[SCM] libav/experimental: Fix index_entries pos: It was being set wrong for files with data_offset > 0

siretart at users.alioth.debian.org siretart at users.alioth.debian.org
Sun Jun 30 17:16:26 UTC 2013


The following commit has been merged in the experimental branch:
commit 59cb40b92194c272c4d097c702a46f90edb94958
Author: Michael Chinen <mchinen at gmail.com>
Date:   Mon Sep 27 22:17:58 2010 +0000

    Fix index_entries pos:
    It was being set wrong for files with data_offset > 0
    
    Patch by Michael Chinen, mchinen gmail
    
    Originally committed as revision 25239 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 64a5583..9f88899 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -3738,6 +3738,8 @@ typedef struct AVCodecParserContext {
     int flags;
 #define PARSER_FLAG_COMPLETE_FRAMES           0x0001
 #define PARSER_FLAG_ONCE                      0x0002
+/// Set if the parser has a valid file offset
+#define PARSER_FLAG_FETCHED_OFFSET            0x0004
 
     int64_t offset;      ///< byte offset from starting packet start
     int64_t cur_frame_end[AV_PARSER_PTS_NB];
diff --git a/libavcodec/parser.c b/libavcodec/parser.c
index 1aa8651..d877f5d 100644
--- a/libavcodec/parser.c
+++ b/libavcodec/parser.c
@@ -150,6 +150,12 @@ int av_parser_parse2(AVCodecParserContext *s,
     int index, i;
     uint8_t dummy_buf[FF_INPUT_BUFFER_PADDING_SIZE];
 
+    if(!(s->flags & PARSER_FLAG_FETCHED_OFFSET)) {
+        s->next_frame_offset =
+        s->cur_offset        = pos;
+        s->flags |= PARSER_FLAG_FETCHED_OFFSET;
+    }
+
     if (buf_size == 0) {
         /* padding is always necessary even if EOF, so we add it here */
         memset(dummy_buf, 0, sizeof(dummy_buf));
diff --git a/libavformat/utils.c b/libavformat/utils.c
index a445e0b..24dbd88 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -1159,10 +1159,6 @@ static int av_read_frame_internal(AVFormatContext *s, AVPacket *pkt)
                 }else if(st->need_parsing == AVSTREAM_PARSE_FULL_ONCE){
                     st->parser->flags |= PARSER_FLAG_ONCE;
                 }
-                if(st->parser && (s->iformat->flags & AVFMT_GENERIC_INDEX)){
-                    st->parser->next_frame_offset=
-                    st->parser->cur_offset= st->cur_pkt.pos;
-                }
             }
         }
     }

-- 
Libav/FFmpeg packaging



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