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Some cleanups, add convert functions

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Original commit message from CVS:
Some cleanups, add convert functions
This commit is contained in:
Wim Taymans 2002-06-02 21:42:49 +00:00
parent 227da54688
commit cdfc0665ce
2 changed files with 87 additions and 26 deletions
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112
gst/avi/gstavidemux.c
View file

@ -158,6 +158,8 @@ static gboolean gst_avi_demux_send_event (GstElement *element, GstEvent *event)
static gboolean gst_avi_demux_handle_src_event (GstPad *pad, GstEvent *event);
static gboolean gst_avi_demux_handle_src_query (GstPad *pad, GstPadQueryType type,
GstFormat *format, gint64 *value);
static gboolean gst_avi_demux_src_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value);
static GstElementStateReturn
gst_avi_demux_change_state (GstElement *element);
@ -444,6 +446,7 @@ gst_avi_demux_strf_vids (GstAviDemux *avi_demux)
gst_pad_try_set_caps (srcpad, capslist);
gst_pad_set_event_function (srcpad, gst_avi_demux_handle_src_event);
gst_pad_set_query_function (srcpad, gst_avi_demux_handle_src_query);
gst_pad_set_convert_function (srcpad, gst_avi_demux_src_convert);
stream = &avi_demux->stream[avi_demux->num_streams];
stream->pad = srcpad;
@ -523,6 +526,7 @@ gst_avi_demux_strf_auds (GstAviDemux *avi_demux)
gst_pad_try_set_caps(srcpad, capslist);
gst_pad_set_event_function (srcpad, gst_avi_demux_handle_src_event);
gst_pad_set_query_function (srcpad, gst_avi_demux_handle_src_query);
gst_pad_set_convert_function (srcpad, gst_avi_demux_src_convert);
stream = &avi_demux->stream[avi_demux->num_streams];
stream->pad = srcpad;
@ -584,6 +588,7 @@ gst_avi_demux_strf_iavs (GstAviDemux *avi_demux)
gst_pad_try_set_caps(srcpad, capslist);
gst_pad_set_event_function (srcpad, gst_avi_demux_handle_src_event);
gst_pad_set_query_function (srcpad, gst_avi_demux_handle_src_query);
gst_pad_set_convert_function (srcpad, gst_avi_demux_src_convert);
stream = &avi_demux->stream[avi_demux->num_streams];
stream->pad = srcpad;
@ -597,7 +602,7 @@ gst_avi_demux_strf_iavs (GstAviDemux *avi_demux)
static void
gst_avi_debug_entry (const gchar *prefix, gst_avi_index_entry *entry)
{
GST_DEBUG (0, "%s: %05d %d %08llx %05d %08lld %08x %08x %08x\n", prefix, entry->index_nr, entry->stream_nr,
GST_DEBUG (0, "%s: %05d %d %08llx %05d %08lld %08x %08x %08x", prefix, entry->index_nr, entry->stream_nr,
entry->bytes_before, entry->frames_before, entry->ts, entry->flags, entry->offset, entry->size);
}
@ -655,6 +660,7 @@ gst_avi_demux_parse_index (GstAviDemux *avi_demux,
avi_stream_context *stream;
gint stream_nr;
gst_avi_index_entry *target = &avi_demux->index_entries[i];
GstFormat format;
stream_nr = CHUNKID_TO_STREAMNR (entry[i].id);
target->stream_nr = stream_nr;
@ -668,11 +674,14 @@ gst_avi_demux_parse_index (GstAviDemux *avi_demux,
target->bytes_before = stream->total_bytes;
target->frames_before = stream->total_frames;
format = GST_FORMAT_TIME;
if (stream->strh.type == GST_RIFF_FCC_auds) {
target->ts = stream->total_bytes * GST_SECOND * stream->strh.scale / stream->strh.rate;
gst_pad_convert (stream->pad, GST_FORMAT_BYTES, stream->total_bytes,
&format, &target->ts);
}
else {
target->ts = stream->total_frames * GST_SECOND * stream->strh.scale / stream->strh.rate;
gst_pad_convert (stream->pad, GST_FORMAT_UNITS, stream->total_frames,
&format, &target->ts);
}
gst_avi_debug_entry ("index", target);
@ -684,7 +693,7 @@ gst_avi_demux_parse_index (GstAviDemux *avi_demux,
end:
avi_demux->index_offset = filepos;
GST_DEBUG (GST_CAT_PLUGIN_INFO, "index offset at %08lx\n", filepos);
GST_DEBUG (GST_CAT_PLUGIN_INFO, "index offset at %08lx", filepos);
if (!gst_bytestream_seek (avi_demux->bs, filepos, GST_SEEK_METHOD_SET)) {
GST_INFO (GST_CAT_PLUGIN_INFO, "avidemux: could not seek back to movi");
@ -732,6 +741,61 @@ gst_avi_demux_index_entry_for_time (GstAviDemux *avi_demux, gint stream_nr, guin
return last_entry;
}
static gboolean
gst_avi_demux_src_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value)
{
gboolean res = TRUE;
avi_stream_context *stream = gst_pad_get_element_private (pad);
switch (src_format) {
case GST_FORMAT_TIME:
switch (*dest_format) {
case GST_FORMAT_BYTES:
if (stream->strh.type == GST_RIFF_FCC_auds)
*dest_value = src_value * stream->strh.rate / (stream->strh.scale * GST_SECOND);
else
res = FALSE;
break;
case GST_FORMAT_DEFAULT:
*dest_format = GST_FORMAT_UNITS;
case GST_FORMAT_UNITS:
*dest_value = src_value * stream->strh.rate / (stream->strh.scale * GST_SECOND);
break;
default:
res = FALSE;
break;
}
break;
case GST_FORMAT_BYTES:
switch (*dest_format) {
case GST_FORMAT_TIME:
if (stream->strh.type == GST_RIFF_FCC_auds)
*dest_value = src_value * GST_SECOND * stream->strh.scale / stream->strh.rate;
else
res = FALSE;
default:
res = FALSE;
break;
}
break;
case GST_FORMAT_UNITS:
switch (*dest_format) {
case GST_FORMAT_TIME:
*dest_value = src_value * GST_SECOND * stream->strh.scale / stream->strh.rate;
break;
default:
res = FALSE;
break;
}
break;
default:
res = FALSE;
}
return res;
}
static gboolean
gst_avi_demux_handle_src_query (GstPad *pad, GstPadQueryType type,
GstFormat *format, gint64 *value)
@ -747,7 +811,7 @@ gst_avi_demux_handle_src_query (GstPad *pad, GstPadQueryType type,
*format = GST_FORMAT_TIME;
/* fall through */
case GST_FORMAT_TIME:
*value = GST_SECOND * stream->strh.scale *stream->strh.length / stream->strh.rate;
*value = GST_SECOND * stream->strh.scale * stream->strh.length / stream->strh.rate;
break;
case GST_FORMAT_BYTES:
if (stream->strh.type == GST_RIFF_FCC_auds)
@ -774,10 +838,10 @@ gst_avi_demux_handle_src_query (GstPad *pad, GstPadQueryType type,
*format = GST_FORMAT_TIME;
/* fall through */
case GST_FORMAT_TIME:
if (stream->strh.type == GST_RIFF_FCC_auds)
*value = stream->current_byte * GST_SECOND / stream->strh.rate;
else
*value = stream->next_ts;
if (stream->strh.type == GST_RIFF_FCC_vids)
*value = stream->current_frame * GST_SECOND * stream->strh.scale / stream->strh.rate;
else
*value = stream->current_byte * GST_SECOND * stream->strh.scale / stream->strh.rate;
break;
case GST_FORMAT_BYTES:
*value = stream->current_byte;
@ -814,7 +878,7 @@ gst_avi_demux_sync_streams (GstAviDemux *avi_demux, guint64 time)
for (i = 0; i < avi_demux->num_streams; i++) {
stream = &avi_demux->stream[i];
GST_DEBUG (0, "finding %d for time %lld\n", i, time);
GST_DEBUG (0, "finding %d for time %lld", i, time);
entry = gst_avi_demux_index_entry_for_time (avi_demux, stream->num, time, GST_RIFF_IF_KEYFRAME);
if (entry) {
@ -836,12 +900,11 @@ gst_avi_demux_sync_streams (GstAviDemux *avi_demux, guint64 time)
entry = gst_avi_demux_index_next (avi_demux, stream->num, min_index, GST_RIFF_IF_KEYFRAME);
gst_avi_debug_entry ("final sync", entry);
stream->next_ts = next_entry->ts;
stream->current_byte = next_entry->bytes_before;
stream->current_frame = next_entry->frames_before;
stream->skip = entry->frames_before - next_entry->frames_before;
GST_DEBUG (0, "%d skip %d\n", stream->num, stream->skip);
GST_DEBUG (0, "%d skip %d", stream->num, stream->skip);
}
return min_index;
@ -939,10 +1002,10 @@ gst_avi_demux_handle_sink_event (GstAviDemux *avi_demux)
gst_pad_event_default (avi_demux->sinkpad, event);
break;
case GST_EVENT_SEEK:
g_warning ("seek event\n");
g_warning ("seek event");
break;
case GST_EVENT_FLUSH:
g_warning ("flush event\n");
g_warning ("flush event");
break;
case GST_EVENT_DISCONTINUOUS:
{
@ -958,7 +1021,7 @@ gst_avi_demux_handle_sink_event (GstAviDemux *avi_demux)
break;
}
default:
g_warning ("unhandled event %d\n", type);
g_warning ("unhandled event %d", type);
break;
}
@ -973,7 +1036,7 @@ gst_avi_demux_read_chunk (GstAviDemux *avi_demux, guint32 *id, guint32 *size)
guint32 got_bytes;
if (avi_demux->seek_pending) {
GST_DEBUG (0, "avidemux: seek pending to %lld %08llx\n", avi_demux->seek_offset, avi_demux->seek_offset);
GST_DEBUG (0, "avidemux: seek pending to %lld %08llx", avi_demux->seek_offset, avi_demux->seek_offset);
if (!gst_bytestream_seek (avi_demux->bs, avi_demux->seek_offset, GST_SEEK_METHOD_SET)) {
GST_INFO (GST_CAT_PLUGIN_INFO, "avidemux: could not seek");
}
@ -1110,6 +1173,8 @@ gst_avi_demux_process_chunk (GstAviDemux *avi_demux, guint64 *filepos,
{
gint stream_id;
avi_stream_context *stream;
gint64 next_ts;
GstFormat format;
stream_id = CHUNKID_TO_STREAMNR (chunkid);
@ -1118,14 +1183,11 @@ gst_avi_demux_process_chunk (GstAviDemux *avi_demux, guint64 *filepos,
GST_DEBUG (0,"gst_avi_demux_chain: tag found %08x size %08x",
chunkid, *chunksize);
if (stream->strh.type == GST_RIFF_FCC_vids) {
stream->next_ts = stream->current_frame * GST_SECOND * stream->strh.scale / stream->strh.rate;
}
else {
stream->next_ts = stream->current_byte * GST_SECOND * stream->strh.scale / stream->strh.rate;
}
format = GST_FORMAT_TIME;
gst_pad_query (stream->pad, GST_PAD_QUERY_POSITION, &format, &next_ts);
if (stream->strh.init_frames == stream->current_frame && stream->delay==0)
stream->delay = stream->next_ts;
stream->delay = next_ts;
if (stream->skip) {
stream->skip--;
@ -1138,13 +1200,13 @@ gst_avi_demux_process_chunk (GstAviDemux *avi_demux, guint64 *filepos,
if (*chunksize) {
got_bytes = gst_bytestream_peek (bs, &buf, *chunksize);
GST_BUFFER_TIMESTAMP (buf) = stream->next_ts;
GST_BUFFER_TIMESTAMP (buf) = next_ts;
if (stream->need_flush) {
/* FIXME, do some flush event here */
stream->need_flush = FALSE;
}
GST_DEBUG (0, "send stream %d: %lld %d %lld %08x\n", stream_id, stream->next_ts, stream->current_frame,
GST_DEBUG (0, "send stream %d: %lld %d %lld %08x", stream_id, next_ts, stream->current_frame,
stream->delay, *chunksize);
gst_pad_push(stream->pad, buf);

1
gst/avi/gstavidemux.h
View file

@ -69,7 +69,6 @@ typedef struct
GstPad *pad;
gint num;
gst_riff_strh strh;
guint64 next_ts;
guint32 current_frame;
guint32 current_byte;
guint64 delay;