diff options
Diffstat (limited to 'gst-libs/gst/gl/gstgldownload.c')
-rw-r--r-- | gst-libs/gst/gl/gstgldownload.c | 194 |
1 files changed, 75 insertions, 119 deletions
diff --git a/gst-libs/gst/gl/gstgldownload.c b/gst-libs/gst/gl/gstgldownload.c index 5128c0ac2..bef1e9ef5 100644 --- a/gst-libs/gst/gl/gstgldownload.c +++ b/gst-libs/gst/gl/gstgldownload.c @@ -44,9 +44,10 @@ #define USING_GLES3(context) (gst_gl_context_get_gl_api (context) & GST_GL_API_GLES3) static void _do_download (GstGLContext * context, GstGLDownload * download); -static void _init_download (GstGLContext * context, GstGLDownload * download); +static gboolean _init_download (GstGLDownload * download); static gboolean _gst_gl_download_perform_with_data_unlocked (GstGLDownload * download, GLuint texture_id, gpointer data[GST_VIDEO_MAX_PLANES]); +static void gst_gl_download_reset (GstGLDownload * download); /* *INDENT-ON* */ @@ -116,21 +117,11 @@ static void gst_gl_download_finalize (GObject * object) { GstGLDownload *download; - guint i; download = GST_GL_DOWNLOAD (object); - for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) { - if (download->out_texture[i]) { - gst_memory_unref ((GstMemory *) download->out_texture[i]); - download->out_texture[i] = NULL; - } - } + gst_gl_download_reset (download); - if (download->in_texture) { - gst_gl_context_del_texture (download->context, &download->in_texture); - download->in_texture = 0; - } if (download->convert) { gst_object_unref (download->convert); download->convert = NULL; @@ -146,91 +137,56 @@ gst_gl_download_finalize (GObject * object) G_OBJECT_CLASS (gst_gl_download_parent_class)->finalize (object); } -/** - * gst_gl_download_init_format: - * @download: a #GstGLDownload - * @v_format: a #GstVideoFormat - * @out_width: the width to download to - * @out_height: the height to download to - * - * Initializes @download with the information required for download. - * - * Returns: whether the initialization was successful - */ -gboolean -gst_gl_download_init_format (GstGLDownload * download, GstVideoFormat v_format, - guint out_width, guint out_height) +static void +gst_gl_download_reset (GstGLDownload * download) { - GstVideoInfo info; - gboolean ret; - - g_return_val_if_fail (download != NULL, FALSE); - g_return_val_if_fail (v_format != GST_VIDEO_FORMAT_UNKNOWN, FALSE); - g_return_val_if_fail (v_format != GST_VIDEO_FORMAT_ENCODED, FALSE); - g_return_val_if_fail (out_width > 0 && out_height > 0, FALSE); - - g_mutex_lock (&download->lock); + guint i; - if (download->initted) { - g_mutex_unlock (&download->lock); - return FALSE; + for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) { + if (download->out_tex[i]) { + gst_memory_unref ((GstMemory *) download->out_tex[i]); + download->out_tex[i] = NULL; + } } - gst_video_info_set_format (&info, v_format, out_width, out_height); - - download->info = info; - - gst_gl_context_thread_add (download->context, - (GstGLContextThreadFunc) _init_download, download); - - ret = download->initted = download->priv->result; - - g_mutex_unlock (&download->lock); - - return ret; + for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) { + if (download->in_tex[i]) { + gst_memory_unref ((GstMemory *) download->in_tex[i]); + download->in_tex[i] = NULL; + } + } } /** - * gst_gl_download_perform_with_memory: + * gst_gl_download_set_format: * @download: a #GstGLDownload - * @gl_mem: a #GstGLMemory - * - * Downloads the texture in @gl_mem + * @v_format: a #GstVideoFormat + * @out_width: the width to download to + * @out_height: the height to download to * - * Returns: whether the download was successful + * Initializes @download with the information required for download. */ -gboolean -gst_gl_download_perform_with_memory (GstGLDownload * download, - GstGLMemory * gl_mem) +void +gst_gl_download_set_format (GstGLDownload * download, GstVideoInfo * out_info) { - gpointer data[GST_VIDEO_MAX_PLANES]; - guint i; - gboolean ret; - - if (!GST_GL_MEMORY_FLAG_IS_SET (gl_mem, GST_GL_MEMORY_FLAG_DOWNLOAD_INITTED)) - return FALSE; - - if (!GST_GL_MEMORY_FLAG_IS_SET (gl_mem, GST_GL_MEMORY_FLAG_NEED_DOWNLOAD)) { - return FALSE; - } + g_return_if_fail (download != NULL); + g_return_if_fail (GST_VIDEO_INFO_FORMAT (out_info) != + GST_VIDEO_FORMAT_UNKNOWN); + g_return_if_fail (GST_VIDEO_INFO_FORMAT (out_info) != + GST_VIDEO_FORMAT_ENCODED); g_mutex_lock (&download->lock); - for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&download->info); i++) { - data[i] = (guint8 *) gl_mem->data + - GST_VIDEO_INFO_PLANE_OFFSET (&download->info, i); + if (gst_video_info_is_equal (&download->info, out_info)) { + g_mutex_unlock (&download->lock); + return; } - ret = - _gst_gl_download_perform_with_data_unlocked (download, gl_mem->tex_id, - data); - - if (ret) - GST_GL_MEMORY_FLAG_UNSET (gl_mem, GST_GL_MEMORY_FLAG_NEED_DOWNLOAD); + gst_gl_download_reset (download); + download->initted = FALSE; + download->info = *out_info; g_mutex_unlock (&download->lock); - - return ret; } /** @@ -240,7 +196,7 @@ gst_gl_download_perform_with_memory (GstGLDownload * download, * @data: (out): where the downloaded data should go * * Downloads @texture_id into @data. @data size and format is specified by - * the #GstVideoFormat passed to gst_gl_download_init_format() + * the #GstVideoFormat passed to gst_gl_download_set_format() * * Returns: whether the download was successful */ @@ -266,7 +222,6 @@ static gboolean _gst_gl_download_perform_with_data_unlocked (GstGLDownload * download, GLuint texture_id, gpointer data[GST_VIDEO_MAX_PLANES]) { - gboolean realloc = FALSE; gpointer temp_data; guint i; @@ -281,28 +236,28 @@ _gst_gl_download_perform_with_data_unlocked (GstGLDownload * download, g_return_val_if_fail (data[i] != NULL, FALSE); } - download->in_texture = texture_id; - for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&download->info); i++) { - if (download->data[i] != data[i]) - realloc = TRUE; - } + if (!download->in_tex[0]) + download->in_tex[0] = gst_gl_memory_wrapped_texture (download->context, + texture_id, GST_VIDEO_GL_TEXTURE_TYPE_RGBA, + GST_VIDEO_INFO_WIDTH (&download->info), + GST_VIDEO_INFO_HEIGHT (&download->info), NULL, NULL); - if (realloc) { - for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&download->info); i++) { - if (download->out_texture[i]) - gst_memory_unref ((GstMemory *) download->out_texture[i]); - download->data[i] = data[i]; - } - - if (GST_VIDEO_INFO_FORMAT (&download->info) == GST_VIDEO_FORMAT_YV12) { - /* YV12 same as I420 except planes 1+2 swapped */ - temp_data = download->data[1]; - download->data[1] = download->data[2]; - download->data[2] = temp_data; - } + download->in_tex[0]->tex_id = texture_id; + if (!download->out_tex[0]) { gst_gl_memory_setup_wrapped (download->context, &download->info, - download->data, download->out_texture); + data, download->out_tex); + } + + for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&download->info); i++) { + download->out_tex[i]->data = data[i]; + } + + if (GST_VIDEO_INFO_FORMAT (&download->info) == GST_VIDEO_FORMAT_YV12) { + /* YV12 same as I420 except planes 1+2 swapped */ + temp_data = download->out_tex[1]->data; + download->out_tex[1]->data = download->out_tex[2]->data; + download->out_tex[2]->data = temp_data; } gst_gl_context_thread_add (download->context, @@ -311,8 +266,8 @@ _gst_gl_download_perform_with_data_unlocked (GstGLDownload * download, return download->priv->result; } -static void -_init_download (GstGLContext * context, GstGLDownload * download) +static gboolean +_init_download (GstGLDownload * download) { GstVideoFormat v_format; guint out_width, out_height; @@ -322,16 +277,18 @@ _init_download (GstGLContext * context, GstGLDownload * download) out_width = GST_VIDEO_INFO_WIDTH (&download->info); out_height = GST_VIDEO_INFO_HEIGHT (&download->info); + if (download->initted) + return TRUE; + GST_TRACE ("initializing texture download for format %s", gst_video_format_to_string (v_format)); - if (USING_GLES2 (context) && !USING_GLES3 (context)) { + if (USING_GLES2 (download->context) && !USING_GLES3 (download->context)) { /* GL_RGBA is the only officially supported texture format in GLES2 */ if (v_format == GST_VIDEO_FORMAT_RGB || v_format == GST_VIDEO_FORMAT_BGR) { - gst_gl_context_set_error (context, "Cannot download RGB textures in " - "GLES2"); - download->priv->result = FALSE; - return; + gst_gl_context_set_error (download->context, "Cannot download RGB " + "textures in GLES2"); + return FALSE; } } @@ -341,7 +298,7 @@ _init_download (GstGLContext * context, GstGLDownload * download) gst_gl_color_convert_set_format (download->convert, &in_info, &download->info); - download->priv->result = TRUE; + return TRUE; } static void @@ -349,29 +306,28 @@ _do_download (GstGLContext * context, GstGLDownload * download) { guint out_width, out_height; GstMapInfo map_info; - GstGLMemory *in_tex[GST_VIDEO_MAX_PLANES] = { 0, }; gint i; out_width = GST_VIDEO_INFO_WIDTH (&download->info); out_height = GST_VIDEO_INFO_HEIGHT (&download->info); - GST_TRACE ("doing YUV download of texture:%u (%ux%u)", - download->in_texture, out_width, out_height); + if (!download->initted) { + if (!(download->priv->result = _init_download (download))) + return; + } - in_tex[0] = gst_gl_memory_wrapped_texture (context, download->in_texture, - GST_VIDEO_GL_TEXTURE_TYPE_RGBA, out_width, out_height, NULL, NULL); + GST_TRACE ("doing download of texture:%u (%ux%u)", + download->in_tex[0]->tex_id, out_width, out_height); download->priv->result = - gst_gl_color_convert_perform (download->convert, in_tex, - download->out_texture); + gst_gl_color_convert_perform (download->convert, download->in_tex, + download->out_tex); if (!download->priv->result) return; for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&download->info); i++) { - gst_memory_map ((GstMemory *) download->out_texture[i], &map_info, + gst_memory_map ((GstMemory *) download->out_tex[i], &map_info, GST_MAP_READ); - gst_memory_unmap ((GstMemory *) download->out_texture[i], &map_info); + gst_memory_unmap ((GstMemory *) download->out_tex[i], &map_info); } - - gst_memory_unref ((GstMemory *) in_tex[0]); } |