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feat(video): 事务化切换与前端统一编排，增强视频输入格式支持

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- 后端：切换事务+transition_id，/stream/mode 返回 switching/transition_id 与实际 codec

- 事件：新增 mode_switching/mode_ready，config/webrtc_ready/mode_changed 关联事务

- 编码/格式：扩展 NV21/NV16/NV24/RGB/BGR 输入与转换链路，RKMPP direct input 优化

- 前端：useVideoSession 统一切换，失败回退真实切回 MJPEG，菜单格式同步修复

- 清理：useVideoStream 降级为 MJPEG-only
This commit is contained in:
mofeng-git
2026-01-11 10:41:57 +08:00
parent 9feb74b72c
commit 206594e292
110 changed files with 3955 additions and 2251 deletions
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11
src/webrtc/h265_payloader.rs
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@@ -38,12 +38,12 @@ const H265_NAL_PPS: u8 = 34;
const H265_NAL_AUD: u8 = 35;
const H265_NAL_FILLER: u8 = 38;
#[allow(dead_code)]
const H265_NAL_SEI_PREFIX: u8 = 39; // PREFIX_SEI_NUT
const H265_NAL_SEI_PREFIX: u8 = 39; // PREFIX_SEI_NUT
#[allow(dead_code)]
const H265_NAL_SEI_SUFFIX: u8 = 40; // SUFFIX_SEI_NUT
const H265_NAL_SEI_SUFFIX: u8 = 40; // SUFFIX_SEI_NUT
#[allow(dead_code)]
const H265_NAL_AP: u8 = 48; // Aggregation Packet
const H265_NAL_FU: u8 = 49; // Fragmentation Unit
const H265_NAL_AP: u8 = 48; // Aggregation Packet
const H265_NAL_FU: u8 = 49; // Fragmentation Unit
/// H.265 NAL header size
const H265_NAL_HEADER_SIZE: usize = 2;
@@ -228,7 +228,8 @@ impl H265Payloader {
let fragment_size = remaining.min(max_fragment_size);
// Create FU packet
let mut packet = BytesMut::with_capacity(H265_NAL_HEADER_SIZE + H265_FU_HEADER_SIZE + fragment_size);
let mut packet =
BytesMut::with_capacity(H265_NAL_HEADER_SIZE + H265_FU_HEADER_SIZE + fragment_size);
// NAL header for FU (2 bytes)
// Preserve F bit (bit 7) and LayerID MSB (bit 0) from original, set Type to 49