mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-01-11 09:55:36 +00:00
pnm: Port to 1.0 API
This commit is contained in:
Olivier Crête
parent
bfb56f8380
commit
6a66ebf784
5 changed files with 143 additions and 106 deletions
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@ -317,7 +317,7 @@ GST_PLUGINS_NONPORTED=" aiff \
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hdvparse inter ivfparse jp2kdecimator \
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kate librfb \
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mpegpsmux mve mxf mythtv nsf nuvdemux \
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patchdetect pnm real \
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patchdetect real \
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sdi subenc stereo tta videofilters \
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videomeasure videosignal vmnc \
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decklink fbdev linsys vcd \
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@ -30,6 +30,10 @@
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* </refsect2>
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*/
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/*
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* FIXME: Port to GstVideoDecoder
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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@ -44,16 +48,14 @@
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static GstStaticPadTemplate gst_pnmdec_src_pad_template =
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GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB "; "
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"video/x-raw-gray, width =" GST_VIDEO_SIZE_RANGE ", "
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"height =" GST_VIDEO_SIZE_RANGE ", framerate =" GST_VIDEO_FPS_RANGE ", "
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"bpp= (int) 8, depth= (int) 8"));
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("RGB") "; "
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GST_VIDEO_CAPS_MAKE ("GRAY8")));
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static GstStaticPadTemplate gst_pnmdec_sink_pad_template =
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GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
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GST_STATIC_CAPS (MIME_ALL));
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GST_BOILERPLATE (GstPnmdec, gst_pnmdec, GstElement, GST_TYPE_ELEMENT);
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G_DEFINE_TYPE (GstPnmdec, gst_pnmdec, GST_TYPE_ELEMENT);
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static GstFlowReturn
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gst_pnmdec_push (GstPnmdec * s, GstPad * src, GstBuffer * buf)
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@ -64,6 +66,7 @@ gst_pnmdec_push (GstPnmdec * s, GstPad * src, GstBuffer * buf)
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guint o_rowstride;
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GstBuffer *obuf;
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guint i;
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GstMapInfo imap, omap;
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if (s->mngr.info.type == GST_PNM_TYPE_PIXMAP) {
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i_rowstride = 3 * s->mngr.info.width;
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@ -75,12 +78,15 @@ gst_pnmdec_push (GstPnmdec * s, GstPad * src, GstBuffer * buf)
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obuf = gst_buffer_new_and_alloc (o_rowstride * s->mngr.info.height);
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gst_buffer_copy_metadata (obuf, buf, GST_BUFFER_COPY_ALL);
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gst_buffer_copy_into (obuf, buf, GST_BUFFER_COPY_METADATA, 0, 0);
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gst_buffer_map (obuf, &omap, GST_MAP_WRITE);
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gst_buffer_map (buf, &imap, GST_MAP_READ);
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for (i = 0; i < s->mngr.info.height; i++)
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memcpy (GST_BUFFER_DATA (obuf) + i * o_rowstride,
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GST_BUFFER_DATA (buf) + i * i_rowstride, i_rowstride);
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memcpy (omap.data + i * o_rowstride, imap.data + i * i_rowstride,
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i_rowstride);
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gst_buffer_unmap (buf, &imap);
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gst_buffer_unmap (obuf, &omap);
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gst_buffer_unref (buf);
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return gst_pad_push (src, obuf);
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} else {
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@ -95,10 +101,9 @@ gst_pnmdec_chain_raw (GstPnmdec * s, GstPad * src, GstBuffer * buf)
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GstBuffer *out;
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/* If we got the whole image, just push the buffer. */
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if (GST_BUFFER_SIZE (buf) == s->size) {
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if (gst_buffer_get_size (buf) == s->size) {
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memset (&s->mngr, 0, sizeof (GstPnmInfoMngr));
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s->size = 0;
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gst_buffer_set_caps (buf, GST_PAD_CAPS (src));
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return gst_pnmdec_push (s, src, buf);
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}
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@ -106,18 +111,14 @@ gst_pnmdec_chain_raw (GstPnmdec * s, GstPad * src, GstBuffer * buf)
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if (!s->buf) {
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s->buf = buf;
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} else {
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out = gst_buffer_span (s->buf, 0, buf,
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GST_BUFFER_SIZE (s->buf) + GST_BUFFER_SIZE (buf));
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gst_buffer_unref (buf);
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gst_buffer_unref (s->buf);
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out = gst_buffer_append (s->buf, buf);
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s->buf = out;
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}
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if (!s->buf)
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return GST_FLOW_ERROR;
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/* Do we now have the full image? If yes, push. */
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if (GST_BUFFER_SIZE (s->buf) == s->size) {
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gst_buffer_set_caps (s->buf, GST_PAD_CAPS (src));
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if (gst_buffer_get_size (s->buf) == s->size) {
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r = gst_pnmdec_push (s, src, s->buf);
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s->buf = NULL;
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memset (&s->mngr, 0, sizeof (GstPnmInfoMngr));
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@ -133,35 +134,40 @@ gst_pnmdec_chain_ascii (GstPnmdec * s, GstPad * src, GstBuffer * buf)
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GScanner *scanner;
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GstBuffer *out;
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guint i = 0;
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gchar *b = (gchar *) GST_BUFFER_DATA (buf);
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guint bs = GST_BUFFER_SIZE (buf);
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guint target = s->size - (s->buf ? GST_BUFFER_SIZE (s->buf) : 0);
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gchar *b;
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guint bs;
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guint target;
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GstMapInfo map;
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GstMapInfo outmap;
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if (!bs) {
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gst_buffer_unref (buf);
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return GST_FLOW_OK;
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}
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gst_buffer_map (buf, &map, GST_MAP_READ);
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b = (gchar *) map.data;
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bs = map.size;
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target = s->size - (s->buf ? map.size : 0);
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if (!bs)
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goto drop_ok;
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if (s->last_byte) {
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while (*b >= '0' && *b <= '9') {
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s->last_byte = 10 * s->last_byte + *b - '0';
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b++;
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if (!--bs) {
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gst_buffer_unref (buf);
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return GST_FLOW_OK;
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goto drop_error;
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}
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}
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if (s->last_byte > 255) {
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gst_buffer_unref (buf);
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GST_DEBUG_OBJECT (s, "Corrupt ASCII encoded PNM file.");
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return GST_FLOW_ERROR;
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goto drop_error;
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}
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}
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out = gst_buffer_new_and_alloc (target);
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gst_buffer_map (out, &outmap, GST_MAP_READWRITE);
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if (s->last_byte) {
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GST_BUFFER_DATA (out)[i++] = s->last_byte;
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outmap.data[i++] = s->last_byte;
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s->last_byte = 0;
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}
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@ -172,11 +178,11 @@ gst_pnmdec_chain_ascii (GstPnmdec * s, GstPad * src, GstBuffer * buf)
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case G_TOKEN_INT:
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if (i == target) {
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GST_DEBUG_OBJECT (s, "PNM file contains too much data.");
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gst_buffer_unref (buf);
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gst_buffer_unmap (out, &outmap);
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gst_buffer_unref (out);
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return GST_FLOW_ERROR;
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goto drop_error;
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}
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GST_BUFFER_DATA (out)[i++] = scanner->value.v_int;
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outmap.data[i++] = scanner->value.v_int;
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break;
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default:
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/* Should we care? */ ;
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@ -186,30 +192,47 @@ gst_pnmdec_chain_ascii (GstPnmdec * s, GstPad * src, GstBuffer * buf)
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/* If we didn't get the whole image, handle the last byte with care. */
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if (i && i < target && b[bs - 1] > '0' && b[bs - 1] <= '9')
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s->last_byte = GST_BUFFER_DATA (out)[--i];
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s->last_byte = outmap.data[--i];
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gst_buffer_unmap (buf, &map);
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gst_buffer_unref (buf);
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if (!i) {
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gst_buffer_unref (out);
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return GST_FLOW_OK;
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}
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GST_BUFFER_SIZE (out) = i;
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gst_buffer_set_size (out, i);
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return gst_pnmdec_chain_raw (s, src, out);
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drop_ok:
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gst_buffer_unmap (buf, &map);
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gst_buffer_unref (buf);
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return GST_FLOW_OK;
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drop_error:
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gst_buffer_unmap (buf, &map);
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gst_buffer_unref (buf);
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return GST_FLOW_ERROR;
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}
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static GstFlowReturn
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gst_pnmdec_chain (GstPad * pad, GstBuffer * data)
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gst_pnmdec_chain (GstPad * pad, GstObject * parent, GstBuffer * data)
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{
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GstPnmdec *s = GST_PNMDEC (gst_pad_get_parent (pad));
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GstPnmdec *s = GST_PNMDEC (parent);
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GstPad *src = gst_element_get_static_pad (GST_ELEMENT (s), "src");
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GstCaps *caps = NULL;
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GstFlowReturn r = GST_FLOW_OK;
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guint offset = 0;
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if (s->mngr.info.fields != GST_PNM_INFO_FIELDS_ALL) {
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switch (gst_pnm_info_mngr_scan (&s->mngr, GST_BUFFER_DATA (data),
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GST_BUFFER_SIZE (data))) {
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GstMapInfo map;
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GstPnmInfoMngrResult res;
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gst_buffer_map (data, &map, GST_MAP_READ);
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res = gst_pnm_info_mngr_scan (&s->mngr, map.data, map.size);
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gst_buffer_unmap (data, &map);
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switch (res) {
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case GST_PNM_INFO_MNGR_RESULT_FAILED:
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gst_buffer_unref (data);
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r = GST_FLOW_ERROR;
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@ -251,15 +274,15 @@ gst_pnmdec_chain (GstPad * pad, GstBuffer * data)
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}
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}
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if (offset == GST_BUFFER_SIZE (data)) {
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if (offset == gst_buffer_get_size (data)) {
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gst_buffer_unref (data);
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r = GST_FLOW_OK;
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goto out;
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}
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if (offset) {
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GstBuffer *buf = gst_buffer_create_sub (data, offset,
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GST_BUFFER_SIZE (data) - offset);
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GstBuffer *buf = gst_buffer_copy_region (data, GST_BUFFER_COPY_ALL, offset,
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gst_buffer_get_size (data) - offset);
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gst_buffer_unref (data);
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data = buf;
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}
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@ -271,7 +294,6 @@ gst_pnmdec_chain (GstPad * pad, GstBuffer * data)
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out:
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gst_object_unref (src);
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gst_object_unref (s);
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return r;
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}
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@ -286,11 +308,11 @@ gst_pnmdec_finalize (GObject * object)
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dec->buf = NULL;
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}
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G_OBJECT_CLASS (parent_class)->finalize (object);
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G_OBJECT_CLASS (gst_pnmdec_parent_class)->finalize (object);
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}
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static void
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gst_pnmdec_init (GstPnmdec * s, GstPnmdecClass * klass)
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gst_pnmdec_init (GstPnmdec * s)
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{
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GstPad *pad;
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@ -304,9 +326,10 @@ gst_pnmdec_init (GstPnmdec * s, GstPnmdecClass * klass)
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}
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static void
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gst_pnmdec_base_init (gpointer g_class)
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gst_pnmdec_class_init (GstPnmdecClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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GObjectClass *gobject_class = (GObjectClass *) klass;
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_pnmdec_sink_pad_template));
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@ -316,14 +339,6 @@ gst_pnmdec_base_init (gpointer g_class)
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"Codec/Decoder/Image",
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"Decodes images in portable pixmap/graymap/bitmap/anymamp (PNM) format",
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"Lutz Mueller <lutz@users.sourceforge.net>");
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}
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static void
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gst_pnmdec_class_init (GstPnmdecClass * klass)
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{
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GObjectClass *gobject_class = (GObjectClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->finalize = gst_pnmdec_finalize;
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}
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@ -20,7 +20,7 @@
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#ifndef __GST_PNMDEC_H__
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#define __GST_PNMDEC_H__
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#include <gst/gstelement.h>
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#include <gst/gst.h>
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#include "gstpnmutils.h"
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@ -32,6 +32,10 @@
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* </refsect2>
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*/
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/*
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* FIXME: Port to GstVideoEncoder
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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@ -53,16 +57,15 @@ enum
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static GstStaticPadTemplate sink_pad_template =
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GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB "; "
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"video/x-raw-gray, width =" GST_VIDEO_SIZE_RANGE ", "
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"height =" GST_VIDEO_SIZE_RANGE ", framerate =" GST_VIDEO_FPS_RANGE ", "
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"bpp= (int) 8, depth= (int) 8"));
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("RGB") "; "
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GST_VIDEO_CAPS_MAKE ("GRAY8")));
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static GstStaticPadTemplate src_pad_template =
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GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
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GST_STATIC_CAPS (MIME_ALL));
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GST_BOILERPLATE (GstPnmenc, gst_pnmenc, GstElement, GST_TYPE_ELEMENT);
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G_DEFINE_TYPE (GstPnmenc, gst_pnmenc, GST_TYPE_ELEMENT);
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static void
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gst_pnmenc_set_property (GObject * object, guint prop_id, const GValue * value,
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@ -101,9 +104,9 @@ gst_pnmenc_get_property (GObject * object, guint prop_id, GValue * value,
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}
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static GstFlowReturn
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gst_pnmenc_chain (GstPad * pad, GstBuffer * buf)
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gst_pnmenc_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
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{
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GstPnmenc *s = GST_PNMENC (gst_pad_get_parent (pad));
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GstPnmenc *s = GST_PNMENC (parent);
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GstFlowReturn r;
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gchar *header;
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GstBuffer *out;
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@ -112,9 +115,7 @@ gst_pnmenc_chain (GstPad * pad, GstBuffer * buf)
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header = g_strdup_printf ("P%i\n%i %i\n%i\n",
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s->info.type + 3 * (1 - s->info.encoding), s->info.width, s->info.height,
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s->info.max);
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out = gst_buffer_new ();
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gst_buffer_set_data (out, (guchar *) header, strlen (header));
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gst_buffer_set_caps (out, GST_PAD_CAPS (s->src));
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out = gst_buffer_new_wrapped (header, strlen (header));
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if ((r = gst_pad_push (s->src, out)) != GST_FLOW_OK)
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goto out;
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@ -124,6 +125,7 @@ gst_pnmenc_chain (GstPad * pad, GstBuffer * buf)
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guint o_rowstride;
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GstBuffer *obuf;
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guint i;
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GstMapInfo imap, omap;
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if (s->info.type == GST_PNM_TYPE_PIXMAP) {
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o_rowstride = 3 * s->info.width;
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@ -134,91 +136,114 @@ gst_pnmenc_chain (GstPad * pad, GstBuffer * buf)
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}
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obuf = gst_buffer_new_and_alloc (o_rowstride * s->info.height);
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gst_buffer_map (obuf, &omap, GST_MAP_WRITE);
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gst_buffer_map (buf, &imap, GST_MAP_READ);
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for (i = 0; i < s->info.height; i++)
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memcpy (GST_BUFFER_DATA (obuf) + o_rowstride * i,
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GST_BUFFER_DATA (buf) + i_rowstride * i, o_rowstride);
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memcpy (omap.data + o_rowstride * i, imap.data + i_rowstride * i,
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o_rowstride);
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gst_buffer_unmap (buf, &imap);
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gst_buffer_unmap (obuf, &omap);
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gst_buffer_unref (buf);
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buf = obuf;
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} else {
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/* Pass through the data. */
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buf = gst_buffer_make_metadata_writable (buf);
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buf = gst_buffer_make_writable (buf);
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}
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/* We might need to convert to ASCII... */
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if (s->info.encoding == GST_PNM_ENCODING_ASCII) {
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GstBuffer *obuf;
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guint i, o;
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GstMapInfo imap, omap;
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obuf = gst_buffer_new_and_alloc (GST_BUFFER_SIZE (buf) * (4 + 1 / 20.));
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for (i = o = 0; i < GST_BUFFER_SIZE (buf); i++) {
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g_snprintf ((char *) GST_BUFFER_DATA (obuf) + o, 4, "%3i",
|
||||
GST_BUFFER_DATA (buf)[i]);
|
||||
gst_buffer_map (buf, &imap, GST_MAP_READ);
|
||||
obuf = gst_buffer_new_and_alloc (imap.size * (4 + 1 / 20.));
|
||||
gst_buffer_map (obuf, &omap, GST_MAP_WRITE);
|
||||
for (i = o = 0; i < imap.size; i++) {
|
||||
g_snprintf ((char *) omap.data + o, 4, "%3i", imap.data[i]);
|
||||
o += 3;
|
||||
GST_BUFFER_DATA (obuf)[o++] = ' ';
|
||||
omap.data[o++] = ' ';
|
||||
if (!((i + 1) % 20))
|
||||
GST_BUFFER_DATA (obuf)[o++] = '\n';
|
||||
omap.data[o++] = '\n';
|
||||
}
|
||||
gst_buffer_unmap (buf, &imap);
|
||||
gst_buffer_unmap (obuf, &omap);
|
||||
gst_buffer_unref (buf);
|
||||
buf = obuf;
|
||||
}
|
||||
|
||||
gst_buffer_set_caps (buf, GST_PAD_CAPS (s->src));
|
||||
r = gst_pad_push (s->src, buf);
|
||||
|
||||
out:
|
||||
gst_object_unref (s);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_pnmenc_setcaps_func_sink (GstPad * pad, GstCaps * caps)
|
||||
gst_pnmenc_setcaps (GstPnmenc * s, GstCaps * caps)
|
||||
{
|
||||
GstPnmenc *s = GST_PNMENC (gst_pad_get_parent (pad));
|
||||
GstStructure *structure = gst_caps_get_structure (caps, 0);
|
||||
const gchar *mime = gst_structure_get_name (structure);
|
||||
gboolean r = TRUE;
|
||||
gboolean r;
|
||||
GstCaps *srccaps;
|
||||
|
||||
s->info.max = 255;
|
||||
s->info.fields = GST_PNM_INFO_FIELDS_MAX;
|
||||
|
||||
/* Set caps on the source. */
|
||||
if (!strcmp (mime, "video/x-raw-rgb")) {
|
||||
if (!gst_video_info_from_caps (&s->vinfo, caps))
|
||||
return FALSE;
|
||||
|
||||
if (GST_VIDEO_INFO_IS_RGB (&s->vinfo)) {
|
||||
s->info.type = GST_PNM_TYPE_PIXMAP;
|
||||
srccaps = gst_caps_from_string (MIME_PM);
|
||||
} else if (!strcmp (mime, "video/x-raw-gray")) {
|
||||
} else if (GST_VIDEO_INFO_IS_GRAY (&s->vinfo)) {
|
||||
s->info.type = GST_PNM_TYPE_GRAYMAP;
|
||||
srccaps = gst_caps_from_string (MIME_GM);
|
||||
} else {
|
||||
r = FALSE;
|
||||
goto out;
|
||||
return FALSE;
|
||||
}
|
||||
gst_pad_set_caps (s->src, srccaps);
|
||||
r = gst_pad_set_caps (s->src, srccaps);
|
||||
gst_caps_unref (srccaps);
|
||||
s->info.fields |= GST_PNM_INFO_FIELDS_TYPE;
|
||||
|
||||
/* Remember width and height of the input data. */
|
||||
if (!gst_structure_get_int (structure, "width", (int *) &s->info.width) ||
|
||||
!gst_structure_get_int (structure, "height", (int *) &s->info.height)) {
|
||||
r = FALSE;
|
||||
goto out;
|
||||
}
|
||||
s->info.width = GST_VIDEO_INFO_WIDTH (&s->vinfo);
|
||||
s->info.height = GST_VIDEO_INFO_HEIGHT (&s->vinfo);
|
||||
s->info.fields |= GST_PNM_INFO_FIELDS_WIDTH | GST_PNM_INFO_FIELDS_HEIGHT;
|
||||
|
||||
out:
|
||||
gst_object_unref (s);
|
||||
return r;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_pnmenc_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
|
||||
{
|
||||
GstPnmenc *s = GST_PNMENC (parent);
|
||||
gboolean r = FALSE;
|
||||
|
||||
switch (GST_EVENT_TYPE (event)) {
|
||||
case GST_EVENT_CAPS:
|
||||
{
|
||||
GstCaps *caps;
|
||||
|
||||
gst_event_parse_caps (event, &caps);
|
||||
r = gst_pnmenc_setcaps (s, caps);
|
||||
gst_event_unref (event);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
r = gst_pad_event_default (pad, parent, event);
|
||||
break;
|
||||
}
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_pnmenc_init (GstPnmenc * s, GstPnmencClass * klass)
|
||||
gst_pnmenc_init (GstPnmenc * s)
|
||||
{
|
||||
GstPad *pad;
|
||||
|
||||
pad = gst_pad_new_from_static_template (&sink_pad_template, "sink");
|
||||
gst_pad_set_setcaps_function (pad, gst_pnmenc_setcaps_func_sink);
|
||||
gst_pad_set_chain_function (pad, gst_pnmenc_chain);
|
||||
gst_pad_set_event_function (pad, gst_pnmenc_sink_event);
|
||||
gst_pad_use_fixed_caps (pad);
|
||||
gst_element_add_pad (GST_ELEMENT (s), pad);
|
||||
|
||||
|
|
@ -227,9 +252,10 @@ gst_pnmenc_init (GstPnmenc * s, GstPnmencClass * klass)
|
|||
}
|
||||
|
||||
static void
|
||||
gst_pnmenc_base_init (gpointer g_class)
|
||||
gst_pnmenc_class_init (GstPnmencClass * klass)
|
||||
{
|
||||
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
||||
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
||||
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
||||
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&sink_pad_template));
|
||||
|
|
@ -239,12 +265,6 @@ gst_pnmenc_base_init (gpointer g_class)
|
|||
"Codec/Encoder/Image",
|
||||
"Encodes images into portable pixmap or graymap (PNM) format",
|
||||
"Lutz Mueller <lutz@users.sourceforge.net>");
|
||||
}
|
||||
|
||||
static void
|
||||
gst_pnmenc_class_init (GstPnmencClass * klass)
|
||||
{
|
||||
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
||||
|
||||
gobject_class->set_property = gst_pnmenc_set_property;
|
||||
gobject_class->get_property = gst_pnmenc_get_property;
|
||||
|
|
|
|||
|
|
@ -20,7 +20,8 @@
|
|||
#ifndef __GST_PNMENC_H__
|
||||
#define __GST_PNMENC_H__
|
||||
|
||||
#include <gst/gstelement.h>
|
||||
#include <gst/gst.h>
|
||||
#include <gst/video/video.h>
|
||||
|
||||
#include "gstpnmutils.h"
|
||||
|
||||
|
|
@ -39,6 +40,7 @@ struct _GstPnmenc
|
|||
{
|
||||
GstElement element;
|
||||
|
||||
GstVideoInfo vinfo;
|
||||
GstPnmInfo info;
|
||||
|
||||
GstPad *src;
|
||||
|
|
|
|||
Loading…
Reference in a new issue