1 files changed, 133 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx/src/vpx_codec.c b/media/libvpx/libvpx/vpx/src/vpx_codec.c
new file mode 100644
index 0000000000..24528d860a
--- /dev/null
+++ b/media/libvpx/libvpx/vpx/src/vpx_codec.c
@@ -0,0 +1,133 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+/*!\file
+ * \brief Provides the high level interface to wrap decoder algorithms.
+ *
+ */
+#include <stdarg.h>
+#include <stdlib.h>
+#include "vpx/vpx_integer.h"
+#include "vpx/internal/vpx_codec_internal.h"
+#include "vpx_version.h"
+
+#define SAVE_STATUS(ctx, var) (ctx ? (ctx->err = var) : var)
+
+int vpx_codec_version(void) { return VERSION_PACKED; }
+
+const char *vpx_codec_version_str(void) { return VERSION_STRING_NOSP; }
+
+const char *vpx_codec_version_extra_str(void) { return VERSION_EXTRA; }
+
+const char *vpx_codec_iface_name(vpx_codec_iface_t *iface) {
+  return iface ? iface->name : "<invalid interface>";
+}
+
+const char *vpx_codec_err_to_string(vpx_codec_err_t err) {
+  switch (err) {
+    case VPX_CODEC_OK: return "Success";
+    case VPX_CODEC_ERROR: return "Unspecified internal error";
+    case VPX_CODEC_MEM_ERROR: return "Memory allocation error";
+    case VPX_CODEC_ABI_MISMATCH: return "ABI version mismatch";
+    case VPX_CODEC_INCAPABLE:
+      return "Codec does not implement requested capability";
+    case VPX_CODEC_UNSUP_BITSTREAM:
+      return "Bitstream not supported by this decoder";
+    case VPX_CODEC_UNSUP_FEATURE:
+      return "Bitstream required feature not supported by this decoder";
+    case VPX_CODEC_CORRUPT_FRAME: return "Corrupt frame detected";
+    case VPX_CODEC_INVALID_PARAM: return "Invalid parameter";
+    case VPX_CODEC_LIST_END: return "End of iterated list";
+  }
+
+  return "Unrecognized error code";
+}
+
+const char *vpx_codec_error(const vpx_codec_ctx_t *ctx) {
+  return (ctx) ? vpx_codec_err_to_string(ctx->err)
+               : vpx_codec_err_to_string(VPX_CODEC_INVALID_PARAM);
+}
+
+const char *vpx_codec_error_detail(const vpx_codec_ctx_t *ctx) {
+  if (ctx && ctx->err)
+    return ctx->priv ? ctx->priv->err_detail : ctx->err_detail;
+
+  return NULL;
+}
+
+vpx_codec_err_t vpx_codec_destroy(vpx_codec_ctx_t *ctx) {
+  vpx_codec_err_t res;
+
+  if (!ctx)
+    res = VPX_CODEC_INVALID_PARAM;
+  else if (!ctx->iface || !ctx->priv)
+    res = VPX_CODEC_ERROR;
+  else {
+    ctx->iface->destroy((vpx_codec_alg_priv_t *)ctx->priv);
+
+    ctx->iface = NULL;
+    ctx->name = NULL;
+    ctx->priv = NULL;
+    res = VPX_CODEC_OK;
+  }
+
+  return SAVE_STATUS(ctx, res);
+}
+
+vpx_codec_caps_t vpx_codec_get_caps(vpx_codec_iface_t *iface) {
+  return iface ? iface->caps : 0;
+}
+
+vpx_codec_err_t vpx_codec_control_(vpx_codec_ctx_t *ctx, int ctrl_id, ...) {
+  vpx_codec_err_t res;
+
+  if (!ctx || !ctrl_id)
+    res = VPX_CODEC_INVALID_PARAM;
+  else if (!ctx->iface || !ctx->priv || !ctx->iface->ctrl_maps)
+    res = VPX_CODEC_ERROR;
+  else {
+    vpx_codec_ctrl_fn_map_t *entry;
+
+    res = VPX_CODEC_INCAPABLE;
+
+    for (entry = ctx->iface->ctrl_maps; entry->fn; entry++) {
+      if (!entry->ctrl_id || entry->ctrl_id == ctrl_id) {
+        va_list ap;
+
+        va_start(ap, ctrl_id);
+        res = entry->fn((vpx_codec_alg_priv_t *)ctx->priv, ap);
+        va_end(ap);
+        break;
+      }
+    }
+  }
+
+  return SAVE_STATUS(ctx, res);
+}
+
+void vpx_internal_error(struct vpx_internal_error_info *info,
+                        vpx_codec_err_t error, const char *fmt, ...) {
+  va_list ap;
+
+  info->error_code = error;
+  info->has_detail = 0;
+
+  if (fmt) {
+    size_t sz = sizeof(info->detail);
+
+    info->has_detail = 1;
+    va_start(ap, fmt);
+    vsnprintf(info->detail, sz - 1, fmt, ap);
+    va_end(ap);
+    info->detail[sz - 1] = '\0';
+  }
+
+  if (info->setjmp) longjmp(info->jmp, info->error_code);
+}