Move plugins to external folder

applications/external/wav_player/wav_parser.c

@@ -0,0 +1,88 @@
+#include "wav_parser.h"
+
+#define TAG "WavParser"
+
+const char* format_text(FormatTag tag) {
+    switch(tag) {
+    case FormatTagPCM:
+        return "PCM";
+    case FormatTagIEEE_FLOAT:
+        return "IEEE FLOAT";
+    default:
+        return "Unknown";
+    }
+};
+
+struct WavParser {
+    WavHeaderChunk header;
+    WavFormatChunk format;
+    WavDataChunk data;
+    size_t wav_data_start;
+    size_t wav_data_end;
+};
+
+WavParser* wav_parser_alloc() {
+    return malloc(sizeof(WavParser));
+}
+
+void wav_parser_free(WavParser* parser) {
+    free(parser);
+}
+
+bool wav_parser_parse(WavParser* parser, Stream* stream, WavPlayerApp* app) {
+    stream_read(stream, (uint8_t*)&parser->header, sizeof(WavHeaderChunk));
+    stream_read(stream, (uint8_t*)&parser->format, sizeof(WavFormatChunk));
+    stream_read(stream, (uint8_t*)&parser->data, sizeof(WavDataChunk));
+
+    if(memcmp(parser->header.riff, "RIFF", 4) != 0 ||
+       memcmp(parser->header.wave, "WAVE", 4) != 0) {
+        FURI_LOG_E(TAG, "WAV: wrong header");
+        return false;
+    }
+
+    if(memcmp(parser->format.fmt, "fmt ", 4) != 0) {
+        FURI_LOG_E(TAG, "WAV: wrong format");
+        return false;
+    }
+
+    if(parser->format.tag != FormatTagPCM || memcmp(parser->data.data, "data", 4) != 0) {
+        FURI_LOG_E(
+            TAG,
+            "WAV: non-PCM format %u, next '%lu'",
+            parser->format.tag,
+            (uint32_t)parser->data.data);
+        return false;
+    }
+
+    FURI_LOG_I(
+        TAG,
+        "Format tag: %s, ch: %u, smplrate: %lu, bps: %lu, bits: %u",
+        format_text(parser->format.tag),
+        parser->format.channels,
+        parser->format.sample_rate,
+        parser->format.byte_per_sec,
+        parser->format.bits_per_sample);
+
+    app->sample_rate = parser->format.sample_rate;
+    app->num_channels = parser->format.channels;
+    app->bits_per_sample = parser->format.bits_per_sample;
+
+    parser->wav_data_start = stream_tell(stream);
+    parser->wav_data_end = parser->wav_data_start + parser->data.size;
+
+    FURI_LOG_I(TAG, "data: %u - %u", parser->wav_data_start, parser->wav_data_end);
+
+    return true;
+}
+
+size_t wav_parser_get_data_start(WavParser* parser) {
+    return parser->wav_data_start;
+}
+
+size_t wav_parser_get_data_end(WavParser* parser) {
+    return parser->wav_data_end;
+}
+
+size_t wav_parser_get_data_len(WavParser* parser) {
+    return parser->wav_data_end - parser->wav_data_start;
+}