* Boston, MA 02111-1307, USA.
*/
+/**
+ * SECTION:element-ffmpegcolorspace
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * <para>
+ * <programlisting>
+ * gst-launch -v videotestsrc ! video/x-raw-yuv,format=\(fourcc\)YUY2 ! ffmpegcolorspace ! ximagesink
+ * </programlisting>
+ * </para>
+ * </refsect2>
+ */
+
#ifdef HAVE_CONFIG_H
-#include "config.h"
+# include "config.h"
#endif
-#include <gst/gst.h>
-#include <avcodec.h>
-
+#include "gstffmpegcolorspace.h"
#include "gstffmpegcodecmap.h"
-#define GST_TYPE_FFMPEGCOLORSPACE \
- (gst_ffmpegcolorspace_get_type())
-#define GST_FFMPEGCOLORSPACE(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FFMPEGCOLORSPACE,GstFFMpegColorspace))
-#define GST_FFMPEGCOLORSPACE_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FFMPEGCOLORSPACE,GstFFMpegColorspace))
-#define GST_IS_FFMPEGCOLORSPACE(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FFMPEGCOLORSPACE))
-#define GST_IS_FFMPEGCOLORSPACE_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FFMPEGCOLORSPACE))
-
-typedef struct _GstFFMpegColorspace GstFFMpegColorspace;
-typedef struct _GstFFMpegColorspaceClass GstFFMpegColorspaceClass;
-
-struct _GstFFMpegColorspace
-{
- GstElement element;
-
- GstPad *sinkpad, *srcpad;
-
- gint width, height;
- gfloat fps;
- enum PixelFormat from_pixfmt, to_pixfmt;
- AVPicture from_frame, to_frame;
- GstCaps *sinkcaps;
-};
-
-struct _GstFFMpegColorspaceClass
-{
- GstElementClass parent_class;
-};
+GST_DEBUG_CATEGORY_STATIC (ffmpegcolorspace_debug);
+#define GST_CAT_DEFAULT ffmpegcolorspace_debug
/* elementfactory information */
-static GstElementDetails ffmpegcolorspace_details = {
- "FFMPEG-based colorspace converter in gst-plugins",
- "Filter/Converter/Video",
- "Converts video from one colorspace to another",
- "Ronald Bultje <rbultje@ronald.bitfreak.net>",
-};
+static const GstElementDetails ffmpegcsp_details =
+GST_ELEMENT_DETAILS ("FFMPEG Colorspace converter",
+ "Filter/Converter/Video",
+ "Converts video from one colorspace to another",
+ "Ronald Bultje <rbultje@ronald.bitfreak.net>");
/* Stereo signals and args */
enum
{
- ARG_0
+ ARG_0,
};
-static GType gst_ffmpegcolorspace_get_type (void);
-
-static void gst_ffmpegcolorspace_base_init (GstFFMpegColorspaceClass * klass);
-static void gst_ffmpegcolorspace_class_init (GstFFMpegColorspaceClass * klass);
-static void gst_ffmpegcolorspace_init (GstFFMpegColorspace * space);
-
-static void gst_ffmpegcolorspace_set_property (GObject * object,
- guint prop_id, const GValue * value, GParamSpec * pspec);
-static void gst_ffmpegcolorspace_get_property (GObject * object,
- guint prop_id, GValue * value, GParamSpec * pspec);
-
-static GstPadLinkReturn
-gst_ffmpegcolorspace_pad_link (GstPad * pad, const GstCaps * caps);
-
-static void gst_ffmpegcolorspace_chain (GstPad * pad, GstData * data);
-static GstElementStateReturn
-gst_ffmpegcolorspace_change_state (GstElement * element);
+static GType gst_ffmpegcsp_get_type (void);
+
+static void gst_ffmpegcsp_base_init (GstFFMpegCspClass * klass);
+static void gst_ffmpegcsp_class_init (GstFFMpegCspClass * klass);
+static void gst_ffmpegcsp_init (GstFFMpegCsp * space);
+
+static gboolean gst_ffmpegcsp_set_caps (GstBaseTransform * btrans,
+ GstCaps * incaps, GstCaps * outcaps);
+static gboolean gst_ffmpegcsp_get_unit_size (GstBaseTransform * btrans,
+ GstCaps * caps, guint * size);
+static GstFlowReturn gst_ffmpegcsp_transform (GstBaseTransform * btrans,
+ GstBuffer * inbuf, GstBuffer * outbuf);
+#if 0
+static GstFlowReturn gst_ffmpegcsp_transform_ip (GstBaseTransform * btrans,
+ GstBuffer * inbuf);
+#endif
-static GstPadTemplate *srctempl, *sinktempl;
+static GstPadTemplate *sinktempl, *srctempl;
static GstElementClass *parent_class = NULL;
-/*static guint gst_ffmpegcolorspace_signals[LAST_SIGNAL] = { 0 }; */
-
+/*static guint gst_ffmpegcsp_signals[LAST_SIGNAL] = { 0 }; */
+/* copies the given caps */
static GstCaps *
-gst_ffmpegcolorspace_caps_remove_format_info (GstCaps * caps)
+gst_ffmpegcsp_caps_remove_format_info (GstCaps * caps)
{
int i;
GstStructure *structure;
GstCaps *rgbcaps;
+ GstCaps *graycaps;
+
+ caps = gst_caps_copy (caps);
for (i = 0; i < gst_caps_get_size (caps); i++) {
structure = gst_caps_get_structure (caps, i);
gst_structure_remove_field (structure, "red_mask");
gst_structure_remove_field (structure, "green_mask");
gst_structure_remove_field (structure, "blue_mask");
+ gst_structure_remove_field (structure, "alpha_mask");
+ gst_structure_remove_field (structure, "palette_data");
}
gst_caps_do_simplify (caps);
gst_structure_set_name (structure, "video/x-raw-rgb");
}
+ graycaps = gst_caps_copy (caps);
+ for (i = 0; i < gst_caps_get_size (graycaps); i++) {
+ structure = gst_caps_get_structure (graycaps, i);
+
+ gst_structure_set_name (structure, "video/x-raw-gray");
+ }
+
+ gst_caps_append (caps, graycaps);
gst_caps_append (caps, rgbcaps);
return caps;
}
+/* The caps can be transformed into any other caps with format info removed.
+ * However, we should prefer passthrough, so if passthrough is possible,
+ * put it first in the list. */
static GstCaps *
-gst_ffmpegcolorspace_getcaps (GstPad * pad)
+gst_ffmpegcsp_transform_caps (GstBaseTransform * btrans,
+ GstPadDirection direction, GstCaps * caps)
{
- GstFFMpegColorspace *space;
- GstCaps *othercaps = NULL;
- GstCaps *caps;
- GstPad *otherpad;
+ GstFFMpegCsp *space;
+ GstCaps *template;
+ GstCaps *result;
- space = GST_FFMPEGCOLORSPACE (gst_pad_get_parent (pad));
+ space = GST_FFMPEGCSP (btrans);
- otherpad = (pad == space->srcpad) ? space->sinkpad : space->srcpad;
+ template = gst_ffmpegcsp_codectype_to_caps (CODEC_TYPE_VIDEO, NULL);
+ result = gst_caps_intersect (caps, template);
+ gst_caps_unref (template);
- othercaps = gst_pad_get_allowed_caps (otherpad);
+ gst_caps_append (result, gst_ffmpegcsp_caps_remove_format_info (caps));
- othercaps = gst_ffmpegcolorspace_caps_remove_format_info (othercaps);
+ GST_DEBUG_OBJECT (btrans, "transformed %" GST_PTR_FORMAT " into %"
+ GST_PTR_FORMAT, caps, result);
- caps = gst_caps_intersect (othercaps, gst_pad_get_pad_template_caps (pad));
- gst_caps_free (othercaps);
-
- return caps;
+ return result;
}
-static GstPadLinkReturn
-gst_ffmpegcolorspace_pad_link (GstPad * pad, const GstCaps * caps)
+static gboolean
+gst_ffmpegcsp_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
+ GstCaps * outcaps)
{
- GstFFMpegColorspace *space;
- const GstCaps *othercaps;
- GstPad *otherpad;
- GstPadLinkReturn ret;
- int height, width;
- double framerate;
- enum PixelFormat pix_fmt;
-
- space = GST_FFMPEGCOLORSPACE (gst_pad_get_parent (pad));
-
- otherpad = (pad == space->srcpad) ? space->sinkpad : space->srcpad;
-
- /* FIXME attempt and/or check for passthru */
-
- /* loop over all possibilities and select the first one we can convert and
- * is accepted by the peer */
- pix_fmt = gst_ffmpeg_caps_to_pix_fmt (caps, &width, &height, &framerate);
- if (pix_fmt == PIX_FMT_NB) {
- /* we disable ourself here */
- if (pad == space->srcpad) {
- space->to_pixfmt = PIX_FMT_NB;
- } else {
- space->from_pixfmt = PIX_FMT_NB;
- }
-
- return GST_PAD_LINK_REFUSED;
+ GstFFMpegCsp *space;
+ GstStructure *structure;
+ gint in_height, in_width;
+ gint out_height, out_width;
+ const GValue *in_framerate = NULL;
+ const GValue *out_framerate = NULL;
+ const GValue *in_par = NULL;
+ const GValue *out_par = NULL;
+ AVCodecContext *ctx;
+ gboolean res;
+
+ space = GST_FFMPEGCSP (btrans);
+
+ /* parse in and output values */
+ structure = gst_caps_get_structure (incaps, 0);
+
+ /* we have to have width and height */
+ res = gst_structure_get_int (structure, "width", &in_width);
+ res &= gst_structure_get_int (structure, "height", &in_height);
+ if (!res)
+ goto no_width_height;
+
+ /* and framerate */
+ in_framerate = gst_structure_get_value (structure, "framerate");
+ if (in_framerate == NULL || !GST_VALUE_HOLDS_FRACTION (in_framerate))
+ goto no_framerate;
+
+ /* this is optional */
+ in_par = gst_structure_get_value (structure, "pixel-aspect-ratio");
+
+ structure = gst_caps_get_structure (outcaps, 0);
+
+ /* we have to have width and height */
+ res = gst_structure_get_int (structure, "width", &out_width);
+ res &= gst_structure_get_int (structure, "height", &out_height);
+ if (!res)
+ goto no_width_height;
+
+ /* and framerate */
+ out_framerate = gst_structure_get_value (structure, "framerate");
+ if (out_framerate == NULL || !GST_VALUE_HOLDS_FRACTION (out_framerate))
+ goto no_framerate;
+
+ /* this is optional */
+ out_par = gst_structure_get_value (structure, "pixel-aspect-ratio");
+
+ /* these must match */
+ if (in_width != out_width || in_height != out_height ||
+ gst_value_compare (in_framerate, out_framerate) != GST_VALUE_EQUAL)
+ goto format_mismatch;
+
+ /* if present, these must match too */
+ if (in_par && out_par
+ && gst_value_compare (in_par, out_par) != GST_VALUE_EQUAL)
+ goto format_mismatch;
+
+ ctx = avcodec_alloc_context ();
+
+ space->width = ctx->width = in_width;
+ space->height = ctx->height = in_height;
+
+ /* get from format */
+ ctx->pix_fmt = PIX_FMT_NB;
+ gst_ffmpegcsp_caps_with_codectype (CODEC_TYPE_VIDEO, incaps, ctx);
+ if (ctx->pix_fmt == PIX_FMT_NB)
+ goto invalid_in_caps;
+ space->from_pixfmt = ctx->pix_fmt;
+
+ /* palette, only for from data */
+ if (space->palette)
+ av_free (space->palette);
+ space->palette = ctx->palctrl;
+ ctx->palctrl = NULL;
+
+ /* get to format */
+ ctx->pix_fmt = PIX_FMT_NB;
+ gst_ffmpegcsp_caps_with_codectype (CODEC_TYPE_VIDEO, outcaps, ctx);
+ if (ctx->pix_fmt == PIX_FMT_NB)
+ goto invalid_out_caps;
+ space->to_pixfmt = ctx->pix_fmt;
+
+ GST_DEBUG ("reconfigured %d %d", space->from_pixfmt, space->to_pixfmt);
+
+ av_free (ctx);
+
+ return TRUE;
+
+ /* ERRORS */
+no_width_height:
+ {
+ GST_DEBUG_OBJECT (space, "did not specify width or height");
+ space->from_pixfmt = PIX_FMT_NB;
+ space->to_pixfmt = PIX_FMT_NB;
+ return FALSE;
}
-
- /* set the size on the otherpad */
- othercaps = gst_pad_get_negotiated_caps (otherpad);
- if (othercaps) {
- GstCaps *caps = gst_caps_copy (othercaps);
-
- gst_caps_set_simple (caps,
- "width", G_TYPE_INT, width,
- "height", G_TYPE_INT, height,
- "framerate", G_TYPE_DOUBLE, framerate, NULL);
- ret = gst_pad_try_set_caps (otherpad, caps);
- if (GST_PAD_LINK_FAILED (ret)) {
- return ret;
- }
+no_framerate:
+ {
+ GST_DEBUG_OBJECT (space, "did not specify framerate");
+ space->from_pixfmt = PIX_FMT_NB;
+ space->to_pixfmt = PIX_FMT_NB;
+ return FALSE;
}
-
- if (pad == space->srcpad) {
- space->to_pixfmt = pix_fmt;
- } else {
- space->from_pixfmt = pix_fmt;
+format_mismatch:
+ {
+ GST_DEBUG_OBJECT (space, "input and output formats do not match");
+ space->from_pixfmt = PIX_FMT_NB;
+ space->to_pixfmt = PIX_FMT_NB;
+ return FALSE;
+ }
+invalid_in_caps:
+ {
+ GST_DEBUG_OBJECT (space, "could not configure context for input format");
+ av_free (ctx);
+ space->from_pixfmt = PIX_FMT_NB;
+ space->to_pixfmt = PIX_FMT_NB;
+ return FALSE;
+ }
+invalid_out_caps:
+ {
+ GST_DEBUG_OBJECT (space, "could not configure context for output format");
+ av_free (ctx);
+ space->from_pixfmt = PIX_FMT_NB;
+ space->to_pixfmt = PIX_FMT_NB;
+ return FALSE;
}
-
- space->width = width;
- space->height = height;
-
- return GST_PAD_LINK_OK;
}
static GType
-gst_ffmpegcolorspace_get_type (void)
+gst_ffmpegcsp_get_type (void)
{
- static GType ffmpegcolorspace_type = 0;
+ static GType ffmpegcsp_type = 0;
- if (!ffmpegcolorspace_type) {
- static const GTypeInfo ffmpegcolorspace_info = {
- sizeof (GstFFMpegColorspaceClass),
- (GBaseInitFunc) gst_ffmpegcolorspace_base_init,
+ if (!ffmpegcsp_type) {
+ static const GTypeInfo ffmpegcsp_info = {
+ sizeof (GstFFMpegCspClass),
+ (GBaseInitFunc) gst_ffmpegcsp_base_init,
NULL,
- (GClassInitFunc) gst_ffmpegcolorspace_class_init,
+ (GClassInitFunc) gst_ffmpegcsp_class_init,
NULL,
NULL,
- sizeof (GstFFMpegColorspace),
+ sizeof (GstFFMpegCsp),
0,
- (GInstanceInitFunc) gst_ffmpegcolorspace_init,
+ (GInstanceInitFunc) gst_ffmpegcsp_init,
};
- ffmpegcolorspace_type = g_type_register_static (GST_TYPE_ELEMENT,
- "GstFFMpegColorspace", &ffmpegcolorspace_info, 0);
+ ffmpegcsp_type = g_type_register_static (GST_TYPE_BASE_TRANSFORM,
+ "GstFFMpegCsp", &ffmpegcsp_info, 0);
}
- return ffmpegcolorspace_type;
+ return ffmpegcsp_type;
}
static void
-gst_ffmpegcolorspace_base_init (GstFFMpegColorspaceClass * klass)
+gst_ffmpegcsp_base_init (GstFFMpegCspClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class, srctempl);
gst_element_class_add_pad_template (element_class, sinktempl);
- gst_element_class_set_details (element_class, &ffmpegcolorspace_details);
+ gst_element_class_set_details (element_class, &ffmpegcsp_details);
+}
+
+static void
+gst_ffmpegcsp_finalize (GObject * obj)
+{
+ GstFFMpegCsp *space = GST_FFMPEGCSP (obj);
+
+ if (space->palette)
+ av_free (space->palette);
+
+ G_OBJECT_CLASS (parent_class)->finalize (obj);
}
static void
-gst_ffmpegcolorspace_class_init (GstFFMpegColorspaceClass * klass)
+gst_ffmpegcsp_class_init (GstFFMpegCspClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
+ GstBaseTransformClass *gstbasetransform_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
+ gstbasetransform_class = (GstBaseTransformClass *) klass;
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_ffmpegcsp_finalize);
+
+ gstbasetransform_class->transform_caps =
+ GST_DEBUG_FUNCPTR (gst_ffmpegcsp_transform_caps);
+ gstbasetransform_class->set_caps = GST_DEBUG_FUNCPTR (gst_ffmpegcsp_set_caps);
+ gstbasetransform_class->get_unit_size =
+ GST_DEBUG_FUNCPTR (gst_ffmpegcsp_get_unit_size);
+ gstbasetransform_class->transform =
+ GST_DEBUG_FUNCPTR (gst_ffmpegcsp_transform);
+#if 0
+ gstbasetransform_class->transform_ip =
+ GST_DEBUG_FUNCPTR (gst_ffmpegcsp_transform_ip);
+#endif
- parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
-
- gobject_class->set_property = gst_ffmpegcolorspace_set_property;
- gobject_class->get_property = gst_ffmpegcolorspace_get_property;
+ gstbasetransform_class->passthrough_on_same_caps = TRUE;
- gstelement_class->change_state = gst_ffmpegcolorspace_change_state;
+ GST_DEBUG_CATEGORY_INIT (ffmpegcolorspace_debug, "ffmpegcolorspace", 0,
+ "FFMPEG-based colorspace converter");
}
static void
-gst_ffmpegcolorspace_init (GstFFMpegColorspace * space)
+gst_ffmpegcsp_init (GstFFMpegCsp * space)
{
- space->sinkpad = gst_pad_new_from_template (sinktempl, "sink");
- gst_pad_set_link_function (space->sinkpad, gst_ffmpegcolorspace_pad_link);
- gst_pad_set_getcaps_function (space->sinkpad, gst_ffmpegcolorspace_getcaps);
- gst_pad_set_chain_function (space->sinkpad, gst_ffmpegcolorspace_chain);
- gst_element_add_pad (GST_ELEMENT (space), space->sinkpad);
-
- space->srcpad = gst_pad_new_from_template (srctempl, "src");
- gst_element_add_pad (GST_ELEMENT (space), space->srcpad);
- gst_pad_set_link_function (space->srcpad, gst_ffmpegcolorspace_pad_link);
- gst_pad_set_getcaps_function (space->srcpad, gst_ffmpegcolorspace_getcaps);
-
+ gst_base_transform_set_qos_enabled (GST_BASE_TRANSFORM (space), TRUE);
space->from_pixfmt = space->to_pixfmt = PIX_FMT_NB;
+ space->palette = NULL;
}
-static void
-gst_ffmpegcolorspace_chain (GstPad * pad, GstData * data)
+static gboolean
+gst_ffmpegcsp_get_unit_size (GstBaseTransform * btrans, GstCaps * caps,
+ guint * size)
{
- GstBuffer *inbuf = GST_BUFFER (data);
- GstFFMpegColorspace *space;
- GstBuffer *outbuf = NULL;
+ GstFFMpegCsp *space = NULL;
+ GstStructure *structure = NULL;
+ AVCodecContext *ctx = NULL;
+ gint width, height;
- g_return_if_fail (pad != NULL);
- g_return_if_fail (GST_IS_PAD (pad));
- g_return_if_fail (inbuf != NULL);
+ g_assert (size);
- space = GST_FFMPEGCOLORSPACE (gst_pad_get_parent (pad));
+ space = GST_FFMPEGCSP (btrans);
- g_return_if_fail (space != NULL);
- g_return_if_fail (GST_IS_FFMPEGCOLORSPACE (space));
+ structure = gst_caps_get_structure (caps, 0);
+ gst_structure_get_int (structure, "width", &width);
+ gst_structure_get_int (structure, "height", &height);
- if (space->from_pixfmt == PIX_FMT_NB || space->to_pixfmt == PIX_FMT_NB) {
- GST_ELEMENT_ERROR (space, CORE, NOT_IMPLEMENTED, (NULL),
- ("attempting to convert colorspaces between unknown formats"));
- gst_buffer_unref (inbuf);
- return;
- }
+ ctx = avcodec_alloc_context ();
+
+ g_assert (ctx != NULL);
+
+ gst_ffmpegcsp_caps_with_codectype (CODEC_TYPE_VIDEO, caps, ctx);
+
+ *size = avpicture_get_size (ctx->pix_fmt, width, height);
- if (space->from_pixfmt == space->to_pixfmt) {
- outbuf = inbuf;
- } else {
- /* use bufferpool here */
- guint size = avpicture_get_size (space->to_pixfmt,
- space->width,
- space->height);
-
- outbuf = gst_pad_alloc_buffer (space->srcpad, GST_BUFFER_OFFSET_NONE, size);
-
- /* convert */
- avpicture_fill ((AVPicture *) & space->from_frame, GST_BUFFER_DATA (inbuf),
- space->from_pixfmt, space->width, space->height);
- avpicture_fill ((AVPicture *) & space->to_frame, GST_BUFFER_DATA (outbuf),
- space->to_pixfmt, space->width, space->height);
- img_convert ((AVPicture *) & space->to_frame, space->to_pixfmt,
- (AVPicture *) & space->from_frame, space->from_pixfmt,
- space->width, space->height);
-
- GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (inbuf);
- GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (inbuf);
-
- gst_buffer_unref (inbuf);
+ /* ffmpeg frames have the palette after the frame data, whereas
+ * GStreamer currently puts it into the caps as 'palette_data' field,
+ * so for paletted data the frame size avpicture_get_size() returns is
+ * 1024 bytes larger than what GStreamer expects. */
+ if (gst_structure_has_field (structure, "palette_data")) {
+ *size -= 4 * 256; /* = AVPALETTE_SIZE */
}
- gst_pad_push (space->srcpad, GST_DATA (outbuf));
+ if (ctx->palctrl)
+ av_free (ctx->palctrl);
+ av_free (ctx);
+
+ return TRUE;
}
-static GstElementStateReturn
-gst_ffmpegcolorspace_change_state (GstElement * element)
+#if 0
+/* FIXME: Could use transform_ip to implement endianness swap type operations */
+static GstFlowReturn
+gst_ffmpegcsp_transform_ip (GstBaseTransform * btrans, GstBuffer * inbuf)
{
- GstFFMpegColorspace *space;
+ /* do nothing */
+ return GST_FLOW_OK;
+}
+#endif
- space = GST_FFMPEGCOLORSPACE (element);
+static GstFlowReturn
+gst_ffmpegcsp_transform (GstBaseTransform * btrans, GstBuffer * inbuf,
+ GstBuffer * outbuf)
+{
+ GstFFMpegCsp *space;
+ gint result;
- switch (GST_STATE_TRANSITION (element)) {
- case GST_STATE_PAUSED_TO_READY:
- break;
- }
+ space = GST_FFMPEGCSP (btrans);
- if (parent_class->change_state)
- return parent_class->change_state (element);
+ GST_DEBUG ("from %d -> to %d", space->from_pixfmt, space->to_pixfmt);
+ if (space->from_pixfmt == PIX_FMT_NB || space->to_pixfmt == PIX_FMT_NB)
+ goto unknown_format;
- return GST_STATE_SUCCESS;
-}
+ /* fill from with source data */
+ gst_ffmpegcsp_avpicture_fill (&space->from_frame,
+ GST_BUFFER_DATA (inbuf), space->from_pixfmt, space->width, space->height);
-static void
-gst_ffmpegcolorspace_set_property (GObject * object,
- guint prop_id, const GValue * value, GParamSpec * pspec)
-{
- GstFFMpegColorspace *space;
+ /* fill optional palette */
+ if (space->palette)
+ space->from_frame.data[1] = (uint8_t *) space->palette->palette;
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail (GST_IS_FFMPEGCOLORSPACE (object));
- space = GST_FFMPEGCOLORSPACE (object);
+ /* fill target frame */
+ gst_ffmpegcsp_avpicture_fill (&space->to_frame,
+ GST_BUFFER_DATA (outbuf), space->to_pixfmt, space->width, space->height);
- switch (prop_id) {
- default:
- break;
- }
-}
+ /* and convert */
+ result = img_convert (&space->to_frame, space->to_pixfmt,
+ &space->from_frame, space->from_pixfmt, space->width, space->height);
+ if (result == -1)
+ goto not_supported;
-static void
-gst_ffmpegcolorspace_get_property (GObject * object,
- guint prop_id, GValue * value, GParamSpec * pspec)
-{
- GstFFMpegColorspace *space;
+ /* copy timestamps */
+ gst_buffer_stamp (outbuf, inbuf);
+ GST_DEBUG ("from %d -> to %d done", space->from_pixfmt, space->to_pixfmt);
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail (GST_IS_FFMPEGCOLORSPACE (object));
- space = GST_FFMPEGCOLORSPACE (object);
+ return GST_FLOW_OK;
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
+ /* ERRORS */
+unknown_format:
+ {
+ GST_ELEMENT_ERROR (space, CORE, NOT_IMPLEMENTED, (NULL),
+ ("attempting to convert colorspaces between unknown formats"));
+ return GST_FLOW_NOT_NEGOTIATED;
+ }
+not_supported:
+ {
+ GST_ELEMENT_ERROR (space, CORE, NOT_IMPLEMENTED, (NULL),
+ ("cannot convert between formats"));
+ return GST_FLOW_NOT_SUPPORTED;
}
}
GstCaps *caps;
/* template caps */
- caps = gst_ffmpeg_pix_fmt_to_caps ();
+ caps = gst_ffmpegcsp_codectype_to_caps (CODEC_TYPE_VIDEO, NULL);
/* build templates */
srctempl = gst_pad_template_new ("src",
GST_PAD_SRC, GST_PAD_ALWAYS, gst_caps_copy (caps));
+
+ /* the sink template will do palette handling as well... */
sinktempl = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, caps);
- avcodec_init ();
return gst_element_register (plugin, "ffmpegcolorspace",
- GST_RANK_PRIMARY, GST_TYPE_FFMPEGCOLORSPACE);
+ GST_RANK_NONE, GST_TYPE_FFMPEGCSP);
}
projects / platform / upstream / gstreamer.git / blobdiff