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Support print MP4 box.

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This commit is contained in:
winlin 2017-05-14 22:16:15 +08:00
parent fe43a31d06
commit eaccbd0f85
3 changed files with 141 additions and 7 deletions
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117
trunk/src/kernel/srs_kernel_mp4.cpp
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@ -33,6 +33,7 @@
#include <string.h>
#include <sstream>
#include <iomanip>
using namespace std;
#define SRS_MP4_EOF_SIZE 0
@ -40,6 +41,49 @@ using namespace std;
#define SRS_MP4_BUF_SIZE 4096
stringstream& srs_padding(stringstream& ss, int level, int tab = 4)
{
for (int i = 0; i < level; i++) {
for (int j = 0; j < tab; j++) {
ss << " ";
}
}
return ss;
}
stringstream& srs_print_mp4_type(stringstream& ss, uint32_t v)
{
ss << char(v>>24) << char(v>>16) << char(v>>8) << char(v);
return ss;
}
template<typename T>
stringstream& srs_print_types(stringstream& ss, std::vector<T>& arr)
{
for (size_t i = 0; i < arr.size(); i++) {
srs_print_mp4_type(ss, (uint32_t)arr[i]);
if (i < arr.size() - 1) {
ss << ",";
}
}
return ss;
}
stringstream& srs_print_bytes(stringstream& ss, const char* p, int size, int max = -1)
{
if (max == -1) {
max = size;
}
for (int i = 0; i < max; i++) {
ss << "0x" << std::setw(2) << std::setfill('0') << std::hex << (uint32_t)p[i] << std::dec;
if (i < max -1) {
ss << ", ";
}
}
return ss;
}
int srs_mp4_string_length(const string& v)
{
return (int)v.length()+1;
@ -160,6 +204,30 @@ int SrsMp4Box::remove(SrsMp4BoxType bt)
return nb_removed;
}
stringstream& SrsMp4Box::dumps(stringstream& ss, int level)
{
srs_padding(ss, level);
srs_print_mp4_type(ss, (uint32_t)type);
ss << ", " << sz();
if (smallsize == SRS_MP4_USE_LARGE_SIZE) {
ss << "(large)";
}
ss << "B";
dumps_detail(ss, level);
ss << endl;
vector<SrsMp4Box*>::iterator it;
for (it = boxes.begin(); it != boxes.end(); ++it) {
SrsMp4Box* box = *it;
box->dumps(ss, level + 1);
}
return ss;
}
int SrsMp4Box::discovery(SrsBuffer* buf, SrsMp4Box** ppbox)
{
*ppbox = NULL;
@ -455,6 +523,11 @@ int SrsMp4Box::decode_header(SrsBuffer* buf)
return ret;
}
stringstream& SrsMp4Box::dumps_detail(stringstream& ss, int level)
{
return ss;
}
SrsMp4FullBox::SrsMp4FullBox()
{
version = 0;
@ -520,6 +593,15 @@ int SrsMp4FullBox::decode_header(SrsBuffer* buf)
return ret;
}
stringstream& SrsMp4FullBox::dumps_detail(stringstream& ss, int level)
{
if (version != 0 || flags != 0) {
ss << ", V" << uint32_t(version)
<< "(0x" << std::setw(2) << std::setfill('0') << std::hex << flags << std::dec << ")";
}
return ss;
}
SrsMp4FileTypeBox::SrsMp4FileTypeBox()
{
type = SrsMp4BoxTypeFTYP;
@ -542,7 +624,7 @@ void SrsMp4FileTypeBox::set_compatible_brands(SrsMp4BoxBrand b0, SrsMp4BoxBrand
int SrsMp4FileTypeBox::nb_header()
{
return SrsMp4Box::nb_header() + 8 + compatible_brands.size() * 4;
return (int)(SrsMp4Box::nb_header() + 8 + compatible_brands.size() * 4);
}
int SrsMp4FileTypeBox::encode_header(SrsBuffer* buf)
@ -588,6 +670,21 @@ int SrsMp4FileTypeBox::decode_header(SrsBuffer* buf)
return ret;
}
stringstream& SrsMp4FileTypeBox::dumps_detail(stringstream& ss, int level)
{
ss << ", brands:";
srs_print_mp4_type(ss, (uint32_t)major_brand);
ss << "," << minor_version;
if (!compatible_brands.empty()) {
ss << "(";
srs_print_types(ss, compatible_brands);
ss << ")";
}
return ss;
}
SrsMp4MediaDataBox::SrsMp4MediaDataBox()
{
type = SrsMp4BoxTypeMDAT;
@ -685,6 +782,18 @@ int SrsMp4FreeSpaceBox::decode_header(SrsBuffer* buf)
return ret;
}
stringstream& SrsMp4FreeSpaceBox::dumps_detail(stringstream& ss, int level)
{
ss << ", free " << data.size() << "B";
if (!data.empty()) {
ss << endl;
srs_padding(ss, level + 1);
srs_print_bytes(ss, &data[0], (int)data.size());
}
return ss;
}
SrsMp4MovieBox::SrsMp4MovieBox()
{
type = SrsMp4BoxTypeMOOV;
@ -909,6 +1018,12 @@ int SrsMp4MovieHeaderBox::decode_header(SrsBuffer* buf)
return ret;
}
stringstream& SrsMp4MovieHeaderBox::dumps_detail(stringstream& ss, int level)
{
ss << ", TBN=" << timescale << ", duratoin=" << std::setprecision(2) << duration() << "ms";
return ss;
}
SrsMp4MovieExtendsBox::SrsMp4MovieExtendsBox()
{
type = SrsMp4BoxTypeMVEX;