Cross Reference: /frameworks/av/media/libstagefright/mpeg2ts/ATSParser.cpp

Lines Matching defs:br
51             unsigned pid, ABitReader *br, status_t *err);
56             ABitReader *br, status_t *err);
93     status_t parseProgramMap(ABitReader *br);
111             ABitReader *br);
139     status_t parsePES(ABitReader *br);
187         unsigned pid, ABitReader *br, status_t *err) {
194     *err = parseProgramMap(br);
202         ABitReader *br, status_t *err) {
211             continuity_counter, payload_unit_start_indicator, br);
234 status_t ATSParser::Program::parseProgramMap(ABitReader *br) {
235     unsigned table_id = br->getBits(8);
239     unsigned section_syntax_indicator = br->getBits(1);
243     CHECK_EQ(br->getBits(1), 0u);
244     MY_LOGV("  reserved = %u", br->getBits(2));
246     unsigned section_length = br->getBits(12);
251     MY_LOGV("  program_number = %u", br->getBits(16));
252     MY_LOGV("  reserved = %u", br->getBits(2));
253     MY_LOGV("  version_number = %u", br->getBits(5));
254     MY_LOGV("  current_next_indicator = %u", br->getBits(1));
255     MY_LOGV("  section_number = %u", br->getBits(8));
256     MY_LOGV("  last_section_number = %u", br->getBits(8));
257     MY_LOGV("  reserved = %u", br->getBits(3));
259     unsigned PCR_PID = br->getBits(13);
262     MY_LOGV("  reserved = %u", br->getBits(4));
264     unsigned program_info_length = br->getBits(12);
268     br->skipBits(program_info_length * 8);  // skip descriptors
280         unsigned streamType = br->getBits(8);
283         MY_LOGV("    reserved = %u", br->getBits(3));
285         unsigned elementaryPID = br->getBits(13);
288         MY_LOGV("    reserved = %u", br->getBits(4));
290         unsigned ES_info_length = br->getBits(12);
297         br->skipBits(ES_info_length * 8);  // skip descriptors
301             MY_LOGV("      tag = 0x%02x", br->getBits(8));
303             unsigned descLength = br->getBits(8);
308             br->skipBits(descLength * 8);
324     MY_LOGV("  CRC = 0x%08x", br->getBits(32));
516         unsigned payload_unit_start_indicator, ABitReader *br) {
554     size_t payloadSizeBits = br->numBitsLeft();
570     memcpy(mBuffer->data() + mBuffer->size(), br->data(), payloadSizeBits / 8);
650 status_t ATSParser::Stream::parsePES(ABitReader *br) {
651     unsigned packet_startcode_prefix = br->getBits(24);
664     unsigned stream_id = br->getBits(8);
667     unsigned PES_packet_length = br->getBits(16);
678         CHECK_EQ(br->getBits(2), 2u);
680         MY_LOGV("PES_scrambling_control = %u", br->getBits(2));
681         MY_LOGV("PES_priority = %u", br->getBits(1));
682         MY_LOGV("data_alignment_indicator = %u", br->getBits(1));
683         MY_LOGV("copyright = %u", br->getBits(1));
684         MY_LOGV("original_or_copy = %u", br->getBits(1));
686         unsigned PTS_DTS_flags = br->getBits(2);
689         unsigned ESCR_flag = br->getBits(1);
692         unsigned ES_rate_flag = br->getBits(1);
695         unsigned DSM_trick_mode_flag = br->getBits(1);
698         unsigned additional_copy_info_flag = br->getBits(1);
701         MY_LOGV("PES_CRC_flag = %u", br->getBits(1));
702         MY_LOGV("PES_extension_flag = %u", br->getBits(1));
704         unsigned PES_header_data_length = br->getBits(8);
714             CHECK_EQ(br->getBits(4), PTS_DTS_flags);
716             PTS = ((uint64_t)br->getBits(3)) << 30;
717             CHECK_EQ(br->getBits(1), 1u);
718             PTS |= ((uint64_t)br->getBits(15)) << 15;
719             CHECK_EQ(br->getBits(1), 1u);
720             PTS |= br->getBits(15);
721             CHECK_EQ(br->getBits(1), 1u);
730                 CHECK_EQ(br->getBits(4), 1u);
732                 DTS = ((uint64_t)br->getBits(3)) << 30;
733                 CHECK_EQ(br->getBits(1), 1u);
734                 DTS |= ((uint64_t)br->getBits(15)) << 15;
735                 CHECK_EQ(br->getBits(1), 1u);
736                 DTS |= br->getBits(15);
737                 CHECK_EQ(br->getBits(1), 1u);
748             br->getBits(2);
750             uint64_t ESCR = ((uint64_t)br->getBits(3)) << 30;
751             CHECK_EQ(br->getBits(1), 1u);
752             ESCR |= ((uint64_t)br->getBits(15)) << 15;
753             CHECK_EQ(br->getBits(1), 1u);
754             ESCR |= br->getBits(15);
755             CHECK_EQ(br->getBits(1), 1u);
758             MY_LOGV("ESCR_extension = %u", br->getBits(9));
760             CHECK_EQ(br->getBits(1), 1u);
768             CHECK_EQ(br->getBits(1), 1u);
769             MY_LOGV("ES_rate = %u", br->getBits(22));
770             CHECK_EQ(br->getBits(1), 1u);
775         br->skipBits(optional_bytes_remaining * 8);
785             if (br->numBitsLeft() < dataLength * 8) {
788                      br->numBitsLeft(), dataLength * 8);
793             CHECK_GE(br->numBitsLeft(), dataLength * 8);
796                     PTS_DTS_flags, PTS, DTS, br->data(), dataLength);
798             br->skipBits(dataLength * 8);
802                     br->data(), br->numBitsLeft() / 8);
804             size_t payloadSizeBits = br->numBitsLeft();
811         br->skipBits(PES_packet_length * 8);
814         br->skipBits(PES_packet_length * 8);
827     ABitReader br(mBuffer->data(), mBuffer->size());
829     status_t err = parsePES(&br);
926     ABitReader br((const uint8_t *)data, kTSPacketSize);
927     return parseTS(&br);
954 void ATSParser::parseProgramAssociationTable(ABitReader *br) {
955     unsigned table_id = br->getBits(8);
959     unsigned section_syntax_indictor = br->getBits(1);
963     CHECK_EQ(br->getBits(1), 0u);
964     MY_LOGV("  reserved = %u", br->getBits(2));
966     unsigned section_length = br->getBits(12);
970     MY_LOGV("  transport_stream_id = %u", br->getBits(16));
971     MY_LOGV("  reserved = %u", br->getBits(2));
972     MY_LOGV("  version_number = %u", br->getBits(5));
973     MY_LOGV("  current_next_indicator = %u", br->getBits(1));
974     MY_LOGV("  section_number = %u", br->getBits(8));
975     MY_LOGV("  last_section_number = %u", br->getBits(8));
981         unsigned program_number = br->getBits(16);
984         MY_LOGV("    reserved = %u", br->getBits(3));
987             MY_LOGV("    network_PID = 0x%04x", br->getBits(13));
989             unsigned programMapPID = br->getBits(13);
1015     MY_LOGV("  CRC = 0x%08x", br->getBits(32));
1019         ABitReader *br, unsigned PID,
1030             unsigned skip = br->getBits(8);
1031             br->skipBits(skip * 8);
1035         CHECK((br->numBitsLeft() % 8) == 0);
1036         status_t err = section->append(br->data(), br->numBitsLeft() / 8);
1082                     br, &err)) {
1099 void ATSParser::parseAdaptationField(ABitReader *br, unsigned PID) {
1100     unsigned adaptation_field_length = br->getBits(8);
1103         unsigned discontinuity_indicator = br->getBits(1);
1109         br->skipBits(2);
1110         unsigned PCR_flag = br->getBits(1);
1115             br->skipBits(4);
1116             uint64_t PCR_base = br->getBits(32);
1117             PCR_base = (PCR_base << 1) | br->getBits(1);
1119             br->skipBits(6);
1120             unsigned PCR_ext = br->getBits(9);
1126                 (188 - br->numBitsLeft() / 8);
1147         br->skipBits(adaptation_field_length * 8 - numBitsRead);
1151 status_t ATSParser::parseTS(ABitReader *br) {
1154     unsigned sync_byte = br->getBits(8);
1157     MY_LOGV("transport_error_indicator = %u", br->getBits(1));
1159     unsigned payload_unit_start_indicator = br->getBits(1);
1162     MY_LOGV("transport_priority = %u", br->getBits(1));
1164     unsigned PID = br->getBits(13);
1167     MY_LOGV("transport_scrambling_control = %u", br->getBits(2));
1169     unsigned adaptation_field_control = br->getBits(2);
1172     unsigned continuity_counter = br->getBits(4);
1178         parseAdaptationField(br, PID);
1185                 br, PID, continuity_counter, payload_unit_start_indicator);