Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavformat / internal.h

diff --git a/libavformat/internal.h b/libavformat/internal.h
index a2e80f2de3e9f06f0393ac9cf252af6ed5e564fb..c8376f7dda162cb510f610e4ccf0202e5943b694 100644 (file)
--- a/libavformat/internal.h
+++ b/libavformat/internal.h
@@ -71,8 +71,9 @@ void ff_program_add_stream_index(AVFormatContext *ac, int progid, unsigned int i
 /**
  * Add packet to AVFormatContext->packet_buffer list, determining its
  * interleaved position using compare() function argument.
+ * @return 0, or < 0 on error
  */
-void ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
+int ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
                               int (*compare)(AVFormatContext *, AVPacket *, AVPacket *));
 
 void ff_read_frame_flush(AVFormatContext *s);
@@ -251,4 +252,58 @@ enum CodecID ff_guess_image2_codec(const char *filename);
  */
 int64_t ff_iso8601_to_unix_time(const char *datestr);
 
+/**
+ * Perform a binary search using av_index_search_timestamp() and
+ * AVInputFormat.read_timestamp().
+ *
+ * @param target_ts target timestamp in the time base of the given stream
+ * @param stream_index stream number
+ */
+int ff_seek_frame_binary(AVFormatContext *s, int stream_index,
+                         int64_t target_ts, int flags);
+
+/**
+ * Update cur_dts of all streams based on the given timestamp and AVStream.
+ *
+ * Stream ref_st unchanged, others set cur_dts in their native time base.
+ * Only needed for timestamp wrapping or if (dts not set and pts!=dts).
+ * @param timestamp new dts expressed in time_base of param ref_st
+ * @param ref_st reference stream giving time_base of param timestamp
+ */
+void ff_update_cur_dts(AVFormatContext *s, AVStream *ref_st, int64_t timestamp);
+
+/**
+ * Perform a binary search using read_timestamp().
+ *
+ * @param target_ts target timestamp in the time base of the given stream
+ * @param stream_index stream number
+ */
+int64_t ff_gen_search(AVFormatContext *s, int stream_index,
+                      int64_t target_ts, int64_t pos_min,
+                      int64_t pos_max, int64_t pos_limit,
+                      int64_t ts_min, int64_t ts_max,
+                      int flags, int64_t *ts_ret,
+                      int64_t (*read_timestamp)(struct AVFormatContext *, int , int64_t *, int64_t ));
+
+/**
+ * Set the pts for a given stream. If the new values would be invalid
+ * (<= 0), it leaves the AVStream unchanged.
+ *
+ * @param s stream
+ * @param pts_wrap_bits number of bits effectively used by the pts
+ *        (used for wrap control, 33 is the value for MPEG)
+ * @param pts_num numerator to convert to seconds (MPEG: 1)
+ * @param pts_den denominator to convert to seconds (MPEG: 90000)
+ */
+void avpriv_set_pts_info(AVStream *s, int pts_wrap_bits,
+                         unsigned int pts_num, unsigned int pts_den);
+
+/**
+ * Add side data to a packet for changing parameters to the given values.
+ * Parameters set to 0 aren't included in the change.
+ */
+int ff_add_param_change(AVPacket *pkt, int32_t channels,
+                        uint64_t channel_layout, int32_t sample_rate,
+                        int32_t width, int32_t height);
+
 #endif /* AVFORMAT_INTERNAL_H */