On 6/24/23 08:21, James Almer wrote:
On 6/24/2023 1:38 AM, Leo Izen wrote:
diff --git a/libavformat/Makefile b/libavformat/Makefile
index 2b90b788c0..0637199c9d 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -283,7 +283,7 @@ OBJS-$(CONFIG_IMAGE_HDR_PIPE_DEMUXER)     += img2dec.o img2.o
  OBJS-$(CONFIG_IMAGE_J2K_PIPE_DEMUXER)     += img2dec.o img2.o
  OBJS-$(CONFIG_IMAGE_JPEG_PIPE_DEMUXER)    += img2dec.o img2.o
  OBJS-$(CONFIG_IMAGE_JPEGLS_PIPE_DEMUXER)  += img2dec.o img2.o
-OBJS-$(CONFIG_IMAGE_JPEGXL_PIPE_DEMUXER)  += img2dec.o img2.o jpegxl_probe.o +OBJS-$(CONFIG_IMAGE_JPEGXL_PIPE_DEMUXER)  += img2dec.o img2.o jpegxl_parse.o
  OBJS-$(CONFIG_IMAGE_PAM_PIPE_DEMUXER)     += img2dec.o img2.o
  OBJS-$(CONFIG_IMAGE_PBM_PIPE_DEMUXER)     += img2dec.o img2.o
  OBJS-$(CONFIG_IMAGE_PCX_PIPE_DEMUXER)     += img2dec.o img2.o
@@ -320,7 +320,7 @@ OBJS-$(CONFIG_IVF_MUXER)                 += ivfenc.o
  OBJS-$(CONFIG_IVR_DEMUXER)               += rmdec.o rm.o rmsipr.o
  OBJS-$(CONFIG_JACOSUB_DEMUXER)           += jacosubdec.o subtitles.o
  OBJS-$(CONFIG_JACOSUB_MUXER)             += jacosubenc.o rawenc.o
-OBJS-$(CONFIG_JPEGXL_ANIM_DEMUXER)       += jpegxl_anim_dec.o jpegxl_probe.o +OBJS-$(CONFIG_JPEGXL_ANIM_DEMUXER)       += jpegxl_anim_dec.o jpegxl_parse.o

These two will compile jpegxl_parse.o twice on static builds, once in lavc and once in lavf, which is a waste. You instead need to add

STLIBOBJS-$(CONFIG_IMAGE_JPEGXL_PIPE_DEMUXER) += jpegxl_parse.o
STLIBOBJS-$(CONFIG_JPEGXL_ANIM_DEMUXER) += jpegxl_parse.o >
to libavcodec/Makefile


Will fix.


  OBJS-$(CONFIG_JV_DEMUXER)                += jvdec.o
  OBJS-$(CONFIG_KUX_DEMUXER)               += flvdec.o
  OBJS-$(CONFIG_KVAG_DEMUXER)              += kvag.o
@@ -715,6 +715,7 @@ SHLIBOBJS                                += log2_tab.o to_upper4.o
  SHLIBOBJS-$(CONFIG_ISO_MEDIA)            += mpegaudiotabs.o
  SHLIBOBJS-$(CONFIG_FLV_MUXER)            += mpeg4audio_sample_rates.o
  SHLIBOBJS-$(CONFIG_HLS_DEMUXER)          += ac3_channel_layout_tab.o
+SHLIBOBJS-$(CONFIG_JPEGXL_ANIM_DEMUXER)  += jpegxl_parse.o

Missing the pipe demuxer here too.


Will fix.


  SHLIBOBJS-$(CONFIG_MATROSKA_DEMUXER)     += mpeg4audio_sample_rates.o
  SHLIBOBJS-$(CONFIG_MOV_DEMUXER)          += ac3_channel_layout_tab.o
  SHLIBOBJS-$(CONFIG_MP3_MUXER)            += mpegaudiotabs.o
diff --git a/libavformat/img2dec.c b/libavformat/img2dec.c
index b986d3a502..72b2c76405 100644
--- a/libavformat/img2dec.c
+++ b/libavformat/img2dec.c
@@ -36,7 +36,7 @@
 #include "avio_internal.h"
 #include "internal.h"
 #include "img2.h"
-#include "jpegxl_probe.h"
+#include "libavcodec/jpegxl_parse.h"
 #include "libavcodec/mjpeg.h"
 #include "libavcodec/vbn.h"
 #include "libavcodec/xwd.h"
@@ -850,7 +850,7 @@ static int jpegxl_probe(const AVProbeData *p)
     if (AV_RL16(b) != FF_JPEGXL_CODESTREAM_SIGNATURE_LE)
         return 0;
 #if CONFIG_IMAGE_JPEGXL_PIPE_DEMUXER
-    if (ff_jpegxl_verify_codestream_header(p->buf, p->buf_size, 1) >= 0)
+    if (ff_jpegxl_parse_codestream_header(p->buf, p->buf_size, 1, NULL) >= 0)

If it's only for the probe function, can't you add a reduced version here that can also conclude the stream is jpegxl? That way you don't need it to depend on lavc code and simplifies the stuff above.


I tried repeatedly to do this, and it kept failing the probetest. I don't believe there's a simplified way to do it that won't fail that.

- Leo Izen
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