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srs/trunk/src/main/srs_main_mp4_parser.cpp
2019-12-30 10:10:35 +08:00

131 lines
4.2 KiB
C++

/**
* The MIT License (MIT)
*
* Copyright (c) 2013-2020 Winlin
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <srs_core.hpp>
#include <srs_kernel_error.hpp>
#include <srs_service_log.hpp>
#include <srs_kernel_mp4.hpp>
#include <srs_kernel_file.hpp>
#include <srs_kernel_stream.hpp>
#include <srs_core_autofree.hpp>
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <sstream>
using namespace std;
// @global log and context.
ISrsLog* _srs_log = new SrsConsoleLog(SrsLogLevelTrace, false);
ISrsThreadContext* _srs_context = new SrsThreadContext();
srs_error_t parse(std::string mp4_file, bool verbose)
{
srs_error_t err = srs_success;
SrsFileReader fr;
if ((err = fr.open(mp4_file)) != srs_success) {
return srs_error_wrap(err, "open mp4 file %s", mp4_file.c_str());
}
srs_trace("MP4 file open success");
SrsMp4BoxReader br;
if ((err = br.initialize(&fr)) != srs_success) {
return srs_error_wrap(err, "open box reader");
}
srs_trace("MP4 box reader open success");
SrsSimpleStream* stream = new SrsSimpleStream();
SrsAutoFree(SrsSimpleStream, stream);
fprintf(stderr, "\n%s\n", mp4_file.c_str());
while (true) {
SrsMp4Box* box = NULL;
SrsAutoFree(SrsMp4Box, box);
if ((err = br.read(stream, &box)) != srs_success) {
if (srs_error_code(err) == ERROR_SYSTEM_FILE_EOF) {
fprintf(stderr, "\n");
}
return srs_error_wrap(err, "read box");
}
SrsBuffer* buffer = new SrsBuffer(stream->bytes(), stream->length());
SrsAutoFree(SrsBuffer, buffer);
if ((err = box->decode(buffer)) != srs_success) {
return srs_error_wrap(err, "decode box");
}
if ((err = br.skip(box, stream)) != srs_success) {
return srs_error_wrap(err, "skip box");
}
SrsMp4DumpContext ctx;
ctx.level = 1;
ctx.summary = !verbose;
stringstream ss;
fprintf(stderr, "%s", box->dumps(ss, ctx).str().c_str());
}
return err;
}
int main(int argc, char** argv)
{
printf("SRS MP4 parser/%d.%d.%d, parse and show the mp4 boxes structure.\n",
VERSION_MAJOR, VERSION_MINOR, VERSION_REVISION);
if (argc < 2) {
printf("Usage: %s <mp4_file> [verbose]\n"
" mp4_file The MP4 file path to parse.\n"
" verbose Whether print verbose of box.\n"
"For example:\n"
" %s doc/source.200kbps.768x320.mp4\n"
" %s doc/source.200kbps.768x320.mp4 verbose\n",
argv[0], argv[0], argv[0]);
exit(-1);
}
string mp4_file = argv[1];
bool verbose = false;
if (argc > 2) {
verbose = true;
}
srs_trace("Parse MP4 file %s, verbose=%d", mp4_file.c_str(), verbose);
srs_error_t err = parse(mp4_file, verbose);
int code = srs_error_code(err);
if (code == ERROR_SYSTEM_FILE_EOF) {
srs_trace("Parse complete");
} else {
srs_error("Parse error %s", srs_error_desc(err).c_str());
}
srs_freep(err);
return code;
}