lavf: move ff_codec_get_tag() and ff_codec_get_id() definitions to internal.h

[ffmpeg] / libavfilter / formats.c

diff --git a/libavfilter/formats.c b/libavfilter/formats.c
index 06567c4d2f45023ad417da09149d248a49f63454..3b890d2bdae7668a523c8a5a2fc8750d72665746 100644 (file)
--- a/libavfilter/formats.c
+++ b/libavfilter/formats.c
@@ -19,6 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/common.h"
 #include "libavutil/pixdesc.h"
 #include "avfilter.h"
 #include "internal.h"
@@ -76,7 +77,7 @@ do {
     MERGE_REF(ret, b, fmts, type, fail);                                        \
 } while (0)
 
-AVFilterFormats *avfilter_merge_formats(AVFilterFormats *a, AVFilterFormats *b)
+AVFilterFormats *ff_merge_formats(AVFilterFormats *a, AVFilterFormats *b)
 {
     AVFilterFormats *ret = NULL;
 
@@ -154,14 +155,14 @@ int ff_fmt_is_in(int fmt, const int *fmts)
 {
     const int *p;
 
-    for (p = fmts; *p != PIX_FMT_NONE; p++) {
+    for (p = fmts; *p != AV_PIX_FMT_NONE; p++) {
         if (fmt == *p)
             return 1;
     }
     return 0;
 }
 
-AVFilterFormats *avfilter_make_format_list(const int *fmts)
+AVFilterFormats *ff_make_format_list(const int *fmts)
 {
     AVFilterFormats *formats;
     int count;
@@ -195,7 +196,7 @@ do {                                                        \
     return 0;                                               \
 } while (0)
 
-int avfilter_add_format(AVFilterFormats **avff, int fmt)
+int ff_add_format(AVFilterFormats **avff, int fmt)
 {
     ADD_FORMAT(avff, fmt, int, formats, format_count);
 }
@@ -205,17 +206,31 @@ int ff_add_channel_layout(AVFilterChannelLayouts **l, uint64_t channel_layout)
     ADD_FORMAT(l, channel_layout, uint64_t, channel_layouts, nb_channel_layouts);
 }
 
-AVFilterFormats *avfilter_all_formats(enum AVMediaType type)
+AVFilterFormats *ff_all_formats(enum AVMediaType type)
 {
     AVFilterFormats *ret = NULL;
     int fmt;
-    int num_formats = type == AVMEDIA_TYPE_VIDEO ? PIX_FMT_NB    :
+    int num_formats = type == AVMEDIA_TYPE_VIDEO ? AV_PIX_FMT_NB    :
                       type == AVMEDIA_TYPE_AUDIO ? AV_SAMPLE_FMT_NB : 0;
 
-    for (fmt = 0; fmt < num_formats; fmt++)
+    for (fmt = 0; fmt < num_formats; fmt++) {
+        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
         if ((type != AVMEDIA_TYPE_VIDEO) ||
-            (type == AVMEDIA_TYPE_VIDEO && !(av_pix_fmt_descriptors[fmt].flags & PIX_FMT_HWACCEL)))
-            avfilter_add_format(&ret, fmt);
+            (type == AVMEDIA_TYPE_VIDEO && !(desc->flags & PIX_FMT_HWACCEL)))
+            ff_add_format(&ret, fmt);
+    }
+
+    return ret;
+}
+
+AVFilterFormats *ff_planar_sample_fmts(void)
+{
+    AVFilterFormats *ret = NULL;
+    int fmt;
+
+    for (fmt = 0; fmt < AV_SAMPLE_FMT_NB; fmt++)
+        if (av_sample_fmt_is_planar(fmt))
+            ff_add_format(&ret, fmt);
 
     return ret;
 }
@@ -244,7 +259,7 @@ void ff_channel_layouts_ref(AVFilterChannelLayouts *f, AVFilterChannelLayouts **
     FORMATS_REF(f, ref);
 }
 
-void avfilter_formats_ref(AVFilterFormats *f, AVFilterFormats **ref)
+void ff_formats_ref(AVFilterFormats *f, AVFilterFormats **ref)
 {
     FORMATS_REF(f, ref);
 }
@@ -280,7 +295,7 @@ do {                                                               \
     *ref = NULL;                                                   \
 } while (0)
 
-void avfilter_formats_unref(AVFilterFormats **ref)
+void ff_formats_unref(AVFilterFormats **ref)
 {
     FORMATS_UNREF(ref, formats);
 }
@@ -309,8 +324,71 @@ void ff_channel_layouts_changeref(AVFilterChannelLayouts **oldref,
     FORMATS_CHANGEREF(oldref, newref);
 }
 
-void avfilter_formats_changeref(AVFilterFormats **oldref,
-                                AVFilterFormats **newref)
+void ff_formats_changeref(AVFilterFormats **oldref, AVFilterFormats **newref)
 {
     FORMATS_CHANGEREF(oldref, newref);
 }
+
+#define SET_COMMON_FORMATS(ctx, fmts, in_fmts, out_fmts, ref, list) \
+{                                                                   \
+    int count = 0, i;                                               \
+                                                                    \
+    for (i = 0; i < ctx->nb_inputs; i++) {                          \
+        if (ctx->inputs[i]) {                                       \
+            ref(fmts, &ctx->inputs[i]->out_fmts);                   \
+            count++;                                                \
+        }                                                           \
+    }                                                               \
+    for (i = 0; i < ctx->nb_outputs; i++) {                         \
+        if (ctx->outputs[i]) {                                      \
+            ref(fmts, &ctx->outputs[i]->in_fmts);                   \
+            count++;                                                \
+        }                                                           \
+    }                                                               \
+                                                                    \
+    if (!count) {                                                   \
+        av_freep(&fmts->list);                                      \
+        av_freep(&fmts->refs);                                      \
+        av_freep(&fmts);                                            \
+    }                                                               \
+}
+
+void ff_set_common_channel_layouts(AVFilterContext *ctx,
+                                   AVFilterChannelLayouts *layouts)
+{
+    SET_COMMON_FORMATS(ctx, layouts, in_channel_layouts, out_channel_layouts,
+                       ff_channel_layouts_ref, channel_layouts);
+}
+
+void ff_set_common_samplerates(AVFilterContext *ctx,
+                               AVFilterFormats *samplerates)
+{
+    SET_COMMON_FORMATS(ctx, samplerates, in_samplerates, out_samplerates,
+                       ff_formats_ref, formats);
+}
+
+/**
+ * A helper for query_formats() which sets all links to the same list of
+ * formats. If there are no links hooked to this filter, the list of formats is
+ * freed.
+ */
+void ff_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats)
+{
+    SET_COMMON_FORMATS(ctx, formats, in_formats, out_formats,
+                       ff_formats_ref, formats);
+}
+
+int ff_default_query_formats(AVFilterContext *ctx)
+{
+    enum AVMediaType type = ctx->inputs  && ctx->inputs [0] ? ctx->inputs [0]->type :
+                            ctx->outputs && ctx->outputs[0] ? ctx->outputs[0]->type :
+                            AVMEDIA_TYPE_VIDEO;
+
+    ff_set_common_formats(ctx, ff_all_formats(type));
+    if (type == AVMEDIA_TYPE_AUDIO) {
+        ff_set_common_channel_layouts(ctx, ff_all_channel_layouts());
+        ff_set_common_samplerates(ctx, ff_all_samplerates());
+    }
+
+    return 0;
+}