData);

        stride[0] = GST_ROUND_UP_4 (GST_VIDEO_INFO_WIDTH (&info) * 2);
        size = stride[0] * GST_VIDEO_INFO_HEIGHT (&info);

        glGenTextures (1, &data->texture);
        if (got_gl_error ("glGenTextures"))
          goto mem_error;

        glBindTexture (GL_TEXTURE_2D, data->texture);
        if (got_gl_error ("glBindTexture"))
          goto mem_error;

        /* Set 2D resizing params */
        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

        /* If these are not set the texture image unit will return
         * * (R, G, B, A) = black on glTexImage2D for non-POT width/height
         * * frames. For a deeper explanation take a look at the OpenGL ES
         * * documentation for glTexParameter */
        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
        if (got_gl_error ("glTexParameteri"))
          goto mem_error;

        glTexImage2D (GL_TEXTURE_2D, 0, GL_RGB,
            GST_VIDEO_INFO_WIDTH (&info),
            GST_VIDEO_INFO_HEIGHT (&info), 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5,
            NULL);
        if (got_gl_error ("glTexImage2D"))
          goto mem_error;

        image =
            eglCreateImageKHR (gst_egl_display_get (display),
            eglcontext, EGL_GL_TEXTURE_2D_KHR,
            (EGLClientBuffer) (guintptr) data->texture, NULL);
        if (got_egl_error ("eglCreateImageKHR"))
          goto mem_error;

        mem[0] =
            gst_egl_image_allocator_wrap (allocator, display,
            image, GST_VIDEO_GL_TEXTURE_TYPE_RGB,
            flags, size, data, (GDestroyNotify) gst_egl_gles_image_data_free);
        n_mem = 1;
      }
      break;
    }
    case GST_VIDEO_FORMAT_NV12:
    case GST_VIDEO_FORMAT_NV21:{
      EGLImageKHR image;
      gsize size[2];

      mem[0] =
          gst_egl_image_allocator_alloc (allocator, display,
          GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE, GST_VIDEO_INFO_COMP_WIDTH (&info,
              0), GST_VIDEO_INFO_COMP_HEIGHT (&info, 0), &size[0]);
      mem[1] =
          gst_egl_image_allocator_alloc (allocator, display,
          GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE_ALPHA,
          GST_VIDEO_INFO_COMP_WIDTH (&info, 1),
          GST_VIDEO_INFO_COMP_HEIGHT (&info, 1), &size[1]);

      if (mem[0] && mem[1]) {
        stride[0] = size[0] / GST_VIDEO_INFO_HEIGHT (&info);
        offset[1] = size[0];
        stride[1] = size[1] / GST_VIDEO_INFO_HEIGHT (&info);
        n_mem = 2;
        GST_MINI_OBJECT_FLAG_SET (mem[0], GST_MEMORY_FLAG_NO_SHARE);
        GST_MINI_OBJECT_FLAG_SET (mem[1], GST_MEMORY_FLAG_NO_SHARE);
      } else {
        if (mem[0])
          gst_memory_unref (mem[0]);
        if (mem[1])
          gst_memory_unref (mem[1]);
        mem[0] = mem[1] = NULL;

        stride[0] = GST_ROUND_UP_4 (GST_VIDEO_INFO_COMP_WIDTH (&info, 0));
        stride[1] = GST_ROUND_UP_4 (GST_VIDEO_INFO_COMP_WIDTH (&info, 1) * 2);
        offset[1] = stride[0] * GST_VIDEO_INFO_COMP_HEIGHT (&info, 0);
        size[0] = offset[1];
        size[1] = stride[1] * GST_VIDEO_INFO_COMP_HEIGHT (&info, 1);

        for (i = 0; i < 2; i++) {
          data = g_slice_new0 (GstEGLGLESImageData);

          glGenTextures (1, &data->texture);
          if (got_gl_error ("glGenTextures"))
            goto mem_error;

          glBindTexture (GL_TEXTURE_2D, data->texture);
          if (got_gl_error ("glBindTexture"))
            goto mem_error;

          /* Set 2D resizing params */
          glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
          glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

          /* If these are not set the texture image unit will return
           * * (R, G, B, A) = black on glTexImage2D for non-POT width/height
           * * frames. For a deeper explanation take a look at the OpenGL ES
           * * documentation for glTexParameter */
          glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
          glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
          if (got_gl_error ("glTexParameteri"))
            goto mem_error;

          if (i == 0)
            glTexImage2D (GL_TEXTURE_2D, 0, GL_LUMINANCE,
                GST_VIDEO_INFO_COMP_WIDTH (&info, i),
                GST_VIDEO_INFO_COMP_HEIGHT (&info, i), 0, GL_LUMINANCE,
                GL_UNSIGNED_BYTE, NULL);
          else
            glTexImage2D (GL_TEXTURE_2D, 0, GL_LUMINANCE_ALPHA,
                GST_VIDEO_INFO_COMP_WIDTH (&info, i),
                GST_VIDEO_INFO_COMP_HEIGHT (&info, i), 0, GL_LUMINANCE_ALPHA,
                GL_UNSIGNED_BYTE, NULL);

          if (got_gl_error ("glTexImage2D"))
            goto mem_error;

          image =
              eglCreateImageKHR (gst_egl_display_get (display),
              eglcontext, EGL_GL_TEXTURE_2D_KHR,
              (EGLClientBuffer) (guintptr) data->texture, NULL);
          if (got_egl_error ("eglCreateImageKHR"))
            goto mem_error;

          mem[i] =
              gst_egl_image_allocator_wrap (allocator, display,
              image,
              (i ==
                  0 ? GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE :
                  GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE_ALPHA),
              flags, size[i], data,
              (GDestroyNotify) gst_egl_gles_image_data_free);
        }

        n_mem = 2;
      }
      break;
    }
    case GST_VIDEO_FORMAT_I420:
    case GST_VIDEO_FORMAT_YV12:
    case GST_VIDEO_FORMAT_Y444:
    case GST_VIDEO_FORMAT_Y42B:
    case GST_VIDEO_FORMAT_Y41B:{
      EGLImageKHR image;
      gsize size[3];

      mem[0] =
          gst_egl_image_allocator_alloc (allocator, display,
          GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE, GST_VIDEO_INFO_COMP_WIDTH (&info,
              0), GST_VIDEO_INFO_COMP_HEIGHT (&info, 0), &size[0]);
      mem[1] =
          gst_egl_image_allocator_alloc (allocator, display,
          GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE, GST_VIDEO_INFO_COMP_WIDTH (&info,
              1), GST_VIDEO_INFO_COMP_HEIGHT (&info, 1), &size[1]);
      mem[2] =
          gst_egl_image_allocator_alloc (allocator, display,
          GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE, GST_VIDEO_INFO_COMP_WIDTH (&info,
              2), GST_VIDEO_INFO_COMP_HEIGHT (&info, 2), &size[2]);

      if (mem[0] && mem[1] && mem[2]) {
        stride[0] = size[0] / GST_VIDEO_INFO_HEIGHT (&info);
        offset[1] = size[0];
        stride[1] = size[1] / GST_VIDEO_INFO_HEIGHT (&info);
        offset[2] = size[1];
        stride[2] = size[2] / GST_VIDEO_INFO_HEIGHT (&info);
        n_mem = 3;
        GST_MINI_OBJECT_FLAG_SET (mem[0], GST_MEMORY_FLAG_NO_SHARE);
        GST_MINI_OBJECT_FLAG_SET (mem[1], GST_MEMORY_FLAG_NO_SHARE);
        GST_MINI_OBJECT_FLAG_SET (mem[2], GST_MEMORY_FLAG_NO_SHARE);
      } else {
        if (mem[0])
          gst_memory_unref (mem[0]);
        if (mem[1])
          gst_memory_unref (mem[1]);
        if (mem[2])
          gst_memory_unref (mem[2]);
        mem[0] = mem[1] = mem[2] = NULL;

        stride[0] = GST_ROUND_UP_4 (GST_VIDEO_INFO_COMP_WIDTH (&info, 0));
        stride[1] = GST_ROUND_UP_4 (GST_VIDEO_INFO_COMP_WIDTH (&info, 1));
        stride[2] = GST_ROUND_UP_4 (GST_VIDEO_INFO_COMP_WIDTH (&info, 2));
        size[0] = stride[0] * GST_VIDEO_INFO_COMP_HEIGHT (&info, 0);
        size[1] = stride[1] * GST_VIDEO_INFO_COMP_HEIGHT (&info, 1);
        size[2] = stride[2] * GST_VIDEO_INFO_COMP_HEIGHT (&info, 2);
        offset[0] = 0;
        offset[1] = size[0];
        offset[2] = offset[1] + size[1];

        for (i = 0; i < 3; i++) {
          data = g_slice_new0 (GstEGLGLESImageData);

          glGenTextures (1, &data->texture);
          if (got_gl_error ("glGenTextures"))
            goto mem_error;

          glBindTexture (GL_TEXTURE_2D, data->texture);
          if (got_gl_error ("glBindTexture"))
            goto mem_error;

          /* Set 2D resizing params */
          glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
          glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

          /* If these are not set the texture image unit will return
           * * (R, G, B, A) = black on glTexImage2D for non-POT width/height
           * * frames. For a deeper explanation take a look at the OpenGL ES
           * * documentation for glTexParameter */
          glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
          glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
          if (got_gl_error ("glTexParameteri"))
            goto mem_error;

          glTexImage2D (GL_TEXTURE_2D, 0, GL_LUMINANCE,
              GST_VIDEO_INFO_COMP_WIDTH (&info, i),
              GST_VIDEO_INFO_COMP_HEIGHT (&info, i), 0, GL_LUMINANCE,
              GL_UNSIGNED_BYTE, NULL);

          if (got_gl_error ("glTexImage2D"))
            goto mem_error;

          image =
              eglCreateImageKHR (gst_egl_display_get (display),
              eglcontext, EGL_GL_TEXTURE_2D_KHR,
              (EGLClientBuffer) (guintptr) data->texture, NULL);
          if (got_egl_error ("eglCreateImageKHR"))
            goto mem_error;

          mem[i] =
              gst_egl_image_allocator_wrap (allocator, display,
              image, GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE,
              flags, size[i], data,
              (GDestroyNotify) gst_egl_gles_image_data_free);
        }

        n_mem = 3;
      }
      break;
    }
    case GST_VIDEO_FORMAT_RGBA:
    case GST_VIDEO_FORMAT_BGRA:
    case GST_VIDEO_FORMAT_ARGB:
    case GST_VIDEO_FORMAT_ABGR:
    case GST_VIDEO_FORMAT_RGBx:
    case GST_VIDEO_FORMAT_BGRx:
    case GST_VIDEO_FORMAT_xRGB:
    case GST_VIDEO_FORMAT_xBGR:
    case GST_VIDEO_FORMAT_AYUV:{
      gsize size;
      EGLImageKHR image;

      mem[0] =
          gst_egl_image_allocator_alloc (allocator, display,
          GST_VIDEO_GL_TEXTURE_TYPE_RGBA, GST_VIDEO_INFO_WIDTH (&info),
          GST_VIDEO_INFO_HEIGHT (&info), &size);
      if (mem[0]) {
        stride[0] = size / GST_VIDEO_INFO_HEIGHT (&info);
        n_mem = 1;
        GST_MINI_OBJECT_FLAG_SET (mem[0], GST_MEMORY_FLAG_NO_SHARE);
      } else {
        data = g_slice_new0 (GstEGLGLESImageData);

        stride[0] = GST_ROUND_UP_4 (GST_VIDEO_INFO_WIDTH (&info) * 4);
        size = stride[0] * GST_VIDEO_INFO_HEIGHT (&info);

        glGenTextures (1, &data->texture);
        if (got_gl_error ("glGenTextures"))
          goto mem_error;

        glBindTexture (GL_TEXTURE_2D, data->texture);
        if (got_gl_error ("glBindTexture"))
          goto mem_error;

        /* Set 2D resizing params */
        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

        /* If these are not set the texture image unit will return
         * * (R, G, B, A) = black on glTexImage2D for non-POT width/height
         * * frames. For a deeper explanation take a look at the OpenGL ES
         * * documentation for glTexParameter */
        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
        if (got_gl_error ("glTexParameteri"))
          goto mem_error;

        glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA,
            GST_VIDEO_INFO_WIDTH (&info),
            GST_VIDEO_INFO_HEIGHT (&info), 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
        if (got_gl_error ("glTexImage2D"))
          goto mem_error;

        image =
            eglCreateImageKHR (gst_egl_display_get (display),
            eglcontext, EGL_GL_TEXTURE_2D_KHR,
            (EGLClientBuffer) (guintptr) data->texture, NULL);
        if (got_egl_error ("eglCreateImageKHR"))
          goto mem_error;

        mem[0] =
            gst_egl_image_allocator_wrap (allocator, display,
            image, GST_VIDEO_GL_TEXTURE_TYPE_RGBA,
            flags, size, data, (GDestroyNotify) gst_egl_gles_image_data_free);

        n_mem = 1;
      }
      break;
    }
    default:
      g_assert_not_reached ();
      break;
  }

  buffer = gst_buffer_new ();
  gst_buffer_add_video_meta_full (buffer, 0, format, width, height,
      GST_VIDEO_INFO_N_PLANES (&info), offset, stride);

  for (i = 0; i < n_mem; i++)
    gst_buffer_append_memory (buffer, mem[i]);

  return buffer;

mem_error:
  {
    GST_ERROR_OBJECT (GST_CAT_DEFAULT, "Failed to create EGLImage");

    if (data)
      gst_egl_gles_image_data_free (data);

    if (mem[0])
      gst_memory_unref (mem[0]);
    if (mem[1])
      gst_memory_unref (mem[1]);
    if (mem[2])
      gst_memory_unref (mem[2]);

    return NULL;
  }
}
Exemplo n.º 12
0
static void
gst_deinterlace_method_setup_impl (GstDeinterlaceMethod * self,
    GstVideoInfo * vinfo)
{
  gint i;
  GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self);

  self->vinfo = vinfo;

  self->deinterlace_frame = NULL;

  if (GST_VIDEO_INFO_FORMAT (self->vinfo) == GST_VIDEO_FORMAT_UNKNOWN)
    return;

  for (i = 0; i < 4; i++) {
    self->width[i] = GST_VIDEO_INFO_COMP_WIDTH (vinfo, i);
    self->height[i] = GST_VIDEO_INFO_COMP_HEIGHT (vinfo, i);
    self->offset[i] = GST_VIDEO_INFO_COMP_OFFSET (vinfo, i);
    self->row_stride[i] = GST_VIDEO_INFO_COMP_STRIDE (vinfo, i);
    self->pixel_stride[i] = GST_VIDEO_INFO_COMP_PSTRIDE (vinfo, i);
  }

  switch (GST_VIDEO_INFO_FORMAT (self->vinfo)) {
    case GST_VIDEO_FORMAT_YUY2:
      self->deinterlace_frame = klass->deinterlace_frame_yuy2;
      break;
    case GST_VIDEO_FORMAT_YVYU:
      self->deinterlace_frame = klass->deinterlace_frame_yvyu;
      break;
    case GST_VIDEO_FORMAT_UYVY:
      self->deinterlace_frame = klass->deinterlace_frame_uyvy;
      break;
    case GST_VIDEO_FORMAT_I420:
      self->deinterlace_frame = klass->deinterlace_frame_i420;
      break;
    case GST_VIDEO_FORMAT_YV12:
      self->deinterlace_frame = klass->deinterlace_frame_yv12;
      break;
    case GST_VIDEO_FORMAT_Y444:
      self->deinterlace_frame = klass->deinterlace_frame_y444;
      break;
    case GST_VIDEO_FORMAT_Y42B:
      self->deinterlace_frame = klass->deinterlace_frame_y42b;
      break;
    case GST_VIDEO_FORMAT_Y41B:
      self->deinterlace_frame = klass->deinterlace_frame_y41b;
      break;
    case GST_VIDEO_FORMAT_AYUV:
      self->deinterlace_frame = klass->deinterlace_frame_ayuv;
      break;
    case GST_VIDEO_FORMAT_NV12:
      self->deinterlace_frame = klass->deinterlace_frame_nv12;
      break;
    case GST_VIDEO_FORMAT_NV21:
      self->deinterlace_frame = klass->deinterlace_frame_nv21;
      break;
    case GST_VIDEO_FORMAT_ARGB:
    case GST_VIDEO_FORMAT_xRGB:
      self->deinterlace_frame = klass->deinterlace_frame_argb;
      break;
    case GST_VIDEO_FORMAT_ABGR:
    case GST_VIDEO_FORMAT_xBGR:
      self->deinterlace_frame = klass->deinterlace_frame_abgr;
      break;
    case GST_VIDEO_FORMAT_RGBA:
    case GST_VIDEO_FORMAT_RGBx:
      self->deinterlace_frame = klass->deinterlace_frame_rgba;
      break;
    case GST_VIDEO_FORMAT_BGRA:
    case GST_VIDEO_FORMAT_BGRx:
      self->deinterlace_frame = klass->deinterlace_frame_bgra;
      break;
    case GST_VIDEO_FORMAT_RGB:
      self->deinterlace_frame = klass->deinterlace_frame_rgb;
      break;
    case GST_VIDEO_FORMAT_BGR:
      self->deinterlace_frame = klass->deinterlace_frame_bgr;
      break;
    default:
      self->deinterlace_frame = NULL;
      break;
  }
}