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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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Add video decoder element
This commit is contained in:
Sebastian Dröge
parent
c846605082
commit
1e73da2941
3 changed files with 1581 additions and 1 deletions
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@ -25,6 +25,8 @@
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#include "gstamc.h"
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#include "gstamc-constants.h"
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#include "gstamcvideodec.h"
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <string.h>
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@ -2208,6 +2210,158 @@ gst_amc_aac_profile_from_string (const gchar * profile)
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return -1;
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}
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static gchar *
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create_type_name (const gchar * parent_name, const gchar * codec_name)
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{
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gchar *typified_name;
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gint i, k;
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gint parent_name_len = strlen (parent_name);
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gint codec_name_len = strlen (codec_name);
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gboolean upper = TRUE;
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typified_name = g_new0 (gchar, parent_name_len + 1 + strlen (codec_name) + 1);
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memcpy (typified_name, parent_name, parent_name_len);
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typified_name[parent_name_len] = '-';
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for (i = 0, k = 0; i < codec_name_len; i++) {
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if (g_ascii_isalnum (codec_name[i])) {
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if (upper)
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typified_name[parent_name_len + 1 + k++] =
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g_ascii_toupper (codec_name[i]);
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else
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typified_name[parent_name_len + 1 + k++] =
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g_ascii_tolower (codec_name[i]);
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upper = FALSE;
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} else {
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/* Skip all non-alnum chars and start a new upper case word */
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upper = TRUE;
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}
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}
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return typified_name;
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}
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static gchar *
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create_element_name (gboolean video, gboolean encoder, const gchar * codec_name)
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{
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#define PREFIX_LEN 10
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static const gchar *prefixes[] = {
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"amcviddec-",
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"amcauddec-",
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"amcvidenc-",
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"amcaudenc-"
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};
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gchar *element_name;
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gint i, k;
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gint codec_name_len = strlen (codec_name);
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const gchar *prefix;
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if (video && !encoder)
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prefix = prefixes[0];
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else if (!video && !encoder)
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prefix = prefixes[1];
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else if (video && encoder)
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prefix = prefixes[2];
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else
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prefix = prefixes[3];
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element_name = g_new0 (gchar, PREFIX_LEN + strlen (codec_name) + 1);
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memcpy (element_name, prefix, PREFIX_LEN);
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for (i = 0, k = 0; i < codec_name_len; i++) {
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if (g_ascii_isalnum (codec_name[i])) {
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element_name[PREFIX_LEN + k++] = g_ascii_tolower (codec_name[i]);
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}
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/* Skip all non-alnum chars */
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}
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return element_name;
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}
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#undef PREFIX_LEN
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static gboolean
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register_codecs (GstPlugin * plugin)
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{
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gboolean ret = TRUE;
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GList *l;
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for (l = codec_infos; l; l = l->next) {
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GstAmcCodecInfo *codec_info = l->data;
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gboolean is_audio = FALSE;
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gboolean is_video = FALSE;
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gint i;
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gint n_types;
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GST_DEBUG ("Registering codec '%s'", codec_info->name);
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for (i = 0; i < codec_info->n_supported_types; i++) {
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GstAmcCodecType *codec_type = &codec_info->supported_types[i];
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if (g_str_has_prefix (codec_type->mime, "audio/"))
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is_audio = TRUE;
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else if (g_str_has_prefix (codec_type->mime, "video/"))
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is_video = TRUE;
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}
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n_types = 0;
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if (is_audio)
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n_types++;
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if (is_video)
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n_types++;
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for (i = 0; i < n_types; i++) {
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GTypeQuery type_query;
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GTypeInfo type_info = { 0, };
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GType type, subtype;
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gchar *type_name, *element_name;
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guint rank;
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if (is_video && !codec_info->is_encoder)
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type = gst_amc_video_dec_get_type ();
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else
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continue;
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g_type_query (type, &type_query);
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memset (&type_info, 0, sizeof (type_info));
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type_info.class_size = type_query.class_size;
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type_info.instance_size = type_query.instance_size;
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type_name = create_type_name (type_query.type_name, codec_info->name);
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if (g_type_from_name (type_name) != G_TYPE_INVALID) {
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GST_ERROR ("Type '%s' already exists for codec '%s'", type_name,
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codec_info->name);
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g_free (type_name);
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continue;
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}
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subtype = g_type_register_static (type, type_name, &type_info, 0);
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g_free (type_name);
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g_type_set_qdata (type, gst_amc_codec_info_quark, codec_info);
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element_name =
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create_element_name (is_video, codec_info->is_encoder,
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codec_info->name);
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/* Give the Google software codec a secondary rank,
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* everything else is likely a hardware codec */
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if (g_str_has_prefix (codec_info->name, "OMX.google"))
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rank = GST_RANK_SECONDARY;
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else
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rank = GST_RANK_PRIMARY;
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ret |= gst_element_register (plugin, element_name, rank, subtype);
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g_free (element_name);
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is_video = FALSE;
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}
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}
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return ret;
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}
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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@ -2219,9 +2373,12 @@ plugin_init (GstPlugin * plugin)
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gst_plugin_add_dependency_simple (plugin, NULL, "/etc", "media_codecs.xml",
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GST_PLUGIN_DEPENDENCY_FLAG_NONE);
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if (!get_java_classes () || !scan_codecs ())
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return FALSE;
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gst_amc_codec_info_quark = g_quark_from_static_string ("gst-amc-codec-info");
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if (!get_java_classes () || !scan_codecs ())
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if (!register_codecs (plugin))
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return FALSE;
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return TRUE;
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1321
sys/androidmedia/gstamcvideodec.c
Normal file
1321
sys/androidmedia/gstamcvideodec.c
Normal file
File diff suppressed because it is too large
Load diff
102
sys/androidmedia/gstamcvideodec.h
Normal file
102
sys/androidmedia/gstamcvideodec.h
Normal file
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@ -0,0 +1,102 @@
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/*
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* Copyright (C) 2012, Collabora Ltd.
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* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation
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* version 2.1 of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef __GST_AMC_VIDEO_DEC_H__
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#define __GST_AMC_VIDEO_DEC_H__
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#include <gst/gst.h>
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#ifdef HAVE_GST_0_10_37
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#include <gst/video/gstvideodecoder.h>
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#else
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#include "video/gstvideodecoder.h"
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#endif
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#include "gstamc.h"
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G_BEGIN_DECLS
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#define GST_TYPE_AMC_VIDEO_DEC \
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(gst_amc_video_dec_get_type())
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#define GST_AMC_VIDEO_DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AMC_VIDEO_DEC,GstAmcVideoDec))
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#define GST_AMC_VIDEO_DEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AMC_VIDEO_DEC,GstAmcVideoDecClass))
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#define GST_AMC_VIDEO_DEC_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_AMC_VIDEO_DEC,GstAmcVideoDecClass))
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#define GST_IS_AMC_VIDEO_DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AMC_VIDEO_DEC))
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#define GST_IS_AMC_VIDEO_DEC_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AMC_VIDEO_DEC))
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typedef struct _GstAmcVideoDec GstAmcVideoDec;
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typedef struct _GstAmcVideoDecClass GstAmcVideoDecClass;
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struct _GstAmcVideoDec
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{
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GstVideoDecoder parent;
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/* < private > */
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GstAmcCodec *codec;
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GstAmcBuffer *input_buffers, *output_buffers;
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gsize n_input_buffers, n_output_buffers;
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GstVideoCodecState *input_state;
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gboolean input_state_changed;
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/* Output format of the codec */
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GstVideoFormat format;
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gint color_format;
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gint width, height, stride, slice_height;
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gint crop_left, crop_right;
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gint crop_top, crop_bottom;
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GstBuffer *codec_data;
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/* TRUE if the component is configured and saw
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* the first buffer */
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gboolean started;
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gboolean flushing;
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GstClockTime last_upstream_ts;
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/* Draining state */
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GMutex *drain_lock;
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GCond *drain_cond;
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/* TRUE if EOS buffers shouldn't be forwarded */
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gboolean draining;
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/* TRUE if upstream is EOS */
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gboolean eos;
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GstFlowReturn downstream_flow_ret;
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};
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struct _GstAmcVideoDecClass
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{
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GstVideoDecoderClass parent_class;
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const GstAmcCodecInfo *codec_info;
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};
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GType gst_amc_video_dec_get_type (void);
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G_END_DECLS
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#endif /* __GST_AMC_VIDEO_DEC_H__ */
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