186         XMVAudioPacket *packet = &xmv->audio[audio_track];  in xmv_read_header()  local
188         packet->compression     = avio_rl16(pb);  in xmv_read_header()
189         packet->channels        = avio_rl16(pb);  in xmv_read_header()
190         packet->sample_rate     = avio_rl32(pb);  in xmv_read_header()
191         packet->bits_per_sample = avio_rl16(pb);  in xmv_read_header()
192         packet->flags           = avio_rl16(pb);  in xmv_read_header()
194         packet->bit_rate      = (uint64_t)packet->bits_per_sample *  in xmv_read_header()
195                                 packet->sample_rate *  in xmv_read_header()
196                                 packet->channels;  in xmv_read_header()
197         packet->block_align   = XMV_BLOCK_ALIGN_SIZE * packet->channels;  in xmv_read_header()
198         packet->block_samples = 64;  in xmv_read_header()
199         packet->codec_id      = ff_wav_codec_get_id(packet->compression,  in xmv_read_header()
200                                                     packet->bits_per_sample);  in xmv_read_header()
202         packet->stream_index = -1;  in xmv_read_header()
204         packet->frame_size  = 0;  in xmv_read_header()
205         packet->block_count = 0;  in xmv_read_header()
209         if (packet->flags & XMV_AUDIO_ADPCM51)  in xmv_read_header()
211                                       "(0x%04X)\n", packet->flags);  in xmv_read_header()
213         if (!packet->channels || packet->sample_rate <= 0 ||  in xmv_read_header()
214              packet->channels >= UINT16_MAX / XMV_BLOCK_ALIGN_SIZE) {  in xmv_read_header()
330         XMVAudioPacket *packet = &xmv->audio[audio_track];  in xmv_process_packet_header()  local
335         if (!packet->created) {  in xmv_process_packet_header()
341             ast->codecpar->codec_id              = packet->codec_id;  in xmv_process_packet_header()
342             ast->codecpar->codec_tag             = packet->compression;  in xmv_process_packet_header()
343             ast->codecpar->channels              = packet->channels;  in xmv_process_packet_header()
344             ast->codecpar->sample_rate           = packet->sample_rate;  in xmv_process_packet_header()
345             ast->codecpar->bits_per_coded_sample = packet->bits_per_sample;  in xmv_process_packet_header()
346             ast->codecpar->bit_rate              = packet->bit_rate;  in xmv_process_packet_header()
347             ast->codecpar->block_align           = 36 * packet->channels;  in xmv_process_packet_header()
349             avpriv_set_pts_info(ast, 32, packet->block_samples, packet->sample_rate);  in xmv_process_packet_header()
351             packet->stream_index = ast->index;  in xmv_process_packet_header()
355             packet->created = 1;  in xmv_process_packet_header()
358         packet->data_size = AV_RL32(data) & 0x007FFFFF;  in xmv_process_packet_header()
359         if ((packet->data_size == 0) && (audio_track != 0))  in xmv_process_packet_header()
365             packet->data_size = xmv->audio[audio_track - 1].data_size;  in xmv_process_packet_header()
368         packet->frame_size  = packet->data_size  / xmv->video.frame_count;  in xmv_process_packet_header()
369         packet->frame_size -= packet->frame_size % packet->block_align;  in xmv_process_packet_header()