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TAIXIN/sdk/app/decode/h264_decode_msi.c

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Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources
2026-07-06 11:30:13 +08:00
#include "basic_include.h"
#include "dev.h"
#include "dev/jpg/hgjpg.h"
#include "dev/scale/hgscale.h"
#include "devid.h"
#include "lib/lcd/lcd.h"
#include "osal/work.h"
#include "stream_frame.h"
#include "sys_config.h"
#include "typesdef.h"
#include "utlist.h"
#include "basic_include.h"
#include "lib/heap/av_heap.h"
#include "lib/heap/av_psram_heap.h"
#include "lib/multimedia/msi.h"
#include "lib/video/dvp/jpeg/jpg_common.h"
#include "osal/event.h"
#include "user_work/user_work.h"
#include "lib/video/h264/h264_drv.h"
#include "dev/h264/hg264.h"
#include "lib/scale/scale_common.h"
#include "scale/scale_dev.h"
#ifndef DECODE_MAX_W
#define DECODE_MAX_W (320)
#endif
#ifndef DECODE_MAX_H
#define DECODE_MAX_H (180)
#endif
#define DECODE_MAX_SIZE (DECODE_MAX_W * DECODE_MAX_H * 3 / 2)
#define H264_ROM_MIN_SIZE (100 * 1024 + 4096)
extern void scale2_from_jpeg_config_for_msi(struct scale_device *scale_dev, uint32_t yinsram, uint32_t uinsram, uint32_t vinsram, uint32_t yuvoutbuf, uint32 in_w, uint32 in_h, uint32 out_w,
uint32 out_h, uint8_t larger);
// data申请空间函数
#define STREAM_MALLOC av_psram_malloc
#define STREAM_FREE av_psram_free
#define STREAM_ZALLOC av_psram_zalloc
// 结构体申请空间函数
#define STREAM_LIBC_MALLOC av_malloc
#define STREAM_LIBC_FREE av_free
#define STREAM_LIBC_ZALLOC av_zalloc
#define MAX_DECODE_NUM (8)
#ifndef MAX_DECODE_YUV_TX
#define MAX_DECODE_YUV_TX (1)
#endif
struct h264_msi_s
{
struct os_work work;
struct msi *msi;
struct fbpool tx_pool;
uint8_t *scaler2buf_y;
uint8_t *scaler2buf_u;
uint8_t *scaler2buf_v;
struct h264_device *h264_dev;
struct scale_device *scale_dev;
uint32_t last_decode_time; // 记录上一次解码的时间,预防有异常的时候可以计算超时
uint32_t dec_y_offset;
uint32_t dec_uv_offset;
uint16_t now_decode_pw;
uint16_t scale_p1_w;
uint16_t p1_w;
uint16_t p1_h;
struct framebuff *parent_fb;
struct framebuff *current_fb;
uint32_t max_data_size;
struct str_info h264_str;
struct h264_header h264_head;
struct h264_cfg_t dec_cfg;
struct h264_ctl_t dec_ctl;
uint32_t rom_max_size;
uint8_t *rom;
uint8_t *ref_mem;
uint32_t ref_max_size;
uint16_t w, h;
// 硬件模块是否准备好
// 是否自动释放空间(可能会导致碎片化严重,但是可以充分利用空间)
uint8_t hardware_ready : 1, auto_free_space : 1, hardware_err : 1, is_register_isr : 1, sps_flag : 1, only_I_H264 : 1, unlock : 1, rev : 1;
};
static void stream_jpg_decode_scale2_done(uint32 irq_flag, uint32 irq_data, uint32 param1)
{
}
static void stream_jpg_decode_scale2_ov_isr(uint32 irq_flag, uint32 irq_data, uint32 param1)
{
// struct scale_device *scale_dev = (struct scale_device *)irq_data;
}
static int32_t h264_dec_done(uint32 irq_flags, uint32 irq_data, uint32 param)
{
struct h264_msi_s *decode = (struct h264_msi_s *) irq_data;
decode->hardware_ready = 1;
return 0;
}
static int32 h264_decode_work(struct os_work *work)
{
int ret;
uint8_t unlock = 0;
struct h264_msi_s *decode = (struct h264_msi_s *) work;
struct framebuff *fb;
// static int count = 0;
// 检测解码模块是否完成或者超时代表解码失败
// 能进去,模块需要reset或者已经解码完毕,可以重新去解码,否则只能慢慢等超时或者硬件解码完成
if (decode->hardware_err || decode->hardware_ready || os_jiffies() - decode->last_decode_time > 1000)
{
if (decode->current_fb && (os_jiffies() - decode->last_decode_time > 1000))
{
// 解码可能失败了
os_printf(KERN_ERR "decode failed1:%d\n", decode->hardware_ready);
os_printf(KERN_ERR "decode->hardware_err:%d\n", decode->hardware_err);
decode->sps_flag = 0;
decode->hardware_ready = 1;
// 无论是完成还是失败,都要释放这张图片了
msi_delete_fb(NULL, decode->parent_fb);
decode->parent_fb = NULL;
// 不再解码了
msi_delete_fb(NULL, decode->current_fb);
decode->current_fb = NULL;
// 这里最好将硬件模块停止
// 解锁
unlock = 1;
}
// 解码异常
else if (decode->hardware_err)
{
h264_dec_intr_status(decode->h264_dev, &decode->dec_ctl);
//-- clear the frm end flag
h264_clr_intr(decode->h264_dev);
h264_dec_flag_chk(decode->dec_ctl.enc_end_flags);
_os_printf(KERN_ERR "decode failed2\n");
decode->hardware_err = 0;
decode->hardware_ready = 1;
if (decode->current_fb)
{
// 无论是完成还是失败,都要释放这张图片了
msi_delete_fb(NULL, decode->parent_fb);
decode->parent_fb = NULL;
// 不再解码了
msi_delete_fb(NULL, decode->current_fb);
decode->current_fb = NULL;
}
// 解锁
unlock = 1;
}
// 解码完成,检查有解码完的数据需要发送
else if (decode->current_fb)
{
h264_dec_intr_status(decode->h264_dev, &decode->dec_ctl);
//-- clear the frm end flag
h264_clr_intr(decode->h264_dev);
h264_dec_flag_chk(decode->dec_ctl.enc_end_flags);
// os_printf("%s:%d\tbuf:%X\n",__FUNCTION__,__LINE__,get_stream_real_data(decode->current_fb));
fb = decode->current_fb;
fb->time = decode->parent_fb->time;
fb->mtype = F_YUV;
fb->stype = decode->parent_fb->stype;
fb->datatag = decode->parent_fb->datatag;
fb->srcID = decode->parent_fb->srcID;
_os_printf("&");
msi_output_fb(decode->msi, fb);
// 无论是完成还是失败,都要释放这张图片了
msi_delete_fb(NULL, decode->parent_fb);
decode->parent_fb = NULL;
decode->current_fb = NULL;
decode->is_register_isr = 0;
// 解锁
unlock = 1;
}
// 硬件可用,但是current_fb不存在
// 有两种可能
// 一、没有需要解码的图片
// 二、有需要解码的图片,但是fb没有申请成功或者内存空间不足以去解码图片数据
else
{
}
if (unlock)
{
scale_mutex_unlock(2, SCALE_LOCK_H264_DECODE1);
unlock = 0;
decode->unlock = 0;
}
// 这里没有解码的图片,尝试去看看有没有需要解码图片
if (!decode->parent_fb)
{
// 接收图片,尝试看看是否要解码
decode->parent_fb = msi_get_fb(decode->msi, 0);
// 需要解码,然后申请空间
if (decode->parent_fb)
{
goto start_decode;
}
// 不需要解码
else
{
// 为了腾出空间,释放空间
if (decode->auto_free_space)
{
if (decode->scaler2buf_y)
{
STREAM_LIBC_FREE(decode->scaler2buf_y);
decode->scaler2buf_y = NULL;
}
if (decode->scaler2buf_u)
{
STREAM_LIBC_FREE(decode->scaler2buf_u);
decode->scaler2buf_u = NULL;
}
if (decode->scaler2buf_v)
{
STREAM_LIBC_FREE(decode->scaler2buf_v);
decode->scaler2buf_v = NULL;
}
decode->now_decode_pw = 0;
}
goto not_decode;
}
}
else
{
goto start_decode;
}
// 开始尝试解码
start_decode:
// 检查是否需要解码(检查绑定msi的模块是否需要接收)
{
uint32_t send_count = msi_output_fb(decode->msi, NULL);
// os_printf("send_count:%X\n",send_count);
if (!send_count)
{
msi_delete_fb(NULL, decode->parent_fb);
decode->parent_fb = NULL;
goto not_decode;
}
}
struct framebuff *rfb = decode->parent_fb->next;
struct fb_h264_s *h264_priv = (struct fb_h264_s *) rfb->priv;
// w变化,就需要等待I帧
if (decode->w != h264_priv->w || decode->h != h264_priv->h)
{
decode->sps_flag = 0;
if (decode->ref_mem && (uint32_t) decode->ref_mem != 0x40000000)
{
uint32_t r_w = ((h264_priv->w + 15) >> 4) << 4;
uint32_t r_h = ((h264_priv->h + 15) >> 4) << 4;
uint32_t ref_max_size = (r_w * (r_h + 48)) + (r_w * (r_h + 48)) / 2 + 3 * 4096;
if (decode->ref_max_size < ref_max_size)
{
STREAM_FREE(decode->ref_mem);
decode->ref_mem = NULL;
decode->ref_max_size = 0;
decode->w = 0;
decode->h = 0;
}
// 如果空间足够,修改frm_width与frm_height
else
{
decode->w = h264_priv->w;
decode->h = h264_priv->h;
decode->dec_cfg.frm_width = r_w;
decode->dec_cfg.frm_height = r_h;
}
}
}
// 如果不是I帧,并且sps_flag没有解析过,就删除编码,等待到I帧
if (h264_priv->type != 1 && !decode->sps_flag)
{
msi_delete_fb(NULL, decode->parent_fb);
decode->parent_fb = NULL;
os_printf("type:%d\n", h264_priv->type);
os_printf("sps_flag:%d\n", decode->sps_flag);
goto not_decode;
}
// 如果空间不够,那么就重新申请空间
if (decode->rom_max_size < rfb->len)
{
STREAM_FREE(decode->rom);
decode->rom = NULL;
decode->rom_max_size = 0;
}
if (!decode->rom)
{
uint32_t rom_max_size = rfb->len > H264_ROM_MIN_SIZE ? rfb->len : H264_ROM_MIN_SIZE;
decode->rom = STREAM_MALLOC(rom_max_size + 4096);
if (decode->rom)
{
decode->rom_max_size = rom_max_size;
}
}
if (h264_priv->type == 1)
{
if (decode->only_I_H264)
{
uint32_t w = h264_priv->w;
uint32_t h = h264_priv->h;
uint32_t r_w = ((w + 15) >> 4) << 4;
uint32_t r_h = ((h + 15) >> 4) << 4;
decode->dec_cfg.frm_width = r_w;
decode->dec_cfg.frm_height = r_h;
decode->w = w;
decode->h = h;
decode->ref_mem = (uint8_t *) 0x40000000;
}
else
{
if (!decode->ref_mem)
{
uint32_t w = h264_priv->w;
uint32_t h = h264_priv->h;
uint32_t r_w = ((w + 15) >> 4) << 4;
uint32_t r_h = ((h + 15) >> 4) << 4;
decode->ref_mem = STREAM_MALLOC((r_w * (r_h + 48)) + (r_w * (r_h + 48)) / 2 + 3 * 4096);
if (decode->ref_mem)
{
decode->ref_max_size = (r_w * (r_h + 48)) + (r_w * (r_h + 48)) / 2 + 3 * 4096;
sys_dcache_clean_range((uint32_t *) decode->ref_mem, decode->ref_max_size);
decode->dec_cfg.frm_width = r_w;
decode->dec_cfg.frm_height = r_h;
decode->w = w;
decode->h = h;
}
}
}
}
// 如果是P帧,如果是I帧only就不需要解码P帧
else if (h264_priv->type == 2 && decode->only_I_H264)
{
msi_delete_fb(NULL, decode->parent_fb);
decode->parent_fb = NULL;
goto not_decode;
}
if (!decode->only_I_H264 && !decode->ref_mem)
{
os_printf("malloc fail ref_mem:%X\n", decode->ref_mem);
goto not_decode;
}
// 申请空间失败
if (!decode->rom)
{
os_printf("malloc fail rom:%X\tref_mem:%X\n", decode->rom, decode->ref_mem);
goto not_decode;
}
if (decode->w != h264_priv->w || decode->h != h264_priv->h)
{
os_printf(KERN_ERR "h264_decode_msi: w[%d] or h[%d] not match dw[%d],dh[%d]\n", h264_priv->w, h264_priv->h, decode->w, decode->h);
// 移除,不符合要求,不解码
msi_delete_fb(NULL, decode->parent_fb);
decode->parent_fb = NULL;
goto not_decode;
}
// 获取锁
ret = scale_mutex_lock(2, SCALE_LOCK_H264_DECODE1, NULL);
if (ret)
{
goto not_decode;
}
decode->unlock = 1;
// 申请到fb,申请解码空间
fb = fbpool_get(&decode->tx_pool, 0, decode->msi);
if (fb)
{
// 因为这个是解码的数据,所以默认parent_fb的data是一个参数内容,而不是真实的data,真实jpg的data应该是附在parent_fb后面其他节点
struct jpg_decode_arg_s *msg = (struct jpg_decode_arg_s *) decode->parent_fb->data;
// 没有找到,代表发送过来的不是jpg或者说对应参数没有配置,不解码
if (msg)
{
// 为fb申请解码空间,申请不到下次申请
fb->len = msg->yuv_arg.out_w * msg->yuv_arg.out_h * 3 / 2;
if (fb->len <= decode->max_data_size)
{
struct jpg_decode_arg_s *cfg;
cfg = (struct jpg_decode_arg_s *) fb->priv;
memset(cfg, 0, sizeof(struct jpg_decode_arg_s));
// 提前配置好data的长度
memcpy(fb->priv, msg, sizeof(struct jpg_decode_arg_s));
msi_do_cmd(decode->msi, MSI_CMD_DECODE, MSI_DECODE_SET_W_H, (uint32_t) fb);
// fb->type = SET_DATA_TYPE(YUV, GET_DATA_TYPE2(decode->parent_fb->type));
// msi_do_cmd(decode->msi, MSI_CMD_DECODE, MSI_DECODE_SET_STEP, (uint32_t) cfg);
msi_do_cmd(decode->msi, MSI_CMD_DECODE, MSI_DECODE_READY, (uint32_t) fb);
if (!decode->hardware_err)
{
msi_do_cmd(decode->msi, MSI_CMD_DECODE, MSI_DECOE_START, (uint32_t) decode->parent_fb);
}
decode->current_fb = fb;
decode->last_decode_time = os_jiffies();
}
else
{
os_printf(KERN_ERR "config err,max size w:%d\th:%d\tmax_mem:%d\n", DECODE_MAX_W, DECODE_MAX_H, decode->max_data_size);
// 不符合,需要删除,不去解码
msi_delete_fb(NULL, decode->parent_fb);
decode->parent_fb = NULL;
msi_delete_fb(NULL, fb);
fb = NULL;
// 解锁
unlock = 1;
}
}
else
{
os_printf("%s:%d\tdecode msg isn't normal\tmsg:%X\tname:%s\n", __FUNCTION__, __LINE__, msg, decode->parent_fb->msi->name);
// 不符合,需要删除,不去编码
msi_delete_fb(NULL, decode->parent_fb);
decode->parent_fb = NULL;
msi_delete_fb(NULL, fb);
fb = NULL;
// 解锁
unlock = 1;
}
}
else
{
// 解锁
unlock = 1;
}
}
not_decode:
if (unlock)
{
scale_mutex_unlock(2, SCALE_LOCK_H264_DECODE1);
decode->unlock = 0;
}
os_run_work_delay(work, 1);
return 0;
}
static int decode_msi_action(struct msi *msi, uint32 cmd_id, uint32 param1, uint32 param2)
{
int ret = RET_OK;
struct h264_msi_s *decode = (struct h264_msi_s *) msi->priv;
switch (cmd_id)
{
case MSI_CMD_POST_DESTROY:
{
struct framebuff *fb;
if (decode->unlock)
{
scale_mutex_unlock(2, SCALE_LOCK_H264_DECODE1);
decode->unlock = 0;
}
if (decode->rom)
{
STREAM_FREE(decode->rom);
decode->rom = NULL;
}
if (decode->ref_mem && (uint32_t) decode->ref_mem != 0x40000000)
{
STREAM_FREE(decode->ref_mem);
decode->ref_mem = NULL;
decode->ref_max_size = 0;
}
// 释放资源fb资源文件,priv是独立申请的
while (1)
{
fb = fbpool_get(&decode->tx_pool, 0, NULL);
if (!fb)
{
break;
}
// 预分配空间释放
if (fb->priv)
{
STREAM_LIBC_FREE(fb->priv);
}
// 预分配空间释放
if (fb->data)
{
STREAM_FREE(fb->data);
fb->data = NULL;
}
}
fbpool_destroy(&decode->tx_pool);
if (decode->scaler2buf_y)
{
STREAM_LIBC_FREE(decode->scaler2buf_y);
decode->scaler2buf_y = NULL;
}
if (decode->scaler2buf_u)
{
STREAM_LIBC_FREE(decode->scaler2buf_u);
decode->scaler2buf_u = NULL;
}
if (decode->scaler2buf_v)
{
STREAM_LIBC_FREE(decode->scaler2buf_v);
decode->scaler2buf_v = NULL;
}
STREAM_LIBC_FREE(decode);
}
break;
// 停止硬件
case MSI_CMD_PRE_DESTROY:
{
os_work_cancle2(&decode->work, 1);
// 关闭硬件
scale_close(decode->scale_dev);
if (decode->current_fb)
{
msi_delete_fb(NULL, decode->current_fb);
decode->current_fb = NULL;
}
if (decode->parent_fb)
{
msi_delete_fb(NULL, decode->parent_fb);
decode->parent_fb = NULL;
}
}
break;
case MSI_CMD_FREE_FB:
{
struct framebuff *fb = (struct framebuff *) param1;
fbpool_put(&decode->tx_pool, fb);
// 不需要内核去释放fb
ret = RET_OK + 1;
}
break;
case MSI_CMD_DECODE:
{
uint32_t cmd_self = (uint32_t) param1;
uint32_t arg = param2;
switch (cmd_self)
{
case MSI_DECODE_SET_W_H:
{
struct framebuff *fb = (struct framebuff *) arg;
struct jpg_decode_arg_s *cfg = (struct jpg_decode_arg_s *) fb->priv;
struct h264_msi_s *decode = (struct h264_msi_s *) msi->priv;
decode->p1_w = cfg->yuv_arg.out_w;
decode->p1_h = cfg->yuv_arg.out_h;
decode->scale_p1_w = ((decode->p1_w + 3) / 4) * 4;
if (cfg->rotate)
{
decode->dec_y_offset = decode->p1_w * (decode->p1_h - 1);
decode->dec_uv_offset = ((decode->scale_p1_w / 2 + 3) / 4) * 4 * (decode->p1_h / 2 - 1);
}
else
{
decode->dec_y_offset = 0;
decode->dec_uv_offset = 0;
}
cfg->yuv_arg.y_off = decode->dec_y_offset;
cfg->yuv_arg.uv_off = decode->dec_uv_offset;
cfg->yuv_arg.y_size = decode->scale_p1_w * decode->p1_h;
}
break;
case MSI_DECODE_SET_IN_OUT_SIZE:
{
}
break;
case MSI_DECODE_SET_STEP:
{
}
break;
case MSI_DECODE_READY:
{
struct h264_msi_s *decode = (struct h264_msi_s *) msi->priv;
struct framebuff *fb = (struct framebuff *) arg;
uint32 dst = (uint32_t) fb->data;
struct jpg_decode_arg_s *cfg = (struct jpg_decode_arg_s *) fb->priv;
uint8_t err = 0;
#if 0
h264_request_irq(decode->h264_dev, H264_FRAME_DONE, h264_dec_done, (uint32) decode);
#else
// 如果空间不够,就重新申请把
if (decode->p1_w > decode->now_decode_pw)
{
if (decode->scaler2buf_y)
{
STREAM_LIBC_FREE(decode->scaler2buf_y);
decode->scaler2buf_y = NULL;
}
if (decode->scaler2buf_u)
{
STREAM_LIBC_FREE(decode->scaler2buf_u);
decode->scaler2buf_u = NULL;
}
if (decode->scaler2buf_v)
{
STREAM_LIBC_FREE(decode->scaler2buf_v);
decode->scaler2buf_v = NULL;
}
uint8_t scale_coeff = 0;
uint32_t iw = cfg->decode_w;
// uint32_t ih = cfg->decode_h;
uint32_t ow = decode->p1_w;
// uint32_t oh = decode->p1_h;
if(iw >= ow)
{
scale_coeff = 1;
}
else
{
scale_coeff = 2;
}
// 默认一定申请到,没有做申请失败的处理
decode->scaler2buf_y = STREAM_LIBC_MALLOC(0x20+ow+scale_coeff*20*SRAMBUF_WLEN*4+256);
decode->scaler2buf_u = STREAM_LIBC_MALLOC(((0x12+ow/2+scale_coeff*11*SRAMBUF_WLEN*2+128 + 3)/4)*4);
decode->scaler2buf_v = STREAM_LIBC_MALLOC(((0x12+ow/2+scale_coeff*11*SRAMBUF_WLEN*2+128 + 3)/4)*4);
if (!decode->scaler2buf_y || !decode->scaler2buf_u || !decode->scaler2buf_v)
{
os_printf(KERN_ERR "%s:%d err\tpw:%X\tnow_pw:%X\n", __FUNCTION__, __LINE__, decode->p1_w, decode->now_decode_pw);
os_printf(KERN_ERR "fail y:%X\tu:%X\tv:%X\n", decode->scaler2buf_y, decode->scaler2buf_u, decode->scaler2buf_v);
decode->now_decode_pw = 0;
err = 1;
if (decode->scaler2buf_y)
{
STREAM_LIBC_FREE(decode->scaler2buf_y);
decode->scaler2buf_y = NULL;
}
if (decode->scaler2buf_u)
{
STREAM_LIBC_FREE(decode->scaler2buf_u);
decode->scaler2buf_u = NULL;
}
if (decode->scaler2buf_v)
{
STREAM_LIBC_FREE(decode->scaler2buf_v);
decode->scaler2buf_v = NULL;
}
}
else
{
decode->now_decode_pw = decode->p1_w;
}
}
if (!err)
{
scale2_from_h264_config_for_msi(decode->scale_dev, (uint32_t) decode->scaler2buf_y, (uint32_t) decode->scaler2buf_u, (uint32_t) decode->scaler2buf_v, dst, cfg->decode_w,
cfg->decode_h, cfg->yuv_arg.out_w, cfg->yuv_arg.out_h, 10);
if (!decode->is_register_isr)
{
scale_request_irq(decode->scale_dev, FRAME_END, (scale_irq_hdl) &stream_jpg_decode_scale2_done, (uint32) decode);
scale_request_irq(decode->scale_dev, INBUF_OV, (scale_irq_hdl) &stream_jpg_decode_scale2_ov_isr, (uint32) decode);
h264_request_irq(decode->h264_dev, H264_FRAME_DONE, h264_dec_done, (uint32) decode);
// decode->is_register_isr = 1;
}
}
else
{
decode->hardware_err = 1;
}
#endif
}
break;
case MSI_DECOE_START:
{
struct framebuff *fb = (struct framebuff *) arg;
struct framebuff *rfb = fb->next;
struct h264_msi_s *decode = (struct h264_msi_s *) msi->priv;
struct fb_h264_s *h264_priv = (struct fb_h264_s *) rfb->priv;
uint32_t dst = (uint32_t) rfb->data;
uint32_t dst_len = rfb->len;
uint8_t *rom_ptr = (uint8_t *) (((uint32_t) decode->rom + 0xfff) & (~0xfff));
decode->hardware_ready = 0;
decode->last_decode_time = os_jiffies();
// 这里开启对应的h264解码
// 如果是I帧,就去处理sps和pps
if (h264_priv->type == 1 && !decode->sps_flag)
{
sps_setting(&decode->h264_str, &decode->h264_head, decode->w, decode->h);
cfg_setting(decode->h264_dev, &decode->h264_head, &decode->dec_cfg, &decode->dec_ctl);
h264_dec_refbuf_set(decode->h264_dev, ((uint32_t) decode->ref_mem + 0xfff) & (~0xfff), (struct h264_cfg_t *) &decode->dec_cfg, (struct h264_ctl_t *) &decode->dec_ctl);
pps_setting(&decode->h264_str, &decode->h264_head, h264_priv->pps, h264_priv->pps_len);
decode->sps_flag = 1;
}
h264_rom_memcpy(rom_ptr, (uint8_t *) dst, dst_len);
h264_decode_I_P_setting(&decode->h264_str, &decode->h264_head, rom_ptr);
if (h264_priv->type == 1)
{
decode->dec_ctl.frm_type = 2;
}
else
{
decode->dec_ctl.frm_type = 0;
}
h264_dec_src_room_set(decode->h264_dev, ((uint32_t) decode->ref_mem + 0xfff) & (~0xfff), (struct h264_cfg_t *) &decode->dec_cfg, (struct h264_ctl_t *) &decode->dec_ctl);
h264_dec_a_frame(decode->h264_dev, dst_len + 4, &decode->dec_ctl, &decode->h264_head, &decode->h264_str, (uint32_t) rom_ptr);
h264_decode_start(decode->h264_dev);
}
break;
}
}
break;
case MSI_CMD_TRANS_FB:
{
struct framebuff *fb = (struct framebuff *) param1;
if (fb->mtype != F_JPG_DECODE_MSG)
{
ret = RET_OK + 1;
}
}
break;
default:
break;
}
return ret;
}
// 解码是要先获取jpg,然后申请解码后size的空间,然后启动解码
// 不再支持传入msi的name(因为硬件解码模块只有一个,所以不支持这个msi的名称命名)
struct msi *h264_decode_msi(const char *name, uint8_t only_I_H264)
{
(void) name; // 不再支持修改名字
uint8_t is_new;
struct msi *msi = msi_new(name, MAX_DECODE_NUM, &is_new);
struct h264_msi_s *decode = (struct h264_msi_s *) msi->priv;
if (is_new)
{
decode = (struct h264_msi_s *) STREAM_LIBC_ZALLOC(sizeof(struct h264_msi_s));
decode->msi = msi;
msi->priv = (void *) decode;
msi->action = decode_msi_action;
uint32_t init_count = 0;
void *priv;
fbpool_init(&decode->tx_pool, 2);
while (init_count < 2)
{
uint8_t *data = (uint8_t *) STREAM_MALLOC(DECODE_MAX_SIZE);
ASSERT(data);
sys_dcache_invalid_range((uint32_t *) data, DECODE_MAX_SIZE);
priv = (void *) STREAM_LIBC_ZALLOC(sizeof(struct jpg_decode_arg_s));
FBPOOL_SET_INFO(&decode->tx_pool, init_count, data, 0, priv);
init_count++;
}
decode->h264_dev = (struct h264_device *) dev_get(HG_H264_DEVID);
decode->scale_dev = (struct scale_device *) dev_get(HG_SCALE2_DEVID);
decode->scaler2buf_y = NULL;
decode->scaler2buf_u = NULL;
decode->scaler2buf_v = NULL;
decode->now_decode_pw = 0;
decode->hardware_ready = 1;
decode->auto_free_space = 1;
decode->only_I_H264 = only_I_H264;
// decode->w = w;
// decode->h = h;
decode->max_data_size = DECODE_MAX_SIZE;
// decode->rom = os_malloc_psram(100 * 1024 + 4096);
// decode->ref_mem = os_malloc_psram((w * (h + 48)) + (w * (h + 48)) / 2 + 3 * 4096);
// sys_dcache_clean_range((uint32_t *) decode->ref_mem, (w * (h + 48)) + (w * (h + 48)) / 2 + 3 * 4096);
decode->dec_cfg.enc_mode = 0;
// decode->dec_cfg.frm_width = w;
// decode->dec_cfg.frm_height = h;
msi->enable = 1;
OS_WORK_INIT(&decode->work, h264_decode_work, 0);
os_run_work_delay(&decode->work, 1);
}
return msi;
}
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