| dircache font buffer | audiobuf mbuf (initially) | varies MAX_FONT_SIZE |
| DataBase dircache | audiobuf (initially) | varies |
| DataBase search instructions | | varies |
| playlist storage DataBase search instructions | | configurable varies |
| tree playlist storage | | configurable |
| LastFMLog tree storage cache | scrobbler_cache | SCROBBLER_MAX_CACHE configurable * SCROBBLER_CACHE_LEN (optional) |
| Cuesheet buffer LastFMLog cache | scrobbler_cache | 2 SCROBBLER_MAX_CACHE * sizeof(struct SCROBBLER_CACHE_LEN cuesheet) (optional) |
| voice Cuesheet thumbnail buffer (.talk clips) | | MAX_THUMBNAIL_BUFSIZE 2 * sizeof(struct cuesheet) (optional) |
| voice file thumbnail buffer (.talk clips) | audiobuf (after initialisation complete) | talk_get_bufsize() MAX_THUMBNAIL_BUFSIZE |
| codec malloc voice file buffer | &audiobuf[talk_get_bufsize()] audiobuf (after initialisation complete) | MALLOC_BUFSIZE talk_get_bufsize() |
| compressed codec data (+ malloc buffer guard buffer) | filebuf &audiobuf[talk_get_bufsize()] = &audiobuf[talk_get_bufsize()+MALLOC_BUFSIZE] | as MALLOC_BUFSIZE big as possible |
| audio compressed codec IRAM data (+ guard buffer) | filebuf + filebuflen = &audiobuf[talk_get_bufsize()+MALLOC_BUFSIZE] | CODEC_IRAM_SIZE as big as possible |
| voice audio codec IRAM | filebuf + filebuflen | CODEC_IRAM_SIZE (if talk_voice_required()) |
| voice codec DRAM IRAM | | CODEC_SIZE CODEC_IRAM_SIZE (if talk_voice_required()) |
| voice codec DRAM | | CODEC_SIZE (if talk_voice_required()) |
| PCM buffers/descriptors voice codec DRAM | audiobufend - (pcmbuf_size + pcmbufdesc_size + PCMBUF_MIX_CHUNK*2) | pcmbuf_size + pcmbufdesc_size CODEC_SIZE (if talk_voice_required()) |
| PCM crossfade buffers/descriptors buffer | audiobufend - PCMBUF_MIX_CHUNK*2 (pcmbuf_size + pcmbufdesc_size + PCMBUF_MIX_CHUNK*2) | PCMBUF_MIX_CHUNK pcmbuf_size + pcmbufdesc_size |
| PCM voice crossfade mix buffer | audiobufend - PCMBUF_MIX_CHUNK PCMBUF_MIX_CHUNK*2 | PCMBUF_MIX_CHUNK |
| (end) PCM voice mix buffer | audiobufend - PCMBUF_MIX_CHUNK | PCMBUF_MIX_CHUNK |
| (end) | audiobufend | |
