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avi: rewrite index playback

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disable code, start on reimplementing loop based operation.
Rewrite the index handling so that all streams use their own index for decoding
media.
This commit is contained in:
Wim Taymans 2009-09-21 18:04:25 +02:00 committed by Wim Taymans
parent 89bcbbbe7c
commit 9c37611dfa
2 changed files with 631 additions and 391 deletions
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982
gst/avi/gstavidemux.c
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40
gst/avi/gstavidemux.h
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@ -49,19 +49,6 @@ G_BEGIN_DECLS
#define GST_AVI_INDEX_ENTRY_FLAG_KEYFRAME 1
/* 48 bytes */
typedef struct {
guint index_nr; /* = (entry-index_entries)/sizeof(gst_avi_index_entry); */
guchar stream_nr;
guchar flags;
guint64 ts;
guint64 dur; /* =entry[1].ts-entry->ts */
guint64 offset;
guint64 bytes_before; /* calculated */
guint32 frames_before; /* calculated */
guint32 size; /* could be read from the chunk (if we don't split) */
} gst_avi_index_entry;
/* new index entries 24 bytes */
typedef struct {
guint32 flags;
@ -88,15 +75,21 @@ typedef struct {
GstBuffer *extradata, *initdata;
gchar *name;
/* the start/step/stop entries */
guint start_entry;
guint step_entry;
guint stop_entry;
/* current position (byte, frame, time) and other status vars */
guint current_entry;
guint current_frame;
guint64 current_byte;
guint64 current_time;
GstFlowReturn last_flow;
gboolean discont;
/* stream length */
guint64 total_bytes;
guint32 total_frames;
guint32 total_blocks;
guint n_keyframes;
/* stream length according to index */
@ -119,7 +112,7 @@ typedef struct {
guint idx_max; /* max allocated size of entries */
GstTagList *taglist;
} avi_stream_context;
} GstAviStream;
typedef enum {
GST_AVI_DEMUX_START,
@ -148,25 +141,19 @@ typedef struct _GstAviDemux {
guint64 offset;
gboolean abort_buffering;
/* index */
gst_avi_index_entry *index_entries;
guint index_size;
/* index offset in the file */
guint64 index_offset;
guint current_entry;
guint reverse_start_index;
guint reverse_stop_index;
/* streams */
GstAviStream stream[GST_AVI_DEMUX_MAX_STREAMS];
guint num_streams;
guint num_v_streams;
guint num_a_streams;
guint num_t_streams; /* subtitle text streams */
avi_stream_context stream[GST_AVI_DEMUX_MAX_STREAMS];
/* for streaming mode */
gboolean streaming;
gboolean have_eos;
gboolean streaming;
gboolean have_eos;
GstAdapter *adapter;
/* some stream info for length */
@ -179,8 +166,7 @@ typedef struct _GstAviDemux {
/* pending tags/events */
GstEvent *seek_event;
GstTagList *globaltags;
gboolean got_tags;
gboolean got_tags;
} GstAviDemux;
typedef struct _GstAviDemuxClass {