static void put_frame( AVFormatContext *s, ASFStream *stream, AVStream *avst, int timestamp, const uint8_t *buf, int m_obj_size, int flags ) { ASFContext *asf = s->priv_data; int m_obj_offset, payload_len, frag_len1; m_obj_offset = 0; while (m_obj_offset < m_obj_size) { payload_len = m_obj_size - m_obj_offset; if (asf->packet_timestamp_start == -1) { asf->multi_payloads_present = (payload_len < MULTI_PAYLOAD_CONSTANT); asf->packet_size_left = PACKET_SIZE; if (asf->multi_payloads_present){ frag_len1 = MULTI_PAYLOAD_CONSTANT - 1; } else { frag_len1 = SINGLE_PAYLOAD_DATA_LENGTH; } asf->packet_timestamp_start = timestamp; } else { // multi payloads frag_len1 = asf->packet_size_left - PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS - PACKET_HEADER_MIN_SIZE - 1; asf->packet_timestamp_start = timestamp; if(frag_len1 < payload_len && avst->codec->codec_type == CODEC_TYPE_AUDIO){ flush_packet(s); continue; } } if (frag_len1 > 0) { if (payload_len > frag_len1) payload_len = frag_len1; else if (payload_len == (frag_len1 - 1)) payload_len = frag_len1 - 2; //additional byte need to put padding length put_payload_header(s, stream, timestamp+PREROLL_TIME, m_obj_size, m_obj_offset, payload_len, flags); put_buffer(&asf->pb, buf, payload_len); if (asf->multi_payloads_present) asf->packet_size_left -= (payload_len + PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS); else asf->packet_size_left -= (payload_len + PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD); asf->packet_timestamp_end = timestamp; asf->packet_nb_payloads++; } else { payload_len = 0; } m_obj_offset += payload_len; buf += payload_len; if (!asf->multi_payloads_present) flush_packet(s); else if (asf->packet_size_left <= (PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS + PACKET_HEADER_MIN_SIZE + 1)) flush_packet(s); } stream->seq++; }