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avidemux: append palette data to paletted 8-bit RGB frames

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Fixes playback of 8-bit indexed RGB videos, with fixes in -base.

https://bugzilla.gnome.org/show_bug.cgi?id=686046
This commit is contained in:
Tim-Philipp Müller 2012-10-16 01:02:11 +01:00
parent 7ceef442a7
commit f94572fb36
2 changed files with 25 additions and 8 deletions
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32
gst/avi/gstavidemux.c
View file

@ -223,6 +223,8 @@ gst_avi_demux_reset_stream (GstAviDemux * avi, GstAviStream * stream)
gst_buffer_unref (stream->initdata);
if (stream->extradata)
gst_buffer_unref (stream->extradata);
if (stream->rgb8_palette)
gst_buffer_unref (stream->rgb8_palette);
if (stream->pad) {
if (stream->exposed) {
gst_pad_set_active (stream->pad, FALSE);
@ -1896,15 +1898,24 @@ gst_avi_demux_roundup_list (GstAviDemux * avi, GstBuffer ** buf)
}
static GstCaps *
gst_avi_demux_check_caps (GstAviDemux * avi, GstCaps * caps)
gst_avi_demux_check_caps (GstAviDemux * avi, GstCaps * caps,
GstBuffer ** rgb8_palette)
{
GstStructure *s;
const GValue *val;
GstBuffer *buf;
caps = gst_caps_make_writable (caps);
s = gst_caps_get_structure (caps, 0);
if (!gst_structure_has_name (s, "video/x-h264"))
if (gst_structure_has_name (s, "video/x-raw") &&
gst_structure_has_field_typed (s, "palette_data", GST_TYPE_BUFFER)) {
gst_structure_get (s, "palette_data", GST_TYPE_BUFFER, rgb8_palette, NULL);
gst_structure_remove_field (s, "palette_data");
return caps;
} else if (!gst_structure_has_name (s, "video/x-h264")) {
return caps;
}
GST_DEBUG_OBJECT (avi, "checking caps %" GST_PTR_FORMAT, caps);
@ -2243,7 +2254,7 @@ gst_avi_demux_parse_stream (GstAviDemux * avi, GstBuffer * buf)
g_free (vprp);
vprp = NULL;
}
caps = gst_avi_demux_check_caps (avi, caps);
caps = gst_avi_demux_check_caps (avi, caps, &stream->rgb8_palette);
tag_name = GST_TAG_VIDEO_CODEC;
avi->num_v_streams++;
break;
@ -2296,8 +2307,7 @@ gst_avi_demux_parse_stream (GstAviDemux * avi, GstBuffer * buf)
goto fail;
}
GST_DEBUG_OBJECT (element, "codec-name=%s",
(codec_name ? codec_name : "NULL"));
GST_DEBUG_OBJECT (element, "codec-name=%s", codec_name ? codec_name : "NULL");
GST_DEBUG_OBJECT (element, "caps=%" GST_PTR_FORMAT, caps);
/* set proper settings and add it */
@ -4531,7 +4541,9 @@ gst_avi_demux_invert (GstAviStream * stream, GstBuffer * buf)
s = gst_caps_get_structure (caps, 0);
gst_caps_unref (caps);
if (!gst_structure_get_int (s, "bpp", &bpp)) {
if (stream->rgb8_palette != NULL) {
bpp = 8;
} else if (!gst_structure_get_int (s, "bpp", &bpp)) { /* FIXME */
GST_WARNING ("Failed to retrieve depth from caps");
return buf;
}
@ -4560,6 +4572,10 @@ gst_avi_demux_invert (GstAviStream * stream, GstBuffer * buf)
gst_buffer_unmap (buf, &map);
/* append palette to paletted RGB8 buffer data */
if (stream->rgb8_palette != NULL)
buf = gst_buffer_append (buf, gst_buffer_ref (stream->rgb8_palette));
return buf;
}
@ -4819,7 +4835,7 @@ gst_avi_demux_loop_data (GstAviDemux * avi)
if (gst_buffer_get_size (buf) < size)
goto short_buffer;
/* invert the picture if needed */
/* invert the picture if needed, and append palette for RGB8P */
buf = gst_avi_demux_invert (stream, buf);
/* mark non-keyframes */
@ -5100,7 +5116,7 @@ gst_avi_demux_stream_data (GstAviDemux * avi)
if (saw_desired_kf && buf) {
GstClockTime dur_ts = 0;
/* invert the picture if needed */
/* invert the picture if needed, and append palette for RGB8P */
buf = gst_avi_demux_invert (stream, buf);
gst_pad_query_position (stream->pad, GST_FORMAT_TIME,

1
gst/avi/gstavidemux.h
View file

@ -73,6 +73,7 @@ typedef struct {
gpointer data;
} strf;
GstBuffer *extradata, *initdata;
GstBuffer *rgb8_palette;
gchar *name;
/* the start/step/stop entries */