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qtdemux: move parsing of tkhd out of stsd entry loop

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It needs only to be read once.
This commit is contained in:
Thiago Santos 2016-04-27 12:17:37 -03:00 committed by Thiago Santos
parent cf6733a55e
commit 9ac3861a9b
1 changed files with 24 additions and 18 deletions
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42
gst/isomp4/qtdemux.c
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@ -7752,7 +7752,8 @@ gst_qtdemux_configure_stream (GstQTDemux * qtdemux, QtDemuxStream * stream)
GST_DEBUG_OBJECT (qtdemux, GST_DEBUG_OBJECT (qtdemux,
"Calculating framerate, timescale %u gave fps_n %d fps_d %d", "Calculating framerate, timescale %u gave fps_n %d fps_d %d",
stream->timescale, CUR_STREAM (stream)->fps_n, CUR_STREAM (stream)->fps_d); stream->timescale, CUR_STREAM (stream)->fps_n,
CUR_STREAM (stream)->fps_d);
} }
} }
@ -7767,7 +7768,8 @@ gst_qtdemux_configure_stream (GstQTDemux * qtdemux, QtDemuxStream * stream)
/* set framerate if calculated framerate is reliable */ /* set framerate if calculated framerate is reliable */
if (fps_available) { if (fps_available) {
gst_caps_set_simple (CUR_STREAM (stream)->caps, gst_caps_set_simple (CUR_STREAM (stream)->caps,
"framerate", GST_TYPE_FRACTION, CUR_STREAM (stream)->fps_n, CUR_STREAM (stream)->fps_d, NULL); "framerate", GST_TYPE_FRACTION, CUR_STREAM (stream)->fps_n,
CUR_STREAM (stream)->fps_d, NULL);
} }
/* calculate pixel-aspect-ratio using display width and height */ /* calculate pixel-aspect-ratio using display width and height */
@ -9542,6 +9544,7 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak)
guint32 version; guint32 version;
guint32 tkhd_flags = 0; guint32 tkhd_flags = 0;
guint8 tkhd_version = 0; guint8 tkhd_version = 0;
guint32 w = 0, h = 0;
guint32 fourcc; guint32 fourcc;
guint value_size, stsd_len, len; guint value_size, stsd_len, len;
guint32 track_id; guint32 track_id;
@ -9740,6 +9743,25 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak)
} }
} }
/* parse rest of tkhd */
if (stream->subtype == FOURCC_vide) {
guint32 matrix[9];
/* version 1 uses some 64-bit ints */
if (!gst_byte_reader_skip (&tkhd, 20 + value_size))
goto corrupt_file;
if (!qtdemux_parse_transformation_matrix (qtdemux, &tkhd, matrix, "tkhd"))
goto corrupt_file;
if (!gst_byte_reader_get_uint32_be (&tkhd, &w)
|| !gst_byte_reader_get_uint32_be (&tkhd, &h))
goto corrupt_file;
qtdemux_inspect_transformation_matrix (qtdemux, stream, matrix,
&stream->stream_tags);
}
/* parse stsd */ /* parse stsd */
if (!(stsd = qtdemux_tree_get_child_by_type (stbl, FOURCC_stsd))) if (!(stsd = qtdemux_tree_get_child_by_type (stbl, FOURCC_stsd)))
goto corrupt_file; goto corrupt_file;
@ -9791,31 +9813,15 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak)
} }
if (stream->subtype == FOURCC_vide) { if (stream->subtype == FOURCC_vide) {
guint32 w = 0, h = 0;
gboolean gray; gboolean gray;
gint depth, palette_size, palette_count; gint depth, palette_size, palette_count;
guint32 matrix[9];
guint32 *palette_data = NULL; guint32 *palette_data = NULL;
entry->sampled = TRUE; entry->sampled = TRUE;
/* version 1 uses some 64-bit ints */
if (!gst_byte_reader_skip (&tkhd, 20 + value_size))
goto corrupt_file;
if (!qtdemux_parse_transformation_matrix (qtdemux, &tkhd, matrix, "tkhd"))
goto corrupt_file;
if (!gst_byte_reader_get_uint32_be (&tkhd, &w)
|| !gst_byte_reader_get_uint32_be (&tkhd, &h))
goto corrupt_file;
stream->display_width = w >> 16; stream->display_width = w >> 16;
stream->display_height = h >> 16; stream->display_height = h >> 16;
qtdemux_inspect_transformation_matrix (qtdemux, stream, matrix,
&stream->stream_tags);
offset = 16; offset = 16;
if (len < 86) /* TODO verify */ if (len < 86) /* TODO verify */
goto corrupt_file; goto corrupt_file;