static int64_t
video_seek(rtmp_t *r, media_pipe_t *mp, media_buf_t **mbp,
int64_t pos, int backward, const char *txt)
{
if(pos < 0)
pos = 0;
TRACE(TRACE_DEBUG, "Video", "seek %s to %.2f", txt, pos / 1000000.0);
RTMP_SendSeek(r->r, pos / 1000);
r->seekpos = pos;
mp->mp_video.mq_seektarget = pos;
mp->mp_audio.mq_seektarget = pos;
mp_flush(mp, 0);
if(mbp != NULL && *mbp != NULL) {
media_buf_free(*mbp);
*mbp = NULL;
}
prop_set_float(prop_create(mp->mp_prop_root, "seektime"), pos / 1000000.0);
r->lastsubpts = AV_NOPTS_VALUE;
return pos;
}
static void
seekflush(media_pipe_t *mp, media_buf_t **mbp)
{
mp_flush(mp, 0);
if(*mbp != NULL && *mbp != MB_SPECIAL_EOF)
media_buf_free(*mbp);
*mbp = NULL;
}
static void
seekflush(media_pipe_t *mp, media_buf_t **mbp)
{
mp_flush(mp, 0);
if(*mbp != NULL) {
media_buf_free(*mbp);
*mbp = NULL;
}
}
event_t *
be_file_playaudio(const char *url, media_pipe_t *mp,
char *errbuf, size_t errlen, int hold, const char *mimetype)
{
AVFormatContext *fctx;
AVIOContext *avio;
AVCodecContext *ctx;
AVPacket pkt;
media_format_t *fw;
int i, r, si;
media_buf_t *mb = NULL;
media_queue_t *mq;
event_ts_t *ets;
int64_t ts, pts4seek = 0;
media_codec_t *cw;
event_t *e;
int lost_focus = 0;
mp_set_playstatus_by_hold(mp, hold, NULL);
if((avio = fa_libav_open(url, 32768, errbuf, errlen, 0)) == NULL)
return NULL;
// First we need to check for a few other formats
#if ENABLE_LIBOPENSPC || ENABLE_LIBGME
uint8_t pb[128];
size_t psiz;
psiz = avio_read(avio, pb, sizeof(pb));
if(psiz < sizeof(pb)) {
fa_libav_close(avio);
snprintf(errbuf, errlen, "Fill too small");
return NULL;
}
#if ENABLE_LIBGME
if(*gme_identify_header(pb))
return fa_gme_playfile(mp, avio, errbuf, errlen, hold);
#endif
#if ENABLE_LIBOPENSPC
if(!memcmp(pb, "SNES-SPC700 Sound File Data", 27))
return openspc_play(mp, avio, errbuf, errlen);
#endif
#endif
if((fctx = fa_libav_open_format(avio, url,
errbuf, errlen, mimetype)) == NULL) {
fa_libav_close(avio);
return NULL;
}
TRACE(TRACE_DEBUG, "Audio", "Starting playback of %s", url);
mp_configure(mp, MP_PLAY_CAPS_SEEK | MP_PLAY_CAPS_PAUSE,
MP_BUFFER_SHALLOW);
mp->mp_audio.mq_stream = -1;
mp->mp_video.mq_stream = -1;
fw = media_format_create(fctx);
cw = NULL;
for(i = 0; i < fctx->nb_streams; i++) {
ctx = fctx->streams[i]->codec;
if(ctx->codec_type != AVMEDIA_TYPE_AUDIO)
continue;
cw = media_codec_create(ctx->codec_id, 0, fw, ctx, NULL, mp);
mp->mp_audio.mq_stream = i;
break;
}
if(cw == NULL) {
media_format_deref(fw);
snprintf(errbuf, errlen, "Unable to open codec");
return NULL;
}
mp_become_primary(mp);
mq = &mp->mp_audio;
while(1) {
/**
* Need to fetch a new packet ?
*/
if(mb == NULL) {
r = av_read_frame(fctx, &pkt);
if(r == AVERROR(EAGAIN))
continue;
if(r == AVERROR_EOF) {
mb = MB_SPECIAL_EOF;
continue;
}
if(r != 0) {
char msg[100];
fa_ffmpeg_error_to_txt(r, msg, sizeof(msg));
TRACE(TRACE_ERROR, "Audio", "Playback error: %s", msg);
while((e = mp_wait_for_empty_queues(mp)) != NULL) {
if(event_is_type(e, EVENT_PLAYQUEUE_JUMP) ||
event_is_action(e, ACTION_PREV_TRACK) ||
event_is_action(e, ACTION_NEXT_TRACK) ||
event_is_action(e, ACTION_STOP)) {
mp_flush(mp, 0);
break;
}
event_release(e);
}
if(e == NULL)
e = event_create_type(EVENT_EOF);
break;
}
si = pkt.stream_index;
if(si == mp->mp_audio.mq_stream) {
/* Current audio stream */
mb = media_buf_alloc();
mb->mb_data_type = MB_AUDIO;
} else {
/* Check event queue ? */
av_free_packet(&pkt);
continue;
}
mb->mb_pts = rescale(fctx, pkt.pts, si);
mb->mb_dts = rescale(fctx, pkt.dts, si);
mb->mb_duration = rescale(fctx, pkt.duration, si);
mb->mb_cw = media_codec_ref(cw);
/* Move the data pointers from ffmpeg's packet */
mb->mb_stream = pkt.stream_index;
av_dup_packet(&pkt);
mb->mb_data = pkt.data;
pkt.data = NULL;
mb->mb_size = pkt.size;
pkt.size = 0;
if(mb->mb_pts != AV_NOPTS_VALUE) {
if(fctx->start_time == AV_NOPTS_VALUE)
mb->mb_time = mb->mb_pts;
else
mb->mb_time = mb->mb_pts - fctx->start_time;
pts4seek = mb->mb_time;
} else
mb->mb_time = AV_NOPTS_VALUE;
av_free_packet(&pkt);
}
/*
* Try to send the buffer. If mb_enqueue() returns something we
* catched an event instead of enqueueing the buffer. In this case
* 'mb' will be left untouched.
*/
if(mb == MB_SPECIAL_EOF) {
// We have reached EOF, drain queues
e = mp_wait_for_empty_queues(mp);
if(e == NULL) {
e = event_create_type(EVENT_EOF);
break;
}
} else if((e = mb_enqueue_with_events(mp, mq, mb)) == NULL) {
mb = NULL; /* Enqueue succeeded */
continue;
}
if(event_is_type(e, EVENT_PLAYQUEUE_JUMP)) {
mp_flush(mp, 0);
break;
} else if(event_is_type(e, EVENT_SEEK)) {
ets = (event_ts_t *)e;
ts = ets->pts + fctx->start_time;
if(ts < fctx->start_time)
ts = fctx->start_time;
av_seek_frame(fctx, -1, ts, AVSEEK_FLAG_BACKWARD);
seekflush(mp, &mb);
} else if(event_is_action(e, ACTION_SEEK_FAST_BACKWARD)) {
av_seek_frame(fctx, -1, pts4seek - 60000000, AVSEEK_FLAG_BACKWARD);
seekflush(mp, &mb);
} else if(event_is_action(e, ACTION_SEEK_BACKWARD)) {
av_seek_frame(fctx, -1, pts4seek - 15000000, AVSEEK_FLAG_BACKWARD);
seekflush(mp, &mb);
} else if(event_is_action(e, ACTION_SEEK_FAST_FORWARD)) {
av_seek_frame(fctx, -1, pts4seek + 60000000, 0);
seekflush(mp, &mb);
} else if(event_is_action(e, ACTION_SEEK_FORWARD)) {
av_seek_frame(fctx, -1, pts4seek + 15000000, 0);
seekflush(mp, &mb);
#if 0
} else if(event_is_action(e, ACTION_RESTART_TRACK)) {
av_seek_frame(fctx, -1, 0, AVSEEK_FLAG_BACKWARD);
seekflush(mp, &mb);
#endif
} else if(event_is_action(e, ACTION_PLAYPAUSE) ||
event_is_action(e, ACTION_PLAY) ||
event_is_action(e, ACTION_PAUSE)) {
hold = action_update_hold_by_event(hold, e);
mp_send_cmd_head(mp, mq, hold ? MB_CTRL_PAUSE : MB_CTRL_PLAY);
lost_focus = 0;
mp_set_playstatus_by_hold(mp, hold, NULL);
} else if(event_is_type(e, EVENT_MP_NO_LONGER_PRIMARY)) {
hold = 1;
lost_focus = 1;
mp_send_cmd_head(mp, mq, MB_CTRL_PAUSE);
mp_set_playstatus_by_hold(mp, hold, e->e_payload);
} else if(event_is_type(e, EVENT_MP_IS_PRIMARY)) {
if(lost_focus) {
hold = 0;
lost_focus = 0;
mp_send_cmd_head(mp, mq, MB_CTRL_PLAY);
mp_set_playstatus_by_hold(mp, hold, NULL);
}
} else if(event_is_type(e, EVENT_INTERNAL_PAUSE)) {
hold = 1;
lost_focus = 0;
mp_send_cmd_head(mp, mq, MB_CTRL_PAUSE);
mp_set_playstatus_by_hold(mp, hold, e->e_payload);
} else if(event_is_action(e, ACTION_PREV_TRACK) ||
event_is_action(e, ACTION_NEXT_TRACK) ||
event_is_action(e, ACTION_STOP)) {
mp_flush(mp, 0);
break;
}
event_release(e);
}
if(mb != NULL && mb != MB_SPECIAL_EOF)
media_buf_free(mb);
media_codec_deref(cw);
media_format_deref(fw);
if(hold) {
// If we were paused, release playback again.
mp_send_cmd(mp, mq, MB_CTRL_PLAY);
mp_set_playstatus_by_hold(mp, 0, NULL);
}
return e;
}
static event_t *
fa_gme_playfile_internal(media_pipe_t *mp, void *fh,
char *errbuf, size_t errlen, int hold, int track)
{
media_queue_t *mq = &mp->mp_audio;
Music_Emu *emu;
gme_err_t err;
char *buf;
int lost_focus = 0;
size_t size, r;
int sample_rate = 48000;
media_buf_t *mb = NULL;
event_t *e;
size = fa_fsize(fh);
buf = malloc(size);
r = fa_read(fh, buf, size);
if(r != size) {
snprintf(errbuf, errlen, "Unable to read file");
free(buf);
return NULL;
}
err = gme_open_data(buf, size, &emu, sample_rate);
free(buf);
if(err != NULL) {
snprintf(errbuf, errlen, "Unable to load file -- %s", err);
return NULL;
}
gme_start_track(emu, track);
mp_set_playstatus_by_hold(mp, hold, NULL);
mp->mp_audio.mq_stream = 0;
mp_set_play_caps(mp, MP_PLAY_CAPS_PAUSE | MP_PLAY_CAPS_SEEK);
mp_become_primary(mp);
while(1) {
if(gme_track_ended(emu)) {
e = event_create_type(EVENT_EOF);
break;
}
if(mb == NULL) {
mb = media_buf_alloc();
mb->mb_data_type = MB_AUDIO;
mb->mb_channels = 2;
mb->mb_size = sizeof(int16_t) * CHUNK_SIZE * mb->mb_channels;
mb->mb_data = malloc(mb->mb_size);
mb->mb_rate = sample_rate;
mb->mb_time = gme_tell(emu) * 1000;
gme_play(emu, CHUNK_SIZE * mb->mb_channels, mb->mb_data);
}
if((e = mb_enqueue_with_events(mp, mq, mb)) == NULL) {
mb = NULL; /* Enqueue succeeded */
continue;
}
if(event_is_type(e, EVENT_PLAYQUEUE_JUMP)) {
mp_flush(mp, 0);
break;
} else if(event_is_type(e, EVENT_SEEK)) {
event_ts_t *ets = (event_ts_t *)e;
gme_seek(emu, ets->pts / 1000);
seekflush(mp, &mb);
} else if(event_is_action(e, ACTION_SEEK_FAST_BACKWARD)) {
deltaseek(mp, &mb, emu, -60000);
} else if(event_is_action(e, ACTION_SEEK_BACKWARD)) {
deltaseek(mp, &mb, emu, -15000);
} else if(event_is_action(e, ACTION_SEEK_FAST_FORWARD)) {
deltaseek(mp, &mb, emu, 60000);
} else if(event_is_action(e, ACTION_SEEK_FORWARD)) {
deltaseek(mp, &mb, emu, 15000);
} else if(event_is_action(e, ACTION_PLAYPAUSE) ||
event_is_action(e, ACTION_PLAY) ||
event_is_action(e, ACTION_PAUSE)) {
hold = action_update_hold_by_event(hold, e);
mp_send_cmd_head(mp, mq, hold ? MB_CTRL_PAUSE : MB_CTRL_PLAY);
lost_focus = 0;
mp_set_playstatus_by_hold(mp, hold, NULL);
} else if(event_is_type(e, EVENT_MP_NO_LONGER_PRIMARY)) {
hold = 1;
lost_focus = 1;
mp_send_cmd_head(mp, mq, MB_CTRL_PAUSE);
mp_set_playstatus_by_hold(mp, hold, e->e_payload);
} else if(event_is_type(e, EVENT_MP_IS_PRIMARY)) {
if(lost_focus) {
hold = 0;
lost_focus = 0;
mp_send_cmd_head(mp, mq, MB_CTRL_PLAY);
mp_set_playstatus_by_hold(mp, hold, NULL);
}
} else if(event_is_type(e, EVENT_INTERNAL_PAUSE)) {
hold = 1;
lost_focus = 0;
mp_send_cmd_head(mp, mq, MB_CTRL_PAUSE);
mp_set_playstatus_by_hold(mp, hold, e->e_payload);
} else if(event_is_action(e, ACTION_PREV_TRACK) ||
event_is_action(e, ACTION_NEXT_TRACK) ||
event_is_action(e, ACTION_STOP)) {
mp_flush(mp, 0);
break;
}
event_release(e);
}
gme_delete(emu);
if(mb != NULL)
media_buf_free(mb);
if(hold) {
// If we were paused, release playback again.
mp_send_cmd(mp, mq, MB_CTRL_PLAY);
mp_set_playstatus_by_hold(mp, 0, NULL);
}
return e;
}
