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Update opusfile from 0.5 to 0.8

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This commit is contained in:
Zack Middleton 2017-05-23 11:03:07 -05:00
parent ef8ad54421
commit 7139094355
5 changed files with 479 additions and 154 deletions
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117
code/opusfile-0.5/src/info.c
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@ -28,11 +28,13 @@ static int op_parse_int16le(const unsigned char *_data){
}
static opus_uint32 op_parse_uint32le(const unsigned char *_data){
return _data[0]|_data[1]<<8|_data[2]<<16|_data[3]<<24;
return _data[0]|(opus_uint32)_data[1]<<8|
(opus_uint32)_data[2]<<16|(opus_uint32)_data[3]<<24;
}
static opus_uint32 op_parse_uint32be(const unsigned char *_data){
return _data[3]|_data[2]<<8|_data[1]<<16|_data[0]<<24;
return _data[3]|(opus_uint32)_data[2]<<8|
(opus_uint32)_data[1]<<16|(opus_uint32)_data[0]<<24;
}
int opus_head_parse(OpusHead *_head,const unsigned char *_data,size_t _len){
@ -90,8 +92,11 @@ void opus_tags_init(OpusTags *_tags){
}
void opus_tags_clear(OpusTags *_tags){
int ncomments;
int ci;
for(ci=_tags->comments;ci-->0;)_ogg_free(_tags->user_comments[ci]);
ncomments=_tags->comments;
if(_tags->user_comments!=NULL)ncomments++;
for(ci=ncomments;ci-->0;)_ogg_free(_tags->user_comments[ci]);
_ogg_free(_tags->user_comments);
_ogg_free(_tags->comment_lengths);
_ogg_free(_tags->vendor);
@ -101,19 +106,27 @@ void opus_tags_clear(OpusTags *_tags){
static int op_tags_ensure_capacity(OpusTags *_tags,size_t _ncomments){
char **user_comments;
int *comment_lengths;
int cur_ncomments;
char *binary_suffix_data;
int binary_suffix_len;
size_t size;
if(OP_UNLIKELY(_ncomments>=(size_t)INT_MAX))return OP_EFAULT;
size=sizeof(*_tags->comment_lengths)*(_ncomments+1);
if(size/sizeof(*_tags->comment_lengths)!=_ncomments+1)return OP_EFAULT;
cur_ncomments=_tags->comments;
comment_lengths=_tags->comment_lengths;
binary_suffix_len=comment_lengths==NULL?0:comment_lengths[cur_ncomments];
comment_lengths=(int *)_ogg_realloc(_tags->comment_lengths,size);
if(OP_UNLIKELY(comment_lengths==NULL))return OP_EFAULT;
comment_lengths[_ncomments]=0;
comment_lengths[_ncomments]=binary_suffix_len;
_tags->comment_lengths=comment_lengths;
size=sizeof(*_tags->user_comments)*(_ncomments+1);
if(size/sizeof(*_tags->user_comments)!=_ncomments+1)return OP_EFAULT;
user_comments=_tags->user_comments;
binary_suffix_data=user_comments==NULL?NULL:user_comments[cur_ncomments];
user_comments=(char **)_ogg_realloc(_tags->user_comments,size);
if(OP_UNLIKELY(user_comments==NULL))return OP_EFAULT;
user_comments[_ncomments]=NULL;
user_comments[_ncomments]=binary_suffix_data;
_tags->user_comments=user_comments;
return 0;
}
@ -186,10 +199,22 @@ static int opus_tags_parse_impl(OpusTags *_tags,
if(_tags->user_comments[ci]==NULL)return OP_EFAULT;
_tags->comment_lengths[ci]=(int)count;
_tags->comments=ci+1;
/*Needed by opus_tags_clear() if we fail before parsing the (optional)
binary metadata.*/
_tags->user_comments[ci+1]=NULL;
}
_data+=count;
len-=count;
}
if(len>0&&(_data[0]&1)){
if(len>(opus_uint32)INT_MAX)return OP_EFAULT;
if(_tags!=NULL){
_tags->user_comments[ncomments]=(char *)_ogg_malloc(len);
if(OP_UNLIKELY(_tags->user_comments[ncomments]==NULL))return OP_EFAULT;
memcpy(_tags->user_comments[ncomments],_data,len);
_tags->comment_lengths[ncomments]=(int)len;
}
}
return 0;
}
@ -230,6 +255,16 @@ static int opus_tags_copy_impl(OpusTags *_dst,const OpusTags *_src){
_dst->comment_lengths[ci]=len;
_dst->comments=ci+1;
}
if(_src->comment_lengths!=NULL){
int len;
len=_src->comment_lengths[ncomments];
if(len>0){
_dst->user_comments[ncomments]=(char *)_ogg_malloc(len);
if(OP_UNLIKELY(_dst->user_comments[ncomments]==NULL))return OP_EFAULT;
memcpy(_dst->user_comments[ncomments],_src->user_comments[ncomments],len);
_dst->comment_lengths[ncomments]=len;
}
}
return 0;
}
@ -255,29 +290,49 @@ int opus_tags_add(OpusTags *_tags,const char *_tag,const char *_value){
tag_len=strlen(_tag);
value_len=strlen(_value);
/*+2 for '=' and '\0'.*/
_tags->comment_lengths[ncomments]=0;
_tags->user_comments[ncomments]=comment=
(char *)_ogg_malloc(sizeof(*comment)*(tag_len+value_len+2));
comment=(char *)_ogg_malloc(sizeof(*comment)*(tag_len+value_len+2));
if(OP_UNLIKELY(comment==NULL))return OP_EFAULT;
_tags->comment_lengths[ncomments]=tag_len+value_len+1;
memcpy(comment,_tag,sizeof(*comment)*tag_len);
comment[tag_len]='=';
memcpy(comment+tag_len+1,_value,sizeof(*comment)*(value_len+1));
_tags->user_comments[ncomments]=comment;
_tags->comment_lengths[ncomments]=tag_len+value_len+1;
_tags->comments=ncomments+1;
return 0;
}
int opus_tags_add_comment(OpusTags *_tags,const char *_comment){
int comment_len;
int ncomments;
int ret;
char *comment;
int comment_len;
int ncomments;
int ret;
ncomments=_tags->comments;
ret=op_tags_ensure_capacity(_tags,ncomments+1);
if(OP_UNLIKELY(ret<0))return ret;
comment_len=(int)strlen(_comment);
_tags->comment_lengths[ncomments]=0;
_tags->user_comments[ncomments]=op_strdup_with_len(_comment,comment_len);
if(OP_UNLIKELY(_tags->user_comments[ncomments]==NULL))return OP_EFAULT;
comment=op_strdup_with_len(_comment,comment_len);
if(OP_UNLIKELY(comment==NULL))return OP_EFAULT;
_tags->user_comments[ncomments]=comment;
_tags->comment_lengths[ncomments]=comment_len;
_tags->comments=ncomments+1;
return 0;
}
int opus_tags_set_binary_suffix(OpusTags *_tags,
const unsigned char *_data,int _len){
unsigned char *binary_suffix_data;
int ncomments;
int ret;
if(_len<0||_len>0&&(_data==NULL||!(_data[0]&1)))return OP_EINVAL;
ncomments=_tags->comments;
ret=op_tags_ensure_capacity(_tags,ncomments);
if(OP_UNLIKELY(ret<0))return ret;
binary_suffix_data=
(unsigned char *)_ogg_realloc(_tags->user_comments[ncomments],_len);
if(OP_UNLIKELY(binary_suffix_data==NULL))return OP_EFAULT;
memcpy(binary_suffix_data,_data,_len);
_tags->user_comments[ncomments]=(char *)binary_suffix_data;
_tags->comment_lengths[ncomments]=_len;
return 0;
}
@ -328,19 +383,31 @@ int opus_tags_query_count(const OpusTags *_tags,const char *_tag){
return found;
}
int opus_tags_get_track_gain(const OpusTags *_tags,int *_gain_q8){
const unsigned char *opus_tags_get_binary_suffix(const OpusTags *_tags,
int *_len){
int ncomments;
int len;
ncomments=_tags->comments;
len=_tags->comment_lengths==NULL?0:_tags->comment_lengths[ncomments];
*_len=len;
OP_ASSERT(len==0||_tags->user_comments!=NULL);
return len>0?(const unsigned char *)_tags->user_comments[ncomments]:NULL;
}
static int opus_tags_get_gain(const OpusTags *_tags,int *_gain_q8,
const char *_tag_name,size_t _tag_len){
char **comments;
int ncomments;
int ci;
comments=_tags->user_comments;
ncomments=_tags->comments;
/*Look for the first valid R128_TRACK_GAIN tag and use that.*/
/*Look for the first valid tag with the name _tag_name and use that.*/
for(ci=0;ci<ncomments;ci++){
if(opus_tagncompare("R128_TRACK_GAIN",15,comments[ci])==0){
if(opus_tagncompare(_tag_name,_tag_len,comments[ci])==0){
char *p;
opus_int32 gain_q8;
int negative;
p=comments[ci]+16;
p=comments[ci]+_tag_len+1;
negative=0;
if(*p=='-'){
negative=-1;
@ -354,7 +421,7 @@ int opus_tags_get_track_gain(const OpusTags *_tags,int *_gain_q8){
p++;
}
/*This didn't look like a signed 16-bit decimal integer.
Not a valid R128_TRACK_GAIN tag.*/
Not a valid gain tag.*/
if(*p!='\0')continue;
*_gain_q8=(int)(gain_q8+negative^negative);
return 0;
@ -363,6 +430,14 @@ int opus_tags_get_track_gain(const OpusTags *_tags,int *_gain_q8){
return OP_FALSE;
}
int opus_tags_get_album_gain(const OpusTags *_tags,int *_gain_q8){
return opus_tags_get_gain(_tags,_gain_q8,"R128_ALBUM_GAIN",15);
}
int opus_tags_get_track_gain(const OpusTags *_tags,int *_gain_q8){
return opus_tags_get_gain(_tags,_gain_q8,"R128_TRACK_GAIN",15);
}
static int op_is_jpeg(const unsigned char *_buf,size_t _buf_sz){
return _buf_sz>=11&&memcmp(_buf,"\xFF\xD8\xFF\xE0",4)==0
&&(_buf[4]<<8|_buf[5])>=16&&memcmp(_buf+6,"JFIF",5)==0;
@ -560,7 +635,7 @@ static int opus_picture_tag_parse_impl(OpusPictureTag *_pic,const char *_tag,
i+=4;
/*If one of these is set, they all must be, but colors==0 is a valid value.*/
colors_set=width!=0||height!=0||depth!=0||colors!=0;
if(width==0||height==0||depth==0&&colors_set)return OP_ENOTFORMAT;
if((width==0||height==0||depth==0)&&colors_set)return OP_ENOTFORMAT;
data_length=op_parse_uint32be(_buf+i);
i+=4;
if(data_length>_buf_sz-i)return OP_ENOTFORMAT;