Commit 2c02e256 authored by Tim-Philipp Müller's avatar Tim-Philipp Müller 🐠 Committed by Tim-Philipp Müller

subenc: port to 1.0

parent 5888c605
......@@ -318,7 +318,7 @@ GST_PLUGINS_NONPORTED=" androidmedia aiff \
kate librfb \
mpegpsmux mve mxf mythtv nsf nuvdemux \
patchdetect real \
sdi subenc stereo tta videofilters \
sdi stereo tta videofilters \
videomeasure videosignal vmnc \
decklink fbdev linsys vcd \
apexsink cdaudio cog dc1394 dirac directfb \
......
......@@ -20,10 +20,10 @@
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "string.h"
#include <string.h>
#include "gstsrtenc.h"
#include <gst/controller/gstcontroller.h>
GST_DEBUG_CATEGORY_STATIC (srtenc_debug);
#define GST_CAT_DEFAULT srtenc_debug
......@@ -43,21 +43,23 @@ static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("text/plain; text/x-pango-markup"));
GST_STATIC_CAPS ("text/x-raw, format = { pango-markup, utf8 }"));
static GstFlowReturn gst_srt_enc_chain (GstPad * pad, GstBuffer * buf);
static gchar *gst_srt_enc_timeconvertion (GstSrtEnc * srtenc, GstBuffer * buf);
static gchar *gst_srt_enc_timestamp_to_string (GstClockTime timestamp);
static GstFlowReturn gst_srt_enc_chain (GstPad * pad, GstObject * parent,
GstBuffer * buf);
static gboolean gst_srt_enc_event (GstPad * pad, GstObject * parent,
GstEvent * event);
static void gst_srt_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_srt_enc_reset (GstSrtEnc * srtenc);
static void gst_srt_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
GST_BOILERPLATE (GstSrtEnc, gst_srt_enc, GstElement, GST_TYPE_ELEMENT);
#define parent_class gst_srt_enc_parent_class
G_DEFINE_TYPE (GstSrtEnc, gst_srt_enc, GST_TYPE_ELEMENT);
static gchar *
gst_srt_enc_timestamp_to_string (GstClockTime timestamp)
static void
gst_srt_enc_append_timestamp_to_string (GstClockTime timestamp, GString * str)
{
guint h, m, s, ms;
......@@ -72,65 +74,84 @@ gst_srt_enc_timestamp_to_string (GstClockTime timestamp)
timestamp -= s * GST_SECOND;
ms = timestamp / GST_MSECOND;
return g_strdup_printf ("%.2d:%.2d:%.2d,%.3d", h, m, s, ms);
}
static gchar *
gst_srt_enc_timeconvertion (GstSrtEnc * srtenc, GstBuffer * buf)
{
gchar *start_time =
gst_srt_enc_timestamp_to_string (GST_BUFFER_TIMESTAMP (buf) +
srtenc->timestamp);
gchar *stop_time =
gst_srt_enc_timestamp_to_string (GST_BUFFER_TIMESTAMP (buf) +
srtenc->timestamp + GST_BUFFER_DURATION (buf) + srtenc->duration);
gchar *string = g_strdup_printf ("%s --> %s\n", start_time, stop_time);
g_free (start_time);
g_free (stop_time);
return string;
g_string_append_printf (str, "%.2d:%.2d:%.2d,%.3d", h, m, s, ms);
}
static GstFlowReturn
gst_srt_enc_chain (GstPad * pad, GstBuffer * buf)
gst_srt_enc_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
{
GstSrtEnc *srtenc;
GstSrtEnc *srtenc = GST_SRT_ENC (parent);
GstClockTime ts, dur = GST_SECOND;
GstBuffer *new_buffer;
gchar *timing;
gchar *string;
srtenc = GST_SRT_ENC (gst_pad_get_parent_element (pad));
gst_object_sync_values (GST_OBJECT (srtenc), GST_BUFFER_TIMESTAMP (buf));
timing = gst_srt_enc_timeconvertion (srtenc, buf);
string = g_strdup_printf ("%d\n%s", srtenc->counter++, timing);
g_free (timing);
new_buffer =
gst_buffer_new_and_alloc (strlen (string) + GST_BUFFER_SIZE (buf) + 2);
memcpy (GST_BUFFER_DATA (new_buffer), string, strlen (string));
memcpy (GST_BUFFER_DATA (new_buffer) + strlen (string), GST_BUFFER_DATA (buf),
GST_BUFFER_SIZE (buf));
memcpy (GST_BUFFER_DATA (new_buffer) + GST_BUFFER_SIZE (new_buffer) - 2,
"\n\n", 2);
g_free (string);
GstMapInfo map_info;
GString *s;
gsize buf_size;
gst_object_sync_values (GST_OBJECT (srtenc), GST_BUFFER_PTS (buf));
ts = GST_BUFFER_PTS (buf) + srtenc->timestamp;
if (GST_BUFFER_DURATION_IS_VALID (buf))
dur = GST_BUFFER_DURATION (buf) + srtenc->duration;
else if (srtenc->duration > 0)
dur = srtenc->duration;
else
dur = GST_SECOND;
buf_size = gst_buffer_get_size (buf);
s = g_string_sized_new (10 + 50 + buf_size + 2 + 1);
/* stanza count */
g_string_append_printf (s, "%d\n", srtenc->counter++);
/* start_time --> end_time */
gst_srt_enc_append_timestamp_to_string (ts, s);
g_string_append_printf (s, " --> ");
gst_srt_enc_append_timestamp_to_string (ts + dur, s);
g_string_append_c (s, '\n');
/* text */
if (gst_buffer_map (buf, &map_info, GST_MAP_READ)) {
g_string_append_len (s, (const gchar *) map_info.data, map_info.size);
gst_buffer_unmap (buf, &map_info);
}
g_string_append (s, "\n\n");
buf_size = s->len;
new_buffer = gst_buffer_new_wrapped (g_string_free (s, FALSE), buf_size);
GST_BUFFER_TIMESTAMP (new_buffer) = GST_BUFFER_TIMESTAMP (buf);
GST_BUFFER_DURATION (new_buffer) = GST_BUFFER_DURATION (buf);
gst_buffer_unref (buf);
return gst_pad_push (srtenc->srcpad, new_buffer);
}
static void
gst_srt_enc_base_init (gpointer klass)
static gboolean
gst_srt_enc_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_template));
GstSrtEnc *srtenc = GST_SRT_ENC (parent);
gboolean ret;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
caps = gst_static_pad_template_get_caps (&src_template);
gst_pad_set_caps (srtenc->srcpad, caps);
gst_caps_unref (caps);
gst_event_unref (event);
ret = TRUE;
break;
}
default:
ret = gst_pad_event_default (pad, parent, event);
break;
}
gst_element_class_set_static_metadata (element_class,
"Srt encoder", "Codec/Encoder/Subtitle",
"Srt subtitle encoder", "Thijs Vermeir <thijsvermeir@gmail.com>");
return ret;
}
static void
......@@ -225,18 +246,31 @@ gst_srt_enc_class_init (GstSrtEncClass * klass)
0,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_template));
gst_element_class_set_static_metadata (element_class,
"Srt encoder", "Codec/Encoder/Subtitle",
"Srt subtitle encoder", "Thijs Vermeir <thijsvermeir@gmail.com>");
GST_DEBUG_CATEGORY_INIT (srtenc_debug, "srtenc", 0,
"SubRip subtitle encoder");
}
static void
gst_srt_enc_init (GstSrtEnc * srtenc, GstSrtEncClass * klass)
gst_srt_enc_init (GstSrtEnc * srtenc)
{
gst_srt_enc_reset (srtenc);
srtenc->srcpad = gst_pad_new_from_static_template (&src_template, "src");
gst_element_add_pad (GST_ELEMENT (srtenc), srtenc->srcpad);
srtenc->sinkpad = gst_pad_new_from_static_template (&sink_template, "sink");
gst_pad_set_chain_function (srtenc->sinkpad,
GST_DEBUG_FUNCPTR (gst_srt_enc_chain));
gst_pad_set_event_function (srtenc->sinkpad,
GST_DEBUG_FUNCPTR (gst_srt_enc_event));
gst_element_add_pad (GST_ELEMENT (srtenc), srtenc->sinkpad);
gst_pad_set_chain_function (srtenc->sinkpad, gst_srt_enc_chain);
}
......@@ -21,10 +21,10 @@
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "string.h"
#include <string.h>
#include "gstwebvttenc.h"
#include <gst/controller/gstcontroller.h>
GST_DEBUG_CATEGORY_STATIC (webvttenc_debug);
#define GST_CAT_DEFAULT webvttenc_debug
......@@ -39,27 +39,29 @@ enum
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("text/webvtt"));
GST_STATIC_CAPS ("text/vtt"));
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("text/plain; text/x-pango-markup"));
GST_STATIC_CAPS ("text/x-raw, format = { pango-markup, utf8 }"));
static GstFlowReturn gst_webvtt_enc_chain (GstPad * pad, GstBuffer * buf);
static gchar *gst_webvtt_enc_timeconvertion (GstWebvttEnc * webvttenc,
static GstFlowReturn gst_webvtt_enc_chain (GstPad * pad, GstObject * parent,
GstBuffer * buf);
static gchar *gst_webvtt_enc_timestamp_to_string (GstClockTime timestamp);
static void gst_webvtt_enc_append_timestamp_to_string (GstClockTime timestamp,
GString * str);
static void gst_webvtt_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_webvtt_enc_reset (GstWebvttEnc * webvttenc);
static void gst_webvtt_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
GST_BOILERPLATE (GstWebvttEnc, gst_webvtt_enc, GstElement, GST_TYPE_ELEMENT);
#define parent_class gst_webvtt_enc_parent_class
G_DEFINE_TYPE (GstWebvttEnc, gst_webvtt_enc, GST_TYPE_ELEMENT);
static gchar *
gst_webvtt_enc_timestamp_to_string (GstClockTime timestamp)
static void
gst_webvtt_enc_append_timestamp_to_string (GstClockTime timestamp,
GString * str)
{
guint h, m, s, ms;
......@@ -74,97 +76,102 @@ gst_webvtt_enc_timestamp_to_string (GstClockTime timestamp)
timestamp -= s * GST_SECOND;
ms = timestamp / GST_MSECOND;
return g_strdup_printf ("%02d:%02d:%02d.%03d", h, m, s, ms);
}
static gchar *
gst_webvtt_enc_timeconvertion (GstWebvttEnc * webvttenc, GstBuffer * buf)
{
gchar *start_time;
gchar *stop_time;
gchar *string;
start_time = gst_webvtt_enc_timestamp_to_string (GST_BUFFER_TIMESTAMP (buf) +
webvttenc->timestamp);
if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_DURATION (buf))) {
stop_time = gst_webvtt_enc_timestamp_to_string (GST_BUFFER_TIMESTAMP (buf) +
webvttenc->timestamp + GST_BUFFER_DURATION (buf) + webvttenc->duration);
} else {
stop_time = gst_webvtt_enc_timestamp_to_string (GST_BUFFER_TIMESTAMP (buf) +
webvttenc->timestamp + webvttenc->duration);
}
string = g_strdup_printf ("%s --> %s\n", start_time, stop_time);
g_free (start_time);
g_free (stop_time);
return string;
g_string_append_printf (str, "%02d:%02d:%02d.%03d", h, m, s, ms);
}
static GstFlowReturn
gst_webvtt_enc_chain (GstPad * pad, GstBuffer * buf)
gst_webvtt_enc_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
{
GstWebvttEnc *webvttenc;
GstWebvttEnc *webvttenc = GST_WEBVTT_ENC (parent);
GstClockTime ts, dur = GST_SECOND;
GstBuffer *new_buffer;
gchar *timing;
GstMapInfo map_info;
GstFlowReturn ret;
webvttenc = GST_WEBVTT_ENC (gst_pad_get_parent_element (pad));
GString *s;
gsize buf_size;
if (!webvttenc->pushed_header) {
const char *header = "WEBVTT\n\n";
new_buffer = gst_buffer_new_and_alloc (strlen (header));
memcpy (GST_BUFFER_DATA (new_buffer), header, strlen (header));
new_buffer = gst_buffer_new_wrapped (g_strdup (header), strlen (header));
GST_BUFFER_TIMESTAMP (new_buffer) = GST_CLOCK_TIME_NONE;
GST_BUFFER_PTS (new_buffer) = GST_CLOCK_TIME_NONE;
GST_BUFFER_DURATION (new_buffer) = GST_CLOCK_TIME_NONE;
ret = gst_pad_push (webvttenc->srcpad, new_buffer);
if (ret != GST_FLOW_OK) {
if (ret != GST_FLOW_OK)
goto out;
}
webvttenc->pushed_header = TRUE;
}
gst_object_sync_values (GST_OBJECT (webvttenc), GST_BUFFER_TIMESTAMP (buf));
gst_object_sync_values (GST_OBJECT (webvttenc), GST_BUFFER_PTS (buf));
ts = GST_BUFFER_PTS (buf) + webvttenc->timestamp;
if (GST_BUFFER_DURATION_IS_VALID (buf))
dur = GST_BUFFER_DURATION (buf) + webvttenc->duration;
else if (webvttenc->duration > 0)
dur = webvttenc->duration;
else
dur = GST_SECOND;
buf_size = gst_buffer_get_size (buf);
s = g_string_sized_new (50 + buf_size + 1 + 1);
/* start_time --> end_time */
gst_webvtt_enc_append_timestamp_to_string (ts, s);
g_string_append_printf (s, " --> ");
gst_webvtt_enc_append_timestamp_to_string (ts + dur, s);
g_string_append_c (s, '\n');
/* text */
if (gst_buffer_map (buf, &map_info, GST_MAP_READ)) {
g_string_append_len (s, (const gchar *) map_info.data, map_info.size);
gst_buffer_unmap (buf, &map_info);
}
g_string_append_c (s, '\n');
timing = gst_webvtt_enc_timeconvertion (webvttenc, buf);
new_buffer =
gst_buffer_new_and_alloc (strlen (timing) + GST_BUFFER_SIZE (buf) + 1);
memcpy (GST_BUFFER_DATA (new_buffer), timing, strlen (timing));
memcpy (GST_BUFFER_DATA (new_buffer) + strlen (timing), GST_BUFFER_DATA (buf),
GST_BUFFER_SIZE (buf));
memcpy (GST_BUFFER_DATA (new_buffer) + GST_BUFFER_SIZE (new_buffer) - 1,
"\n", 1);
g_free (timing);
buf_size = s->len;
new_buffer = gst_buffer_new_wrapped (g_string_free (s, FALSE), buf_size);
GST_BUFFER_TIMESTAMP (new_buffer) = GST_BUFFER_TIMESTAMP (buf);
GST_BUFFER_DURATION (new_buffer) = GST_BUFFER_DURATION (buf);
ret = gst_pad_push (webvttenc->srcpad, new_buffer);
out:
gst_buffer_unref (buf);
gst_object_unref (webvttenc);
return ret;
}
static void
gst_webvtt_enc_base_init (gpointer klass)
static gboolean
gst_webvtt_enc_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_template));
GstWebvttEnc *webvttenc = GST_WEBVTT_ENC (parent);
gboolean ret;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
caps = gst_static_pad_template_get_caps (&src_template);
gst_pad_set_caps (webvttenc->srcpad, caps);
gst_caps_unref (caps);
gst_event_unref (event);
ret = TRUE;
break;
}
default:
ret = gst_pad_event_default (pad, parent, event);
break;
}
gst_element_class_set_static_metadata (element_class,
"WebVTT encoder", "Codec/Encoder/Subtitle",
"WebVTT subtitle encoder", "David Schleef <ds@schleef.org>");
return ret;
}
static void
......@@ -259,12 +266,21 @@ gst_webvtt_enc_class_init (GstWebvttEncClass * klass)
0,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_template));
gst_element_class_set_static_metadata (element_class,
"WebVTT encoder", "Codec/Encoder/Subtitle",
"WebVTT subtitle encoder", "David Schleef <ds@schleef.org>");
GST_DEBUG_CATEGORY_INIT (webvttenc_debug, "webvttenc", 0,
"SubRip subtitle encoder");
}
static void
gst_webvtt_enc_init (GstWebvttEnc * webvttenc, GstWebvttEncClass * klass)
gst_webvtt_enc_init (GstWebvttEnc * webvttenc)
{
gst_webvtt_enc_reset (webvttenc);
......@@ -272,6 +288,9 @@ gst_webvtt_enc_init (GstWebvttEnc * webvttenc, GstWebvttEncClass * klass)
gst_element_add_pad (GST_ELEMENT (webvttenc), webvttenc->srcpad);
webvttenc->sinkpad =
gst_pad_new_from_static_template (&sink_template, "sink");
gst_pad_set_chain_function (webvttenc->sinkpad,
GST_DEBUG_FUNCPTR (gst_webvtt_enc_chain));
gst_pad_set_event_function (webvttenc->sinkpad,
GST_DEBUG_FUNCPTR (gst_webvtt_enc_event));
gst_element_add_pad (GST_ELEMENT (webvttenc), webvttenc->sinkpad);
gst_pad_set_chain_function (webvttenc->sinkpad, gst_webvtt_enc_chain);
}
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