Merge remote-tracking branch 'qatar/master'

* qatar/master: (53 commits)
  probe: Restore identification of files with very large id3 tags and no extension.
  probe: Remove id3 tag presence as a criteria to do file extension checking.
  mpegts: MP4 SL support
  mpegts: MP4 OD support
  mpegts: Add support for Sections in PMT
  mpegts: Replace the MP4 descriptor parser with a recursive parser.
  mpegts: Add support for multiple mp4 descriptors
  mpegts: Parse mpeg2 SL descriptors.
  isom: Add MPEG4SYSTEMS dummy object type indication.
  aacdec: allow output reconfiguration on channel changes
  nellymoserenc: take float input samples instead of int16
  nellymoserdec: use dsp functions for overlap and windowing
  nellymoserdec: do not fail if there is extra data in the packet
  nellymoserdec: fail if output buffer is too small
  nellymoserdec: remove pointless buffer size check.
  lavf: add init_put_byte() to the list of visible symbols.
  seek-test: free options dictionary after use
  snow: do not draw_edge if emu_edge is set
  tools/pktdumper: update to recent avformat api
  seek-test: update to recent avformat api
  ...

Conflicts:
	doc/APIchanges
	libavcodec/mpegaudiodec.c
	libavcodec/nellymoserdec.c
	libavcodec/snow.c
	libavcodec/version.h
	libavcodec/wmadec.c
	libavformat/avformat.h
	libavformat/mpegts.c
	libavformat/mxfdec.c
	libavformat/utils.c
	libavformat/wtv.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 111 insertions, 25 deletions

diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 425198fcda..60ff6dcf03 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -523,8 +523,10 @@ typedef struct AVStream {
     AVRational r_frame_rate;
     void *priv_data;
 
+#if FF_API_REORDER_PRIVATE
     /* internal data used in av_find_stream_info() */
     int64_t first_dts;
+#endif
 
     /**
      * encoding: pts generation when outputting stream
@@ -539,7 +541,9 @@ typedef struct AVStream {
      * encoding: set by libavformat in av_write_header
      */
     AVRational time_base;
+#if FF_API_REORDER_PRIVATE
     int pts_wrap_bits; /**< number of bits in pts (used for wrapping control) */
+#endif
 #if FF_API_STREAM_COPY
     /* ffmpeg.c private use */
     attribute_deprecated int stream_copy; /**< If set, just copy stream. */
@@ -572,6 +576,7 @@ typedef struct AVStream {
      */
     int64_t duration;
 
+#if FF_API_REORDER_PRIVATE
     /* av_read_frame() support */
     enum AVStreamParseType need_parsing;
     struct AVCodecParserContext *parser;
@@ -584,14 +589,17 @@ typedef struct AVStream {
                                     support seeking natively. */
     int nb_index_entries;
     unsigned int index_entries_allocated_size;
+#endif
 
     int64_t nb_frames;                 ///< number of frames in this stream if known or 0
 
     int disposition; /**< AV_DISPOSITION_* bit field */
 
+#if FF_API_REORDER_PRIVATE
     AVProbeData probe_data;
 #define MAX_REORDER_DELAY 16
     int64_t pts_buffer[MAX_REORDER_DELAY+1];
+#endif
 
     /**
      * sample aspect ratio (0 if unknown)
@@ -602,6 +610,7 @@ typedef struct AVStream {
 
     AVDictionary *metadata;
 
+#if FF_API_REORDER_PRIVATE
     /* Intended mostly for av_read_frame() support. Not supposed to be used by */
     /* external applications; try to use something else if at all possible.    */
     const uint8_t *cur_ptr;
@@ -630,12 +639,21 @@ typedef struct AVStream {
      * used internally, NOT PART OF PUBLIC API, dont read or write from outside of libav*
      */
     struct AVPacketList *last_in_packet_buffer;
+#endif
 
     /**
      * Average framerate
      */
     AVRational avg_frame_rate;
 
+    /*****************************************************************
+     * All fields below this line are not part of the public API. They
+     * may not be used outside of libavformat and can be changed and
+     * removed at will.
+     * New public fields should be added right above.
+     *****************************************************************
+     */
+
     /**
      * Number of frames that have been demuxed during av_find_stream_info()
      */
@@ -665,6 +683,49 @@ typedef struct AVStream {
      * NOT PART OF PUBLIC API
      */
     int request_probe;
+#if !FF_API_REORDER_PRIVATE
+    const uint8_t *cur_ptr;
+    int cur_len;
+    AVPacket cur_pkt;
+
+    // Timestamp generation support:
+    /**
+     * Timestamp corresponding to the last dts sync point.
+     *
+     * Initialized when AVCodecParserContext.dts_sync_point >= 0 and
+     * a DTS is received from the underlying container. Otherwise set to
+     * AV_NOPTS_VALUE by default.
+     */
+    int64_t reference_dts;
+    int64_t first_dts;
+    int64_t cur_dts;
+    int last_IP_duration;
+    int64_t last_IP_pts;
+
+    /**
+     * Number of packets to buffer for codec probing
+     */
+#define MAX_PROBE_PACKETS 2500
+    int probe_packets;
+
+    /**
+     * last packet in packet_buffer for this stream when muxing.
+     */
+    struct AVPacketList *last_in_packet_buffer;
+    AVProbeData probe_data;
+#define MAX_REORDER_DELAY 16
+    int64_t pts_buffer[MAX_REORDER_DELAY+1];
+    /* av_read_frame() support */
+    enum AVStreamParseType need_parsing;
+    struct AVCodecParserContext *parser;
+
+    AVIndexEntry *index_entries; /**< Only used if the format does not
+                                    support seeking natively. */
+    int nb_index_entries;
+    unsigned int index_entries_allocated_size;
+
+    int pts_wrap_bits; /**< number of bits in pts (used for wrapping control) */
+#endif
 } AVStream;
 
 #define AV_PROGRAM_RUNNING 1
@@ -724,6 +785,7 @@ typedef struct AVFormatContext {
 #endif
 
     int ctx_flags; /**< Format-specific flags, see AVFMTCTX_xx */
+#if FF_API_REORDER_PRIVATE
     /* private data for pts handling (do not modify directly). */
     /**
      * This buffer is only needed when packets were already buffered but
@@ -731,6 +793,7 @@ typedef struct AVFormatContext {
      * streams.
      */
     struct AVPacketList *packet_buffer;
+#endif
 
     /**
      * Decoding: position of the first frame of the component, in
@@ -761,11 +824,13 @@ typedef struct AVFormatContext {
      */
     int bit_rate;
 
+#if FF_API_REORDER_PRIVATE
     /* av_read_frame() support */
     AVStream *cur_st;
 
     /* av_seek_frame() support */
     int64_t data_offset; /**< offset of the first packet */
+#endif
 
 #if FF_API_MUXRATE
     /**
@@ -876,6 +941,7 @@ typedef struct AVFormatContext {
     int debug;
 #define FF_FDEBUG_TS        0x0001
 
+#if FF_API_REORDER_PRIVATE
     /**
      * Raw packets from the demuxer, prior to parsing and decoding.
      * This buffer is used for buffering packets until the codec can
@@ -886,15 +952,18 @@ typedef struct AVFormatContext {
     struct AVPacketList *raw_packet_buffer_end;
 
     struct AVPacketList *packet_buffer_end;
+#endif
 
     AVDictionary *metadata;
 
+#if FF_API_REORDER_PRIVATE
     /**
      * Remaining size available for raw_packet_buffer, in bytes.
      * NOT PART OF PUBLIC API
      */
 #define RAW_PACKET_BUFFER_SIZE 2500000
     int raw_packet_buffer_remaining_size;
+#endif
 
     /**
      * Start time of the stream in real world time, in microseconds
@@ -923,6 +992,43 @@ typedef struct AVFormatContext {
      * This will be moved into demuxer private options. Thus no API/ABI compatibility
      */
     int ts_id;
+
+    /*****************************************************************
+     * All fields below this line are not part of the public API. They
+     * may not be used outside of libavformat and can be changed and
+     * removed at will.
+     * New public fields should be added right above.
+     *****************************************************************
+     */
+#if !FF_API_REORDER_PRIVATE
+    /**
+     * Raw packets from the demuxer, prior to parsing and decoding.
+     * This buffer is used for buffering packets until the codec can
+     * be identified, as parsing cannot be done without knowing the
+     * codec.
+     */
+    struct AVPacketList *raw_packet_buffer;
+    struct AVPacketList *raw_packet_buffer_end;
+    /**
+     * Remaining size available for raw_packet_buffer, in bytes.
+     */
+#define RAW_PACKET_BUFFER_SIZE 2500000
+    int raw_packet_buffer_remaining_size;
+
+    /**
+     * This buffer is only needed when packets were already buffered but
+     * not decoded, for example to get the codec parameters in MPEG
+     * streams.
+     */
+    struct AVPacketList *packet_buffer;
+    struct AVPacketList *packet_buffer_end;
+
+    /* av_read_frame() support */
+    AVStream *cur_st;
+
+    /* av_seek_frame() support */
+    int64_t data_offset; /**< offset of the first packet */
+#endif
 } AVFormatContext;
 
 typedef struct AVPacketList {
@@ -1479,40 +1585,20 @@ int av_index_search_timestamp(AVStream *st, int64_t timestamp, int flags);
 int av_add_index_entry(AVStream *st, int64_t pos, int64_t timestamp,
                        int size, int distance, int flags);
 
-/**
- * Perform a binary search using av_index_search_timestamp() and
- * AVInputFormat.read_timestamp().
- * This is not supposed to be called directly by a user application,
- * but by demuxers.
- * @param target_ts target timestamp in the time base of the given stream
- * @param stream_index stream number
- */
+#if FF_API_SEEK_PUBLIC
+attribute_deprecated
 int av_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
- */
+attribute_deprecated
 void av_update_cur_dts(AVFormatContext *s, AVStream *ref_st, int64_t timestamp);
-
-/**
- * Perform a binary search using read_timestamp().
- * This is not supposed to be called directly by a user application,
- * but by demuxers.
- * @param target_ts target timestamp in the time base of the given stream
- * @param stream_index stream number
- */
+attribute_deprecated
 int64_t av_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 ));
+#endif
 
 /**
  * media file output