sysmocom/asterisk
11
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Merge "audiohook: Read the correct number of samples based on audiohook format."

Browse source
This commit is contained in:
Mark Michelson 2015-07-22 13:18:59 -05:00 committed by Gerrit Code Review
commit 43173f073c
1 changed files with 10 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
main/audiohook.c
View file

@ -377,6 +377,16 @@ static struct ast_frame *audiohook_read_frame_helper(struct ast_audiohook *audio
audiohook_set_internal_rate(audiohook, ast_format_get_sample_rate(format), 1);
}
/* If the sample rate of the requested format differs from that of the underlying audiohook
* sample rate determine how many samples we actually need to get from the audiohook. This
* needs to occur as the signed linear factory stores them at the rate of the audiohook.
* We do this by determining the duration of audio they've requested and then determining
* how many samples that would be in the audiohook format.
*/
if (ast_format_get_sample_rate(format) != audiohook->hook_internal_samp_rate) {
samples = (audiohook->hook_internal_samp_rate / 1000) * (samples / (ast_format_get_sample_rate(format) / 1000));
}
if (!(read_frame = (direction == AST_AUDIOHOOK_DIRECTION_BOTH ?
audiohook_read_frame_both(audiohook, samples, read_reference, write_reference) :
audiohook_read_frame_single(audiohook, samples, direction)))) {