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OggFlac & displayer fixes (see CHANGELOG) - release

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philippe44
2024-01-10 18:58:47 -08:00
parent b0d9e1668c
commit 55a8658f3a
8 changed files with 43 additions and 19 deletions
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34
components/squeezelite/stream.c
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@@ -62,6 +62,7 @@ static sockfd fd;
struct EXT_RAM_ATTR streamstate stream;
static EXT_RAM_ATTR struct {
bool flac;
enum { OGG_OFF, OGG_SYNC, OGG_HEADER, OGG_SEGMENTS, OGG_PAGE } state;
size_t want, miss, match;
u64_t granule;
@@ -183,6 +184,10 @@ static size_t memfind(const u8_t* haystack, size_t n, const char* needle, size_t
return i;
}
/* https://xiph.org/ogg/doc/framing.html
* https://xiph.org/flac/ogg_mapping.html
* https://xiph.org/vorbis/doc/Vorbis_I_spec.html#x1-610004.2 */
static void stream_ogg(size_t n) {
if (ogg.state == OGG_OFF) return;
u8_t* p = streambuf->writep;
@@ -212,9 +217,8 @@ static void stream_ogg(size_t n) {
ogg.data = (u8_t*) &ogg.header;
ogg.match = 0;
} else {
if (!ogg.match) {
LOG_INFO("OggS not at expected position %zu/%zu", pos, n);
}
if (!ogg.match) LOG_INFO("OggS not at expected position %zu/%zu", pos, n);
LOG_INFO("OggS not at expected position %zu/%zu", pos, n);
return;
}
break;
@@ -248,15 +252,19 @@ static void stream_ogg(size_t n) {
if (ogg.header.granule != -1) ogg.granule = ogg.header.granule;
break;
case OGG_PAGE: {
size_t offset = 0;
char** tag = (char* []){ "\x3vorbis", "OpusTags", NULL };
size_t ofs = 0;
// try to find one of valid Ogg pattern (vorbis, opus)
for (char** tag = (char*[]) { "\x3vorbis", "OpusTags", NULL }; *tag; tag++, offset = 0) {
size_t pos = memfind(ogg.data, ogg.want, *tag, strlen(*tag), &offset);
if (offset != strlen(*tag)) continue;
/* with OggFlac, we need the next page (packet) - VorbisComment is wrapped into a FLAC_METADATA
* and except with vorbis, comment packet starts a new page but even in vorbis, it won't span
* accross multiple pages */
if (ogg.flac) ofs = 4;
else if (!memcmp(ogg.data, "\x7f""FLAC", 5)) ogg.flac = true;
else for (size_t n = 0; *tag; tag++, ofs = 0) if ((ofs = memfind(ogg.data, ogg.want, *tag, strlen(*tag), &n)) && n == strlen(*tag)) break;
if (ofs) {
// u32:len,char[]:vendorId, u32:N, N x (u32:len,char[]:comment)
char* p = (char*) ogg.data + pos;
char* p = (char*) ogg.data + ofs;
p += *p + 4;
u32_t count = *p;
p += 4;
@@ -283,7 +291,6 @@ static void stream_ogg(size_t n) {
stream.meta_send = true;
wake_controller();
LOG_INFO("Ogg metadata length: %u", stream.header_len - 3);
break;
}
free(ogg.data);
ogg.data = NULL;
@@ -625,7 +632,7 @@ void stream_file(const char *header, size_t header_len, unsigned threshold) {
UNLOCK;
}
void stream_sock(u32_t ip, u16_t port, char codec, const char *header, size_t header_len, unsigned threshold, bool cont_wait) {
void stream_sock(u32_t ip, u16_t port, bool use_ssl, bool use_ogg, const char *header, size_t header_len, unsigned threshold, bool cont_wait) {
struct sockaddr_in addr;
#if EMBEDDED
@@ -726,7 +733,8 @@ void stream_sock(u32_t ip, u16_t port, char codec, const char *header, size_t he
stream.threshold = threshold;
ogg.miss = ogg.match = 0;
ogg.state = (codec == 'o' || codec == 'p') ? OGG_SYNC : OGG_OFF;
ogg.state = use_ogg ? OGG_SYNC : OGG_OFF;
ogg.flac = false;
UNLOCK;
}