| /* |
| * 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 "config/aom_config.h" |
| #include "config/aom_version.h" |
| |
| #include "aom/aom_integer.h" |
| #include "aom/internal/aom_codec_internal.h" |
| |
| 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(const 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(const 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) { |
| if (!ctx) { |
| return AOM_CODEC_INVALID_PARAM; |
| } |
| if (!ctx->iface || !ctx->priv) { |
| ctx->err = AOM_CODEC_ERROR; |
| return AOM_CODEC_ERROR; |
| } |
| ctx->iface->destroy((aom_codec_alg_priv_t *)ctx->priv); |
| ctx->iface = NULL; |
| ctx->name = NULL; |
| ctx->priv = NULL; |
| ctx->err = AOM_CODEC_OK; |
| return AOM_CODEC_OK; |
| } |
| |
| 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, ...) { |
| if (!ctx) { |
| return AOM_CODEC_INVALID_PARAM; |
| } |
| // Control ID must be non-zero. |
| if (!ctrl_id) { |
| ctx->err = AOM_CODEC_INVALID_PARAM; |
| return AOM_CODEC_INVALID_PARAM; |
| } |
| if (!ctx->iface || !ctx->priv || !ctx->iface->ctrl_maps) { |
| ctx->err = AOM_CODEC_ERROR; |
| return AOM_CODEC_ERROR; |
| } |
| |
| // "ctrl_maps" is an array of (control ID, function pointer) elements, |
| // with CTRL_MAP_END as a sentinel. |
| for (aom_codec_ctrl_fn_map_t *entry = ctx->iface->ctrl_maps; |
| !at_ctrl_map_end(entry); ++entry) { |
| if (entry->ctrl_id == ctrl_id) { |
| va_list ap; |
| va_start(ap, ctrl_id); |
| ctx->err = entry->fn((aom_codec_alg_priv_t *)ctx->priv, ap); |
| va_end(ap); |
| return ctx->err; |
| } |
| } |
| ctx->err = AOM_CODEC_ERROR; |
| ctx->priv->err_detail = "Invalid control ID"; |
| return AOM_CODEC_ERROR; |
| } |
| |
| aom_codec_err_t aom_codec_set_option(aom_codec_ctx_t *ctx, const char *name, |
| const char *value) { |
| if (!ctx) { |
| return AOM_CODEC_INVALID_PARAM; |
| } |
| if (!ctx->iface || !ctx->priv || !ctx->iface->set_option) { |
| ctx->err = AOM_CODEC_ERROR; |
| return AOM_CODEC_ERROR; |
| } |
| ctx->err = |
| ctx->iface->set_option((aom_codec_alg_priv_t *)ctx->priv, name, value); |
| return ctx->err; |
| } |
| |
| 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; |
| } |
| |
| const char *aom_obu_type_to_string(OBU_TYPE type) { |
| switch (type) { |
| case OBU_SEQUENCE_HEADER: return "OBU_SEQUENCE_HEADER"; |
| case OBU_TEMPORAL_DELIMITER: return "OBU_TEMPORAL_DELIMITER"; |
| case OBU_FRAME_HEADER: return "OBU_FRAME_HEADER"; |
| case OBU_REDUNDANT_FRAME_HEADER: return "OBU_REDUNDANT_FRAME_HEADER"; |
| case OBU_FRAME: return "OBU_FRAME"; |
| case OBU_TILE_GROUP: return "OBU_TILE_GROUP"; |
| case OBU_METADATA: return "OBU_METADATA"; |
| case OBU_TILE_LIST: return "OBU_TILE_LIST"; |
| case OBU_PADDING: return "OBU_PADDING"; |
| default: break; |
| } |
| return "<Invalid OBU Type>"; |
| } |