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Move encoder CPU boost control to the core. Allow CPU to sleep a bit when PCM buffer is empty and save some power. Codec API becomes incompatible so full updates! :)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15854 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2007-11-30 05:16:56 +00:00
parent b0dd9eb5bc
commit 5323fe996b
8 changed files with 20 additions and 165 deletions
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31
apps/codecs/wav_enc.c
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@ -291,9 +291,6 @@ static bool init_encoder(void)
ci->enc_set_parameters == NULL ||
ci->enc_get_chunk == NULL ||
ci->enc_finish_chunk == NULL ||
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
ci->enc_pcm_buf_near_empty == NULL ||
#endif
ci->enc_get_pcm_data == NULL )
return false;
@ -321,10 +318,6 @@ static bool init_encoder(void)
/* main codec entry point */
enum codec_status codec_main(void)
{
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
bool cpu_boosted;
#endif
if (!init_encoder())
{
ci->enc_codec_loaded = -1;
@ -334,11 +327,6 @@ enum codec_status codec_main(void)
/* main application waits for this flag during encoder loading */
ci->enc_codec_loaded = 1;
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
ci->cpu_boost(true);
cpu_boosted = true;
#endif
/* main encoding loop */
while(!ci->stop_encoder)
{
@ -351,13 +339,6 @@ enum codec_status codec_main(void)
if (ci->stop_encoder)
break;
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
if (!cpu_boosted && ci->enc_pcm_buf_near_empty() == 0)
{
ci->cpu_boost(true);
cpu_boosted = true;
}
#endif
chunk = ci->enc_get_chunk();
chunk->enc_size = enc_size;
chunk->num_pcm = PCM_SAMP_PER_CHUNK;
@ -369,21 +350,9 @@ enum codec_status codec_main(void)
ci->yield();
}
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
if (cpu_boosted && ci->enc_pcm_buf_near_empty() != 0)
{
ci->cpu_boost(false);
cpu_boosted = false;
}
#endif
ci->yield();
}
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
if (cpu_boosted) /* set initial boost state */
ci->cpu_boost(false);
#endif
/* reset parameters to initial state */
ci->enc_set_parameters(NULL);