id summary reporter owner description type status priority component version resolution keywords cc blockedby blocking reproduced analyzed 238 ffplay fails to play file with changing pixel format cehoyos "Attached file can be converted with ffmpeg, but crashes ffplay. {{{ (gdb) r -i test.mjpeg ffplay version git-N-30219-g07586b6, Copyright (c) 2003-2011 the FFmpeg developers built on May 25 2011 17:18:11 with gcc 4.5.3 configuration: --cc='/usr/local/gcc-4.5.3/bin/gcc -m32' --enable-gpl libavutil 51. 2. 2 / 51. 2. 2 libavcodec 53. 6. 0 / 53. 6. 0 libavformat 53. 2. 0 / 53. 2. 0 libavdevice 53. 0. 0 / 53. 0. 0 libavfilter 2. 11. 0 / 2. 11. 0 libswscale 0. 14. 0 / 0. 14. 0 libpostproc 51. 2. 0 / 51. 2. 0 [mjpeg @ 0x8d22080] Estimating duration from bitrate, this may be inaccurate Input #0, mjpeg, from 'test.mjpeg': Duration: N/A, bitrate: N/A Stream #0.0: Video: mjpeg, gray, 640x360 [PAR 1:1 DAR 16:9], 25 fps, 25 tbr, 1200k tbn, 25 tbc [New Thread 0xf6812b70 (LWP 21670)] [New Thread 0xf5e11b70 (LWP 21671)] [ffsink @ 0xf5f00960] auto-inserting filter 'auto-inserted scaler 0' between the filter 'src' and the filter 'out' [scale @ 0xf5f00d60] w:640 h:360 fmt:gray -> w:640 h:360 fmt:yuv420p flags:0x4 1306337048.96 A-V: 0.000 s:0.0 aq= 0KB vq= 200KB sq= 0B f=0/0 Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0xf6812b70 (LWP 21670)] 0x08496d5b in ff_put_pixels_clamped_mmx (block=0x8d347c0, pixels=0x0, line_size=0) at libavcodec/x86/dsputil_mmx.c:244 244 __asm__ volatile( (gdb) bt #0 0x08496d5b in ff_put_pixels_clamped_mmx (block=0x8d347c0, pixels=0x0, line_size=0) at libavcodec/x86/dsputil_mmx.c:244 #1 0x08302e22 in mjpeg_decode_scan (Al=0, Ah=0, nb_components=3, s=0x8d34280, mb_bitmask=, reference=) at libavcodec/mjpegdec.c:863 #2 ff_mjpeg_decode_sos (Al=0, Ah=0, nb_components=3, s=0x8d34280, mb_bitmask=, reference=) at libavcodec/mjpegdec.c:1046 #3 ff_mjpeg_decode_frame (Al=0, Ah=0, nb_components=3, s=0x8d34280, mb_bitmask=, reference=) at libavcodec/mjpegdec.c:1530 #4 0x0841ff61 in avcodec_decode_video2 (avctx=0x8d23520, picture=0xf5f00800, got_picture_ptr=0xf68120bc, avpkt=0xf6812078) at libavcodec/utils.c:743 #5 0x0804e3c0 in get_video_frame (pkt=0xf6812068, pts=, frame=0xf5f00800, is=0xf7014020) at ffplay.c:1517 #6 input_request_frame (pkt=0xf6812068, pts=, frame=0xf5f00800, is=0xf7014020) at ffplay.c:1673 #7 0x0805b56f in avfilter_request_frame (link=0xf5f010e0) at libavfilter/avfilter.c:405 #8 0x0805550e in get_filtered_video_frame (ctx=0xf5f00960, frame=0xf5f00480, picref_ptr=0xf6812318, tb=0xf6812300) at cmdutils.c:931 #9 0x0804f722 in video_thread (arg=0xf7014020) at ffplay.c:1815 #10 0xf7e03391 in ?? () from /usr/lib/libSDL-1.2.so.0 #11 0xf7e4f6eb in ?? () from /usr/lib/libSDL-1.2.so.0 #12 0xf7ddf6e5 in start_thread () from /lib/libpthread.so.0 #13 0xf7ddf600 in ?? () from /lib/libpthread.so.0 (gdb) disass $pc-32 $pc+32 Dump of assembler code from 0x8496d3b to 0x8496d7b: 0x08496d3b : movq 0x18(%ecx),%mm3 0x08496d3f : movq 0x20(%ecx),%mm4 0x08496d43 : movq 0x28(%ecx),%mm5 0x08496d47 : movq 0x30(%ecx),%mm6 0x08496d4b : movq 0x38(%ecx),%mm7 0x08496d4f : packuswb %mm1,%mm0 0x08496d52 : packuswb %mm3,%mm2 0x08496d55 : packuswb %mm5,%mm4 0x08496d58 : packuswb %mm7,%mm6 0x08496d5b : movq %mm0,(%ebx) 0x08496d5e : movq %mm2,(%ebx,%eax,1) 0x08496d62 : movq %mm4,(%ebx,%eax,2) 0x08496d66 : movq %mm6,(%ebx,%edx,1) 0x08496d6a : lea (%ebx,%eax,4),%ebx 0x08496d6d : add $0x40,%ecx 0x08496d70 : movq (%ecx),%mm0 0x08496d73 : movq 0x8(%ecx),%mm1 0x08496d77 : movq 0x10(%ecx),%mm2 End of assembler dump. (gdb) info all-registers eax 0x0 0 ecx 0x8d347c0 148064192 edx 0x0 0 ebx 0x0 0 esp 0xf6811ea8 0xf6811ea8 ebp 0x2 0x2 esi 0x2 2 edi 0x0 0 eip 0x8496d5b 0x8496d5b eflags 0x210286 [ PF SF IF RF ID ] cs 0x23 35 ss 0x2b 43 ds 0x2b 43 es 0x2b 43 fs 0x0 0 gs 0x63 99 st0 -nan(0x8080808080808080) (raw 0xffff8080808080808080) st1 -nan(0x80008000800080) (raw 0xffff0080008000800080) st2 -nan(0x8080808080808080) (raw 0xffff8080808080808080) st3 -nan(0x80008000800080) (raw 0xffff0080008000800080) st4 -nan(0x8080808080808080) (raw 0xffff8080808080808080) st5 -nan(0x80008000800080) (raw 0xffff0080008000800080) st6 -nan(0x8080808080808080) (raw 0xffff8080808080808080) st7 -nan(0x80008000800080) (raw 0xffff0080008000800080) fctrl 0x37f 895 fstat 0x20 32 ftag 0xaaaa 43690 fiseg 0x0 0 fioff 0x804fbed 134544365 foseg 0x0 0 fooff 0xf70e0cac -150074196 fop 0x59c 1436 xmm0 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {0x0 }, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x00000000000000000000000000000000} xmm1 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {0x0 }, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x00000000000000000000000000000000} xmm2 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {0x0 }, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x00000000000000000000000000000000} xmm3 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {0x0 }, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x00000000000000000000000000000000} xmm4 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {0x0 }, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x00000000000000000000000000000000} xmm5 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {0x0 }, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x00000000000000000000000000000000} xmm6 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {0x0 }, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x00000000000000000000000000000000} xmm7 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {0x0 }, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x00000000000000000000000000000000} mxcsr 0x1f80 [ IM DM ZM OM UM PM ] mm0 {uint64 = 0x8080808080808080, v2_int32 = {0x80808080, 0x80808080}, v4_int16 = {0x8080, 0x8080, 0x8080, 0x8080}, v8_int8 = {0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80}} mm1 {uint64 = 0x80008000800080, v2_int32 = {0x800080, 0x800080}, v4_int16 = {0x80, 0x80, 0x80, 0x80}, v8_int8 = {0x80, 0x0, 0x80, 0x0, 0x80, 0x0, 0x80, 0x0}} mm2 {uint64 = 0x8080808080808080, v2_int32 = {0x80808080, 0x80808080}, v4_int16 = {0x8080, 0x8080, 0x8080, 0x8080}, v8_int8 = {0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80}} mm3 {uint64 = 0x80008000800080, v2_int32 = {0x800080, 0x800080}, v4_int16 = {0x80, 0x80, 0x80, 0x80}, v8_int8 = {0x80, 0x0, 0x80, 0x0, 0x80, 0x0, 0x80, 0x0}} mm4 {uint64 = 0x8080808080808080, v2_int32 = {0x80808080, 0x80808080}, v4_int16 = {0x8080, 0x8080, 0x8080, 0x8080}, v8_int8 = {0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80}} mm5 {uint64 = 0x80008000800080, v2_int32 = {0x800080, 0x800080}, v4_int16 = {0x80, 0x80, 0x80, 0x80}, v8_int8 = {0x80, 0x0, 0x80, 0x0, 0x80, 0x0, 0x80, 0x0}} mm6 {uint64 = 0x8080808080808080, v2_int32 = {0x80808080, 0x80808080}, v4_int16 = {0x8080, 0x8080, 0x8080, 0x8080}, v8_int8 = {0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80}} mm7 {uint64 = 0x80008000800080, v2_int32 = {0x800080, 0x800080}, v4_int16 = {0x80, 0x80, 0x80, 0x80}, v8_int8 = {0x80, 0x0, 0x80, 0x0, 0x80, 0x0, 0x80, 0x0}} }}} " enhancement closed wish FFplay git-master fixed mjpeg 1 0