X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/0adf3ed39b6fe254154e3b4c38feea616e5aece1..97d46aee1158e549c110d66a0e1c4185c3cbbdf3:/lib/dvb/subtitle.cpp diff --git a/lib/dvb/subtitle.cpp b/lib/dvb/subtitle.cpp index 5510997b..06bb266e 100644 --- a/lib/dvb/subtitle.cpp +++ b/lib/dvb/subtitle.cpp @@ -11,7 +11,7 @@ #include #include -void bitstream_init(struct bitstream *bit, const void *buffer, int size) +void bitstream_init(bitstream *bit, const void *buffer, int size) { bit->data = (__u8*) buffer; bit->size = size; @@ -19,7 +19,7 @@ void bitstream_init(struct bitstream *bit, const void *buffer, int size) bit->consumed = 0; } -int bitstream_get(struct bitstream *bit) +int bitstream_get(bitstream *bit) { int val; bit->avail -= bit->size; @@ -33,7 +33,7 @@ int bitstream_get(struct bitstream *bit) return val; } -static int extract_pts(pts_t &pts, const __u8 *pkt) +static int extract_pts(pts_t &pts, __u8 *pkt) { pkt += 7; int flags = *pkt++; @@ -54,50 +54,42 @@ static int extract_pts(pts_t &pts, const __u8 *pkt) return -1; } -void eDVBSubtitleParser::subtitle_process_line(struct subtitle_page *page, int object_id, int line, const __u8 *data, int len) +void eDVBSubtitleParser::subtitle_process_line(subtitle_region *region, subtitle_region_object *object, int line, __u8 *data, int len) { - struct subtitle_region *region = page->regions; -// eDebug("line for %d:%d", page->page_id, object_id); - while (region) + int x = object->object_horizontal_position; + int y = object->object_vertical_position + line; + if (x + len > region->width) { - struct subtitle_region_object *object = region->region_objects; - while (object) - { - if (object->object_id == object_id) - { - int x = object->object_horizontal_position; - int y = object->object_vertical_position + line; - if (x + len > region->region_width) - { - //eDebug("[SUB] !!!! XCLIP %d + %d > %d", x, len, region->region_width); - len = region->region_width - x; - } - if (len < 0) - break; - if (y >= region->region_height) - { - //eDebug("[SUB] !!!! YCLIP %d >= %d", y, region->region_height); - break; - } -// //eDebug("inserting %d bytes (into region %d)", len, region->region_id); - memcpy((__u8*)region->region_buffer->surface->data + region->region_width * y + x, data, len); - } - object = object->next; - } - region = region->next; +// eDebug("[SUB] !!!! XCLIP %d + %d > %d", x, len, region->width); + len = region->width - x; + } + if (len < 0) + return; + if (y >= region->height) + { +// eDebug("[SUB] !!!! YCLIP %d >= %d", y, region->height); + return; } +// eDebug("inserting %d bytes (into region %d)", len, region->region_id); +// eDebug("put data to buffer %p", &(*region->buffer)); + memcpy((__u8*)region->buffer->surface->data + region->buffer->surface->stride * y + x, data, len); } -int eDVBSubtitleParser::subtitle_process_pixel_data(struct subtitle_page *page, int object_id, int *linenr, int *linep, const __u8 *data) +static int map_2_to_4_bit_table[4]; +static int map_2_to_8_bit_table[4]; +static int map_4_to_8_bit_table[16]; + +int eDVBSubtitleParser::subtitle_process_pixel_data(subtitle_region *region, subtitle_region_object *object, int *linenr, int *linep, __u8 *data) { int data_type = *data++; - static __u8 line[720]; + static __u8 line[1920]; - struct bitstream bit; + bitstream bit; bit.size=0; switch (data_type) { case 0x10: // 2bit pixel data +// eDebug("2bit pixel data!"); bitstream_init(&bit, data, 2); while (1) { @@ -137,7 +129,7 @@ int eDVBSubtitleParser::subtitle_process_pixel_data(struct subtitle_page *page, { col = 0; len = 1; - } else if (code&2) + } else if (code&2) { if (code&1) len = 3 + 4 + bitstream_get(&bit); @@ -146,9 +138,13 @@ int eDVBSubtitleParser::subtitle_process_pixel_data(struct subtitle_page *page, col = bitstream_get(&bit); } } - while (len && ((*linep) < 720)) + uint8_t c = region->depth == subtitle_region::bpp4 ? + map_2_to_4_bit_table[col] : + region->depth == subtitle_region::bpp8 ? + map_2_to_8_bit_table[col] : col; + while (len && ((*linep) < m_display_size.width())) { - line[(*linep)++] = col; + line[(*linep)++] = c; len--; } } @@ -156,6 +152,7 @@ int eDVBSubtitleParser::subtitle_process_pixel_data(struct subtitle_page *page, bitstream_get(&bit); return bit.consumed + 1; case 0x11: // 4bit pixel data +// eDebug("4bit pixel data!"); bitstream_init(&bit, data, 4); while (1) { @@ -198,9 +195,11 @@ int eDVBSubtitleParser::subtitle_process_pixel_data(struct subtitle_page *page, col = bitstream_get(&bit); } } - while (len && ((*linep) < 720)) + uint8_t c = region->depth == subtitle_region::bpp8 ? + map_4_to_8_bit_table[col] : col; + while (len && ((*linep) < m_display_size.width())) { - line[(*linep)++] = col; + line[(*linep)++] = c; len--; } } @@ -208,6 +207,7 @@ int eDVBSubtitleParser::subtitle_process_pixel_data(struct subtitle_page *page, bitstream_get(&bit); return bit.consumed + 1; case 0x12: // 8bit pixel data +// eDebug("8bit pixel data!"); bitstream_init(&bit, data, 8); while(1) { @@ -231,39 +231,52 @@ int eDVBSubtitleParser::subtitle_process_pixel_data(struct subtitle_page *page, } else break; } - while (len && ((*linep) < 720)) + while (len && ((*linep) < m_display_size.width())) { line[(*linep)++] = col; len--; } } return bit.consumed + 1; - case 0x20: // ignore 2 -> 4bit map table + case 0x20: +// eDebugNoNewLine("2 -> 4 bit table: "); bitstream_init(&bit, data, 4); for ( int i=0; i < 4; ++i ) - bitstream_get(&bit); - break; - case 0x21: // ignore 2 -> 8bit map table + { + map_2_to_4_bit_table[i] = bitstream_get(&bit); +// eDebugNoNewLine("%d ", map_2_to_4_bit_table[i]); + } + eDebug(""); + return bit.consumed + 1; + case 0x21: +// eDebugNoNewLine("2 -> 8 bit table: "); bitstream_init(&bit, data, 8); for ( int i=0; i < 4; ++i ) - bitstream_get(&bit); - break; - case 0x22: // ignore 4 -> 8bit map table + { + map_2_to_8_bit_table[i] = bitstream_get(&bit); +// eDebugNoNewLine("%d ", map_2_to_8_bit_table[i]); + } + return bit.consumed + 1; + case 0x22: +// eDebug("4 -> 8 bit table!"); bitstream_init(&bit, data, 8); for ( int i=0; i < 16; ++i ) - bitstream_get(&bit); - break; + { + map_4_to_8_bit_table[i] = bitstream_get(&bit); +// eDebugNoNewLine("%d ", map_4_to_8_bit_table[i]); + } + return bit.consumed + 1; case 0xF0: - subtitle_process_line(page, object_id, *linenr, line, *linep); + subtitle_process_line(region, object, *linenr, line, *linep); /* { int i; - for (i=0; i<720; ++i) - //eDebugNoNewLine("%d ", line[i]); - //eDebug(""); + for (i=0; ipages; ppage = &this->pages; + if (page_id != m_composition_page_id && page_id != m_ancillary_page_id) + return segment_length + 6; +// eDebug("have %d bytes of segment data", segment_length); + +// eDebug("page_id %d, segtype %02x", page_id, segment_type); + + subtitle_page *page, **ppage; + + page = m_pages; ppage = &m_pages; while (page) { @@ -312,17 +327,17 @@ int eDVBSubtitleParser::subtitle_process_segment(const __u8 *segment) int page_time_out = *segment++; processed_length++; int page_version_number = *segment >> 4; int page_state = (*segment >> 2) & 0x3; - //eDebug("pcs with %d bytes data (%d:%d:%d)", segment_length, page_id, page_version_number, page_state); +// eDebug("pcs with %d bytes data (%d:%d:%d)", segment_length, page_id, page_version_number, page_state); segment++; processed_length++; - //eDebug("page time out: %d", page_time_out); - //eDebug("page_version_number: %d" ,page_version_number); - //eDebug("page_state: %d", page_state); +// eDebug("page time out: %d", page_time_out); +// eDebug("page_version_number: %d" ,page_version_number); +// eDebug("page_state: %d", page_state); if (!page) { - //eDebug("page not found"); +// eDebug("page not found"); page = new subtitle_page; page->page_regions = 0; page->regions = 0; @@ -337,21 +352,39 @@ int eDVBSubtitleParser::subtitle_process_segment(const __u8 *segment) // if no update, just skip this data. if (page->page_version_number == page_version_number) { - eDebug("skip data... "); +// eDebug("skip data... "); break; } } + page->state = page_state; + // eDebug("page updated: old: %d, new: %d", page->page_version_number, page_version_number); // when acquisition point or mode change: remove all displayed pages. if ((page_state == 1) || (page_state == 2)) { while (page->page_regions) { - struct subtitle_page_region *p = page->page_regions->next; + subtitle_page_region *p = page->page_regions->next; +// eDebug("delete page_region %d", page->page_regions->region_id); delete page->page_regions; page->page_regions = p; } + while (page->regions) + { + subtitle_region *p = page->regions->next; +// eDebug("delete region %d", page->regions->region_id); + while(page->regions->objects) + { +// eDebug("delete region object"); + subtitle_region_object *ob = page->regions->objects->next; + delete page->regions->objects; + page->regions->objects = ob; + } + delete page->regions; + page->regions = p; + } + } // eDebug("new page.. (%d)", page_state); @@ -360,17 +393,23 @@ int eDVBSubtitleParser::subtitle_process_segment(const __u8 *segment) page->page_version_number = page_version_number; - struct subtitle_page_region **r = &page->page_regions; + subtitle_page_region **r = &page->page_regions; - //eDebug("%d / %d data left", processed_length, segment_length); +// eDebug("%d / %d data left", processed_length, segment_length); // go to last entry while (*r) r = &(*r)->next; + if (processed_length == segment_length && !page->page_regions) + { +// eDebug("no regions in page.. clear screen!!"); + subtitle_redraw(page->page_id); + } + while (processed_length < segment_length) { - struct subtitle_page_region *pr; + subtitle_page_region *pr; // append new entry to list pr = new subtitle_page_region; @@ -389,7 +428,7 @@ int eDVBSubtitleParser::subtitle_process_segment(const __u8 *segment) pr->region_vertical_address |= *segment++; processed_length += 2; - //eDebug("appended active region"); +// eDebug("appended active region"); } if (processed_length != segment_length) @@ -399,7 +438,7 @@ int eDVBSubtitleParser::subtitle_process_segment(const __u8 *segment) case 0x11: // region composition segment { int region_id = *segment++; processed_length++; - int region_version_number = *segment >> 4; + int version_number = *segment >> 4; int region_fill_flag = (*segment >> 3) & 1; segment++; processed_length++; @@ -410,7 +449,7 @@ int eDVBSubtitleParser::subtitle_process_segment(const __u8 *segment) break; } - struct subtitle_region *region, **pregion; + subtitle_region *region, **pregion; region = page->regions; pregion = &page->regions; @@ -425,48 +464,54 @@ int eDVBSubtitleParser::subtitle_process_segment(const __u8 *segment) if (!region) { +// eDebug("create region !!!!!!!!!!"); *pregion = region = new subtitle_region; region->next = 0; + region->committed = false; } - else if (region->region_version_number != region_version_number) + else if (region->version_number != version_number) { - struct subtitle_region_object *objects = region->region_objects; + subtitle_region_object *objects = region->objects; +// eDebug("unequal version %p %p", objects, objects?objects->next:objects); while (objects) { - struct subtitle_region_object *n = objects->next; + subtitle_region_object *n = objects->next; delete objects; objects = n; } - if (region->region_buffer) + if (region->buffer) { - if (region->region_buffer->surface) - delete region->region_buffer->surface; - region->region_buffer=0; +// eDebug("no more need of buffer %p", &(*region->buffer)); + region->buffer=0; } + region->committed = false; } else break; - //eDebug("region %d:%d update", page_id, region_id); +// eDebug("region %d:%d update", page_id, region_id); region->region_id = region_id; - region->region_version_number = region_version_number; + region->version_number = version_number; - region->region_width = *segment++ << 8; - region->region_width |= *segment++; + region->width = *segment++ << 8; + region->width |= *segment++; processed_length += 2; - region->region_height = *segment++ << 8; - region->region_height |= *segment++; + region->height = *segment++ << 8; + region->height |= *segment++; processed_length += 2; - region->region_buffer = new gPixmap(eSize(region->region_width, region->region_height), 8); + region->buffer = new gPixmap(eSize(region->width, region->height), 8, 1); + memset(region->buffer->surface->data, 0, region->height * region->buffer->surface->stride); +// eDebug("new buffer %p", &(*region->buffer)); - int region_level_of_compatibility, region_depth; + int region_level_of_compatibility, depth; region_level_of_compatibility = (*segment >> 5) & 7; - region_depth = (*segment++ >> 2) & 7; - region->region_depth = (subtitle_region::depth) region_depth; + depth = (*segment++ >> 2) & 7; + + region->depth = (subtitle_region::tDepth) depth; processed_length++; int CLUT_id = *segment++; processed_length++; @@ -487,25 +532,25 @@ int eDVBSubtitleParser::subtitle_process_segment(const __u8 *segment) if (region_fill_flag) { - if (region_depth == 1) - memset(region->region_buffer->surface->data, region_2bit_pixel_code, region->region_height * region->region_width); - else if (region_depth == 2) - memset(region->region_buffer->surface->data, region_4bit_pixel_code, region->region_height * region->region_width); - else if (region_depth == 3) - memset(region->region_buffer->surface->data, region_8bit_pixel_code, region->region_height * region->region_width); +// eDebug("region fill buffer %p", &(*region->buffer)); + if (depth == 1) + memset(region->buffer->surface->data, region_2bit_pixel_code, region->height * region->width); + else if (depth == 2) + memset(region->buffer->surface->data, region_4bit_pixel_code, region->height * region->width); + else if (depth == 3) + memset(region->buffer->surface->data, region_8bit_pixel_code, region->height * region->width); else eDebug("!!!! invalid depth"); } - //eDebug("region %02x, version %d, %dx%d", region->region_id, region->region_version_number, region->region_width, region->region_height); +// eDebug("region %02x, version %d, %dx%d", region->region_id, region->version_number, region->width, region->height); - region->region_objects = 0; - struct subtitle_region_object **pobject = ®ion->region_objects; + region->objects = 0; + subtitle_region_object **pobject = ®ion->objects; while (processed_length < segment_length) { - - struct subtitle_region_object *object; + subtitle_region_object *object; object = new subtitle_region_object; @@ -542,18 +587,18 @@ int eDVBSubtitleParser::subtitle_process_segment(const __u8 *segment) case 0x12: // CLUT definition segment { int CLUT_id, CLUT_version_number; - struct subtitle_clut *clut, **pclut; + subtitle_clut *clut, **pclut; if (!page) break; - //eDebug("CLUT: %02x", *segment); +// eDebug("CLUT: %02x", *segment); CLUT_id = *segment++; CLUT_version_number = *segment++ >> 4; processed_length += 2; - //eDebug("page %d, CLUT %02x, version %d", page->page_id, CLUT_id, CLUT_version_number); +// eDebug("page %d, CLUT %02x, version %d", page->page_id, CLUT_id, CLUT_version_number); clut = page->cluts; pclut = &page->cluts; @@ -575,13 +620,12 @@ int eDVBSubtitleParser::subtitle_process_segment(const __u8 *segment) break; clut->CLUT_version_number=CLUT_version_number; - clut->size_2 = clut->size_4 = clut->size_8 = 0; - /* invalidate CLUT if updated. */ - if ((this->current_clut_page_id == page_id) && (this->current_clut_id == CLUT_id)) - this->current_clut_id = -1; + memset(clut->entries_2bit, 0, sizeof(clut->entries_2bit)); + memset(clut->entries_4bit, 0, sizeof(clut->entries_4bit)); + memset(clut->entries_8bit, 0, sizeof(clut->entries_8bit)); - //eDebug("new clut"); +// eDebug("new Clut!"); while (processed_length < segment_length) { int CLUT_entry_id, entry_CLUT_flag, full_range; @@ -594,6 +638,7 @@ int eDVBSubtitleParser::subtitle_process_segment(const __u8 *segment) if (full_range) { +// eDebugNoNewLine("f"); v_Y = *segment++; v_Cr = *segment++; v_Cb = *segment++; @@ -601,6 +646,7 @@ int eDVBSubtitleParser::subtitle_process_segment(const __u8 *segment) processed_length += 4; } else { +// eDebugNoNewLine(" "); v_Y = *segment & 0xFC; v_Cr = (*segment++ & 3) << 6; v_Cr |= (*segment & 0xC0) >> 2; @@ -611,32 +657,42 @@ int eDVBSubtitleParser::subtitle_process_segment(const __u8 *segment) if (entry_CLUT_flag & 1) // 8bit { - ASSERT(CLUT_entry_id < 256); - ++clut->size_8; +// eDebugNoNewLine("8b"); clut->entries_8bit[CLUT_entry_id].Y = v_Y; clut->entries_8bit[CLUT_entry_id].Cr = v_Cr; clut->entries_8bit[CLUT_entry_id].Cb = v_Cb; clut->entries_8bit[CLUT_entry_id].T = v_T; + clut->entries_8bit[CLUT_entry_id].valid = 1; } if (entry_CLUT_flag & 2) // 4bit { - ASSERT(CLUT_entry_id < 16); - ++clut->size_4; - clut->entries_4bit[CLUT_entry_id].Y = v_Y; - clut->entries_4bit[CLUT_entry_id].Cr = v_Cr; - clut->entries_4bit[CLUT_entry_id].Cb = v_Cb; - clut->entries_4bit[CLUT_entry_id].T = v_T; +// eDebugNoNewLine("4b"); + if (CLUT_entry_id < 16) + { + clut->entries_4bit[CLUT_entry_id].Y = v_Y; + clut->entries_4bit[CLUT_entry_id].Cr = v_Cr; + clut->entries_4bit[CLUT_entry_id].Cb = v_Cb; + clut->entries_4bit[CLUT_entry_id].T = v_T; + clut->entries_4bit[CLUT_entry_id].valid = 1; + } + else + eDebug("CLUT entry marked as 4 bit with id %d (>15)", CLUT_entry_id); } if (entry_CLUT_flag & 4) // 2bit { - ASSERT(CLUT_entry_id < 4); - ++clut->size_2; - clut->entries_2bit[CLUT_entry_id].Y = v_Y; - clut->entries_2bit[CLUT_entry_id].Cr = v_Cr; - clut->entries_2bit[CLUT_entry_id].Cb = v_Cb; - clut->entries_2bit[CLUT_entry_id].T = v_T; +// eDebugNoNewLine("2b"); + if (CLUT_entry_id < 4) + { + clut->entries_2bit[CLUT_entry_id].Y = v_Y; + clut->entries_2bit[CLUT_entry_id].Cr = v_Cr; + clut->entries_2bit[CLUT_entry_id].Cb = v_Cb; + clut->entries_2bit[CLUT_entry_id].T = v_T; + clut->entries_2bit[CLUT_entry_id].valid = 1; + } + else + eDebug("CLUT entry marked as 2 bit with id %d (>3)", CLUT_entry_id); } - //eDebug(" %04x %02x %02x %02x %02x", CLUT_entry_id, v_Y, v_Cb, v_Cr, v_T); +// eDebug(" %04x %02x %02x %02x %02x", CLUT_entry_id, v_Y, v_Cb, v_Cr, v_T); } break; } @@ -653,69 +709,133 @@ int eDVBSubtitleParser::subtitle_process_segment(const __u8 *segment) non_modifying_color_flag = (*segment++ >> 1) & 1; processed_length++; - //eDebug("object id %04x, version %d, object_coding_method %d (page_id %d)", object_id, object_version_number, object_coding_method, page_id); - - if (object_coding_method == 0) +// eDebug("object id %04x, version %d, object_coding_method %d (page_id %d)", object_id, object_version_number, object_coding_method, page_id); + subtitle_region *region = page->regions; +// eDebug("line for %d:%d", page->page_id, object_id); + while (region) { - int top_field_data_blocklength, bottom_field_data_blocklength; - int i, line, linep; - - top_field_data_blocklength = *segment++ << 8; - top_field_data_blocklength |= *segment++; - - bottom_field_data_blocklength = *segment++ << 8; - bottom_field_data_blocklength |= *segment++; - //eDebug("%d / %d bytes", top_field_data_blocklength, bottom_field_data_blocklength); - processed_length += 4; - - i = 0; - line = 0; - linep = 0; - while (i < top_field_data_blocklength) - { - int len; - len = subtitle_process_pixel_data(page, object_id, &line, &linep, segment); - if (len < 0) - return -1; - segment += len; - processed_length += len; - i += len; - } - - line = 1; - linep = 0; - - if (bottom_field_data_blocklength) + subtitle_region_object *object = region->objects; + while (object) { - i = 0; - while (i < bottom_field_data_blocklength) + if (object->object_id == object_id) { - int len; - len = subtitle_process_pixel_data(page, object_id, &line, &linep, segment); - if (len < 0) - return -1; - segment += len; - processed_length += len; - i += len; + if (object_coding_method == 0) + { + int top_field_data_blocklength, bottom_field_data_blocklength; + int i=1, line, linep; + + top_field_data_blocklength = *segment++ << 8; + top_field_data_blocklength |= *segment++; + + bottom_field_data_blocklength = *segment++ << 8; + bottom_field_data_blocklength |= *segment++; +// eDebug("%d / %d bytes", top_field_data_blocklength, bottom_field_data_blocklength); + processed_length += 4; + + // its working on cyfra channels.. but hmm in EN300743 the default table is 0, 7, 8, 15 + map_2_to_4_bit_table[0] = 0; + map_2_to_4_bit_table[1] = 8; + map_2_to_4_bit_table[2] = 7; + map_2_to_4_bit_table[3] = 15; + + // this map is realy untested... + map_2_to_8_bit_table[0] = 0; + map_2_to_8_bit_table[1] = 0x88; + map_2_to_8_bit_table[2] = 0x77; + map_2_to_8_bit_table[3] = 0xff; + + map_4_to_8_bit_table[0] = 0; + for (; i < 16; ++i) + map_4_to_8_bit_table[i] = i * 0x11; + + i = 0; + line = 0; + linep = 0; + while (i < top_field_data_blocklength) + { + int len; + len = subtitle_process_pixel_data(region, object, &line, &linep, segment); + if (len < 0) + return -1; + segment += len; + processed_length += len; + i += len; + } + + line = 1; + linep = 0; + + if (bottom_field_data_blocklength) + { + i = 0; + while (i < bottom_field_data_blocklength) + { + int len; + len = subtitle_process_pixel_data(region, object, &line, &linep, segment); + if (len < 0) + return -1; + segment += len; + processed_length += len; + i += len; + } + } + else if (top_field_data_blocklength) + eDebug("!!!! unimplemented: no bottom field! (%d : %d)", top_field_data_blocklength, bottom_field_data_blocklength); + + if ((top_field_data_blocklength + bottom_field_data_blocklength) & 1) + { + segment++; processed_length++; + } + } + else if (object_coding_method == 1) + eDebug("---- object_coding_method 1 unsupported!"); } + object = object->next; } - else if (top_field_data_blocklength) - eDebug("!!!! unimplemented: no bottom field! (%d : %d)", top_field_data_blocklength, bottom_field_data_blocklength); - - if ((top_field_data_blocklength + bottom_field_data_blocklength) & 1) + region = region->next; + } + break; + } + case 0x14: // display definition segment + { + if (segment_length > 4) + { + int dds_version_number = segment[0] >> 4; + int display_window_flag = (segment[0] >> 3) & 1; + int display_width = (segment[1] << 8) | (segment[2]); + int display_height = (segment[3] << 8) | (segment[4]); +// eDebug("version %d, window_flag %d, display_width %d, display_height %d", +// dds_version_number, display_window_flag, display_width, display_height); + processed_length += 5; + m_display_size = eSize(display_width+1, display_height+1); + if (display_window_flag) { - segment++; processed_length++; + if (segment_length > 12) + { + int display_window_horizontal_position_min = (segment[4] << 8) | segment[5]; + int display_window_horizontal_position_max = (segment[6] << 8) | segment[7]; + int display_window_vertical_position_min = (segment[8] << 8) | segment[9]; + int display_window_vertical_position_max = (segment[10] << 8) | segment[11]; + eDebug("NYI hpos min %d, hpos max %d, vpos min %d, vpos max %d", + display_window_horizontal_position_min, + display_window_horizontal_position_max, + display_window_vertical_position_min, + display_window_vertical_position_max); + processed_length += 8; + } + else + eDebug("display window flag set but display definition segment to short %d!", segment_length); } } - else if (object_coding_method == 1) - eDebug("---- object_coding_method 1 unsupported!"); - + else + eDebug("display definition segment to short %d!", segment_length); break; } case 0x80: // end of display set segment { // eDebug("end of display set segment"); subtitle_redraw_all(); + m_seen_eod = true; } case 0xFF: // stuffing break; @@ -726,10 +846,12 @@ int eDVBSubtitleParser::subtitle_process_segment(const __u8 *segment) return segment_length + 6; } -void eDVBSubtitleParser::subtitle_process_pes(const __u8 *pkt, int len) +void eDVBSubtitleParser::subtitle_process_pes(__u8 *pkt, int len) { - if (!extract_pts(show_time, pkt)) +// eDebugNoNewLine("subtitle_process_pes"); + if (!extract_pts(m_show_time, pkt)) { +// eDebug(" %lld", m_show_time); pkt += 6; len -= 6; // skip PES header pkt++; len--; @@ -741,7 +863,7 @@ void eDVBSubtitleParser::subtitle_process_pes(const __u8 *pkt, int len) if (*pkt != 0x20) { - //eDebug("data identifier is 0x%02x, but not 0x20", *pkt); +// eDebug("data identifier is 0x%02x, but not 0x20", *pkt); return; } pkt++; len--; // data identifier @@ -749,10 +871,12 @@ void eDVBSubtitleParser::subtitle_process_pes(const __u8 *pkt, int len) if (len <= 0) { - //eDebug("no data left (%d)", len); +// eDebug("no data left (%d)", len); return; } + m_seen_eod = false; + while (len && *pkt == 0x0F) { int l = subtitle_process_segment(pkt); @@ -761,82 +885,59 @@ void eDVBSubtitleParser::subtitle_process_pes(const __u8 *pkt, int len) pkt += l; len -= l; } - // if (len && *pkt != 0xFF) - // eDebug("strange data at the end"); - } - else - eDebug("dvb subtitle packet without PTS.. ignore!!"); -} -void eDVBSubtitleParser::subtitle_clear_screen() -{ - /* clear bbox */ - int y; - - //eDebug("BBOX clear %d:%d -> %d:%d", this->bbox_left, this->bbox_top, this->bbox_right, this->bbox_bottom); - - // do not draw when anyone has locked the - // framebuffer ( non enigma plugins... ) - this->bbox_right = 720; - if (this->bbox_right > this->bbox_left) - for (y=this->bbox_top; y < this->bbox_bottom; ++y) - ; // TODO fixmee clear subtitle screen - - this->bbox_right = 0; - this->bbox_left = this->screen_width; - this->bbox_top = this->screen_height; - this->bbox_bottom = 0; + if (len && *pkt != 0xFF) + eDebug("strange data at the end"); + + if (!m_seen_eod) + subtitle_redraw_all(); + } +// else +// eDebug(""); } void eDVBSubtitleParser::subtitle_redraw_all() { #if 1 - struct subtitle_page *page = this->pages; - if ( page ) - { - struct subtitle_page_region *region = page->page_regions; - if ( region ) - subtitle_clear_screen(); - } + subtitle_page *page = m_pages; while(page) { - subtitle_redraw(page->page_id); + if (page->state != 0) + subtitle_redraw(page->page_id); page = page->next; } #else - subtitle_clear_screen(); - - struct subtitle_page *page = this->pages; - //eDebug("----------- end of display set"); - //eDebug("active pages:"); + subtitle_page *page = m_pages; + eDebug("----------- end of display set"); + eDebug("active pages:"); while (page) { - //eDebug(" page_id %02x", page->page_id); - //eDebug(" page_version_number: %d", page->page_version_number); - //eDebug(" active regions:"); + eDebug(" page_id %02x", page->page_id); + eDebug(" page_version_number: %d", page->page_version_number); + eDebug(" active regions:"); { - struct subtitle_page_region *region = page->page_regions; + subtitle_page_region *region = page->page_regions; while (region) { - //eDebug(" region_id: %04x", region->region_id); - //eDebug(" region_horizontal_address: %d", region->region_horizontal_address); - //eDebug(" region_vertical_address: %d", region->region_vertical_address); + eDebug(" region_id: %04x", region->region_id); + eDebug(" region_horizontal_address: %d", region->region_horizontal_address); + eDebug(" region_vertical_address: %d", region->region_vertical_address); region = region->next; } } subtitle_redraw(page->page_id); - //eDebug("defined regions:"); - struct subtitle_region *region = page->regions; + eDebug("defined regions:"); + subtitle_region *region = page->regions; while (region) { - //eDebug(" region_id %04x, version %d, %dx%d", region->region_id, region->region_version_number, region->region_width, region->region_height); + eDebug(" region_id %04x, version %d, %dx%d", region->region_id, region->version_number, region->width, region->height); - struct subtitle_region_object *object = region->region_objects; + subtitle_region_object *object = region->objects; while (object) { - //eDebug(" object %02x, type %d, %d:%d", object->object_id, object->object_type, object->object_horizontal_position, object->object_vertical_position); + eDebug(" object %02x, type %d, %d:%d", object->object_id, object->object_type, object->object_horizontal_position, object->object_vertical_position); object = object->next; } region = region->next; @@ -848,32 +949,31 @@ void eDVBSubtitleParser::subtitle_redraw_all() void eDVBSubtitleParser::subtitle_reset() { - while (struct subtitle_page *page = this->pages) + while (subtitle_page *page = m_pages) { /* free page regions */ while (page->page_regions) { - struct subtitle_page_region *p = page->page_regions->next; + subtitle_page_region *p = page->page_regions->next; delete page->page_regions; page->page_regions = p; } /* free regions */ while (page->regions) { - struct subtitle_region *region = page->regions; + subtitle_region *region = page->regions; - while (region->region_objects) + while (region->objects) { - struct subtitle_region_object *obj = region->region_objects; - region->region_objects = obj->next; + subtitle_region_object *obj = region->objects; + region->objects = obj->next; delete obj; } - if (region->region_buffer) + if (region->buffer) { - if (region->region_buffer->surface) - delete region->region_buffer->surface; - region->region_buffer=0; +// eDebug("no more need of buffer 2 %p", &(*region->buffer)); + region->buffer=0; } page->regions = region->next; @@ -883,21 +983,21 @@ void eDVBSubtitleParser::subtitle_reset() /* free CLUTs */ while (page->cluts) { - struct subtitle_clut *clut = page->cluts; + subtitle_clut *clut = page->cluts; page->cluts = clut->next; delete clut; } - this->pages = page->next; + m_pages = page->next; delete page; } } void eDVBSubtitleParser::subtitle_redraw(int page_id) { - struct subtitle_page *page = this->pages; + subtitle_page *page = m_pages; - //eDebug("displaying page id %d", page_id); +// eDebug("displaying page id %d", page_id); while (page) { @@ -907,19 +1007,21 @@ void eDVBSubtitleParser::subtitle_redraw(int page_id) } if (!page) { - //eDebug("page not found"); +// eDebug("page not found"); return; } - - //eDebug("iterating regions.."); +// eDebug("iterating regions.."); /* iterate all regions in this pcs */ - struct subtitle_page_region *region = page->page_regions; - while (region) + subtitle_page_region *region = page->page_regions; + + eDVBSubtitlePage Page; + Page.m_show_time = m_show_time; + for (; region; region=region->next) { - //eDebug("region %d", region->region_id); +// eDebug("region %d", region->region_id); /* find corresponding region */ - struct subtitle_region *reg = page->regions; + subtitle_region *reg = page->regions; while (reg) { if (reg->region_id == region->region_id) @@ -928,69 +1030,243 @@ void eDVBSubtitleParser::subtitle_redraw(int page_id) } if (reg) { - int y; - //eDebug("copy region %d to %d, %d", region->region_id, region->region_horizontal_address, region->region_vertical_address); + if (reg->committed) + continue; +// eDebug("copy region %d to %d, %d", region->region_id, region->region_horizontal_address, region->region_vertical_address); int x0 = region->region_horizontal_address; int y0 = region->region_vertical_address; - int x1 = x0 + reg->region_width; - int y1 = y0 + reg->region_height; - if ((x0 < 0) || (y0 < 0) || (x0 > this->screen_width) || (x0 > this->screen_height)) + if ((x0 < 0) || (y0 < 0)) + { +// eDebug("x0 %d, y0 %d", x0, y0); continue; - - /* adjust bbox */ - if (x0 < this->bbox_left) - this->bbox_left = x0; - if (y0 < this->bbox_top) - this->bbox_top = y0; - if (x1 > this->bbox_right) - this->bbox_right = x1; - if (y1 > this->bbox_bottom) - this->bbox_bottom = y1; - - int timeout = page->page_time_out; + } /* find corresponding clut */ - struct subtitle_clut *clut = page->cluts; + subtitle_clut *clut = page->cluts; while (clut) { - //eDebug("have %d, want %d", clut->clut_id, main_clut_id); +// eDebug("have %d, want %d", clut->clut_id, main_clut_id); if (clut->clut_id == reg->clut_id) break; clut = clut->next; } - if (clut) + + int clut_size = reg->buffer->surface->clut.colors = reg->depth == subtitle_region::bpp2 ? + 4 : reg->depth == subtitle_region::bpp4 ? 16 : 256; + + reg->buffer->surface->clut.data = new gRGB[clut_size]; +// eDebug("create clut data for buffer %p", &(*reg->buffer)); + + gRGB *palette = reg->buffer->surface->clut.data; + +// if (!clut) +// eDebug("no CLUT.. use default"); + + subtitle_clut_entry *entries=0; + switch(reg->depth) { - // TODO fill region->surface->clut !!!!! + case subtitle_region::bpp2: +// eDebug("2BPP"); + if (clut) + entries = clut->entries_2bit; + memset(palette, 0, 4 * sizeof(gRGB)); + // this table is tested on cyfra .. but in EN300743 the table palette[2] and palette[1] is swapped.. i dont understand this ;) + palette[0].a = 0xFF; + palette[2].r = palette[2].g = palette[2].b = 0xFF; + palette[3].r = palette[3].g = palette[3].b = 0x80; + break; + case subtitle_region::bpp4: // tested on cyfra... but the map is another in EN300743... dont understand this... +// eDebug("4BPP"); + if (clut) + entries = clut->entries_4bit; + memset(palette, 0, 16*sizeof(gRGB)); + for (int i=0; i < 16; ++i) + { + if (!i) + palette[i].a = 0xFF; + else if (i & 8) + { + if (i & 1) + palette[i].r = 0x80; + if (i & 2) + palette[i].g = 0x80; + if (i & 4) + palette[i].b = 0x80; + } + else + { + if (i & 1) + palette[i].r = 0xFF; + if (i & 2) + palette[i].g = 0xFF; + if (i & 4) + palette[i].b = 0xFF; + } + } + break; + case subtitle_region::bpp8: // completely untested.. i never seen 8bit DVB subtitles +// eDebug("8BPP"); + if (clut) + entries = clut->entries_8bit; + memset(palette, 0, 256*sizeof(gRGB)); + for (int i=0; i < 256; ++i) + { + switch (i & 17) + { + case 0: // b1 == 0 && b5 == 0 + if (!(i & 14)) // b2 == 0 && b3 == 0 && b4 == 0 + { + if (!(i & 224)) // b6 == 0 && b7 == 0 && b8 == 0 + palette[i].a = 0xFF; + else + { + if (i & 128) // R = 100% x b8 + palette[i].r = 0xFF; + if (i & 64) // G = 100% x b7 + palette[i].g = 0xFF; + if (i & 32) // B = 100% x b6 + palette[i].b = 0xFF; + palette[i].a = 0xBF; // T = 75% + } + break; + } + // fallthrough !! + case 16: // b1 == 0 && b5 == 1 + if (i & 128) // R = 33% x b8 + palette[i].r = 0x55; + if (i & 64) // G = 33% x b7 + palette[i].g = 0x55; + if (i & 32) // B = 33% x b6 + palette[i].b = 0x55; + if (i & 8) // R + 66,7% x b4 + palette[i].r += 0xAA; + if (i & 4) // G + 66,7% x b3 + palette[i].g += 0xAA; + if (i & 2) // B + 66,7% x b2 + palette[i].b += 0xAA; + if (i & 16) // needed for fall through from case 0!! + palette[i].a = 0x80; // T = 50% + break; + case 1: // b1 == 1 && b5 == 0 + palette[i].r = + palette[i].g = + palette[i].b = 0x80; // 50% + // fall through!! + case 17: // b1 == 1 && b5 == 1 + if (i & 128) // R += 16.7% x b8 + palette[i].r += 0x2A; + if (i & 64) // G += 16.7% x b7 + palette[i].g += 0x2A; + if (i & 32) // B += 16.7% x b6 + palette[i].b += 0x2A; + if (i & 8) // R += 33% x b4 + palette[i].r += 0x55; + if (i & 4) // G += 33% x b3 + palette[i].g += 0x55; + if (i & 2) // B += 33% x b2 + palette[i].b += 0x55; + break; + } + } + break; } - else + + for (int i=0; iregion_depth - // TODO fill region->surface->clut !!!!! + if (entries && entries[i].valid) + { + int y = entries[i].Y, + cr = entries[i].Cr, + cb = entries[i].Cb; + if (y > 0) + { + y -= 16; + cr -= 128; + cb -= 128; + palette[i].r = MAX(MIN(((298 * y + 460 * cr) / 256), 255), 0); + palette[i].g = MAX(MIN(((298 * y - 55 * cb - 137 * cr) / 256), 255), 0); + palette[i].b = MAX(MIN(((298 * y + 543 * cb ) / 256), 255), 0); + palette[i].a = (entries[i].T) & 0xFF; +// eDebug("override clut entry %d RGBA %02x%02x%02x%02x", i, +// palette[i].r, palette[i].g, palette[i].b, palette[i].a); + } + else + { +// eDebug("mist %d: y %d cr %d cb %d", i, y, cr, cb); + palette[i].r = 0; + palette[i].g = 0; + palette[i].b = 0; + palette[i].a = 0xFF; + } + } +// eDebug("%d:%c %02x %02x %02x %02x", +// i, entries && entries[i].valid ? 'O': 'D', palette[i].r, palette[i].g, palette[i].b, palette[i].a); } - // TODO Blit Region Pixmap !!! + +// eDebug("commit buffer %p", &(*reg->buffer)); + eDVBSubtitleRegion Region; + Region.m_pixmap = reg->buffer; + Region.m_position.setX(x0); + Region.m_position.setY(y0); + Page.m_regions.push_back(Region); + reg->committed = true; } - else - eDebug("region not found"); - region = region->next; +// else +// eDebug("region not found"); } - //eDebug("schon gut."); + Page.m_display_size = m_display_size; + m_new_subtitle_page(Page); + Page.m_regions.clear(); +// eDebug("page timeout is %d", page->page_time_out); +// Page.m_show_time += (page->page_time_out * 90000); +// m_new_subtitle_page(Page); +// eDebug("schon gut."); } DEFINE_REF(eDVBSubtitleParser); eDVBSubtitleParser::eDVBSubtitleParser(iDVBDemux *demux) + :m_pages(0), m_display_size(720,576) { setStreamID(0xBD); if (demux->createPESReader(eApp, m_pes_reader)) eDebug("failed to create dvb subtitle PES reader!"); else - m_pes_reader->connectRead(slot(*this, &eDVBSubtitleParser::subtitle_process_pes), m_read_connection); + m_pes_reader->connectRead(slot(*this, &eDVBSubtitleParser::processData), m_read_connection); } eDVBSubtitleParser::~eDVBSubtitleParser() { subtitle_reset(); } + +int eDVBSubtitleParser::stop() +{ + if (m_pes_reader) + { + eDebug("disable dvb subtitles"); + return m_pes_reader->stop(); + } + return -1; +} + +int eDVBSubtitleParser::start(int pid, int composition_page_id, int ancillary_page_id) +{ + if (m_pes_reader) + { + eDebug("start dvb subtitles on pid 0x%04x with composition_page_id %d and ancillary_page_id %d", + pid, composition_page_id, ancillary_page_id); + m_composition_page_id = composition_page_id; + m_ancillary_page_id = ancillary_page_id; + return m_pes_reader->start(pid); + } + return -1; +} + +void eDVBSubtitleParser::connectNewPage(const Slot1 &slot, ePtr &connection) +{ + connection = new eConnection(this, m_new_subtitle_page.connect(slot)); +}