ac3enc: add float_to_fixed24() with x86-optimized versions to AC3DSPContext

[ffmpeg] / libavcodec / parser.c

diff --git a/libavcodec/parser.c b/libavcodec/parser.c
index 0d1126d22f09ec306396f2e803d7309861cafd72..d877f5d41136119fdf8ed6def1758f310aa6c335 100644 (file)
--- a/libavcodec/parser.c
+++ b/libavcodec/parser.c
@@ -74,7 +74,7 @@ AVCodecParserContext *av_parser_init(int codec_id)
     s->fetch_timestamp=1;
     s->pict_type = FF_I_TYPE;
     s->key_frame = -1;
-    s->convergence_duration = AV_NOPTS_VALUE;
+    s->convergence_duration = 0;
     s->dts_sync_point       = INT_MIN;
     s->dts_ref_dts_delta    = INT_MIN;
     s->pts_dts_delta        = INT_MIN;
@@ -85,14 +85,17 @@ void ff_fetch_timestamp(AVCodecParserContext *s, int off, int remove){
     int i;
 
     s->dts= s->pts= AV_NOPTS_VALUE;
+    s->pos= -1;
     s->offset= 0;
     for(i = 0; i < AV_PARSER_PTS_NB; i++) {
         if (   s->cur_offset + off >= s->cur_frame_offset[i]
-            &&(s->     frame_offset       <  s->cur_frame_offset[i] || !s->frame_offset)
-            //check is disabled  becausue mpeg-ts doesnt send complete PES packets
+            && (s->frame_offset < s->cur_frame_offset[i] ||
+              (!s->frame_offset && !s->next_frame_offset)) // first field/frame
+            //check is disabled  because mpeg-ts doesnt send complete PES packets
             && /*s->next_frame_offset + off <*/  s->cur_frame_end[i]){
             s->dts= s->cur_frame_dts[i];
             s->pts= s->cur_frame_pts[i];
+            s->pos= s->cur_frame_pos[i];
             s->offset = s->next_frame_offset - s->cur_frame_offset[i];
             if(remove)
                 s->cur_frame_offset[i]= INT64_MAX;
@@ -125,21 +128,40 @@ void ff_fetch_timestamp(AVCodecParserContext *s, int off, int remove){
  *          decode_frame(data, size);
  *   }
  * @endcode
+ *
+ * @deprecated Use av_parser_parse2() instead.
  */
 int av_parser_parse(AVCodecParserContext *s,
                     AVCodecContext *avctx,
                     uint8_t **poutbuf, int *poutbuf_size,
                     const uint8_t *buf, int buf_size,
                     int64_t pts, int64_t dts)
+{
+    return av_parser_parse2(s, avctx, poutbuf, poutbuf_size, buf, buf_size, pts, dts, AV_NOPTS_VALUE);
+}
+
+int av_parser_parse2(AVCodecParserContext *s,
+                     AVCodecContext *avctx,
+                     uint8_t **poutbuf, int *poutbuf_size,
+                     const uint8_t *buf, int buf_size,
+                     int64_t pts, int64_t dts,
+                     int64_t pos)
 {
     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));
         buf = dummy_buf;
-    } else {
+    } else if (s->cur_offset + buf_size !=
+               s->cur_frame_end[s->cur_frame_start_index]) { /* skip remainder packets */
         /* add a new packet descriptor */
             i = (s->cur_frame_start_index + 1) & (AV_PARSER_PTS_NB - 1);
             s->cur_frame_start_index = i;
@@ -147,12 +169,14 @@ int av_parser_parse(AVCodecParserContext *s,
             s->cur_frame_end[i] = s->cur_offset + buf_size;
             s->cur_frame_pts[i] = pts;
             s->cur_frame_dts[i] = dts;
+            s->cur_frame_pos[i] = pos;
     }
 
     if (s->fetch_timestamp){
         s->fetch_timestamp=0;
         s->last_pts = s->pts;
         s->last_dts = s->dts;
+        s->last_pos = s->pos;
         ff_fetch_timestamp(s, 0, 0);
     }
 
@@ -226,7 +250,7 @@ void av_parser_close(AVCodecParserContext *s)
 
 /**
  * combines the (truncated) bitstream to a complete frame
- * @returns -1 if no complete frame could be created, AVERROR(ENOMEM) if there was a memory allocation error
+ * @return -1 if no complete frame could be created, AVERROR(ENOMEM) if there was a memory allocation error
  */
 int ff_combine_frame(ParseContext *pc, int next, const uint8_t **buf, int *buf_size)
 {