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mpegplayer: Make playback engine fully seekable and frame-accurate and split into logical parts. Be sure to have all current features work. Actual UI for seeking will be added soon. Recommended GOP size is about 15-30 frames depending on target or seeking can be slow with really long GOPs (nature of MPEG video). More refined encoding recommendations for a particular player should be posted soon.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15977 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2007-12-29 19:46:35 +00:00
parent 1d0f6b90ff
commit a222f27c4a
34 changed files with 7850 additions and 2764 deletions
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46
apps/plugins/mpegplayer/pcm_output.h Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* PCM output buffer declarations
*
* Copyright (c) 2007 Michael Sevakis
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef PCM_OUTPUT_H
#define PCM_OUTPUT_H
struct pcm_frame_header /* Header added to pcm data every time a decoded
audio frame is sent out */
{
uint32_t size; /* size of this frame - including header */
uint32_t time; /* timestamp for this frame in audio ticks */
unsigned char data[]; /* open array of audio data */
} ALIGNED_ATTR(4);
bool pcm_output_init(void);
void pcm_output_exit(void);
void pcm_output_flush(void);
void pcm_output_set_clock(uint32_t time);
uint32_t pcm_output_get_clock(void);
uint32_t pcm_output_get_ticks(uint32_t *start);
void pcm_output_play_pause(bool play);
void pcm_output_stop(void);
void pcm_output_drain(void);
struct pcm_frame_header * pcm_output_get_buffer(void);
void pcm_output_add_data(void);
ssize_t pcm_output_used(void);
ssize_t pcm_output_free(void);
#endif /* PCM_OUTPUT_H */