|  | /* | 
|  | * 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. | 
|  | */ | 
|  |  | 
|  | // Inspect Decoder | 
|  | // ================ | 
|  | // | 
|  | // This is a simple decoder loop that writes JSON stats to stdout. This tool | 
|  | // can also be compiled with Emscripten and used as a library. | 
|  |  | 
|  | #include <stdio.h> | 
|  | #include <stdlib.h> | 
|  | #include <string.h> | 
|  |  | 
|  | #ifdef __EMSCRIPTEN__ | 
|  | #include <emscripten.h> | 
|  | #else | 
|  | #define EMSCRIPTEN_KEEPALIVE | 
|  | #endif | 
|  |  | 
|  | #include "config/aom_config.h" | 
|  |  | 
|  | #include "aom/aom_decoder.h" | 
|  | #include "aom/aomdx.h" | 
|  | #include "av1/common/av1_common_int.h" | 
|  |  | 
|  | #if CONFIG_ACCOUNTING | 
|  | #include "av1/decoder/accounting.h" | 
|  | #endif | 
|  |  | 
|  | #include "av1/decoder/inspection.h" | 
|  | #include "common/args.h" | 
|  | #include "common/tools_common.h" | 
|  | #include "common/video_common.h" | 
|  | #include "common/video_reader.h" | 
|  |  | 
|  | // Max JSON buffer size. | 
|  | const int MAX_BUFFER = 1024 * 1024 * 256; | 
|  |  | 
|  | typedef enum { | 
|  | ACCOUNTING_LAYER = 1, | 
|  | BLOCK_SIZE_LAYER = 1 << 1, | 
|  | TRANSFORM_SIZE_LAYER = 1 << 2, | 
|  | TRANSFORM_TYPE_LAYER = 1 << 3, | 
|  | MODE_LAYER = 1 << 4, | 
|  | SKIP_LAYER = 1 << 5, | 
|  | FILTER_LAYER = 1 << 6, | 
|  | CDEF_LAYER = 1 << 7, | 
|  | REFERENCE_FRAME_LAYER = 1 << 8, | 
|  | MOTION_VECTORS_LAYER = 1 << 9, | 
|  | UV_MODE_LAYER = 1 << 10, | 
|  | CFL_LAYER = 1 << 11, | 
|  | DUAL_FILTER_LAYER = 1 << 12, | 
|  | Q_INDEX_LAYER = 1 << 13, | 
|  | SEGMENT_ID_LAYER = 1 << 14, | 
|  | MOTION_MODE_LAYER = 1 << 15, | 
|  | COMPOUND_TYPE_LAYER = 1 << 16, | 
|  | INTRABC_LAYER = 1 << 17, | 
|  | PALETTE_LAYER = 1 << 18, | 
|  | UV_PALETTE_LAYER = 1 << 19, | 
|  | ALL_LAYERS = (1 << 20) - 1 | 
|  | } LayerType; | 
|  |  | 
|  | static LayerType layers = 0; | 
|  |  | 
|  | static int stop_after = 0; | 
|  | static int compress = 0; | 
|  |  | 
|  | static const arg_def_t limit_arg = | 
|  | ARG_DEF(NULL, "limit", 1, "Stop decoding after n frames"); | 
|  | static const arg_def_t dump_all_arg = ARG_DEF("A", "all", 0, "Dump All"); | 
|  | static const arg_def_t compress_arg = | 
|  | ARG_DEF("x", "compress", 0, "Compress JSON using RLE"); | 
|  | static const arg_def_t dump_accounting_arg = | 
|  | ARG_DEF("a", "accounting", 0, "Dump Accounting"); | 
|  | static const arg_def_t dump_block_size_arg = | 
|  | ARG_DEF("bs", "blockSize", 0, "Dump Block Size"); | 
|  | static const arg_def_t dump_motion_vectors_arg = | 
|  | ARG_DEF("mv", "motionVectors", 0, "Dump Motion Vectors"); | 
|  | static const arg_def_t dump_transform_size_arg = | 
|  | ARG_DEF("ts", "transformSize", 0, "Dump Transform Size"); | 
|  | static const arg_def_t dump_transform_type_arg = | 
|  | ARG_DEF("tt", "transformType", 0, "Dump Transform Type"); | 
|  | static const arg_def_t dump_mode_arg = ARG_DEF("m", "mode", 0, "Dump Mode"); | 
|  | static const arg_def_t dump_motion_mode_arg = | 
|  | ARG_DEF("mm", "motion_mode", 0, "Dump Motion Modes"); | 
|  | static const arg_def_t dump_compound_type_arg = | 
|  | ARG_DEF("ct", "compound_type", 0, "Dump Compound Types"); | 
|  | static const arg_def_t dump_uv_mode_arg = | 
|  | ARG_DEF("uvm", "uv_mode", 0, "Dump UV Intra Prediction Modes"); | 
|  | static const arg_def_t dump_skip_arg = ARG_DEF("s", "skip", 0, "Dump Skip"); | 
|  | static const arg_def_t dump_filter_arg = | 
|  | ARG_DEF("f", "filter", 0, "Dump Filter"); | 
|  | static const arg_def_t dump_cdef_arg = ARG_DEF("c", "cdef", 0, "Dump CDEF"); | 
|  | static const arg_def_t dump_cfl_arg = | 
|  | ARG_DEF("cfl", "chroma_from_luma", 0, "Dump Chroma from Luma Alphas"); | 
|  | static const arg_def_t dump_dual_filter_type_arg = | 
|  | ARG_DEF("df", "dualFilterType", 0, "Dump Dual Filter Type"); | 
|  | static const arg_def_t dump_reference_frame_arg = | 
|  | ARG_DEF("r", "referenceFrame", 0, "Dump Reference Frame"); | 
|  | static const arg_def_t dump_delta_q_arg = | 
|  | ARG_DEF("dq", "delta_q", 0, "Dump QIndex"); | 
|  | static const arg_def_t dump_seg_id_arg = | 
|  | ARG_DEF("si", "seg_id", 0, "Dump Segment ID"); | 
|  | static const arg_def_t dump_intrabc_arg = | 
|  | ARG_DEF("ibc", "intrabc", 0, "Dump If IntraBC Is Used"); | 
|  | static const arg_def_t dump_palette_arg = | 
|  | ARG_DEF("plt", "palette", 0, "Dump Palette Size"); | 
|  | static const arg_def_t dump_uv_palette_arg = | 
|  | ARG_DEF("uvp", "uv_palette", 0, "Dump UV Palette Size"); | 
|  | static const arg_def_t usage_arg = ARG_DEF("h", "help", 0, "Help"); | 
|  | static const arg_def_t skip_non_transform_arg = ARG_DEF( | 
|  | "snt", "skip_non_transform", 1, "Skip is counted as a non transform."); | 
|  | static const arg_def_t combined_arg = | 
|  | ARG_DEF("comb", "combined", 1, "combinining parameters into one output."); | 
|  |  | 
|  | int combined_parm_list[15]; | 
|  | int combined_parm_count = 0; | 
|  |  | 
|  | static const arg_def_t *main_args[] = { &limit_arg, | 
|  | &dump_all_arg, | 
|  | &compress_arg, | 
|  | #if CONFIG_ACCOUNTING | 
|  | &dump_accounting_arg, | 
|  | #endif | 
|  | &dump_block_size_arg, | 
|  | &dump_transform_size_arg, | 
|  | &dump_transform_type_arg, | 
|  | &dump_mode_arg, | 
|  | &dump_uv_mode_arg, | 
|  | &dump_motion_mode_arg, | 
|  | &dump_compound_type_arg, | 
|  | &dump_skip_arg, | 
|  | &dump_filter_arg, | 
|  | &dump_cdef_arg, | 
|  | &dump_dual_filter_type_arg, | 
|  | &dump_cfl_arg, | 
|  | &dump_reference_frame_arg, | 
|  | &dump_motion_vectors_arg, | 
|  | &dump_delta_q_arg, | 
|  | &dump_seg_id_arg, | 
|  | &dump_intrabc_arg, | 
|  | &dump_palette_arg, | 
|  | &dump_uv_palette_arg, | 
|  | &usage_arg, | 
|  | &skip_non_transform_arg, | 
|  | &combined_arg, | 
|  | NULL }; | 
|  | #define ENUM(name) { #name, name } | 
|  | #define LAST_ENUM { NULL, 0 } | 
|  | typedef struct map_entry { | 
|  | const char *name; | 
|  | int value; | 
|  | } map_entry; | 
|  |  | 
|  | const map_entry refs_map[] = { | 
|  | ENUM(INTRA_FRAME),   ENUM(LAST_FRAME),   ENUM(LAST2_FRAME), | 
|  | ENUM(LAST3_FRAME),   ENUM(GOLDEN_FRAME), ENUM(BWDREF_FRAME), | 
|  | ENUM(ALTREF2_FRAME), ENUM(ALTREF_FRAME), LAST_ENUM | 
|  | }; | 
|  |  | 
|  | const map_entry block_size_map[] = { | 
|  | ENUM(BLOCK_4X4),     ENUM(BLOCK_4X8),    ENUM(BLOCK_8X4), | 
|  | ENUM(BLOCK_8X8),     ENUM(BLOCK_8X16),   ENUM(BLOCK_16X8), | 
|  | ENUM(BLOCK_16X16),   ENUM(BLOCK_16X32),  ENUM(BLOCK_32X16), | 
|  | ENUM(BLOCK_32X32),   ENUM(BLOCK_32X64),  ENUM(BLOCK_64X32), | 
|  | ENUM(BLOCK_64X64),   ENUM(BLOCK_64X128), ENUM(BLOCK_128X64), | 
|  | ENUM(BLOCK_128X128), ENUM(BLOCK_4X16),   ENUM(BLOCK_16X4), | 
|  | ENUM(BLOCK_8X32),    ENUM(BLOCK_32X8),   ENUM(BLOCK_16X64), | 
|  | ENUM(BLOCK_64X16),   LAST_ENUM | 
|  | }; | 
|  |  | 
|  | #define TX_SKIP -1 | 
|  |  | 
|  | const map_entry tx_size_map[] = { | 
|  | ENUM(TX_4X4),   ENUM(TX_8X8),   ENUM(TX_16X16), ENUM(TX_32X32), | 
|  | ENUM(TX_64X64), ENUM(TX_4X8),   ENUM(TX_8X4),   ENUM(TX_8X16), | 
|  | ENUM(TX_16X8),  ENUM(TX_16X32), ENUM(TX_32X16), ENUM(TX_32X64), | 
|  | ENUM(TX_64X32), ENUM(TX_4X16),  ENUM(TX_16X4),  ENUM(TX_8X32), | 
|  | ENUM(TX_32X8),  ENUM(TX_16X64), ENUM(TX_64X16), LAST_ENUM | 
|  | }; | 
|  |  | 
|  | const map_entry tx_type_map[] = { ENUM(DCT_DCT), | 
|  | ENUM(ADST_DCT), | 
|  | ENUM(DCT_ADST), | 
|  | ENUM(ADST_ADST), | 
|  | ENUM(FLIPADST_DCT), | 
|  | ENUM(DCT_FLIPADST), | 
|  | ENUM(FLIPADST_FLIPADST), | 
|  | ENUM(ADST_FLIPADST), | 
|  | ENUM(FLIPADST_ADST), | 
|  | ENUM(IDTX), | 
|  | ENUM(V_DCT), | 
|  | ENUM(H_DCT), | 
|  | ENUM(V_ADST), | 
|  | ENUM(H_ADST), | 
|  | ENUM(V_FLIPADST), | 
|  | ENUM(H_FLIPADST), | 
|  | LAST_ENUM }; | 
|  | const map_entry dual_filter_map[] = { ENUM(REG_REG),       ENUM(REG_SMOOTH), | 
|  | ENUM(REG_SHARP),     ENUM(SMOOTH_REG), | 
|  | ENUM(SMOOTH_SMOOTH), ENUM(SMOOTH_SHARP), | 
|  | ENUM(SHARP_REG),     ENUM(SHARP_SMOOTH), | 
|  | ENUM(SHARP_SHARP),   LAST_ENUM }; | 
|  |  | 
|  | const map_entry prediction_mode_map[] = { | 
|  | ENUM(DC_PRED),     ENUM(V_PRED),        ENUM(H_PRED), | 
|  | ENUM(D45_PRED),    ENUM(D135_PRED),     ENUM(D113_PRED), | 
|  | ENUM(D157_PRED),   ENUM(D203_PRED),     ENUM(D67_PRED), | 
|  | ENUM(SMOOTH_PRED), ENUM(SMOOTH_V_PRED), ENUM(SMOOTH_H_PRED), | 
|  | ENUM(PAETH_PRED),  ENUM(NEARESTMV),     ENUM(NEARMV), | 
|  | ENUM(GLOBALMV),    ENUM(NEWMV),         ENUM(NEAREST_NEARESTMV), | 
|  | ENUM(NEAR_NEARMV), ENUM(NEAREST_NEWMV), ENUM(NEW_NEARESTMV), | 
|  | ENUM(NEAR_NEWMV),  ENUM(NEW_NEARMV),    ENUM(GLOBAL_GLOBALMV), | 
|  | ENUM(NEW_NEWMV),   ENUM(INTRA_INVALID), LAST_ENUM | 
|  | }; | 
|  |  | 
|  | const map_entry motion_mode_map[] = { ENUM(SIMPLE_TRANSLATION), | 
|  | ENUM(OBMC_CAUSAL),    // 2-sided OBMC | 
|  | ENUM(WARPED_CAUSAL),  // 2-sided WARPED | 
|  | LAST_ENUM }; | 
|  |  | 
|  | const map_entry compound_type_map[] = { ENUM(COMPOUND_AVERAGE), | 
|  | ENUM(COMPOUND_WEDGE), | 
|  | ENUM(COMPOUND_DIFFWTD), LAST_ENUM }; | 
|  |  | 
|  | const map_entry uv_prediction_mode_map[] = { | 
|  | ENUM(UV_DC_PRED),       ENUM(UV_V_PRED), | 
|  | ENUM(UV_H_PRED),        ENUM(UV_D45_PRED), | 
|  | ENUM(UV_D135_PRED),     ENUM(UV_D113_PRED), | 
|  | ENUM(UV_D157_PRED),     ENUM(UV_D203_PRED), | 
|  | ENUM(UV_D67_PRED),      ENUM(UV_SMOOTH_PRED), | 
|  | ENUM(UV_SMOOTH_V_PRED), ENUM(UV_SMOOTH_H_PRED), | 
|  | ENUM(UV_PAETH_PRED),    ENUM(UV_CFL_PRED), | 
|  | ENUM(UV_MODE_INVALID),  LAST_ENUM | 
|  | }; | 
|  | #define NO_SKIP 0 | 
|  | #define SKIP 1 | 
|  |  | 
|  | const map_entry skip_map[] = { ENUM(SKIP), ENUM(NO_SKIP), LAST_ENUM }; | 
|  |  | 
|  | const map_entry intrabc_map[] = { { "INTRABC", 1 }, | 
|  | { "NO_INTRABC", 0 }, | 
|  | LAST_ENUM }; | 
|  |  | 
|  | const map_entry palette_map[] = { | 
|  | { "ZERO_COLORS", 0 },  { "TWO_COLORS", 2 },   { "THREE_COLORS", 3 }, | 
|  | { "FOUR_COLORS", 4 },  { "FIVE_COLORS", 5 },  { "SIX_COLORS", 6 }, | 
|  | { "SEVEN_COLORS", 7 }, { "EIGHT_COLORS", 8 }, LAST_ENUM | 
|  | }; | 
|  |  | 
|  | const map_entry config_map[] = { ENUM(MI_SIZE), LAST_ENUM }; | 
|  |  | 
|  | static const char *exec_name; | 
|  |  | 
|  | struct parm_offset { | 
|  | char parm[60]; | 
|  | char offset; | 
|  | }; | 
|  | struct parm_offset parm_offsets[] = { | 
|  | { "blockSize", offsetof(insp_mi_data, bsize) }, | 
|  | { "transformSize", offsetof(insp_mi_data, tx_size) }, | 
|  | { "transformType", offsetof(insp_mi_data, tx_type) }, | 
|  | { "dualFilterType", offsetof(insp_mi_data, dual_filter_type) }, | 
|  | { "mode", offsetof(insp_mi_data, mode) }, | 
|  | { "uv_mode", offsetof(insp_mi_data, uv_mode) }, | 
|  | { "motion_mode", offsetof(insp_mi_data, motion_mode) }, | 
|  | { "compound_type", offsetof(insp_mi_data, compound_type) }, | 
|  | { "referenceFrame", offsetof(insp_mi_data, ref_frame) }, | 
|  | { "skip", offsetof(insp_mi_data, skip) }, | 
|  | }; | 
|  | int parm_count = sizeof(parm_offsets) / sizeof(parm_offsets[0]); | 
|  |  | 
|  | static int convert_to_indices(char *str, int *indices, int maxCount, | 
|  | int *count) { | 
|  | *count = 0; | 
|  | do { | 
|  | char *comma = strchr(str, ','); | 
|  | int length = (comma ? (int)(comma - str) : (int)strlen(str)); | 
|  | int i; | 
|  | for (i = 0; i < parm_count; ++i) { | 
|  | if (!strncmp(str, parm_offsets[i].parm, length)) { | 
|  | break; | 
|  | } | 
|  | } | 
|  | if (i == parm_count) return 0; | 
|  | indices[(*count)++] = i; | 
|  | if (*count > maxCount) return 0; | 
|  | str += length + 1; | 
|  | } while (strlen(str) > 0); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | insp_frame_data frame_data; | 
|  | int frame_count = 0; | 
|  | int decoded_frame_count = 0; | 
|  | aom_codec_ctx_t codec; | 
|  | AvxVideoReader *reader = NULL; | 
|  | const AvxVideoInfo *info = NULL; | 
|  | aom_image_t *img = NULL; | 
|  |  | 
|  | static void on_frame_decoded_dump(char *json) { | 
|  | #ifdef __EMSCRIPTEN__ | 
|  | EM_ASM_({ Module.on_frame_decoded_json($0); }, json); | 
|  | #else | 
|  | printf("%s", json); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | // Writing out the JSON buffer using snprintf is very slow, especially when | 
|  | // compiled with emscripten, these functions speed things up quite a bit. | 
|  | static int put_str(char *buffer, const char *str) { | 
|  | int i; | 
|  | for (i = 0; str[i] != '\0'; i++) { | 
|  | buffer[i] = str[i]; | 
|  | } | 
|  | return i; | 
|  | } | 
|  |  | 
|  | static int put_str_with_escape(char *buffer, const char *str) { | 
|  | int i; | 
|  | int j = 0; | 
|  | for (i = 0; str[i] != '\0'; i++) { | 
|  | if (str[i] < ' ') { | 
|  | continue; | 
|  | } else if (str[i] == '"' || str[i] == '\\') { | 
|  | buffer[j++] = '\\'; | 
|  | } | 
|  | buffer[j++] = str[i]; | 
|  | } | 
|  | return j; | 
|  | } | 
|  |  | 
|  | static int put_num(char *buffer, char prefix, int num, char suffix) { | 
|  | int i = 0; | 
|  | char *buf = buffer; | 
|  | int is_neg = 0; | 
|  | if (prefix) { | 
|  | buf[i++] = prefix; | 
|  | } | 
|  | if (num == 0) { | 
|  | buf[i++] = '0'; | 
|  | } else { | 
|  | if (num < 0) { | 
|  | num = -num; | 
|  | is_neg = 1; | 
|  | } | 
|  | int s = i; | 
|  | while (num != 0) { | 
|  | buf[i++] = '0' + (num % 10); | 
|  | num = num / 10; | 
|  | } | 
|  | if (is_neg) { | 
|  | buf[i++] = '-'; | 
|  | } | 
|  | int e = i - 1; | 
|  | while (s < e) { | 
|  | int t = buf[s]; | 
|  | buf[s] = buf[e]; | 
|  | buf[e] = t; | 
|  | s++; | 
|  | e--; | 
|  | } | 
|  | } | 
|  | if (suffix) { | 
|  | buf[i++] = suffix; | 
|  | } | 
|  | return i; | 
|  | } | 
|  |  | 
|  | static int put_map(char *buffer, const map_entry *map) { | 
|  | char *buf = buffer; | 
|  | const map_entry *entry = map; | 
|  | while (entry->name != NULL) { | 
|  | *(buf++) = '"'; | 
|  | buf += put_str(buf, entry->name); | 
|  | *(buf++) = '"'; | 
|  | buf += put_num(buf, ':', entry->value, 0); | 
|  | entry++; | 
|  | if (entry->name != NULL) { | 
|  | *(buf++) = ','; | 
|  | } | 
|  | } | 
|  | return (int)(buf - buffer); | 
|  | } | 
|  |  | 
|  | #if 0 | 
|  | static int put_reference_frame(char *buffer) { | 
|  | const int mi_rows = frame_data.mi_rows; | 
|  | const int mi_cols = frame_data.mi_cols; | 
|  | char *buf = buffer; | 
|  | int r, c, t; | 
|  | buf += put_str(buf, "  \"referenceFrameMap\": {"); | 
|  | buf += put_map(buf, refs_map); | 
|  | buf += put_str(buf, "},\n"); | 
|  | buf += put_str(buf, "  \"referenceFrame\": ["); | 
|  | for (r = 0; r < mi_rows; ++r) { | 
|  | *(buf++) = '['; | 
|  | for (c = 0; c < mi_cols; ++c) { | 
|  | insp_mi_data *mi = &frame_data.mi_grid[r * mi_cols + c]; | 
|  | buf += put_num(buf, '[', mi->ref_frame[0], 0); | 
|  | buf += put_num(buf, ',', mi->ref_frame[1], ']'); | 
|  | if (compress) {  // RLE | 
|  | for (t = c + 1; t < mi_cols; ++t) { | 
|  | insp_mi_data *next_mi = &frame_data.mi_grid[r * mi_cols + t]; | 
|  | if (mi->ref_frame[0] != next_mi->ref_frame[0] || | 
|  | mi->ref_frame[1] != next_mi->ref_frame[1]) { | 
|  | break; | 
|  | } | 
|  | } | 
|  | if (t - c > 1) { | 
|  | *(buf++) = ','; | 
|  | buf += put_num(buf, '[', t - c - 1, ']'); | 
|  | c = t - 1; | 
|  | } | 
|  | } | 
|  | if (c < mi_cols - 1) *(buf++) = ','; | 
|  | } | 
|  | *(buf++) = ']'; | 
|  | if (r < mi_rows - 1) *(buf++) = ','; | 
|  | } | 
|  | buf += put_str(buf, "],\n"); | 
|  | return (int)(buf - buffer); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | static int put_motion_vectors(char *buffer) { | 
|  | const int mi_rows = frame_data.mi_rows; | 
|  | const int mi_cols = frame_data.mi_cols; | 
|  | char *buf = buffer; | 
|  | int r, c, t; | 
|  | buf += put_str(buf, "  \"motionVectors\": ["); | 
|  | for (r = 0; r < mi_rows; ++r) { | 
|  | *(buf++) = '['; | 
|  | for (c = 0; c < mi_cols; ++c) { | 
|  | insp_mi_data *mi = &frame_data.mi_grid[r * mi_cols + c]; | 
|  | buf += put_num(buf, '[', mi->mv[0].col, 0); | 
|  | buf += put_num(buf, ',', mi->mv[0].row, 0); | 
|  | buf += put_num(buf, ',', mi->mv[1].col, 0); | 
|  | buf += put_num(buf, ',', mi->mv[1].row, ']'); | 
|  | if (compress) {  // RLE | 
|  | for (t = c + 1; t < mi_cols; ++t) { | 
|  | insp_mi_data *next_mi = &frame_data.mi_grid[r * mi_cols + t]; | 
|  | if (mi->mv[0].col != next_mi->mv[0].col || | 
|  | mi->mv[0].row != next_mi->mv[0].row || | 
|  | mi->mv[1].col != next_mi->mv[1].col || | 
|  | mi->mv[1].row != next_mi->mv[1].row) { | 
|  | break; | 
|  | } | 
|  | } | 
|  | if (t - c > 1) { | 
|  | *(buf++) = ','; | 
|  | buf += put_num(buf, '[', t - c - 1, ']'); | 
|  | c = t - 1; | 
|  | } | 
|  | } | 
|  | if (c < mi_cols - 1) *(buf++) = ','; | 
|  | } | 
|  | *(buf++) = ']'; | 
|  | if (r < mi_rows - 1) *(buf++) = ','; | 
|  | } | 
|  | buf += put_str(buf, "],\n"); | 
|  | return (int)(buf - buffer); | 
|  | } | 
|  |  | 
|  | static int put_combined(char *buffer) { | 
|  | const int mi_rows = frame_data.mi_rows; | 
|  | const int mi_cols = frame_data.mi_cols; | 
|  | char *buf = buffer; | 
|  | int r, c, p; | 
|  | buf += put_str(buf, "  \""); | 
|  | for (p = 0; p < combined_parm_count; ++p) { | 
|  | if (p) buf += put_str(buf, "&"); | 
|  | buf += put_str(buf, parm_offsets[combined_parm_list[p]].parm); | 
|  | } | 
|  | buf += put_str(buf, "\": ["); | 
|  | for (r = 0; r < mi_rows; ++r) { | 
|  | *(buf++) = '['; | 
|  | for (c = 0; c < mi_cols; ++c) { | 
|  | insp_mi_data *mi = &frame_data.mi_grid[r * mi_cols + c]; | 
|  | *(buf++) = '['; | 
|  | for (p = 0; p < combined_parm_count; ++p) { | 
|  | if (p) *(buf++) = ','; | 
|  | int16_t *v = (int16_t *)(((int8_t *)mi) + | 
|  | parm_offsets[combined_parm_list[p]].offset); | 
|  | buf += put_num(buf, 0, v[0], 0); | 
|  | } | 
|  | *(buf++) = ']'; | 
|  | if (c < mi_cols - 1) *(buf++) = ','; | 
|  | } | 
|  | *(buf++) = ']'; | 
|  | if (r < mi_rows - 1) *(buf++) = ','; | 
|  | } | 
|  | buf += put_str(buf, "],\n"); | 
|  | return (int)(buf - buffer); | 
|  | } | 
|  |  | 
|  | static int put_block_info(char *buffer, const map_entry *map, const char *name, | 
|  | size_t offset, int len) { | 
|  | const int mi_rows = frame_data.mi_rows; | 
|  | const int mi_cols = frame_data.mi_cols; | 
|  | char *buf = buffer; | 
|  | int r, c, t, i; | 
|  | if (compress && len == 1) { | 
|  | die("Can't encode scalars as arrays when RLE compression is enabled."); | 
|  | } | 
|  | if (map) { | 
|  | buf += snprintf(buf, MAX_BUFFER, "  \"%sMap\": {", name); | 
|  | buf += put_map(buf, map); | 
|  | buf += put_str(buf, "},\n"); | 
|  | } | 
|  | buf += snprintf(buf, MAX_BUFFER, "  \"%s\": [", name); | 
|  | for (r = 0; r < mi_rows; ++r) { | 
|  | *(buf++) = '['; | 
|  | for (c = 0; c < mi_cols; ++c) { | 
|  | insp_mi_data *mi = &frame_data.mi_grid[r * mi_cols + c]; | 
|  | int16_t *v = (int16_t *)(((int8_t *)mi) + offset); | 
|  | if (len == 0) { | 
|  | buf += put_num(buf, 0, v[0], 0); | 
|  | } else { | 
|  | buf += put_str(buf, "["); | 
|  | for (i = 0; i < len; i++) { | 
|  | buf += put_num(buf, 0, v[i], 0); | 
|  | if (i < len - 1) { | 
|  | buf += put_str(buf, ","); | 
|  | } | 
|  | } | 
|  | buf += put_str(buf, "]"); | 
|  | } | 
|  | if (compress) {  // RLE | 
|  | for (t = c + 1; t < mi_cols; ++t) { | 
|  | insp_mi_data *next_mi = &frame_data.mi_grid[r * mi_cols + t]; | 
|  | int16_t *nv = (int16_t *)(((int8_t *)next_mi) + offset); | 
|  | int same = 0; | 
|  | if (len == 0) { | 
|  | same = v[0] == nv[0]; | 
|  | } else { | 
|  | for (i = 0; i < len; i++) { | 
|  | same = v[i] == nv[i]; | 
|  | if (!same) { | 
|  | break; | 
|  | } | 
|  | } | 
|  | } | 
|  | if (!same) { | 
|  | break; | 
|  | } | 
|  | } | 
|  | if (t - c > 1) { | 
|  | *(buf++) = ','; | 
|  | buf += put_num(buf, '[', t - c - 1, ']'); | 
|  | c = t - 1; | 
|  | } | 
|  | } | 
|  | if (c < mi_cols - 1) *(buf++) = ','; | 
|  | } | 
|  | *(buf++) = ']'; | 
|  | if (r < mi_rows - 1) *(buf++) = ','; | 
|  | } | 
|  | buf += put_str(buf, "],\n"); | 
|  | return (int)(buf - buffer); | 
|  | } | 
|  |  | 
|  | #if CONFIG_ACCOUNTING | 
|  | static int put_accounting(char *buffer) { | 
|  | char *buf = buffer; | 
|  | int i; | 
|  | const Accounting *accounting = frame_data.accounting; | 
|  | if (accounting == NULL) { | 
|  | printf("XXX\n"); | 
|  | return 0; | 
|  | } | 
|  | const int num_syms = accounting->syms.num_syms; | 
|  | const int num_strs = accounting->syms.dictionary.num_strs; | 
|  | buf += put_str(buf, "  \"symbolsMap\": ["); | 
|  | for (i = 0; i < num_strs; i++) { | 
|  | buf += snprintf(buf, MAX_BUFFER, "\"%s\"", | 
|  | accounting->syms.dictionary.strs[i]); | 
|  | if (i < num_strs - 1) *(buf++) = ','; | 
|  | } | 
|  | buf += put_str(buf, "],\n"); | 
|  | buf += put_str(buf, "  \"symbols\": [\n    "); | 
|  | AccountingSymbolContext context; | 
|  | context.x = -2; | 
|  | context.y = -2; | 
|  | AccountingSymbol *sym; | 
|  | for (i = 0; i < num_syms; i++) { | 
|  | sym = &accounting->syms.syms[i]; | 
|  | if (memcmp(&context, &sym->context, sizeof(AccountingSymbolContext)) != 0) { | 
|  | buf += put_num(buf, '[', sym->context.x, 0); | 
|  | buf += put_num(buf, ',', sym->context.y, ']'); | 
|  | } else { | 
|  | buf += put_num(buf, '[', sym->id, 0); | 
|  | buf += put_num(buf, ',', sym->bits, 0); | 
|  | buf += put_num(buf, ',', sym->samples, ']'); | 
|  | } | 
|  | context = sym->context; | 
|  | if (i < num_syms - 1) *(buf++) = ','; | 
|  | } | 
|  | buf += put_str(buf, "],\n"); | 
|  | return (int)(buf - buffer); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | int skip_non_transform = 0; | 
|  |  | 
|  | static void inspect(void *pbi, void *data) { | 
|  | /* Fetch frame data. */ | 
|  | ifd_inspect(&frame_data, pbi, skip_non_transform); | 
|  |  | 
|  | // Show existing frames just show a reference buffer we've already decoded. | 
|  | // There's no information to show. | 
|  | if (frame_data.show_existing_frame) return; | 
|  |  | 
|  | (void)data; | 
|  | // We allocate enough space and hope we don't write out of bounds. Totally | 
|  | // unsafe but this speeds things up, especially when compiled to Javascript. | 
|  | char *buffer = malloc(MAX_BUFFER); | 
|  | if (!buffer) { | 
|  | fprintf(stderr, "Error allocating inspect info buffer\n"); | 
|  | abort(); | 
|  | } | 
|  | char *buf = buffer; | 
|  | buf += put_str(buf, "{\n"); | 
|  | if (layers & BLOCK_SIZE_LAYER) { | 
|  | buf += put_block_info(buf, block_size_map, "blockSize", | 
|  | offsetof(insp_mi_data, bsize), 0); | 
|  | } | 
|  | if (layers & TRANSFORM_SIZE_LAYER) { | 
|  | buf += put_block_info(buf, tx_size_map, "transformSize", | 
|  | offsetof(insp_mi_data, tx_size), 0); | 
|  | } | 
|  | if (layers & TRANSFORM_TYPE_LAYER) { | 
|  | buf += put_block_info(buf, tx_type_map, "transformType", | 
|  | offsetof(insp_mi_data, tx_type), 0); | 
|  | } | 
|  | if (layers & DUAL_FILTER_LAYER) { | 
|  | buf += put_block_info(buf, dual_filter_map, "dualFilterType", | 
|  | offsetof(insp_mi_data, dual_filter_type), 0); | 
|  | } | 
|  | if (layers & MODE_LAYER) { | 
|  | buf += put_block_info(buf, prediction_mode_map, "mode", | 
|  | offsetof(insp_mi_data, mode), 0); | 
|  | } | 
|  | if (layers & UV_MODE_LAYER) { | 
|  | buf += put_block_info(buf, uv_prediction_mode_map, "uv_mode", | 
|  | offsetof(insp_mi_data, uv_mode), 0); | 
|  | } | 
|  | if (layers & MOTION_MODE_LAYER) { | 
|  | buf += put_block_info(buf, motion_mode_map, "motion_mode", | 
|  | offsetof(insp_mi_data, motion_mode), 0); | 
|  | } | 
|  | if (layers & COMPOUND_TYPE_LAYER) { | 
|  | buf += put_block_info(buf, compound_type_map, "compound_type", | 
|  | offsetof(insp_mi_data, compound_type), 0); | 
|  | } | 
|  | if (layers & SKIP_LAYER) { | 
|  | buf += | 
|  | put_block_info(buf, skip_map, "skip", offsetof(insp_mi_data, skip), 0); | 
|  | } | 
|  | if (layers & FILTER_LAYER) { | 
|  | buf += | 
|  | put_block_info(buf, NULL, "filter", offsetof(insp_mi_data, filter), 2); | 
|  | } | 
|  | if (layers & CDEF_LAYER) { | 
|  | buf += put_block_info(buf, NULL, "cdef_level", | 
|  | offsetof(insp_mi_data, cdef_level), 0); | 
|  | buf += put_block_info(buf, NULL, "cdef_strength", | 
|  | offsetof(insp_mi_data, cdef_strength), 0); | 
|  | } | 
|  | if (layers & CFL_LAYER) { | 
|  | buf += put_block_info(buf, NULL, "cfl_alpha_idx", | 
|  | offsetof(insp_mi_data, cfl_alpha_idx), 0); | 
|  | buf += put_block_info(buf, NULL, "cfl_alpha_sign", | 
|  | offsetof(insp_mi_data, cfl_alpha_sign), 0); | 
|  | } | 
|  | if (layers & Q_INDEX_LAYER) { | 
|  | buf += put_block_info(buf, NULL, "delta_q", | 
|  | offsetof(insp_mi_data, current_qindex), 0); | 
|  | } | 
|  | if (layers & SEGMENT_ID_LAYER) { | 
|  | buf += put_block_info(buf, NULL, "seg_id", | 
|  | offsetof(insp_mi_data, segment_id), 0); | 
|  | } | 
|  | if (layers & MOTION_VECTORS_LAYER) { | 
|  | buf += put_motion_vectors(buf); | 
|  | } | 
|  | if (layers & INTRABC_LAYER) { | 
|  | buf += put_block_info(buf, intrabc_map, "intrabc", | 
|  | offsetof(insp_mi_data, intrabc), 0); | 
|  | } | 
|  | if (layers & PALETTE_LAYER) { | 
|  | buf += put_block_info(buf, palette_map, "palette", | 
|  | offsetof(insp_mi_data, palette), 0); | 
|  | } | 
|  | if (layers & UV_PALETTE_LAYER) { | 
|  | buf += put_block_info(buf, palette_map, "uv_palette", | 
|  | offsetof(insp_mi_data, uv_palette), 0); | 
|  | } | 
|  | if (combined_parm_count > 0) buf += put_combined(buf); | 
|  | if (layers & REFERENCE_FRAME_LAYER) { | 
|  | buf += put_block_info(buf, refs_map, "referenceFrame", | 
|  | offsetof(insp_mi_data, ref_frame), 2); | 
|  | } | 
|  | #if CONFIG_ACCOUNTING | 
|  | if (layers & ACCOUNTING_LAYER) { | 
|  | buf += put_accounting(buf); | 
|  | } | 
|  | #endif | 
|  | buf += | 
|  | snprintf(buf, MAX_BUFFER, "  \"frame\": %d,\n", frame_data.frame_number); | 
|  | buf += snprintf(buf, MAX_BUFFER, "  \"showFrame\": %d,\n", | 
|  | frame_data.show_frame); | 
|  | buf += snprintf(buf, MAX_BUFFER, "  \"frameType\": %d,\n", | 
|  | frame_data.frame_type); | 
|  | buf += snprintf(buf, MAX_BUFFER, "  \"baseQIndex\": %d,\n", | 
|  | frame_data.base_qindex); | 
|  | buf += snprintf(buf, MAX_BUFFER, "  \"tileCols\": %d,\n", | 
|  | frame_data.tile_mi_cols); | 
|  | buf += snprintf(buf, MAX_BUFFER, "  \"tileRows\": %d,\n", | 
|  | frame_data.tile_mi_rows); | 
|  | buf += snprintf(buf, MAX_BUFFER, "  \"deltaQPresentFlag\": %d,\n", | 
|  | frame_data.delta_q_present_flag); | 
|  | buf += snprintf(buf, MAX_BUFFER, "  \"deltaQRes\": %d,\n", | 
|  | frame_data.delta_q_res); | 
|  | buf += put_str(buf, "  \"config\": {"); | 
|  | buf += put_map(buf, config_map); | 
|  | buf += put_str(buf, "},\n"); | 
|  | buf += put_str(buf, "  \"configString\": \""); | 
|  | buf += put_str_with_escape(buf, aom_codec_build_config()); | 
|  | buf += put_str(buf, "\"\n"); | 
|  | decoded_frame_count++; | 
|  | buf += put_str(buf, "},\n"); | 
|  | *(buf++) = 0; | 
|  | on_frame_decoded_dump(buffer); | 
|  | free(buffer); | 
|  | } | 
|  |  | 
|  | static void ifd_init_cb(void) { | 
|  | aom_inspect_init ii; | 
|  | ii.inspect_cb = inspect; | 
|  | ii.inspect_ctx = NULL; | 
|  | aom_codec_control(&codec, AV1_SET_INSPECTION_CALLBACK, &ii); | 
|  | } | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE int open_file(char *file); | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | int open_file(char *file) { | 
|  | if (file == NULL) { | 
|  | // The JS analyzer puts the .ivf file at this location. | 
|  | file = "/tmp/input.ivf"; | 
|  | } | 
|  | reader = aom_video_reader_open(file); | 
|  | if (!reader) die("Failed to open %s for reading.", file); | 
|  | info = aom_video_reader_get_info(reader); | 
|  | aom_codec_iface_t *decoder = get_aom_decoder_by_fourcc(info->codec_fourcc); | 
|  | if (!decoder) die("Unknown input codec."); | 
|  | fprintf(stderr, "Using %s\n", aom_codec_iface_name(decoder)); | 
|  | if (aom_codec_dec_init(&codec, decoder, NULL, 0)) | 
|  | die("Failed to initialize decoder."); | 
|  | ifd_init(&frame_data, info->frame_width, info->frame_height); | 
|  | ifd_init_cb(); | 
|  | return EXIT_SUCCESS; | 
|  | } | 
|  |  | 
|  | Av1DecodeReturn adr; | 
|  | int have_frame = 0; | 
|  | const unsigned char *frame; | 
|  | const unsigned char *end_frame; | 
|  | size_t frame_size = 0; | 
|  | struct av1_ref_frame ref_dec; | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE int read_frame(void); | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | int read_frame(void) { | 
|  | img = NULL; | 
|  |  | 
|  | // This loop skips over any frames that are show_existing_frames,  as | 
|  | // there is nothing to analyze. | 
|  | do { | 
|  | if (!have_frame) { | 
|  | if (!aom_video_reader_read_frame(reader)) return EXIT_FAILURE; | 
|  | frame = aom_video_reader_get_frame(reader, &frame_size); | 
|  |  | 
|  | have_frame = 1; | 
|  | end_frame = frame + frame_size; | 
|  | } | 
|  |  | 
|  | if (aom_codec_decode(&codec, frame, (unsigned int)frame_size, &adr) != | 
|  | AOM_CODEC_OK) { | 
|  | die_codec(&codec, "Failed to decode frame."); | 
|  | } | 
|  |  | 
|  | frame = adr.buf; | 
|  | frame_size = end_frame - frame; | 
|  | if (frame == end_frame) have_frame = 0; | 
|  | } while (adr.show_existing); | 
|  |  | 
|  | int got_any_frames = 0; | 
|  | aom_image_t *frame_img; | 
|  | ref_dec.idx = adr.idx; | 
|  |  | 
|  | // ref_dec.idx is the index to the reference buffer idx to AV1_GET_REFERENCE | 
|  | // if its -1 the decoder didn't update any reference buffer and the only | 
|  | // way to see the frame is aom_codec_get_frame. | 
|  | if (ref_dec.idx == -1) { | 
|  | aom_codec_iter_t iter = NULL; | 
|  | img = frame_img = aom_codec_get_frame(&codec, &iter); | 
|  | ++frame_count; | 
|  | got_any_frames = 1; | 
|  | } else if (!aom_codec_control(&codec, AV1_GET_REFERENCE, &ref_dec)) { | 
|  | img = frame_img = &ref_dec.img; | 
|  | ++frame_count; | 
|  | got_any_frames = 1; | 
|  | } | 
|  | if (!got_any_frames) { | 
|  | return EXIT_FAILURE; | 
|  | } | 
|  | return EXIT_SUCCESS; | 
|  | } | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE const char *get_aom_codec_build_config(void); | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | const char *get_aom_codec_build_config(void) { | 
|  | return aom_codec_build_config(); | 
|  | } | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE int get_bit_depth(void); | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | int get_bit_depth(void) { return img->bit_depth; } | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE int get_bits_per_sample(void); | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | int get_bits_per_sample(void) { return img->bps; } | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE int get_image_format(void); | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | int get_image_format(void) { return img->fmt; } | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE unsigned char *get_plane(int plane); | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | unsigned char *get_plane(int plane) { return img->planes[plane]; } | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE int get_plane_stride(int plane); | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | int get_plane_stride(int plane) { return img->stride[plane]; } | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE int get_plane_width(int plane); | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | int get_plane_width(int plane) { return aom_img_plane_width(img, plane); } | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE int get_plane_height(int plane); | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | int get_plane_height(int plane) { return aom_img_plane_height(img, plane); } | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE int get_frame_width(void); | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | int get_frame_width(void) { return info->frame_width; } | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE int get_frame_height(void); | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | int get_frame_height(void) { return info->frame_height; } | 
|  |  | 
|  | static void parse_args(char **argv) { | 
|  | char **argi, **argj; | 
|  | struct arg arg; | 
|  | (void)dump_accounting_arg; | 
|  | (void)dump_cdef_arg; | 
|  | for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) { | 
|  | arg.argv_step = 1; | 
|  | if (arg_match(&arg, &dump_block_size_arg, argi)) layers |= BLOCK_SIZE_LAYER; | 
|  | #if CONFIG_ACCOUNTING | 
|  | else if (arg_match(&arg, &dump_accounting_arg, argi)) | 
|  | layers |= ACCOUNTING_LAYER; | 
|  | #endif | 
|  | else if (arg_match(&arg, &dump_transform_size_arg, argi)) | 
|  | layers |= TRANSFORM_SIZE_LAYER; | 
|  | else if (arg_match(&arg, &dump_transform_type_arg, argi)) | 
|  | layers |= TRANSFORM_TYPE_LAYER; | 
|  | else if (arg_match(&arg, &dump_mode_arg, argi)) | 
|  | layers |= MODE_LAYER; | 
|  | else if (arg_match(&arg, &dump_uv_mode_arg, argi)) | 
|  | layers |= UV_MODE_LAYER; | 
|  | else if (arg_match(&arg, &dump_motion_mode_arg, argi)) | 
|  | layers |= MOTION_MODE_LAYER; | 
|  | else if (arg_match(&arg, &dump_compound_type_arg, argi)) | 
|  | layers |= COMPOUND_TYPE_LAYER; | 
|  | else if (arg_match(&arg, &dump_skip_arg, argi)) | 
|  | layers |= SKIP_LAYER; | 
|  | else if (arg_match(&arg, &dump_filter_arg, argi)) | 
|  | layers |= FILTER_LAYER; | 
|  | else if (arg_match(&arg, &dump_cdef_arg, argi)) | 
|  | layers |= CDEF_LAYER; | 
|  | else if (arg_match(&arg, &dump_cfl_arg, argi)) | 
|  | layers |= CFL_LAYER; | 
|  | else if (arg_match(&arg, &dump_reference_frame_arg, argi)) | 
|  | layers |= REFERENCE_FRAME_LAYER; | 
|  | else if (arg_match(&arg, &dump_motion_vectors_arg, argi)) | 
|  | layers |= MOTION_VECTORS_LAYER; | 
|  | else if (arg_match(&arg, &dump_dual_filter_type_arg, argi)) | 
|  | layers |= DUAL_FILTER_LAYER; | 
|  | else if (arg_match(&arg, &dump_delta_q_arg, argi)) | 
|  | layers |= Q_INDEX_LAYER; | 
|  | else if (arg_match(&arg, &dump_seg_id_arg, argi)) | 
|  | layers |= SEGMENT_ID_LAYER; | 
|  | else if (arg_match(&arg, &dump_intrabc_arg, argi)) | 
|  | layers |= INTRABC_LAYER; | 
|  | else if (arg_match(&arg, &dump_palette_arg, argi)) | 
|  | layers |= PALETTE_LAYER; | 
|  | else if (arg_match(&arg, &dump_uv_palette_arg, argi)) | 
|  | layers |= UV_PALETTE_LAYER; | 
|  | else if (arg_match(&arg, &dump_all_arg, argi)) | 
|  | layers |= ALL_LAYERS; | 
|  | else if (arg_match(&arg, &compress_arg, argi)) | 
|  | compress = 1; | 
|  | else if (arg_match(&arg, &usage_arg, argi)) | 
|  | usage_exit(); | 
|  | else if (arg_match(&arg, &limit_arg, argi)) | 
|  | stop_after = arg_parse_uint(&arg); | 
|  | else if (arg_match(&arg, &skip_non_transform_arg, argi)) | 
|  | skip_non_transform = arg_parse_uint(&arg); | 
|  | else if (arg_match(&arg, &combined_arg, argi)) | 
|  | convert_to_indices( | 
|  | (char *)arg.val, combined_parm_list, | 
|  | sizeof(combined_parm_list) / sizeof(combined_parm_list[0]), | 
|  | &combined_parm_count); | 
|  | else | 
|  | argj++; | 
|  | } | 
|  | } | 
|  |  | 
|  | static const char *exec_name; | 
|  |  | 
|  | void usage_exit(void) { | 
|  | fprintf(stderr, "Usage: %s src_filename <options>\n", exec_name); | 
|  | fprintf(stderr, "\nOptions:\n"); | 
|  | arg_show_usage(stderr, main_args); | 
|  | exit(EXIT_FAILURE); | 
|  | } | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | int main(int argc, char **argv) { | 
|  | exec_name = argv[0]; | 
|  | parse_args(argv); | 
|  | if (argc >= 2) { | 
|  | open_file(argv[1]); | 
|  | printf("[\n"); | 
|  | while (1) { | 
|  | if (stop_after && (decoded_frame_count >= stop_after)) break; | 
|  | if (read_frame()) break; | 
|  | } | 
|  | printf("null\n"); | 
|  | printf("]"); | 
|  | } else { | 
|  | usage_exit(); | 
|  | } | 
|  | } | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE void quit(void); | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | void quit(void) { | 
|  | if (aom_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec"); | 
|  | aom_video_reader_close(reader); | 
|  | } | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE void set_layers(LayerType v); | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | void set_layers(LayerType v) { layers = v; } | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE void set_compress(int v); | 
|  |  | 
|  | EMSCRIPTEN_KEEPALIVE | 
|  | void set_compress(int v) { compress = v; } |