1 files changed, 35 insertions, 5 deletions

diff --git a/libavcodec/raw.c b/libavcodec/raw.c
index 079d5c5d10..5efc1eb465 100644
--- a/libavcodec/raw.c
+++ b/libavcodec/raw.c
@@ -28,7 +28,7 @@
 #include "raw.h"
 #include "libavutil/common.h"
 
-const PixelFormatTag ff_raw_pix_fmt_tags[] = {
+static const PixelFormatTag raw_pix_fmt_tags[] = {
     { AV_PIX_FMT_YUV420P, MKTAG('I', '4', '2', '0') }, /* Planar formats */
     { AV_PIX_FMT_YUV420P, MKTAG('I', 'Y', 'U', 'V') },
     { AV_PIX_FMT_YUV420P, MKTAG('y', 'v', '1', '2') },
@@ -299,12 +299,12 @@ const PixelFormatTag ff_raw_pix_fmt_tags[] = {
 
 const struct PixelFormatTag *avpriv_get_raw_pix_fmt_tags(void)
 {
-    return ff_raw_pix_fmt_tags;
+    return raw_pix_fmt_tags;
 }
 
 unsigned int avcodec_pix_fmt_to_codec_tag(enum AVPixelFormat fmt)
 {
-    const PixelFormatTag *tags = ff_raw_pix_fmt_tags;
+    const PixelFormatTag *tags = raw_pix_fmt_tags;
     while (tags->pix_fmt >= 0) {
         if (tags->pix_fmt == fmt)
             return tags->fourcc;
@@ -313,7 +313,7 @@ unsigned int avcodec_pix_fmt_to_codec_tag(enum AVPixelFormat fmt)
     return 0;
 }
 
-const PixelFormatTag avpriv_pix_fmt_bps_avi[] = {
+static const PixelFormatTag pix_fmt_bps_avi[] = {
     { AV_PIX_FMT_PAL8,    1 },
     { AV_PIX_FMT_PAL8,    2 },
     { AV_PIX_FMT_PAL8,    4 },
@@ -326,7 +326,7 @@ const PixelFormatTag avpriv_pix_fmt_bps_avi[] = {
     { AV_PIX_FMT_NONE,    0 },
 };
 
-const PixelFormatTag avpriv_pix_fmt_bps_mov[] = {
+static const PixelFormatTag pix_fmt_bps_mov[] = {
     { AV_PIX_FMT_PAL8,      1 },
     { AV_PIX_FMT_PAL8,      2 },
     { AV_PIX_FMT_PAL8,      4 },
@@ -337,3 +337,33 @@ const PixelFormatTag avpriv_pix_fmt_bps_mov[] = {
     { AV_PIX_FMT_PAL8,     33 },
     { AV_PIX_FMT_NONE,      0 },
 };
+
+static enum AVPixelFormat find_pix_fmt(const PixelFormatTag *tags,
+                                       unsigned int fourcc)
+{
+    while (tags->pix_fmt != AV_PIX_FMT_NONE) {
+        if (tags->fourcc == fourcc)
+            return tags->pix_fmt;
+        tags++;
+    }
+    return AV_PIX_FMT_NONE;
+}
+
+enum AVPixelFormat avpriv_pix_fmt_find(enum PixelFormatTagLists list,
+                                       unsigned fourcc)
+{
+    const PixelFormatTag *tags;
+
+    switch (list) {
+    case PIX_FMT_LIST_RAW:
+        tags = raw_pix_fmt_tags;
+        break;
+    case PIX_FMT_LIST_AVI:
+        tags = pix_fmt_bps_avi;
+        break;
+    case PIX_FMT_LIST_MOV:
+        tags = pix_fmt_bps_mov;
+        break;
+    }
+    return find_pix_fmt(tags, fourcc);
+}