Lines Matching defs:asf
34 #include "asf.h"
39 int asfid2avid[128]; ///< conversion table from asf ID 2 AVStream ID
191 ASFContext *asf = s->priv_data;
194 ff_get_guid(pb, &asf->hdr.guid);
195 asf->hdr.file_size = avio_rl64(pb);
196 asf->hdr.create_time = avio_rl64(pb);
198 asf->hdr.play_time = avio_rl64(pb);
199 asf->hdr.send_time = avio_rl64(pb);
200 asf->hdr.preroll = avio_rl32(pb);
201 asf->hdr.ignore = avio_rl32(pb);
202 asf->hdr.flags = avio_rl32(pb);
203 asf->hdr.min_pktsize = avio_rl32(pb);
204 asf->hdr.max_pktsize = avio_rl32(pb);
205 if (asf->hdr.min_pktsize >= (1U<<29))
207 asf->hdr.max_bitrate = avio_rl32(pb);
208 s->packet_size = asf->hdr.max_pktsize;
215 ASFContext *asf = s->priv_data;
242 start_time = asf->hdr.preroll;
246 if(!(asf->hdr.flags & 0x01)) { // if we aren't streaming...
247 st->duration = asf->hdr.play_time /
273 // mapping of asf ID to AV stream ID;
274 asf->asfid2avid[st->id] = s->nb_streams - 1;
354 /* not available for asf */
402 ASFContext *asf = s->priv_data;
423 asf->streams[stream_num].stream_language_index = stream_languageid_index;
430 asf->stream_bitrates[stream_num] = leak_rate;
470 ASFContext *asf = s->priv_data;
492 asf->dar[0].num= get_value(s->pb, value_type);
494 asf->dar[0].den= get_value(s->pb, value_type);
505 ASFContext *asf = s->priv_data;
514 av_strlcpy(asf->stream_languages[j], lang, sizeof(*asf->stream_languages));
523 ASFContext *asf = s->priv_data;
544 if (!strcmp(name, "AspectRatioX")) asf->dar[stream_num].num= value_num;
545 else if(!strcmp(name, "AspectRatioY")) asf->dar[stream_num].den= value_num;
587 ASFContext *asf = s->priv_data;
600 memset(&asf->asfid2avid, -1, sizeof(asf->asfid2avid));
609 asf->data_object_offset = avio_tell(pb);
611 if (!(asf->hdr.flags & 0x01) && gsize >= 100) {
612 asf->data_object_size = gsize - 24;
614 asf->data_object_size = (uint64_t)-1;
669 asf->data_offset = avio_tell(pb);
670 asf->packet_size_left = 0;
674 int stream_num= asf->asfid2avid[i];
678 st->codec->bit_rate = asf->stream_bitrates[i];
679 if (asf->dar[i].num > 0 && asf->dar[i].den > 0){
682 asf->dar[i].num, asf->dar[i].den, INT_MAX);
683 } else if ((asf->dar[0].num > 0) && (asf->dar[0].den > 0) && (st->codec->codec_type==AVMEDIA_TYPE_VIDEO)) // Use ASF container value if the stream doesn't AR set.
686 asf->dar[0].num, asf->dar[0].den, INT_MAX);
691 if (asf->streams[i].stream_language_index < 128) {
692 const char *rfc1766 = asf->stream_languages[asf->streams[i].stream_language_index];
725 ASFContext *asf = s->priv_data;
753 av_log(s, AV_LOG_ERROR, "ff asf bad header %x at:%"PRId64"\n", c, avio_tell(pb));
758 av_log(s, AV_LOG_ERROR, "ff asf bad non zero\n");
768 asf->packet_flags = c;
769 asf->packet_property = d;
771 DO_2BITS(asf->packet_flags >> 5, packet_length, s->packet_size);
772 DO_2BITS(asf->packet_flags >> 1, padsize, 0); // sequence ignored
773 DO_2BITS(asf->packet_flags >> 3, padsize, 0); // padding length
785 asf->packet_timestamp = avio_rl32(pb);
789 if (asf->packet_flags & 0x01) {
790 asf->packet_segsizetype = avio_r8(pb); rsize++;
791 asf->packet_segments = asf->packet_segsizetype & 0x3f;
793 asf->packet_segments = 1;
794 asf->packet_segsizetype = 0x80;
797 asf->packet_size_left = 0;
803 asf->packet_size_left = packet_length - padsize - rsize;
804 if (packet_length < asf->hdr.min_pktsize)
805 padsize += asf->hdr.min_pktsize - packet_length;
806 asf->packet_padsize = padsize;
807 av_dlog(s, "packet: size=%d padsize=%d left=%d\n", s->packet_size, asf->packet_padsize, asf->packet_size_left);
816 ASFContext *asf = s->priv_data;
821 asf->packet_segments--;
822 asf->packet_key_frame = num >> 7;
823 asf->stream_index = asf->asfid2avid[num & 0x7f];
825 DO_2BITS(asf->packet_property >> 4, asf->packet_seq, 0);
826 DO_2BITS(asf->packet_property >> 2, asf->packet_frag_offset, 0);
827 DO_2BITS(asf->packet_property, asf->packet_replic_size, 0);
828 //printf("key:%d stream:%d seq:%d offset:%d replic_size:%d\n", asf->packet_key_frame, asf->stream_index, asf->packet_seq, //asf->packet_frag_offset, asf->packet_replic_size);
829 if (asf->packet_replic_size >= 8) {
830 asf->packet_obj_size = avio_rl32(pb);
831 if(asf->packet_obj_size >= (1<<24) || asf->packet_obj_size <= 0){
835 asf->packet_frag_timestamp = avio_rl32(pb); // timestamp
836 if(asf->packet_replic_size >= 8+38+4){
837 // for(i=0; i<asf->packet_replic_size-8; i++)
845 avio_skip(pb, asf->packet_replic_size - 8 - 38 - 4);
846 if(ts0!= -1) asf->packet_frag_timestamp= ts0/10000;
847 else asf->packet_frag_timestamp= AV_NOPTS_VALUE;
849 avio_skip(pb, asf->packet_replic_size - 8);
850 rsize += asf->packet_replic_size; // FIXME - check validity
851 } else if (asf->packet_replic_size==1){
853 asf->packet_time_start = asf->packet_frag_offset;
854 asf->packet_frag_offset = 0;
855 asf->packet_frag_timestamp = asf->packet_timestamp;
857 asf->packet_time_delta = avio_r8(pb);
859 }else if(asf->packet_replic_size!=0){
860 av_log(s, AV_LOG_ERROR, "unexpected packet_replic_size of %d\n", asf->packet_replic_size);
863 if (asf->packet_flags & 0x01) {
864 DO_2BITS(asf->packet_segsizetype >> 6, asf->packet_frag_size, 0); // 0 is illegal
865 if (rsize > asf->packet_size_left) {
868 } else if(asf->packet_frag_size > asf->packet_size_left - rsize){
869 if (asf->packet_frag_size > asf->packet_size_left - rsize + asf->packet_padsize) {
870 av_log(s, AV_LOG_ERROR, "packet_frag_size is invalid (%d-%d)\n", asf->packet_size_left, rsize);
873 int diff = asf->packet_frag_size - (asf->packet_size_left - rsize);
874 asf->packet_size_left += diff;
875 asf->packet_padsize -= diff;
878 //printf("Fragsize %d\n", asf->packet_frag_size);
880 if (rsize > asf->packet_size_left) {
884 asf->packet_frag_size = asf->packet_size_left - rsize;
885 //printf("Using rest %d %d %d\n", asf->packet_frag_size, asf->packet_size_left, rsize);
887 if (asf->packet_replic_size == 1) {
888 asf->packet_multi_size = asf->packet_frag_size;
889 if (asf->packet_multi_size > asf->packet_size_left)
892 asf->packet_size_left -= rsize;
893 //printf("___objsize____ %d %d rs:%d\n", asf->packet_obj_size, asf->packet_frag_offset, rsize);
909 ASFContext *asf = s->priv_data;
915 if (asf->packet_size_left < FRAME_HEADER_SIZE
916 || asf->packet_segments < 1) {
917 //asf->packet_size_left <= asf->packet_padsize) {
918 int ret = asf->packet_size_left + asf->packet_padsize;
919 //printf("PacketLeftSize:%d Pad:%d Pos:%"PRId64"\n", asf->packet_size_left, asf->packet_padsize, avio_tell(pb));
924 asf->packet_pos= avio_tell(pb);
925 if (asf->data_object_size != (uint64_t)-1 &&
926 (asf->packet_pos - asf->data_object_offset >= asf->data_object_size))
930 if (asf->packet_time_start == 0) {
932 asf->packet_segments= 0;
935 if (asf->stream_index < 0
936 || s->streams[asf->stream_index]->discard >= AVDISCARD_ALL
937 || (!asf->packet_key_frame && s->streams[asf->stream_index]->discard >= AVDISCARD_NONKEY)
939 asf->packet_time_start = 0;
941 avio_skip(pb, asf->packet_frag_size);
942 asf->packet_size_left -= asf->packet_frag_size;
943 if(asf->stream_index < 0)
944 av_log(s, AV_LOG_ERROR, "ff asf skip %d (unknown stream)\n", asf->packet_frag_size);
947 asf->asf_st = s->streams[asf->stream_index]->priv_data;
949 asf_st = asf->asf_st;
951 if (asf->packet_replic_size == 1) {
953 asf->packet_frag_timestamp = asf->packet_time_start;
954 asf->packet_time_start += asf->packet_time_delta;
955 asf->packet_obj_size = asf->packet_frag_size = avio_r8(pb);
956 asf->packet_size_left--;
957 asf->packet_multi_size--;
958 if (asf->packet_multi_size < asf->packet_obj_size)
960 asf->packet_time_start = 0;
961 avio_skip(pb, asf->packet_multi_size);
962 asf->packet_size_left -= asf->packet_multi_size;
965 asf->packet_multi_size -= asf->packet_obj_size;
966 //printf("COMPRESS size %d %d %d ms:%d\n", asf->packet_obj_size, asf->packet_frag_timestamp, asf->packet_size_left, asf->packet_multi_size);
968 if( /*asf->packet_frag_size == asf->packet_obj_size*/
969 asf_st->frag_offset + asf->packet_frag_size <= asf_st->pkt.size
970 && asf_st->frag_offset + asf->packet_frag_size > asf->packet_obj_size){
972 asf_st->frag_offset, asf->packet_frag_size,
973 asf->packet_obj_size, asf_st->pkt.size);
974 asf->packet_obj_size= asf_st->pkt.size;
977 if ( asf_st->pkt.size != asf->packet_obj_size
978 || asf_st->frag_offset + asf->packet_frag_size > asf_st->pkt.size) { //FIXME is this condition sufficient?
980 av_log(s, AV_LOG_INFO, "freeing incomplete packet size %d, new %d\n", asf_st->pkt.size, asf->packet_obj_size);
985 av_new_packet(&asf_st->pkt, asf->packet_obj_size);
986 asf_st->seq = asf->packet_seq;
987 asf_st->pkt.dts = asf->packet_frag_timestamp - asf->hdr.preroll;
988 asf_st->pkt.stream_index = asf->stream_index;
990 asf_st->packet_pos= asf->packet_pos;
1003 //asf->stream_index, asf->packet_key_frame, asf_st->pkt.flags & AV_PKT_FLAG_KEY,
1004 //s->streams[asf->stream_index]->codec->codec_type == AVMEDIA_TYPE_AUDIO, asf->packet_obj_size);
1005 if (s->streams[asf->stream_index]->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1006 asf->packet_key_frame = 1;
1007 if (asf->packet_key_frame)
1013 // s->packet_size, asf_st->pkt.size, asf->packet_frag_offset,
1014 // asf_st->frag_offset, asf->packet_frag_size, asf_st->pkt.data);
1015 asf->packet_size_left -= asf->packet_frag_size;
1016 if (asf->packet_size_left < 0)
1019 if( asf->packet_frag_offset >= asf_st->pkt.size
1020 || asf->packet_frag_size > asf_st->pkt.size - asf->packet_frag_offset){
1022 asf->packet_frag_offset, asf->packet_frag_size, asf_st->pkt.size);
1026 ret = avio_read(pb, asf_st->pkt.data + asf->packet_frag_offset,
1027 asf->packet_frag_size);
1028 if (ret != asf->packet_frag_size) {
1029 if (ret < 0 || asf->packet_frag_offset + ret == 0)
1035 memset(asf_st->pkt.data + asf->packet_frag_offset + ret, 0,
1036 asf->packet_frag_size - ret);
1037 ret = asf->packet_frag_size;
1040 av_shrink_packet(&asf_st->pkt, asf->packet_frag_offset + ret);
1043 ff_asfcrypt_dec(s->key, asf_st->pkt.data + asf->packet_frag_offset,
1049 if( s->streams[asf->stream_index]->codec->codec_id == CODEC_ID_MPEG2VIDEO
1092 //printf("packet %d %d\n", asf_st->pkt.size, asf->packet_frag_size);
1105 ASFContext *asf = s->priv_data;
1114 assert(asf->packet_size_left < FRAME_HEADER_SIZE || asf->packet_segments < 1);
1115 asf->packet_time_start = 0;
1124 ASFContext *asf = s->priv_data;
1128 asf->packet_size_left = 0;
1129 asf->packet_segments = 0;
1130 asf->packet_flags = 0;
1131 asf->packet_property = 0;
1132 asf->packet_timestamp = 0;
1133 asf->packet_segsizetype = 0;
1134 asf->packet_segments = 0;
1135 asf->packet_seq = 0;
1136 asf->packet_replic_size = 0;
1137 asf->packet_key_frame = 0;
1138 asf->packet_padsize = 0;
1139 asf->packet_frag_offset = 0;
1140 asf->packet_frag_size = 0;
1141 asf->packet_frag_timestamp = 0;
1142 asf->packet_multi_size = 0;
1143 asf->packet_obj_size = 0;
1144 asf->packet_time_delta = 0;
1145 asf->packet_time_start = 0;
1153 asf->asf_st= NULL;
1217 ASFContext *asf = s->priv_data;
1221 avio_seek(s->pb, asf->data_object_offset + asf->data_object_size, SEEK_SET);
1250 int64_t index_pts= FFMAX(av_rescale(itime, i, 10000) - asf->hdr.preroll, 0);
1258 asf->index_read= 1;
1265 ASFContext *asf = s->priv_data;
1282 if (!asf->index_read)
1285 if((asf->index_read && st->index_entries)){
1306 .name = "asf",