--- /dev/null
+#include <stdio.h>
+
+#include <VP_Os/vp_os_malloc.h>
+#include <VP_Os/vp_os_print.h>
+#include <VP_Stages/vp_stages_buffer_to_picture.h>
+#include <VP_Stages/vp_stages_i_camif.h>
+
+//
+// Buffer to Picture conversion
+//
+static int32_t copy_input_to_buffer( uint8_t* buffer, int32_t input_size, int32_t max_size, vp_stages_buffer_to_picture_config_t *cfg )
+{
+ int32_t size_to_copy;
+
+ size_to_copy = input_size;
+ if( size_to_copy > max_size )
+ size_to_copy = max_size;
+ vp_os_memcpy( buffer, cfg->input_ptr, size_to_copy );
+
+ if( cfg != NULL )
+ {
+ cfg->cumulated_size += size_to_copy;
+ cfg->input_ptr += size_to_copy;
+ }
+
+ return size_to_copy;
+}
+
+
+C_RESULT vp_stages_buffer_to_picture_open(vp_stages_buffer_to_picture_config_t *cfg)
+{
+ cfg->num_picture_decoded = 0;
+
+ return C_OK;
+}
+
+
+C_RESULT vp_stages_buffer_to_picture_transform(vp_stages_buffer_to_picture_config_t *cfg, vp_api_io_data_t *in, vp_api_io_data_t *out)
+{
+ vp_os_mutex_lock(&out->lock);
+
+ if(out->status == VP_API_STATUS_INIT)
+ {
+ out->numBuffers = 1;
+ out->buffers = (int8_t**)(int8_t*) cfg->picture;
+ out->indexBuffer = 0;
+ out->lineSize = 0;
+
+ out->status = VP_API_STATUS_PROCESSING;
+
+ cfg->y_buf_ptr = cfg->picture->y_buf;
+ if(!cfg->luma_only)
+ {
+ cfg->cr_buf_ptr = cfg->picture->cr_buf;
+ cfg->cb_buf_ptr = cfg->picture->cb_buf;
+ }
+ cfg->cumulated_size = 0;
+ cfg->input_ptr = NULL;
+
+ if( cfg->custom_data_size > 0 )
+ {
+ cfg->custom_data_ptr = vp_os_malloc( cfg->custom_data_size );
+ }
+ }
+
+ if( in->status == VP_API_STATUS_ENDED )
+ out->status = in->status;
+
+ if( out->status == VP_API_STATUS_PROCESSING )
+ cfg->input_ptr = (uint8_t*)in->buffers[in->indexBuffer];
+
+ if(out->status == VP_API_STATUS_PROCESSING || out->status == VP_API_STATUS_STILL_RUNNING)
+ {
+ int32_t copied_size, y_size, c_size = 0;
+ // If out->size == 1 it means picture is ready
+ out->size = 0;
+ out->status = VP_API_STATUS_PROCESSING;
+
+ y_size = cfg->block_mode_enable ? cfg->y_blockline_size : cfg->y_buffer_size;
+ c_size = cfg->luma_only ? 0 : y_size / 4;
+
+ while(in->size > 0 && cfg->y_current_size < cfg->y_buffer_size)
+ {
+ if( in->size > 0 && cfg->cumulated_size < y_size )
+ {
+ copied_size = copy_input_to_buffer( cfg->y_buf_ptr, in->size, y_size - cfg->cumulated_size, cfg );
+
+ cfg->y_buf_ptr += copied_size;
+ in->size -= copied_size;
+ }
+
+ if(!cfg->luma_only)
+ {
+ if( in->size > 0 && cfg->cumulated_size >= y_size && (cfg->cumulated_size < y_size + c_size) )
+ {
+ copied_size = copy_input_to_buffer( cfg->cb_buf_ptr, in->size, y_size + c_size - cfg->cumulated_size, cfg );
+
+ cfg->cb_buf_ptr += copied_size;
+ in->size -= copied_size;
+ }
+
+ if( in->size > 0 && (cfg->cumulated_size >= y_size + c_size) && (cfg->cumulated_size < y_size + 2*c_size) )
+ {
+ copied_size = copy_input_to_buffer( cfg->cr_buf_ptr, in->size, y_size + 2*c_size - cfg->cumulated_size, cfg );
+
+ cfg->cr_buf_ptr += copied_size;
+ in->size -= copied_size;
+ }
+ }
+
+ if( cfg->cumulated_size == y_size + 2*c_size )
+ {
+ cfg->cumulated_size = 0;
+ cfg->y_current_size += y_size;
+ }
+ }
+
+ if( cfg->custom_data_size > 0 && cfg->y_current_size >= cfg->y_buffer_size )
+ {
+ // we got one picture (handle case 1)
+ if( in->size > 0 && cfg->custom_data_read != cfg->custom_data_size )
+ {
+ copied_size = copy_input_to_buffer( cfg->custom_data_ptr + cfg->custom_data_read,
+ in->size, cfg->custom_data_size - cfg->custom_data_read,
+ cfg );
+
+ cfg->custom_data_read += copied_size;
+ in->size -= copied_size;
+
+ cfg->y_current_size += copied_size;
+ cfg->cumulated_size = 0;
+ }
+ }
+
+ // All buffers are full but there's still data
+ if( in->size > 0 )
+ out->status = VP_API_STATUS_STILL_RUNNING;
+
+ if( cfg->y_current_size == (cfg->y_buffer_size+cfg->custom_data_size) )
+ {
+ // we got one picture (handle case 1)
+ out->size = 1;
+
+ cfg->num_picture_decoded++;
+
+ cfg->custom_data_read = 0;
+ cfg->y_current_size = 0;
+ cfg->y_buf_ptr = cfg->picture->y_buf;
+ if(!cfg->luma_only)
+ {
+ cfg->cb_buf_ptr = cfg->picture->cb_buf;
+ cfg->cr_buf_ptr = cfg->picture->cr_buf;
+ }
+
+ if( cfg->custom_data_handler != NULL )
+ {
+ cfg->custom_data_handler( (void*)&cfg->custom_data_ptr[0], cfg->custom_data_size );
+ }
+ }
+ }
+
+ vp_os_mutex_unlock(&out->lock);
+
+ return C_OK;
+}
+
+
+C_RESULT vp_stages_buffer_to_picture_close(vp_stages_buffer_to_picture_config_t *cfg)
+{
+ return C_OK;
+}
+
+
+
+//
+// Picture to Buffer conversion
+//
+C_RESULT vp_stages_picture_to_buffer_open(vp_stages_picture_to_buffer_config_t *cfg)
+{
+ return C_OK;
+}
+
+C_RESULT vp_stages_picture_to_buffer_transform(vp_stages_picture_to_buffer_config_t *cfg, vp_api_io_data_t *in, vp_api_io_data_t *out)
+{
+ int32_t y_size, c_size;
+
+ vp_os_mutex_lock(&out->lock);
+
+ if(out->status == VP_API_STATUS_INIT)
+ {
+ out->numBuffers = 1;
+
+ cfg->y_buffer_size = cfg->picture->width*cfg->picture->height;
+ cfg->y_blockline_size = cfg->picture->width*CAMIF_BLOCKLINES; // each blockline have 16 lines
+
+ y_size = cfg->block_mode_enable ? cfg->y_blockline_size : cfg->y_buffer_size;
+ c_size = cfg->luma_only ? 0 : y_size / 4;
+
+ // We alloc an array big enough to hold all ours data
+ out->buffers = (int8_t**) vp_os_malloc( (y_size+2*c_size+cfg->custom_data_size)*sizeof(int8_t) + sizeof(int8_t*));
+ out->indexBuffer = 0;
+ out->status = VP_API_STATUS_PROCESSING;
+
+ out->buffers[0] = (int8_t *)(out->buffers+1);
+ }
+ else
+ {
+ y_size = cfg->block_mode_enable ? cfg->y_blockline_size : cfg->y_buffer_size;
+ c_size = cfg->luma_only ? 0 : y_size / 4;
+ }
+
+ out->size = 0;
+
+ if( out->status == VP_API_STATUS_PROCESSING && in->size > 0 )
+ {
+ uint8_t *y_ptr;
+
+ y_ptr = cfg->picture->y_buf;
+
+ if( cfg->block_mode_enable )
+ {
+ // Find blockline
+ y_ptr += cfg->picture->blockline*y_size;
+ }
+
+ vp_os_memcpy( out->buffers[0], y_ptr, y_size );
+ out->size = y_size;
+
+ if( !cfg->luma_only )
+ {
+ uint8_t *cb_ptr, *cr_ptr;
+
+ cb_ptr = cfg->picture->cb_buf;
+ cr_ptr = cfg->picture->cr_buf;
+
+ if( cfg->block_mode_enable )
+ {
+ cb_ptr += cfg->picture->blockline*c_size;
+ cr_ptr += cfg->picture->blockline*c_size;
+ }
+
+ vp_os_memcpy( out->buffers[0] + y_size, cb_ptr, c_size);
+ vp_os_memcpy( out->buffers[0] + y_size + c_size, cr_ptr, c_size);
+
+ out->size += 2*c_size;
+ }
+
+ if( cfg->custom_data_handler && cfg->picture->complete )
+ {
+ cfg->custom_data_handler( out->buffers[0] + out->size, cfg->custom_data_size );
+
+ out->size += cfg->custom_data_size;
+ }
+ }
+
+ out->status = in->status;
+
+ vp_os_mutex_unlock(&out->lock);
+
+ return C_OK;
+}
+
+C_RESULT vp_stages_picture_to_buffer_close(vp_stages_picture_to_buffer_config_t *cfg)
+{
+ return C_OK;
+}