[FFmpeg-trac] #2447(undetermined:new): AAC encoder segfault on PPC/OS X 10.5.8

FFmpeg trac at avcodec.org
Mon Apr 8 10:42:39 CEST 2013


#2447: AAC encoder segfault on PPC/OS X 10.5.8
--------------------------------+----------------------------------------
             Reporter:  mt      |                    Owner:
                 Type:  defect  |                   Status:  new
             Priority:  normal  |                Component:  undetermined
              Version:  1.2     |               Resolution:
             Keywords:          |               Blocked By:
             Blocking:          |  Reproduced by developer:  0
Analyzed by developer:  0       |
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Comment (by mt):

 That one didn't crash.
 Tried three different input samples with AC3, they all crash.
 After that I tried two diffent input files with DTS, they all crash also
 but this time with illegal instruction:
 {{{
 Program received signal EXC_BAD_INSTRUCTION, Illegal instruction/operand.
 0x006c4098 in run_value_bits_short ()
 (gdb) bt
 #0  0x006c4098 in run_value_bits_short ()
 #1  0x0015ddc4 in quantize_and_encode_band (s=<value temporarily
 unavailable, due to optimizations>, pb=<value temporarily unavailable, due
 to optimizations>, in=<value temporarily unavailable, due to
 optimizations>, size=<value temporarily unavailable, due to
 optimizations>, scale_idx=<value temporarily unavailable, due to
 optimizations>, cb=<value temporarily unavailable, due to optimizations>,
 lambda=<value temporarily unavailable, due to optimizations>) at
 libavcodec/aaccoder.c:270
 #2  0x0016e4ac in encode_spectral_coeffs [inlined] () at
 libavcodec/aacenc.c:429
 #3  0x0016e4ac in aac_encode_frame (avctx=0x1000e10, avpkt=0xbfffaa08,
 frame=<value temporarily unavailable, due to optimizations>,
 got_packet_ptr=0xbfffa8dc) at libavcodec/aacenc.c:454
 #4  0x00567d70 in avcodec_encode_audio2 (avctx=0x1000e10,
 avpkt=0xbfffaa08, frame=0xf04f70, got_packet_ptr=0xbfffa8dc) at
 libavcodec/utils.c:1296
 #5  0x00011dec in reap_filters () at ffmpeg.c:656
 #6  0x00013f8c in transcode_step () at ffmpeg.c:3119
 #7  0x0001624c in transcode () at ffmpeg.c:3162
 #8  0x00016734 in main (argc=<value temporarily unavailable, due to
 optimizations>, argv=0xb290) at ffmpeg.c:3339
 (gdb) disass $pc-32,$pc+32
 No function contains specified address.
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2447#comment:4>
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