166 void h265e_cabac_resetBits(H265eCabacCtx *cabac_ctx)  in h265e_cabac_resetBits()  argument
170     cabac_ctx->m_low              = 0;  in h265e_cabac_resetBits()
171     cabac_ctx->m_bitsLeft         = -12;  in h265e_cabac_resetBits()
172     cabac_ctx->m_numBufferedBytes = 0;  in h265e_cabac_resetBits()
173     cabac_ctx->m_bufferedByte     = 0xff;  in h265e_cabac_resetBits()
174     cabac_ctx->m_fracBits           = 0;  in h265e_cabac_resetBits()
179 void h265e_cabac_start(H265eCabacCtx *cabac_ctx)  in h265e_cabac_start()  argument
182     cabac_ctx->m_low              = 0;  in h265e_cabac_start()
183     cabac_ctx->m_range            = 510;  in h265e_cabac_start()
184     cabac_ctx->m_bitsLeft         = -12;  in h265e_cabac_start()
185     cabac_ctx->m_numBufferedBytes = 0;  in h265e_cabac_start()
186     cabac_ctx->m_bufferedByte     = 0xff;  in h265e_cabac_start()
189 void h265e_cabac_init(H265eCabacCtx *cabac_ctx, MppWriteCtx * bitIf)  in h265e_cabac_init()  argument
192     cabac_ctx->m_bitIf = bitIf;  in h265e_cabac_init()
193     h265e_cabac_start(cabac_ctx);  in h265e_cabac_init()
197 void h265e_cabac_writeOut(H265eCabacCtx *cabac_ctx)  in h265e_cabac_writeOut()  argument
199     MppWriteCtx* s = cabac_ctx->m_bitIf;  in h265e_cabac_writeOut()
200     RK_U32 leadByte = cabac_ctx->m_low >> (13 + cabac_ctx->m_bitsLeft);  in h265e_cabac_writeOut()
201     RK_U32 low_mask = (RK_U32)(~0) >> (11 + 8 - cabac_ctx->m_bitsLeft);  in h265e_cabac_writeOut()
204     cabac_ctx->m_bitsLeft -= 8;  in h265e_cabac_writeOut()
205     cabac_ctx->m_low &= low_mask;  in h265e_cabac_writeOut()
208         cabac_ctx->m_numBufferedBytes++;  in h265e_cabac_writeOut()
210         RK_U32 numBufferedBytes = cabac_ctx->m_numBufferedBytes;  in h265e_cabac_writeOut()
213             RK_U32 byteTowrite = cabac_ctx->m_bufferedByte + carry;  in h265e_cabac_writeOut()
223         cabac_ctx->m_numBufferedBytes = 1;  in h265e_cabac_writeOut()
224         cabac_ctx->m_bufferedByte = (uint8_t)leadByte;  in h265e_cabac_writeOut()
236 void h265e_cabac_encodeBin(H265eCabacCtx *cabac_ctx, H265eContextModel_t *ctxModel, RK_U32 binValue)  in h265e_cabac_encodeBin()  argument
246     RK_U32 range = cabac_ctx->m_range;  in h265e_cabac_encodeBin()
255     RK_U32 low = cabac_ctx->m_low;  in h265e_cabac_encodeBin()
272     cabac_ctx->m_low = (low << numBits);  in h265e_cabac_encodeBin()
273     cabac_ctx->m_range = (range << numBits);  in h265e_cabac_encodeBin()
274     cabac_ctx->m_bitsLeft += numBits;  in h265e_cabac_encodeBin()
277     if (cabac_ctx->m_bitsLeft >= 0) {  in h265e_cabac_encodeBin()
278         h265e_cabac_writeOut(cabac_ctx);  in h265e_cabac_encodeBin()
284 void h265e_cabac_encodeBinTrm(H265eCabacCtx *cabac_ctx, RK_U32 binValue)  in h265e_cabac_encodeBinTrm()  argument
289     cabac_ctx->m_range -= 2;  in h265e_cabac_encodeBinTrm()
291         cabac_ctx->m_low  += cabac_ctx->m_range;  in h265e_cabac_encodeBinTrm()
292         cabac_ctx->m_low <<= 7;  in h265e_cabac_encodeBinTrm()
293         cabac_ctx->m_range = 2 << 7;  in h265e_cabac_encodeBinTrm()
294         cabac_ctx->m_bitsLeft += 7;  in h265e_cabac_encodeBinTrm()
295     } else if (cabac_ctx->m_range >= 256) {  in h265e_cabac_encodeBinTrm()
298         cabac_ctx->m_low   <<= 1;  in h265e_cabac_encodeBinTrm()
299         cabac_ctx->m_range <<= 1;  in h265e_cabac_encodeBinTrm()
300         cabac_ctx->m_bitsLeft++;  in h265e_cabac_encodeBinTrm()
303     if (cabac_ctx->m_bitsLeft >= 0) {  in h265e_cabac_encodeBinTrm()
304         h265e_cabac_writeOut(cabac_ctx);  in h265e_cabac_encodeBinTrm()
310 void h265e_cabac_finish(H265eCabacCtx *cabac_ctx)  in h265e_cabac_finish()  argument
312     MppWriteCtx* s = cabac_ctx->m_bitIf;  in h265e_cabac_finish()
316     if (cabac_ctx->m_low >> (21 + cabac_ctx->m_bitsLeft)) {  in h265e_cabac_finish()
318         mpp_writer_put_bits(s, cabac_ctx->m_bufferedByte + 1, 8);  in h265e_cabac_finish()
319         while (cabac_ctx->m_numBufferedBytes > 1) {  in h265e_cabac_finish()
321             cabac_ctx->m_numBufferedBytes--;  in h265e_cabac_finish()
324         cabac_ctx->m_low -= 1 << (21 + cabac_ctx->m_bitsLeft);  in h265e_cabac_finish()
326         if (cabac_ctx->m_numBufferedBytes > 0) {  in h265e_cabac_finish()
328             mpp_writer_put_bits(s, cabac_ctx->m_bufferedByte , 8);  in h265e_cabac_finish()
330         while (cabac_ctx->m_numBufferedBytes > 1) {  in h265e_cabac_finish()
332             cabac_ctx->m_numBufferedBytes--;  in h265e_cabac_finish()
335     mpp_writer_put_bits(s, cabac_ctx->m_low >> 8 , 13 + cabac_ctx->m_bitsLeft);  in h265e_cabac_finish()
340 void h265e_cabac_flush(H265eCabacCtx *cabac_ctx)  in h265e_cabac_flush()  argument
342     MppWriteCtx* s = cabac_ctx->m_bitIf;  in h265e_cabac_flush()
346     h265e_cabac_encodeBinTrm(cabac_ctx, 1);  in h265e_cabac_flush()
347     h265e_cabac_finish(cabac_ctx);  in h265e_cabac_flush()
350     h265e_cabac_start(cabac_ctx);  in h265e_cabac_flush()