t k / Mbed 2 deprecated MovPlayer

This program plays QuickTime movies on GR-Peach

Dependencies:   AsciiFont GR-PEACH_video GraphicsFramework LCD_shield_config R_BSP TLV320_RBSP mbed-rtos mbed

Requirements

  • GR-Peach
  • GR-Peach Audio Camera Shield or I²S compatible audio DAC
  • GR-Peach LCD Shield
  • USB memory stick

How to play movie files

  • Encode movie files

encode movies with ffmpeg

$ ffmpeg -i <input -ar 44100 -acodec pcm_s16le -s 480x270 -vcodec mjpeg -q:v 3 -movflags faststart -threads 4 -vf fps=30 <output>.mov
  • Copy movies to the root directory of USB memory
  • Build and upload this program
  • Run it

MovPlayer.cpp@1:3e638b9e91cd, 2017-03-12 (annotated)

Committer:
mtkrtk
Date:
Sun Mar 12 02:01:46 2017 +0000
Revision:
1:3e638b9e91cd
Parent:
0:d0f130e27d32 
fixed lcd contrast pin

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mtkrtk 0:d0f130e27d32 1 #include "MovPlayer.hpp"
mtkrtk 0:d0f130e27d32 2
mtkrtk 0:d0f130e27d32 3 MovPlayer::VideoBuffer MovPlayer::videoBuf[];
mtkrtk 0:d0f130e27d32 4 MovPlayer::AudioBuffer MovPlayer::audioBuf[];
mtkrtk 0:d0f130e27d32 5 unsigned char MovPlayer::audioThreadStack[];
mtkrtk 0:d0f130e27d32 6 MovPlayer MovPlayer::singleton;
mtkrtk 0:d0f130e27d32 7
mtkrtk 0:d0f130e27d32 8 static void audioCallback(void MBED_UNUSED *p_data, int32_t result, void MBED_UNUSED *p_app_data) {
mtkrtk 0:d0f130e27d32 9 if (result < 0) {
mtkrtk 0:d0f130e27d32 10 printf("audio write callback error %ld\n", result);
mtkrtk 0:d0f130e27d32 11 }
mtkrtk 0:d0f130e27d32 12 // pc.printf("f");
mtkrtk 0:d0f130e27d32 13 }
mtkrtk 0:d0f130e27d32 14
mtkrtk 0:d0f130e27d32 15 MovPlayer::MovPlayer() : audioThread(osPriorityNormal, DEFAULT_STACK_SIZE, audioThreadStack), frameTimer(mbed::Callback<void ()>(this, &MovPlayer::frameTimerCallback), osTimerPeriodic), frameSemaphore(0), mov(nullptr)
mtkrtk 0:d0f130e27d32 16 {
mtkrtk 0:d0f130e27d32 17 }
mtkrtk 0:d0f130e27d32 18
mtkrtk 0:d0f130e27d32 19 void MovPlayer::frameTimerCallback()
mtkrtk 0:d0f130e27d32 20 {
mtkrtk 0:d0f130e27d32 21 frameSemaphore.release();
mtkrtk 0:d0f130e27d32 22 }
mtkrtk 0:d0f130e27d32 23
mtkrtk 0:d0f130e27d32 24 void MovPlayer::audioProcessor()
mtkrtk 0:d0f130e27d32 25 {
mtkrtk 0:d0f130e27d32 26 VideoBuffer *videoP = videoBuf;
mtkrtk 0:d0f130e27d32 27 AudioBuffer *audioP = audioBuf;
mtkrtk 0:d0f130e27d32 28 rbsp_data_conf_t audioConf = {&audioCallback, NULL};
mtkrtk 0:d0f130e27d32 29 frameTimer.start(1e3 / 30 + 1);
mtkrtk 0:d0f130e27d32 30 int index = BufferLength;
mtkrtk 0:d0f130e27d32 31 while (1) {
mtkrtk 0:d0f130e27d32 32 do {
mtkrtk 0:d0f130e27d32 33 if (mov->read(videoP->buf, audioP->buf, &audioP->size)) {
mtkrtk 0:d0f130e27d32 34 videoQueue.put(videoP);
mtkrtk 0:d0f130e27d32 35 output(audioP->buf, audioP->size, &audioConf);
mtkrtk 0:d0f130e27d32 36 ++videoP;
mtkrtk 0:d0f130e27d32 37 ++audioP;
mtkrtk 0:d0f130e27d32 38 } else {
mtkrtk 0:d0f130e27d32 39 queueTimeout = 0;
mtkrtk 0:d0f130e27d32 40 __ISB();
mtkrtk 0:d0f130e27d32 41 __DSB();
mtkrtk 0:d0f130e27d32 42 rtos::Thread::wait(osWaitForever);
mtkrtk 0:d0f130e27d32 43 }
mtkrtk 0:d0f130e27d32 44 } while (--index);
mtkrtk 0:d0f130e27d32 45 videoP = videoBuf;
mtkrtk 0:d0f130e27d32 46 audioP = audioBuf;
mtkrtk 0:d0f130e27d32 47 index = BufferLength;
mtkrtk 0:d0f130e27d32 48 }
mtkrtk 0:d0f130e27d32 49 }
mtkrtk 0:d0f130e27d32 50
mtkrtk 0:d0f130e27d32 51 void MovPlayer::play(MovFile *_mov, LCD *lcd, AudioCallback callback)
mtkrtk 0:d0f130e27d32 52 {
mtkrtk 0:d0f130e27d32 53 mov = _mov;
mtkrtk 0:d0f130e27d32 54 output = callback;
mtkrtk 0:d0f130e27d32 55 queueTimeout = osWaitForever;
mtkrtk 0:d0f130e27d32 56 audioThread.start(mbed::Callback<void ()>(this, &MovPlayer::audioProcessor));
mtkrtk 0:d0f130e27d32 57 while (1) {
mtkrtk 0:d0f130e27d32 58 osEvent event = videoQueue.get(queueTimeout);
mtkrtk 0:d0f130e27d32 59 if (event.status == osEventMessage) {
mtkrtk 0:d0f130e27d32 60 VideoBuffer *buf = reinterpret_cast<VideoBuffer *>(event.value.p);
mtkrtk 0:d0f130e27d32 61 if (! (buf->buf[0] == 0xFF && buf->buf[1] == 0xD8)) {
mtkrtk 0:d0f130e27d32 62 printf("m");
mtkrtk 0:d0f130e27d32 63 }
mtkrtk 0:d0f130e27d32 64 frameSemaphore.wait();
mtkrtk 0:d0f130e27d32 65 lcd->drawImage(reinterpret_cast<graphics_image_t *>(buf->buf));
mtkrtk 0:d0f130e27d32 66 } else {
mtkrtk 0:d0f130e27d32 67 audioThread.terminate();
mtkrtk 0:d0f130e27d32 68 frameTimer.stop();
mtkrtk 0:d0f130e27d32 69 while (frameSemaphore.wait(0) > 0) ;
mtkrtk 0:d0f130e27d32 70 return;
mtkrtk 0:d0f130e27d32 71 }
mtkrtk 0:d0f130e27d32 72 }
mtkrtk 0:d0f130e27d32 73 }
mtkrtk 0:d0f130e27d32 74