[MPlayer-cvslog] r28584 - trunk/libmpdemux/demux_real.c
zuxy
subversion at mplayerhq.hu
Sun Feb 15 11:50:27 CET 2009
Author: zuxy
Date: Sun Feb 15 11:50:26 2009
New Revision: 28584
Log:
Support seek in multirate RealMedia files.
Modified:
trunk/libmpdemux/demux_real.c
Modified: trunk/libmpdemux/demux_real.c
==============================================================================
--- trunk/libmpdemux/demux_real.c Sun Feb 15 09:46:18 2009 (r28583)
+++ trunk/libmpdemux/demux_real.c Sun Feb 15 11:50:26 2009 (r28584)
@@ -96,8 +96,6 @@ typedef struct {
int video_curpos; ///< Current file position for video demuxing
int a_num_of_packets; ///< Number of audio packets
int v_num_of_packets; ///< Number of video packets
- int a_idx_ptr; ///< Audio index position pointer
- int v_idx_ptr; ///< Video index position pointer
int a_bitrate; ///< Audio bitrate
int v_bitrate; ///< Video bitrate
int stream_switch; ///< Flag used to switch audio/video demuxing
@@ -583,9 +581,9 @@ static int demux_real_fill_buffer(demuxe
/* Handle audio/video demxing switch for multirate files (non-interleaved) */
if (priv->is_multirate && priv->stream_switch) {
- if (priv->a_idx_ptr >= priv->index_table_size[demuxer->audio->id])
+ if (priv->current_apacket >= priv->index_table_size[demuxer->audio->id])
demuxer->audio->eof = 1;
- if (priv->v_idx_ptr >= priv->index_table_size[demuxer->video->id])
+ if (priv->current_vpacket >= priv->index_table_size[demuxer->video->id])
demuxer->video->eof = 1;
if (demuxer->audio->eof && demuxer->video->eof)
return 0;
@@ -593,8 +591,8 @@ static int demux_real_fill_buffer(demuxe
stream_seek(demuxer->stream, priv->audio_curpos); // Get audio
else if (demuxer->audio->eof && !demuxer->video->eof)
stream_seek(demuxer->stream, priv->video_curpos); // Get video
- else if (priv->index_table[demuxer->audio->id][priv->a_idx_ptr].timestamp <
- priv->index_table[demuxer->video->id][priv->v_idx_ptr].timestamp)
+ else if (priv->index_table[demuxer->audio->id][priv->current_apacket].timestamp <
+ priv->index_table[demuxer->video->id][priv->current_vpacket].timestamp)
stream_seek(demuxer->stream, priv->audio_curpos); // Get audio
else
stream_seek(demuxer->stream, priv->video_curpos); // Get video
@@ -829,18 +827,15 @@ got_audio:
} // codec_id check, codec default case
}
// we will not use audio index if we use -idx and have a video
- if(!demuxer->video->sh && index_mode == 2 && (unsigned)demuxer->audio->id < MAX_STREAMS)
+ if(((!demuxer->video->sh && index_mode == 2) || priv->is_multirate) && (unsigned)demuxer->audio->id < MAX_STREAMS) {
while (priv->current_apacket + 1 < priv->index_table_size[demuxer->audio->id] &&
- timestamp > priv->index_table[demuxer->audio->id][priv->current_apacket].timestamp)
+ timestamp > priv->index_table[demuxer->audio->id][priv->current_apacket].timestamp) {
priv->current_apacket += 1;
-
- if(priv->is_multirate)
- while (priv->a_idx_ptr + 1 < priv->index_table_size[demuxer->audio->id] &&
- timestamp > priv->index_table[demuxer->audio->id][priv->a_idx_ptr + 1].timestamp) {
- priv->a_idx_ptr++;
- priv->audio_curpos = stream_tell(demuxer->stream);
priv->stream_switch = 1;
}
+ if (priv->stream_switch)
+ priv->audio_curpos = stream_tell(demuxer->stream);
+ }
// If we're reordering audio packets and we need more data get it
if (audioreorder_getnextpk)
@@ -1029,19 +1024,16 @@ got_video:
if(len>0) stream_skip(demuxer->stream, len);
}
}
- if ((unsigned)demuxer->video->id < MAX_STREAMS)
+ if ((unsigned)demuxer->video->id < MAX_STREAMS) {
while (priv->current_vpacket + 1 < priv->index_table_size[demuxer->video->id] &&
- timestamp > priv->index_table[demuxer->video->id][priv->current_vpacket + 1].timestamp)
+ timestamp > priv->index_table[demuxer->video->id][priv->current_vpacket + 1].timestamp) {
priv->current_vpacket += 1;
-
- if(priv->is_multirate)
- while (priv->v_idx_ptr + 1 < priv->index_table_size[demuxer->video->id] &&
- timestamp > priv->index_table[demuxer->video->id][priv->v_idx_ptr + 1].timestamp) {
- priv->v_idx_ptr++;
- priv->video_curpos = stream_tell(demuxer->stream);
priv->stream_switch = 1;
}
-
+ if (priv->stream_switch)
+ priv->video_curpos = stream_tell(demuxer->stream);
+ }
+
return 1;
}
@@ -1722,9 +1714,6 @@ header_end:
break;
}
- if(priv->is_multirate)
- demuxer->seekable = 0; // No seeking yet for multirate streams
-
// detect streams:
if(demuxer->video->id==-1 && v_streams>0){
// find the valid video stream:
@@ -1826,7 +1815,7 @@ static void demux_seek_real(demuxer_t *d
break;
}
}
- else if (rel_seek_secs < 0)
+ else if (rel_seek_secs < 0) {
while ((cur_timestamp - priv->index_table[vid][priv->current_vpacket].timestamp) < - rel_seek_secs * 1000){
priv->current_vpacket -= 1;
if (priv->current_vpacket < 0) {
@@ -1834,12 +1823,16 @@ static void demux_seek_real(demuxer_t *d
break;
}
}
- next_offset = priv->index_table[vid][priv->current_vpacket].offset;
- priv->audio_need_keyframe = 1;
+ }
+ priv->video_curpos = priv->index_table[vid][priv->current_vpacket].offset;
+ priv->audio_need_keyframe = !priv->is_multirate;
priv->video_after_seek = 1;
}
- else if (streams & 2) {
- cur_timestamp = priv->index_table[aid][priv->current_apacket].timestamp;
+ if (streams & 2) {
+ if (!(streams & 1)) {
+ cur_timestamp =
+ priv->index_table[aid][priv->current_apacket].timestamp;
+ }
if (rel_seek_secs > 0)
while ((priv->index_table[aid][priv->current_apacket].timestamp - cur_timestamp) < rel_seek_secs * 1000){
priv->current_apacket += 1;
@@ -1856,9 +1849,10 @@ static void demux_seek_real(demuxer_t *d
break;
}
}
- next_offset = priv->index_table[aid][priv->current_apacket].offset;
+ priv->audio_curpos = priv->index_table[aid][priv->current_apacket].offset;
}
// }
+ next_offset = streams & 1 ? priv->video_curpos : priv->audio_curpos;
// printf("seek: pos: %d, current packets: a: %d, v: %d\n",
// next_offset, priv->current_apacket, priv->current_vpacket);
if (next_offset)
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