[client] project restructure part 2/2

2025-12-23 13:10:10 +00:00 · 2019-03-28 12:42:41 +11:00
parent fdba14691c
commit 52c4e15c76
11 changed files with 81 additions and 8 deletions
--- a/client/decoders/src/null.c
+++ b/client/decoders/src/null.c
@@ -0,0 +1,130 @@
+/*
+Looking Glass - KVM FrameRelay (KVMFR) Client
+Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
+https://looking-glass.hostfission.com
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; either version 2 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include "interface/decoder.h"
+
+#include "debug.h"
+#include "memcpySSE.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+struct Inst
+{
+  LG_RendererFormat  format;
+  const uint8_t    * src;
+};
+
+static bool            lgd_null_create          (void ** opaque);
+static void            lgd_null_destroy         (void  * opaque);
+static bool            lgd_null_initialize      (void  * opaque, const LG_RendererFormat format, SDL_Window * window);
+static void            lgd_null_deinitialize    (void  * opaque);
+static LG_OutFormat    lgd_null_get_out_format  (void  * opaque);
+static unsigned int    lgd_null_get_frame_pitch (void  * opaque);
+static unsigned int    lgd_null_get_frame_stride(void  * opaque);
+static bool            lgd_null_decode          (void  * opaque, const uint8_t * src, size_t srcSize);
+static const uint8_t * lgd_null_get_buffer      (void  * opaque);
+
+static bool lgd_null_create(void ** opaque)
+{
+  // create our local storage
+  *opaque = malloc(sizeof(struct Inst));
+  if (!*opaque)
+  {
+    DEBUG_INFO("Failed to allocate %lu bytes", sizeof(struct Inst));
+    return false;
+  }
+  memset(*opaque, 0, sizeof(struct Inst));
+  return true;
+}
+
+static void lgd_null_destroy(void * opaque)
+{
+  free(opaque);
+}
+
+static bool lgd_null_initialize(void * opaque, const LG_RendererFormat format, SDL_Window * window)
+{
+  struct Inst * this = (struct Inst *)opaque;
+  memcpy(&this->format, &format, sizeof(LG_RendererFormat));
+  return true;
+}
+
+static void lgd_null_deinitialize(void * opaque)
+{
+  struct Inst * this = (struct Inst *)opaque;
+  memset(this, 0, sizeof(struct Inst));
+}
+
+static LG_OutFormat lgd_null_get_out_format(void * opaque)
+{
+  struct Inst * this = (struct Inst *)opaque;
+  switch(this->format.type)
+  {
+    case FRAME_TYPE_BGRA  : return LG_OUTPUT_BGRA;
+    case FRAME_TYPE_RGBA  : return LG_OUTPUT_RGBA;
+    case FRAME_TYPE_RGBA10: return LG_OUTPUT_RGBA10;
+
+    default:
+      DEBUG_ERROR("Unknown frame type");
+      return LG_OUTPUT_INVALID;
+  }
+}
+
+static unsigned int lgd_null_get_frame_pitch(void * opaque)
+{
+  struct Inst * this = (struct Inst *)opaque;
+  return this->format.pitch;
+}
+
+static unsigned int lgd_null_get_frame_stride(void * opaque)
+{
+  struct Inst * this = (struct Inst *)opaque;
+  return this->format.stride;
+}
+
+static bool lgd_null_decode(void * opaque, const uint8_t * src, size_t srcSize)
+{
+  struct Inst * this = (struct Inst *)opaque;
+  this->src = src;
+  return true;
+}
+
+static const uint8_t * lgd_null_get_buffer(void * opaque)
+{
+  struct Inst * this = (struct Inst *)opaque;
+  if (!this->src)
+    return NULL;
+
+  return this->src;
+}
+
+const LG_Decoder LGD_NULL =
+{
+  .name             = "NULL",
+  .create           = lgd_null_create,
+  .destroy          = lgd_null_destroy,
+  .initialize       = lgd_null_initialize,
+  .deinitialize     = lgd_null_deinitialize,
+  .get_out_format   = lgd_null_get_out_format,
+  .get_frame_pitch  = lgd_null_get_frame_pitch,
+  .get_frame_stride = lgd_null_get_frame_stride,
+  .decode           = lgd_null_decode,
+  .get_buffer       = lgd_null_get_buffer
+};