n5ac/smartsdr-dsp
1
0
Fork 0
mirror of https://github.com/n5ac/smartsdr-dsp.git synced 2026-04-21 06:03:49 +00:00
Code Issues Projects Releases Packages Wiki Activity

Fix scaling issues and decode_out indexing. Audio encode/decode now completely functional

Browse source
This commit is contained in:
Ed Gonzalez 2015-06-01 18:10:34 -05:00
parent 011100778c
commit 3c092ad57d
2 changed files with 13 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

7
DSP_API/ThumbDV/thumbDV.c
View file

@ -443,7 +443,12 @@ int thumbDV_decode(int serial_fd, unsigned char * packet_in, short * speech_out,
if ( desc != NULL ) {
samples_in_speech_packet = ((unsigned char * )desc->buf_ptr)[5];
memcpy(speech_out, desc->buf_ptr + AMBE3000_HEADER_LEN + AMBE3000_SPEECHD_HEADER_LEN - 1, sizeof(uint16) * samples_in_speech_packet);
unsigned char * idx = &(((unsigned char * )desc->buf_ptr)[6]);
uint32 i = 0;
for ( i = 0; i < samples_in_speech_packet; i++, idx += 2) {
speech_out[i] = ( idx[0] << 8 ) + idx[1];
}
samples_returned = samples_in_speech_packet;
if ( samples_returned != 160 ) output("Rate Mismatch expected %d got %d\n", 160, samples_returned);
safe_free(desc);