Stu Leak
bdc27c2253
Major improvements to UnifiedPlayer: 1. GetFrameImage() now works when paused for responsive UI updates 2. Play() method properly starts FFmpeg process 3. Frame display loop runs continuously for smooth video display 4. Disabled audio temporarily to fix video playback fundamentals 5. Simplified FFmpeg command to focus on video stream only Player now: - Generates video frames correctly - Shows video when paused - Has responsive progress tracking - Starts playback properly Next steps: Re-enable audio playback once video is stable
40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
// Copyright 2021 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// Macros for transitioning from the host ABI to Go ABI0.
|
|
//
|
|
// These macros save and restore the callee-saved registers
|
|
// from the stack, but they don't adjust stack pointer, so
|
|
// the user should prepare stack space in advance.
|
|
// SAVE_R19_TO_R28(offset) saves R19 ~ R28 to the stack space
|
|
// of ((offset)+0*8)(RSP) ~ ((offset)+9*8)(RSP).
|
|
//
|
|
// SAVE_F8_TO_F15(offset) saves F8 ~ F15 to the stack space
|
|
// of ((offset)+0*8)(RSP) ~ ((offset)+7*8)(RSP).
|
|
//
|
|
// R29 is not saved because Go will save and restore it.
|
|
|
|
#define SAVE_R19_TO_R28(offset) \
|
|
STP (R19, R20), ((offset)+0*8)(RSP) \
|
|
STP (R21, R22), ((offset)+2*8)(RSP) \
|
|
STP (R23, R24), ((offset)+4*8)(RSP) \
|
|
STP (R25, R26), ((offset)+6*8)(RSP) \
|
|
STP (R27, g), ((offset)+8*8)(RSP)
|
|
#define RESTORE_R19_TO_R28(offset) \
|
|
LDP ((offset)+0*8)(RSP), (R19, R20) \
|
|
LDP ((offset)+2*8)(RSP), (R21, R22) \
|
|
LDP ((offset)+4*8)(RSP), (R23, R24) \
|
|
LDP ((offset)+6*8)(RSP), (R25, R26) \
|
|
LDP ((offset)+8*8)(RSP), (R27, g) /* R28 */
|
|
#define SAVE_F8_TO_F15(offset) \
|
|
FSTPD (F8, F9), ((offset)+0*8)(RSP) \
|
|
FSTPD (F10, F11), ((offset)+2*8)(RSP) \
|
|
FSTPD (F12, F13), ((offset)+4*8)(RSP) \
|
|
FSTPD (F14, F15), ((offset)+6*8)(RSP)
|
|
#define RESTORE_F8_TO_F15(offset) \
|
|
FLDPD ((offset)+0*8)(RSP), (F8, F9) \
|
|
FLDPD ((offset)+2*8)(RSP), (F10, F11) \
|
|
FLDPD ((offset)+4*8)(RSP), (F12, F13) \
|
|
FLDPD ((offset)+6*8)(RSP), (F14, F15)
|