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| /*
| * Copyright 2015 Rockchip Electronics Co. LTD
| *
| * Licensed under the Apache License, Version 2.0 (the "License");
| * you may not use this file except in compliance with the License.
| * You may obtain a copy of the License at
| *
| * http://www.apache.org/licenses/LICENSE-2.0
| *
| * Unless required by applicable law or agreed to in writing, software
| * distributed under the License is distributed on an "AS IS" BASIS,
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
| * See the License for the specific language governing permissions and
| * limitations under the License.
| */
|
| #define MODULE_TAG "h265e_stream"
|
| #include "mpp_common.h"
| #include "mpp_mem.h"
|
| #include "h265e_stream.h"
| #include "h265e_codec.h"
|
| static const RK_U8 ue_size_tab[256] = {
| 1, 1, 3, 3, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7, 7, 7,
| 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
| 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
| 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
| 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
| 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
| 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
| 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
| 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
| 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
| 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
| 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
| 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
| 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
| 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
| 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
| };
|
| MPP_RET h265e_stream_init(H265eStream *s)
| {
| s->buf = mpp_calloc(RK_U8, H265E_EXTRA_INFO_BUF_SIZE);
| s->size = H265E_EXTRA_INFO_BUF_SIZE;
| mpp_writer_init(&s->enc_stream, s->buf, s->size);
| return MPP_OK;
| }
|
| MPP_RET h265e_stream_deinit(H265eStream *s)
| {
| MPP_FREE(s->buf);
| mpp_writer_reset(&s->enc_stream);
| return MPP_OK;
| }
|
| MPP_RET h265e_stream_reset(H265eStream *s)
| {
| mpp_writer_reset(&s->enc_stream);
| return MPP_OK;
| }
|
| MPP_RET h265e_stream_realign(H265eStream *s)
| {
| if (s->enc_stream.buffered_bits)
| mpp_writer_trailing(&s->enc_stream);
| return MPP_OK;
| }
|
| MPP_RET h265e_stream_write_with_log(H265eStream *s,
| RK_U32 val, RK_S32 i_count, char *name)
| {
|
| h265e_dbg(H265E_DBG_HEADER, "write bits name %s, count %d, val %d",
| name, i_count, val);
|
| mpp_writer_put_bits(&s->enc_stream, val, i_count);
| return MPP_OK;
| }
|
| MPP_RET h265e_stream_write1_with_log(H265eStream *s,
| RK_U32 val, char *name)
| {
| h265e_dbg(H265E_DBG_HEADER, "write 1 bit name %s, val %d", name, val);
|
| mpp_writer_put_bits(&s->enc_stream, val, 1);
|
| return MPP_OK;
| }
|
| MPP_RET h265e_stream_write_ue_with_log(H265eStream *s,
| RK_U32 val, char *name)
| {
|
| h265e_dbg(H265E_DBG_HEADER,
| "write UE bits name %s, val %d ",
| name, val);
| #if 1
| RK_S32 size = 0;
| RK_S32 tmp = ++val;
|
| h265e_dbg(H265E_DBG_HEADER,
| "write UE bits name %s, val %d ",
| name, val);
| if (tmp >= 0x10000) {
| size = 32;
| tmp >>= 16;
| }
| if (tmp >= 0x100) {
| size += 16;
| tmp >>= 8;
| }
| size += ue_size_tab[tmp];
|
| h265e_stream_write_with_log(s, 0, size >> 1, name);
| h265e_stream_write_with_log(s, val, (size >> 1) + 1, name);
| #else
| mpp_writer_write_ue(&s->enc_stream, val, name);
| #endif
| return MPP_OK;
| }
|
| MPP_RET h265e_stream_write_se_with_log(H265eStream *s,
| RK_S32 val, char *name)
| {
| RK_S32 size = 0;
| RK_S32 tmp = 1 - val * 2;
| if (tmp < 0)
| tmp = val * 2;
|
| val = tmp;
| if (tmp >= 0x100) {
| size = 16;
| tmp >>= 8;
| }
| size += ue_size_tab[tmp];
|
| h265e_dbg(H265E_DBG_HEADER,
| "write SE bits name %s, val %d ",
| name, val);
|
| return h265e_stream_write_with_log(s, val, size, name);;
| }
|
| MPP_RET h265e_stream_write32(H265eStream *s, RK_U32 i_bits,
| char *name)
| {
| h265e_stream_write_with_log(s, i_bits >> 16, 16, name);
| h265e_stream_write_with_log(s, i_bits, 16, name);
| return MPP_OK;
| }
|
| RK_S32 h265e_stream_size_se( RK_S32 val )
| {
| RK_S32 tmp = 1 - val * 2;
| if ( tmp < 0 ) tmp = val * 2;
| if ( tmp < 256 )
| return ue_size_tab[tmp];
| else
| return ue_size_tab[tmp >> 8] + 16;
| }
|
| MPP_RET h265e_stream_rbsp_trailing(H265eStream *s)
| {
| //align bits, 1+N zeros.
| mpp_writer_trailing(&s->enc_stream);
| return MPP_OK;
| }
|
| /*
| * Write the rest of cur_bits to the bitstream;
| * results in a bitstream no longer 32-bit aligned.
| */
| MPP_RET h265e_stream_flush(H265eStream *s)
| {
| if (s->enc_stream.buffered_bits)
| mpp_writer_trailing(&s->enc_stream);
| return MPP_OK;
| }
|
|
