/*!
************************************************************************
* \brief
* Write out unpaired fields from output buffer.
* \param p_out
* Output file
************************************************************************
*/
void flush_direct_output(FILE *p_out)
{
write_unpaired_field(out_buffer, p_out);
free_storable_picture(out_buffer->frame);
out_buffer->frame = NULL;
free_storable_picture(out_buffer->top_field);
out_buffer->top_field = NULL;
free_storable_picture(out_buffer->bottom_field);
out_buffer->bottom_field = NULL;
out_buffer->is_used = 0;
}
/*!
************************************************************************
* \brief
* Directly output a picture without storing it in the DPB. Fields
* are buffered before they are written to the file.
* \param p
* Picture for output
* \param p_out
* Output file
************************************************************************
*/
void direct_output(StorablePicture *p, FILE *p_out)
{
if (p->structure==FRAME)
{
// we have a frame (or complementary field pair)
// so output it directly
flush_direct_output(p_out);
write_picture (p, p_out, FRAME);
if (p_ref)
find_snr(snr, p, p_ref);
free_storable_picture(p);
return;
}
if (p->structure == TOP_FIELD)
{
if (out_buffer->is_used &1)
flush_direct_output(p_out);
out_buffer->top_field = p;
out_buffer->is_used |= 1;
}
if (p->structure == BOTTOM_FIELD)
{
if (out_buffer->is_used &2)
flush_direct_output(p_out);
out_buffer->bottom_field = p;
out_buffer->is_used |= 2;
}
if (out_buffer->is_used == 3)
{
// we have both fields, so output them
dpb_combine_field(out_buffer);
write_picture (out_buffer->frame, p_out, FRAME);
if (p_ref)
find_snr(snr, out_buffer->frame, p_ref);
free_storable_picture(out_buffer->frame);
out_buffer->frame = NULL;
free_storable_picture(out_buffer->top_field);
out_buffer->top_field = NULL;
free_storable_picture(out_buffer->bottom_field);
out_buffer->bottom_field = NULL;
out_buffer->is_used = 0;
}
}
void frame_picture_mp_p_slice(VideoParameters *p_Vid, InputParameters *p_Inp)
{
int rd_pass = 0;
int rd_qp = p_Vid->p_curr_frm_struct->qp;
float rateRatio = 1.0F;
int wp_pass=0;
int frame_type_pass = 0;
CodingInfo coding_info;
FrameCodingMethod best_method = REGULAR;
int frame_type = P_SLICE;
int apply_wp = 0;
int selection;
frame_picture (p_Vid, p_Vid->frame_pic[rd_pass], &p_Vid->imgData, rd_pass);
store_coding_and_rc_info(p_Vid, &coding_info);
if(p_Inp->WPIterMC)
p_Vid->frameOffsetAvail = 1;
#if (DBG_IMAGE_MP)
printf("rd_pass = %d: %d (%.0f, %.0f, %.0f)\n", rd_pass,
p_Vid->frame_pic[0]->bits_per_picture,
p_Vid->frame_pic[0]->distortion.value[0], p_Vid->frame_pic[0]->distortion.value[1], p_Vid->frame_pic[0]->distortion.value[2]);
#endif
rd_pass++;
if(rd_pass >= p_Inp->RDPictureMaxPassPSlice)
{
frame_picture_mp_exit(p_Vid, &coding_info);
return;
}
// for P_Slice, consider WP
wp_pass = 0;
if (p_Inp->GenerateMultiplePPS)
{
Slice *dummy_slice = NULL;
InitWP(p_Vid, p_Inp, 0);
if ( p_Inp->WPMCPrecision )
p_Vid->pWPX->curr_wp_rd_pass = p_Vid->pWPX->wp_rd_passes + 1;
init_slice_lite(p_Vid, &dummy_slice, 0);
if (p_Vid->TestWPPSlice(dummy_slice, 0) == 1)
{
// regular WP pass
p_Vid->active_pps = p_Vid->PicParSet[1];
if ( p_Inp->WPMCPrecision )
p_Vid->pWPX->curr_wp_rd_pass->algorithm = WP_REGULAR;
wp_pass = 1;
}
else if ( p_Inp->WPMCPrecision )
{
// WPMC pass
p_Vid->active_pps = p_Vid->PicParSet[1];
wp_pass = 1;
}
// The way it is, the code would only reach here if prior conditional using
// generatemultiplepps is satisfied
if(wp_pass)
{
p_Vid->write_macroblock = FALSE;
p_Vid->p_curr_frm_struct->qp = p_Vid->qp;
frame_picture (p_Vid, p_Vid->frame_pic[rd_pass], &p_Vid->imgData, rd_pass);
selection = picture_coding_decision(p_Vid, p_Vid->frame_pic[0], p_Vid->frame_pic[rd_pass], rd_qp);
#if (DBG_IMAGE_MP)
printf("rd_pass = %d, selection = %d\n", rd_pass, selection);
#endif
#if (DBG_IMAGE_MP)
printf("rd_pass = %d: %d (%.0f, %.0f, %.0f)\n", rd_pass,
p_Vid->frame_pic[rd_pass]->bits_per_picture,
p_Vid->frame_pic[rd_pass]->distortion.value[0], p_Vid->frame_pic[rd_pass]->distortion.value[1], p_Vid->frame_pic[rd_pass]->distortion.value[2]);
#endif
if (selection)
{
swap_frame_buffer(p_Vid, 0, rd_pass);
store_coding_and_rc_info(p_Vid, &coding_info);
best_method = EXP_WP;
apply_wp = 1;
}
if(p_Inp->WPMethod == 0 || p_Inp->WPMCPrecision)
{
wp_pass = 0;
if ( p_Inp->WPMCPrecision )
p_Vid->pWPX->curr_wp_rd_pass = p_Vid->pWPX->wp_rd_passes + 2;
if (p_Inp->WPMethod == 0 && p_Vid->TestWPPSlice(dummy_slice, 1) == 1)
{
// regular WP pass
p_Vid->active_pps = p_Vid->PicParSet[1];
if ( p_Inp->WPMCPrecision )
p_Vid->pWPX->curr_wp_rd_pass->algorithm = WP_REGULAR;
wp_pass = 1;
}
else if ( p_Inp->WPMCPrecision )
{
// WPMC pass
p_Vid->active_pps = p_Vid->PicParSet[1];
wp_pass = 1;
}
if(wp_pass)
{
p_Vid->write_macroblock = FALSE;
p_Vid->p_curr_frm_struct->qp = p_Vid->qp;
free_slice_list(p_Vid->frame_pic[rd_pass]);
free_storable_picture(p_Vid, p_Vid->enc_frame_picture[rd_pass]);
frame_picture (p_Vid, p_Vid->frame_pic[rd_pass], &p_Vid->imgData, rd_pass);
selection = picture_coding_decision(p_Vid, p_Vid->frame_pic[0], p_Vid->frame_pic[rd_pass], rd_qp);
#if (DBG_IMAGE_MP)
printf("rd_pass = %d, selection = %d\n", rd_pass, selection);
#endif
#if (DBG_IMAGE_MP)
printf("rd_pass = %d: %d (%.0f, %.0f, %.0f)\n", rd_pass,
p_Vid->frame_pic[rd_pass]->bits_per_picture,
p_Vid->frame_pic[rd_pass]->distortion.value[0], p_Vid->frame_pic[rd_pass]->distortion.value[1], p_Vid->frame_pic[rd_pass]->distortion.value[2]);
#endif
if (selection)
{
swap_frame_buffer(p_Vid, 0, rd_pass);
store_coding_and_rc_info(p_Vid, &coding_info);
best_method = EXP_WP;
apply_wp = 1;
}
}
}
rd_pass++;
//free_slice(dummy_slice);
if(rd_pass >= p_Inp->RDPictureMaxPassPSlice)
{
frame_picture_mp_exit(p_Vid, &coding_info);
free_slice(dummy_slice);
return;
}
}
free_slice(dummy_slice);
}
// code as I? or maybe as B?
frame_type_pass = 0;
if(p_Inp->RDPSliceITest && (coding_info.intras * 100/p_Vid->FrameSizeInMbs) >= 75)
{
frame_type = I_SLICE;
set_slice_type(p_Vid, p_Inp, I_SLICE);
populate_frame_slice_type( p_Inp, p_Vid->p_curr_frm_struct, I_SLICE, p_Vid->p_pred->max_num_slices );
p_Vid->active_pps = p_Vid->PicParSet[0];
frame_type_pass = 1;
}
else if (p_Inp->RDPSliceBTest && p_Vid->active_sps->profile_idc != BASELINE)
// later need to add some automatic criterion to see if this (coding P as B) may be beneficial
{
frame_type = B_SLICE;
set_slice_type(p_Vid, p_Inp, B_SLICE );
populate_frame_slice_type( p_Inp, p_Vid->p_curr_frm_struct, B_SLICE, p_Vid->p_pred->max_num_slices );
p_Vid->active_pps = p_Vid->PicParSet[0];
frame_type_pass = 1;
}
if(frame_type_pass)
{
p_Vid->write_macroblock = FALSE;
p_Vid->p_curr_frm_struct->qp = p_Vid->qp;
frame_picture (p_Vid, p_Vid->frame_pic[rd_pass], &p_Vid->imgData, rd_pass);
selection = picture_coding_decision(p_Vid, p_Vid->frame_pic[0], p_Vid->frame_pic[rd_pass], rd_qp);
#if (DBG_IMAGE_MP)
printf("rd_pass = %d, selection = %d\n", rd_pass, selection);
#endif
if (selection)
{
swap_frame_buffer(p_Vid, 0, rd_pass);
store_coding_and_rc_info(p_Vid, &coding_info);
best_method = FRAME_TYPE;
}
// reset frame_type
else
frame_type = P_SLICE;
rd_pass++;
if(rd_pass >= p_Inp->RDPictureMaxPassPSlice)
{
frame_picture_mp_exit(p_Vid, &coding_info);
return;
}
}
if(p_Vid->EvaluateDBOff)
{
// Perform DB off coding pass
p_Vid->active_pps = (best_method == EXP_WP?p_Vid->PicParSet[1]:p_Vid->PicParSet[0]);
if(frame_type != P_SLICE)
{
set_slice_type(p_Vid, p_Inp, frame_type);
populate_frame_slice_type( p_Inp, p_Vid->p_curr_frm_struct, frame_type, p_Vid->p_pred->max_num_slices );
}
p_Vid->TurnDBOff = 1;
p_Vid->write_macroblock = FALSE;
p_Vid->p_curr_frm_struct->qp = p_Vid->qp;
frame_picture (p_Vid, p_Vid->frame_pic[rd_pass], &p_Vid->imgData, rd_pass);
selection = picture_coding_decision(p_Vid, p_Vid->frame_pic[0], p_Vid->frame_pic[rd_pass], rd_qp);
#if (DBG_IMAGE_MP)
printf("DB OFF, rd_pass = %d, selection = %d\n", rd_pass, selection);
#endif
if (selection)
{
swap_frame_buffer(p_Vid, 0, rd_pass);
store_coding_and_rc_info(p_Vid, &coding_info);
best_method = DB_OFF;
}
rd_pass++;
if(rd_pass >= p_Inp->RDPictureMaxPassPSlice)
{
frame_picture_mp_exit(p_Vid, &coding_info);
return;
}
}
if(p_Inp->RDPictureFrameQPPSlice)
{
// frame QP pass
p_Vid->active_pps = (apply_wp?p_Vid->PicParSet[1]:p_Vid->PicParSet[0]);
if(frame_type != P_SLICE)
{
set_slice_type(p_Vid, p_Inp, frame_type);
populate_frame_slice_type( p_Inp, p_Vid->p_curr_frm_struct, I_SLICE, p_Vid->p_pred->max_num_slices );
}
p_Vid->qp = (p_Vid->nal_reference_idc==0 ? rd_qp+1:rd_qp-1);
p_Vid->qp = iClip3( p_Vid->RCMinQP, p_Vid->RCMaxQP, p_Vid->qp );
if ( p_Inp->RCEnable )
{
rateRatio = p_Vid->nal_reference_idc ? 1.15F : 0.85F;
rc_init_frame_rdpic( p_Vid, p_Inp, rateRatio );
}
p_Vid->TurnDBOff = 0;
p_Vid->write_macroblock = FALSE;
p_Vid->p_curr_frm_struct->qp = p_Vid->qp;
frame_picture (p_Vid, p_Vid->frame_pic[rd_pass], &p_Vid->imgData, rd_pass);
selection = picture_coding_decision(p_Vid, p_Vid->frame_pic[0], p_Vid->frame_pic[rd_pass], rd_qp);
#if (DBG_IMAGE_MP)
printf("rd_pass = %d, selection = %d\n", rd_pass, selection);
#endif
if (selection)
{
swap_frame_buffer(p_Vid, 0, rd_pass);
store_coding_and_rc_info(p_Vid, &coding_info);
best_method = FRAME_QP;
}
rd_pass++;
if(rd_pass >= p_Inp->RDPictureMaxPassPSlice)
{
frame_picture_mp_exit(p_Vid, &coding_info);
return;
}
}
frame_picture_mp_exit(p_Vid, &coding_info);
}
