初始提交卡包 USB 工程
纳入固件源码、屏幕组件、nand_xfer 工具和文档。忽略本机构建产物、sdkconfig,以及含本机路径的依赖锁。 Co-authored-by: Cursor <[email protected]>
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#ifndef OGG_DEMUX_H
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#define OGG_DEMUX_H
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#include <stdint.h>
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typedef struct {
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uint8_t header[27]; /* Ogg 页头 */
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uint8_t seg_count;
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uint8_t seg_table[255];
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uint32_t body_size;
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} ogg_page_t;
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/* 从数据缓冲中解析一页 Ogg,返回页体大小,<0 表示错误 */
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int ogg_parse_page(const uint8_t* buf, int buf_len, ogg_page_t* page);
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/* 根据 seg_table 把页体里的数据拼成一个 packet
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返回 packet 长度,<0 表示错误 */
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int ogg_extract_packet(const uint8_t* body, const ogg_page_t* page,
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uint8_t* packet, int packet_buf_size);
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#endif
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