Stu Leak
68df790d27
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
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
// Copyright 2022 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Macros for transitioning from the host ABI to Go ABI0.
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//
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// These macros save and restore the callee-saved registers
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// from the stack, but they don't adjust stack pointer, so
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// the user should prepare stack space in advance.
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// SAVE_R22_TO_R31(offset) saves R22 ~ R31 to the stack space
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// of ((offset)+0*8)(R3) ~ ((offset)+9*8)(R3).
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//
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// SAVE_F24_TO_F31(offset) saves F24 ~ F31 to the stack space
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// of ((offset)+0*8)(R3) ~ ((offset)+7*8)(R3).
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//
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// Note: g is R22
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#define SAVE_R22_TO_R31(offset) \
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MOVV g, ((offset)+(0*8))(R3) \
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MOVV R23, ((offset)+(1*8))(R3) \
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MOVV R24, ((offset)+(2*8))(R3) \
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MOVV R25, ((offset)+(3*8))(R3) \
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MOVV R26, ((offset)+(4*8))(R3) \
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MOVV R27, ((offset)+(5*8))(R3) \
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MOVV R28, ((offset)+(6*8))(R3) \
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MOVV R29, ((offset)+(7*8))(R3) \
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MOVV R30, ((offset)+(8*8))(R3) \
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MOVV R31, ((offset)+(9*8))(R3)
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#define SAVE_F24_TO_F31(offset) \
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MOVD F24, ((offset)+(0*8))(R3) \
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MOVD F25, ((offset)+(1*8))(R3) \
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MOVD F26, ((offset)+(2*8))(R3) \
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MOVD F27, ((offset)+(3*8))(R3) \
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MOVD F28, ((offset)+(4*8))(R3) \
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MOVD F29, ((offset)+(5*8))(R3) \
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MOVD F30, ((offset)+(6*8))(R3) \
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MOVD F31, ((offset)+(7*8))(R3)
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#define RESTORE_R22_TO_R31(offset) \
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MOVV ((offset)+(0*8))(R3), g \
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MOVV ((offset)+(1*8))(R3), R23 \
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MOVV ((offset)+(2*8))(R3), R24 \
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MOVV ((offset)+(3*8))(R3), R25 \
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MOVV ((offset)+(4*8))(R3), R26 \
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MOVV ((offset)+(5*8))(R3), R27 \
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MOVV ((offset)+(6*8))(R3), R28 \
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MOVV ((offset)+(7*8))(R3), R29 \
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MOVV ((offset)+(8*8))(R3), R30 \
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MOVV ((offset)+(9*8))(R3), R31
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#define RESTORE_F24_TO_F31(offset) \
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MOVD ((offset)+(0*8))(R3), F24 \
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MOVD ((offset)+(1*8))(R3), F25 \
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MOVD ((offset)+(2*8))(R3), F26 \
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MOVD ((offset)+(3*8))(R3), F27 \
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MOVD ((offset)+(4*8))(R3), F28 \
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MOVD ((offset)+(5*8))(R3), F29 \
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MOVD ((offset)+(6*8))(R3), F30 \
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MOVD ((offset)+(7*8))(R3), F31
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