]> git.sesse.net Git - vlc/blobdiff - modules/demux/avformat/demux.c
Merge branch 1.0-bugfix
[vlc] / modules / demux / avformat / demux.c
index 8222aa1bf9c8f3e987c1503d3b37fc2cc713fee0..dd0f7c93d2f579f595f2405bd607d23aa60b6dc0 100644 (file)
@@ -34,6 +34,9 @@
 #include <vlc_demux.h>
 #include <vlc_stream.h>
 #include <vlc_meta.h>
+#include <vlc_input.h>
+#include <vlc_charset.h>
+#include <vlc_avcodec.h>
 
 /* ffmpeg header */
 #if defined(HAVE_LIBAVFORMAT_AVFORMAT_H)
@@ -42,8 +45,7 @@
 #   include <ffmpeg/avformat.h>
 #endif
 
-#include "../../codec/avcodec/fourcc.h"
-#include "../../codec/avcodec/chroma.h"
+#include "../../codec/avcodec/avcodec.h"
 #include "avformat.h"
 
 //#define AVFORMAT_DEBUG 1
 /* Version checking */
 #if defined(HAVE_FFMPEG_AVFORMAT_H) || defined(HAVE_LIBAVFORMAT_AVFORMAT_H)
 
+#if (LIBAVCODEC_VERSION_INT >= ((51<<16)+(50<<8)+0) )
+#   define HAVE_FFMPEG_CODEC_ATTACHMENT 1
+#endif
+
+#if (LIBAVFORMAT_VERSION_INT >= ((52<<16)+(15<<8)+0) )
+#   define HAVE_FFMPEG_CHAPTERS 1
+#endif
+
 /*****************************************************************************
  * demux_sys_t: demux descriptor
  *****************************************************************************/
@@ -71,6 +81,12 @@ struct demux_sys_t
     int64_t     i_pcr;
     int64_t     i_pcr_inc;
     int         i_pcr_tk;
+
+    int                i_attachments;
+    input_attachment_t **attachments;
+
+    /* Only one title with seekpoints possible atm. */
+    input_title_t *p_title;
 };
 
 /*****************************************************************************
@@ -80,7 +96,9 @@ static int Demux  ( demux_t *p_demux );
 static int Control( demux_t *p_demux, int i_query, va_list args );
 
 static int IORead( void *opaque, uint8_t *buf, int buf_size );
-static offset_t IOSeek( void *opaque, offset_t offset, int whence );
+static int64_t IOSeek( void *opaque, int64_t offset, int whence );
+
+static void UpdateSeekPoint( demux_t *p_demux, int64_t i_time );
 
 /*****************************************************************************
  * Open
@@ -91,8 +109,9 @@ int OpenDemux( vlc_object_t *p_this )
     demux_sys_t   *p_sys;
     AVProbeData   pd;
     AVInputFormat *fmt;
-    unsigned int i;
-    bool b_avfmt_nofile;
+    unsigned int  i;
+    bool          b_avfmt_nofile;
+    int64_t       i_start_time = -1;
 
     /* Init Probe data */
     pd.filename = p_demux->psz_path;
@@ -154,6 +173,8 @@ int OpenDemux( vlc_object_t *p_this )
     p_sys->tk = NULL;
     p_sys->i_pcr_tk = -1;
     p_sys->i_pcr = -1;
+    TAB_INIT( p_sys->i_attachments, p_sys->attachments);
+    p_sys->p_title = NULL;
 
     /* Create I/O wrapper */
     p_sys->io_buffer_size = 32768;  /* FIXME */
@@ -166,7 +187,7 @@ int OpenDemux( vlc_object_t *p_this )
                     (int (*) (URLContext *, unsigned char *, int))IORead;
     p_sys->url.prot->url_write = 0;
     p_sys->url.prot->url_seek =
-                    (offset_t (*) (URLContext *, offset_t, int))IOSeek;
+                    (int64_t (*) (URLContext *, int64_t, int))IOSeek;
     p_sys->url.prot->url_close = 0;
     p_sys->url.prot->next = 0;
     init_put_byte( &p_sys->io, p_sys->io_buffer, p_sys->io_buffer_size,
@@ -185,13 +206,16 @@ int OpenDemux( vlc_object_t *p_this )
         return VLC_EGENERIC;
     }
 
+    vlc_avcodec_lock(); /* avformat calls avcodec behind our back!!! */
     if( av_find_stream_info( p_sys->ic ) < 0 )
     {
+        vlc_avcodec_unlock();
         msg_Err( p_demux, "av_find_stream_info failed" );
         if( !b_avfmt_nofile ) p_sys->fmt->flags ^= AVFMT_NOFILE;
         CloseDemux( p_this );
         return VLC_EGENERIC;
     }
+    vlc_avcodec_unlock();
     if( !b_avfmt_nofile ) p_sys->fmt->flags ^= AVFMT_NOFILE;
 
     for( i = 0; i < p_sys->ic->nb_streams; i++ )
@@ -200,30 +224,41 @@ int OpenDemux( vlc_object_t *p_this )
         es_out_id_t  *es;
         es_format_t  fmt;
         vlc_fourcc_t fcc;
+        const char *psz_type = "unknown";
 
         if( !GetVlcFourcc( cc->codec_id, NULL, &fcc, NULL ) )
-        {
             fcc = VLC_FOURCC( 'u', 'n', 'd', 'f' );
 
-            /* Special case for raw video data */
-            if( cc->codec_id == CODEC_ID_RAWVIDEO )
-            {
-                msg_Dbg( p_demux, "raw video, pixel format: %i", cc->pix_fmt );
-                fcc = GetVlcChroma( cc->pix_fmt );
-            }
-        }
-
         switch( cc->codec_type )
         {
         case CODEC_TYPE_AUDIO:
             es_format_Init( &fmt, AUDIO_ES, fcc );
             fmt.audio.i_channels = cc->channels;
             fmt.audio.i_rate = cc->sample_rate;
+#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
             fmt.audio.i_bitspersample = cc->bits_per_sample;
+#else
+            fmt.audio.i_bitspersample = cc->bits_per_coded_sample;
+#endif
             fmt.audio.i_blockalign = cc->block_align;
+            psz_type = "audio";
             break;
+
         case CODEC_TYPE_VIDEO:
             es_format_Init( &fmt, VIDEO_ES, fcc );
+
+            /* Special case for raw video data */
+            if( cc->codec_id == CODEC_ID_RAWVIDEO )
+            {
+                msg_Dbg( p_demux, "raw video, pixel format: %i", cc->pix_fmt );
+                if( GetVlcChroma( &fmt.video, cc->pix_fmt ) != VLC_SUCCESS)
+                {
+                    msg_Err( p_demux, "was unable to find a FourCC match for raw video" );
+                }
+                else
+                    fmt.i_codec = fmt.video.i_chroma;
+            }
+
             fmt.video.i_width = cc->width;
             fmt.video.i_height = cc->height;
             if( cc->palctrl )
@@ -231,36 +266,85 @@ int OpenDemux( vlc_object_t *p_this )
                 fmt.video.p_palette = malloc( sizeof(video_palette_t) );
                 *fmt.video.p_palette = *(video_palette_t *)cc->palctrl;
             }
+            psz_type = "video";
             break;
+
         case CODEC_TYPE_SUBTITLE:
             es_format_Init( &fmt, SPU_ES, fcc );
+            psz_type = "subtitle";
             break;
+
         default:
+            es_format_Init( &fmt, UNKNOWN_ES, 0 );
+#ifdef HAVE_FFMPEG_CODEC_ATTACHMENT
+            if( cc->codec_type == CODEC_TYPE_ATTACHMENT )
+            {
+                input_attachment_t *p_attachment;
+                psz_type = "attachment";
+                if( cc->codec_id == CODEC_ID_TTF )
+                {
+                    p_attachment = vlc_input_attachment_New( p_sys->ic->streams[i]->filename, "application/x-truetype-font", NULL,
+                                             cc->extradata, (int)cc->extradata_size );
+                    TAB_APPEND( p_sys->i_attachments, p_sys->attachments, p_attachment );
+                }
+                else msg_Warn( p_demux, "unsupported attachment type in ffmpeg demux" );
+            }
+            break;
+#endif
+
+            if( cc->codec_type == CODEC_TYPE_DATA )
+                psz_type = "data";
+
             msg_Warn( p_demux, "unsupported track type in ffmpeg demux" );
             break;
         }
+        fmt.psz_language = p_sys->ic->streams[i]->language;
 
-        fmt.psz_language = strdup( p_sys->ic->streams[i]->language );
-        fmt.i_extra = cc->extradata_size;
-        fmt.p_extra = cc->extradata;
+#ifdef HAVE_FFMPEG_CODEC_ATTACHMENT
+        if( cc->codec_type != CODEC_TYPE_ATTACHMENT )
+#endif
+        {
+            fmt.i_extra = cc->extradata_size;
+            fmt.p_extra = cc->extradata;
+        }
         es = es_out_Add( p_demux->out, &fmt );
 
         msg_Dbg( p_demux, "adding es: %s codec = %4.4s",
-                 cc->codec_type == CODEC_TYPE_AUDIO ? "audio" : "video",
-                 (char*)&fcc );
+                 psz_type, (char*)&fcc );
         TAB_APPEND( p_sys->i_tk, p_sys->tk, es );
     }
+    if( p_sys->ic->start_time != (int64_t)AV_NOPTS_VALUE )
+        i_start_time = p_sys->ic->start_time * 1000000 / AV_TIME_BASE;
 
     msg_Dbg( p_demux, "AVFormat supported stream" );
     msg_Dbg( p_demux, "    - format = %s (%s)",
              p_sys->fmt->name, p_sys->fmt->long_name );
-    msg_Dbg( p_demux, "    - start time = %"PRId64,
-             ( p_sys->ic->start_time != (int64_t)AV_NOPTS_VALUE ) ?
-             p_sys->ic->start_time * 1000000 / AV_TIME_BASE : -1 );
+    msg_Dbg( p_demux, "    - start time = %"PRId64, i_start_time );
     msg_Dbg( p_demux, "    - duration = %"PRId64,
              ( p_sys->ic->duration != (int64_t)AV_NOPTS_VALUE ) ?
              p_sys->ic->duration * 1000000 / AV_TIME_BASE : -1 );
 
+#ifdef HAVE_FFMPEG_CHAPTERS
+    if( p_sys->ic->nb_chapters > 0 )
+        p_sys->p_title = vlc_input_title_New();
+    for( i = 0; i < p_sys->ic->nb_chapters; i++ )
+    {
+        seekpoint_t *s = vlc_seekpoint_New();
+
+        if( p_sys->ic->chapters[i]->title )
+        {
+            s->psz_name = strdup( p_sys->ic->chapters[i]->title );
+            EnsureUTF8( s->psz_name );
+            msg_Dbg( p_demux, "    - chapter %d: %s", i, s->psz_name );
+        }
+        s->i_time_offset = p_sys->ic->chapters[i]->start * 1000000 *
+            p_sys->ic->chapters[i]->time_base.num /
+            p_sys->ic->chapters[i]->time_base.den -
+            (i_start_time != -1 ? i_start_time : 0 );
+        TAB_APPEND( p_sys->p_title->i_seekpoint, p_sys->p_title->seekpoint, s );
+    }
+#endif
+
     return VLC_SUCCESS;
 }
 
@@ -280,6 +364,13 @@ void CloseDemux( vlc_object_t *p_this )
     if( p_sys->ic ) av_close_input_file( p_sys->ic );
     if( !b_avfmt_nofile ) p_sys->fmt->flags ^= AVFMT_NOFILE;
 
+    for( int i = 0; i < p_sys->i_attachments; i++ )
+        free( p_sys->attachments[i] );
+    TAB_CLEAN( p_sys->i_attachments, p_sys->attachments);
+
+    if( p_sys->p_title )
+        vlc_input_title_Delete( p_sys->p_title );
+
     free( p_sys->io_buffer );
     free( p_sys );
 }
@@ -315,16 +406,20 @@ static int Demux( demux_t *p_demux )
         p_frame->i_flags |= BLOCK_FLAG_TYPE_I;
 
     i_start_time = ( p_sys->ic->start_time != (int64_t)AV_NOPTS_VALUE ) ?
-        ( p_sys->ic->start_time / AV_TIME_BASE )  : 0;
+        ( p_sys->ic->start_time * 1000000 / AV_TIME_BASE )  : 0;
 
     p_frame->i_dts = ( pkt.dts == (int64_t)AV_NOPTS_VALUE ) ?
-        0 : (pkt.dts - i_start_time) * 1000000 *
+        0 : (pkt.dts) * 1000000 *
         p_sys->ic->streams[pkt.stream_index]->time_base.num /
-        p_sys->ic->streams[pkt.stream_index]->time_base.den;
+        p_sys->ic->streams[pkt.stream_index]->time_base.den - i_start_time;
     p_frame->i_pts = ( pkt.pts == (int64_t)AV_NOPTS_VALUE ) ?
-        0 : (pkt.pts - i_start_time) * 1000000 *
+        0 : (pkt.pts) * 1000000 *
         p_sys->ic->streams[pkt.stream_index]->time_base.num /
-        p_sys->ic->streams[pkt.stream_index]->time_base.den;
+        p_sys->ic->streams[pkt.stream_index]->time_base.den - i_start_time;
+    if( pkt.duration > 0 )
+        p_frame->i_length = pkt.duration * 1000000 *
+            p_sys->ic->streams[pkt.stream_index]->time_base.num /
+            p_sys->ic->streams[pkt.stream_index]->time_base.den - i_start_time;
 
 #ifdef AVFORMAT_DEBUG
     msg_Dbg( p_demux, "tk[%d] dts=%"PRId64" pts=%"PRId64,
@@ -341,10 +436,34 @@ static int Demux( demux_t *p_demux )
     }
 
     es_out_Send( p_demux->out, p_sys->tk[pkt.stream_index], p_frame );
+
+    UpdateSeekPoint( p_demux, p_sys->i_pcr);
     av_free_packet( &pkt );
     return 1;
 }
 
+static void UpdateSeekPoint( demux_t *p_demux, int64_t i_time )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    int i;
+
+    if( !p_sys->p_title )
+        return;
+
+    for( i = 0; i < p_sys->p_title->i_seekpoint; i++ )
+    {
+        if( i_time < p_sys->p_title->seekpoint[i]->i_time_offset )
+            break;
+    }
+    i--;
+
+    if( i != p_demux->info.i_seekpoint && i >= 0 )
+    {
+        p_demux->info.i_seekpoint = i;
+        p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
+    }
+}
+
 /*****************************************************************************
  * Control:
  *****************************************************************************/
@@ -388,13 +507,12 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
                     (av_seek_frame( p_sys->ic, -1, i64, 0 ) < 0) )
                 {
                     int64_t i_size = stream_Size( p_demux->s );
-                    i64 = (int64_t)i_size * f;
 
                     msg_Warn( p_demux, "DEMUX_SET_BYTE_POSITION: %"PRId64, i64 );
-                    if( av_seek_frame( p_sys->ic, -1, i64, AVSEEK_FLAG_BYTE ) < 0 )
+                    if( av_seek_frame( p_sys->ic, -1, (i_size * f), AVSEEK_FLAG_BYTE ) < 0 )
                         return VLC_EGENERIC;
                 }
-                es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
+                UpdateSeekPoint( p_demux, i64 );
                 p_sys->i_pcr = -1; /* Invalidate time display */
             }
             return VLC_SUCCESS;
@@ -415,6 +533,7 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
 
         case DEMUX_SET_TIME:
             i64 = (int64_t)va_arg( args, int64_t );
+            i64 = i64 *AV_TIME_BASE / 1000000;
             if( p_sys->ic->start_time != (int64_t)AV_NOPTS_VALUE )
                 i64 += p_sys->ic->start_time;
 
@@ -424,9 +543,17 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
             {
                 return VLC_EGENERIC;
             }
-            es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
             p_sys->i_pcr = -1; /* Invalidate time display */
+            UpdateSeekPoint( p_demux, i64 );
+            return VLC_SUCCESS;
+
+        case DEMUX_HAS_UNSUPPORTED_META:
+        {
+            bool *pb_bool = (bool*)va_arg( args, bool* );
+            *pb_bool = true;
             return VLC_SUCCESS;
+        }
+
 
         case DEMUX_GET_META:
         {
@@ -452,6 +579,69 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
             return VLC_SUCCESS;
         }
 
+        case DEMUX_GET_ATTACHMENTS:
+        {
+            input_attachment_t ***ppp_attach =
+                (input_attachment_t***)va_arg( args, input_attachment_t*** );
+            int *pi_int = (int*)va_arg( args, int * );
+            int i;
+
+            if( p_sys->i_attachments <= 0 )
+                return VLC_EGENERIC;
+
+            *pi_int = p_sys->i_attachments;;
+            *ppp_attach = malloc( sizeof(input_attachment_t**) * p_sys->i_attachments );
+            for( i = 0; i < p_sys->i_attachments; i++ )
+                (*ppp_attach)[i] = vlc_input_attachment_Duplicate( p_sys->attachments[i] );
+            return VLC_SUCCESS;
+        }
+
+        case DEMUX_GET_TITLE_INFO:
+        {
+            input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
+            int *pi_int    = (int*)va_arg( args, int* );
+            int *pi_title_offset = (int*)va_arg( args, int* );
+            int *pi_seekpoint_offset = (int*)va_arg( args, int* );
+
+            if( !p_sys->p_title )
+                return VLC_EGENERIC;
+
+            *pi_int = 1;
+            *ppp_title = malloc( sizeof( input_title_t**) );
+            (*ppp_title)[0] = vlc_input_title_Duplicate( p_sys->p_title );
+            *pi_title_offset = 0;
+            *pi_seekpoint_offset = 0;
+            return VLC_SUCCESS;
+        }
+        case DEMUX_SET_TITLE:
+        {
+            const int i_title = (int)va_arg( args, int );
+            if( !p_sys->p_title || i_title != 0 )
+                return VLC_EGENERIC;
+            return VLC_SUCCESS;
+        }
+        case DEMUX_SET_SEEKPOINT:
+        {
+            const int i_seekpoint = (int)va_arg( args, int );
+            if( !p_sys->p_title )
+                return VLC_EGENERIC;
+
+            i64 = p_sys->p_title->seekpoint[i_seekpoint]->i_time_offset *AV_TIME_BASE / 1000000;
+            if( p_sys->ic->start_time != (int64_t)AV_NOPTS_VALUE )
+                i64 += p_sys->ic->start_time;
+
+            msg_Warn( p_demux, "DEMUX_SET_TIME: %"PRId64, i64 );
+
+            if( av_seek_frame( p_sys->ic, -1, i64, 0 ) < 0 )
+            {
+                return VLC_EGENERIC;
+            }
+            p_sys->i_pcr = -1; /* Invalidate time display */
+            UpdateSeekPoint( p_demux, i64 );
+            return VLC_SUCCESS;
+        }
+
+
         default:
             return VLC_EGENERIC;
     }
@@ -464,11 +654,12 @@ static int IORead( void *opaque, uint8_t *buf, int buf_size )
 {
     URLContext *p_url = opaque;
     demux_t *p_demux = p_url->priv_data;
+    if( buf_size < 0 ) return -1;
     int i_ret = stream_Read( p_demux->s, buf, buf_size );
     return i_ret ? i_ret : -1;
 }
 
-static offset_t IOSeek( void *opaque, offset_t offset, int whence )
+static int64_t IOSeek( void *opaque, int64_t offset, int whence )
 {
     URLContext *p_url = opaque;
     demux_t *p_demux = p_url->priv_data;
@@ -481,33 +672,39 @@ static offset_t IOSeek( void *opaque, offset_t offset, int whence )
 
     switch( whence )
     {
+#ifdef AVSEEK_SIZE
+        case AVSEEK_SIZE:
+            return i_size;
+#endif
         case SEEK_SET:
+            i_absolute = (int64_t)offset;
             break;
         case SEEK_CUR:
-            i_absolute = stream_Tell( p_demux->s ) + offset;
+            i_absolute = stream_Tell( p_demux->s ) + (int64_t)offset;
             break;
         case SEEK_END:
-            i_absolute = i_size + offset;
+            i_absolute = i_size + (int64_t)offset;
             break;
         default:
             return -1;
 
     }
+
     if( i_absolute < 0 )
-        i_absolute = 0;
-    if( i_size )
     {
-        if( i_absolute > i_size )
-            i_absolute = i_size;
-        if( stream_Tell( p_demux->s ) >= i_size )
-        {
-            msg_Err( p_demux, "Seeking too far : EOF?" );
-            return -1;
-        }
+        msg_Dbg( p_demux, "Trying to seek before the beginning" );
+        return -1;
+    }
+
+    if( i_size > 0 && i_absolute >= i_size )
+    {
+        msg_Dbg( p_demux, "Trying to seek too far : EOF?" );
+        return -1;
     }
 
     if( stream_Seek( p_demux->s, i_absolute ) )
     {
+        msg_Warn( p_demux, "we were not allowed to seek, or EOF " );
         return -1;
     }