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video: add fast and slow playback support [1/1]

Browse Source 
PD#SWPL-1690

Problem:
YouTube requires support playback rate 0.25, 0.50, 1.00, 1.25, 1.50,
2.00

Solution:
vsync_slow_factor can be used to slow playback, extend it's value to
support fast playback

Verify:
mesongxl_p212_32_kernel49

Change-Id: I94589a210b8531cc198414b3017c3caf82827565
Signed-off-by: Daogao Xu <daogao.xu@amlogic.com>
This commit is contained in:
Daogao Xu
2018-11-30 14:30:56 +08:00
committed by Jianxin Pan
parent bd3ccd7189
commit 8a8b821423
1 changed files with 33 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
drivers/amlogic/media/video_sink/video.c
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@@ -999,6 +999,11 @@ static u32 vsync_pts_112;
static u32 vsync_pts_101;
static u32 vsync_pts_100;
static u32 vsync_freerun;
/* extend this value to support both slow and fast playback
* 0,1: normal playback
* [2,1000]: speed/vsync_slow_factor
* >1000: speed*(vsync_slow_factor/1000000)
*/
static u32 vsync_slow_factor = 1;
/* pts alignment */
@@ -2508,8 +2513,18 @@ static void vsync_toggle_frame(struct vframe_s *vf)
ori_start_y_lines = 0;
ori_end_y_lines = ((vf->type & VIDTYPE_COMPRESS) ?
vf->compHeight : vf->height) - 1;
if (debug_flag & DEBUG_FLAG_PRINT_TOGGLE_FRAME)
pr_info("%s()\n", __func__);
if (debug_flag & DEBUG_FLAG_PRINT_TOGGLE_FRAME) {
u32 pcr = timestamp_pcrscr_get();
u32 vpts = timestamp_vpts_get();
u32 apts = timestamp_apts_get();
pr_info("%s pts:%d.%06d pcr:%d.%06d vpts:%d.%06d apts:%d.%06d\n",
__func__, (vf->pts) / 90000,
((vf->pts) % 90000) * 1000 / 90, (pcr) / 90000,
((pcr) % 90000) * 1000 / 90, (vpts) / 90000,
((vpts) % 90000) * 1000 / 90, (apts) / 90000,
((apts) % 90000) * 1000 / 90);
}
if (trickmode_i || trickmode_fffb)
trickmode_duration_count = trickmode_duration;
@@ -4164,6 +4179,10 @@ static inline bool duration_expire(struct vframe_s *cur_vf,
static s32 rpt_tab_idx;
static const u32 rpt_tab[4] = { 0x100, 0x100, 0x300, 0x300 };
/* do not switch to new frames in none-normal speed */
if (vsync_slow_factor > 1000)
return false;
if ((cur_vf == NULL) || (cur_dispbuf == &vf_local))
return true;
@@ -5256,11 +5275,18 @@ static irqreturn_t vsync_isr_in(int irq, void *dev_id)
if (vsync_slow_factor == 1) {
timestamp_pcrscr_inc_scale(vsync_pts_inc_scale,
vsync_pts_inc_scale_base);
} else
timestamp_pcrscr_inc(
vsync_pts_inc / vsync_slow_factor);
timestamp_apts_inc(vsync_pts_inc / vsync_slow_factor);
vsync_pts_inc_scale_base);
timestamp_apts_inc(vsync_pts_inc / vsync_slow_factor);
} else if (vsync_slow_factor > 1000) {
u32 inc = (vsync_slow_factor / 1000)
* vsync_pts_inc / 1000;
timestamp_pcrscr_inc(inc);
timestamp_apts_inc(inc);
} else {
timestamp_pcrscr_inc(vsync_pts_inc / vsync_slow_factor);
timestamp_apts_inc(vsync_pts_inc / vsync_slow_factor);
}
}
if (omx_secret_mode == true) {
u32 system_time = timestamp_pcrscr_get();