X-Git-Url: https://git.piment-noir.org/?p=deb_ffmpeg.git;a=blobdiff_plain;f=ffmpeg%2Fcmdutils.c;h=b68dae97539d3c4acd29b3fda8bd9f978d28f21c;hp=1143ea10d1467df845ec3766b664adf165e4cd0f;hb=f6fa7814ccfe3e76514b36cf04f5cd3cb657c8cf;hpb=2ba45a602cbfa7b771effba9b11bb4245c21bc00

diff --git a/ffmpeg/cmdutils.c b/ffmpeg/cmdutils.c
index 1143ea1..b68dae9 100644
--- a/ffmpeg/cmdutils.c
+++ b/ffmpeg/cmdutils.c
@@ -444,7 +444,7 @@ int locate_option(int argc, char **argv, const OptionDef *options,
              (po->name && !strcmp(optname, po->name)))
             return i;
 
-        if (po->flags & HAS_ARG)
+        if (!po->name || po->flags & HAS_ARG)
             i++;
     }
     return 0;
@@ -959,9 +959,10 @@ static int init_report(const char *env)
 
     report_file = fopen(filename.str, "w");
     if (!report_file) {
+        int ret = AVERROR(errno);
         av_log(NULL, AV_LOG_ERROR, "Failed to open report \"%s\": %s\n",
                filename.str, strerror(errno));
-        return AVERROR(errno);
+        return ret;
     }
     av_log_set_callback(log_callback_report);
     av_log(NULL, AV_LOG_INFO,
@@ -1543,7 +1544,8 @@ int show_protocols(void *optctx, const char *opt, const char *arg)
 
 int show_filters(void *optctx, const char *opt, const char *arg)
 {
-    const AVFilter av_unused(*filter) = NULL;
+#if CONFIG_AVFILTER
+    const AVFilter *filter = NULL;
     char descr[64], *descr_cur;
     int i, j;
     const AVFilterPad *pad;
@@ -1556,7 +1558,6 @@ int show_filters(void *optctx, const char *opt, const char *arg)
            "  V = Video input/output\n"
            "  N = Dynamic number and/or type of input/output\n"
            "  | = Source or sink filter\n");
-#if CONFIG_AVFILTER
     while ((filter = avfilter_next(filter))) {
         descr_cur = descr;
         for (i = 0; i < 2; i++) {
@@ -1581,6 +1582,8 @@ int show_filters(void *optctx, const char *opt, const char *arg)
                filter->process_command                        ? 'C' : '.',
                filter->name, descr, filter->description);
     }
+#else
+    printf("No filters available: libavfilter disabled\n");
 #endif
     return 0;
 }
@@ -1861,17 +1864,19 @@ int cmdutils_read_file(const char *filename, char **bufptr, size_t *size)
     FILE *f = av_fopen_utf8(filename, "rb");
 
     if (!f) {
+        ret = AVERROR(errno);
         av_log(NULL, AV_LOG_ERROR, "Cannot read file '%s': %s\n", filename,
                strerror(errno));
-        return AVERROR(errno);
+        return ret;
     }
     fseek(f, 0, SEEK_END);
     *size = ftell(f);
     fseek(f, 0, SEEK_SET);
     if (*size == (size_t)-1) {
+        ret = AVERROR(errno);
         av_log(NULL, AV_LOG_ERROR, "IO error: %s\n", strerror(errno));
         fclose(f);
-        return AVERROR(errno);
+        return ret;
     }
     *bufptr = av_malloc(*size + 1);
     if (!*bufptr) {
@@ -1883,9 +1888,9 @@ int cmdutils_read_file(const char *filename, char **bufptr, size_t *size)
     if (ret < *size) {
         av_free(*bufptr);
         if (ferror(f)) {
+            ret = AVERROR(errno);
             av_log(NULL, AV_LOG_ERROR, "Error while reading file '%s': %s\n",
                    filename, strerror(errno));
-            ret = AVERROR(errno);
         } else
             ret = AVERROR_EOF;
     } else {
@@ -1992,7 +1997,7 @@ AVDictionary *filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id,
             switch (check_stream_specifier(s, st, p + 1)) {
             case  1: *p = 0; break;
             case  0:         continue;
-            default:         return NULL;
+            default:         exit_program(1);
             }
 
         if (av_opt_find(&cc, t->key, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ) ||
@@ -2050,3 +2055,184 @@ void *grow_array(void *array, int elem_size, int *size, int new_size)
     }
     return array;
 }
+
+#if CONFIG_AVDEVICE
+static int print_device_sources(AVInputFormat *fmt, AVDictionary *opts)
+{
+    int ret, i;
+    AVFormatContext *dev = NULL;
+    AVDeviceInfoList *device_list = NULL;
+    AVDictionary *tmp_opts = NULL;
+
+    if (!fmt || !fmt->priv_class  || !AV_IS_INPUT_DEVICE(fmt->priv_class->category))
+        return AVERROR(EINVAL);
+
+    printf("Audo-detected sources for %s:\n", fmt->name);
+    if (!fmt->get_device_list) {
+        ret = AVERROR(ENOSYS);
+        printf("Cannot list sources. Not implemented.\n");
+        goto fail;
+    }
+
+    /* TODO: avformat_open_input calls read_header callback which is not necessary.
+             Function like avformat_alloc_output_context2 for input could be helpful here. */
+    av_dict_copy(&tmp_opts, opts, 0);
+    if ((ret = avformat_open_input(&dev, NULL, fmt, &tmp_opts)) < 0) {
+        printf("Cannot open device: %s.\n", fmt->name);
+        goto fail;
+    }
+
+    if ((ret = avdevice_list_devices(dev, &device_list)) < 0) {
+        printf("Cannot list sources.\n");
+        goto fail;
+    }
+
+    for (i = 0; i < device_list->nb_devices; i++) {
+        printf("%s %s [%s]\n", device_list->default_device == i ? "*" : " ",
+               device_list->devices[i]->device_name, device_list->devices[i]->device_description);
+    }
+
+  fail:
+    av_dict_free(&tmp_opts);
+    avdevice_free_list_devices(&device_list);
+    avformat_close_input(&dev);
+    return ret;
+}
+
+static int print_device_sinks(AVOutputFormat *fmt, AVDictionary *opts)
+{
+    int ret, i;
+    AVFormatContext *dev = NULL;
+    AVDeviceInfoList *device_list = NULL;
+    AVDictionary *tmp_opts = NULL;
+
+    if (!fmt || !fmt->priv_class  || !AV_IS_OUTPUT_DEVICE(fmt->priv_class->category))
+        return AVERROR(EINVAL);
+
+    printf("Audo-detected sinks for %s:\n", fmt->name);
+    if (!fmt->get_device_list) {
+        ret = AVERROR(ENOSYS);
+        printf("Cannot list sinks. Not implemented.\n");
+        goto fail;
+    }
+
+    if ((ret = avformat_alloc_output_context2(&dev, fmt, NULL, NULL)) < 0) {
+        printf("Cannot open device: %s.\n", fmt->name);
+        goto fail;
+    }
+    av_dict_copy(&tmp_opts, opts, 0);
+    av_opt_set_dict2(dev, &tmp_opts, AV_OPT_SEARCH_CHILDREN);
+
+    if ((ret = avdevice_list_devices(dev, &device_list)) < 0) {
+        printf("Cannot list sinks.\n");
+        goto fail;
+    }
+
+    for (i = 0; i < device_list->nb_devices; i++) {
+        printf("%s %s [%s]\n", device_list->default_device == i ? "*" : " ",
+               device_list->devices[i]->device_name, device_list->devices[i]->device_description);
+    }
+
+  fail:
+    av_dict_free(&tmp_opts);
+    avdevice_free_list_devices(&device_list);
+    avformat_free_context(dev);
+    return ret;
+}
+
+static int show_sinks_sources_parse_arg(const char *arg, char **dev, AVDictionary **opts)
+{
+    int ret;
+    if (arg) {
+        char *opts_str = NULL;
+        av_assert0(dev && opts);
+        *dev = av_strdup(arg);
+        if (!*dev)
+            return AVERROR(ENOMEM);
+        if ((opts_str = strchr(*dev, ','))) {
+            *(opts_str++) = '\0';
+            if (opts_str[0] && ((ret = av_dict_parse_string(opts, opts_str, "=", ":", 0)) < 0)) {
+                av_freep(dev);
+                return ret;
+            }
+        }
+    } else
+        printf("\nDevice name is not provided.\n"
+                "You can pass devicename[,opt1=val1[,opt2=val2...]] as an argument.\n\n");
+    return 0;
+}
+
+int show_sources(void *optctx, const char *opt, const char *arg)
+{
+    AVInputFormat *fmt = NULL;
+    char *dev = NULL;
+    AVDictionary *opts = NULL;
+    int ret = 0;
+    int error_level = av_log_get_level();
+
+    av_log_set_level(AV_LOG_ERROR);
+
+    if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0)
+        goto fail;
+
+    do {
+        fmt = av_input_audio_device_next(fmt);
+        if (fmt) {
+            if (!strcmp(fmt->name, "lavfi"))
+                continue; //it's pointless to probe lavfi
+            if (dev && strcmp(fmt->name, dev))
+                continue;
+            print_device_sources(fmt, opts);
+        }
+    } while (fmt);
+    do {
+        fmt = av_input_video_device_next(fmt);
+        if (fmt) {
+            if (dev && strcmp(fmt->name, dev))
+                continue;
+            print_device_sources(fmt, opts);
+        }
+    } while (fmt);
+  fail:
+    av_dict_free(&opts);
+    av_free(dev);
+    av_log_set_level(error_level);
+    return ret;
+}
+
+int show_sinks(void *optctx, const char *opt, const char *arg)
+{
+    AVOutputFormat *fmt = NULL;
+    char *dev = NULL;
+    AVDictionary *opts = NULL;
+    int ret = 0;
+    int error_level = av_log_get_level();
+
+    av_log_set_level(AV_LOG_ERROR);
+
+    if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0)
+        goto fail;
+
+    do {
+        fmt = av_output_audio_device_next(fmt);
+        if (fmt) {
+            if (dev && strcmp(fmt->name, dev))
+                continue;
+            print_device_sinks(fmt, opts);
+        }
+    } while (fmt);
+    do {
+        fmt = av_output_video_device_next(fmt);
+        if (fmt) {
+            if (dev && strcmp(fmt->name, dev))
+                continue;
+            print_device_sinks(fmt, opts);
+        }
+    } while (fmt);
+  fail:
+    av_dict_free(&opts);
+    av_free(dev);
+    av_log_set_level(error_level);
+    return ret;
+}
+#endif