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beamcoder_util.cc
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/*
Aerostat Beam Coder - Node.js native bindings for FFmpeg.
Copyright (C) 2019 Streampunk Media Ltd.
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 3 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, see <https://www.gnu.org/licenses/>.
https://www.streampunk.media/ mailto:furnace@streampunk.media
14 Ormiscaig, Aultbea, Achnasheen, IV22 2JJ U.K.
*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <chrono>
#include <string>
#include "beamcoder_util.h"
#include "node_api.h"
napi_status checkStatus(napi_env env, napi_status status,
const char* file, uint32_t line) {
napi_status infoStatus, throwStatus;
const napi_extended_error_info *errorInfo;
if (status == napi_ok) {
// printf("Received status OK.\n");
return status;
}
infoStatus = napi_get_last_error_info(env, &errorInfo);
assert(infoStatus == napi_ok);
printf("NAPI error in file %s on line %i. Error %i: %s\n", file, line,
errorInfo->error_code, errorInfo->error_message);
if (status == napi_pending_exception) {
printf("NAPI pending exception. Engine error code: %i\n", errorInfo->engine_error_code);
return status;
}
char errorCode[20];
sprintf(errorCode, "%d", errorInfo->error_code);
throwStatus = napi_throw_error(env, errorCode, errorInfo->error_message);
assert(throwStatus == napi_ok);
return napi_pending_exception; // Expect to be cast to void
}
long long microTime(std::chrono::high_resolution_clock::time_point start) {
auto elapsed = std::chrono::high_resolution_clock::now() - start;
return std::chrono::duration_cast<std::chrono::microseconds>(elapsed).count();
}
const char* getNapiTypeName(napi_valuetype t) {
switch (t) {
case napi_undefined: return "undefined";
case napi_null: return "null";
case napi_boolean: return "boolean";
case napi_number: return "number";
case napi_string: return "string";
case napi_symbol: return "symbol";
case napi_object: return "object";
case napi_function: return "function";
case napi_external: return "external";
default: return "unknown";
}
}
napi_status checkArgs(napi_env env, napi_callback_info info, char* methodName,
napi_value* args, size_t argc, napi_valuetype* types) {
napi_status status;
size_t realArgc = argc;
status = napi_get_cb_info(env, info, &realArgc, args, nullptr, nullptr);
PASS_STATUS;
if (realArgc != argc) {
char errorMsg[100];
sprintf(errorMsg, "For method %s, expected %zi arguments and got %zi.",
methodName, argc, realArgc);
napi_throw_error(env, nullptr, errorMsg);
return napi_pending_exception;
}
napi_valuetype t;
for ( size_t x = 0 ; x < argc ; x++ ) {
status = napi_typeof(env, args[x], &t);
PASS_STATUS;
if (t != types[x]) {
char errorMsg[100];
sprintf(errorMsg, "For method %s argument %zu, expected type %s and got %s.",
methodName, x + 1, getNapiTypeName(types[x]), getNapiTypeName(t));
napi_throw_error(env, nullptr, errorMsg);
return napi_pending_exception;
}
}
return napi_ok;
};
void tidyCarrier(napi_env env, carrier* c) {
napi_status status;
if (c->passthru != nullptr) {
status = napi_delete_reference(env, c->passthru);
FLOATING_STATUS;
}
if (c->_request != nullptr) {
status = napi_delete_async_work(env, c->_request);
FLOATING_STATUS;
}
// printf("Tidying carrier %p %p\n", c->passthru, c->_request);
delete c;
}
int32_t rejectStatus(napi_env env, carrier* c, char* file, int32_t line) {
if (c->status != BEAMCODER_SUCCESS) {
napi_value errorValue, errorCode, errorMsg;
napi_status status;
if (c->status < BEAMCODER_ERROR_START) {
const napi_extended_error_info *errorInfo;
status = napi_get_last_error_info(env, &errorInfo);
FLOATING_STATUS;
c->errorMsg = std::string(
(errorInfo->error_message != nullptr) ? errorInfo->error_message : "(no message)");
}
char* extMsg = (char *) malloc(sizeof(char) * c->errorMsg.length() + 200);
sprintf(extMsg, "In file %s on line %i, found error: %s", file, line, c->errorMsg.c_str());
char errorCodeChars[20];
sprintf(errorCodeChars, "%d", c->status);
status = napi_create_string_utf8(env, errorCodeChars,
NAPI_AUTO_LENGTH, &errorCode);
FLOATING_STATUS;
status = napi_create_string_utf8(env, extMsg, NAPI_AUTO_LENGTH, &errorMsg);
FLOATING_STATUS;
status = napi_create_error(env, errorCode, errorMsg, &errorValue);
FLOATING_STATUS;
status = napi_reject_deferred(env, c->_deferred, errorValue);
FLOATING_STATUS;
delete[] extMsg;
tidyCarrier(env, c);
}
return c->status;
}
// Should never get called
napi_value nop(napi_env env, napi_callback_info info) {
napi_value value;
napi_status status;
status = napi_get_undefined(env, &value);
if (status != napi_ok) NAPI_THROW_ERROR("Failed to retrieve undefined in nop.");
return value;
}
char* avErrorMsg(const char* base, int avError) {
char errMsg[AV_ERROR_MAX_STRING_SIZE];
char* both;
int ret = av_strerror(avError, errMsg, AV_ERROR_MAX_STRING_SIZE);
if (ret < 0) {
strcpy(errMsg, "Unable to create AV error string.");
}
size_t len = strlen(base) + strlen(errMsg);
both = (char*) malloc(sizeof(char) * (len + 1));
both[0] = '\0';
strcat(both, base);
strcat(both, errMsg);
return both;
}
napi_status beam_set_uint32(napi_env env, napi_value target, const char* name, uint32_t value) {
napi_status status;
napi_value prop;
status = napi_create_uint32(env, value, &prop);
PASS_STATUS;
return napi_set_named_property(env, target, name, prop);
}
napi_status beam_get_uint32(napi_env env, napi_value target, char* name, uint32_t* value) {
napi_status status;
napi_value prop;
status = napi_get_named_property(env, target, name, &prop);
PASS_STATUS;
status = napi_get_value_uint32(env, prop, value);
ACCEPT_STATUS(napi_number_expected);
return napi_ok;
}
napi_status beam_set_int32(napi_env env, napi_value target, const char* name, int32_t value) {
napi_status status;
napi_value prop;
status = napi_create_int32(env, value, &prop);
PASS_STATUS;
return napi_set_named_property(env, target, name, prop);
}
napi_status beam_get_int32(napi_env env, napi_value target, const char* name, int32_t* value) {
napi_status status;
napi_value prop;
status = napi_get_named_property(env, target, name, &prop);
PASS_STATUS;
status = napi_get_value_int32(env, prop, value);
ACCEPT_STATUS(napi_number_expected);
return napi_ok;
}
napi_status beam_set_int64(napi_env env, napi_value target, const char* name, int64_t value) {
napi_status status;
napi_value prop;
status = napi_create_int64(env, value, &prop);
PASS_STATUS;
return napi_set_named_property(env, target, name, prop);
}
napi_status beam_get_int64(napi_env env, napi_value target, const char* name, int64_t* value) {
napi_status status;
napi_value prop;
status = napi_get_named_property(env, target, name, &prop);
PASS_STATUS;
status = napi_get_value_int64(env, prop, value);
ACCEPT_STATUS(napi_number_expected);
return napi_ok;
}
napi_status beam_set_double(napi_env env, napi_value target, const char* name, double value) {
napi_status status;
napi_value prop;
status = napi_create_double(env, value, &prop);
PASS_STATUS;
return napi_set_named_property(env, target, name, prop);
}
napi_status beam_get_double(napi_env env, napi_value target, const char* name, double* value) {
napi_status status;
napi_value prop;
status = napi_get_named_property(env, target, name, &prop);
PASS_STATUS;
status = napi_get_value_double(env, prop, value);
ACCEPT_STATUS(napi_number_expected);
return napi_ok;
}
napi_status beam_set_string_utf8(napi_env env, napi_value target, const char* name, const char* value) {
napi_status status;
napi_value prop;
if (value == nullptr) {
status = napi_get_null(env, &prop);
}
else {
status = napi_create_string_utf8(env, value, NAPI_AUTO_LENGTH, &prop);
}
ACCEPT_STATUS(napi_string_expected);
return napi_set_named_property(env, target, name, prop);
}
// TODO improve memory management
napi_status beam_get_string_utf8(napi_env env, napi_value target, const char* name, char** value) {
napi_status status;
napi_value prop;
char* str;
size_t len;
status = napi_get_named_property(env, target, name, &prop);
PASS_STATUS;
status = napi_get_value_string_utf8(env, prop, nullptr, 0, &len);
if (status == napi_string_expected) {
*value = nullptr;
return napi_ok;
}
PASS_STATUS;
str = (char*) malloc(sizeof(char) * (len + 1));
status = napi_get_value_string_utf8(env, prop, str, len + 1, &len);
PASS_STATUS;
*value = str;
return napi_ok;
}
napi_status beam_set_bool(napi_env env, napi_value target, const char* name, bool value) {
napi_status status;
napi_value prop;
status = napi_get_boolean(env, value, &prop);
PASS_STATUS;
return napi_set_named_property(env, target, name, prop);
}
napi_status beam_get_bool(napi_env env, napi_value target, const char* name, bool* present, bool* value) {
napi_status status;
napi_value prop;
status = napi_get_named_property(env, target, name, &prop);
PASS_STATUS;
status = napi_get_value_bool(env, prop, value);
if (status == napi_boolean_expected) {
*present = false;
status = napi_ok;
}
else {
*present = true;
}
PASS_STATUS;
return napi_ok;
}
napi_status beam_set_rational(napi_env env, napi_value target, const char* name, AVRational value) {
napi_status status;
napi_value pair, element;
status = napi_create_array(env, &pair);
PASS_STATUS;
status = napi_create_int32(env, value.num, &element);
PASS_STATUS;
status = napi_set_element(env, pair, 0, element);
PASS_STATUS;
status = napi_create_int32(env, value.den, &element);
PASS_STATUS;
status = napi_set_element(env, pair, 1, element);
PASS_STATUS;
return napi_set_named_property(env, target, name, pair);
}
napi_status beam_get_rational(napi_env env, napi_value target, const char* name, AVRational* value) {
napi_status status;
napi_value prop, element;
int32_t num = 0, den = 1;
bool isArray;
status = napi_get_named_property(env, target, name, &prop);
PASS_STATUS;
status = napi_is_array(env, prop, &isArray);
PASS_STATUS;
if (isArray) {
status = napi_get_element(env, prop, 0, &element);
PASS_STATUS;
status = napi_get_value_int32(env, element, &num);
ACCEPT_STATUS(napi_number_expected);
status = napi_get_element(env, prop, 1, &element);
PASS_STATUS;
status = napi_get_value_int32(env, element, &den);
ACCEPT_STATUS(napi_number_expected);
}
*value = av_make_q(num, den);
return napi_ok;
}
napi_status beam_set_null(napi_env env, napi_value target, const char* name) {
napi_status status;
napi_value value;
status = napi_get_null(env, &value);
PASS_STATUS;
status = napi_set_named_property(env, target, name, value);
PASS_STATUS;
return napi_ok;
};
napi_status beam_is_null(napi_env env, napi_value props, const char* name, bool* isNull) {
napi_status status;
napi_value value;
napi_valuetype type;
status = napi_get_named_property(env, props, name, &value);
PASS_STATUS;
status = napi_typeof(env, props, &type);
PASS_STATUS;
*isNull = (type == napi_null);
return napi_ok;
};
napi_status beam_delete_named_property(napi_env env, napi_value props, const char* name, bool* deleted) {
napi_status status;
napi_value jsName;
status = napi_create_string_utf8(env, name, NAPI_AUTO_LENGTH, &jsName);
PASS_STATUS;
status = napi_delete_property(env, props, jsName, deleted);
PASS_STATUS;
return napi_ok;
}
const char* beam_lookup_name(std::unordered_map<int, std::string> m, int value) {
auto search = m.find(value);
if (search != m.end()) {
return strdup(search->second.c_str());
} else {
return "unknown";
}
}
int beam_lookup_enum(std::unordered_map<std::string, int> m, char* value) {
auto search = m.find(std::string(value));
if (search != m.end()) {
return search->second;
} else {
return BEAM_ENUM_UNKNOWN;
}
}
napi_status beam_set_enum(napi_env env, napi_value target, const char* name,
const beamEnum* enumDesc, int value) {
napi_status status;
napi_value prop;
auto search = enumDesc->forward.find(value);
if (search != enumDesc->forward.end()) {
status = napi_create_string_utf8(env, search->second.data(), NAPI_AUTO_LENGTH, &prop);
} else {
status = napi_create_string_utf8(env, "unknown", NAPI_AUTO_LENGTH, &prop);
}
PASS_STATUS;
return napi_set_named_property(env, target, name, prop);
};
napi_status beam_get_enum(napi_env env, napi_value target, const char* name,
const beamEnum* enumDesc, int* value) {
napi_status status;
napi_value prop;
napi_valuetype type;
char* enumStr;
size_t len;
status = napi_get_named_property(env, target, name, &prop);
PASS_STATUS;
status = napi_typeof(env, prop, &type);
PASS_STATUS;
if (type == napi_number) {
status = napi_get_value_int32(env, prop, value);
PASS_STATUS;
return napi_ok;
}
if (type == napi_string) {
status = napi_get_value_string_utf8(env, prop, nullptr, 0, &len);
PASS_STATUS;
enumStr = (char*) malloc((len + 1) * sizeof(char));
status = napi_get_value_string_utf8(env, prop, enumStr, len + 1, &len);
PASS_STATUS;
auto search = enumDesc->inverse.find(std::string(enumStr));
if (search != enumDesc->inverse.end()) {
*value = search->second;
} else {
*value = BEAM_ENUM_UNKNOWN;
}
}
return napi_ok;
};
napi_status fromAVClass(napi_env env, const AVClass* cls, napi_value* result) {
napi_status status;
napi_value desc, options, units, opt, consts, element, flags;
napi_valuetype type;
const AVOption* option;
uint32_t constCount;
status = napi_create_object(env, &desc);
PASS_STATUS;
status = beam_set_string_utf8(env, desc, "type", "Class");
PASS_STATUS;
status = beam_set_string_utf8(env, desc, "class_name", (char*) cls->class_name);
PASS_STATUS;
status = napi_create_object(env, &options);
PASS_STATUS;
status = napi_create_object(env, &units);
PASS_STATUS;
option = cls->option;
while ((option != nullptr) && (option->name != nullptr)) {
if (option->type != AV_OPT_TYPE_CONST) {
status = napi_create_object(env, &opt);
PASS_STATUS;
status = napi_set_named_property(env, options, option->name, opt);
PASS_STATUS;
status = beam_set_string_utf8(env, opt, "name", (char*) option->name);
PASS_STATUS;
status = beam_set_string_utf8(env, opt, "help", (char*) option->help);
PASS_STATUS;
status = beam_set_string_utf8(env, opt, "option_type",
(char*) beam_lookup_name(beam_option_type->forward, option->type));
PASS_STATUS;
status = napi_create_object(env, &flags);
PASS_STATUS;
status = beam_set_bool(env, flags, "ENCODING_PARAM",
option->flags & AV_OPT_FLAG_ENCODING_PARAM);
PASS_STATUS;
status = beam_set_bool(env, flags, "DECODING_PARAM",
option->flags & AV_OPT_FLAG_DECODING_PARAM);
PASS_STATUS;
status = beam_set_bool(env, flags, "AUDIO_PARAM",
option->flags & AV_OPT_FLAG_AUDIO_PARAM);
PASS_STATUS;
status = beam_set_bool(env, flags, "VIDEO_PARAM",
option->flags & AV_OPT_FLAG_VIDEO_PARAM);
PASS_STATUS;
status = beam_set_bool(env, flags, "SUBTITLE_PARAM",
option->flags & AV_OPT_FLAG_SUBTITLE_PARAM);
PASS_STATUS;
status = beam_set_bool(env, flags, "EXPORT",
option->flags & AV_OPT_FLAG_EXPORT);
PASS_STATUS;
status = beam_set_bool(env, flags, "READONLY",
option->flags & AV_OPT_FLAG_READONLY);
PASS_STATUS;
status = beam_set_bool(env, flags, "BSF_PARAM",
option->flags & AV_OPT_FLAG_BSF_PARAM);
PASS_STATUS;
status = beam_set_bool(env, flags, "FILTERING_PARAM",
option->flags & AV_OPT_FLAG_FILTERING_PARAM);
PASS_STATUS;
status = beam_set_bool(env, flags, "DEPRECATED",
option->flags & AV_OPT_FLAG_DEPRECATED);
PASS_STATUS;
status = napi_set_named_property(env, opt, "flags", flags);
PASS_STATUS;
if (option->unit != nullptr) {
status = beam_set_string_utf8(env, opt, "unit", (char*) option->unit);
PASS_STATUS;
status = napi_create_array(env, &consts);
PASS_STATUS;
status = napi_set_named_property(env, opt, "consts", consts);
PASS_STATUS;
status = napi_set_named_property(env, units, option->unit, opt);
PASS_STATUS;
}
}
option = av_opt_next(&cls, option);
}
option = cls->option;
while ((option != nullptr) && (option->name != nullptr)) {
if (option->type == AV_OPT_TYPE_CONST) {
status = napi_get_named_property(env, units, option->unit, &opt);
PASS_STATUS;
status = napi_typeof(env, opt, &type);
PASS_STATUS;
if (type != napi_object) { // Assume badly described constant property
// TODO work with bad params like https://github.com/FFmpeg/FFmpeg/blob/a0ac49e38ee1d1011c394d7be67d0f08b2281526/libavformat/chromaprint.c#L167
// parameter fp_format is missing option->unit
option = av_opt_next(&cls, option);
continue;
}
status = napi_get_named_property(env, opt, "consts", &consts);
PASS_STATUS;
status = napi_get_array_length(env, consts, &constCount);
PASS_STATUS;
status = napi_create_string_utf8(env, option->name, NAPI_AUTO_LENGTH, &element);
PASS_STATUS;
status = napi_set_element(env, consts, constCount, element);
PASS_STATUS;
}
option = av_opt_next(&cls, option);
}
status = napi_set_named_property(env, desc, "options", options);
PASS_STATUS;
*result = desc;
return napi_ok;
}
napi_status makeAVDictionary(napi_env env, napi_value options, AVDictionary** metadata) {
napi_status status;
napi_value names, key, value, valueS;
AVDictionary* dict = nullptr;
uint32_t propCount;
char *keyStr, *valueStr;
size_t strLen;
int ret;
status = napi_get_property_names(env, options, &names);
PASS_STATUS;
status = napi_get_array_length(env, names, &propCount);
PASS_STATUS;
// Replace all metadata values ... no partial operation
for ( uint32_t x = 0 ; x < propCount ; x++ ) {
status = napi_get_element(env, names, x, &key);
PASS_STATUS;
status = napi_get_property(env, options, key, &value);
PASS_STATUS;
status = napi_coerce_to_string(env, value, &valueS);
PASS_STATUS;
status = napi_get_value_string_utf8(env, key, nullptr, 0, &strLen);
PASS_STATUS;
keyStr = (char*) malloc(sizeof(char) * (strLen + 1));
status = napi_get_value_string_utf8(env, key, keyStr, strLen + 1, &strLen);
PASS_STATUS;
status = napi_get_value_string_utf8(env, valueS, nullptr, 0, &strLen);
PASS_STATUS;
valueStr = (char*) malloc(sizeof(char) * (strLen + 1));
status = napi_get_value_string_utf8(env, valueS, valueStr, strLen + 1, &strLen);
PASS_STATUS;
ret = av_dict_set(&dict, keyStr, valueStr, 0);
free(keyStr);
free(valueStr);
if (ret < 0) {
printf("DEBUG: %s\n", avErrorMsg("Problem setting dictionary entry: ", ret));
return napi_invalid_arg;
}
}
*metadata = dict;
return napi_ok;
}
napi_status fromContextPrivData(napi_env env, void *privData, napi_value* result) {
napi_status status;
napi_value optionsVal, bufferVal;
int64_t iValue;
double dValue;
uint8_t *data;
AVRational qValue;
AVPixelFormat pixFmt;
AVSampleFormat sampleFmt;
struct imageSizeData { int x; int y; };
imageSizeData *sizeData;
struct offsetData { uint8_t *addr; int len; };
offsetData *offData;
char chanLayStr[64];
int ret;
const AVOption *option = nullptr;
const AVOption *prev = nullptr;
status = napi_create_object(env, &optionsVal);
PASS_STATUS;
while ((option = av_opt_next(privData, option))) {
switch (option->type) {
case AV_OPT_TYPE_FLAGS:
printf("fromPrivOptions: flags option %s: %s\n", option->name, "unmapped");
status = beam_set_string_utf8(env, optionsVal, option->name, "unmapped type: flags");
PASS_STATUS;
break;
case AV_OPT_TYPE_INT:
ret = av_opt_get_int(privData, option->name, 0, &iValue);
if (ret < 0) {
return napi_number_expected;
}
if (nullptr == option->unit) {
status = beam_set_int32(env, optionsVal, option->name, (int32_t)iValue);
PASS_STATUS;
} else {
if (iValue < 0) {
status = beam_set_string_utf8(env, optionsVal, option->name, "unknown");
PASS_STATUS;
} else {
data = (uint8_t *)option->name;
prev = option;
option = av_opt_next(privData, option);
while (option && (AV_OPT_TYPE_CONST == option->type)) {
prev = option;
if (option->default_val.i64 == iValue) {
// printf("fromPrivOptions: int option %s: %s\n", (const char*) data, option->name);
status = beam_set_string_utf8(env, optionsVal, (const char*) data, option->name);
PASS_STATUS;
break;
}
option = av_opt_next(privData, option);
}
option = prev;
}
}
break;
case AV_OPT_TYPE_INT64:
case AV_OPT_TYPE_UINT64:
ret = av_opt_get_int(privData, option->name, 0, &iValue);
if (ret < 0) {
return napi_number_expected;
}
status = beam_set_int64(env, optionsVal, option->name, iValue);
PASS_STATUS;
break;
case AV_OPT_TYPE_DOUBLE:
case AV_OPT_TYPE_FLOAT:
ret = av_opt_get_double(privData, option->name, 0, &dValue);
if (ret < 0) {
return napi_number_expected;
}
status = beam_set_double(env, optionsVal, option->name, dValue);
PASS_STATUS;
break;
case AV_OPT_TYPE_STRING:
ret = av_opt_get(privData, option->name, 0, &data);
if (ret < 0) {
return napi_string_expected;
}
status = beam_set_string_utf8(env, optionsVal, option->name, const_cast<char*>((char*) data));
av_free(data);
PASS_STATUS;
break;
case AV_OPT_TYPE_RATIONAL:
ret = av_opt_get_q(privData, option->name, 0, &qValue);
if (ret < 0) {
return napi_object_expected;
}
status = beam_set_rational(env, optionsVal, option->name, qValue);
PASS_STATUS;
break;
case AV_OPT_TYPE_BINARY: ///< offset must point to a pointer immediately followed by an int for the length
offData = (offsetData *)((uint8_t*)privData + option->offset);
// printf("fromPrivOptions: binary option %s: %p, len 0x%x\n", option->name, offData->addr, offData->len);
if ((nullptr != offData->addr) && (0 != offData->len))
status = napi_create_buffer_copy(env, offData->len, offData->addr, (void **)&data, &bufferVal);
else
status = napi_get_null(env, &bufferVal);
PASS_STATUS;
status = napi_set_named_property(env, optionsVal, option->name, bufferVal);
PASS_STATUS;
break;
case AV_OPT_TYPE_DICT:
printf("fromPrivOptions: dict option %s: %s\n", option->name, "unmapped");
status = beam_set_string_utf8(env, optionsVal, option->name, "unmapped type: dict");
PASS_STATUS;
break;
case AV_OPT_TYPE_CONST:
// printf("fromPrivOptions: const option %s: %s\n", option->name, "unmapped");
// status = beam_set_string_utf8(env, optionsVal, option->name, "unmapped type: const");
// PASS_STATUS;
break;
case AV_OPT_TYPE_IMAGE_SIZE: ///< offset must point to two consecutive integers
sizeData = (imageSizeData *)((uint8_t*)privData + option->offset);
// printf("fromPrivOptions: image size option %s: %dx%d\n", option->name, sizeData->x, sizeData->y);
status = beam_set_rational(env, optionsVal, option->name, av_make_q(sizeData->x, sizeData->y));
PASS_STATUS;
break;
case AV_OPT_TYPE_PIXEL_FMT:
ret = av_opt_get_pixel_fmt(privData, option->name, 0, &pixFmt);
if (ret < 0) {
return napi_number_expected;
}
status = beam_set_string_utf8(env, optionsVal, option->name, av_get_pix_fmt_name(pixFmt));
PASS_STATUS;
break;
case AV_OPT_TYPE_SAMPLE_FMT:
ret = av_opt_get_sample_fmt(privData, option->name, 0, &sampleFmt);
if (ret < 0) {
return napi_number_expected;
}
status = beam_set_string_utf8(env, optionsVal, option->name, av_get_sample_fmt_name(sampleFmt));
PASS_STATUS;
break;
case AV_OPT_TYPE_VIDEO_RATE: ///< offset must point to AVRational
qValue = *(AVRational *)((uint8_t*)privData + option->offset);
// printf("fromPrivOptions: video rate option %s: %d:%d\n", option->name, qValue.num, qValue.den);
status = beam_set_rational(env, optionsVal, (char*) option->name, qValue);
PASS_STATUS;
break;
case AV_OPT_TYPE_DURATION:
printf("fromPrivOptions: duration option %s: %s\n", option->name, "unmapped");
status = beam_set_string_utf8(env, optionsVal, option->name, "unmapped type: duration");
PASS_STATUS;
break;
case AV_OPT_TYPE_COLOR:
printf("fromPrivOptions: color option %s: %s\n", option->name, "unmapped");
status = beam_set_string_utf8(env, optionsVal, option->name, "unmapped type: color");
PASS_STATUS;
break;
case AV_OPT_TYPE_CHANNEL_LAYOUT:
ret = av_opt_get_channel_layout(privData, option->name, 0, &iValue);
if (ret < 0) {
return napi_number_expected;
}
av_get_channel_layout_string(chanLayStr, 64, 0, iValue);
// printf("fromPrivOptions: channel layout option %s: %lli - %s\n", option->name, iValue, chanLayStr);
status = beam_set_string_utf8(env, optionsVal, option->name, chanLayStr);
PASS_STATUS;
break;
case AV_OPT_TYPE_BOOL:
ret = av_opt_get_int(privData, option->name, 0, &iValue);
if (ret < 0) {
return napi_boolean_expected;
}
// printf("fromPrivOptions: bool option %s: %lli\n", option->name, iValue);
status = beam_set_bool(env, optionsVal, option->name, iValue);
PASS_STATUS;
break;
default:
printf("fromPrivOptions: unknown (type %d) option %s: %s\n", option->type, option->name, "unmapped");
status = beam_set_string_utf8(env, optionsVal, option->name, "unknown type");
PASS_STATUS;
break;
}
}
*result = optionsVal;
return napi_ok;
}
napi_status toContextPrivData(napi_env env, napi_value params, void* priv_data) {
napi_status status;
napi_value names, element, subel;
napi_valuetype type, subtype;
bool isArray, flag;
double dValue;
uint32_t uThirtwo;
char* sValue;
char* strProp;
size_t sLen;
const AVOption* option;
int64_t iValue;
int ret;
AVRational qValue = {0,0};
if (priv_data == nullptr) {
return napi_invalid_arg;
}
status = napi_typeof(env, params, &type);
PASS_STATUS;
status = napi_is_array(env, params, &isArray);
PASS_STATUS;
if ((isArray == false) && (type == napi_object)) {
status = napi_get_property_names(env, params, &names);
PASS_STATUS;
status = napi_get_array_length(env, names, &uThirtwo);
PASS_STATUS;
for ( uint32_t x = 0 ; x < uThirtwo ; x++ ) {
status = napi_get_element(env, names, x, &element);
PASS_STATUS;
status = napi_get_value_string_utf8(env, element, nullptr, 0, &sLen);
PASS_STATUS;
sValue = (char*) malloc(sizeof(char) * (sLen + 1));
status = napi_get_value_string_utf8(env, element, sValue, sLen + 1, &sLen);
PASS_STATUS;
option = av_opt_find(priv_data, sValue, nullptr, 0, 0);
if (option != nullptr) {
if (option->flags & AV_OPT_FLAG_READONLY) { continue; }
status = napi_get_named_property(env, params, sValue, &element);
PASS_STATUS;
status = napi_typeof(env, element, &type);
PASS_STATUS;
switch (type) {
case napi_boolean:
status = napi_get_value_bool(env, element, &flag);
PASS_STATUS;
ret = av_opt_set_int(priv_data, sValue, flag, 0);
if (ret < 0) printf("DEBUG: Unable to set %s with a boolean value.\n", sValue);
break;
case napi_number:
if ((option->type == AV_OPT_TYPE_DOUBLE) ||
(option->type == AV_OPT_TYPE_FLOAT)) {
status = napi_get_value_double(env, element, &dValue);
PASS_STATUS;
ret = av_opt_set_double(priv_data, sValue, dValue, 0);
if (ret < 0) printf("DEBUG: Unable to set %s with a double value %f.\n", sValue, dValue);
break;
}
status = napi_get_value_int64(env, element, &iValue);
PASS_STATUS;
ret = av_opt_set_int(priv_data, sValue, iValue, 0);
if (ret < 0) printf("DEBUG: Unable to set %s with an integer value %" PRId64 ": %s.\n",
sValue, iValue, avErrorMsg("", ret));
break;
case napi_string:
status = napi_get_value_string_utf8(env, element, nullptr, 0, &sLen);
PASS_STATUS;
strProp = (char*) malloc(sizeof(char) * (sLen + 1));
PASS_STATUS;
status = napi_get_value_string_utf8(env, element, strProp, sLen + 1, &sLen);
PASS_STATUS;
ret = av_opt_set(priv_data, sValue, strProp, 0);
free(strProp);
if (ret < 0) printf("DEBUG: Unable to set %s with a string value %s.\n", sValue, strProp);
break;
case napi_object:
status = napi_is_array(env, element, &isArray);
PASS_STATUS;
if (isArray && (option->type == AV_OPT_TYPE_RATIONAL)) {
status = napi_get_element(env, element, 0, &subel);
PASS_STATUS;
status = napi_typeof(env, subel, &subtype);
PASS_STATUS;
if (subtype != napi_number) {
printf("DEBUG: Non-number value for rational numerator of property %s.\n", sValue);
break;
}
status = napi_get_value_int32(env, subel, &qValue.num);
PASS_STATUS;
status = napi_get_element(env, element, 1, &subel);
PASS_STATUS;
status = napi_typeof(env, subel, &subtype);
PASS_STATUS;
if (subtype != napi_number) {
printf("DEBUG: Non-number value for rational denominator of property %s.\n", sValue);
qValue.num = 0; qValue.den = 1;
break;
}
status = napi_get_value_int32(env, subel, &qValue.den);
PASS_STATUS;
ret = av_opt_set_q(priv_data, sValue, qValue, 0);
if (ret < 0) {
printf("DEBUG: Failed to set rational property %s.\n", sValue);
}
qValue.num = 0; qValue.den = 1;
} else {
printf("DEBUG: Non-array for non-rational property %s.\n", sValue);
}
break;
default:
printf("DEBUG: Failed to set a private data value %s\n", sValue);
break;
}
} else {
printf("DEBUG: Option %s not found.\n", sValue);
}
free(sValue);
}
} else {
return napi_invalid_arg;
}
return napi_ok;
}
std::unordered_map<int, std::string> beam_field_order_fmap = {
{ AV_FIELD_PROGRESSIVE, "progressive" },
{ AV_FIELD_TT, "top coded first, top displayed first" },
{ AV_FIELD_BB, "bottom coded first, bottom displayed first" },
{ AV_FIELD_TB, "top coded first, bottom displayed first" },
{ AV_FIELD_BT, "bottom coded first, top displayed first" },
{ AV_FIELD_UNKNOWN, "unknown" }
};
const beamEnum* beam_field_order = new beamEnum(beam_field_order_fmap);
std::unordered_map<int, std::string> beam_ff_cmp_fmap = {
{ FF_CMP_SAD, "sad" },
{ FF_CMP_SSE, "sse" },
{ FF_CMP_SATD, "satd" },
{ FF_CMP_DCT, "dct" },
{ FF_CMP_PSNR, "psnr" },
{ FF_CMP_BIT, "bit" },
{ FF_CMP_RD, "rd" },
{ FF_CMP_ZERO, "zero" },
{ FF_CMP_VSAD, "vsad" },
{ FF_CMP_VSSE, "vsse" },
{ FF_CMP_NSSE, "nsse" },
{ FF_CMP_W53, "w53" },
{ FF_CMP_W97, "w97" },
{ FF_CMP_DCTMAX, "dctmax" },
{ FF_CMP_DCT264, "dct264" },
{ FF_CMP_MEDIAN_SAD, "median_sad" },
{ FF_CMP_CHROMA, "chroma" },
};
const beamEnum* beam_ff_cmp = new beamEnum(beam_ff_cmp_fmap);
std::unordered_map<int, std::string> beam_ff_mb_decision_fmap = {
{ FF_MB_DECISION_SIMPLE, "simple" }, // uses mb_cmp
{ FF_MB_DECISION_BITS, "bits" }, // chooses the one which needs the fewest bits
{ FF_MB_DECISION_RD, "rd" } // rate distortion
};
const beamEnum* beam_ff_mb_decision = new beamEnum(beam_ff_mb_decision_fmap);
std::unordered_map<int, std::string> beam_av_audio_service_type_fmap = {
{ AV_AUDIO_SERVICE_TYPE_MAIN, "main" },
{ AV_AUDIO_SERVICE_TYPE_EFFECTS, "effects" },
{ AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED, "visually-impaired" },
{ AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED, "hearing-impaired" },
{ AV_AUDIO_SERVICE_TYPE_DIALOGUE, "dialogue" },
{ AV_AUDIO_SERVICE_TYPE_COMMENTARY, "commentary" },
{ AV_AUDIO_SERVICE_TYPE_EMERGENCY, "emergency" },
{ AV_AUDIO_SERVICE_TYPE_VOICE_OVER, "voice-over" },
{ AV_AUDIO_SERVICE_TYPE_KARAOKE, "karaoke" },
{ AV_AUDIO_SERVICE_TYPE_NB, "nb" }
};
const beamEnum* beam_av_audio_service_type = new beamEnum(beam_av_audio_service_type_fmap);
std::unordered_map<int, std::string> beam_ff_compliance_fmap = {
{ FF_COMPLIANCE_VERY_STRICT, "very-strict" },
{ FF_COMPLIANCE_STRICT, "strict" },
{ FF_COMPLIANCE_NORMAL, "normal" },
{ FF_COMPLIANCE_UNOFFICIAL, "unofficial" },
{ FF_COMPLIANCE_EXPERIMENTAL, "experimental" }
};
const beamEnum* beam_ff_compliance = new beamEnum(beam_ff_compliance_fmap);
std::unordered_map<int, std::string> beam_ff_dct_fmap = {
{ FF_DCT_AUTO, "auto" },
{ FF_DCT_FASTINT, "fastint "},
{ FF_DCT_INT, "int" },
{ FF_DCT_MMX, "mmx" },
{ FF_DCT_ALTIVEC, "altivec" },
{ FF_DCT_FAAN, "faan" }
};
const beamEnum* beam_ff_dct = new beamEnum(beam_ff_dct_fmap);
std::unordered_map<int, std::string> beam_ff_idct_fmap = {
{ FF_IDCT_AUTO, "auto" },
{ FF_IDCT_INT, "int" },
{ FF_IDCT_SIMPLE, "simple" },
{ FF_IDCT_SIMPLEMMX, "simplemmx" },
{ FF_IDCT_ARM, "arm" },
{ FF_IDCT_ALTIVEC, "altivec" },
{ FF_IDCT_SIMPLEARM, "simplearm" },
{ FF_IDCT_XVID, "xvid" },