cedarx_result_e libcedarx_decoder_decode_stream(int force)
{
vresult_e res;
cedarx_result_e result;
cedarx_decoder_t* decoder = cedarx_decoder;
if ((!decoder) || (!decoder->ve) || (!decoder->vbv))
return CEDARX_RESULT_NO_INIT;
if (!force) {
if (vbv_check_stream_frame(decoder->vbv) < 0)
return CEDARX_RESULT_VBV_BUFFER_EMPTY;
}
res = libve_decode(0, 0, 0, decoder->ve);
switch (res) {
case VRESULT_OK:
case VRESULT_FRAME_DECODED:
case VRESULT_KEYFRAME_DECODED:
result = CEDARX_RESULT_OK;
break;
case VRESULT_NO_FRAME_BUFFER:
printf("Warning: There are not more framebuffer!\n");
result = CEDARX_RESULT_NO_FRAME_BUFFER;
break;
case VRESULT_NO_BITSTREAM:
printf("Warning: There are not more bitstream!\n");
result = CEDARX_RESULT_VBV_BUFFER_EMPTY;
break;
default:
printf("Error: Decode failed(%d), try to reset decoder!\n", res);
libve_reset(0, decoder->ve);
return CEDARX_RESULT_VE_FAILED;
}
return result;
}
static s32 vdecoder_decode(cedarv_decoder_t* p)
{
vresult_e vresult;
#if (DECODE_FREE_RUN == 0)
u64 video_time;
#endif
video_decoder_t* decoder;
if(p == NULL)
return CEDARV_RESULT_ERR_INVALID_PARAM;
decoder = (video_decoder_t*)p;
if(decoder->mode_switched)
{
libve_reset(0, decoder->ve);
vbv_reset(decoder->vbv);
if(p->free_vbs_buffer_sem != NULL)
p->free_vbs_buffer_sem(p->cedarx_cookie);
if(decoder->fbm != NULL)
{
fbm_flush(decoder->fbm);
if(p->release_frame_buffer_sem != NULL)
p->release_frame_buffer_sem(p->cedarx_cookie);
}
decoder->mode_switched = 0;
return CEDARV_RESULT_NO_BITSTREAM;
}
if(decoder->status == CEDARV_STATUS_BACKWARD || decoder->status == CEDARV_STATUS_FORWARD)
{
vresult = libve_decode(1, 0, 0, decoder->ve);
}
else
{
if(decoder->stream_info.format == STREAM_FORMAT_H264 && decoder->display_already_begin == 0)
{
//* for H264, when decoding the first data unit containing PPS, we have to promise
//* there is more than one bitstream frame for decoding.
//* that is because the decoder uses the start code of the second bitstream frame
//* to judge PPS end.
if(vbv_get_stream_num(decoder->vbv) < 2)
return CEDARV_RESULT_NO_BITSTREAM;
}
if(decoder->status == CEDARV_STATUS_PREVIEW)
{
vresult = libve_decode(1, 0, 0, decoder->ve);
}
else
{
#if (DECODE_FREE_RUN == 0)
video_time = esMODS_MIoctrl(vdrv_com->avsync, DRV_AVS_CMD_GET_VID_TIME, DRV_AVS_TIME_TOTAL, 0);
video_time *= 1000;
vresult = libve_decode(0, 1, video_time, decoder->ve);
#else
vresult = libve_decode(0, 0, 0, decoder->ve);
#endif
}
}
if(vresult == VRESULT_OK)
{
return CEDARV_RESULT_OK;
}
else if(vresult == VRESULT_FRAME_DECODED)
{
return CEDARV_RESULT_FRAME_DECODED;
}
else if(vresult == VRESULT_KEYFRAME_DECODED)
{
if(decoder->status == CEDARV_STATUS_BACKWARD || decoder->status == CEDARV_STATUS_FORWARD || decoder->status == CEDARV_STATUS_PREVIEW)
{
libve_reset(1, decoder->ve);
}
return CEDARV_RESULT_KEYFRAME_DECODED;
}
else if(vresult == VRESULT_NO_FRAME_BUFFER)
{
return CEDARV_RESULT_NO_FRAME_BUFFER;
}
else if(vresult == VRESULT_NO_BITSTREAM)
{
return CEDARV_RESULT_NO_BITSTREAM;
}
else if(vresult == VRESULT_ERR_NO_MEMORY)
{
return CEDARV_RESULT_ERR_NO_MEMORY;
}
else if( vresult == VRESULT_ERR_UNSUPPORTED)
{
return CEDARV_RESULT_ERR_UNSUPPORTED;
}
else if(vresult == VRESULT_ERR_LIBRARY_NOT_OPEN)
{
return CEDARV_RESULT_ERR_FAIL;
}
else
{
return CEDARV_RESULT_OK;
}
}
