May 2017
Beginner to intermediate
470 pages
10h 49m
English
Content preview from Android System Programming
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Goldfish audio device
The goldfish audio device implements a virtual sound card with the following properties:
- Stereo output at fixed 44.1 kHz frequency, using signed 16-bit samples. This is mandatory.
- Mono input at fixed 8 kHz frequency, using signed 16-bit samples. This is optional.
The following table defines goldfish audio device registers:
|
Offset |
Name |
Abstract |
|
0x00 |
INT_STATUS |
|
|
0x04 |
INT_ENABLE |
|
|
0x08 |
SET_WRITE_BUFFER_1 |
W: Set address of first kernel output buffer. |
|
0x0c |
SET_WRITE_BUFFER_2 |
W: Set address of second kernel output buffer. |
|
0x10 |
WRITE_BUFFER_1 |
W: Send first kernel buffer samples to output. |
|
0x14 |
WRITE_BUFFER_2 |
W: Send second kernel buffer samples to output. |
|
0x18 |
READ_SUPPORTED ... |
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.