mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-25 17:50:36 +00:00
Merge branch 'hacking'
This commit is contained in:
David Schleef
commit
d13b2b8287
3 changed files with 510 additions and 103 deletions
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@ -1034,6 +1034,10 @@ gst_base_video_decoder_finish_frame (GstBaseVideoDecoder * base_video_decoder,
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GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_VIDEO_BUFFER_ONEFIELD);
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}
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}
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if (base_video_decoder->discont) {
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GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_BUFFER_FLAG_DISCONT);
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base_video_decoder->discont = FALSE;
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}
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GST_BUFFER_TIMESTAMP (frame->src_buffer) = frame->presentation_timestamp;
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GST_BUFFER_DURATION (frame->src_buffer) = frame->presentation_duration;
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@ -9,7 +9,7 @@ libgstinvtelecine_la_CFLAGS = \
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libgstinvtelecine_la_LIBADD = \
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$(GST_LIBS) \
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$(GST_PLUGINS_BASE_LIBS)
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$(GST_PLUGINS_BASE_LIBS) -lgstvideo-@GST_MAJORMINOR@
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libgstinvtelecine_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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libgstinvtelecine_la_LIBTOOLFLAGS = --tag=disable-static
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@ -25,6 +25,7 @@
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#include <gst/video/video.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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GST_DEBUG_CATEGORY (gst_invtelecine_debug);
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#define GST_CAT_DEFAULT gst_invtelecine_debug
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@ -51,6 +52,10 @@ struct _Field
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GstBuffer *buffer;
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int field_index;
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double prev;
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double prev1;
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double prev2;
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double prev3;
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};
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struct _GstInvtelecine
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@ -60,14 +65,26 @@ struct _GstInvtelecine
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GstPad *srcpad;
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GstPad *sinkpad;
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/* properties */
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gboolean verify_field_flags;
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/* state */
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int next_field;
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int num_fields;
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int field;
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gboolean locked;
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int last_lock;
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int phase;
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Field fifo[FIFO_SIZE];
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int width;
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int height;
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GstVideoFormat format;
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gboolean interlaced;
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double bad_flag_metric;
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};
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struct _GstInvtelecineClass
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@ -78,14 +95,15 @@ struct _GstInvtelecineClass
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enum
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{
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ARG_0
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ARG_0,
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PROP_VERIFY_FIELD_FLAGS
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};
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static GstStaticPadTemplate gst_invtelecine_src_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_YUV ("I420")
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{YUY2,UYVY,I420,YV12}")
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)
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);
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@ -93,7 +111,7 @@ static GstStaticPadTemplate gst_invtelecine_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_YUV ("I420")
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{YUY2,UYVY,I420,YV12}")
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)
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);
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@ -107,6 +125,7 @@ static void gst_invtelecine_set_property (GObject * object,
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static void gst_invtelecine_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static gboolean gst_invtelecine_setcaps (GstPad * pad, GstCaps * caps);
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static GstStateChangeReturn gst_invtelecine_change_state (GstElement * element,
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GstStateChange transition);
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@ -170,6 +189,13 @@ gst_invtelecine_class_init (GstInvtelecineClass * klass)
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object_class->get_property = gst_invtelecine_get_property;
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element_class->change_state = gst_invtelecine_change_state;
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g_object_class_install_property (object_class, PROP_VERIFY_FIELD_FLAGS,
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g_param_spec_boolean ("verify-field-flags", "verify field flags",
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"Verify that field dominance (top/bottom field first) buffer "
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"flags are correct", FALSE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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}
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static void
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@ -180,13 +206,53 @@ gst_invtelecine_init (GstInvtelecine * invtelecine)
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gst_pad_new_from_static_template (&gst_invtelecine_sink_template, "sink");
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gst_element_add_pad (GST_ELEMENT (invtelecine), invtelecine->sinkpad);
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gst_pad_set_chain_function (invtelecine->sinkpad, gst_invtelecine_chain);
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gst_pad_set_setcaps_function (invtelecine->sinkpad, gst_invtelecine_setcaps);
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invtelecine->srcpad =
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gst_pad_new_from_static_template (&gst_invtelecine_src_template, "src");
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gst_element_add_pad (GST_ELEMENT (invtelecine), invtelecine->srcpad);
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invtelecine->bad_flag_metric = 1.0;
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invtelecine->verify_field_flags = FALSE;
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}
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static gboolean
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gst_invtelecine_setcaps (GstPad * pad, GstCaps * caps)
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{
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GstInvtelecine *invtelecine;
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gboolean ret;
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int width, height;
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GstVideoFormat format;
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gboolean interlaced = TRUE;
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int fps_n, fps_d;
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invtelecine = GST_INVTELECINE (gst_pad_get_parent (pad));
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ret = gst_video_format_parse_caps (caps, &format, &width, &height);
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gst_video_format_parse_caps_interlaced (caps, &interlaced);
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ret &= gst_video_parse_caps_framerate (caps, &fps_n, &fps_d);
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if (ret) {
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GstCaps *srccaps = gst_caps_copy (caps);
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ret = gst_pad_set_caps (invtelecine->srcpad, srccaps);
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}
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if (ret) {
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invtelecine->format = format;
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invtelecine->width = width;
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invtelecine->height = height;
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invtelecine->interlaced = interlaced;
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}
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g_object_unref (invtelecine);
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return ret;
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}
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#define MAX_FIELD_SCORE 100
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static double
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@ -220,33 +286,222 @@ gst_invtelecine_compare_fields (GstInvtelecine * invtelecine, int field1,
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sum = 0;
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field_index = invtelecine->fifo[field1].field_index;
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for (j = field_index; j < 480; j += 2) {
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if (j == 0 || j == 479)
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for (j = field_index; j < invtelecine->height; j += 2) {
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if (j == 0 || j == invtelecine->height - 1)
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continue;
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data1 = GST_BUFFER_DATA (invtelecine->fifo[field1].buffer) + 720 * j;
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data2_1 =
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GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) + 720 * (j - 1);
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data2_2 =
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GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) + 720 * (j + 1);
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if (invtelecine->format == GST_VIDEO_FORMAT_I420 ||
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invtelecine->format == GST_VIDEO_FORMAT_YV12) {
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data1 = GST_BUFFER_DATA (invtelecine->fifo[field1].buffer) +
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invtelecine->width * j;
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data2_1 =
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GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
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invtelecine->width * (j - 1);
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data2_2 =
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GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
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invtelecine->width * (j + 1);
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linesum = 0;
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for (i = 1; i < 719; i++) {
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have = data1[i - 1] + data1[i + 1];
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hdiff = abs (data1[i - 1] - data1[i + 1]);
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vave = data2_1[i] + data2_2[i];
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vdiff = abs (data2_1[i] - data2_2[i]);
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den = MAX (1, MAX (hdiff, vdiff));
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linesum += (have - vave) * (have - vave) / (den * den);
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/* planar 4:2:0 */
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linesum = 0;
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for (i = 1; i < invtelecine->width - 1; i++) {
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have = data1[i - 1] + data1[i + 1];
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hdiff = abs (data1[i - 1] - data1[i + 1]);
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vave = data2_1[i] + data2_2[i];
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vdiff = abs (data2_1[i] - data2_2[i]);
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den = MAX (1, MAX (hdiff, vdiff));
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linesum += (have - vave) * (have - vave) / (den * den);
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}
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} else {
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data1 = GST_BUFFER_DATA (invtelecine->fifo[field1].buffer) +
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invtelecine->width * 2 * j;
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data2_1 =
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GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
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invtelecine->width * 2 * (j - 1);
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data2_2 =
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GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
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invtelecine->width * 2 * (j + 1);
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if (invtelecine->format == GST_VIDEO_FORMAT_UYVY) {
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data1++;
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data2_1++;
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data2_2++;
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}
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/* packed 4:2:2 */
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linesum = 0;
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for (i = 1; i < invtelecine->width - 1; i++) {
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have = data1[(i - 1) * 2] + data1[(i + 1) * 2];
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hdiff = abs (data1[(i - 1) * 2] - data1[(i + 1) * 2]);
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vave = data2_1[i * 2] + data2_2[i * 2];
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vdiff = abs (data2_1[i * 2] - data2_2[i * 2]);
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den = MAX (1, MAX (hdiff, vdiff));
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linesum += (have - vave) * (have - vave) / (den * den);
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}
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}
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sum += linesum;
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}
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sum /= 720 * 240;
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sum /= (invtelecine->width * invtelecine->height / 2);
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return MIN (sum, MAX_FIELD_SCORE);
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}
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static double
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gst_invtelecine_compare_fields_mse (GstInvtelecine * invtelecine, int field1,
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int field2)
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{
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int i;
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int j;
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guint8 *data1;
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guint8 *data2;
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int field_index1;
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int field_index2;
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int diff;
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double sum;
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double linesum;
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if (field1 < 0 || field2 < 0)
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return MAX_FIELD_SCORE;
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if (invtelecine->fifo[field1].buffer == NULL ||
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invtelecine->fifo[field2].buffer == NULL)
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return MAX_FIELD_SCORE;
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if (invtelecine->fifo[field1].buffer == invtelecine->fifo[field2].buffer &&
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invtelecine->fifo[field1].field_index ==
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invtelecine->fifo[field2].field_index) {
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return 0;
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}
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sum = 0;
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field_index1 = invtelecine->fifo[field1].field_index;
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field_index2 = invtelecine->fifo[field2].field_index;
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if (invtelecine->format == GST_VIDEO_FORMAT_I420 ||
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invtelecine->format == GST_VIDEO_FORMAT_YV12) {
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for (j = 0; j < invtelecine->height; j += 2) {
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data1 = GST_BUFFER_DATA (invtelecine->fifo[field1].buffer) +
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invtelecine->width * (j + field_index1);
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data2 = GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
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invtelecine->width * (j + field_index2);
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linesum = 0;
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for (i = 0; i < invtelecine->width; i++) {
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diff = (data1[i] - data2[i]);
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linesum += diff * diff;
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}
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sum += linesum;
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}
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} else {
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for (j = 0; j < invtelecine->height; j += 2) {
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data1 = GST_BUFFER_DATA (invtelecine->fifo[field1].buffer) +
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invtelecine->width * 2 * (j + field_index1);
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data2 = GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
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invtelecine->width * 2 * (j + field_index2);
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if (invtelecine->format == GST_VIDEO_FORMAT_UYVY) {
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data1++;
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data2++;
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}
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linesum = 0;
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for (i = 0; i < invtelecine->width; i++) {
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diff = (data1[i * 2] - data2[i * 2]);
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linesum += diff * diff;
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}
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sum += linesum;
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}
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}
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sum /= invtelecine->width * invtelecine->height / 2;
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//return MIN (sum, MAX_FIELD_SCORE);
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return sum;
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}
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static double
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gst_invtelecine_compare_fields_mse_ave (GstInvtelecine * invtelecine,
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int field1, int field2)
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{
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int i;
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int j;
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guint8 *data1;
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guint8 *data2_1;
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guint8 *data2_2;
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int field_index1;
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int field_index2;
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double diff;
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double sum;
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double linesum;
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#define MAX_FIELD_SCORE_2 1e9
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if (field1 < 0 || field2 < 0)
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return MAX_FIELD_SCORE_2;
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if (invtelecine->fifo[field1].buffer == NULL ||
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invtelecine->fifo[field2].buffer == NULL)
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return MAX_FIELD_SCORE_2;
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if (invtelecine->fifo[field1].buffer == invtelecine->fifo[field2].buffer &&
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invtelecine->fifo[field1].field_index ==
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invtelecine->fifo[field2].field_index) {
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return 0;
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}
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sum = 0;
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field_index1 = invtelecine->fifo[field1].field_index;
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field_index2 = invtelecine->fifo[field2].field_index;
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if (invtelecine->format == GST_VIDEO_FORMAT_I420 ||
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invtelecine->format == GST_VIDEO_FORMAT_YV12) {
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for (j = 0; j < invtelecine->height; j += 2) {
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if (j + field_index1 == 0 || j + field_index1 == invtelecine->height - 1)
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continue;
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data1 = GST_BUFFER_DATA (invtelecine->fifo[field1].buffer) +
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invtelecine->width * (j + field_index1);
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data2_1 = GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
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invtelecine->width * (j + field_index1 - 1);
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data2_2 = GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
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invtelecine->width * (j + field_index1 + 1);
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linesum = 0;
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for (i = 0; i < invtelecine->width; i++) {
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diff = (data1[i] - (data2_1[i] + data2_2[i]) / 2);
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diff *= diff;
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linesum += diff * diff;
|
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}
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sum += linesum;
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}
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} else {
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for (j = 0; j < invtelecine->height; j += 2) {
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if (j + field_index1 == 0 || j + field_index1 == invtelecine->height - 1)
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continue;
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data1 = GST_BUFFER_DATA (invtelecine->fifo[field1].buffer) +
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invtelecine->width * 2 * (j + field_index1);
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data2_1 = GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
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invtelecine->width * 2 * (j + field_index1 - 1);
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data2_2 = GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
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invtelecine->width * 2 * (j + field_index1 + 1);
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if (invtelecine->format == GST_VIDEO_FORMAT_UYVY) {
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data1++;
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data2_1++;
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data2_2++;
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}
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linesum = 0;
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for (i = 0; i < invtelecine->width; i++) {
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diff = (data1[i] - (data2_1[i] + data2_2[i]) / 2);
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diff *= diff;
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linesum += diff * diff;
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}
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sum += linesum;
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}
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}
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sum /= invtelecine->width * (invtelecine->height / 2 - 1);
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g_assert (sum > 0);
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//return MIN (sum, MAX_FIELD_SCORE);
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return sqrt (sum);
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}
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static void
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gst_invtelecine_push_field (GstInvtelecine * invtelecine, GstBuffer * buffer,
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int field_index)
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|
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@ -262,110 +517,220 @@ gst_invtelecine_push_field (GstInvtelecine * invtelecine, GstBuffer * buffer,
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invtelecine->fifo[i].field_index = field_index;
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||||
invtelecine->fifo[i].prev =
|
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gst_invtelecine_compare_fields (invtelecine, i, i - 1);
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//g_print("compare %f\n", invtelecine->fifo[i].prev);
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invtelecine->fifo[i].prev2 =
|
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gst_invtelecine_compare_fields_mse (invtelecine, i, i - 2);
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if (invtelecine->verify_field_flags) {
|
||||
invtelecine->fifo[i].prev3 =
|
||||
gst_invtelecine_compare_fields_mse_ave (invtelecine, i, i - 3);
|
||||
invtelecine->fifo[i].prev1 =
|
||||
gst_invtelecine_compare_fields_mse_ave (invtelecine, i, i - 1);
|
||||
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#define ALPHA 0.2
|
||||
if (invtelecine->fifo[i].prev3 != 0) {
|
||||
invtelecine->bad_flag_metric *= (1 - ALPHA);
|
||||
invtelecine->bad_flag_metric +=
|
||||
ALPHA * (invtelecine->fifo[i].prev1 / invtelecine->fifo[i].prev3);
|
||||
}
|
||||
#if 0
|
||||
g_print ("42 %g %g %g\n", invtelecine->bad_flag_metric,
|
||||
invtelecine->fifo[i].prev1, invtelecine->fifo[i].prev3);
|
||||
#endif
|
||||
|
||||
if (invtelecine->bad_flag_metric > 1.2) {
|
||||
GST_WARNING ("bad field flags? metric %g > 1.2",
|
||||
invtelecine->bad_flag_metric);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
int pulldown_2_3[] = { 2, 3 };
|
||||
|
||||
static int
|
||||
get_score (GstInvtelecine * invtelecine, int phase)
|
||||
typedef struct _PulldownFormat PulldownFormat;
|
||||
struct _PulldownFormat
|
||||
{
|
||||
int i;
|
||||
int score = 0;
|
||||
int field_index = 0;
|
||||
const char *name;
|
||||
int cycle_length;
|
||||
int n_fields[10];
|
||||
};
|
||||
|
||||
GST_DEBUG ("scoring for phase %d", phase);
|
||||
static const PulldownFormat formats[] = {
|
||||
/* interlaced */
|
||||
{"interlaced", 1, {1}},
|
||||
/* 30p */
|
||||
{"2:1", 2, {2}},
|
||||
/* 24p */
|
||||
{"3:2", 5, {2, 3,}},
|
||||
};
|
||||
|
||||
static int
|
||||
get_score_2 (GstInvtelecine * invtelecine, int format_index, int phase)
|
||||
{
|
||||
const PulldownFormat *format = formats + format_index;
|
||||
int field_index;
|
||||
int k;
|
||||
int i;
|
||||
int score;
|
||||
|
||||
GST_DEBUG ("score2 format_index %d phase %d", format_index, phase);
|
||||
|
||||
phase = (invtelecine->field + phase) % format->cycle_length;
|
||||
|
||||
field_index = 0;
|
||||
k = 0;
|
||||
while (phase > 0) {
|
||||
field_index++;
|
||||
if (field_index >= format->n_fields[k]) {
|
||||
field_index = 0;
|
||||
k++;
|
||||
if (format->n_fields[k] == 0) {
|
||||
k = 0;
|
||||
}
|
||||
}
|
||||
phase--;
|
||||
}
|
||||
|
||||
/* k is the frame index in the format */
|
||||
/* field_index is the field index in the frame */
|
||||
|
||||
score = 0;
|
||||
for (i = 0; i < 15; i++) {
|
||||
if (field_index == 0) {
|
||||
if (invtelecine->fifo[i].prev > 50) {
|
||||
/* Strong picture change signal */
|
||||
score++;
|
||||
} else if (i < 14 &&
|
||||
pulldown_2_3[phase] >= 2 &&
|
||||
(invtelecine->fifo[i].prev < invtelecine->fifo[i + 1].prev * 0.5)) {
|
||||
score--;
|
||||
} else if (i < 13 &&
|
||||
pulldown_2_3[phase] >= 3 &&
|
||||
(invtelecine->fifo[i].prev < invtelecine->fifo[i + 2].prev * 0.5)) {
|
||||
score--;
|
||||
} else {
|
||||
|
||||
}
|
||||
} else {
|
||||
if (invtelecine->fifo[i].prev > 50) {
|
||||
/* A secondary field with visible combing */
|
||||
return -10;
|
||||
} else if (invtelecine->fifo[i].prev > 5) {
|
||||
score--;
|
||||
} else if (invtelecine->fifo[i].prev < 3) {
|
||||
/* In the noise */
|
||||
score++;
|
||||
score -= 5;
|
||||
} else if (field_index == 1) {
|
||||
if (invtelecine->fifo[i].prev > 5) {
|
||||
score--;
|
||||
} else if (invtelecine->fifo[i].prev < 3) {
|
||||
/* In the noise */
|
||||
score++;
|
||||
}
|
||||
} else {
|
||||
if (invtelecine->fifo[i].prev2 < 1) {
|
||||
score += 2;
|
||||
}
|
||||
if (invtelecine->fifo[i].prev2 > 10) {
|
||||
/* A tertiary field that doesn't match */
|
||||
score -= 5;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
GST_DEBUG ("i=%d phase=%d fi=%d prev=%g score=%d", i, phase, field_index,
|
||||
invtelecine->fifo[i].prev, score);
|
||||
|
||||
field_index++;
|
||||
if (field_index == pulldown_2_3[phase]) {
|
||||
if (field_index >= format->n_fields[k]) {
|
||||
field_index = 0;
|
||||
phase++;
|
||||
if (phase == 2)
|
||||
phase = 0;
|
||||
k++;
|
||||
if (format->n_fields[k] == 0) {
|
||||
k = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return score;
|
||||
}
|
||||
|
||||
int format_table[] = { 0, 1, 1, 2, 2, 2, 2, 2 };
|
||||
int phase_table[] = { 0, 0, 1, 0, 1, 2, 3, 4 };
|
||||
|
||||
static void
|
||||
gst_invtelecine_process (GstInvtelecine * invtelecine, gboolean flush)
|
||||
{
|
||||
int score;
|
||||
//int score;
|
||||
int num_fields;
|
||||
int scores[8];
|
||||
int i;
|
||||
int max_i;
|
||||
//int format;
|
||||
int phase;
|
||||
|
||||
GST_DEBUG ("process %d", invtelecine->num_fields);
|
||||
while (invtelecine->num_fields > 15) {
|
||||
if (invtelecine->locked) {
|
||||
score = get_score (invtelecine, invtelecine->phase);
|
||||
if (score < 4) {
|
||||
GST_WARNING ("unlocked field=%d (phase = %d, score = %d)",
|
||||
invtelecine->field, invtelecine->phase, score);
|
||||
invtelecine->locked = FALSE;
|
||||
num_fields = 0;
|
||||
|
||||
for (i = 0; i < 8; i++) {
|
||||
scores[i] = get_score_2 (invtelecine, format_table[i], phase_table[i]);
|
||||
}
|
||||
|
||||
#if 0
|
||||
g_print ("scores %d %d %d %d %d %d %d %d %d\n", invtelecine->field,
|
||||
scores[0], scores[1], scores[2], scores[3],
|
||||
scores[4], scores[5], scores[6], scores[7]);
|
||||
#endif
|
||||
|
||||
max_i = invtelecine->last_lock;
|
||||
for (i = 0; i < 8; i++) {
|
||||
int field_index;
|
||||
int k;
|
||||
|
||||
phase = (invtelecine->field + phase_table[i]) %
|
||||
formats[format_table[i]].cycle_length;
|
||||
|
||||
field_index = 0;
|
||||
k = 0;
|
||||
while (phase > 0) {
|
||||
field_index++;
|
||||
if (field_index >= formats[format_table[i]].n_fields[k]) {
|
||||
field_index = 0;
|
||||
k++;
|
||||
if (formats[format_table[i]].n_fields[k] == 0) {
|
||||
k = 0;
|
||||
}
|
||||
}
|
||||
phase--;
|
||||
}
|
||||
|
||||
if (field_index == 0) {
|
||||
if (scores[i] > scores[max_i]) {
|
||||
max_i = i;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!invtelecine->locked) {
|
||||
int p;
|
||||
int a[2];
|
||||
|
||||
for (p = 0; p < 2; p++) {
|
||||
a[p] = get_score (invtelecine, p);
|
||||
}
|
||||
if (a[0] >= 8 && a[1] < 4) {
|
||||
GST_WARNING ("locked field=%d (phase = %d, score = %d)",
|
||||
invtelecine->field, 0, a[0]);
|
||||
invtelecine->locked = TRUE;
|
||||
invtelecine->phase = 0;
|
||||
} else if (a[1] >= 8 && a[0] < 4) {
|
||||
GST_WARNING ("locked field=%d (phase = %d, score = %d)",
|
||||
invtelecine->field, 1, a[1]);
|
||||
invtelecine->locked = TRUE;
|
||||
invtelecine->phase = 1;
|
||||
}
|
||||
if (max_i != invtelecine->last_lock) {
|
||||
|
||||
GST_WARNING ("new structure %s, phase %d",
|
||||
formats[format_table[max_i]].name, phase_table[max_i]);
|
||||
|
||||
invtelecine->last_lock = max_i;
|
||||
}
|
||||
//g_print ("score %d %d\n", a[0], a[1]);
|
||||
|
||||
if (invtelecine->locked) {
|
||||
num_fields = pulldown_2_3[invtelecine->phase];
|
||||
{
|
||||
int field_index;
|
||||
int k;
|
||||
|
||||
g_print ("frame %d %g %g %g\n",
|
||||
invtelecine->field,
|
||||
invtelecine->fifo[0].prev,
|
||||
invtelecine->fifo[1].prev,
|
||||
(num_fields == 3) ? invtelecine->fifo[2].prev : 0);
|
||||
phase = (invtelecine->field + phase_table[max_i]) %
|
||||
formats[format_table[max_i]].cycle_length;
|
||||
|
||||
} else {
|
||||
num_fields = 2;
|
||||
field_index = 0;
|
||||
k = 0;
|
||||
while (phase > 0) {
|
||||
field_index++;
|
||||
if (field_index >= formats[format_table[max_i]].n_fields[k]) {
|
||||
field_index = 0;
|
||||
k++;
|
||||
if (formats[format_table[max_i]].n_fields[k] == 0) {
|
||||
k = 0;
|
||||
}
|
||||
}
|
||||
phase--;
|
||||
}
|
||||
|
||||
num_fields = formats[format_table[max_i]].n_fields[k];
|
||||
}
|
||||
|
||||
if (num_fields == 0) {
|
||||
GST_WARNING ("unlocked");
|
||||
num_fields = 1;
|
||||
}
|
||||
|
||||
gst_invtelecine_output_fields (invtelecine, num_fields);
|
||||
|
|
@ -389,26 +754,44 @@ gst_invtelecine_process (GstInvtelecine * invtelecine, gboolean flush)
|
|||
}
|
||||
|
||||
static void
|
||||
copy_field (GstBuffer * d, GstBuffer * s, int field_index)
|
||||
copy_field (GstInvtelecine * invtelecine, GstBuffer * d, GstBuffer * s,
|
||||
int field_index)
|
||||
{
|
||||
int j;
|
||||
guint8 *dest;
|
||||
guint8 *src;
|
||||
int width = invtelecine->width;
|
||||
int height = invtelecine->height;
|
||||
|
||||
for (j = field_index; j < 480; j += 2) {
|
||||
dest = GST_BUFFER_DATA (d) + j * 720;
|
||||
src = GST_BUFFER_DATA (s) + j * 720;
|
||||
memcpy (dest, src, 720);
|
||||
}
|
||||
for (j = field_index; j < 240; j += 2) {
|
||||
dest = GST_BUFFER_DATA (d) + 720 * 480 + j * 360;
|
||||
src = GST_BUFFER_DATA (s) + 720 * 480 + j * 360;
|
||||
memcpy (dest, src, 360);
|
||||
}
|
||||
for (j = field_index; j < 240; j += 2) {
|
||||
dest = GST_BUFFER_DATA (d) + 720 * 480 + 360 * 240 + j * 360;
|
||||
src = GST_BUFFER_DATA (s) + 720 * 480 + 360 * 240 + j * 360;
|
||||
memcpy (dest, src, 360);
|
||||
if (invtelecine->format == GST_VIDEO_FORMAT_I420 ||
|
||||
invtelecine->format == GST_VIDEO_FORMAT_YV12) {
|
||||
/* planar 4:2:0 */
|
||||
for (j = field_index; j < height; j += 2) {
|
||||
dest = GST_BUFFER_DATA (d) + j * width;
|
||||
src = GST_BUFFER_DATA (s) + j * width;
|
||||
memcpy (dest, src, width);
|
||||
}
|
||||
for (j = field_index; j < height / 2; j += 2) {
|
||||
dest = GST_BUFFER_DATA (d) + width * height + j * width / 2;
|
||||
src = GST_BUFFER_DATA (s) + width * height + j * width / 2;
|
||||
memcpy (dest, src, width / 2);
|
||||
}
|
||||
for (j = field_index; j < height / 2; j += 2) {
|
||||
dest =
|
||||
GST_BUFFER_DATA (d) + width * height + width / 2 * height / 2 +
|
||||
j * width / 2;
|
||||
src =
|
||||
GST_BUFFER_DATA (s) + width * height + width / 2 * height / 2 +
|
||||
j * width / 2;
|
||||
memcpy (dest, src, width / 2);
|
||||
}
|
||||
} else {
|
||||
/* packed 4:2:2 */
|
||||
for (j = field_index; j < height; j += 2) {
|
||||
dest = GST_BUFFER_DATA (d) + j * width * 2;
|
||||
src = GST_BUFFER_DATA (s) + j * width * 2;
|
||||
memcpy (dest, src, width * 2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -420,10 +803,19 @@ gst_invtelecine_output_fields (GstInvtelecine * invtelecine, int num_fields)
|
|||
|
||||
field_index = invtelecine->fifo[0].field_index;
|
||||
|
||||
buffer = gst_buffer_new_and_alloc (720 * 480 + 360 * 240 + 360 * 240);
|
||||
if (invtelecine->format == GST_VIDEO_FORMAT_I420 ||
|
||||
invtelecine->format == GST_VIDEO_FORMAT_YV12) {
|
||||
buffer =
|
||||
gst_buffer_new_and_alloc (invtelecine->width * invtelecine->height * 3 /
|
||||
2);
|
||||
} else {
|
||||
buffer =
|
||||
gst_buffer_new_and_alloc (invtelecine->width * invtelecine->height * 2);
|
||||
}
|
||||
|
||||
copy_field (buffer, invtelecine->fifo[0].buffer, field_index);
|
||||
copy_field (buffer, invtelecine->fifo[1].buffer, field_index ^ 1);
|
||||
copy_field (invtelecine, buffer, invtelecine->fifo[0].buffer, field_index);
|
||||
copy_field (invtelecine, buffer, invtelecine->fifo[1].buffer,
|
||||
field_index ^ 1);
|
||||
|
||||
gst_buffer_set_caps (buffer, GST_BUFFER_CAPS (invtelecine->fifo[0].buffer));
|
||||
|
||||
|
|
@ -457,6 +849,10 @@ gst_invtelecine_chain (GstPad * pad, GstBuffer * buffer)
|
|||
(guint) (GST_BUFFER_TIMESTAMP (buffer) % GST_SECOND));
|
||||
|
||||
field_index = (GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_TFF) ? 0 : 1;
|
||||
//#define BAD
|
||||
#ifdef BAD
|
||||
field_index ^= 1;
|
||||
#endif
|
||||
|
||||
GST_DEBUG ("duration %" GST_TIME_FORMAT " flags %04x %s %s %s",
|
||||
GST_TIME_ARGS (GST_BUFFER_DURATION (buffer)),
|
||||
|
|
@ -467,13 +863,14 @@ gst_invtelecine_chain (GstPad * pad, GstBuffer * buffer)
|
|||
"");
|
||||
|
||||
if (GST_BUFFER_FLAGS (buffer) & GST_BUFFER_FLAG_DISCONT) {
|
||||
GST_DEBUG ("discont");
|
||||
GST_ERROR ("discont");
|
||||
|
||||
invtelecine->next_field = field_index;
|
||||
invtelecine->bad_flag_metric = 1.0;
|
||||
}
|
||||
|
||||
if (invtelecine->next_field != field_index) {
|
||||
GST_DEBUG ("wrong field first, expecting %d got %d",
|
||||
GST_WARNING ("wrong field first, expecting %d got %d",
|
||||
invtelecine->next_field, field_index);
|
||||
invtelecine->next_field = field_index;
|
||||
}
|
||||
|
|
@ -504,9 +901,12 @@ static void
|
|||
gst_invtelecine_set_property (GObject * object,
|
||||
guint prop_id, const GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
//GstInvtelecine *invtelecine = GST_INVTELECINE (object);
|
||||
GstInvtelecine *invtelecine = GST_INVTELECINE (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case PROP_VERIFY_FIELD_FLAGS:
|
||||
invtelecine->verify_field_flags = g_value_get_boolean (value);
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
|
|
@ -517,9 +917,12 @@ static void
|
|||
gst_invtelecine_get_property (GObject * object,
|
||||
guint prop_id, GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
//GstInvtelecine *invtelecine = GST_INVTELECINE (object);
|
||||
GstInvtelecine *invtelecine = GST_INVTELECINE (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case PROP_VERIFY_FIELD_FLAGS:
|
||||
g_value_set_boolean (value, invtelecine->verify_field_flags);
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
|
|
|
|||
Loading…
Reference in a new issue