]> git.sesse.net Git - ffmpeg/blobdiff - libavfilter/avfilter.c
rtsp: Support mpegts in raw udp packets
[ffmpeg] / libavfilter / avfilter.c
index febc12ff15a8bc90d18d6d1f64b192cfc7e47806..d302264137f383dab3f0b625dd419fac64b31642 100644 (file)
@@ -44,9 +44,9 @@ const char *avfilter_license(void)
     return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1;
 }
 
-void avfilter_insert_pad(unsigned idx, unsigned *count, size_t padidx_off,
-                         AVFilterPad **pads, AVFilterLink ***links,
-                         AVFilterPad *newpad)
+void ff_insert_pad(unsigned idx, unsigned *count, size_t padidx_off,
+                   AVFilterPad **pads, AVFilterLink ***links,
+                   AVFilterPad *newpad)
 {
     unsigned i;
 
@@ -70,8 +70,8 @@ int avfilter_link(AVFilterContext *src, unsigned srcpad,
 {
     AVFilterLink *link;
 
-    if (src->output_count <= srcpad || dst->input_count <= dstpad ||
-        src->outputs[srcpad]        || dst->inputs[dstpad])
+    if (src->nb_outputs <= srcpad || dst->nb_inputs <= dstpad ||
+        src->outputs[srcpad]      || dst->inputs[dstpad])
         return -1;
 
     if (src->output_pads[srcpad].type != dst->input_pads[dstpad].type) {
@@ -101,7 +101,7 @@ int avfilter_insert_filter(AVFilterLink *link, AVFilterContext *filt,
     int ret;
     unsigned dstpad_idx = link->dstpad - link->dst->input_pads;
 
-    av_log(link->dst, AV_LOG_INFO, "auto-inserting filter '%s' "
+    av_log(link->dst, AV_LOG_VERBOSE, "auto-inserting filter '%s' "
            "between the filter '%s' and the filter '%s'\n",
            filt->name, link->src->name, link->dst->name);
 
@@ -120,10 +120,10 @@ int avfilter_insert_filter(AVFilterLink *link, AVFilterContext *filt,
     /* if any information on supported media formats already exists on the
      * link, we need to preserve that */
     if (link->out_formats)
-        avfilter_formats_changeref(&link->out_formats,
+        ff_formats_changeref(&link->out_formats,
                                    &filt->outputs[filt_dstpad_idx]->out_formats);
     if (link->out_samplerates)
-        avfilter_formats_changeref(&link->out_samplerates,
+        ff_formats_changeref(&link->out_samplerates,
                                    &filt->outputs[filt_dstpad_idx]->out_samplerates);
     if (link->out_channel_layouts)
         ff_channel_layouts_changeref(&link->out_channel_layouts,
@@ -138,7 +138,7 @@ int avfilter_config_links(AVFilterContext *filter)
     unsigned i;
     int ret;
 
-    for (i = 0; i < filter->input_count; i ++) {
+    for (i = 0; i < filter->nb_inputs; i ++) {
         AVFilterLink *link = filter->inputs[i];
 
         if (!link) continue;
@@ -155,22 +155,50 @@ int avfilter_config_links(AVFilterContext *filter)
             if ((ret = avfilter_config_links(link->src)) < 0)
                 return ret;
 
-            if (!(config_link = link->srcpad->config_props))
-                config_link  = avfilter_default_config_output_link;
-            if ((ret = config_link(link)) < 0)
+            if (!(config_link = link->srcpad->config_props)) {
+                if (link->src->nb_inputs != 1) {
+                    av_log(link->src, AV_LOG_ERROR, "Source filters and filters "
+                                                    "with more than one input "
+                                                    "must set config_props() "
+                                                    "callbacks on all outputs\n");
+                    return AVERROR(EINVAL);
+                }
+            } else if ((ret = config_link(link)) < 0) {
+                av_log(link->src, AV_LOG_ERROR,
+                       "Failed to configure output pad on %s\n",
+                       link->src->name);
                 return ret;
+            }
 
             if (link->time_base.num == 0 && link->time_base.den == 0)
-                link->time_base = link->src && link->src->input_count ?
+                link->time_base = link->src && link->src->nb_inputs ?
                     link->src->inputs[0]->time_base : AV_TIME_BASE_Q;
 
-            if (link->sample_aspect_ratio.num == 0 && link->sample_aspect_ratio.den == 0)
-                link->sample_aspect_ratio = link->src->input_count ?
-                    link->src->inputs[0]->sample_aspect_ratio : (AVRational){1,1};
+            if (link->type == AVMEDIA_TYPE_VIDEO) {
+                if (!link->sample_aspect_ratio.num && !link->sample_aspect_ratio.den)
+                    link->sample_aspect_ratio = link->src->nb_inputs ?
+                        link->src->inputs[0]->sample_aspect_ratio : (AVRational){1,1};
+
+                if (link->src->nb_inputs) {
+                    if (!link->w)
+                        link->w = link->src->inputs[0]->w;
+                    if (!link->h)
+                        link->h = link->src->inputs[0]->h;
+                } else if (!link->w || !link->h) {
+                    av_log(link->src, AV_LOG_ERROR,
+                           "Video source filters must set their output link's "
+                           "width and height\n");
+                    return AVERROR(EINVAL);
+                }
+            }
 
             if ((config_link = link->dstpad->config_props))
-                if ((ret = config_link(link)) < 0)
+                if ((ret = config_link(link)) < 0) {
+                    av_log(link->src, AV_LOG_ERROR,
+                           "Failed to configure input pad on %s\n",
+                           link->dst->name);
                     return ret;
+                }
 
             link->init_state = AVLINK_INIT;
         }
@@ -179,20 +207,6 @@ int avfilter_config_links(AVFilterContext *filter)
     return 0;
 }
 
-#ifdef DEBUG
-static char *ff_get_ref_perms_string(char *buf, size_t buf_size, int perms)
-{
-    snprintf(buf, buf_size, "%s%s%s%s%s%s",
-             perms & AV_PERM_READ      ? "r" : "",
-             perms & AV_PERM_WRITE     ? "w" : "",
-             perms & AV_PERM_PRESERVE  ? "p" : "",
-             perms & AV_PERM_REUSE     ? "u" : "",
-             perms & AV_PERM_REUSE2    ? "U" : "",
-             perms & AV_PERM_NEG_LINESIZES ? "n" : "");
-    return buf;
-}
-#endif
-
 void ff_dlog_link(void *ctx, AVFilterLink *link, int end)
 {
     if (link->type == AVMEDIA_TYPE_VIDEO) {
@@ -208,7 +222,7 @@ void ff_dlog_link(void *ctx, AVFilterLink *link, int end)
         av_get_channel_layout_string(buf, sizeof(buf), -1, link->channel_layout);
 
         av_dlog(ctx,
-                "link[%p r:%"PRId64" cl:%s fmt:%-16s %-16s->%-16s]%s",
+                "link[%p r:%d cl:%s fmt:%-16s %-16s->%-16s]%s",
                 link, link->sample_rate, buf,
                 av_get_sample_fmt_name(link->format),
                 link->src ? link->src->filter->name : "",
@@ -217,29 +231,29 @@ void ff_dlog_link(void *ctx, AVFilterLink *link, int end)
     }
 }
 
-int avfilter_request_frame(AVFilterLink *link)
+int ff_request_frame(AVFilterLink *link)
 {
     FF_DPRINTF_START(NULL, request_frame); ff_dlog_link(NULL, link, 1);
 
     if (link->srcpad->request_frame)
         return link->srcpad->request_frame(link);
     else if (link->src->inputs[0])
-        return avfilter_request_frame(link->src->inputs[0]);
+        return ff_request_frame(link->src->inputs[0]);
     else return -1;
 }
 
-int avfilter_poll_frame(AVFilterLink *link)
+int ff_poll_frame(AVFilterLink *link)
 {
     int i, min = INT_MAX;
 
     if (link->srcpad->poll_frame)
         return link->srcpad->poll_frame(link);
 
-    for (i = 0; i < link->src->input_count; i++) {
+    for (i = 0; i < link->src->nb_inputs; i++) {
         int val;
         if (!link->src->inputs[i])
             return -1;
-        val = avfilter_poll_frame(link->src->inputs[i]);
+        val = ff_poll_frame(link->src->inputs[i]);
         min = FFMIN(min, val);
     }
 
@@ -325,27 +339,31 @@ int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *in
             goto err;
     }
 
-    ret->input_count  = pad_count(filter->inputs);
-    if (ret->input_count) {
-        ret->input_pads   = av_malloc(sizeof(AVFilterPad) * ret->input_count);
+    ret->nb_inputs = pad_count(filter->inputs);
+    if (ret->nb_inputs ) {
+        ret->input_pads   = av_malloc(sizeof(AVFilterPad) * ret->nb_inputs);
         if (!ret->input_pads)
             goto err;
-        memcpy(ret->input_pads, filter->inputs, sizeof(AVFilterPad) * ret->input_count);
-        ret->inputs       = av_mallocz(sizeof(AVFilterLink*) * ret->input_count);
+        memcpy(ret->input_pads, filter->inputs, sizeof(AVFilterPad) * ret->nb_inputs);
+        ret->inputs       = av_mallocz(sizeof(AVFilterLink*) * ret->nb_inputs);
         if (!ret->inputs)
             goto err;
     }
 
-    ret->output_count = pad_count(filter->outputs);
-    if (ret->output_count) {
-        ret->output_pads  = av_malloc(sizeof(AVFilterPad) * ret->output_count);
+    ret->nb_outputs = pad_count(filter->outputs);
+    if (ret->nb_outputs) {
+        ret->output_pads  = av_malloc(sizeof(AVFilterPad) * ret->nb_outputs);
         if (!ret->output_pads)
             goto err;
-        memcpy(ret->output_pads, filter->outputs, sizeof(AVFilterPad) * ret->output_count);
-        ret->outputs      = av_mallocz(sizeof(AVFilterLink*) * ret->output_count);
+        memcpy(ret->output_pads, filter->outputs, sizeof(AVFilterPad) * ret->nb_outputs);
+        ret->outputs      = av_mallocz(sizeof(AVFilterLink*) * ret->nb_outputs);
         if (!ret->outputs)
             goto err;
     }
+#if FF_API_FOO_COUNT
+    ret->output_count = ret->nb_outputs;
+    ret->input_count  = ret->nb_inputs;
+#endif
 
     *filter_ctx = ret;
     return 0;
@@ -353,10 +371,10 @@ int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *in
 err:
     av_freep(&ret->inputs);
     av_freep(&ret->input_pads);
-    ret->input_count = 0;
+    ret->nb_inputs = 0;
     av_freep(&ret->outputs);
     av_freep(&ret->output_pads);
-    ret->output_count = 0;
+    ret->nb_outputs = 0;
     av_freep(&ret->priv);
     av_free(ret);
     return AVERROR(ENOMEM);
@@ -370,27 +388,27 @@ void avfilter_free(AVFilterContext *filter)
     if (filter->filter->uninit)
         filter->filter->uninit(filter);
 
-    for (i = 0; i < filter->input_count; i++) {
+    for (i = 0; i < filter->nb_inputs; i++) {
         if ((link = filter->inputs[i])) {
             if (link->src)
                 link->src->outputs[link->srcpad - link->src->output_pads] = NULL;
-            avfilter_formats_unref(&link->in_formats);
-            avfilter_formats_unref(&link->out_formats);
-            avfilter_formats_unref(&link->in_samplerates);
-            avfilter_formats_unref(&link->out_samplerates);
+            ff_formats_unref(&link->in_formats);
+            ff_formats_unref(&link->out_formats);
+            ff_formats_unref(&link->in_samplerates);
+            ff_formats_unref(&link->out_samplerates);
             ff_channel_layouts_unref(&link->in_channel_layouts);
             ff_channel_layouts_unref(&link->out_channel_layouts);
         }
         av_freep(&link);
     }
-    for (i = 0; i < filter->output_count; i++) {
+    for (i = 0; i < filter->nb_outputs; i++) {
         if ((link = filter->outputs[i])) {
             if (link->dst)
                 link->dst->inputs[link->dstpad - link->dst->input_pads] = NULL;
-            avfilter_formats_unref(&link->in_formats);
-            avfilter_formats_unref(&link->out_formats);
-            avfilter_formats_unref(&link->in_samplerates);
-            avfilter_formats_unref(&link->out_samplerates);
+            ff_formats_unref(&link->in_formats);
+            ff_formats_unref(&link->out_formats);
+            ff_formats_unref(&link->in_samplerates);
+            ff_formats_unref(&link->out_samplerates);
             ff_channel_layouts_unref(&link->in_channel_layouts);
             ff_channel_layouts_unref(&link->out_channel_layouts);
         }
@@ -411,6 +429,16 @@ int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque
     int ret=0;
 
     if (filter->filter->init)
-        ret = filter->filter->init(filter, args, opaque);
+        ret = filter->filter->init(filter, args);
     return ret;
 }
+
+const char *avfilter_pad_get_name(AVFilterPad *pads, int pad_idx)
+{
+    return pads[pad_idx].name;
+}
+
+enum AVMediaType avfilter_pad_get_type(AVFilterPad *pads, int pad_idx)
+{
+    return pads[pad_idx].type;
+}