[FFmpeg-cvslog] Revert "lavd: add new API for iterating input and output devices"

Josh de Kock git at videolan.org
Sun Apr 1 02:00:20 EEST 2018


ffmpeg | branch: master | Josh de Kock <josh at itanimul.li> | Fri Mar 23 10:16:15 2018 +0000| [d8ae40611bc01257776b71f20d774eb720151906] | committer: Josh de Kock

Revert "lavd: add new API for iterating input and output devices"

This reverts commit 0fd475704e871ef3a535947596a012894bae3cbd.

Revert "lavd: fix iterating of input and output devices"

This reverts commit ce1d77a5e7cebce11074bf6f9e38ad6da37338ff.

Signed-off-by: Josh de Kock <josh at itanimul.li>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d8ae40611bc01257776b71f20d774eb720151906
---

 Makefile                 |   3 +-
 configure                |  23 +++---
 doc/APIchanges           |   5 --
 libavdevice/.gitignore   |   2 -
 libavdevice/alldevices.c | 179 ++++++++++++-----------------------------------
 libavdevice/avdevice.c   |  46 ++++++++++++
 libavdevice/avdevice.h   |  28 --------
 libavdevice/version.h    |   4 --
 libavformat/allformats.c |  42 +----------
 libavformat/format.c     |   8 ---
 libavformat/internal.h   |   7 --
 11 files changed, 103 insertions(+), 244 deletions(-)

diff --git a/Makefile b/Makefile
index bb93b69f89..0cd0a1d6f2 100644
--- a/Makefile
+++ b/Makefile
@@ -144,8 +144,7 @@ distclean:: clean
 		version.h libavutil/ffversion.h libavcodec/codec_names.h \
 		libavcodec/bsf_list.c libavformat/protocol_list.c \
 		libavcodec/codec_list.c libavcodec/parser_list.c \
-		libavformat/muxer_list.c libavformat/demuxer_list.c \
-		libavdevice/indev_list.c libavdevice/outdev_list.c
+		libavformat/muxer_list.c libavformat/demuxer_list.c
 ifeq ($(SRC_LINK),src)
 	$(RM) src
 endif
diff --git a/configure b/configure
index 6ef3d8abef..b57e3d709a 100755
--- a/configure
+++ b/configure
@@ -3622,12 +3622,21 @@ for v in "$@"; do
     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
 done
 
+find_things(){
+    thing=$1
+    pattern=$2
+    file=$source_path/$3
+    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
+}
+
+OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
+INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
+
 find_things_extern(){
     thing=$1
     pattern=$2
     file=$source_path/$3
-    out=${4:-$thing}
-    sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"
+    sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
 }
 
 find_filters_extern(){
@@ -3637,8 +3646,6 @@ find_filters_extern(){
 }
 
 FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)
-OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)
-INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)
 MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)
 DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)
 ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)
@@ -7172,12 +7179,6 @@ print_enabled_components(){
                 filter_list)
                     c=$(full_filter_name $(remove_suffix _filter $c))
                 ;;
-                indev_list)
-                    c=$(add_suffix _demuxer $(remove_suffix _indev $c))
-                ;;
-                outdev_list)
-                    c=$(add_suffix _muxer $(remove_suffix _outdev $c))
-                ;;
             esac
             printf "    &ff_%s,\n" $c >> $TMPH
         fi
@@ -7195,8 +7196,6 @@ print_enabled_components libavfilter/filter_list.c AVFilter filter_list $FILTER_
 print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST
 print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST
 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
-print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST
-print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST
 print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST
 print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST
 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
diff --git a/doc/APIchanges b/doc/APIchanges
index dbc4617f8d..235868b22a 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -56,11 +56,6 @@ API changes, most recent first:
 2018-02-xx - xxxxxxx - lavc 58.11.100 - avcodec.h
   Add AVCodecContext.extra_hw_frames.
 
-2018-02-06 - 0fd475704e - lavd 58.1.100 - avdevice.h
-  Deprecate use of av_input_audio_device_next(), av_input_video_device_next(),
-  av_output_audio_device_next(), av_output_video_device_next().
-  Add av_indev_iterate(), and av_outdev_iterate().
-
 2018-xx-xx - xxxxxxx - lavf 58.9.100 - avformat.h
   Deprecate use of av_register_input_format(), av_register_output_format(),
   av_register_all(), av_iformat_next(), av_oformat_next().
diff --git a/libavdevice/.gitignore b/libavdevice/.gitignore
deleted file mode 100644
index 08ac3eb86a..0000000000
--- a/libavdevice/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-/indev_list.c
-/outdev_list.c
diff --git a/libavdevice/alldevices.c b/libavdevice/alldevices.c
index 39993354bc..b767b6a718 100644
--- a/libavdevice/alldevices.c
+++ b/libavdevice/alldevices.c
@@ -22,150 +22,57 @@
 #include "libavutil/thread.h"
 #include "avdevice.h"
 
-#if FF_API_NEXT
-#include "libavformat/internal.h"
-#endif
-
-/* devices */
-extern AVInputFormat  ff_alsa_demuxer;
-extern AVOutputFormat ff_alsa_muxer;
-extern AVInputFormat  ff_android_camera_demuxer;
-extern AVInputFormat  ff_avfoundation_demuxer;
-extern AVInputFormat  ff_bktr_demuxer;
-extern AVOutputFormat ff_caca_muxer;
-extern AVInputFormat  ff_decklink_demuxer;
-extern AVOutputFormat ff_decklink_muxer;
-extern AVInputFormat  ff_libndi_newtek_demuxer;
-extern AVOutputFormat ff_libndi_newtek_muxer;
-extern AVInputFormat  ff_dshow_demuxer;
-extern AVInputFormat  ff_fbdev_demuxer;
-extern AVOutputFormat ff_fbdev_muxer;
-extern AVInputFormat  ff_gdigrab_demuxer;
-extern AVInputFormat  ff_iec61883_demuxer;
-extern AVInputFormat  ff_jack_demuxer;
-extern AVInputFormat  ff_kmsgrab_demuxer;
-extern AVInputFormat  ff_lavfi_demuxer;
-extern AVInputFormat  ff_openal_demuxer;
-extern AVOutputFormat ff_opengl_muxer;
-extern AVInputFormat  ff_oss_demuxer;
-extern AVOutputFormat ff_oss_muxer;
-extern AVInputFormat  ff_pulse_demuxer;
-extern AVOutputFormat ff_pulse_muxer;
-extern AVOutputFormat ff_sdl2_muxer;
-extern AVInputFormat  ff_sndio_demuxer;
-extern AVOutputFormat ff_sndio_muxer;
-extern AVInputFormat  ff_v4l2_demuxer;
-extern AVOutputFormat ff_v4l2_muxer;
-extern AVInputFormat  ff_vfwcap_demuxer;
-extern AVInputFormat  ff_xcbgrab_demuxer;
-extern AVOutputFormat ff_xv_muxer;
-
-/* external libraries */
-extern AVInputFormat  ff_libcdio_demuxer;
-extern AVInputFormat  ff_libdc1394_demuxer;
-
-#include "libavdevice/outdev_list.c"
-#include "libavdevice/indev_list.c"
-
-const AVOutputFormat *av_outdev_iterate(void **opaque)
-{
-    uintptr_t i = (uintptr_t)*opaque;
-    const AVOutputFormat *f = outdev_list[i];
-
-    if (f)
-        *opaque = (void*)(i + 1);
-    return f;
-}
-
-const AVInputFormat *av_indev_iterate(void **opaque)
-{
-    uintptr_t i = (uintptr_t)*opaque;
-    const AVInputFormat *f = indev_list[i];
-
-    if (f)
-        *opaque = (void*)(i + 1);
-    return f;
-}
-
-#if FF_API_NEXT
-FF_DISABLE_DEPRECATION_WARNINGS
-static AVOnce av_device_next_init = AV_ONCE_INIT;
-
-static void av_device_init_next(void)
-{
-    AVOutputFormat *prevout = NULL, *out;
-    AVInputFormat *previn = NULL, *in;
-    void *i = 0;
-
-    while ((out = (AVOutputFormat*)av_outdev_iterate(&i))) {
-        if (prevout)
-            prevout->next = out;
-        prevout = out;
+#define REGISTER_OUTDEV(X, x)                                           \
+    {                                                                   \
+        extern AVOutputFormat ff_##x##_muxer;                           \
+        if (CONFIG_##X##_OUTDEV)                                        \
+            av_register_output_format(&ff_##x##_muxer);                 \
     }
 
-    i = 0;
-    while ((in = (AVInputFormat*)av_indev_iterate(&i))) {
-        if (previn)
-            previn->next = in;
-        previn = in;
+#define REGISTER_INDEV(X, x)                                            \
+    {                                                                   \
+        extern AVInputFormat ff_##x##_demuxer;                          \
+        if (CONFIG_##X##_INDEV)                                         \
+            av_register_input_format(&ff_##x##_demuxer);                \
     }
 
-    avpriv_register_devices(outdev_list, indev_list);
-}
-
-void avdevice_register_all(void)
-{
-    ff_thread_once(&av_device_next_init, av_device_init_next);
-}
-
-static void *device_next(void *prev, int output,
-                         AVClassCategory c1, AVClassCategory c2)
-{
-    const AVClass *pc;
-    AVClassCategory category = AV_CLASS_CATEGORY_NA;
-
-    ff_thread_once(&av_device_next_init, av_device_init_next);
-
-    do {
-        if (output) {
-            if (!(prev = prev ? ((AVOutputFormat *)prev)->next : (void*)outdev_list[0]))
-                break;
-            pc = ((AVOutputFormat *)prev)->priv_class;
-        } else {
-            if (!(prev = prev ? ((AVInputFormat *)prev)->next : (void*)indev_list[0]))
-                break;
-            pc = ((AVInputFormat *)prev)->priv_class;
-        }
-        if (!pc)
-            continue;
-        category = pc->category;
-    } while (category != c1 && category != c2);
-    return prev;
-}
-
-AVInputFormat *av_input_audio_device_next(AVInputFormat  *d)
-{
-    return device_next(d, 0, AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT,
-                       AV_CLASS_CATEGORY_DEVICE_INPUT);
-}
+#define REGISTER_INOUTDEV(X, x) REGISTER_OUTDEV(X, x); REGISTER_INDEV(X, x)
 
-AVInputFormat *av_input_video_device_next(AVInputFormat  *d)
+static void register_all(void)
 {
-    return device_next(d, 0, AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
-                       AV_CLASS_CATEGORY_DEVICE_INPUT);
+    /* devices */
+    REGISTER_INOUTDEV(ALSA,             alsa);
+    REGISTER_INDEV   (AVFOUNDATION,     avfoundation);
+    REGISTER_INDEV   (BKTR,             bktr);
+    REGISTER_OUTDEV  (CACA,             caca);
+    REGISTER_INOUTDEV(DECKLINK,         decklink);
+    REGISTER_INOUTDEV(LIBNDI_NEWTEK,    libndi_newtek);
+    REGISTER_INDEV   (DSHOW,            dshow);
+    REGISTER_INOUTDEV(FBDEV,            fbdev);
+    REGISTER_INDEV   (GDIGRAB,          gdigrab);
+    REGISTER_INDEV   (IEC61883,         iec61883);
+    REGISTER_INDEV   (JACK,             jack);
+    REGISTER_INDEV   (KMSGRAB,          kmsgrab);
+    REGISTER_INDEV   (LAVFI,            lavfi);
+    REGISTER_INDEV   (OPENAL,           openal);
+    REGISTER_OUTDEV  (OPENGL,           opengl);
+    REGISTER_INOUTDEV(OSS,              oss);
+    REGISTER_INOUTDEV(PULSE,            pulse);
+    REGISTER_OUTDEV  (SDL2,             sdl2);
+    REGISTER_INOUTDEV(SNDIO,            sndio);
+    REGISTER_INOUTDEV(V4L2,             v4l2);
+    REGISTER_INDEV   (VFWCAP,           vfwcap);
+    REGISTER_INDEV   (XCBGRAB,          xcbgrab);
+    REGISTER_OUTDEV  (XV,               xv);
+
+    /* external libraries */
+    REGISTER_INDEV   (LIBCDIO,          libcdio);
+    REGISTER_INDEV   (LIBDC1394,        libdc1394);
 }
 
-AVOutputFormat *av_output_audio_device_next(AVOutputFormat *d)
+void avdevice_register_all(void)
 {
-    return device_next(d, 1, AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT,
-                       AV_CLASS_CATEGORY_DEVICE_OUTPUT);
-}
+    static AVOnce control = AV_ONCE_INIT;
 
-AVOutputFormat *av_output_video_device_next(AVOutputFormat *d)
-{
-    return device_next(d, 1, AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT,
-                       AV_CLASS_CATEGORY_DEVICE_OUTPUT);
+    ff_thread_once(&control, register_all);
 }
-FF_DISABLE_DEPRECATION_WARNINGS
-#endif
-
diff --git a/libavdevice/avdevice.c b/libavdevice/avdevice.c
index a42d3498b5..72e1b67887 100644
--- a/libavdevice/avdevice.c
+++ b/libavdevice/avdevice.c
@@ -78,6 +78,52 @@ const char * avdevice_license(void)
     return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
 }
 
+static void *device_next(void *prev, int output,
+                         AVClassCategory c1, AVClassCategory c2)
+{
+    const AVClass *pc;
+    AVClassCategory category = AV_CLASS_CATEGORY_NA;
+    do {
+        if (output) {
+            if (!(prev = av_oformat_next(prev)))
+                break;
+            pc = ((AVOutputFormat *)prev)->priv_class;
+        } else {
+            if (!(prev = av_iformat_next(prev)))
+                break;
+            pc = ((AVInputFormat *)prev)->priv_class;
+        }
+        if (!pc)
+            continue;
+        category = pc->category;
+    } while (category != c1 && category != c2);
+    return prev;
+}
+
+AVInputFormat *av_input_audio_device_next(AVInputFormat  *d)
+{
+    return device_next(d, 0, AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT,
+                       AV_CLASS_CATEGORY_DEVICE_INPUT);
+}
+
+AVInputFormat *av_input_video_device_next(AVInputFormat  *d)
+{
+    return device_next(d, 0, AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
+                       AV_CLASS_CATEGORY_DEVICE_INPUT);
+}
+
+AVOutputFormat *av_output_audio_device_next(AVOutputFormat *d)
+{
+    return device_next(d, 1, AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT,
+                       AV_CLASS_CATEGORY_DEVICE_OUTPUT);
+}
+
+AVOutputFormat *av_output_video_device_next(AVOutputFormat *d)
+{
+    return device_next(d, 1, AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT,
+                       AV_CLASS_CATEGORY_DEVICE_OUTPUT);
+}
+
 int avdevice_app_to_dev_control_message(struct AVFormatContext *s, enum AVAppToDevMessageType type,
                                         void *data, size_t data_size)
 {
diff --git a/libavdevice/avdevice.h b/libavdevice/avdevice.h
index dd6ad9365e..ee9462480e 100644
--- a/libavdevice/avdevice.h
+++ b/libavdevice/avdevice.h
@@ -66,29 +66,6 @@ const char *avdevice_configuration(void);
 const char *avdevice_license(void);
 
 /**
- * Iterate over all registered output devices.
- *
- * @param opaque a pointer where libavdevice will store the iteration state. Must
- *               point to NULL to start the iteration.
- *
- * @return the next registered output device or NULL when the iteration is
- *         finished
- */
-const AVOutputFormat *av_outdev_iterate(void **opaque);
-
-/**
- * Iterate over all registered input devices.
- *
- * @param opaque a pointer where libavdevice will store the iteration state. Must
- *               point to NULL to start the iteration.
- *
- * @return the next registered input device or NULL when the iteration is
- *         finished
- */
-const AVInputFormat *av_indev_iterate(void **opaque);
-
-#if FF_API_NEXT
-/**
  * Initialize libavdevice and register all the input and output devices.
  */
 void avdevice_register_all(void);
@@ -100,7 +77,6 @@ void avdevice_register_all(void);
  * if d is non-NULL, returns the next registered input audio/video device after d
  * or NULL if d is the last one.
  */
-attribute_deprecated
 AVInputFormat *av_input_audio_device_next(AVInputFormat  *d);
 
 /**
@@ -110,7 +86,6 @@ AVInputFormat *av_input_audio_device_next(AVInputFormat  *d);
  * if d is non-NULL, returns the next registered input audio/video device after d
  * or NULL if d is the last one.
  */
-attribute_deprecated
 AVInputFormat *av_input_video_device_next(AVInputFormat  *d);
 
 /**
@@ -120,7 +95,6 @@ AVInputFormat *av_input_video_device_next(AVInputFormat  *d);
  * if d is non-NULL, returns the next registered output audio/video device after d
  * or NULL if d is the last one.
  */
-attribute_deprecated
 AVOutputFormat *av_output_audio_device_next(AVOutputFormat *d);
 
 /**
@@ -130,9 +104,7 @@ AVOutputFormat *av_output_audio_device_next(AVOutputFormat *d);
  * if d is non-NULL, returns the next registered output audio/video device after d
  * or NULL if d is the last one.
  */
-attribute_deprecated
 AVOutputFormat *av_output_video_device_next(AVOutputFormat *d);
-#endif
 
 typedef struct AVDeviceRect {
     int x;      /**< x coordinate of top left corner */
diff --git a/libavdevice/version.h b/libavdevice/version.h
index 80285a2611..d605427bcb 100644
--- a/libavdevice/version.h
+++ b/libavdevice/version.h
@@ -47,8 +47,4 @@
  * the public API and may change, break or disappear at any time.
  */
 
-#ifndef FF_API_NEXT
-#define FF_API_NEXT              (LIBAVDEVICE_VERSION_MAJOR < 59)
-#endif
-
 #endif /* AVDEVICE_VERSION_H */
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 9dc5ce8a76..e748faf4e6 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -25,9 +25,6 @@
 #include "rdt.h"
 #include "url.h"
 #include "version.h"
-#if FF_API_NEXT
-#include "internal.h"
-#endif
 
 /* (de)muxers */
 extern AVOutputFormat ff_a64_muxer;
@@ -491,7 +488,6 @@ const AVOutputFormat *av_muxer_iterate(void **opaque)
 {
     uintptr_t i = (uintptr_t)*opaque;
     const AVOutputFormat *f = muxer_list[i];
-
     if (f)
         *opaque = (void*)(i + 1);
     return f;
@@ -510,9 +506,6 @@ const AVInputFormat *av_demuxer_iterate(void **opaque){
 FF_DISABLE_DEPRECATION_WARNINGS
 static AVOnce av_format_next_init = AV_ONCE_INIT;
 
-static const AVInputFormat * const *indev_list = NULL;
-static const AVOutputFormat * const *outdev_list = NULL;
-
 static void av_format_init_next(void)
 {
     AVOutputFormat *prevout = NULL, *out;
@@ -525,61 +518,30 @@ static void av_format_init_next(void)
         prevout = out;
     }
 
-    if (outdev_list) {
-        for (int j = 0; (out = (AVOutputFormat*)outdev_list[j]); j++) {
-            if (prevout)
-                prevout->next = out;
-            prevout = out;
-        }
-    }
-
     i = 0;
     while ((in = (AVInputFormat*)av_demuxer_iterate(&i))) {
         if (previn)
             previn->next = in;
         previn = in;
     }
-
-    if (indev_list) {
-        for (int j = 0; (in = (AVInputFormat*)indev_list[j]); j++) {
-            if (previn)
-                previn->next = in;
-            previn = in;
-        }
-    }
-
-}
-
-void avpriv_register_devices(const AVOutputFormat * const o[], const AVInputFormat * const i[])
-{
-    static AVMutex avpriv_register_devices_mutex = AV_MUTEX_INITIALIZER;
-    ff_mutex_lock(&avpriv_register_devices_mutex);
-    outdev_list = o;
-    indev_list = i;
-    av_format_init_next();
-    ff_mutex_unlock(&avpriv_register_devices_mutex);
 }
 
 AVInputFormat *av_iformat_next(const AVInputFormat *f)
 {
     ff_thread_once(&av_format_next_init, av_format_init_next);
-
     if (f)
         return f->next;
     else
-    /* If there are no demuxers but input devices, then return the first input device.
-     * This will still return null if both there are both no demuxers or input devices. */
-        return demuxer_list[0] ? (AVInputFormat*)demuxer_list[0] : (indev_list ? (AVInputFormat*)indev_list[0] : NULL);
+        return demuxer_list[0];
 }
 
 AVOutputFormat *av_oformat_next(const AVOutputFormat *f)
 {
     ff_thread_once(&av_format_next_init, av_format_init_next);
-
     if (f)
         return f->next;
     else
-        return muxer_list[0] ? (AVOutputFormat*)muxer_list[0] : (outdev_list ? (AVOutputFormat*)outdev_list[0] : NULL);
+        return muxer_list[0];
 }
 
 void av_register_all(void)
diff --git a/libavformat/format.c b/libavformat/format.c
index 75951938cf..123f5faf6c 100644
--- a/libavformat/format.c
+++ b/libavformat/format.c
@@ -129,18 +129,10 @@ enum AVCodecID av_guess_codec(AVOutputFormat *fmt, const char *short_name,
 AVInputFormat *av_find_input_format(const char *short_name)
 {
     AVInputFormat *fmt = NULL;
-#if FF_API_NEXT
-FF_DISABLE_DEPRECATION_WARNINGS
-    while ((fmt = av_iformat_next(fmt)))
-        if (av_match_name(short_name, fmt->name))
-            return fmt;
-FF_ENABLE_DEPRECATION_WARNINGS
-#else
     void *i = 0;
     while ((fmt = av_demuxer_iterate(&i)))
         if (av_match_name(short_name, fmt->name))
             return fmt;
-#endif
     return NULL;
 }
 
diff --git a/libavformat/internal.h b/libavformat/internal.h
index a020b1b417..619063097f 100644
--- a/libavformat/internal.h
+++ b/libavformat/internal.h
@@ -731,11 +731,4 @@ int ff_unlock_avformat(void);
  */
 void ff_format_set_url(AVFormatContext *s, char *url);
 
-#if FF_API_NEXT
-/**
-  * Register devices in deprecated format linked list.
-  */
-void avpriv_register_devices(const AVOutputFormat * const o[], const AVInputFormat * const i[]);
-#endif
-
 #endif /* AVFORMAT_INTERNAL_H */



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