Refactor opj_read_ppm
Update uclouvain/openjpeg#470 Update uclouvain/openjpeg#288
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d1b053afe2
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c887df12a3
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@ -718,29 +718,29 @@ static OPJ_BOOL opj_j2k_read_plt ( opj_j2k_t *p_j2k,
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OPJ_UINT32 p_header_size,
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opj_event_mgr_t * p_manager );
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#if 0
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/**
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* Reads a PPM marker (Packed packet headers, main header)
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* Reads a PPM marker (Packed headers, main header)
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*
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* @param p_header_data the data contained in the POC box.
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* @param p_j2k the jpeg2000 codec.
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* @param p_header_size the size of the data contained in the POC marker.
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* @param p_manager the user event manager.
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*/
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static OPJ_BOOL j2k_read_ppm_v2 (
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opj_j2k_t *p_j2k,
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OPJ_BYTE * p_header_data,
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OPJ_UINT32 p_header_size,
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struct opj_event_mgr * p_manager
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);
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#endif
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*/
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static OPJ_BOOL j2k_read_ppm_v3 (
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static OPJ_BOOL opj_j2k_read_ppm (
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opj_j2k_t *p_j2k,
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OPJ_BYTE * p_header_data,
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OPJ_UINT32 p_header_size,
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opj_event_mgr_t * p_manager );
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/**
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* Merges all PPM markers read (Packed headers, main header)
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*
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* @param p_cp main coding parameters.
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* @param p_manager the user event manager.
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*/
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static OPJ_BOOL opj_j2k_merge_ppm ( opj_cp_t *p_cp, opj_event_mgr_t * p_manager );
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/**
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* Reads a PPT marker (Packed packet headers, tile-part header)
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*
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@ -755,7 +755,7 @@ static OPJ_BOOL opj_j2k_read_ppt ( opj_j2k_t *p_j2k,
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opj_event_mgr_t * p_manager );
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/**
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* Merges all PPT markers read (Packed packet headers, tile-part header)
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* Merges all PPT markers read (Packed headers, tile-part header)
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*
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* @param p_tcp the tile.
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* @param p_manager the user event manager.
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@ -1305,7 +1305,7 @@ const opj_dec_memory_marker_handler_t j2k_memory_marker_handler_tab [] =
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{J2K_MS_TLM, J2K_STATE_MH, opj_j2k_read_tlm},
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{J2K_MS_PLM, J2K_STATE_MH, opj_j2k_read_plm},
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{J2K_MS_PLT, J2K_STATE_TPH, opj_j2k_read_plt},
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{J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm_v3},
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{J2K_MS_PPM, J2K_STATE_MH, opj_j2k_read_ppm},
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{J2K_MS_PPT, J2K_STATE_TPH, opj_j2k_read_ppt},
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{J2K_MS_SOP, 0, 0},
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{J2K_MS_CRG, J2K_STATE_MH, opj_j2k_read_crg},
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@ -3495,24 +3495,31 @@ static OPJ_BOOL opj_j2k_read_plt ( opj_j2k_t *p_j2k,
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return OPJ_TRUE;
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}
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#if 0
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OPJ_BOOL j2k_read_ppm_v2 (
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/**
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* Reads a PPM marker (Packed packet headers, main header)
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*
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* @param p_header_data the data contained in the POC box.
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* @param p_j2k the jpeg2000 codec.
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* @param p_header_size the size of the data contained in the POC marker.
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* @param p_manager the user event manager.
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*/
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static OPJ_BOOL opj_j2k_read_ppm (
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opj_j2k_t *p_j2k,
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OPJ_BYTE * p_header_data,
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OPJ_UINT32 p_header_size,
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struct opj_event_mgr * p_manager
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)
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opj_event_mgr_t * p_manager )
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{
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opj_cp_t *l_cp = 00;
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OPJ_UINT32 l_remaining_data, l_Z_ppm, l_N_ppm;
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OPJ_UINT32 l_Z_ppm;
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/* preconditions */
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assert(p_header_data != 00);
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assert(p_j2k != 00);
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assert(p_manager != 00);
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if (p_header_size < 1) {
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/* We need to have the Z_ppm element + 1 byte of Nppm/Ippm at minimum */
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if (p_header_size < 2) {
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opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n");
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return OPJ_FALSE;
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}
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@ -3524,352 +3531,183 @@ OPJ_BOOL j2k_read_ppm_v2 (
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++p_header_data;
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--p_header_size;
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/* First PPM marker */
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if (l_Z_ppm == 0) {
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if (p_header_size < 4) {
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opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n");
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/* check allocation needed */
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if (l_cp->ppm_markers == NULL) { /* first PPM marker */
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OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
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assert(l_cp->ppm_markers_count == 0U);
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l_cp->ppm_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
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if (l_cp->ppm_markers == NULL) {
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opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
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return OPJ_FALSE;
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}
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l_cp->ppm_markers_count = l_newCount;
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} else if (l_cp->ppm_markers_count <= l_Z_ppm) {
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OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
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opj_ppx *new_ppm_markers;
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new_ppm_markers = (opj_ppx *) opj_realloc(l_cp->ppm_markers, l_newCount * sizeof(opj_ppx));
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if (new_ppm_markers == NULL) {
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/* clean up to be done on l_cp destruction */
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opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
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return OPJ_FALSE;
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}
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l_cp->ppm_markers = new_ppm_markers;
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memset(l_cp->ppm_markers + l_cp->ppm_markers_count, 0, (l_newCount - l_cp->ppm_markers_count) * sizeof(opj_ppx));
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l_cp->ppm_markers_count = l_newCount;
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}
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if (l_cp->ppm_markers[l_Z_ppm].m_data != NULL) {
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/* clean up to be done on l_cp destruction */
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opj_event_msg(p_manager, EVT_ERROR, "Zppm %u already read\n", l_Z_ppm);
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return OPJ_FALSE;
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}
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opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm */
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p_header_data+=4;
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p_header_size-=4;
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/* First PPM marker: Initialization */
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l_cp->ppm_len = l_N_ppm;
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l_cp->ppm_data_size = 0;
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l_cp->ppm_buffer = (OPJ_BYTE *) opj_malloc(l_cp->ppm_len);
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if (l_cp->ppm_buffer == 00) {
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opj_event_msg(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n");
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l_cp->ppm_markers[l_Z_ppm].m_data = opj_malloc(p_header_size);
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if (l_cp->ppm_markers[l_Z_ppm].m_data == NULL) {
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/* clean up to be done on l_cp destruction */
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opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
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return OPJ_FALSE;
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}
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memset(l_cp->ppm_buffer,0,l_cp->ppm_len);
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l_cp->ppm_data = l_cp->ppm_buffer;
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}
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while (1) {
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if (l_cp->ppm_data_size == l_cp->ppm_len) {
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if (p_header_size >= 4) {
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/* read a N_ppm */
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opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm */
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p_header_data+=4;
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p_header_size-=4;
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l_cp->ppm_len += l_N_ppm ;
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OPJ_BYTE *new_ppm_buffer = (OPJ_BYTE *) opj_realloc(l_cp->ppm_buffer, l_cp->ppm_len);
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if (! new_ppm_buffer) {
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opj_free(l_cp->ppm_buffer);
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l_cp->ppm_buffer = NULL;
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l_cp->ppm_len = 0;
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l_cp->ppm_data = NULL;
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opj_event_msg(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n");
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return OPJ_FALSE;
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}
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l_cp->ppm_buffer = new_ppm_buffer;
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memset(l_cp->ppm_buffer+l_cp->ppm_data_size,0,l_N_ppm);
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l_cp->ppm_data = l_cp->ppm_buffer;
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}
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else {
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return OPJ_FALSE;
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}
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}
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l_remaining_data = l_cp->ppm_len - l_cp->ppm_data_size;
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if (l_remaining_data <= p_header_size) {
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/* we must store less information than available in the packet */
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memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , l_remaining_data);
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l_cp->ppm_data_size = l_cp->ppm_len;
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p_header_size -= l_remaining_data;
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p_header_data += l_remaining_data;
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}
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else {
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memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , p_header_size);
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l_cp->ppm_data_size += p_header_size;
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p_header_data += p_header_size;
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p_header_size = 0;
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break;
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}
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}
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l_cp->ppm_markers[l_Z_ppm].m_data_size = p_header_size;
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memcpy(l_cp->ppm_markers[l_Z_ppm].m_data, p_header_data, p_header_size);
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return OPJ_TRUE;
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}
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#endif
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OPJ_BOOL j2k_read_ppm_v3 (
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opj_j2k_t *p_j2k,
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OPJ_BYTE * p_header_data,
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OPJ_UINT32 p_header_size,
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struct opj_event_mgr * p_manager
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)
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/**
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* Merges all PPM markers read (Packed headers, main header)
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*
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* @param p_cp main coding parameters.
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* @param p_manager the user event manager.
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*/
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static OPJ_BOOL opj_j2k_merge_ppm ( opj_cp_t *p_cp, opj_event_mgr_t * p_manager )
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{
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opj_cp_t *l_cp = 00;
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OPJ_UINT32 l_remaining_data, l_Z_ppm, l_N_ppm;
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OPJ_UINT32 i, l_ppm_data_size, l_N_ppm_remaining;
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/* preconditions */
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assert(p_header_data != 00);
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assert(p_j2k != 00);
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assert(p_cp != 00);
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assert(p_manager != 00);
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assert(p_cp->ppm_buffer == NULL);
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/* Minimum size of PPM marker is equal to the size of Zppm element */
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if (p_header_size < 1) {
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opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n");
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return OPJ_FALSE;
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}
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l_cp = &(p_j2k->m_cp);
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l_cp->ppm = 1;
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opj_read_bytes(p_header_data,&l_Z_ppm,1); /* Z_ppm */
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++p_header_data;
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--p_header_size;
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/* First PPM marker */
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if (l_Z_ppm == 0) {
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if (l_cp->ppm_data != NULL) {
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opj_event_msg(p_manager, EVT_ERROR, "Zppm O already processed. Found twice.\n");
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opj_free(l_cp->ppm_data);
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l_cp->ppm_data = NULL;
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l_cp->ppm_buffer = NULL;
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l_cp->ppm = 0; /* do not use PPM */
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return OPJ_FALSE;
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}
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/* We need now at least the Nppm^0 element */
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if (p_header_size < 4) {
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opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n");
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return OPJ_FALSE;
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}
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opj_read_bytes(p_header_data,&l_N_ppm,4); /* First N_ppm */
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p_header_data+=4;
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p_header_size-=4;
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/* sanity check: how much bytes is left for Ippm */
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if( p_header_size < l_N_ppm )
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{
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opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes (%u) to hold Ippm series (%u), Index (%d)\n", p_header_size, l_N_ppm, l_Z_ppm );
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opj_free(l_cp->ppm_data);
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l_cp->ppm_data = NULL;
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l_cp->ppm_buffer = NULL;
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l_cp->ppm = 0; /* do not use PPM */
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return OPJ_FALSE;
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}
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/* First PPM marker: Initialization */
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l_cp->ppm_len = l_N_ppm;
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l_cp->ppm_data_read = 0;
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l_cp->ppm_data = (OPJ_BYTE *) opj_calloc(1,l_cp->ppm_len);
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l_cp->ppm_buffer = l_cp->ppm_data;
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if (l_cp->ppm_data == 00) {
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opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read ppm marker\n");
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return OPJ_FALSE;
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}
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l_cp->ppm_data_current = l_cp->ppm_data;
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/*l_cp->ppm_data = l_cp->ppm_buffer;*/
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}
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else {
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if (p_header_size < 4) {
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opj_event_msg(p_manager, EVT_WARNING, "Empty PPM marker\n");
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if (p_cp->ppm == 0U) {
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return OPJ_TRUE;
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}
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else {
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/* Uncompleted Ippm series in the previous PPM marker?*/
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if (l_cp->ppm_data_read < l_cp->ppm_len) {
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/* Get the place where add the remaining Ippm series*/
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l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_data_read]);
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l_N_ppm = l_cp->ppm_len - l_cp->ppm_data_read;
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}
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else {
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OPJ_BYTE *new_ppm_data;
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opj_read_bytes(p_header_data,&l_N_ppm,4); /* First N_ppm */
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p_header_data+=4;
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p_header_size-=4;
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/* sanity check: how much bytes is left for Ippm */
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if( p_header_size < l_N_ppm )
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l_ppm_data_size = 0U;
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l_N_ppm_remaining = 0U;
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for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
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if (p_cp->ppm_markers[i].m_data != NULL) { /* standard doesn't seem to require contiguous Zppm */
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OPJ_UINT32 l_N_ppm;
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OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
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const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
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if (l_N_ppm_remaining >= l_data_size) {
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l_N_ppm_remaining -= l_data_size;
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l_data_size = 0U;
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} else {
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l_data += l_N_ppm_remaining;
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l_data_size -= l_N_ppm_remaining;
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l_N_ppm_remaining = 0U;
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}
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if (l_data_size > 0U) {
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do
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{
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opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes (%u) to hold Ippm series (%u), Index (%d)\n", p_header_size, l_N_ppm, l_Z_ppm );
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opj_free(l_cp->ppm_data);
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l_cp->ppm_data = NULL;
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l_cp->ppm_buffer = NULL;
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l_cp->ppm = 0; /* do not use PPM */
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/* read Nppm */
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if (l_data_size < 4U) {
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/* clean up to be done on l_cp destruction */
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opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
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return OPJ_FALSE;
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}
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/* Increase the size of ppm_data to add the new Ippm series*/
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assert(l_cp->ppm_data == l_cp->ppm_buffer && "We need ppm_data and ppm_buffer to be the same when reallocating");
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new_ppm_data = (OPJ_BYTE *) opj_realloc(l_cp->ppm_data, l_cp->ppm_len + l_N_ppm);
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if (! new_ppm_data) {
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opj_free(l_cp->ppm_data);
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l_cp->ppm_data = NULL;
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l_cp->ppm_buffer = NULL; /* TODO: no need for a new local variable: ppm_buffer and ppm_data are enough */
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l_cp->ppm_len = 0;
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opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to increase the size of ppm_data to add the new Ippm series\n");
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opj_read_bytes(l_data, &l_N_ppm, 4);
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l_data+=4;
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l_data_size-=4;
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l_ppm_data_size += l_N_ppm; /* can't overflow, max 256 markers of max 65536 bytes, that is when PPM markers are not corrupted which is checked elsewhere */
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if (l_data_size >= l_N_ppm) {
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l_data_size -= l_N_ppm;
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l_data += l_N_ppm;
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} else {
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l_N_ppm_remaining = l_N_ppm - l_data_size;
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l_data_size = 0U;
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}
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} while (l_data_size > 0U);
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}
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}
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}
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if (l_N_ppm_remaining != 0U) {
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/* clean up to be done on l_cp destruction */
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opj_event_msg(p_manager, EVT_ERROR, "Corrupted PPM markers\n");
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return OPJ_FALSE;
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}
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l_cp->ppm_data = new_ppm_data;
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l_cp->ppm_buffer = l_cp->ppm_data;
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/* Keep the position of the place where concatenate the new series*/
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l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_len]);
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l_cp->ppm_len += l_N_ppm;
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}
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p_cp->ppm_buffer = (OPJ_BYTE *) opj_malloc(l_ppm_data_size);
|
||||
if (p_cp->ppm_buffer == 00) {
|
||||
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
|
||||
return OPJ_FALSE;
|
||||
}
|
||||
p_cp->ppm_len = l_ppm_data_size;
|
||||
l_ppm_data_size = 0U;
|
||||
l_N_ppm_remaining = 0U;
|
||||
for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
|
||||
if (p_cp->ppm_markers[i].m_data != NULL) { /* standard doesn't seem to require contiguous Zppm */
|
||||
OPJ_UINT32 l_N_ppm;
|
||||
OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
|
||||
const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
|
||||
|
||||
if (l_N_ppm_remaining >= l_data_size) {
|
||||
memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
|
||||
l_ppm_data_size += l_data_size;
|
||||
l_N_ppm_remaining -= l_data_size;
|
||||
l_data_size = 0U;
|
||||
} else {
|
||||
memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm_remaining);
|
||||
l_ppm_data_size += l_N_ppm_remaining;
|
||||
l_data += l_N_ppm_remaining;
|
||||
l_data_size -= l_N_ppm_remaining;
|
||||
l_N_ppm_remaining = 0U;
|
||||
}
|
||||
|
||||
l_remaining_data = p_header_size;
|
||||
|
||||
while (l_remaining_data >= l_N_ppm) {
|
||||
/* read a complete Ippm series*/
|
||||
memcpy(l_cp->ppm_data_current, p_header_data, l_N_ppm);
|
||||
p_header_size -= l_N_ppm;
|
||||
p_header_data += l_N_ppm;
|
||||
|
||||
l_cp->ppm_data_read += l_N_ppm; /* Increase the number of data read*/
|
||||
|
||||
if (p_header_size)
|
||||
if (l_data_size > 0U) {
|
||||
do
|
||||
{
|
||||
if (p_header_size < 4) {
|
||||
opj_free(l_cp->ppm_data);
|
||||
l_cp->ppm_data = NULL;
|
||||
l_cp->ppm_buffer = NULL; /* TODO: no need for a new local variable: ppm_buffer and ppm_data are enough */
|
||||
l_cp->ppm_len = 0;
|
||||
l_cp->ppm = 0;
|
||||
opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n");
|
||||
/* read Nppm */
|
||||
if (l_data_size < 4U) {
|
||||
/* clean up to be done on l_cp destruction */
|
||||
opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
|
||||
return OPJ_FALSE;
|
||||
}
|
||||
opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm^i */
|
||||
p_header_data+=4;
|
||||
p_header_size-=4;
|
||||
opj_read_bytes(l_data, &l_N_ppm, 4);
|
||||
l_data+=4;
|
||||
l_data_size-=4;
|
||||
|
||||
if (l_data_size >= l_N_ppm) {
|
||||
memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm);
|
||||
l_ppm_data_size += l_N_ppm;
|
||||
l_data_size -= l_N_ppm;
|
||||
l_data += l_N_ppm;
|
||||
} else {
|
||||
memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
|
||||
l_ppm_data_size += l_data_size;
|
||||
l_N_ppm_remaining = l_N_ppm - l_data_size;
|
||||
l_data_size = 0U;
|
||||
}
|
||||
else {
|
||||
l_remaining_data = p_header_size;
|
||||
break;
|
||||
} while (l_data_size > 0U);
|
||||
}
|
||||
|
||||
l_remaining_data = p_header_size;
|
||||
|
||||
/* Next Ippm series is a complete series ?*/
|
||||
if (l_remaining_data >= l_N_ppm) {
|
||||
OPJ_BYTE *new_ppm_data;
|
||||
/* Increase the size of ppm_data to add the new Ippm series*/
|
||||
assert(l_cp->ppm_data == l_cp->ppm_buffer && "We need ppm_data and ppm_buffer to be the same when reallocating");
|
||||
/* Overflow check */
|
||||
if ((l_cp->ppm_len + l_N_ppm) < l_N_ppm) {
|
||||
opj_free(l_cp->ppm_data);
|
||||
l_cp->ppm_data = NULL;
|
||||
l_cp->ppm_buffer = NULL; /* TODO: no need for a new local variable: ppm_buffer and ppm_data are enough */
|
||||
l_cp->ppm_len = 0;
|
||||
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to increase the size of ppm_data to add the new (complete) Ippm series\n");
|
||||
return OPJ_FALSE;
|
||||
}
|
||||
new_ppm_data = (OPJ_BYTE *) opj_realloc(l_cp->ppm_data, l_cp->ppm_len + l_N_ppm);
|
||||
if (! new_ppm_data) {
|
||||
opj_free(l_cp->ppm_data);
|
||||
l_cp->ppm_data = NULL;
|
||||
l_cp->ppm_buffer = NULL; /* TODO: no need for a new local variable: ppm_buffer and ppm_data are enough */
|
||||
l_cp->ppm_len = 0;
|
||||
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to increase the size of ppm_data to add the new (complete) Ippm series\n");
|
||||
return OPJ_FALSE;
|
||||
}
|
||||
l_cp->ppm_data = new_ppm_data;
|
||||
l_cp->ppm_buffer = l_cp->ppm_data;
|
||||
|
||||
/* Keep the position of the place where concatenate the new series */
|
||||
l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_len]);
|
||||
l_cp->ppm_len += l_N_ppm;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/* Need to read an incomplete Ippm series*/
|
||||
if (l_remaining_data) {
|
||||
OPJ_BYTE *new_ppm_data;
|
||||
assert(l_cp->ppm_data == l_cp->ppm_buffer && "We need ppm_data and ppm_buffer to be the same when reallocating");
|
||||
|
||||
/* Overflow check */
|
||||
if ((l_cp->ppm_len + l_N_ppm) < l_N_ppm) {
|
||||
opj_free(l_cp->ppm_data);
|
||||
l_cp->ppm_data = NULL;
|
||||
l_cp->ppm_buffer = NULL; /* TODO: no need for a new local variable: ppm_buffer and ppm_data are enough */
|
||||
l_cp->ppm_len = 0;
|
||||
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to increase the size of ppm_data to add the new (complete) Ippm series\n");
|
||||
return OPJ_FALSE;
|
||||
}
|
||||
new_ppm_data = (OPJ_BYTE *) opj_realloc(l_cp->ppm_data, l_cp->ppm_len + l_N_ppm);
|
||||
if (! new_ppm_data) {
|
||||
opj_free(l_cp->ppm_data);
|
||||
l_cp->ppm_data = NULL;
|
||||
l_cp->ppm_buffer = NULL; /* TODO: no need for a new local variable: ppm_buffer and ppm_data are enough */
|
||||
l_cp->ppm_len = 0;
|
||||
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to increase the size of ppm_data to add the new (incomplete) Ippm series\n");
|
||||
return OPJ_FALSE;
|
||||
}
|
||||
l_cp->ppm_data = new_ppm_data;
|
||||
l_cp->ppm_buffer = l_cp->ppm_data;
|
||||
|
||||
/* Keep the position of the place where concatenate the new series*/
|
||||
l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_len]);
|
||||
l_cp->ppm_len += l_N_ppm;
|
||||
|
||||
/* Read incomplete Ippm series*/
|
||||
memcpy(l_cp->ppm_data_current, p_header_data, l_remaining_data);
|
||||
p_header_size -= l_remaining_data;
|
||||
p_header_data += l_remaining_data;
|
||||
|
||||
l_cp->ppm_data_read += l_remaining_data; /* Increase the number of data read*/
|
||||
}
|
||||
|
||||
#ifdef CLEAN_MSD
|
||||
|
||||
if (l_cp->ppm_data_size == l_cp->ppm_len) {
|
||||
if (p_header_size >= 4) {
|
||||
/* read a N_ppm*/
|
||||
opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm */
|
||||
p_header_data+=4;
|
||||
p_header_size-=4;
|
||||
l_cp->ppm_len += l_N_ppm ;
|
||||
|
||||
OPJ_BYTE *new_ppm_buffer = (OPJ_BYTE *) opj_realloc(l_cp->ppm_buffer, l_cp->ppm_len);
|
||||
if (! new_ppm_buffer) {
|
||||
opj_free(l_cp->ppm_buffer);
|
||||
l_cp->ppm_buffer = NULL;
|
||||
l_cp->ppm_len = 0;
|
||||
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read ppm marker\n");
|
||||
return OPJ_FALSE;
|
||||
}
|
||||
l_cp->ppm_buffer = new_ppm_buffer;
|
||||
memset(l_cp->ppm_buffer+l_cp->ppm_data_size,0,l_N_ppm);
|
||||
|
||||
l_cp->ppm_data = l_cp->ppm_buffer;
|
||||
}
|
||||
else {
|
||||
return OPJ_FALSE;
|
||||
opj_free(p_cp->ppm_markers[i].m_data);
|
||||
p_cp->ppm_markers[i].m_data = NULL;
|
||||
p_cp->ppm_markers[i].m_data_size = 0U;
|
||||
}
|
||||
}
|
||||
|
||||
l_remaining_data = l_cp->ppm_len - l_cp->ppm_data_size;
|
||||
p_cp->ppm_data = p_cp->ppm_buffer;
|
||||
p_cp->ppm_data_size = p_cp->ppm_len;
|
||||
|
||||
p_cp->ppm_markers_count = 0U;
|
||||
opj_free(p_cp->ppm_markers);
|
||||
p_cp->ppm_markers = NULL;
|
||||
|
||||
if (l_remaining_data <= p_header_size) {
|
||||
/* we must store less information than available in the packet */
|
||||
memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , l_remaining_data);
|
||||
l_cp->ppm_data_size = l_cp->ppm_len;
|
||||
p_header_size -= l_remaining_data;
|
||||
p_header_data += l_remaining_data;
|
||||
}
|
||||
else {
|
||||
memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , p_header_size);
|
||||
l_cp->ppm_data_size += p_header_size;
|
||||
p_header_data += p_header_size;
|
||||
p_header_size = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
return OPJ_TRUE;
|
||||
}
|
||||
|
||||
|
@ -3920,7 +3758,7 @@ static OPJ_BOOL opj_j2k_read_ppt ( opj_j2k_t *p_j2k,
|
|||
OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
|
||||
assert(l_tcp->ppt_markers_count == 0U);
|
||||
|
||||
l_tcp->ppt_markers = (opj_ppt *) opj_calloc(l_newCount, sizeof(opj_ppt));
|
||||
l_tcp->ppt_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
|
||||
if (l_tcp->ppt_markers == NULL) {
|
||||
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
|
||||
return OPJ_FALSE;
|
||||
|
@ -3928,15 +3766,15 @@ static OPJ_BOOL opj_j2k_read_ppt ( opj_j2k_t *p_j2k,
|
|||
l_tcp->ppt_markers_count = l_newCount;
|
||||
} else if (l_tcp->ppt_markers_count <= l_Z_ppt) {
|
||||
OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
|
||||
opj_ppt *new_ppt_markers;
|
||||
new_ppt_markers = (opj_ppt *) opj_realloc(l_tcp->ppt_markers, l_newCount * sizeof(opj_ppt));
|
||||
opj_ppx *new_ppt_markers;
|
||||
new_ppt_markers = (opj_ppx *) opj_realloc(l_tcp->ppt_markers, l_newCount * sizeof(opj_ppx));
|
||||
if (new_ppt_markers == NULL) {
|
||||
/* clean up to be done on l_tcp destruction */
|
||||
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
|
||||
return OPJ_FALSE;
|
||||
}
|
||||
l_tcp->ppt_markers = new_ppt_markers;
|
||||
memset(l_tcp->ppt_markers + l_tcp->ppt_markers_count, 0, (l_newCount - l_tcp->ppt_markers_count) * sizeof(opj_ppt));
|
||||
memset(l_tcp->ppt_markers + l_tcp->ppt_markers_count, 0, (l_newCount - l_tcp->ppt_markers_count) * sizeof(opj_ppx));
|
||||
l_tcp->ppt_markers_count = l_newCount;
|
||||
}
|
||||
|
||||
|
@ -7390,6 +7228,11 @@ OPJ_BOOL opj_j2k_read_header_procedure( opj_j2k_t *p_j2k,
|
|||
return OPJ_FALSE;
|
||||
}
|
||||
|
||||
if (! opj_j2k_merge_ppm(&(p_j2k->m_cp), p_manager)) {
|
||||
opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPM data\n");
|
||||
return OPJ_FALSE;
|
||||
}
|
||||
|
||||
opj_event_msg(p_manager, EVT_INFO, "Main header has been correctly decoded.\n");
|
||||
|
||||
/* Position of the last element if the main header */
|
||||
|
@ -7785,6 +7628,17 @@ void opj_j2k_cp_destroy (opj_cp_t *p_cp)
|
|||
opj_free(p_cp->tcps);
|
||||
p_cp->tcps = 00;
|
||||
}
|
||||
if (p_cp->ppm_markers != 00) {
|
||||
OPJ_UINT32 i;
|
||||
for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
|
||||
if (p_cp->ppm_markers[i].m_data != NULL) {
|
||||
opj_free(p_cp->ppm_markers[i].m_data);
|
||||
}
|
||||
}
|
||||
p_cp->ppm_markers_count = 0U;
|
||||
opj_free(p_cp->ppm_markers);
|
||||
p_cp->ppm_markers = NULL;
|
||||
}
|
||||
opj_free(p_cp->ppm_buffer);
|
||||
p_cp->ppm_buffer = 00;
|
||||
p_cp->ppm_data = NULL; /* ppm_data belongs to the allocated buffer pointed by ppm_buffer */
|
||||
|
@ -8135,6 +7989,10 @@ OPJ_BOOL opj_j2k_read_tile_header( opj_j2k_t * p_j2k,
|
|||
}
|
||||
}
|
||||
|
||||
if (! opj_j2k_merge_ppt(p_j2k->m_cp.tcps + p_j2k->m_current_tile_number, p_manager)) {
|
||||
opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPT data\n");
|
||||
return OPJ_FALSE;
|
||||
}
|
||||
/*FIXME ???*/
|
||||
if (! opj_tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number)) {
|
||||
opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
|
||||
|
@ -8185,11 +8043,6 @@ OPJ_BOOL opj_j2k_decode_tile ( opj_j2k_t * p_j2k,
|
|||
return OPJ_FALSE;
|
||||
}
|
||||
|
||||
if (! opj_j2k_merge_ppt(l_tcp, p_manager)) {
|
||||
opj_j2k_tcp_destroy(l_tcp);
|
||||
return OPJ_FALSE;
|
||||
}
|
||||
|
||||
if (! opj_tcd_decode_tile( p_j2k->m_tcd,
|
||||
l_tcp->m_data,
|
||||
l_tcp->m_data_size,
|
||||
|
|
|
@ -232,11 +232,11 @@ typedef struct opj_simple_mcc_decorrelation_data
|
|||
}
|
||||
opj_simple_mcc_decorrelation_data_t;
|
||||
|
||||
typedef struct opj_ppt_struct
|
||||
typedef struct opj_ppx_struct
|
||||
{
|
||||
OPJ_BYTE* m_data; /* m_data == NULL => Zppt not read yet */
|
||||
OPJ_BYTE* m_data; /* m_data == NULL => Zppx not read yet */
|
||||
OPJ_UINT32 m_data_size;
|
||||
} opj_ppt;
|
||||
} opj_ppx;
|
||||
|
||||
/**
|
||||
Tile coding parameters :
|
||||
|
@ -263,8 +263,8 @@ typedef struct opj_tcp
|
|||
|
||||
/** number of ppt markers (reserved size) */
|
||||
OPJ_UINT32 ppt_markers_count;
|
||||
/** ppt markers data (table indexed by Zppm) */
|
||||
opj_ppt* ppt_markers;
|
||||
/** ppt markers data (table indexed by Zppt) */
|
||||
opj_ppx* ppt_markers;
|
||||
|
||||
/** packet header store there for futur use in t2_decode_packet */
|
||||
OPJ_BYTE *ppt_data;
|
||||
|
@ -371,6 +371,11 @@ typedef struct opj_cp
|
|||
/** number of tiles in heigth */
|
||||
OPJ_UINT32 th;
|
||||
|
||||
/** number of ppm markers (reserved size) */
|
||||
OPJ_UINT32 ppm_markers_count;
|
||||
/** ppm markers data (table indexed by Zppm) */
|
||||
opj_ppx* ppm_markers;
|
||||
|
||||
/** packet header store there for futur use in t2_decode_packet */
|
||||
OPJ_BYTE *ppm_data;
|
||||
/** size of the ppm_data*/
|
||||
|
|
Loading…
Reference in New Issue