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gst/avi/gstavidemux.c: Fix position query for audio. also fixes timestamps in streaming mode and bug #364958.

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Original commit message from CVS:
* gst/avi/gstavidemux.c: (gst_avi_demux_handle_src_query),
(gst_avi_demux_parse_file_header),
(gst_avi_demux_stream_init_push), (gst_avi_demux_parse_stream),
(gst_avi_demux_stream_header_push), (gst_avi_demux_stream_data),
(gst_avi_demux_chain):
Fix position query for audio. also fixes timestamps in streaming
mode and bug #364958.
Small cleanups.
This commit is contained in:
Wim Taymans 2006-10-28 16:37:20 +00:00
parent 82ad65b262
commit c152d13c6a
2 changed files with 99 additions and 78 deletions
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11
ChangeLog
View file

@ -1,3 +1,14 @@
2006-10-28 Wim Taymans <wim@fluendo.com>
* gst/avi/gstavidemux.c: (gst_avi_demux_handle_src_query),
(gst_avi_demux_parse_file_header),
(gst_avi_demux_stream_init_push), (gst_avi_demux_parse_stream),
(gst_avi_demux_stream_header_push), (gst_avi_demux_stream_data),
(gst_avi_demux_chain):
Fix position query for audio. also fixes timestamps in streaming
mode and bug #364958.
Small cleanups.
2006-10-27 Wim Taymans <wim@fluendo.com>
* ext/libpng/gstpngenc.c: (gst_pngenc_setcaps), (gst_pngenc_chain):

166
gst/avi/gstavidemux.c
View file

@ -456,25 +456,36 @@ gst_avi_demux_handle_src_query (GstPad * pad, GstQuery * query)
gint64 pos = 0;
if (stream->strh->type == GST_RIFF_FCC_auds) {
if (!stream->is_vbr) {
/* CBR */
if (stream->is_vbr) {
/* VBR */
pos = gst_util_uint64_scale_int ((gint64) stream->current_frame *
stream->strh->scale, GST_SECOND, stream->strh->rate);
GST_DEBUG_OBJECT (demux, "VBR convert frame %u, time %"
GST_TIME_FORMAT, stream->current_frame, GST_TIME_ARGS (pos));
} else if (stream->strf.auds->av_bps != 0) {
/* VBR */
/* CBR */
pos = gst_util_uint64_scale_int (stream->current_byte, GST_SECOND,
stream->strf.auds->av_bps);
GST_DEBUG_OBJECT (demux,
"CBR convert bytes %" G_GUINT64_FORMAT ", time %" GST_TIME_FORMAT,
stream->current_byte, GST_TIME_ARGS (pos));
} else if (stream->total_frames != 0 && stream->total_bytes != 0) {
/* calculate timestamps based on percentage of length */
guint64 xlen = demux->avih->us_frame *
demux->avih->tot_frames * GST_USECOND;
if (stream->is_vbr)
pos = gst_util_uint64_scale_int (xlen, stream->current_byte,
stream->total_bytes);
else
if (stream->is_vbr) {
pos = gst_util_uint64_scale_int (xlen, stream->current_frame,
stream->total_frames);
GST_DEBUG_OBJECT (demux, "VBR perc convert frame %u, time %"
GST_TIME_FORMAT, stream->current_frame, GST_TIME_ARGS (pos));
} else {
pos = gst_util_uint64_scale_int (xlen, stream->current_byte,
stream->total_bytes);
GST_DEBUG_OBJECT (demux, "CBR perc convert bytes %" G_GUINT64_FORMAT
", time %" GST_TIME_FORMAT, stream->current_byte,
GST_TIME_ARGS (pos));
}
} else {
/* we don't know */
res = FALSE;
@ -635,6 +646,7 @@ gst_avi_demux_parse_file_header (GstElement * element, GstBuffer * buf)
{
guint32 doctype;
/* riff_parse posts an error */
if (!gst_riff_parse_file_header (element, buf, &doctype))
return FALSE;
@ -660,11 +672,9 @@ static GstFlowReturn
gst_avi_demux_stream_init_push (GstAviDemux * avi)
{
if (gst_adapter_available (avi->adapter) >= 12) {
GstBuffer *tmp = gst_buffer_new ();
GstBuffer *tmp;
/* _take flushes the data */
GST_BUFFER_DATA (tmp) = gst_adapter_take (avi->adapter, 12);
GST_BUFFER_SIZE (tmp) = 12;
tmp = gst_adapter_take_buffer (avi->adapter, 12);
GST_DEBUG ("Parsing avi header");
if (!gst_avi_demux_parse_file_header (GST_ELEMENT (avi), tmp)) {
@ -672,6 +682,8 @@ gst_avi_demux_stream_init_push (GstAviDemux * avi)
}
GST_DEBUG ("header ok");
avi->offset += 12;
avi->state = GST_AVI_DEMUX_HEADER;
}
return GST_FLOW_OK;
}
@ -1144,6 +1156,7 @@ gst_avi_demux_parse_stream (GstAviDemux * avi, GstBuffer * buf)
stream->is_vbr = TRUE;
res = gst_riff_parse_strf_vids (element, sub,
&stream->strf.vids, &stream->extradata);
GST_DEBUG_OBJECT (element, "marking video as VBR, res %d", res);
break;
case GST_RIFF_FCC_auds:
stream->is_vbr = (stream->strh->samplesize == 0)
@ -1151,11 +1164,14 @@ gst_avi_demux_parse_stream (GstAviDemux * avi, GstBuffer * buf)
res =
gst_riff_parse_strf_auds (element, sub, &stream->strf.auds,
&stream->extradata);
GST_DEBUG_OBJECT (element, "marking audio as VBR:%d, res %d",
stream->is_vbr, res);
break;
case GST_RIFF_FCC_iavs:
stream->is_vbr = TRUE;
res = gst_riff_parse_strf_iavs (element, sub,
&stream->strf.iavs, &stream->extradata);
GST_DEBUG_OBJECT (element, "marking iavs as VBR, res %d", res);
break;
default:
GST_ERROR_OBJECT (avi,
@ -2282,44 +2298,28 @@ gst_avi_demux_stream_header_push (GstAviDemux * avi)
case GST_AVI_DEMUX_HEADER_TAG_LIST:
if (gst_avi_demux_peek_chunk (avi, &tag, &size)) {
avi->offset += 8 + ((size + 1) & ~1);
if (tag != GST_RIFF_TAG_LIST) {
GST_ELEMENT_ERROR (avi, STREAM, DEMUX, (NULL),
("Invalid AVI header (no LIST at start): %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (tag)));
return GST_FLOW_ERROR;
}
if (tag != GST_RIFF_TAG_LIST)
goto header_no_list;
gst_adapter_flush (avi->adapter, 8);
/* Find the 'hdrl' LIST tag */
GST_DEBUG ("Reading %d bytes", size);
buf = gst_buffer_new ();
GST_BUFFER_DATA (buf) = gst_adapter_take (avi->adapter, size);
GST_BUFFER_SIZE (buf) = size;
if (GST_READ_UINT32_LE (GST_BUFFER_DATA (buf)) != GST_RIFF_LIST_hdrl) {
GST_ELEMENT_ERROR (avi, STREAM, DEMUX, (NULL),
("Invalid AVI header (no hdrl at start): %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (tag)));
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
buf = gst_adapter_take_buffer (avi->adapter, size);
if (GST_READ_UINT32_LE (GST_BUFFER_DATA (buf)) != GST_RIFF_LIST_hdrl)
goto header_no_hdrl;
GST_DEBUG ("'hdrl' LIST tag found. Parsing next chunk");
/* the hdrl starts with a 'avih' header */
if (!gst_riff_parse_chunk (GST_ELEMENT (avi), buf, &offset, &tag, &sub)
|| tag != GST_RIFF_TAG_avih) {
GST_ELEMENT_ERROR (avi, STREAM, DEMUX, (NULL),
("Invalid AVI header (no avih at start): %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (tag)));
if (sub) {
gst_buffer_unref (sub);
sub = NULL;
}
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
} else if (!gst_avi_demux_parse_avih (GST_ELEMENT (avi), sub,
&avi->avih)) {
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
if (!gst_riff_parse_chunk (GST_ELEMENT (avi), buf, &offset, &tag, &sub))
goto header_no_avih;
if (tag != GST_RIFF_TAG_avih)
goto header_no_avih;
if (!gst_avi_demux_parse_avih (GST_ELEMENT (avi), sub, &avi->avih))
goto header_wrong_avih;
GST_DEBUG_OBJECT (avi, "AVI header ok, reading elemnts from header");
@ -2388,10 +2388,9 @@ gst_avi_demux_stream_header_push (GstAviDemux * avi)
/* fall-though */
case GST_AVI_DEMUX_HEADER_INFO:
GST_DEBUG_OBJECT (avi, "skipping junk between header and data ...");
do {
if (gst_adapter_available (avi->adapter) < 12) {
while (TRUE) {
if (gst_adapter_available (avi->adapter) < 12)
return GST_FLOW_OK;
}
data = gst_adapter_peek (avi->adapter, 12);
tag = GST_READ_UINT32_LE (data);
@ -2409,16 +2408,11 @@ gst_avi_demux_stream_header_push (GstAviDemux * avi)
if (gst_avi_demux_peek_chunk (avi, &tag, &size)) {
avi->offset += 12;
gst_adapter_flush (avi->adapter, 12);
buf = gst_buffer_new ();
GST_BUFFER_DATA (buf) =
gst_adapter_take (avi->adapter, size - 4);
GST_BUFFER_SIZE (buf) = size - 4;
buf = gst_adapter_take_buffer (avi->adapter, size - 4);
gst_riff_parse_info (GST_ELEMENT (avi), buf, &avi->globaltags);
gst_buffer_unref (buf);
//gst_adapter_flush(avi->adapter, ((size + 1) & ~1) - 4);
avi->offset += ((size + 1) & ~1) - 4;
//goto iterate;
} else {
/* Need more data */
return GST_FLOW_OK;
@ -2445,7 +2439,7 @@ gst_avi_demux_stream_header_push (GstAviDemux * avi)
return GST_FLOW_OK;
}
}
} while (1);
}
break;
default:
GST_WARNING ("unhandled header state: %d", avi->header_state);
@ -2495,7 +2489,6 @@ skipping_done:
if (avi->seek_event)
gst_event_unref (avi->seek_event);
avi->seek_event = gst_event_new_new_segment
(FALSE, avi->segment.rate, GST_FORMAT_TIME,
avi->segment.start, stop, avi->segment.start);
@ -2513,6 +2506,37 @@ no_streams:
GST_ELEMENT_ERROR (avi, STREAM, DEMUX, (NULL), ("No streams found"));
return GST_FLOW_ERROR;
}
header_no_list:
{
GST_ELEMENT_ERROR (avi, STREAM, DEMUX, (NULL),
("Invalid AVI header (no LIST at start): %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (tag)));
return GST_FLOW_ERROR;
}
header_no_hdrl:
{
GST_ELEMENT_ERROR (avi, STREAM, DEMUX, (NULL),
("Invalid AVI header (no hdrl at start): %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (tag)));
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
header_no_avih:
{
GST_ELEMENT_ERROR (avi, STREAM, DEMUX, (NULL),
("Invalid AVI header (no avih at start): %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (tag)));
if (sub)
gst_buffer_unref (sub);
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
header_wrong_avih:
{
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
}
/*
@ -3275,29 +3299,19 @@ gst_avi_demux_stream_data (GstAviDemux * avi)
/* recoverable */
GST_WARNING ("Invalid stream ID %d (%" GST_FOURCC_FORMAT ")",
stream_nr, GST_FOURCC_ARGS (tag));
/*
if (!gst_riff_read_skip (riff))
return FALSE;
*/
gst_adapter_flush (avi->adapter, 8 + ((size + 1) & ~1));
} else {
avi_stream_context *stream;
GstClockTime next_ts = 0;
GstFormat format;
GstBuffer *buf;
const guint8 *data = NULL;
gst_adapter_flush (avi->adapter, 8);
/* get buffer */
/* this does not work, as the data-size is 'size', but we eventually
* need to flush more data from the adapter.
buf = gst_adapter_take_buffer (avi->adapter, ((size + 1) & ~1));
*/
buf = gst_buffer_new_and_alloc (size);
data = gst_adapter_peek (avi->adapter, ((size + 1) & ~1));
gst_adapter_flush (avi->adapter, ((size + 1) & ~1));
memcpy (GST_BUFFER_DATA (buf), data, size);
buf = gst_adapter_take_buffer (avi->adapter, ((size + 1) & ~1));
/* patch the size */
GST_BUFFER_SIZE (buf) = size;
avi->offset += 8 + ((size + 1) & ~1);
@ -3313,16 +3327,16 @@ gst_avi_demux_stream_data (GstAviDemux * avi)
*/
stream->current_frame++;
stream->current_byte += GST_BUFFER_SIZE (buf);
stream->current_byte += size;
/* should we skip this data? */
/* should we skip this buffer? */
/*
if (stream->skip) {
stream->skip--;
gst_buffer_unref (buf);
} else { */
if (!stream->pad || !gst_pad_is_linked (stream->pad)) {
GST_WARNING ("No pad or not linked.");
if (!stream->pad) {
GST_WARNING ("No pad.");
gst_buffer_unref (buf);
} else {
GstClockTime dur_ts = 0;
@ -3481,19 +3495,15 @@ gst_avi_demux_chain (GstPad * pad, GstBuffer * buf)
GST_WARNING ("stream_init flow: %s", gst_flow_get_name (res));
break;
}
avi->state = GST_AVI_DEMUX_HEADER;
/* fall-through */
break;
case GST_AVI_DEMUX_HEADER:
if ((res = gst_avi_demux_stream_header_push (avi)) != GST_FLOW_OK) {
GST_WARNING ("stream_header flow: %s", gst_flow_get_name (res));
break;
}
/* this gets done in gst_avi_demux_stream_header_push()
avi->state = GST_AVI_DEMUX_MOVI;
*/
break;
case GST_AVI_DEMUX_MOVI:
if (avi->seek_event) {
if (G_UNLIKELY (avi->seek_event)) {
gst_avi_demux_push_event (avi, avi->seek_event);
avi->seek_event = NULL;
}