mirror of
https://github.com/mpv-player/mpv
synced 2024-12-26 17:12:36 +00:00
9c2d44923a
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@21437 b3059339-0415-0410-9bf9-f77b7e298cf2
1916 lines
67 KiB
C
1916 lines
67 KiB
C
/*
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Real parser & demuxer
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(C) Alex Beregszaszi
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(C) 2005, 2006 Roberto Togni
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Based on FFmpeg's libav/rm.c.
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Audio codecs: (supported by RealPlayer8 for Linux)
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DNET - RealAudio 3.0, really it's AC3 in swapped-byteorder
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SIPR - SiproLab's audio codec, ACELP decoder working with MPlayer,
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needs fine-tuning too :)
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ATRC - RealAudio 8 (ATRAC3) - www.minidisc.org/atrac3_article.pdf,
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ACM decoder uploaded, needs some fine-tuning to work
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-> RealAudio 8
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COOK/COKR - Real Cooker -> RealAudio G2
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Video codecs: (supported by RealPlayer8 for Linux)
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RV10 - H.263 based, working with libavcodec's decoder
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RV20-RV40 - using RealPlayer's codec plugins
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "config.h"
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#include "mp_msg.h"
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#include "help_mp.h"
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#include "stream.h"
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#include "demuxer.h"
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#include "stheader.h"
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#ifdef USE_LIBAVCODEC_SO
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#include <ffmpeg/avcodec.h>
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#elif defined(USE_LIBAVCODEC)
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#include "libavcodec/avcodec.h"
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#else
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#define FF_INPUT_BUFFER_PADDING_SIZE 8
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#endif
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//#define mp_dbg(mod,lev, args... ) mp_msg_c((mod<<8)|lev, ## args )
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#define MKTAG(a, b, c, d) (a | (b << 8) | (c << 16) | (d << 24))
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#define MAX_STREAMS 32
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static unsigned char sipr_swaps[38][2]={
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{0,63},{1,22},{2,44},{3,90},{5,81},{7,31},{8,86},{9,58},{10,36},{12,68},
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{13,39},{14,73},{15,53},{16,69},{17,57},{19,88},{20,34},{21,71},{24,46},
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{25,94},{26,54},{28,75},{29,50},{32,70},{33,92},{35,74},{38,85},{40,56},
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{42,87},{43,65},{45,59},{48,79},{49,93},{51,89},{55,95},{61,76},{67,83},
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{77,80} };
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typedef struct {
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unsigned int timestamp;
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int offset;
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// int packetno;
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// int len; /* only filled by our index generator */
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// int flags; /* only filled by our index generator */
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} real_index_table_t;
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typedef struct {
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/* for seeking */
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int index_chunk_offset;
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real_index_table_t *index_table[MAX_STREAMS];
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// int *index_table[MAX_STREAMS];
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int index_table_size[MAX_STREAMS];
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int index_malloc_size[MAX_STREAMS];
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int data_chunk_offset;
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int num_of_packets;
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int current_packet;
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// need for seek
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int audio_need_keyframe;
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int video_after_seek;
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int current_apacket;
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int current_vpacket;
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// timestamp correction:
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int64_t kf_base;// timestamp of the prev. video keyframe
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unsigned int kf_pts; // timestamp of next video keyframe
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unsigned int a_pts; // previous audio timestamp
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double v_pts; // previous video timestamp
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unsigned long duration;
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/* stream id table */
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// int last_a_stream;
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// int a_streams[MAX_STREAMS];
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// int last_v_stream;
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// int v_streams[MAX_STREAMS];
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/**
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* Used to demux multirate files
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*/
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int is_multirate; ///< != 0 for multirate files
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int str_data_offset[MAX_STREAMS]; ///< Data chunk offset for every audio/video stream
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int audio_curpos; ///< Current file position for audio demuxing
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int video_curpos; ///< Current file position for video demuxing
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int a_num_of_packets; ///< Number of audio packets
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int v_num_of_packets; ///< Number of video packets
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int a_idx_ptr; ///< Audio index position pointer
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int v_idx_ptr; ///< Video index position pointer
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int a_bitrate; ///< Audio bitrate
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int v_bitrate; ///< Video bitrate
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int stream_switch; ///< Flag used to switch audio/video demuxing
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/**
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* Used to reorder audio data
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*/
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int sub_packet_size[MAX_STREAMS]; ///< sub packet size, per stream
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int sub_packet_h[MAX_STREAMS]; ///< number of coded frames per block
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int coded_framesize[MAX_STREAMS]; ///< coded frame size, per stream
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int audiopk_size[MAX_STREAMS]; ///< audio packet size
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unsigned char *audio_buf; ///< place to store reordered audio data
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double *audio_timestamp; ///< timestamp for each audio packet
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int sub_packet_cnt; ///< number of subpacket already received
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int audio_filepos; ///< file position of first audio packet in block
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} real_priv_t;
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//! use at most 200 MB of memory for index, corresponds to around 25 million entries
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#define MAX_INDEX_ENTRIES (200*1024*1024 / sizeof(real_index_table_t))
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/* originally from FFmpeg */
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static void get_str(int isbyte, demuxer_t *demuxer, char *buf, int buf_size)
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{
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int len;
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if (isbyte)
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len = stream_read_char(demuxer->stream);
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else
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len = stream_read_word(demuxer->stream);
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stream_read(demuxer->stream, buf, (len > buf_size) ? buf_size : len);
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if (len > buf_size)
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stream_skip(demuxer->stream, len-buf_size);
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mp_msg(MSGT_DEMUX, MSGL_V, "read_str: %d bytes read\n", len);
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}
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static void skip_str(int isbyte, demuxer_t *demuxer)
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{
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int len;
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if (isbyte)
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len = stream_read_char(demuxer->stream);
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else
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len = stream_read_word(demuxer->stream);
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stream_skip(demuxer->stream, len);
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mp_msg(MSGT_DEMUX, MSGL_V, "skip_str: %d bytes skipped\n", len);
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}
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static void dump_index(demuxer_t *demuxer, int stream_id)
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{
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real_priv_t *priv = demuxer->priv;
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real_index_table_t *index;
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int i, entries;
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if ( mp_msg_test(MSGT_DEMUX,MSGL_V) )
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return;
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if ((unsigned)stream_id >= MAX_STREAMS)
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return;
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index = priv->index_table[stream_id];
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entries = priv->index_table_size[stream_id];
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mp_msg(MSGT_DEMUX, MSGL_V, "Index table for stream %d\n", stream_id);
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for (i = 0; i < entries; i++)
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{
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#if 1
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mp_msg(MSGT_DEMUX, MSGL_V,"i: %d, pos: %d, timestamp: %u\n", i, index[i].offset, index[i].timestamp);
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#else
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mp_msg(MSGT_DEMUX, MSGL_V,"packetno: %x pos: %x len: %x timestamp: %x flags: %x\n",
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index[i].packetno, index[i].offset, index[i].len, index[i].timestamp,
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index[i].flags);
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#endif
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}
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}
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static int parse_index_chunk(demuxer_t *demuxer)
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{
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real_priv_t *priv = demuxer->priv;
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int origpos = stream_tell(demuxer->stream);
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int next_header_pos = priv->index_chunk_offset;
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int i, entries, stream_id;
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read_index:
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stream_seek(demuxer->stream, next_header_pos);
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i = stream_read_dword_le(demuxer->stream);
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if ((i == -256) || (i != MKTAG('I', 'N', 'D', 'X')))
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{
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mp_msg(MSGT_DEMUX, MSGL_WARN,"Something went wrong, no index chunk found on given address (%d)\n",
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next_header_pos);
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index_mode = -1;
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if (i == -256)
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stream_reset(demuxer->stream);
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stream_seek(demuxer->stream, origpos);
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return 0;
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//goto end;
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}
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mp_msg(MSGT_DEMUX, MSGL_V,"Reading index table from index chunk (%d)\n",
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next_header_pos);
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i = stream_read_dword(demuxer->stream);
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mp_msg(MSGT_DEMUX, MSGL_V,"size: %d bytes\n", i);
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i = stream_read_word(demuxer->stream);
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if (i != 0)
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mp_msg(MSGT_DEMUX, MSGL_WARN,"Hmm, index table with unknown version (%d), please report it to MPlayer developers!\n", i);
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entries = stream_read_dword(demuxer->stream);
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mp_msg(MSGT_DEMUX, MSGL_V,"entries: %d\n", entries);
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stream_id = stream_read_word(demuxer->stream);
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mp_msg(MSGT_DEMUX, MSGL_V,"stream_id: %d\n", stream_id);
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next_header_pos = stream_read_dword(demuxer->stream);
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mp_msg(MSGT_DEMUX, MSGL_V,"next_header_pos: %d\n", next_header_pos);
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if (entries <= 0 || entries > MAX_INDEX_ENTRIES)
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{
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if (next_header_pos)
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goto read_index;
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i = entries;
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goto end;
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}
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priv->index_table_size[stream_id] = entries;
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priv->index_table[stream_id] = calloc(priv->index_table_size[stream_id], sizeof(real_index_table_t));
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for (i = 0; i < entries; i++)
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{
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stream_skip(demuxer->stream, 2); /* version */
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priv->index_table[stream_id][i].timestamp = stream_read_dword(demuxer->stream);
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priv->index_table[stream_id][i].offset = stream_read_dword(demuxer->stream);
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stream_skip(demuxer->stream, 4); /* packetno */
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// priv->index_table[stream_id][i].packetno = stream_read_dword(demuxer->stream);
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// printf("Index table: Stream#%d: entry: %d: pos: %d\n",
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// stream_id, i, priv->index_table[stream_id][i].offset);
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}
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dump_index(demuxer, stream_id);
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if (next_header_pos > 0)
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goto read_index;
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end:
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if (i == -256)
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stream_reset(demuxer->stream);
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stream_seek(demuxer->stream, origpos);
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if (i == -256)
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return 0;
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else
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return 1;
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}
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#if 1
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static void add_index_item(demuxer_t *demuxer, int stream_id, unsigned int timestamp, int offset)
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{
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if ((unsigned)stream_id < MAX_STREAMS)
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{
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real_priv_t *priv = demuxer->priv;
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real_index_table_t *index;
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if (priv->index_table_size[stream_id] >= MAX_INDEX_ENTRIES) {
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mp_msg(MSGT_DEMUXER, MSGL_WARN, "Index too large during building\n");
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return;
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}
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if (priv->index_table_size[stream_id] >= priv->index_malloc_size[stream_id])
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{
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if (priv->index_malloc_size[stream_id] == 0)
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priv->index_malloc_size[stream_id] = 2048;
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else
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priv->index_malloc_size[stream_id] += priv->index_malloc_size[stream_id] / 2;
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// in case we have a really large chunk...
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if (priv->index_table_size[stream_id] >=
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priv->index_malloc_size[stream_id])
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priv->index_malloc_size[stream_id] =
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priv->index_table_size[stream_id] + 1;
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priv->index_table[stream_id] = realloc(priv->index_table[stream_id], priv->index_malloc_size[stream_id]*sizeof(priv->index_table[0][0]));
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}
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if (priv->index_table_size[stream_id] > 0)
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{
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index = &priv->index_table[stream_id][priv->index_table_size[stream_id] - 1];
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if (index->timestamp >= timestamp || index->offset >= offset)
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return;
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}
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index = &priv->index_table[stream_id][priv->index_table_size[stream_id]++];
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index->timestamp = timestamp;
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index->offset = offset;
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}
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}
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static void add_index_segment(demuxer_t *demuxer, int seek_stream_id, int64_t seek_timestamp)
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{
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int tag, len, stream_id, flags;
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unsigned int timestamp;
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if (seek_timestamp != -1 && (unsigned)seek_stream_id >= MAX_STREAMS)
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return;
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while (1)
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{
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demuxer->filepos = stream_tell(demuxer->stream);
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tag = stream_read_dword(demuxer->stream);
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if (tag == MKTAG('A', 'T', 'A', 'D'))
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{
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stream_skip(demuxer->stream, 14);
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continue; /* skip to next loop */
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}
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len = tag & 0xffff;
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if (tag == -256 || len < 12)
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break;
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stream_id = stream_read_word(demuxer->stream);
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timestamp = stream_read_dword(demuxer->stream);
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stream_skip(demuxer->stream, 1); /* reserved */
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flags = stream_read_char(demuxer->stream);
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if (flags == -256)
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break;
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if (flags & 2)
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{
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add_index_item(demuxer, stream_id, timestamp, demuxer->filepos);
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if (stream_id == seek_stream_id && timestamp >= seek_timestamp)
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{
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stream_seek(demuxer->stream, demuxer->filepos);
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return;
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}
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}
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// printf("Index: stream=%d packet=%d timestamp=%u len=%d flags=0x%x datapos=0x%x\n", stream_id, entries, timestamp, len, flags, index->offset);
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/* skip data */
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stream_skip(demuxer->stream, len-12);
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}
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}
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static int generate_index(demuxer_t *demuxer)
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{
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real_priv_t *priv = demuxer->priv;
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int origpos = stream_tell(demuxer->stream);
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int data_pos = priv->data_chunk_offset-10;
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int i;
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int tag;
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stream_seek(demuxer->stream, data_pos);
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tag = stream_read_dword(demuxer->stream);
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if (tag != MKTAG('A', 'T', 'A', 'D'))
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{
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mp_msg(MSGT_DEMUX, MSGL_WARN,"Something went wrong, no data chunk found on given address (%d)\n", data_pos);
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}
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else
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{
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stream_skip(demuxer->stream, 14);
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add_index_segment(demuxer, -1, -1);
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}
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for (i = 0; i < MAX_STREAMS; i++)
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{
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if (priv->index_table_size[i] > 0)
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{
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dump_index(demuxer, i);
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}
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}
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stream_reset(demuxer->stream);
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stream_seek(demuxer->stream, origpos);
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return 0;
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}
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#else
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static int generate_index(demuxer_t *demuxer)
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{
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real_priv_t *priv = demuxer->priv;
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int origpos = stream_tell(demuxer->stream);
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int data_pos = priv->data_chunk_offset-10;
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int num_of_packets = 0;
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int i, entries = 0;
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int len, stream_id = 0, flags;
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unsigned int timestamp;
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int tab_pos = 0;
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read_index:
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stream_seek(demuxer->stream, data_pos);
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i = stream_read_dword_le(demuxer->stream);
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if ((i == -256) || (i != MKTAG('D', 'A', 'T', 'A')))
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{
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mp_msg(MSGT_DEMUX, MSGL_WARN,"Something went wrong, no data chunk found on given address (%d)\n",
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data_pos);
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goto end;
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}
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stream_skip(demuxer->stream, 4); /* chunk size */
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stream_skip(demuxer->stream, 2); /* version */
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num_of_packets = stream_read_dword(demuxer->stream);
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mp_msg(MSGT_DEMUX, MSGL_V,"Generating index table from raw data (pos: 0x%x) for %d packets\n",
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data_pos, num_of_packets);
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data_pos = stream_read_dword_le(demuxer->stream)-10; /* next data chunk */
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for (i = 0; i < MAX_STREAMS; i++)
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{
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priv->index_table_size[i] = num_of_packets;
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priv->index_table[i] = calloc(priv->index_table_size[i], sizeof(real_index_table_t));
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// priv->index_table[stream_id] = realloc(priv->index_table[stream_id],
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// priv->index_table_size[stream_id] * sizeof(real_index_table_t));
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}
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tab_pos = 0;
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// memset(priv->index_table_size, 0, sizeof(int)*MAX_STREAMS);
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// memset(priv->index_table, 0, sizeof(real_index_table_t)*MAX_STREAMS);
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while (tab_pos < num_of_packets)
|
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{
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i = stream_read_char(demuxer->stream);
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if (i == -256)
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goto end;
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stream_skip(demuxer->stream, 1);
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// stream_skip(demuxer->stream, 2); /* version */
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len = stream_read_word(demuxer->stream);
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stream_id = stream_read_word(demuxer->stream);
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timestamp = stream_read_dword(demuxer->stream);
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stream_skip(demuxer->stream, 1); /* reserved */
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flags = stream_read_char(demuxer->stream);
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i = tab_pos;
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// priv->index_table_size[stream_id] = i;
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// if (priv->index_table[stream_id] == NULL)
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// priv->index_table[stream_id] = malloc(priv->index_table_size[stream_id] * sizeof(real_index_table_t));
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// else
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// priv->index_table[stream_id] = realloc(priv->index_table[stream_id],
|
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// priv->index_table_size[stream_id] * sizeof(real_index_table_t));
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priv->index_table[stream_id][i].timestamp = timestamp;
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priv->index_table[stream_id][i].offset = stream_tell(demuxer->stream)-12;
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priv->index_table[stream_id][i].len = len;
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priv->index_table[stream_id][i].packetno = entries;
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priv->index_table[stream_id][i].flags = flags;
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tab_pos++;
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|
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/* skip data */
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stream_skip(demuxer->stream, len-12);
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}
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dump_index(demuxer, stream_id);
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if (data_pos)
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goto read_index;
|
|
|
|
end:
|
|
if (i == -256)
|
|
stream_reset(demuxer->stream);
|
|
stream_seek(demuxer->stream, origpos);
|
|
if (i == -256)
|
|
return 0;
|
|
else
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
|
|
static int real_check_file(demuxer_t* demuxer)
|
|
{
|
|
real_priv_t *priv;
|
|
int c;
|
|
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Checking for REAL\n");
|
|
|
|
c = stream_read_dword_le(demuxer->stream);
|
|
if (c == -256)
|
|
return 0; /* EOF */
|
|
if (c != MKTAG('.', 'R', 'M', 'F'))
|
|
return 0; /* bad magic */
|
|
|
|
priv = malloc(sizeof(real_priv_t));
|
|
memset(priv, 0, sizeof(real_priv_t));
|
|
demuxer->priv = priv;
|
|
|
|
return DEMUXER_TYPE_REAL;
|
|
}
|
|
|
|
void hexdump(char *, unsigned long);
|
|
|
|
#define SKIP_BITS(n) buffer<<=n
|
|
#define SHOW_BITS(n) ((buffer)>>(32-(n)))
|
|
|
|
static double real_fix_timestamp(real_priv_t* priv, unsigned char* s, unsigned int timestamp, double frametime, unsigned int format){
|
|
double v_pts;
|
|
uint32_t buffer= (s[0]<<24) + (s[1]<<16) + (s[2]<<8) + s[3];
|
|
unsigned int kf=timestamp;
|
|
int pict_type;
|
|
unsigned int orig_kf;
|
|
|
|
#if 1
|
|
if(format==mmioFOURCC('R','V','3','0') || format==mmioFOURCC('R','V','4','0')){
|
|
if(format==mmioFOURCC('R','V','3','0')){
|
|
SKIP_BITS(3);
|
|
pict_type= SHOW_BITS(2);
|
|
SKIP_BITS(2 + 7);
|
|
}else{
|
|
SKIP_BITS(1);
|
|
pict_type= SHOW_BITS(2);
|
|
SKIP_BITS(2 + 7 + 3);
|
|
}
|
|
orig_kf=
|
|
kf= SHOW_BITS(13); // kf= 2*SHOW_BITS(12);
|
|
// if(pict_type==0)
|
|
if(pict_type<=1){
|
|
// I frame, sync timestamps:
|
|
priv->kf_base=(int64_t)timestamp-kf;
|
|
mp_msg(MSGT_DEMUX, MSGL_DBG2,"\nTS: base=%08X\n",priv->kf_base);
|
|
kf=timestamp;
|
|
} else {
|
|
// P/B frame, merge timestamps:
|
|
int64_t tmp=(int64_t)timestamp-priv->kf_base;
|
|
kf|=tmp&(~0x1fff); // combine with packet timestamp
|
|
if(kf<tmp-4096) kf+=8192; else // workaround wrap-around problems
|
|
if(kf>tmp+4096) kf-=8192;
|
|
kf+=priv->kf_base;
|
|
}
|
|
if(pict_type != 3){ // P || I frame -> swap timestamps
|
|
unsigned int tmp=kf;
|
|
kf=priv->kf_pts;
|
|
priv->kf_pts=tmp;
|
|
// if(kf<=tmp) kf=0;
|
|
}
|
|
mp_msg(MSGT_DEMUX, MSGL_DBG2,"\nTS: %08X -> %08X (%04X) %d %02X %02X %02X %02X %5u\n",timestamp,kf,orig_kf,pict_type,s[0],s[1],s[2],s[3],kf-(unsigned int)(1000.0*priv->v_pts));
|
|
}
|
|
#endif
|
|
v_pts=kf*0.001f;
|
|
// if(v_pts<priv->v_pts || !kf) v_pts=priv->v_pts+frametime;
|
|
priv->v_pts=v_pts;
|
|
return v_pts;
|
|
}
|
|
|
|
typedef struct dp_hdr_s {
|
|
uint32_t chunks; // number of chunks
|
|
uint32_t timestamp; // timestamp from packet header
|
|
uint32_t len; // length of actual data
|
|
uint32_t chunktab; // offset to chunk offset array
|
|
} dp_hdr_t;
|
|
|
|
// return value:
|
|
// 0 = EOF or no stream found
|
|
// 1 = successfully read a packet
|
|
static int demux_real_fill_buffer(demuxer_t *demuxer, demux_stream_t *dsds)
|
|
{
|
|
real_priv_t *priv = demuxer->priv;
|
|
demux_stream_t *ds = NULL;
|
|
int len;
|
|
unsigned int timestamp;
|
|
int stream_id;
|
|
#ifdef CRACK_MATRIX
|
|
int i;
|
|
#endif
|
|
int flags;
|
|
int version;
|
|
int reserved;
|
|
demux_packet_t *dp;
|
|
int x, sps, cfs, sph, spc, w;
|
|
int audioreorder_getnextpk = 0;
|
|
|
|
// Don't demux video if video codec init failed
|
|
if (demuxer->video->id >= 0 && !demuxer->video->sh)
|
|
demuxer->video->id = -2;
|
|
|
|
while(!stream_eof(demuxer->stream)){
|
|
|
|
/* 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])
|
|
demuxer->audio->eof = 1;
|
|
if (priv->v_idx_ptr >= priv->index_table_size[demuxer->video->id])
|
|
demuxer->video->eof = 1;
|
|
if (demuxer->audio->eof && demuxer->video->eof)
|
|
return 0;
|
|
else if (!demuxer->audio->eof && demuxer->video->eof)
|
|
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)
|
|
stream_seek(demuxer->stream, priv->audio_curpos); // Get audio
|
|
else
|
|
stream_seek(demuxer->stream, priv->video_curpos); // Get video
|
|
priv->stream_switch = 0;
|
|
}
|
|
|
|
demuxer->filepos = stream_tell(demuxer->stream);
|
|
version = stream_read_word(demuxer->stream); /* version */
|
|
len = stream_read_word(demuxer->stream);
|
|
if ((version==0x4441) && (len==0x5441)) { // new data chunk
|
|
mp_msg(MSGT_DEMUX,MSGL_INFO,"demux_real: New data chunk is coming!!!\n");
|
|
if (priv->is_multirate)
|
|
return 0; // EOF
|
|
stream_skip(demuxer->stream,14);
|
|
demuxer->filepos = stream_tell(demuxer->stream);
|
|
version = stream_read_word(demuxer->stream); /* version */
|
|
len = stream_read_word(demuxer->stream);
|
|
} else if ((version == 0x494e) && (len == 0x4458)) {
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"demux_real: Found INDX chunk. EOF.\n");
|
|
demuxer->stream->eof=1;
|
|
return 0;
|
|
}
|
|
|
|
|
|
if (len == -256){ /* EOF */
|
|
// printf("len==-256!\n");
|
|
return 0;
|
|
}
|
|
if (len < 12){
|
|
mp_msg(MSGT_DEMUX, MSGL_V,"%08X: packet v%d len=%d \n",(int)demuxer->filepos,(int)version,(int)len);
|
|
mp_msg(MSGT_DEMUX, MSGL_WARN,"bad packet len (%d)\n", len);
|
|
stream_skip(demuxer->stream, len);
|
|
continue; //goto loop;
|
|
}
|
|
|
|
stream_id = stream_read_word(demuxer->stream);
|
|
timestamp = stream_read_dword(demuxer->stream);
|
|
reserved = stream_read_char(demuxer->stream);
|
|
flags = stream_read_char(demuxer->stream);
|
|
/* flags: */
|
|
/* 0x1 - reliable */
|
|
/* 0x2 - keyframe */
|
|
|
|
if (version == 1) {
|
|
int tmp;
|
|
tmp = stream_read_char(demuxer->stream);
|
|
mp_msg(MSGT_DEMUX, MSGL_DBG2,"Version: %d, skipped byte is %d\n", version, tmp);
|
|
len--;
|
|
}
|
|
|
|
if (flags & 2)
|
|
add_index_item(demuxer, stream_id, timestamp, demuxer->filepos);
|
|
|
|
// printf("%08X: packet v%d len=%4d id=%d pts=%6d rvd=%d flags=%d \n",
|
|
// (int)demuxer->filepos,(int)version,(int)len, stream_id,
|
|
// (int) timestamp, reserved, flags);
|
|
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG2, "\npacket#%d: pos: 0x%0x, len: %d, id: %d, pts: %u, flags: %x rvd:%d\n",
|
|
priv->current_packet, (int)demuxer->filepos, len, stream_id, timestamp, flags, reserved);
|
|
|
|
priv->current_packet++;
|
|
len -= 12;
|
|
|
|
// printf("s_id=%d aid=%d vid=%d \n",stream_id,demuxer->audio->id,demuxer->video->id);
|
|
|
|
/* check stream_id: */
|
|
|
|
if(demuxer->audio->id==stream_id){
|
|
if (priv->audio_need_keyframe == 1&& flags != 0x2)
|
|
goto discard;
|
|
got_audio:
|
|
ds=demuxer->audio;
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG2, "packet is audio (id: %d)\n", stream_id);
|
|
|
|
if (flags & 2) {
|
|
priv->sub_packet_cnt = 0;
|
|
audioreorder_getnextpk = 0;
|
|
}
|
|
|
|
// parse audio chunk:
|
|
{
|
|
#ifdef CRACK_MATRIX
|
|
int spos=stream_tell(demuxer->stream);
|
|
static int cnt=0;
|
|
static int cnt2=CRACK_MATRIX;
|
|
#endif
|
|
if (((sh_audio_t *)ds->sh)->format == mmioFOURCC('M', 'P', '4', 'A')) {
|
|
uint16_t *sub_packet_lengths, sub_packets, i;
|
|
/* AAC in Real: several AAC frames in one Real packet. */
|
|
/* Second byte, upper four bits: number of AAC frames */
|
|
/* next n * 2 bytes: length of the AAC frames in bytes, BE */
|
|
sub_packets = (stream_read_word(demuxer->stream) & 0xf0) >> 4;
|
|
sub_packet_lengths = calloc(sub_packets, sizeof(uint16_t));
|
|
for (i = 0; i < sub_packets; i++)
|
|
sub_packet_lengths[i] = stream_read_word(demuxer->stream);
|
|
for (i = 0; i < sub_packets; i++) {
|
|
demux_packet_t *dp = new_demux_packet(sub_packet_lengths[i]);
|
|
stream_read(demuxer->stream, dp->buffer, sub_packet_lengths[i]);
|
|
if (priv->a_pts != timestamp)
|
|
dp->pts = timestamp / 1000.0;
|
|
priv->a_pts = timestamp;
|
|
dp->pos = demuxer->filepos;
|
|
ds_add_packet(ds, dp);
|
|
}
|
|
free(sub_packet_lengths);
|
|
return 1;
|
|
}
|
|
if ((((sh_audio_t*)ds->sh)->format == mmioFOURCC('2', '8', '_', '8')) ||
|
|
(((sh_audio_t*)ds->sh)->format == mmioFOURCC('c', 'o', 'o', 'k')) ||
|
|
(((sh_audio_t*)ds->sh)->format == mmioFOURCC('a', 't', 'r', 'c')) ||
|
|
(((sh_audio_t*)ds->sh)->format == mmioFOURCC('s', 'i', 'p', 'r'))) {
|
|
sps = priv->sub_packet_size[stream_id];
|
|
sph = priv->sub_packet_h[stream_id];
|
|
cfs = priv->coded_framesize[stream_id];
|
|
w = priv->audiopk_size[stream_id];
|
|
spc = priv->sub_packet_cnt;
|
|
switch (((sh_audio_t*)ds->sh)->format) {
|
|
case mmioFOURCC('2', '8', '_', '8'):
|
|
for (x = 0; x < sph / 2; x++)
|
|
stream_read(demuxer->stream, priv->audio_buf + x * 2 * w + spc * cfs, cfs);
|
|
break;
|
|
case mmioFOURCC('c', 'o', 'o', 'k'):
|
|
case mmioFOURCC('a', 't', 'r', 'c'):
|
|
for (x = 0; x < w / sps; x++)
|
|
stream_read(demuxer->stream, priv->audio_buf + sps * (sph * x + ((sph + 1) / 2) * (spc & 1) +
|
|
(spc >> 1)), sps);
|
|
break;
|
|
case mmioFOURCC('s', 'i', 'p', 'r'):
|
|
stream_read(demuxer->stream, priv->audio_buf + spc * w, w);
|
|
if (spc == sph - 1) {
|
|
int n;
|
|
int bs = sph * w * 2 / 96; // nibbles per subpacket
|
|
// Perform reordering
|
|
for(n=0; n < 38; n++) {
|
|
int j;
|
|
int i = bs * sipr_swaps[n][0];
|
|
int o = bs * sipr_swaps[n][1];
|
|
// swap nibbles of block 'i' with 'o' TODO: optimize
|
|
for(j = 0;j < bs; j++) {
|
|
int x = (i & 1) ? (priv->audio_buf[i >> 1] >> 4) : (priv->audio_buf[i >> 1] & 0x0F);
|
|
int y = (o & 1) ? (priv->audio_buf[o >> 1] >> 4) : (priv->audio_buf[o >> 1] & 0x0F);
|
|
if(o & 1)
|
|
priv->audio_buf[o >> 1] = (priv->audio_buf[o >> 1] & 0x0F) | (x << 4);
|
|
else
|
|
priv->audio_buf[o >> 1] = (priv->audio_buf[o >> 1] & 0xF0) | x;
|
|
if(i & 1)
|
|
priv->audio_buf[i >> 1] = (priv->audio_buf[i >> 1] & 0x0F) | (y << 4);
|
|
else
|
|
priv->audio_buf[i >> 1] = (priv->audio_buf[i >> 1] & 0xF0) | y;
|
|
++i; ++o;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
priv->audio_need_keyframe = 0;
|
|
priv->audio_timestamp[priv->sub_packet_cnt] = (priv->a_pts==timestamp) ? (correct_pts ? MP_NOPTS_VALUE : 0) : (timestamp/1000.0);
|
|
priv->a_pts = timestamp;
|
|
if (priv->sub_packet_cnt == 0)
|
|
priv->audio_filepos = demuxer->filepos;
|
|
if (++(priv->sub_packet_cnt) < sph)
|
|
audioreorder_getnextpk = 1;
|
|
else {
|
|
int apk_usize = ((WAVEFORMATEX*)((sh_audio_t*)ds->sh)->wf)->nBlockAlign;
|
|
audioreorder_getnextpk = 0;
|
|
priv->sub_packet_cnt = 0;
|
|
// Release all the audio packets
|
|
for (x = 0; x < sph*w/apk_usize; x++) {
|
|
dp = new_demux_packet(apk_usize);
|
|
memcpy(dp->buffer, priv->audio_buf + x * apk_usize, apk_usize);
|
|
/* Put timestamp only on packets that correspond to original audio packets in file */
|
|
if (x * apk_usize % w == 0)
|
|
dp->pts = priv->audio_timestamp[x * apk_usize / w];
|
|
dp->pos = priv->audio_filepos; // all equal
|
|
dp->flags = x ? 0 : 0x10; // Mark first packet as keyframe
|
|
ds_add_packet(ds, dp);
|
|
}
|
|
}
|
|
} else { // Not a codec that require reordering
|
|
dp = new_demux_packet(len);
|
|
stream_read(demuxer->stream, dp->buffer, len);
|
|
|
|
#ifdef CRACK_MATRIX
|
|
mp_msg(MSGT_DEMUX, MSGL_V,"*** audio block len=%d\n",len);
|
|
{ // HACK - used for reverse engineering the descrambling matrix
|
|
FILE* f=fopen("test.rm","r+");
|
|
fseek(f,spos,SEEK_SET);
|
|
++cnt;
|
|
// for(i=0;i<len;i++) dp->buffer[i]=i/0x12;
|
|
// for(i=0;i<len;i++) dp->buffer[i]=i;
|
|
// for(i=0;i<len;i++) dp->buffer[i]=cnt;
|
|
// for(i=0;i<len;i++) dp->buffer[i]=cnt<<4;
|
|
for(i=0;i<len;i++) dp->buffer[i]=(i==cnt2) ? (cnt+16*(8+cnt)) : 0;
|
|
if(cnt==6){ cnt=0; ++cnt2; }
|
|
fwrite(dp->buffer, len, 1, f);
|
|
fclose(f);
|
|
if(cnt2>0x150) *((int*)NULL)=1; // sig11 :)
|
|
}
|
|
#endif
|
|
#if 0
|
|
if( ((sh_audio_t *)ds->sh)->format == 0x2000) {
|
|
// if DNET, swap bytes, as DNET is byte-swapped AC3:
|
|
char *ptr = dp->buffer;
|
|
int i;
|
|
for (i = 0; i < len; i += 2)
|
|
{
|
|
const char tmp = ptr[0];
|
|
ptr[0] = ptr[1];
|
|
ptr[1] = tmp;
|
|
ptr += 2;
|
|
}
|
|
}
|
|
#endif
|
|
if (priv->audio_need_keyframe == 1) {
|
|
priv->audio_need_keyframe = 0;
|
|
} else if(priv->a_pts != timestamp)
|
|
dp->pts = timestamp/1000.0;
|
|
priv->a_pts=timestamp;
|
|
dp->pos = demuxer->filepos;
|
|
dp->flags = (flags & 0x2) ? 0x10 : 0;
|
|
ds_add_packet(ds, dp);
|
|
|
|
} // 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)
|
|
while (priv->current_apacket + 1 < priv->index_table_size[demuxer->audio->id] &&
|
|
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 we're reordering audio packets and we need more data get it
|
|
if (audioreorder_getnextpk)
|
|
continue;
|
|
|
|
return 1;
|
|
}
|
|
|
|
if(demuxer->video->id==stream_id){
|
|
got_video:
|
|
ds=demuxer->video;
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG2, "packet is video (id: %d)\n", stream_id);
|
|
|
|
// parse video chunk:
|
|
{
|
|
// we need a more complicated, 2nd level demuxing, as the video
|
|
// frames are stored fragmented in the video chunks :(
|
|
sh_video_t *sh_video = ds->sh;
|
|
demux_packet_t *dp;
|
|
unsigned vpkg_header, vpkg_length, vpkg_offset;
|
|
int vpkg_seqnum=-1;
|
|
int vpkg_subseq=0;
|
|
|
|
while(len>2){
|
|
dp_hdr_t* dp_hdr;
|
|
unsigned char* dp_data;
|
|
uint32_t* extra;
|
|
|
|
// printf("xxx len=%d \n",len);
|
|
|
|
// read packet header
|
|
// bit 7: 1=last block in block chain
|
|
// bit 6: 1=short header (only one block?)
|
|
vpkg_header=stream_read_char(demuxer->stream); --len;
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG2, "hdr: %02X (len=%d) ",vpkg_header,len);
|
|
|
|
if (0x40==(vpkg_header&0xc0)) {
|
|
// seems to be a very short header
|
|
// 2 bytes, purpose of the second byte yet unknown
|
|
int bummer;
|
|
bummer=stream_read_char(demuxer->stream); --len;
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG2, "%02X",bummer);
|
|
vpkg_offset=0;
|
|
vpkg_length=len;
|
|
} else {
|
|
|
|
if (0==(vpkg_header&0x40)) {
|
|
// sub-seqnum (bits 0-6: number of fragment. bit 7: ???)
|
|
vpkg_subseq=stream_read_char(demuxer->stream);
|
|
--len;
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG2, "subseq: %02X ",vpkg_subseq);
|
|
vpkg_subseq&=0x7f;
|
|
}
|
|
|
|
// size of the complete packet
|
|
// bit 14 is always one (same applies to the offset)
|
|
vpkg_length=stream_read_word(demuxer->stream);
|
|
len-=2;
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG2, "l: %02X %02X ",vpkg_length>>8,vpkg_length&0xff);
|
|
if (!(vpkg_length&0xC000)) {
|
|
vpkg_length<<=16;
|
|
vpkg_length|=(uint16_t)stream_read_word(demuxer->stream);
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG2, "l+: %02X %02X ",(vpkg_length>>8)&0xff,vpkg_length&0xff);
|
|
len-=2;
|
|
} else
|
|
vpkg_length&=0x3fff;
|
|
|
|
// offset of the following data inside the complete packet
|
|
// Note: if (hdr&0xC0)==0x80 then offset is relative to the
|
|
// _end_ of the packet, so it's equal to fragment size!!!
|
|
vpkg_offset=stream_read_word(demuxer->stream);
|
|
len-=2;
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG2, "o: %02X %02X ",vpkg_offset>>8,vpkg_offset&0xff);
|
|
if (!(vpkg_offset&0xC000)) {
|
|
vpkg_offset<<=16;
|
|
vpkg_offset|=(uint16_t)stream_read_word(demuxer->stream);
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG2, "o+: %02X %02X ",(vpkg_offset>>8)&0xff,vpkg_offset&0xff);
|
|
len-=2;
|
|
} else
|
|
vpkg_offset&=0x3fff;
|
|
|
|
vpkg_seqnum=stream_read_char(demuxer->stream); --len;
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG2, "seq: %02X ",vpkg_seqnum);
|
|
}
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG2, "\n");
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG2, "blklen=%d\n", len);
|
|
mp_msg(MSGT_DEMUX,MSGL_DBG2, "block: hdr=0x%0x, len=%d, offset=%d, seqnum=%d\n",
|
|
vpkg_header, vpkg_length, vpkg_offset, vpkg_seqnum);
|
|
|
|
if(ds->asf_packet){
|
|
dp=ds->asf_packet;
|
|
dp_hdr=(dp_hdr_t*)dp->buffer;
|
|
dp_data=dp->buffer+sizeof(dp_hdr_t);
|
|
extra=(uint32_t*)(dp->buffer+dp_hdr->chunktab);
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG2, "we have an incomplete packet (oldseq=%d new=%d)\n",ds->asf_seq,vpkg_seqnum);
|
|
// we have an incomplete packet:
|
|
if(ds->asf_seq!=vpkg_seqnum){
|
|
// this fragment is for new packet, close the old one
|
|
mp_msg(MSGT_DEMUX,MSGL_DBG2, "closing probably incomplete packet, len: %d \n",dp->len);
|
|
if(priv->video_after_seek){
|
|
dp->pts=timestamp;
|
|
priv->kf_base = 0;
|
|
priv->kf_pts = dp_hdr->timestamp;
|
|
priv->video_after_seek = 0;
|
|
} else if (dp_hdr->len >= 3)
|
|
dp->pts =
|
|
real_fix_timestamp(priv,dp_data,dp_hdr->timestamp,sh_video->frametime,sh_video->format);
|
|
ds_add_packet(ds,dp);
|
|
ds->asf_packet=NULL;
|
|
} else {
|
|
// append data to it!
|
|
++dp_hdr->chunks;
|
|
mp_msg(MSGT_DEMUX,MSGL_DBG2,"[chunks=%d subseq=%d]\n",dp_hdr->chunks,vpkg_subseq);
|
|
if(dp_hdr->chunktab+8*(1+dp_hdr->chunks)>dp->len){
|
|
// increase buffer size, this should not happen!
|
|
mp_msg(MSGT_DEMUX,MSGL_WARN, "chunktab buffer too small!!!!!\n");
|
|
dp->len=dp_hdr->chunktab+8*(4+dp_hdr->chunks);
|
|
dp->buffer=realloc(dp->buffer,dp->len+FF_INPUT_BUFFER_PADDING_SIZE);
|
|
memset(dp->buffer + dp->len, 0, FF_INPUT_BUFFER_PADDING_SIZE);
|
|
// re-calc pointers:
|
|
dp_hdr=(dp_hdr_t*)dp->buffer;
|
|
dp_data=dp->buffer+sizeof(dp_hdr_t);
|
|
extra=(uint32_t*)(dp->buffer+dp_hdr->chunktab);
|
|
}
|
|
extra[2*dp_hdr->chunks+0]=1;
|
|
extra[2*dp_hdr->chunks+1]=dp_hdr->len;
|
|
if(0x80==(vpkg_header&0xc0)){
|
|
// last fragment!
|
|
if(dp_hdr->len!=vpkg_length-vpkg_offset)
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"warning! assembled.len=%d frag.len=%d total.len=%d \n",dp->len,vpkg_offset,vpkg_length-vpkg_offset);
|
|
stream_read(demuxer->stream, dp_data+dp_hdr->len, vpkg_offset);
|
|
if((dp_data[dp_hdr->len]&0x20) && (sh_video->format==0x30335652)) --dp_hdr->chunks; else
|
|
dp_hdr->len+=vpkg_offset;
|
|
len-=vpkg_offset;
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG2, "fragment (%d bytes) appended, %d bytes left\n",vpkg_offset,len);
|
|
// we know that this is the last fragment -> we can close the packet!
|
|
if(priv->video_after_seek){
|
|
dp->pts=timestamp;
|
|
priv->kf_base = 0;
|
|
priv->kf_pts = dp_hdr->timestamp;
|
|
priv->video_after_seek = 0;
|
|
} else if (dp_hdr->len >= 3)
|
|
dp->pts =
|
|
real_fix_timestamp(priv,dp_data,dp_hdr->timestamp,sh_video->frametime,sh_video->format);
|
|
ds_add_packet(ds,dp);
|
|
ds->asf_packet=NULL;
|
|
// continue parsing
|
|
continue;
|
|
}
|
|
// non-last fragment:
|
|
if(dp_hdr->len!=vpkg_offset)
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"warning! assembled.len=%d offset=%d frag.len=%d total.len=%d \n",dp->len,vpkg_offset,len,vpkg_length);
|
|
stream_read(demuxer->stream, dp_data+dp_hdr->len, len);
|
|
if((dp_data[dp_hdr->len]&0x20) && (sh_video->format==0x30335652)) --dp_hdr->chunks; else
|
|
dp_hdr->len+=len;
|
|
len=0;
|
|
break; // no more fragments in this chunk!
|
|
}
|
|
}
|
|
// create new packet!
|
|
dp = new_demux_packet(sizeof(dp_hdr_t)+vpkg_length+8*(1+2*(vpkg_header&0x3F)));
|
|
// the timestamp seems to be in milliseconds
|
|
dp->pos = demuxer->filepos;
|
|
dp->flags = (flags & 0x2) ? 0x10 : 0;
|
|
ds->asf_seq = vpkg_seqnum;
|
|
dp_hdr=(dp_hdr_t*)dp->buffer;
|
|
dp_hdr->chunks=0;
|
|
dp_hdr->timestamp=timestamp;
|
|
dp_hdr->chunktab=sizeof(dp_hdr_t)+vpkg_length;
|
|
dp_data=dp->buffer+sizeof(dp_hdr_t);
|
|
extra=(uint32_t*)(dp->buffer+dp_hdr->chunktab);
|
|
extra[0]=1; extra[1]=0; // offset of the first chunk
|
|
if(0x00==(vpkg_header&0xc0)){
|
|
// first fragment:
|
|
dp_hdr->len=len;
|
|
stream_read(demuxer->stream, dp_data, len);
|
|
ds->asf_packet=dp;
|
|
len=0;
|
|
break;
|
|
}
|
|
// whole packet (not fragmented):
|
|
if (vpkg_length > len) {
|
|
mp_msg(MSGT_DEMUX, MSGL_WARN,"\n******** WARNING: vpkg_length=%i > len=%i ********\n", vpkg_length, len);
|
|
/*
|
|
* To keep the video stream rolling, we need to break
|
|
* here. We shouldn't touch len to make sure rest of the
|
|
* broken packet is skipped.
|
|
*/
|
|
break;
|
|
}
|
|
dp_hdr->len=vpkg_length; len-=vpkg_length;
|
|
stream_read(demuxer->stream, dp_data, vpkg_length);
|
|
if(priv->video_after_seek){
|
|
dp->pts=timestamp;
|
|
priv->kf_base = 0;
|
|
priv->kf_pts = dp_hdr->timestamp;
|
|
priv->video_after_seek = 0;
|
|
} else if (dp_hdr->len >= 3)
|
|
dp->pts =
|
|
real_fix_timestamp(priv,dp_data,dp_hdr->timestamp,sh_video->frametime,sh_video->format);
|
|
ds_add_packet(ds,dp);
|
|
|
|
} // while(len>0)
|
|
|
|
if(len){
|
|
mp_msg(MSGT_DEMUX, MSGL_WARN,"\n******** !!!!!!!! BUG!! len=%d !!!!!!!!!!! ********\n",len);
|
|
if(len>0) stream_skip(demuxer->stream, len);
|
|
}
|
|
}
|
|
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)
|
|
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;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
if((unsigned)stream_id<MAX_STREAMS){
|
|
|
|
if(demuxer->audio->id==-1 && demuxer->a_streams[stream_id]){
|
|
sh_audio_t *sh = demuxer->a_streams[stream_id];
|
|
demuxer->audio->id=stream_id;
|
|
sh->ds=demuxer->audio;
|
|
demuxer->audio->sh=sh;
|
|
priv->audio_buf = calloc(priv->sub_packet_h[demuxer->audio->id], priv->audiopk_size[demuxer->audio->id]);
|
|
priv->audio_timestamp = calloc(priv->sub_packet_h[demuxer->audio->id], sizeof(double));
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Auto-selected RM audio ID = %d\n",stream_id);
|
|
goto got_audio;
|
|
}
|
|
|
|
if(demuxer->video->id==-1 && demuxer->v_streams[stream_id]){
|
|
sh_video_t *sh = demuxer->v_streams[stream_id];
|
|
demuxer->video->id=stream_id;
|
|
sh->ds=demuxer->video;
|
|
demuxer->video->sh=sh;
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Auto-selected RM video ID = %d\n",stream_id);
|
|
goto got_video;
|
|
}
|
|
|
|
}
|
|
|
|
mp_msg(MSGT_DEMUX,MSGL_DBG2, "unknown stream id (%d)\n", stream_id);
|
|
discard:
|
|
stream_skip(demuxer->stream, len);
|
|
}// goto loop;
|
|
return 0;
|
|
}
|
|
|
|
extern void print_wave_header(WAVEFORMATEX *h, int verbose_level);
|
|
|
|
static demuxer_t* demux_open_real(demuxer_t* demuxer)
|
|
{
|
|
real_priv_t* priv = demuxer->priv;
|
|
int num_of_headers;
|
|
int a_streams=0;
|
|
int v_streams=0;
|
|
int i;
|
|
int header_size;
|
|
|
|
header_size = stream_read_dword(demuxer->stream); /* header size */
|
|
mp_msg(MSGT_DEMUX,MSGL_V, "real: Header size: %d\n", header_size);
|
|
i = stream_read_word(demuxer->stream); /* version */
|
|
mp_msg(MSGT_DEMUX,MSGL_V, "real: Header object version: %d\n", i);
|
|
if (header_size == 0x10)
|
|
i = stream_read_word(demuxer->stream);
|
|
else /* we should test header_size here too. */
|
|
i = stream_read_dword(demuxer->stream);
|
|
mp_msg(MSGT_DEMUX,MSGL_V, "real: File version: %d\n", i);
|
|
num_of_headers = stream_read_dword(demuxer->stream);
|
|
|
|
/* parse chunks */
|
|
for (i = 1; i <= num_of_headers; i++)
|
|
// for (i = 1; ; i++)
|
|
{
|
|
int chunk_id, chunk_pos, chunk_size;
|
|
|
|
chunk_pos = stream_tell(demuxer->stream);
|
|
chunk_id = stream_read_dword_le(demuxer->stream);
|
|
chunk_size = stream_read_dword(demuxer->stream);
|
|
|
|
stream_skip(demuxer->stream, 2); /* version */
|
|
|
|
mp_msg(MSGT_DEMUX,MSGL_V, "Chunk: %.4s (%x) (size: 0x%x, offset: 0x%x)\n",
|
|
(char *)&chunk_id, chunk_id, chunk_size, chunk_pos);
|
|
|
|
if (chunk_size < 10){
|
|
mp_msg(MSGT_DEMUX,MSGL_ERR,"demux_real: invalid chunksize! (%d)\n",chunk_size);
|
|
break; //return;
|
|
}
|
|
|
|
switch(chunk_id)
|
|
{
|
|
case MKTAG('P', 'R', 'O', 'P'):
|
|
/* Properties header */
|
|
|
|
stream_skip(demuxer->stream, 4); /* max bitrate */
|
|
stream_skip(demuxer->stream, 4); /* avg bitrate */
|
|
stream_skip(demuxer->stream, 4); /* max packet size */
|
|
stream_skip(demuxer->stream, 4); /* avg packet size */
|
|
stream_skip(demuxer->stream, 4); /* nb packets */
|
|
priv->duration = stream_read_dword(demuxer->stream)/1000; /* duration */
|
|
stream_skip(demuxer->stream, 4); /* preroll */
|
|
priv->index_chunk_offset = stream_read_dword(demuxer->stream);
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"First index chunk offset: 0x%x\n", priv->index_chunk_offset);
|
|
priv->data_chunk_offset = stream_read_dword(demuxer->stream)+10;
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"First data chunk offset: 0x%x\n", priv->data_chunk_offset);
|
|
stream_skip(demuxer->stream, 2); /* nb streams */
|
|
#if 0
|
|
stream_skip(demuxer->stream, 2); /* flags */
|
|
#else
|
|
{
|
|
int flags = stream_read_word(demuxer->stream);
|
|
|
|
if (flags)
|
|
{
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Flags (%x): ", flags);
|
|
if (flags & 0x1)
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"[save allowed] ");
|
|
if (flags & 0x2)
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"[perfect play (more buffers)] ");
|
|
if (flags & 0x4)
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"[live broadcast] ");
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"\n");
|
|
}
|
|
}
|
|
#endif
|
|
break;
|
|
case MKTAG('C', 'O', 'N', 'T'):
|
|
{
|
|
/* Content description header */
|
|
char *buf;
|
|
int len;
|
|
|
|
len = stream_read_word(demuxer->stream);
|
|
if (len > 0)
|
|
{
|
|
buf = malloc(len+1);
|
|
stream_read(demuxer->stream, buf, len);
|
|
buf[len] = 0;
|
|
demux_info_add(demuxer, "name", buf);
|
|
free(buf);
|
|
}
|
|
|
|
len = stream_read_word(demuxer->stream);
|
|
if (len > 0)
|
|
{
|
|
buf = malloc(len+1);
|
|
stream_read(demuxer->stream, buf, len);
|
|
buf[len] = 0;
|
|
demux_info_add(demuxer, "author", buf);
|
|
free(buf);
|
|
}
|
|
|
|
len = stream_read_word(demuxer->stream);
|
|
if (len > 0)
|
|
{
|
|
buf = malloc(len+1);
|
|
stream_read(demuxer->stream, buf, len);
|
|
buf[len] = 0;
|
|
demux_info_add(demuxer, "copyright", buf);
|
|
free(buf);
|
|
}
|
|
|
|
len = stream_read_word(demuxer->stream);
|
|
if (len > 0)
|
|
{
|
|
buf = malloc(len+1);
|
|
stream_read(demuxer->stream, buf, len);
|
|
buf[len] = 0;
|
|
demux_info_add(demuxer, "comment", buf);
|
|
free(buf);
|
|
}
|
|
break;
|
|
}
|
|
case MKTAG('M', 'D', 'P', 'R'):
|
|
{
|
|
/* Media properties header */
|
|
int stream_id;
|
|
int bitrate;
|
|
int codec_data_size;
|
|
int codec_pos;
|
|
int tmp;
|
|
int len;
|
|
char *descr, *mimet = NULL;
|
|
|
|
stream_id = stream_read_word(demuxer->stream);
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Found new stream (id: %d)\n", stream_id);
|
|
|
|
stream_skip(demuxer->stream, 4); /* max bitrate */
|
|
bitrate = stream_read_dword(demuxer->stream); /* avg bitrate */
|
|
stream_skip(demuxer->stream, 4); /* max packet size */
|
|
stream_skip(demuxer->stream, 4); /* avg packet size */
|
|
stream_skip(demuxer->stream, 4); /* start time */
|
|
stream_skip(demuxer->stream, 4); /* preroll */
|
|
stream_skip(demuxer->stream, 4); /* duration */
|
|
|
|
if ((len = stream_read_char(demuxer->stream)) > 0) {
|
|
descr = malloc(len+1);
|
|
stream_read(demuxer->stream, descr, len);
|
|
descr[len] = 0;
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO,"Stream description: %s\n", descr);
|
|
free(descr);
|
|
}
|
|
if ((len = stream_read_char(demuxer->stream)) > 0) {
|
|
mimet = malloc(len+1);
|
|
stream_read(demuxer->stream, mimet, len);
|
|
mimet[len] = 0;
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO,"Stream mimetype: %s\n", mimet);
|
|
}
|
|
|
|
/* Type specific header */
|
|
codec_data_size = stream_read_dword(demuxer->stream);
|
|
codec_pos = stream_tell(demuxer->stream);
|
|
|
|
#ifdef MP_DEBUG
|
|
#define stream_skip(st,siz) { int i; for(i=0;i<siz;i++) mp_msg(MSGT_DEMUX,MSGL_V," %02X",stream_read_char(st)); mp_msg(MSGT_DEMUX,MSGL_V,"\n");}
|
|
#endif
|
|
|
|
if (!strncmp(mimet,"audio/",6)) {
|
|
if (strstr(mimet,"x-pn-realaudio") || strstr(mimet,"x-pn-multirate-realaudio")) {
|
|
tmp = stream_read_dword(demuxer->stream);
|
|
if (tmp != MKTAG(0xfd, 'a', 'r', '.'))
|
|
{
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Audio: can't find .ra in codec data\n");
|
|
} else {
|
|
/* audio header */
|
|
sh_audio_t *sh = new_sh_audio(demuxer, stream_id);
|
|
char buf[128]; /* for codec name */
|
|
int frame_size;
|
|
int sub_packet_size;
|
|
int sub_packet_h;
|
|
int version;
|
|
int flavor;
|
|
int coded_frame_size;
|
|
int codecdata_length;
|
|
int i;
|
|
char *buft;
|
|
int hdr_size;
|
|
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Found audio stream!\n");
|
|
version = stream_read_word(demuxer->stream);
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"version: %d\n", version);
|
|
if (version == 3) {
|
|
stream_skip(demuxer->stream, 2);
|
|
stream_skip(demuxer->stream, 10);
|
|
stream_skip(demuxer->stream, 4);
|
|
// Name, author, (c) are also in CONT tag
|
|
if ((i = stream_read_char(demuxer->stream)) != 0) {
|
|
buft = malloc(i+1);
|
|
stream_read(demuxer->stream, buft, i);
|
|
buft[i] = 0;
|
|
demux_info_add(demuxer, "Name", buft);
|
|
free(buft);
|
|
}
|
|
if ((i = stream_read_char(demuxer->stream)) != 0) {
|
|
buft = malloc(i+1);
|
|
stream_read(demuxer->stream, buft, i);
|
|
buft[i] = 0;
|
|
demux_info_add(demuxer, "Author", buft);
|
|
free(buft);
|
|
}
|
|
if ((i = stream_read_char(demuxer->stream)) != 0) {
|
|
buft = malloc(i+1);
|
|
stream_read(demuxer->stream, buft, i);
|
|
buft[i] = 0;
|
|
demux_info_add(demuxer, "Copyright", buft);
|
|
free(buft);
|
|
}
|
|
if ((i = stream_read_char(demuxer->stream)) != 0)
|
|
mp_msg(MSGT_DEMUX,MSGL_WARN,"Last header byte is not zero!\n");
|
|
stream_skip(demuxer->stream, 1);
|
|
i = stream_read_char(demuxer->stream);
|
|
sh->format = stream_read_dword_le(demuxer->stream);
|
|
if (i != 4) {
|
|
mp_msg(MSGT_DEMUX,MSGL_WARN,"Audio FourCC size is not 4 (%d), please report to "
|
|
"MPlayer developers\n", i);
|
|
stream_skip(demuxer->stream, i - 4);
|
|
}
|
|
if (sh->format != mmioFOURCC('l','p','c','J')) {
|
|
mp_msg(MSGT_DEMUX,MSGL_WARN,"Version 3 audio with FourCC %8x, please report to "
|
|
"MPlayer developers\n", sh->format);
|
|
}
|
|
sh->channels = 1;
|
|
sh->samplesize = 16;
|
|
sh->samplerate = 8000;
|
|
frame_size = 240;
|
|
strcpy(buf, "14_4");
|
|
} else {
|
|
stream_skip(demuxer->stream, 2); // 00 00
|
|
stream_skip(demuxer->stream, 4); /* .ra4 or .ra5 */
|
|
stream_skip(demuxer->stream, 4); // ???
|
|
stream_skip(demuxer->stream, 2); /* version (4 or 5) */
|
|
hdr_size = stream_read_dword(demuxer->stream); // header size
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"header size: %d\n", hdr_size);
|
|
flavor = stream_read_word(demuxer->stream);/* codec flavor id */
|
|
coded_frame_size = stream_read_dword(demuxer->stream);/* needed by codec */
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"coded_frame_size: %d\n", coded_frame_size);
|
|
stream_skip(demuxer->stream, 4); // big number
|
|
stream_skip(demuxer->stream, 4); // bigger number
|
|
stream_skip(demuxer->stream, 4); // 2 || -''-
|
|
sub_packet_h = stream_read_word(demuxer->stream);
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"sub_packet_h: %d\n", sub_packet_h);
|
|
frame_size = stream_read_word(demuxer->stream);
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"frame_size: %d\n", frame_size);
|
|
sub_packet_size = stream_read_word(demuxer->stream);
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"sub_packet_size: %d\n", sub_packet_size);
|
|
stream_skip(demuxer->stream, 2); // 0
|
|
|
|
if (version == 5)
|
|
stream_skip(demuxer->stream, 6); //0,srate,0
|
|
|
|
sh->samplerate = stream_read_word(demuxer->stream);
|
|
stream_skip(demuxer->stream, 2); // 0
|
|
sh->samplesize = stream_read_word(demuxer->stream)/8;
|
|
sh->channels = stream_read_word(demuxer->stream);
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"samplerate: %d, channels: %d\n",
|
|
sh->samplerate, sh->channels);
|
|
|
|
if (version == 5)
|
|
{
|
|
stream_skip(demuxer->stream, 4); // "genr"
|
|
stream_read(demuxer->stream, buf, 4); // fourcc
|
|
buf[4] = 0;
|
|
}
|
|
else
|
|
{
|
|
/* Desc #1 */
|
|
skip_str(1, demuxer);
|
|
/* Desc #2 */
|
|
get_str(1, demuxer, buf, sizeof(buf));
|
|
}
|
|
}
|
|
|
|
/* Emulate WAVEFORMATEX struct: */
|
|
sh->wf = malloc(sizeof(WAVEFORMATEX));
|
|
memset(sh->wf, 0, sizeof(WAVEFORMATEX));
|
|
sh->wf->nChannels = sh->channels;
|
|
sh->wf->wBitsPerSample = sh->samplesize*8;
|
|
sh->wf->nSamplesPerSec = sh->samplerate;
|
|
sh->wf->nAvgBytesPerSec = bitrate/8;
|
|
sh->wf->nBlockAlign = frame_size;
|
|
sh->wf->cbSize = 0;
|
|
sh->format = MKTAG(buf[0], buf[1], buf[2], buf[3]);
|
|
|
|
switch (sh->format)
|
|
{
|
|
case MKTAG('d', 'n', 'e', 't'):
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Audio: DNET -> AC3\n");
|
|
// sh->format = 0x2000;
|
|
break;
|
|
case MKTAG('1', '4', '_', '4'):
|
|
sh->wf->nBlockAlign = 0x14;
|
|
break;
|
|
|
|
case MKTAG('2', '8', '_', '8'):
|
|
sh->wf->nBlockAlign = coded_frame_size;
|
|
priv->sub_packet_size[stream_id] = sub_packet_size;
|
|
priv->sub_packet_h[stream_id] = sub_packet_h;
|
|
priv->coded_framesize[stream_id] = coded_frame_size;
|
|
priv->audiopk_size[stream_id] = frame_size;
|
|
break;
|
|
|
|
case MKTAG('s', 'i', 'p', 'r'):
|
|
case MKTAG('a', 't', 'r', 'c'):
|
|
case MKTAG('c', 'o', 'o', 'k'):
|
|
// realaudio codec plugins - common:
|
|
stream_skip(demuxer->stream,3); // Skip 3 unknown bytes
|
|
if (version==5)
|
|
stream_skip(demuxer->stream,1); // Skip 1 additional unknown byte
|
|
codecdata_length=stream_read_dword(demuxer->stream);
|
|
// Check extradata len, we can't store bigger values in cbSize anyway
|
|
if ((unsigned)codecdata_length > 0xffff) {
|
|
mp_msg(MSGT_DEMUX,MSGL_ERR,"Extradata too big (%d)\n", codecdata_length);
|
|
goto skip_this_chunk;
|
|
}
|
|
sh->wf->cbSize = codecdata_length;
|
|
sh->wf = realloc(sh->wf, sizeof(WAVEFORMATEX)+sh->wf->cbSize);
|
|
stream_read(demuxer->stream, ((char*)(sh->wf+1)), codecdata_length); // extras
|
|
if ((sh->format == MKTAG('a', 't', 'r', 'c')) ||
|
|
(sh->format == MKTAG('c', 'o', 'o', 'k')))
|
|
sh->wf->nBlockAlign = sub_packet_size;
|
|
else
|
|
sh->wf->nBlockAlign = coded_frame_size;
|
|
|
|
priv->sub_packet_size[stream_id] = sub_packet_size;
|
|
priv->sub_packet_h[stream_id] = sub_packet_h;
|
|
priv->coded_framesize[stream_id] = coded_frame_size;
|
|
priv->audiopk_size[stream_id] = frame_size;
|
|
break;
|
|
|
|
case MKTAG('r', 'a', 'a', 'c'):
|
|
case MKTAG('r', 'a', 'c', 'p'):
|
|
/* This is just AAC. The two or five bytes of */
|
|
/* config data needed for libfaad are stored */
|
|
/* after the audio headers. */
|
|
stream_skip(demuxer->stream,3); // Skip 3 unknown bytes
|
|
if (version==5)
|
|
stream_skip(demuxer->stream,1); // Skip 1 additional unknown byte
|
|
codecdata_length=stream_read_dword(demuxer->stream);
|
|
if (codecdata_length>=1) {
|
|
sh->codecdata_len = codecdata_length - 1;
|
|
sh->codecdata = calloc(sh->codecdata_len, 1);
|
|
stream_skip(demuxer->stream, 1);
|
|
stream_read(demuxer->stream, sh->codecdata, sh->codecdata_len);
|
|
}
|
|
sh->format = mmioFOURCC('M', 'P', '4', 'A');
|
|
break;
|
|
default:
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Audio: Unknown (%s)\n", buf);
|
|
}
|
|
|
|
sh->wf->wFormatTag = sh->format;
|
|
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"audio fourcc: %.4s (%x)\n", (char *)&sh->format, sh->format);
|
|
if ( mp_msg_test(MSGT_DEMUX,MSGL_V) )
|
|
print_wave_header(sh->wf, MSGL_V);
|
|
|
|
/* Select audio stream with highest bitrate if multirate file*/
|
|
if (priv->is_multirate && ((demuxer->audio->id == -1) ||
|
|
((demuxer->audio->id >= 0) && priv->a_bitrate && (bitrate > priv->a_bitrate)))) {
|
|
demuxer->audio->id = stream_id;
|
|
priv->a_bitrate = bitrate;
|
|
mp_msg(MSGT_DEMUX,MSGL_DBG2,"Multirate autoselected audio id %d with bitrate %d\n", stream_id, bitrate);
|
|
}
|
|
|
|
if(demuxer->audio->id==stream_id){
|
|
sh->ds=demuxer->audio;
|
|
demuxer->audio->sh=sh;
|
|
priv->audio_buf = calloc(priv->sub_packet_h[demuxer->audio->id], priv->audiopk_size[demuxer->audio->id]);
|
|
priv->audio_timestamp = calloc(priv->sub_packet_h[demuxer->audio->id], sizeof(double));
|
|
}
|
|
|
|
++a_streams;
|
|
|
|
#ifdef stream_skip
|
|
#undef stream_skip
|
|
#endif
|
|
}
|
|
} else if (strstr(mimet,"X-MP3-draft-00")) {
|
|
sh_audio_t *sh = new_sh_audio(demuxer, stream_id);
|
|
|
|
/* Emulate WAVEFORMATEX struct: */
|
|
sh->wf = malloc(sizeof(WAVEFORMATEX));
|
|
memset(sh->wf, 0, sizeof(WAVEFORMATEX));
|
|
sh->wf->nChannels = 0;//sh->channels;
|
|
sh->wf->wBitsPerSample = 16;
|
|
sh->wf->nSamplesPerSec = 0;//sh->samplerate;
|
|
sh->wf->nAvgBytesPerSec = 0;//bitrate;
|
|
sh->wf->nBlockAlign = 0;//frame_size;
|
|
sh->wf->cbSize = 0;
|
|
sh->wf->wFormatTag = sh->format = mmioFOURCC('a','d','u',0x55);
|
|
|
|
if(demuxer->audio->id==stream_id){
|
|
sh->ds=demuxer->audio;
|
|
demuxer->audio->sh=sh;
|
|
}
|
|
|
|
++a_streams;
|
|
} else if (strstr(mimet,"x-ralf-mpeg4")) {
|
|
mp_msg(MSGT_DEMUX,MSGL_ERR,"Real lossless audio not supported yet\n");
|
|
} else {
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Unknown audio stream format\n");
|
|
}
|
|
} else if (!strncmp(mimet,"video/",6)) {
|
|
if (strstr(mimet,"x-pn-realvideo") || strstr(mimet,"x-pn-multirate-realvideo")) {
|
|
stream_skip(demuxer->stream, 4); // VIDO length, same as codec_data_size
|
|
tmp = stream_read_dword(demuxer->stream);
|
|
if(tmp != MKTAG('O', 'D', 'I', 'V'))
|
|
{
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Video: can't find VIDO in codec data\n");
|
|
} else {
|
|
/* video header */
|
|
sh_video_t *sh = new_sh_video(demuxer, stream_id);
|
|
|
|
sh->format = stream_read_dword_le(demuxer->stream); /* fourcc */
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"video fourcc: %.4s (%x)\n", (char *)&sh->format, sh->format);
|
|
|
|
/* emulate BITMAPINFOHEADER */
|
|
sh->bih = malloc(sizeof(BITMAPINFOHEADER));
|
|
memset(sh->bih, 0, sizeof(BITMAPINFOHEADER));
|
|
sh->bih->biSize = sizeof(BITMAPINFOHEADER);
|
|
sh->disp_w = sh->bih->biWidth = stream_read_word(demuxer->stream);
|
|
sh->disp_h = sh->bih->biHeight = stream_read_word(demuxer->stream);
|
|
sh->bih->biPlanes = 1;
|
|
sh->bih->biBitCount = 24;
|
|
sh->bih->biCompression = sh->format;
|
|
sh->bih->biSizeImage= sh->bih->biWidth*sh->bih->biHeight*3;
|
|
|
|
sh->fps = (float) stream_read_word(demuxer->stream);
|
|
if (sh->fps<=0) sh->fps=24; // we probably won't even care about fps
|
|
sh->frametime = 1.0f/sh->fps;
|
|
|
|
#if 1
|
|
stream_skip(demuxer->stream, 4);
|
|
#else
|
|
mp_msg(MSGT_DEMUX, MSGL_V,"unknown1: 0x%X \n",stream_read_dword(demuxer->stream));
|
|
mp_msg(MSGT_DEMUX, MSGL_V,"unknown2: 0x%X \n",stream_read_word(demuxer->stream));
|
|
mp_msg(MSGT_DEMUX, MSGL_V,"unknown3: 0x%X \n",stream_read_word(demuxer->stream));
|
|
#endif
|
|
// if(sh->format==0x30335652 || sh->format==0x30325652 )
|
|
if(1)
|
|
{
|
|
int tmp=stream_read_word(demuxer->stream);
|
|
if(tmp>0){
|
|
sh->fps=tmp; sh->frametime = 1.0f/sh->fps;
|
|
}
|
|
} else {
|
|
int fps=stream_read_word(demuxer->stream);
|
|
mp_msg(MSGT_DEMUX, MSGL_WARN,"realvid: ignoring FPS = %d\n",fps);
|
|
}
|
|
stream_skip(demuxer->stream, 2);
|
|
|
|
{
|
|
// read and store codec extradata
|
|
unsigned int cnt = codec_data_size - (stream_tell(demuxer->stream) - codec_pos);
|
|
if (cnt > 0x7fffffff - sizeof(BITMAPINFOHEADER)) {
|
|
mp_msg(MSGT_DEMUX, MSGL_ERR,"Extradata too big (%u)\n", cnt);
|
|
} else {
|
|
sh->bih = realloc(sh->bih, sizeof(BITMAPINFOHEADER) + cnt);
|
|
sh->bih->biSize += cnt;
|
|
stream_read(demuxer->stream, ((unsigned char*)(sh->bih+1)), cnt);
|
|
}
|
|
}
|
|
if(sh->format == 0x30315652 && ((unsigned char*)(sh->bih+1))[6] == 0x30)
|
|
sh->bih->biCompression = sh->format = mmioFOURCC('R', 'V', '1', '3');
|
|
|
|
/* Select video stream with highest bitrate if multirate file*/
|
|
if (priv->is_multirate && ((demuxer->video->id == -1) ||
|
|
((demuxer->video->id >= 0) && priv->v_bitrate && (bitrate > priv->v_bitrate)))) {
|
|
demuxer->video->id = stream_id;
|
|
priv->v_bitrate = bitrate;
|
|
mp_msg(MSGT_DEMUX,MSGL_DBG2,"Multirate autoselected video id %d with bitrate %d\n", stream_id, bitrate);
|
|
}
|
|
|
|
if(demuxer->video->id==stream_id){
|
|
sh->ds=demuxer->video;
|
|
demuxer->video->sh=sh;
|
|
}
|
|
|
|
++v_streams;
|
|
|
|
}
|
|
} else {
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Unknown video stream format\n");
|
|
}
|
|
} else if (strstr(mimet,"logical-")) {
|
|
if (strstr(mimet,"fileinfo")) {
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Got a logical-fileinfo chunk\n");
|
|
} else if (strstr(mimet,"-audio") || strstr(mimet,"-video")) {
|
|
int i, stream_cnt;
|
|
int stream_list[MAX_STREAMS];
|
|
|
|
priv->is_multirate = 1;
|
|
stream_skip(demuxer->stream, 4); // Length of codec data (repeated)
|
|
stream_cnt = stream_read_dword(demuxer->stream); // Get number of audio or video streams
|
|
if ((unsigned)stream_cnt >= MAX_STREAMS) {
|
|
mp_msg(MSGT_DEMUX,MSGL_ERR,"Too many streams in %s. Big troubles ahead.\n", mimet);
|
|
goto skip_this_chunk;
|
|
}
|
|
for (i = 0; i < stream_cnt; i++)
|
|
stream_list[i] = stream_read_word(demuxer->stream);
|
|
for (i = 0; i < stream_cnt; i++)
|
|
if ((unsigned)stream_list[i] >= MAX_STREAMS) {
|
|
mp_msg(MSGT_DEMUX,MSGL_ERR,"Stream id out of range: %d. Ignored.\n", stream_list[i]);
|
|
stream_skip(demuxer->stream, 4); // Skip DATA offset for broken stream
|
|
} else {
|
|
priv->str_data_offset[stream_list[i]] = stream_read_dword(demuxer->stream);
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Stream %d with DATA offset 0x%08x\n", stream_list[i], priv->str_data_offset[stream_list[i]]);
|
|
}
|
|
// Skip the rest of this chunk
|
|
} else
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Unknown logical stream\n");
|
|
}
|
|
else {
|
|
mp_msg(MSGT_DEMUX, MSGL_ERR, "Not audio/video stream or unsupported!\n");
|
|
}
|
|
// break;
|
|
// default:
|
|
skip_this_chunk:
|
|
/* skip codec info */
|
|
tmp = stream_tell(demuxer->stream) - codec_pos;
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"### skipping %d bytes of codec info\n", codec_data_size - tmp);
|
|
#if 0
|
|
{ int i;
|
|
for(i=0;i<codec_data_size - tmp;i++)
|
|
mp_msg(MSGT_DEMUX, MSGL_V," %02X",stream_read_char(demuxer->stream));
|
|
mp_msg(MSGT_DEMUX, MSGL_V,"\n");
|
|
}
|
|
#else
|
|
stream_skip(demuxer->stream, codec_data_size - tmp);
|
|
#endif
|
|
if (mimet)
|
|
free (mimet);
|
|
break;
|
|
// }
|
|
}
|
|
case MKTAG('D', 'A', 'T', 'A'):
|
|
goto header_end;
|
|
case MKTAG('I', 'N', 'D', 'X'):
|
|
default:
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Unknown chunk: %x\n", chunk_id);
|
|
stream_skip(demuxer->stream, chunk_size - 10);
|
|
break;
|
|
}
|
|
}
|
|
|
|
header_end:
|
|
if(priv->is_multirate) {
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Selected video id %d audio id %d\n", demuxer->video->id, demuxer->audio->id);
|
|
/* Perform some sanity checks to avoid checking streams id all over the code*/
|
|
if (demuxer->audio->id >= MAX_STREAMS) {
|
|
mp_msg(MSGT_DEMUX,MSGL_ERR,"Invalid audio stream %d. No sound will be played.\n", demuxer->audio->id);
|
|
demuxer->audio->id = -2;
|
|
} else if ((demuxer->audio->id >= 0) && (priv->str_data_offset[demuxer->audio->id] == 0)) {
|
|
mp_msg(MSGT_DEMUX,MSGL_ERR,"Audio stream %d not found. No sound will be played.\n", demuxer->audio->id);
|
|
demuxer->audio->id = -2;
|
|
}
|
|
if (demuxer->video->id >= MAX_STREAMS) {
|
|
mp_msg(MSGT_DEMUX,MSGL_ERR,"Invalid video stream %d. No video will be played.\n", demuxer->video->id);
|
|
demuxer->video->id = -2;
|
|
} else if ((demuxer->video->id >= 0) && (priv->str_data_offset[demuxer->video->id] == 0)) {
|
|
mp_msg(MSGT_DEMUX,MSGL_ERR,"Video stream %d not found. No video will be played.\n", demuxer->video->id);
|
|
demuxer->video->id = -2;
|
|
}
|
|
}
|
|
|
|
if(priv->is_multirate && ((demuxer->video->id >= 0) || (demuxer->audio->id >=0))) {
|
|
/* If audio or video only, seek to right place and behave like standard file */
|
|
if (demuxer->video->id < 0) {
|
|
// Stream is audio only, or -novideo
|
|
stream_seek(demuxer->stream, priv->data_chunk_offset = priv->str_data_offset[demuxer->audio->id]+10);
|
|
priv->is_multirate = 0;
|
|
}
|
|
if (demuxer->audio->id < 0) {
|
|
// Stream is video only, or -nosound
|
|
stream_seek(demuxer->stream, priv->data_chunk_offset = priv->str_data_offset[demuxer->video->id]+10);
|
|
priv->is_multirate = 0;
|
|
}
|
|
}
|
|
|
|
if(!priv->is_multirate) {
|
|
// printf("i=%d num_of_headers=%d \n",i,num_of_headers);
|
|
priv->num_of_packets = stream_read_dword(demuxer->stream);
|
|
stream_skip(demuxer->stream, 4); /* next data header */
|
|
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"Packets in file: %d\n", priv->num_of_packets);
|
|
|
|
if (priv->num_of_packets == 0)
|
|
priv->num_of_packets = -10;
|
|
} else {
|
|
priv->audio_curpos = priv->str_data_offset[demuxer->audio->id] + 18;
|
|
stream_seek(demuxer->stream, priv->str_data_offset[demuxer->audio->id]+10);
|
|
priv->a_num_of_packets=priv->a_num_of_packets = stream_read_dword(demuxer->stream);
|
|
priv->video_curpos = priv->str_data_offset[demuxer->video->id] + 18;
|
|
stream_seek(demuxer->stream, priv->str_data_offset[demuxer->video->id]+10);
|
|
priv->v_num_of_packets = stream_read_dword(demuxer->stream);
|
|
priv->stream_switch = 1;
|
|
/* Index required for multirate playback, force building if it's not there */
|
|
/* but respect user request to force index regeneration */
|
|
if (index_mode == -1)
|
|
index_mode = 1;
|
|
}
|
|
|
|
|
|
priv->audio_need_keyframe = 0;
|
|
priv->video_after_seek = 0;
|
|
|
|
switch (index_mode){
|
|
case -1: // untouched
|
|
if (priv->index_chunk_offset && parse_index_chunk(demuxer))
|
|
{
|
|
demuxer->seekable = 1;
|
|
}
|
|
break;
|
|
case 1: // use (generate index)
|
|
if (priv->index_chunk_offset && parse_index_chunk(demuxer))
|
|
{
|
|
demuxer->seekable = 1;
|
|
} else {
|
|
generate_index(demuxer);
|
|
demuxer->seekable = 1;
|
|
}
|
|
break;
|
|
case 2: // force generating index
|
|
generate_index(demuxer);
|
|
demuxer->seekable = 1;
|
|
break;
|
|
default: // do nothing
|
|
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:
|
|
if(!ds_fill_buffer(demuxer->video)){
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,"RM: " MSGTR_MissingVideoStream);
|
|
}
|
|
}
|
|
if(demuxer->audio->id==-1 && a_streams>0){
|
|
// find the valid audio stream:
|
|
if(!ds_fill_buffer(demuxer->audio)){
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,"RM: " MSGTR_MissingAudioStream);
|
|
}
|
|
}
|
|
|
|
if(demuxer->video->sh){
|
|
sh_video_t *sh=demuxer->video->sh;
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"VIDEO: %.4s [%08X,%08X] %dx%d (aspect %4.2f) %4.2f fps\n",
|
|
(char *)&sh->format,((unsigned int*)(sh->bih+1))[1],((unsigned int*)(sh->bih+1))[0],
|
|
sh->disp_w,sh->disp_h,sh->aspect,sh->fps);
|
|
}
|
|
|
|
if(demuxer->audio->sh){
|
|
sh_audio_t *sh=demuxer->audio->sh;
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"AUDIO: %.4s [%08X]\n",
|
|
(char *)&sh->format,sh->format);
|
|
}
|
|
|
|
return demuxer;
|
|
}
|
|
|
|
static void demux_close_real(demuxer_t *demuxer)
|
|
{
|
|
int i;
|
|
real_priv_t* priv = demuxer->priv;
|
|
|
|
if (priv){
|
|
for(i=0; i<MAX_STREAMS; i++)
|
|
if(priv->index_table[i])
|
|
free(priv->index_table[i]);
|
|
if (priv->audio_buf)
|
|
free(priv->audio_buf);
|
|
if (priv->audio_timestamp)
|
|
free(priv->audio_timestamp);
|
|
free(priv);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/* please upload RV10 samples WITH INDEX CHUNK */
|
|
static void demux_seek_real(demuxer_t *demuxer, float rel_seek_secs, float audio_delay, int flags)
|
|
{
|
|
real_priv_t *priv = demuxer->priv;
|
|
demux_stream_t *d_audio = demuxer->audio;
|
|
demux_stream_t *d_video = demuxer->video;
|
|
sh_audio_t *sh_audio = d_audio->sh;
|
|
sh_video_t *sh_video = d_video->sh;
|
|
int vid = d_video->id, aid = d_audio->id;
|
|
int next_offset = 0;
|
|
int64_t cur_timestamp = 0;
|
|
int streams = 0;
|
|
int retried = 0;
|
|
|
|
|
|
if (sh_video && (unsigned)vid < MAX_STREAMS && priv->index_table_size[vid])
|
|
streams |= 1;
|
|
if (sh_audio && (unsigned)aid < MAX_STREAMS && priv->index_table_size[aid])
|
|
streams |= 2;
|
|
|
|
// printf("streams: %d\n", streams);
|
|
|
|
if (!streams)
|
|
return;
|
|
|
|
if (flags & 1)
|
|
/* seek absolute */
|
|
priv->current_apacket = priv->current_vpacket = 0;
|
|
if (flags & 2) // percent seek
|
|
rel_seek_secs *= priv->duration;
|
|
|
|
if ((streams & 1) && priv->current_vpacket >= priv->index_table_size[vid])
|
|
priv->current_vpacket = priv->index_table_size[vid] - 1;
|
|
if ((streams & 2) && priv->current_apacket >= priv->index_table_size[aid])
|
|
priv->current_apacket = priv->index_table_size[aid] - 1;
|
|
|
|
// if (index_mode == 1 || index_mode == 2) {
|
|
if (streams & 1) {// use the video index if we have one
|
|
cur_timestamp = priv->index_table[vid][priv->current_vpacket].timestamp;
|
|
if (rel_seek_secs > 0)
|
|
while ((priv->index_table[vid][priv->current_vpacket].timestamp - cur_timestamp) < rel_seek_secs * 1000){
|
|
priv->current_vpacket += 1;
|
|
if (priv->current_vpacket >= priv->index_table_size[vid]) {
|
|
priv->current_vpacket = priv->index_table_size[vid] - 1;
|
|
if (!retried) {
|
|
stream_seek(demuxer->stream, priv->index_table[vid][priv->current_vpacket].offset);
|
|
add_index_segment(demuxer, vid, cur_timestamp + rel_seek_secs * 1000);
|
|
retried = 1;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
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) {
|
|
priv->current_vpacket = 0;
|
|
break;
|
|
}
|
|
}
|
|
next_offset = priv->index_table[vid][priv->current_vpacket].offset;
|
|
priv->audio_need_keyframe = 1;
|
|
priv->video_after_seek = 1;
|
|
}
|
|
else if (streams & 2) {
|
|
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;
|
|
if (priv->current_apacket >= priv->index_table_size[aid]) {
|
|
priv->current_apacket = priv->index_table_size[aid] - 1;
|
|
break;
|
|
}
|
|
}
|
|
else if (rel_seek_secs < 0)
|
|
while ((cur_timestamp - priv->index_table[aid][priv->current_apacket].timestamp) < - rel_seek_secs * 1000){
|
|
priv->current_apacket -= 1;
|
|
if (priv->current_apacket < 0) {
|
|
priv->current_apacket = 0;
|
|
break;
|
|
}
|
|
}
|
|
next_offset = priv->index_table[aid][priv->current_apacket].offset;
|
|
}
|
|
// }
|
|
// printf("seek: pos: %d, current packets: a: %d, v: %d\n",
|
|
// next_offset, priv->current_apacket, priv->current_vpacket);
|
|
if (next_offset)
|
|
stream_seek(demuxer->stream, next_offset);
|
|
|
|
demux_real_fill_buffer(demuxer, NULL);
|
|
}
|
|
|
|
static int demux_real_control(demuxer_t *demuxer, int cmd, void *arg)
|
|
{
|
|
real_priv_t *priv = demuxer->priv;
|
|
unsigned int lastpts = priv->v_pts ? priv->v_pts : priv->a_pts;
|
|
|
|
switch (cmd) {
|
|
case DEMUXER_CTRL_GET_TIME_LENGTH:
|
|
if (priv->duration == 0)
|
|
return DEMUXER_CTRL_DONTKNOW;
|
|
|
|
*((double *)arg) = (double)priv->duration;
|
|
return DEMUXER_CTRL_OK;
|
|
|
|
case DEMUXER_CTRL_GET_PERCENT_POS:
|
|
if (priv->duration == 0)
|
|
return DEMUXER_CTRL_DONTKNOW;
|
|
|
|
*((int *)arg) = (int)(100 * lastpts / priv->duration);
|
|
return DEMUXER_CTRL_OK;
|
|
|
|
default:
|
|
return DEMUXER_CTRL_NOTIMPL;
|
|
}
|
|
}
|
|
|
|
|
|
demuxer_desc_t demuxer_desc_real = {
|
|
"Realmedia demuxer",
|
|
"real",
|
|
"REAL",
|
|
"Alex Beregszasi, Florian Schneider, A'rpi, Roberto Togni",
|
|
"handles new .RMF files",
|
|
DEMUXER_TYPE_REAL,
|
|
1, // safe autodetect
|
|
real_check_file,
|
|
demux_real_fill_buffer,
|
|
demux_open_real,
|
|
demux_close_real,
|
|
demux_seek_real,
|
|
demux_real_control
|
|
};
|