[Libav-user] Encoding from file

Tariqul Islam tariqul.isha at gmail.com
Tue Jul 30 14:38:21 CEST 2013


Hi Mr. Tushar

Decoding part is complete, fault was not removing header part from raw
data. Audacity is giving clear sound for raw data of any mp2 file.

But still working with encoding :(

Regards,
Tariqul Islam


On Tue, Jul 30, 2013 at 5:17 PM, Tariqul Islam <tariqul.isha at gmail.com>wrote:

> Hi Tushar Paithankar
>
> Used mono clip(produced by audacity) for decoding purpose and again
> getting noise. My code is exact of the decoding_encoding.c except the main
> function. Can you provide me any tutorial?
>
> Regards
> Tariqul Islam
>
>
> On Mon, Jul 29, 2013 at 4:19 PM, Tushar Paithankar <p.tushar99 at gmail.com>wrote:
>
>>
>>
>> On Sunday, 28 July 2013, Tariqul Islam <tariqul.isha at gmail.com> wrote:
>> > Hello,
>> > I am new to ffmpeg coding. In ffmpeg source code, encoding decoding
>> example is given in encoding_decoding.c. In this file while working with
>> audio, a raw audio is created, then encoded, then decoded into a c file.
>> What i am trying to do is to read from that C file, encode and thus
>> reconstruct the previous audio file. But i am getting noise.
>> >
>> > Following Mr. Tusher's advice, i used exact code of encoding_decoding.c
>> and decoded a mp2 file (Could not answer to that thread because subscribed
>> after he answered. Sorry Mr. Tusher). But playing that decoded file, i am
>> getting previous sound with heavy noise. Can anybody tell me what is the
>> reason of it? To decode an audio file (mp2), is there any tutorial that i
>> can follow???
>> > Regrads,
>> > Tariqul islam
>> >
>>
>>
>> Hi tariqul islam,
>>
>> You first try to use mono clip for your encoding and decoding purpose,
>>  as per your description I thnk your making mistake while reading data from
>> the buffers.  In example they hv given for single channel mono audio. Plz
>> let me know.
>>
>>
>>
>> Regards
>> Tushar
>>
>> --
>> Sent from blackberry reliance
>>
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>>
>>
>
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