Displaying 4 results from an estimated 4 matches for "sopusdec".
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opusdec
2016 Jan 07
2
Issue with decoding 8-bit PCM data
...back duration.
For both 8 and 16 bit data I have used the following parameters
ui32SamplingRate = 8000
ui32Channel = 1
FRAME_SIZE_IN_MS is 20
MAX_PACKET is 1500
ui8ScaleFactor = 1 for 8-bit and 2 for 16-bit data
ui32BitsPerSample = 8 for 8-bit data and 16 for 16-bit data
The code is as follows
sOpusDec = opus_decoder_create(ui32SamplingRate, ui32Channel, &i32error);
if (i32error != OPUS_OK)
{
return((int)i32error);
}
opus_decoder_ctl(sOpusDec, OPUS_SET_LSB_DEPTH(ui32BitsPerSample));
ui32SizeOfWrBuf =
(ui32SamplingRate*ui32Channel*FRAME_SIZE_IN_MS*ui8ScaleFactor)/1000;
opi16_out =
(in...
2016 Jan 07
3
Issue with decoding 8-bit PCM data
...In opusenc.c which API does the extending the 8-bit to 16-bit?
2. If that is the case then how will 24 bit PCM sample work?
Regards
Amit
On Thu, Jan 7, 2016 at 12:21 PM, Ralph Giles <giles at thaumas.net> wrote:
> On 07/01/16 10:04 AM, Amit Ashara wrote:
>
> > opus_decoder_ctl(sOpusDec, OPUS_SET_LSB_DEPTH(ui32BitsPerSample));
>
> OPUS_SET_LSB_DEPTH only affects the encoder. If you check the return
> value here you should get OPUS_UNIMPLEMENTED.
>
> > output_samples = opus_decode(sOpusDec, (const unsigned char
> > *)&pcRdBuf[0], len, opi16_out, (ui32Siz...
2016 Jan 07
0
Issue with decoding 8-bit PCM data
On 07/01/16 10:04 AM, Amit Ashara wrote:
> opus_decoder_ctl(sOpusDec, OPUS_SET_LSB_DEPTH(ui32BitsPerSample));
OPUS_SET_LSB_DEPTH only affects the encoder. If you check the return
value here you should get OPUS_UNIMPLEMENTED.
> output_samples = opus_decode(sOpusDec, (const unsigned char
> *)&pcRdBuf[0], len, opi16_out, (ui32SizeOfWrBuf/ui8ScaleFactor), 0)...
2016 Jan 09
0
Issue with decoding 8-bit PCM data
...sample work?
>>>
>>> Regards
>>> Amit
>>>
>>> On Thu, Jan 7, 2016 at 12:21 PM, Ralph Giles <giles at thaumas.net> wrote:
>>>
>>>> On 07/01/16 10:04 AM, Amit Ashara wrote:
>>>>
>>>> > opus_decoder_ctl(sOpusDec, OPUS_SET_LSB_DEPTH(ui32BitsPerSample));
>>>>
>>>> OPUS_SET_LSB_DEPTH only affects the encoder. If you check the return
>>>> value here you should get OPUS_UNIMPLEMENTED.
>>>>
>>>> > output_samples = opus_decode(sOpusDec, (const unsigne...