doc/general: mention BT20 decoder

[ffmpeg] / fftools / ffmpeg_opt.c

diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c
index 93b3d96205de3845bfd67ecba5f2c214707bdad5..9d1489ce0155876fd88739f6d4bfe18ccb1adc15 100644 (file)
--- a/fftools/ffmpeg_opt.c
+++ b/fftools/ffmpeg_opt.c
@@ -62,6 +62,7 @@ static const char *opt_name_hwaccels[]                  = {"hwaccel", NULL};
 static const char *opt_name_hwaccel_devices[]           = {"hwaccel_device", NULL};
 static const char *opt_name_hwaccel_output_formats[]    = {"hwaccel_output_format", NULL};
 static const char *opt_name_autorotate[]                = {"autorotate", NULL};
+static const char *opt_name_autoscale[]                 = {"autoscale", NULL};
 static const char *opt_name_max_frames[]                = {"frames", "aframes", "vframes", "dframes", NULL};
 static const char *opt_name_bitstream_filters[]         = {"bsf", "absf", "vbsf", NULL};
 static const char *opt_name_codec_tags[]                = {"tag", "atag", "vtag", "stag", NULL};
@@ -139,7 +140,6 @@ const HWAccel hwaccels[] = {
 #endif
     { 0 },
 };
-AVBufferRef *hw_device_ctx;
 HWDevice *filter_hw_device;
 
 char *vstats_filename;
@@ -263,8 +263,9 @@ static AVDictionary *strip_specifiers(AVDictionary *dict)
 static int opt_abort_on(void *optctx, const char *opt, const char *arg)
 {
     static const AVOption opts[] = {
-        { "abort_on"        , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
-        { "empty_output"    , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT     },    .unit = "flags" },
+        { "abort_on"           , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX,           .unit = "flags" },
+        { "empty_output"       , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT        }, .unit = "flags" },
+        { "empty_output_stream", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM }, .unit = "flags" },
         { NULL },
     };
     static const AVClass class = {
@@ -536,21 +537,15 @@ static int opt_sdp_file(void *optctx, const char *opt, const char *arg)
 #if CONFIG_VAAPI
 static int opt_vaapi_device(void *optctx, const char *opt, const char *arg)
 {
-    HWDevice *dev;
     const char *prefix = "vaapi:";
     char *tmp;
     int err;
     tmp = av_asprintf("%s%s", prefix, arg);
     if (!tmp)
         return AVERROR(ENOMEM);
-    err = hw_device_init_from_string(tmp, &dev);
+    err = hw_device_init_from_string(tmp, NULL);
     av_free(tmp);
-    if (err < 0)
-        return err;
-    hw_device_ctx = av_buffer_ref(dev->device_ref);
-    if (!hw_device_ctx)
-        return AVERROR(ENOMEM);
-    return 0;
+    return err;
 }
 #endif
 
@@ -1468,6 +1463,8 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
         ost->encoder_opts  = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc);
 
         MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
+        ost->autoscale = 1;
+        MATCH_PER_STREAM_OPT(autoscale, i, ost->autoscale, oc, st);
         if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
             do  {
                 buf = get_line(s);
@@ -1535,54 +1532,12 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
     MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
 
     MATCH_PER_STREAM_OPT(bitstream_filters, str, bsfs, oc, st);
-    while (bsfs && *bsfs) {
-        const AVBitStreamFilter *filter;
-        char *bsf, *bsf_options_str, *bsf_name;
-
-        bsf = av_get_token(&bsfs, ",");
-        if (!bsf)
-            exit_program(1);
-        bsf_name = av_strtok(bsf, "=", &bsf_options_str);
-        if (!bsf_name)
-            exit_program(1);
-
-        filter = av_bsf_get_by_name(bsf_name);
-        if (!filter) {
-            av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf_name);
-            exit_program(1);
-        }
-
-        ost->bsf_ctx = av_realloc_array(ost->bsf_ctx,
-                                        ost->nb_bitstream_filters + 1,
-                                        sizeof(*ost->bsf_ctx));
-        if (!ost->bsf_ctx)
-            exit_program(1);
-
-        ret = av_bsf_alloc(filter, &ost->bsf_ctx[ost->nb_bitstream_filters]);
+    if (bsfs && *bsfs) {
+        ret = av_bsf_list_parse_str(bsfs, &ost->bsf_ctx);
         if (ret < 0) {
-            av_log(NULL, AV_LOG_ERROR, "Error allocating a bitstream filter context\n");
+            av_log(NULL, AV_LOG_ERROR, "Error parsing bitstream filter sequence '%s': %s\n", bsfs, av_err2str(ret));
             exit_program(1);
         }
-
-        ost->nb_bitstream_filters++;
-
-        if (bsf_options_str && filter->priv_class) {
-            const AVOption *opt = av_opt_next(ost->bsf_ctx[ost->nb_bitstream_filters-1]->priv_data, NULL);
-            const char * shorthand[2] = {NULL};
-
-            if (opt)
-                shorthand[0] = opt->name;
-
-            ret = av_opt_set_from_string(ost->bsf_ctx[ost->nb_bitstream_filters-1]->priv_data, bsf_options_str, shorthand, "=", ":");
-            if (ret < 0) {
-                av_log(NULL, AV_LOG_ERROR, "Error parsing options for bitstream filter %s\n", bsf_name);
-                exit_program(1);
-            }
-        }
-        av_freep(&bsf);
-
-        if (*bsfs)
-            bsfs++;
     }
 
     MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
@@ -2432,12 +2387,14 @@ loop_end:
                    o->attachments[i]);
             exit_program(1);
         }
-        if (!(attachment = av_malloc(len))) {
-            av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
+        if (len > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE ||
+            !(attachment = av_malloc(len + AV_INPUT_BUFFER_PADDING_SIZE))) {
+            av_log(NULL, AV_LOG_FATAL, "Attachment %s too large.\n",
                    o->attachments[i]);
             exit_program(1);
         }
         avio_read(pb, attachment, len);
+        memset(attachment + len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
         ost = new_attachment_stream(o, oc, -1);
         ost->stream_copy               = 0;
@@ -3710,6 +3667,9 @@ const OptionDef options[] = {
     { "autorotate",       HAS_ARG | OPT_BOOL | OPT_SPEC |
                           OPT_EXPERT | OPT_INPUT,                                { .off = OFFSET(autorotate) },
         "automatically insert correct rotate filters" },
+    { "autoscale",        HAS_ARG | OPT_BOOL | OPT_SPEC |
+                          OPT_EXPERT | OPT_OUTPUT,                               { .off = OFFSET(autoscale) },
+        "automatically insert a scale filter at the end of the filter graph" },
 
     /* audio options */
     { "aframes",        OPT_AUDIO | HAS_ARG  | OPT_PERFILE | OPT_OUTPUT,           { .func_arg = opt_audio_frames },