stb_vorbis: Update to upstream version 1.19
1.19 - 2020-02-05 - warnings
1.18 - 2020-02-02 - fix seek bugs; parse header comments; misc
warnings etc.
This commit is contained in:
Rémi Verschelde
parent
d29514acce
commit
8ce7dce511
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@ -425,7 +425,7 @@ Collection of single-file libraries used in Godot components.
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* License: zlib
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- `stb_vorbis.c`
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* Upstream: https://github.com/nothings/stb
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* Version: 1.17
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* Version: 1.19
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* License: Public Domain (Unlicense) or MIT
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@ -1,4 +1,4 @@
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// Ogg Vorbis audio decoder - v1.17 - public domain
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// Ogg Vorbis audio decoder - v1.19 - public domain
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// http://nothings.org/stb_vorbis/
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//
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// Original version written by Sean Barrett in 2007.
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@ -26,13 +26,16 @@
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// Terje Mathisen Niklas Frykholm Andy Hill
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// Casey Muratori John Bolton Gargaj
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// Laurent Gomila Marc LeBlanc Ronny Chevalier
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// Bernhard Wodo Evan Balster alxprd@github
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// Bernhard Wodo Evan Balster github:alxprd
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// Tom Beaumont Ingo Leitgeb Nicolas Guillemot
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// Phillip Bennefall Rohit Thiago Goulart
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// manxorist@github saga musix github:infatum
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// Timur Gagiev Maxwell Koo
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// github:manxorist saga musix github:infatum
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// Timur Gagiev Maxwell Koo Peter Waller
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// github:audinowho Dougall Johnson
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//
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// Partial history:
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// 1.19 - 2020-02-05 - warnings
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// 1.18 - 2020-02-02 - fix seek bugs; parse header comments; misc warnings etc.
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// 1.17 - 2019-07-08 - fix CVE-2019-13217..CVE-2019-13223 (by ForAllSecure)
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// 1.16 - 2019-03-04 - fix warnings
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// 1.15 - 2019-02-07 - explicit failure if Ogg Skeleton data is found
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@ -130,9 +133,20 @@ typedef struct
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int max_frame_size;
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} stb_vorbis_info;
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typedef struct
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{
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char *vendor;
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int comment_list_length;
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char **comment_list;
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} stb_vorbis_comment;
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// get general information about the file
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extern stb_vorbis_info stb_vorbis_get_info(stb_vorbis *f);
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// get ogg comments
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extern stb_vorbis_comment stb_vorbis_get_comment(stb_vorbis *f);
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// get the last error detected (clears it, too)
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extern int stb_vorbis_get_error(stb_vorbis *f);
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@ -759,6 +773,10 @@ struct stb_vorbis
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unsigned int temp_memory_required;
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unsigned int setup_temp_memory_required;
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char *vendor;
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int comment_list_length;
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char **comment_list;
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// input config
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#ifndef STB_VORBIS_NO_STDIO
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FILE *f;
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@ -774,8 +792,11 @@ struct stb_vorbis
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uint8 push_mode;
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// the page to seek to when seeking to start, may be zero
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uint32 first_audio_page_offset;
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// p_first is the page on which the first audio packet ends
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// (but not necessarily the page on which it starts)
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ProbedPage p_first, p_last;
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// memory management
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@ -888,7 +909,7 @@ static int error(vorb *f, enum STBVorbisError e)
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#define array_size_required(count,size) (count*(sizeof(void *)+(size)))
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#define temp_alloc(f,size) (f->alloc.alloc_buffer ? setup_temp_malloc(f,size) : alloca(size))
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#define temp_free(f,p) 0
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#define temp_free(f,p) (void)0
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#define temp_alloc_save(f) ((f)->temp_offset)
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#define temp_alloc_restore(f,p) ((f)->temp_offset = (p))
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@ -909,7 +930,7 @@ static void *make_block_array(void *mem, int count, int size)
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static void *setup_malloc(vorb *f, int sz)
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{
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sz = (sz+3) & ~3;
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sz = (sz+7) & ~7; // round up to nearest 8 for alignment of future allocs.
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f->setup_memory_required += sz;
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if (f->alloc.alloc_buffer) {
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void *p = (char *) f->alloc.alloc_buffer + f->setup_offset;
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@ -928,7 +949,7 @@ static void setup_free(vorb *f, void *p)
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static void *setup_temp_malloc(vorb *f, int sz)
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{
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sz = (sz+3) & ~3;
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sz = (sz+7) & ~7; // round up to nearest 8 for alignment of future allocs.
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if (f->alloc.alloc_buffer) {
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if (f->temp_offset - sz < f->setup_offset) return NULL;
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f->temp_offset -= sz;
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@ -1404,6 +1425,9 @@ static int capture_pattern(vorb *f)
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static int start_page_no_capturepattern(vorb *f)
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{
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uint32 loc0,loc1,n;
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if (f->first_decode && !IS_PUSH_MODE(f)) {
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f->p_first.page_start = stb_vorbis_get_file_offset(f) - 4;
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}
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// stream structure version
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if (0 != get8(f)) return error(f, VORBIS_invalid_stream_structure_version);
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// header flag
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@ -1440,15 +1464,12 @@ static int start_page_no_capturepattern(vorb *f)
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}
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if (f->first_decode) {
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int i,len;
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ProbedPage p;
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len = 0;
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for (i=0; i < f->segment_count; ++i)
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len += f->segments[i];
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len += 27 + f->segment_count;
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p.page_start = f->first_audio_page_offset;
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p.page_end = p.page_start + len;
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p.last_decoded_sample = loc0;
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f->p_first = p;
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f->p_first.page_end = f->p_first.page_start + len;
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f->p_first.last_decoded_sample = loc0;
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}
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f->next_seg = 0;
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return TRUE;
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@ -1539,6 +1560,16 @@ static int get8_packet(vorb *f)
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return x;
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}
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static int get32_packet(vorb *f)
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{
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uint32 x;
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x = get8_packet(f);
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x += get8_packet(f) << 8;
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x += get8_packet(f) << 16;
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x += (uint32) get8_packet(f) << 24;
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return x;
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}
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static void flush_packet(vorb *f)
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{
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while (get8_packet_raw(f) != EOP);
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@ -2130,47 +2161,7 @@ static void decode_residue(vorb *f, float *residue_buffers[], int ch, int n, int
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++class_set;
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#endif
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}
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} else if (ch == 1) {
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while (pcount < part_read) {
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int z = r->begin + pcount*r->part_size;
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int c_inter = 0, p_inter = z;
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if (pass == 0) {
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Codebook *c = f->codebooks+r->classbook;
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int q;
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DECODE(q,f,c);
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if (q == EOP) goto done;
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#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
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part_classdata[0][class_set] = r->classdata[q];
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#else
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for (i=classwords-1; i >= 0; --i) {
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classifications[0][i+pcount] = q % r->classifications;
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q /= r->classifications;
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}
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#endif
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}
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for (i=0; i < classwords && pcount < part_read; ++i, ++pcount) {
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int z = r->begin + pcount*r->part_size;
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#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
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int c = part_classdata[0][class_set][i];
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#else
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int c = classifications[0][pcount];
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#endif
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int b = r->residue_books[c][pass];
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if (b >= 0) {
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Codebook *book = f->codebooks + b;
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if (!codebook_decode_deinterleave_repeat(f, book, residue_buffers, ch, &c_inter, &p_inter, n, r->part_size))
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goto done;
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} else {
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z += r->part_size;
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c_inter = 0;
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p_inter = z;
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}
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}
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#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
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++class_set;
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#endif
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}
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} else {
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} else if (ch > 2) {
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while (pcount < part_read) {
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int z = r->begin + pcount*r->part_size;
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int c_inter = z % ch, p_inter = z/ch;
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@ -3504,7 +3495,7 @@ static int vorbis_pump_first_frame(stb_vorbis *f)
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}
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#ifndef STB_VORBIS_NO_PUSHDATA_API
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static int is_whole_packet_present(stb_vorbis *f, int end_page)
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static int is_whole_packet_present(stb_vorbis *f)
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{
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// make sure that we have the packet available before continuing...
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// this requires a full ogg parse, but we know we can fetch from f->stream
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@ -3524,8 +3515,6 @@ static int is_whole_packet_present(stb_vorbis *f, int end_page)
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break;
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}
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// either this continues, or it ends it...
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if (end_page)
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if (s < f->segment_count-1) return error(f, VORBIS_invalid_stream);
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if (s == f->segment_count)
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s = -1; // set 'crosses page' flag
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if (p > f->stream_end) return error(f, VORBIS_need_more_data);
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@ -3558,8 +3547,6 @@ static int is_whole_packet_present(stb_vorbis *f, int end_page)
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if (q[s] < 255)
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break;
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}
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if (end_page)
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if (s < n-1) return error(f, VORBIS_invalid_stream);
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if (s == n)
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s = -1; // set 'crosses page' flag
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if (p > f->stream_end) return error(f, VORBIS_need_more_data);
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@ -3576,6 +3563,7 @@ static int start_decoder(vorb *f)
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int longest_floorlist=0;
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// first page, first packet
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f->first_decode = TRUE;
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if (!start_page(f)) return FALSE;
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// validate page flag
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@ -3633,6 +3621,41 @@ static int start_decoder(vorb *f)
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if (!start_page(f)) return FALSE;
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if (!start_packet(f)) return FALSE;
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if (!next_segment(f)) return FALSE;
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if (get8_packet(f) != VORBIS_packet_comment) return error(f, VORBIS_invalid_setup);
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for (i=0; i < 6; ++i) header[i] = get8_packet(f);
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if (!vorbis_validate(header)) return error(f, VORBIS_invalid_setup);
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//file vendor
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len = get32_packet(f);
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f->vendor = (char*)setup_malloc(f, sizeof(char) * (len+1));
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for(i=0; i < len; ++i) {
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f->vendor[i] = get8_packet(f);
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}
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f->vendor[len] = (char)'\0';
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//user comments
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f->comment_list_length = get32_packet(f);
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f->comment_list = (char**)setup_malloc(f, sizeof(char*) * (f->comment_list_length));
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for(i=0; i < f->comment_list_length; ++i) {
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len = get32_packet(f);
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f->comment_list[i] = (char*)setup_malloc(f, sizeof(char) * (len+1));
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for(j=0; j < len; ++j) {
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f->comment_list[i][j] = get8_packet(f);
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}
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f->comment_list[i][len] = (char)'\0';
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}
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// framing_flag
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x = get8_packet(f);
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if (!(x & 1)) return error(f, VORBIS_invalid_setup);
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skip(f, f->bytes_in_seg);
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f->bytes_in_seg = 0;
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do {
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len = next_segment(f);
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skip(f, len);
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@ -3644,7 +3667,7 @@ static int start_decoder(vorb *f)
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#ifndef STB_VORBIS_NO_PUSHDATA_API
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if (IS_PUSH_MODE(f)) {
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if (!is_whole_packet_present(f, TRUE)) {
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if (!is_whole_packet_present(f)) {
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// convert error in ogg header to write type
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if (f->error == VORBIS_invalid_stream)
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f->error = VORBIS_invalid_setup;
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@ -3947,7 +3970,7 @@ static int start_decoder(vorb *f)
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g->sorted_order[j] = (uint8) p[j].id;
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// precompute the neighbors
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for (j=2; j < g->values; ++j) {
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int low,hi;
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int low = 0,hi = 0;
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neighbors(g->Xlist, j, &low,&hi);
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g->neighbors[j][0] = low;
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g->neighbors[j][1] = hi;
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@ -4132,7 +4155,6 @@ static int start_decoder(vorb *f)
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f->temp_memory_required = imdct_mem;
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}
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f->first_decode = TRUE;
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if (f->alloc.alloc_buffer) {
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assert(f->temp_offset == f->alloc.alloc_buffer_length_in_bytes);
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@ -4141,7 +4163,17 @@ static int start_decoder(vorb *f)
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return error(f, VORBIS_outofmem);
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}
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f->first_audio_page_offset = stb_vorbis_get_file_offset(f);
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// @TODO: stb_vorbis_seek_start expects first_audio_page_offset to point to a page
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// without PAGEFLAG_continued_packet, so this either points to the first page, or
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// the page after the end of the headers. It might be cleaner to point to a page
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// in the middle of the headers, when that's the page where the first audio packet
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// starts, but we'd have to also correctly skip the end of any continued packet in
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// stb_vorbis_seek_start.
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if (f->next_seg == -1) {
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f->first_audio_page_offset = stb_vorbis_get_file_offset(f);
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} else {
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f->first_audio_page_offset = 0;
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}
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return TRUE;
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}
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@ -4149,6 +4181,13 @@ static int start_decoder(vorb *f)
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static void vorbis_deinit(stb_vorbis *p)
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{
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int i,j;
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setup_free(p, p->vendor);
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for (i=0; i < p->comment_list_length; ++i) {
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setup_free(p, p->comment_list[i]);
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}
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setup_free(p, p->comment_list);
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if (p->residue_config) {
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for (i=0; i < p->residue_count; ++i) {
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Residue *r = p->residue_config+i;
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@ -4248,6 +4287,15 @@ stb_vorbis_info stb_vorbis_get_info(stb_vorbis *f)
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return d;
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}
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stb_vorbis_comment stb_vorbis_get_comment(stb_vorbis *f)
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{
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stb_vorbis_comment d;
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d.vendor = f->vendor;
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d.comment_list_length = f->comment_list_length;
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d.comment_list = f->comment_list;
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return d;
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}
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int stb_vorbis_get_error(stb_vorbis *f)
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{
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int e = f->error;
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@ -4389,7 +4437,7 @@ int stb_vorbis_decode_frame_pushdata(
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f->error = VORBIS__no_error;
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// check that we have the entire packet in memory
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if (!is_whole_packet_present(f, FALSE)) {
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if (!is_whole_packet_present(f)) {
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*samples = 0;
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return 0;
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}
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@ -4625,8 +4673,8 @@ static int seek_to_sample_coarse(stb_vorbis *f, uint32 sample_number)
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{
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ProbedPage left, right, mid;
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int i, start_seg_with_known_loc, end_pos, page_start;
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uint32 delta, stream_length, padding;
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double offset, bytes_per_sample;
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uint32 delta, stream_length, padding, last_sample_limit;
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double offset = 0.0, bytes_per_sample = 0.0;
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int probe = 0;
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// find the last page and validate the target sample
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@ -4639,9 +4687,9 @@ static int seek_to_sample_coarse(stb_vorbis *f, uint32 sample_number)
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// indicates should be the granule position (give or take one)).
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padding = ((f->blocksize_1 - f->blocksize_0) >> 2);
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if (sample_number < padding)
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sample_number = 0;
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last_sample_limit = 0;
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else
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sample_number -= padding;
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last_sample_limit = sample_number - padding;
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left = f->p_first;
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while (left.last_decoded_sample == ~0U) {
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@ -4654,9 +4702,12 @@ static int seek_to_sample_coarse(stb_vorbis *f, uint32 sample_number)
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assert(right.last_decoded_sample != ~0U);
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// starting from the start is handled differently
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if (sample_number <= left.last_decoded_sample) {
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if (stb_vorbis_seek_start(f))
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if (last_sample_limit <= left.last_decoded_sample) {
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if (stb_vorbis_seek_start(f)) {
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if (f->current_loc > sample_number)
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return error(f, VORBIS_seek_failed);
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return 1;
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}
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return 0;
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}
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@ -4673,10 +4724,10 @@ static int seek_to_sample_coarse(stb_vorbis *f, uint32 sample_number)
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// first probe (interpolate)
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double data_bytes = right.page_end - left.page_start;
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||||
bytes_per_sample = data_bytes / right.last_decoded_sample;
|
||||
offset = left.page_start + bytes_per_sample * (sample_number - left.last_decoded_sample);
|
||||
offset = left.page_start + bytes_per_sample * (last_sample_limit - left.last_decoded_sample);
|
||||
} else {
|
||||
// second probe (try to bound the other side)
|
||||
double error = ((double) sample_number - mid.last_decoded_sample) * bytes_per_sample;
|
||||
double error = ((double) last_sample_limit - mid.last_decoded_sample) * bytes_per_sample;
|
||||
if (error >= 0 && error < 8000) error = 8000;
|
||||
if (error < 0 && error > -8000) error = -8000;
|
||||
offset += error * 2;
|
||||
|
|
@ -4707,14 +4758,16 @@ static int seek_to_sample_coarse(stb_vorbis *f, uint32 sample_number)
|
|||
}
|
||||
|
||||
// if we've just found the last page again then we're in a tricky file,
|
||||
// and we're close enough.
|
||||
if (mid.page_start == right.page_start)
|
||||
break;
|
||||
|
||||
if (sample_number < mid.last_decoded_sample)
|
||||
right = mid;
|
||||
else
|
||||
left = mid;
|
||||
// and we're close enough (if it wasn't an interpolation probe).
|
||||
if (mid.page_start == right.page_start) {
|
||||
if (probe >= 2 || delta <= 65536)
|
||||
break;
|
||||
} else {
|
||||
if (last_sample_limit < mid.last_decoded_sample)
|
||||
right = mid;
|
||||
else
|
||||
left = mid;
|
||||
}
|
||||
|
||||
++probe;
|
||||
}
|
||||
|
|
@ -4830,8 +4883,8 @@ int stb_vorbis_seek_frame(stb_vorbis *f, unsigned int sample_number)
|
|||
flush_packet(f);
|
||||
}
|
||||
}
|
||||
// the next frame will start with the sample
|
||||
assert(f->current_loc == sample_number);
|
||||
// the next frame should start with the sample
|
||||
if (f->current_loc != sample_number) return error(f, VORBIS_seek_failed);
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
|
@ -5173,7 +5226,7 @@ static void convert_samples_short(int buf_c, short **buffer, int b_offset, int d
|
|||
|
||||
int stb_vorbis_get_frame_short(stb_vorbis *f, int num_c, short **buffer, int num_samples)
|
||||
{
|
||||
float **output;
|
||||
float **output = NULL;
|
||||
int len = stb_vorbis_get_frame_float(f, NULL, &output);
|
||||
if (len > num_samples) len = num_samples;
|
||||
if (len)
|
||||
|
|
|
|||
Loading…
Reference in New Issue