lavf: use a new ffio_wfourcc macro instead of put_tag() where possible

[ffmpeg] / cmdutils.h

diff --git a/cmdutils.h b/cmdutils.h
index 00f914cc9b88f256ed3d802efadca43a19cac676..c3d8a4245375c2aecd65d1d01bb50d42fa331b5a 100644 (file)
--- a/cmdutils.h
+++ b/cmdutils.h
@@ -37,8 +37,6 @@ extern const char program_name[];
  */
 extern const int program_birth_year;
 
-extern const int this_year;
-
 extern const char **opt_names;
 extern AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
 extern AVFormatContext *avformat_opts;
@@ -261,6 +259,26 @@ void init_pts_correction(PtsCorrectionContext *ctx);
  */
 int64_t guess_correct_pts(PtsCorrectionContext *ctx, int64_t pts, int64_t dts);
 
+/**
+ * Get a file corresponding to a preset file.
+ *
+ * If is_path is non-zero, look for the file in the path preset_name.
+ * Otherwise search for a file named arg.ffpreset in the directories
+ * $FFMPEG_DATADIR (if set), $HOME/.ffmpeg, and in the datadir defined
+ * at configuration time, in that order. If no such file is found and
+ * codec_name is defined, then search for a file named
+ * codec_name-preset_name.ffpreset in the above-mentioned directories.
+ *
+ * @param filename buffer where the name of the found filename is written
+ * @param filename_size size in bytes of the filename buffer
+ * @param preset_name name of the preset to search
+ * @param is_path tell if preset_name is a filename path
+ * @param codec_name name of the codec for which to look for the
+ * preset, may be NULL
+ */
+FILE *get_preset_file(char *filename, size_t filename_size,
+                      const char *preset_name, int is_path, const char *codec_name);
+
 #if CONFIG_AVFILTER
 #include "libavfilter/avfilter.h"
 
@@ -270,6 +288,15 @@ typedef struct {
 
 extern AVFilter ffsink;
 
+/**
+ * Extract a frame from sink.
+ *
+ * @return a negative error in case of failure, 1 if one frame has
+ * been extracted successfully.
+ */
+int get_filtered_video_frame(AVFilterContext *sink, AVFrame *frame,
+                             AVFilterBufferRef **picref, AVRational *pts_tb);
+
 #endif /* CONFIG_AVFILTER */
 
 #endif /* FFMPEG_CMDUTILS_H */