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ext/libpng/: Fix byte-order, use proper fixed caps. Fixes #164197.
Original commit message from CVS: Reviewed by: Ronald S. Bultje <rbultje@ronald.bitfreak.net> * ext/libpng/gstpngdec.c: (gst_pngdec_init), (gst_pngdec_chain): * ext/libpng/gstpngenc.c: Fix byte-order, use proper fixed caps. Fixes #164197.
This commit is contained in:
Ronald S. Bultje
parent
5ab3df2846
commit
840c55ebd1
3 changed files with 52 additions and 73 deletions
10
ChangeLog
10
ChangeLog
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@ -1,3 +1,11 @@
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2005-02-08 Gergely Nagy <algernon@bonehunter.rulez.org>
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Reviewed by: Ronald S. Bultje <rbultje@ronald.bitfreak.net>
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* ext/libpng/gstpngdec.c: (gst_pngdec_init), (gst_pngdec_chain):
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* ext/libpng/gstpngenc.c:
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Fix byte-order, use proper fixed caps. Fixes #164197.
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2005-02-08 Jan Schmidt <thaytan@mad.scientist.com>
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* configure.ac:
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@ -37,7 +45,7 @@
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(gst_mpeg_parse_get_rate), (gst_mpeg_parse_convert_src),
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(gst_mpeg_parse_handle_src_query),
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(gst_mpeg_parse_handle_src_event):
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Use audio/x-dvd-lpcm for LPCM output.
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Use audio/x-dvd-lpcm for LPCM output.
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Add DTS output.
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2005-02-08 Gergely Nagy <algernon@bonehunter.rulez.org>
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@ -47,8 +47,6 @@ static void gst_pngdec_init (GstPngDec * pngdec);
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static void gst_pngdec_chain (GstPad * pad, GstData * _data);
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static GstCaps *gst_pngdec_src_getcaps (GstPad * pad);
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static GstElementClass *parent_class = NULL;
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@ -93,7 +91,7 @@ static GstStaticPadTemplate gst_pngdec_src_pad_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBA ";" GST_VIDEO_CAPS_RGB)
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GST_STATIC_CAPS (GST_VIDEO_CAPS_BGRA ";" GST_VIDEO_CAPS_BGR)
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);
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static GstStaticPadTemplate gst_pngdec_sink_pad_template =
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@ -129,7 +127,6 @@ gst_pngdec_class_init (GstPngDecClass * klass)
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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}
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static GstPadLinkReturn
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gst_pngdec_sinklink (GstPad * pad, const GstCaps * caps)
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{
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@ -158,7 +155,7 @@ gst_pngdec_init (GstPngDec * pngdec)
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gst_pad_set_chain_function (pngdec->sinkpad, gst_pngdec_chain);
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gst_pad_set_link_function (pngdec->sinkpad, gst_pngdec_sinklink);
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gst_pad_set_getcaps_function (pngdec->srcpad, gst_pngdec_src_getcaps);
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gst_pad_use_explicit_caps (pngdec->srcpad);
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pngdec->png = NULL;
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pngdec->info = NULL;
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@ -169,71 +166,6 @@ gst_pngdec_init (GstPngDec * pngdec)
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pngdec->fps = -1;
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}
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static GstCaps *
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gst_pngdec_src_getcaps (GstPad * pad)
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{
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GstPngDec *pngdec;
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GstCaps *caps;
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gint i;
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GstPadTemplate *templ;
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GstCaps *inter;
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pngdec = GST_PNGDEC (gst_pad_get_parent (pad));
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templ = gst_static_pad_template_get (&gst_pngdec_src_pad_template);
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caps = gst_caps_copy (gst_pad_template_get_caps (templ));
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if (pngdec->color_type != -1) {
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GstCaps *to_inter = NULL;
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if (pngdec->info && pngdec->info->bit_depth != 8) {
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GST_ELEMENT_ERROR (pngdec, STREAM, NOT_IMPLEMENTED, (NULL),
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("pngdec only supports 8 bit images for now"));
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return NULL;
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}
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switch (pngdec->color_type) {
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case PNG_COLOR_TYPE_RGB:
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to_inter = gst_caps_new_simple ("video/x-raw-rgb",
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"bpp", G_TYPE_INT, 24, NULL);
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break;
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case PNG_COLOR_TYPE_RGB_ALPHA:
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to_inter = gst_caps_new_simple ("video/x-raw-rgb",
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"bpp", G_TYPE_INT, 32, NULL);
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break;
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case PNG_COLOR_TYPE_GRAY:
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case PNG_COLOR_TYPE_PALETTE:
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case PNG_COLOR_TYPE_GRAY_ALPHA:
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default:
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GST_ELEMENT_ERROR (pngdec, STREAM, NOT_IMPLEMENTED, (NULL),
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("pngdec does not support grayscale or paletted data yet"));
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break;
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}
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inter = gst_caps_intersect (caps, to_inter);
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gst_caps_free (caps);
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gst_caps_free (to_inter);
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caps = inter;
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}
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for (i = 0; i < gst_caps_get_size (caps); i++) {
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GstStructure *structure = gst_caps_get_structure (caps, i);
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if (pngdec->width != -1) {
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gst_structure_set (structure, "width", G_TYPE_INT, pngdec->width, NULL);
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}
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if (pngdec->height != -1) {
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gst_structure_set (structure, "height", G_TYPE_INT, pngdec->height, NULL);
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}
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if (pngdec->fps != -1) {
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gst_structure_set (structure,
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"framerate", G_TYPE_DOUBLE, pngdec->fps, NULL);
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}
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}
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return caps;
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}
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static void
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user_read_data (png_structp png_ptr, png_bytep data, png_size_t length)
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{
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@ -316,14 +248,53 @@ gst_pngdec_chain (GstPad * pad, GstData * _data)
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png_get_IHDR (pngdec->png, pngdec->info, &width, &height,
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&depth, &color, NULL, NULL, NULL);
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if (pngdec->info->bit_depth != 8) {
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gst_buffer_unref (buf);
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png_destroy_read_struct (&pngdec->png, &pngdec->info, &pngdec->endinfo);
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GST_ELEMENT_ERROR (pngdec, STREAM, NOT_IMPLEMENTED, (NULL),
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("pngdec only supports 8 bit images for now"));
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return;
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}
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if (pngdec->width != width ||
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pngdec->height != height ||
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pngdec->color_type != pngdec->info->color_type) {
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GstCaps *caps, *templ, *res;
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gboolean ret;
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gint bpp;
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pngdec->width = width;
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pngdec->height = height;
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pngdec->color_type = pngdec->info->color_type;
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if (GST_PAD_LINK_FAILED (gst_pad_renegotiate (pngdec->srcpad))) {
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templ = gst_caps_copy (gst_pad_template_get_caps
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(gst_static_pad_template_get (&gst_pngdec_src_pad_template)));
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switch (pngdec->color_type) {
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case PNG_COLOR_TYPE_RGB:
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bpp = 24;
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break;
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case PNG_COLOR_TYPE_RGB_ALPHA:
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bpp = 32;
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break;
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default:
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GST_ELEMENT_ERROR (pngdec, STREAM, NOT_IMPLEMENTED, (NULL),
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("pngdec does not support grayscale or paletted data yet"));
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return;
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}
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caps = gst_caps_new_simple ("video/x-raw-rgb",
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"width", G_TYPE_INT, width,
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"height", G_TYPE_INT, height,
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"bpp", G_TYPE_INT, bpp, "framerate", G_TYPE_DOUBLE, pngdec->fps, NULL);
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res = gst_caps_intersect (templ, caps);
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gst_caps_free (caps);
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gst_caps_free (templ);
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ret = gst_pad_set_explicit_caps (pngdec->srcpad, res);
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gst_caps_free (res);
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if (!ret) {
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gst_buffer_unref (buf);
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png_destroy_read_struct (&pngdec->png, &pngdec->info, &pngdec->endinfo);
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GST_ELEMENT_ERROR (pngdec, CORE, NEGOTIATION, (NULL), (NULL));
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@ -76,7 +76,7 @@ static GstStaticPadTemplate pngenc_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBA ";" GST_VIDEO_CAPS_RGB)
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GST_STATIC_CAPS (GST_VIDEO_CAPS_BGRA ";" GST_VIDEO_CAPS_BGR)
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);
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static GstElementClass *parent_class = NULL;
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