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CNxWM::CMediaPlayer: Correct handling of increments to sub-sampling rate

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This commit is contained in:
Gregory Nutt 2014-07-27 19:31:52 -06:00
parent af3ba4fb9a
commit 606d431206
2 changed files with 23 additions and 22 deletions
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2
nxwm/include/cmediaplayer.hxx
View File

@ -160,7 +160,7 @@ namespace NxWM
uint8_t m_level; /**< Current volume level, range 0-100 */ uint8_t m_level; /**< Current volume level, range 0-100 */
#endif #endif
#ifndef CONFIG_AUDIO_EXCLUDE_FFORWARD #ifndef CONFIG_AUDIO_EXCLUDE_FFORWARD
uint8_t m_subSample; /**< Current FFFORWARD subsampling */ uint8_t m_subSample; /**< Current FFFORWARD subsampling index */
#endif #endif
/** /**

43
nxwm/src/cmediaplayer.cxx
View File

@ -76,6 +76,8 @@
# endif # endif
#endif #endif
#define AUDIO_NSUBSAMPLES 4
/******************************************************************************************** /********************************************************************************************
* Private Types * Private Types
********************************************************************************************/ ********************************************************************************************/
@ -84,6 +86,11 @@
* Private Data * Private Data
********************************************************************************************/ ********************************************************************************************/
static const uint8_t g_motionSteps[AUDIO_NSUBSAMPLES] =
{
AUDIO_SUBSAMPLE_2X, AUDIO_SUBSAMPLE_4X, AUDIO_SUBSAMPLE_8X, AUDIO_SUBSAMPLE_16X
};
/******************************************************************************************** /********************************************************************************************
* Private Functions * Private Functions
********************************************************************************************/ ********************************************************************************************/
@ -138,7 +145,7 @@ CMediaPlayer::CMediaPlayer(CTaskbar *taskbar, CApplicationWindow *window)
m_level = 0; m_level = 0;
#endif #endif
#ifndef CONFIG_AUDIO_EXCLUDE_FFORWARD #ifndef CONFIG_AUDIO_EXCLUDE_FFORWARD
m_subSample = AUDIO_SUBSAMPLE_NONE; m_subSample = 0;
#endif #endif
m_fileReady = false; m_fileReady = false;
@ -1510,16 +1517,13 @@ void CMediaPlayer::handleActionEvent(const NXWidgets::CWidgetEventArgs &e)
// Yes.. then just increase rewind rate (by specifying a // Yes.. then just increase rewind rate (by specifying a
// higher level of sub-sampling) // higher level of sub-sampling)
if (m_subSample >= AUDIO_SUBSAMPLE_MAX)
{
m_subSample = AUDIO_SUBSAMPLE_MIN;
}
else
{
m_subSample++; m_subSample++;
if (m_subSample >= AUDIO_NSUBSAMPLES)
{
m_subSample = 0;
} }
int ret = nxplayer_rewind(m_player, m_subSample); int ret = nxplayer_rewind(m_player, g_motionSteps[m_subSample]);
if (ret < 0) if (ret < 0)
{ {
dbg("ERROR: nxplayer_rewind failed: %d\n", ret); dbg("ERROR: nxplayer_rewind failed: %d\n", ret);
@ -1536,9 +1540,9 @@ void CMediaPlayer::handleActionEvent(const NXWidgets::CWidgetEventArgs &e)
{ {
// Start rewinding at the minimum rate // Start rewinding at the minimum rate
m_subSample = AUDIO_SUBSAMPLE_MIN; m_subSample = 0;
int ret = nxplayer_rewind(m_player, m_subSample); int ret = nxplayer_rewind(m_player, g_motionSteps[m_subSample]);
if (ret < 0) if (ret < 0)
{ {
dbg("ERROR: nxplayer_rewind failed: %d\n", ret); dbg("ERROR: nxplayer_rewind failed: %d\n", ret);
@ -1563,16 +1567,13 @@ void CMediaPlayer::handleActionEvent(const NXWidgets::CWidgetEventArgs &e)
// Yes.. then just increase fast forward rate (by specifying a // Yes.. then just increase fast forward rate (by specifying a
// level level of sub-sampling) // level level of sub-sampling)
if (m_subSample >= AUDIO_SUBSAMPLE_MAX)
{
m_subSample = AUDIO_SUBSAMPLE_MIN;
}
else
{
m_subSample++; m_subSample++;
if (m_subSample >= AUDIO_NSUBSAMPLES)
{
m_subSample = 0;
} }
int ret = nxplayer_fforward(m_player, m_subSample); int ret = nxplayer_fforward(m_player, g_motionSteps[m_subSample]);
if (ret < 0) if (ret < 0)
{ {
dbg("ERROR: nxplayer_fforward failed: %d\n", ret); dbg("ERROR: nxplayer_fforward failed: %d\n", ret);
@ -1585,9 +1586,9 @@ void CMediaPlayer::handleActionEvent(const NXWidgets::CWidgetEventArgs &e)
{ {
// Start fast forwarding at the minimum rate // Start fast forwarding at the minimum rate
m_subSample = AUDIO_SUBSAMPLE_MIN; m_subSample = 0;
int ret = nxplayer_fforward(m_player, m_subSample); int ret = nxplayer_fforward(m_player, g_motionSteps[m_subSample]);
if (ret < 0) if (ret < 0)
{ {
dbg("ERROR: nxplayer_fforward failed: %d\n", ret); dbg("ERROR: nxplayer_fforward failed: %d\n", ret);
@ -1684,7 +1685,7 @@ void CMediaPlayer::handleReleaseEvent(const NXWidgets::CWidgetEventArgs &e)
// In these states, stop the fast motion action and return to the // In these states, stop the fast motion action and return to the
// previous state // previous state
m_subSample = AUDIO_SUBSAMPLE_NONE; m_subSample = 0;
int ret = nxplayer_cancel_motion(m_player, m_prevState == MPLAYER_PAUSED); int ret = nxplayer_cancel_motion(m_player, m_prevState == MPLAYER_PAUSED);
if (ret < 0) if (ret < 0)
@ -1737,7 +1738,7 @@ void CMediaPlayer::handleReleaseEvent(const NXWidgets::CWidgetEventArgs &e)
// Otherwise, we must be fast forwarding or rewinding. In these // Otherwise, we must be fast forwarding or rewinding. In these
// cases, stop the action and return to the previous state // cases, stop the action and return to the previous state
m_subSample = AUDIO_SUBSAMPLE_NONE; m_subSample = 0;
int ret = nxplayer_cancel_motion(m_player, m_prevState == MPLAYER_PAUSED); int ret = nxplayer_cancel_motion(m_player, m_prevState == MPLAYER_PAUSED);
if (ret < 0) if (ret < 0)