Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources

2026-07-06 11:30:13 +08:00
commit e76462eeb7
3451 changed files with 1415300 additions and 0 deletions
--- a/sdk/lib/video/de_avi/avidemux.h
+++ b/sdk/lib/video/de_avi/avidemux.h
@@ -0,0 +1,138 @@
+#ifndef __AVIDEMUX_H
+#define __AVIDEMUX_H
+typedef unsigned long DWORD;
+//typedef unsigned int uint32_t;
+//typedef unsigned int uint32_t;
+typedef unsigned short int WORD;
+typedef unsigned char BYTE;
+//typedef unsigned char uint8_t;
+
+
+struct avi_msg
+{
+  uint32_t audio_sample_rate;
+  uint32_t video_sample_rate;
+};
+
+struct _avisuperindex_entry_cache {
+  DWORD dwOffsetl;
+  DWORD dwOffseth;
+  //超级索引表的数量
+  DWORD dwSize;
+  //编号起始地址
+  DWORD offset; // frames
+};
+
+#ifndef AVI_STREAM_HEADER
+#define AVI_STREAM_HEADER
+
+typedef struct _avistreamheader {
+  DWORD fcc;
+  DWORD cb;
+  DWORD fccType;
+  DWORD fccHandler;
+  DWORD dwFlags;
+  WORD  wPriority;
+  WORD  wLanguage;
+  DWORD dwInitialFrames;
+  DWORD dwScale;
+  DWORD dwRate;
+  DWORD dwStart;
+  DWORD dwLength;
+  DWORD dwSuggestedBufferSize;
+  DWORD dwQuality;
+  DWORD dwSampleSize;
+  struct {
+    short int left;
+    short int top;
+    short int right;
+    short int bottom;
+  } rcFrame;
+} AVISTREAMHEADER;
+#endif
+struct _aviindex_chunk {
+  DWORD fcc;
+  DWORD cb;
+  WORD  wLongsPerEntry;
+  BYTE  bIndexSubType;
+  BYTE  bIndexType;
+  DWORD nEntriesInUse;
+  DWORD dwChunkId;
+  DWORD dwBaseOffsetl;
+  DWORD dwBaseOffseth;
+  DWORD dwReserved;
+};
+
+#ifndef AVI_SUPER_INDEX
+#define AVI_SUPER_INDEX
+struct _avisuperindex_entry {
+  DWORD dwOffsetl;
+  DWORD dwOffseth;
+  DWORD dwSize;
+  DWORD dwDuration; // frames
+};
+
+struct _avistdindex_entry {
+  DWORD dwOffset;
+  DWORD dwSize;
+};
+#endif
+struct avistrinfo {
+  struct aviinfo *avi;
+  uint32_t type;
+  DWORD dwScale;        // 來自strh的dwScale，但乘以1000以折算成毫秒
+  DWORD dwRate;         // 來自strh的dwRate
+  DWORD dwTotalFrames;  // 來自strh的dwLength
+  DWORD dwIndexNum;     // 來自indx的dwEntriesInUse,超级索引数量
+  DWORD dwIndexBase;    // 指向indx的aIndex[]在文件中的位置
+  DWORD dwDuration;     // 要求所有超級索引都指向相同長度的標準索引，這樣可以加速索引計算
+  DWORD dwEntryNum;     // 緩存的std_index中的nEntriesInUse,某个超级索引指向的标准索引数量
+  DWORD dwEntryBase;    // 緩存的std_index中的dwBaseOffsetl
+
+  uint32_t cur;         // 當前播放點。視頻幀號、或音頻包號
+  uint32_t super_idx;   // 當前緩存的標準索引，對應超級索引的哪一項
+
+  DWORD cached_indx_base; // 當前緩存的超級索引扇區地址
+  DWORD cached_ixnn_base; // 當前緩存的標準索引扇區地址
+
+  struct _aviindex_chunk chunk;
+  struct _avisuperindex_entry_cache *superindex_cache;
+  struct _avistdindex_entry    *stindex_cache;
+};
+
+struct aviinfo {
+  void             *fp;         // 文件句柄
+  uint32_t          start_time; // 第一幀播放的起始時間
+  uint32_t          strmsk;     // 有效流的掩碼
+  uint8_t			speed;
+  struct avistrinfo str[2];     // 兩個流
+};
+
+
+struct avifp
+{
+	void *fp;
+	void *thread_handle;
+	struct aviinfo *aviinfo_point;
+	int running;
+};
+
+void *avidemux_parse(void *fp,void *aviinfo_point);
+uint32_t avidemux_read_begin(struct avistrinfo *str, uint32_t *base, uint32_t *size);
+void  avi_read_thread(void *d);
+uint32_t avidemux_read (struct avistrinfo *str, uint8_t *buf, uint32_t len);
+void *avidemux_stream (struct aviinfo *avi, uint32_t idx);
+uint32_t avidemux_set_cur (struct avistrinfo *str,uint32_t cur);
+uint32_t get_avidemux_parse_stream(char *path,struct avi_msg *msg);
+void free_aviinfo_point(struct aviinfo *info);
+uint32_t read_avi_offset(struct avistrinfo *str,uint32_t *base,uint32_t *size);
+uint32_t read_avi_data(struct avistrinfo *str,char *buf,uint32_t size);
+uint32_t get_avi_cur(struct avistrinfo *info);
+
+
+
+
+
+
+
+#endif