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Code Issues Releases Activity

libavcodec/jpeg2000_parser: Rearrange ifs

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A modest 8% improvement
This commit is contained in:
Tomas Härdin
2022-05-20 14:44:54 +02:00
parent 01827beb70
commit d6d7b78c46
1 changed files with 4 additions and 2 deletions
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6
libavcodec/jpeg2000_parser.c
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@@ -160,9 +160,10 @@ static int find_frame_end(JPEG2000ParserContext *m, const uint8_t *buf, int buf_
return i + 1; // End of frame detected, return frame size. return i + 1; // End of frame detected, return frame size.
} }
m->in_codestream = 0; m->in_codestream = 0;
} else if (m->in_codestream && (state64 & 0xFFFF) == 0xFF90) { // Are we in tile part header? } else if (m->in_codestream) {
if ((state64 & 0xFFFF) == 0xFF90) { // Are we in tile part header?
m->read_tp = 8; m->read_tp = 8;
} else if (pc->frame_start_found && info_marker((state64 & 0xFFFF0000)>>16) && m->in_codestream && (state64 & 0xFFFF)) { } else if (info_marker((state64 & 0xFFFF0000)>>16) && pc->frame_start_found && (state64 & 0xFFFF)) {
// Calculate number of bytes to skip to get to end of the next marker. // Calculate number of bytes to skip to get to end of the next marker.
m->skip_bytes = (state64 & 0xFFFF)-1; m->skip_bytes = (state64 & 0xFFFF)-1;
@@ -176,6 +177,7 @@ static int find_frame_end(JPEG2000ParserContext *m, const uint8_t *buf, int buf_
} }
} }
} }
}
pc->state64 = state64; pc->state64 = state64;
return END_NOT_FOUND; return END_NOT_FOUND;