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2009-02-10crossfade: don't use isCurrentAudioFormat()Max Kellermann1-2/+3
The crossfading code shouldn't depend on the audio output code. Pass the current audio format to cross_fade_calc() and let it compare directly, instead of using isCurrentAudioFormat().
2009-01-07pcm_utils: moved code to pcm_mix.cMax Kellermann1-1/+1
Moved the software mixing code (used by crossfading) to a separate library.
2008-11-02crossfade: copy tagMax Kellermann1-0/+5
If the source chunk has a tag, merge it into the destination chunk. The source chunk gets deleted after that, and this is our last chance to grab the tag.
2008-11-02music_pipe: no CamelCaseMax Kellermann1-8/+8
Rename all variables and struct members.
2008-11-02decoder: replaced music_pipe.audioFormat with dc.out_audio_formatMax Kellermann1-0/+1
.. and rename dc.audioFormat to dc.in_audio_format. The music pipe does not need to know the audio format, and its former "audioFormat" property indicated the format of the most recently added chunk, which might be confusing when you are reading the oldest chunks.
2008-11-02music_pipe: renamed struct output_buffer to struct music_pipeMax Kellermann1-1/+2
.. and rename ob_chunk to struct music_chunk.
2008-10-10audio_format: renamed sampleRate to sample_rateMax Kellermann1-1/+1
The last bit of CamelCase in audio_format.h. Additionally, rename a bunch of local variables.
2008-10-08don't include os_compat.hMax Kellermann1-0/+3
When there are standardized headers, use these instead of the bloated os_compat.h.
2008-09-29pcm_utils: pass only one buffer size to pcm_mix()Max Kellermann1-3/+17
pcm_mix() might overflow the destination buffer if it is smaller than the second buffer. This is ok because the physical buffer size passed by cross_fade_apply() is always big enough, but clutters pcm_mix() with complicated length checks and contains a dangerous buffer overflow pitfall. Simplify pcm_mix()/pcm_add() and pass only the smaller buffer size; let cross_fade_apply() do the memcpy().
2008-09-07audio_format: converted typedef AudioFormat to struct audio_formatMax Kellermann1-2/+2
Get rid of CamelCase, and don't use a typedef, so we can forward-declare it, and unclutter the include dependencies.
2008-08-26moved code to crossfade.cMax Kellermann1-0/+62
decode.c should be a lot smaller; start by moving all code which handles cross-fading to crossfade.c. Also includes camelCase conversion.