aom/exports_dec

+text aom_codec_dec_init_ver
+text aom_codec_decode
+text aom_codec_get_frame
+text aom_codec_get_stream_info
+text aom_codec_peek_stream_info
+text aom_codec_register_put_frame_cb
+text aom_codec_register_put_slice_cb
+text aom_codec_set_frame_buffer_functions

aom/exports_enc

+text aom_codec_enc_config_default
+text aom_codec_enc_config_set
+text aom_codec_enc_init_multi_ver
+text aom_codec_enc_init_ver
+text aom_codec_encode
+text aom_codec_get_cx_data
+text aom_codec_get_global_headers
+text aom_codec_get_preview_frame
+text aom_codec_set_cx_data_buf

aom/src/aom_codec.c

+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+/*!\file
+ * \brief Provides the high level interface to wrap decoder algorithms.
+ *
+ */
+#include <stdarg.h>
+#include <stdlib.h>
+#include "aom/aom_integer.h"
+#include "aom/internal/aom_codec_internal.h"
+#include "aom_version.h"
+
+#define SAVE_STATUS(ctx, var) (ctx ? (ctx->err = var) : var)
+
+int aom_codec_version(void) { return VERSION_PACKED; }
+
+const char *aom_codec_version_str(void) { return VERSION_STRING_NOSP; }
+
+const char *aom_codec_version_extra_str(void) { return VERSION_EXTRA; }
+
+const char *aom_codec_iface_name(aom_codec_iface_t *iface) {
+  return iface ? iface->name : "<invalid interface>";
+}
+
+const char *aom_codec_err_to_string(aom_codec_err_t err) {
+  switch (err) {
+    case AOM_CODEC_OK: return "Success";
+    case AOM_CODEC_ERROR: return "Unspecified internal error";
+    case AOM_CODEC_MEM_ERROR: return "Memory allocation error";
+    case AOM_CODEC_ABI_MISMATCH: return "ABI version mismatch";
+    case AOM_CODEC_INCAPABLE:
+      return "Codec does not implement requested capability";
+    case AOM_CODEC_UNSUP_BITSTREAM:
+      return "Bitstream not supported by this decoder";
+    case AOM_CODEC_UNSUP_FEATURE:
+      return "Bitstream required feature not supported by this decoder";
+    case AOM_CODEC_CORRUPT_FRAME: return "Corrupt frame detected";
+    case AOM_CODEC_INVALID_PARAM: return "Invalid parameter";
+    case AOM_CODEC_LIST_END: return "End of iterated list";
+  }
+
+  return "Unrecognized error code";
+}
+
+const char *aom_codec_error(aom_codec_ctx_t *ctx) {
+  return (ctx) ? aom_codec_err_to_string(ctx->err)
+               : aom_codec_err_to_string(AOM_CODEC_INVALID_PARAM);
+}
+
+const char *aom_codec_error_detail(aom_codec_ctx_t *ctx) {
+  if (ctx && ctx->err)
+    return ctx->priv ? ctx->priv->err_detail : ctx->err_detail;
+
+  return NULL;
+}
+
+aom_codec_err_t aom_codec_destroy(aom_codec_ctx_t *ctx) {
+  aom_codec_err_t res;
+
+  if (!ctx)
+    res = AOM_CODEC_INVALID_PARAM;
+  else if (!ctx->iface || !ctx->priv)
+    res = AOM_CODEC_ERROR;
+  else {
+    ctx->iface->destroy((aom_codec_alg_priv_t *)ctx->priv);
+
+    ctx->iface = NULL;
+    ctx->name = NULL;
+    ctx->priv = NULL;
+    res = AOM_CODEC_OK;
+  }
+
+  return SAVE_STATUS(ctx, res);
+}
+
+aom_codec_caps_t aom_codec_get_caps(aom_codec_iface_t *iface) {
+  return (iface) ? iface->caps : 0;
+}
+
+aom_codec_err_t aom_codec_control_(aom_codec_ctx_t *ctx, int ctrl_id, ...) {
+  aom_codec_err_t res;
+
+  if (!ctx || !ctrl_id)
+    res = AOM_CODEC_INVALID_PARAM;
+  else if (!ctx->iface || !ctx->priv || !ctx->iface->ctrl_maps)
+    res = AOM_CODEC_ERROR;
+  else {
+    aom_codec_ctrl_fn_map_t *entry;
+
+    res = AOM_CODEC_ERROR;
+
+    for (entry = ctx->iface->ctrl_maps; entry && entry->fn; entry++) {
+      if (!entry->ctrl_id || entry->ctrl_id == ctrl_id) {
+        va_list ap;
+
+        va_start(ap, ctrl_id);
+        res = entry->fn((aom_codec_alg_priv_t *)ctx->priv, ap);
+        va_end(ap);
+        break;
+      }
+    }
+  }
+
+  return SAVE_STATUS(ctx, res);
+}
+
+void aom_internal_error(struct aom_internal_error_info *info,
+                        aom_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);
+}
+
+void aom_merge_corrupted_flag(int *corrupted, int value) {
+  *corrupted |= value;
+}

aom_dsp/aom_convolve.h

+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+#ifndef AOM_DSP_AOM_CONVOLVE_H_
+#define AOM_DSP_AOM_CONVOLVE_H_
+
+#include "./aom_config.h"
+#include "aom/aom_integer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Note: Fixed size intermediate buffers, place limits on parameters
+// of some functions. 2d filtering proceeds in 2 steps:
+//   (1) Interpolate horizontally into an intermediate buffer, temp.
+//   (2) Interpolate temp vertically to derive the sub-pixel result.
+// Deriving the maximum number of rows in the temp buffer (135):
+// --Smallest scaling factor is x1/2 ==> y_step_q4 = 32 (Normative).
+// --Largest block size is 64x64 pixels.
+// --64 rows in the downscaled frame span a distance of (64 - 1) * 32 in the
+//   original frame (in 1/16th pixel units).
+// --Must round-up because block may be located at sub-pixel position.
+// --Require an additional SUBPEL_TAPS rows for the 8-tap filter tails.
+// --((64 - 1) * 32 + 15) >> 4 + 8 = 135.
+#if CONFIG_AV1 && CONFIG_EXT_PARTITION
+#define MAX_EXT_SIZE 263
+#else
+#define MAX_EXT_SIZE 135
+#endif  // CONFIG_AV1 && CONFIG_EXT_PARTITION
+
+#if CONFIG_AV1 && CONFIG_LOOP_RESTORATION
+#define EXTRAPREC_BITS 2
+#define EXTRAPREC_CLAMP_LIMIT(bd) (1 << ((bd) + 1 + EXTRAPREC_BITS))
+#endif
+
+typedef void (*convolve_fn_t)(const uint8_t *src, ptrdiff_t src_stride,
+                              uint8_t *dst, ptrdiff_t dst_stride,
+                              const int16_t *filter_x, int x_step_q4,
+                              const int16_t *filter_y, int y_step_q4, int w,
+                              int h);
+
+typedef void (*highbd_convolve_fn_t)(const uint8_t *src, ptrdiff_t src_stride,
+                                     uint8_t *dst, ptrdiff_t dst_stride,
+                                     const int16_t *filter_x, int x_step_q4,
+                                     const int16_t *filter_y, int y_step_q4,
+                                     int w, int h, int bd);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // AOM_DSP_AOM_CONVOLVE_H_