From 8936f6634c878973d966df53d23505a7c05e0f0c Mon Sep 17 00:00:00 2001 From: Jun Ji Date: Thu, 13 Nov 2014 09:55:02 +0900 Subject: [PATCH] omx: Add omxamrdec https://bugzilla.gnome.org/show_bug.cgi?id=739333 --- omx/Makefile.am | 2 + omx/gstomx.c | 4 +- omx/gstomxamrdec.c | 220 +++++++++++++++++++++++++++++++++++++++++++++++++++++ omx/gstomxamrdec.h | 61 +++++++++++++++ 4 files changed, 286 insertions(+), 1 deletion(-) create mode 100644 omx/gstomxamrdec.c create mode 100644 omx/gstomxamrdec.h diff --git a/omx/Makefile.am b/omx/Makefile.am index ad95334..662bee2 100644 --- a/omx/Makefile.am +++ b/omx/Makefile.am @@ -32,6 +32,7 @@ libgstomx_la_SOURCES = \ gstomxaacdec.c \ gstomxmp3dec.c \ gstomxaacenc.c \ + gstomxamrdec.c \ gstomxaudiosink.c \ gstomxanalogaudiosink.c \ gstomxhdmiaudiosink.c @@ -58,6 +59,7 @@ noinst_HEADERS = \ gstomxaacdec.h \ gstomxmp3dec.h \ gstomxaacenc.h \ + gstomxamrdec.h \ gstomxaudiosink.h \ gstomxanalogaudiosink.h \ gstomxhdmiaudiosink.h diff --git a/omx/gstomx.c b/omx/gstomx.c index 9a77e5b..eced224 100644 --- a/omx/gstomx.c +++ b/omx/gstomx.c @@ -42,6 +42,7 @@ #include "gstomxaacdec.h" #include "gstomxmp3dec.h" #include "gstomxaacenc.h" +#include "gstomxamrdec.h" #include "gstomxanalogaudiosink.h" #include "gstomxhdmiaudiosink.h" @@ -2247,7 +2248,8 @@ static const GGetTypeFunction types[] = { gst_omx_wmv_dec_get_type, gst_omx_mpeg4_video_enc_get_type, gst_omx_h264_enc_get_type, gst_omx_h263_enc_get_type, gst_omx_aac_enc_get_type, gst_omx_mjpeg_dec_get_type, - gst_omx_aac_dec_get_type, gst_omx_mp3_dec_get_type + gst_omx_aac_dec_get_type, gst_omx_mp3_dec_get_type, + gst_omx_amr_dec_get_type #ifdef HAVE_VP8 , gst_omx_vp8_dec_get_type #endif diff --git a/omx/gstomxamrdec.c b/omx/gstomxamrdec.c new file mode 100644 index 0000000..78567b6 --- /dev/null +++ b/omx/gstomxamrdec.c @@ -0,0 +1,220 @@ +/* + * Copyright (C) 2014, Sebastian Dröge + * Copyright (C) 2014, LG Electronics, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "gstomxamrdec.h" + +GST_DEBUG_CATEGORY_STATIC (gst_omx_amr_dec_debug_category); +#define GST_CAT_DEFAULT gst_omx_amr_dec_debug_category + +/* prototypes */ +static gboolean gst_omx_amr_dec_set_format (GstOMXAudioDec * dec, + GstOMXPort * port, GstCaps * caps); +static gboolean gst_omx_amr_dec_is_format_change (GstOMXAudioDec * dec, + GstOMXPort * port, GstCaps * caps); +static gint gst_omx_amr_dec_get_samples_per_frame (GstOMXAudioDec * dec, + GstOMXPort * port); +static gboolean gst_omx_amr_dec_get_channel_positions (GstOMXAudioDec * dec, + GstOMXPort * port, GstAudioChannelPosition position[OMX_AUDIO_MAXCHANNELS]); + +/* class initialization */ + +#define DEBUG_INIT \ + GST_DEBUG_CATEGORY_INIT (gst_omx_amr_dec_debug_category, "omxamrdec", 0, \ + "debug category for gst-omx amr audio decoder"); + +G_DEFINE_TYPE_WITH_CODE (GstOMXAMRDec, gst_omx_amr_dec, + GST_TYPE_OMX_AUDIO_DEC, DEBUG_INIT); + +static void +gst_omx_amr_dec_class_init (GstOMXAMRDecClass * klass) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (klass); + GstOMXAudioDecClass *audiodec_class = GST_OMX_AUDIO_DEC_CLASS (klass); + + audiodec_class->set_format = GST_DEBUG_FUNCPTR (gst_omx_amr_dec_set_format); + audiodec_class->is_format_change = + GST_DEBUG_FUNCPTR (gst_omx_amr_dec_is_format_change); + audiodec_class->get_samples_per_frame = + GST_DEBUG_FUNCPTR (gst_omx_amr_dec_get_samples_per_frame); + audiodec_class->get_channel_positions = + GST_DEBUG_FUNCPTR (gst_omx_amr_dec_get_channel_positions); + + audiodec_class->cdata.default_sink_template_caps = + "audio/AMR, rate=(int)8000, channels=(int)1; " + "audio/AMR-WB, rate=(int)16000, channels=(int)1"; + + gst_element_class_set_static_metadata (element_class, + "OpenMAX AMR Audio Decoder", + "Codec/Decoder/Audio", + "Decode AMR audio streams", + "Sebastian Dröge "); + + gst_omx_set_default_role (&audiodec_class->cdata, "audio_decoder.amrnb"); +} + +static void +gst_omx_amr_dec_init (GstOMXAMRDec * self) +{ + self->spf = -1; +} + +static gboolean +gst_omx_amr_dec_set_format (GstOMXAudioDec * dec, GstOMXPort * port, + GstCaps * caps) +{ + GstOMXAMRDec *self = GST_OMX_AMR_DEC (dec); + OMX_PARAM_PORTDEFINITIONTYPE port_def; + OMX_AUDIO_PARAM_AMRTYPE amr_param; + OMX_ERRORTYPE err; + GstStructure *s; + gint rate, channels; + + gst_omx_port_get_port_definition (port, &port_def); + port_def.format.audio.eEncoding = OMX_AUDIO_CodingAMR; /* not tested for AMRWB */ + err = gst_omx_port_update_port_definition (port, &port_def); + if (err != OMX_ErrorNone) { + GST_ERROR_OBJECT (self, + "Failed to set AMR format on component: %s (0x%08x)", + gst_omx_error_to_string (err), err); + return FALSE; + } + + GST_OMX_INIT_STRUCT (&amr_param); + amr_param.nPortIndex = port->index; + + err = + gst_omx_component_get_parameter (dec->dec, OMX_IndexParamAudioAmr, + &amr_param); + if (err != OMX_ErrorNone) { + GST_ERROR_OBJECT (self, + "Failed to get AMR parameters from component: %s (0x%08x)", + gst_omx_error_to_string (err), err); + return FALSE; + } + + s = gst_caps_get_structure (caps, 0); + + if (!gst_structure_get_int (s, "rate", &rate) || + !gst_structure_get_int (s, "channels", &channels)) { + GST_ERROR_OBJECT (self, "Incomplete caps"); + return FALSE; + } + + self->rate = rate; + + if (rate == 8000) + self->spf = 160; /* (8000/50) */ + else if (rate == 16000) + self->spf = 320; /* (16000/50) */ + + amr_param.nChannels = channels; + amr_param.eAMRBandMode = 0; /*FIXME: It may require a specific value */ + amr_param.eAMRDTXMode = 0; + amr_param.eAMRFrameFormat = 0; + + err = + gst_omx_component_set_parameter (dec->dec, OMX_IndexParamAudioAmr, + &amr_param); + if (err != OMX_ErrorNone) { + GST_ERROR_OBJECT (self, "Error setting AMR parameters: %s (0x%08x)", + gst_omx_error_to_string (err), err); + return FALSE; + } + + return TRUE; +} + +static gboolean +gst_omx_amr_dec_is_format_change (GstOMXAudioDec * dec, GstOMXPort * port, + GstCaps * caps) +{ + GstOMXAMRDec *self = GST_OMX_AMR_DEC (dec); + OMX_AUDIO_PARAM_AMRTYPE amr_param; + OMX_ERRORTYPE err; + GstStructure *s; + gint rate, channels; + + GST_OMX_INIT_STRUCT (&amr_param); + amr_param.nPortIndex = port->index; + + err = + gst_omx_component_get_parameter (dec->dec, OMX_IndexParamAudioAmr, + &amr_param); + if (err != OMX_ErrorNone) { + GST_ERROR_OBJECT (self, + "Failed to get AMR parameters from component: %s (0x%08x)", + gst_omx_error_to_string (err), err); + return FALSE; + } + + s = gst_caps_get_structure (caps, 0); + + if (!gst_structure_get_int (s, "rate", &rate) || + !gst_structure_get_int (s, "channels", &channels)) { + GST_ERROR_OBJECT (self, "Incomplete caps"); + return FALSE; + } + + if (self->rate != rate) + return TRUE; + + if (amr_param.nChannels != channels) + return TRUE; + + return FALSE; +} + +static gint +gst_omx_amr_dec_get_samples_per_frame (GstOMXAudioDec * dec, GstOMXPort * port) +{ + return GST_OMX_AMR_DEC (dec)->spf; +} + +static gboolean +gst_omx_amr_dec_get_channel_positions (GstOMXAudioDec * dec, + GstOMXPort * port, GstAudioChannelPosition position[OMX_AUDIO_MAXCHANNELS]) +{ + OMX_AUDIO_PARAM_PCMMODETYPE pcm_param; + OMX_ERRORTYPE err; + + GST_OMX_INIT_STRUCT (&pcm_param); + pcm_param.nPortIndex = port->index; + err = + gst_omx_component_get_parameter (dec->dec, OMX_IndexParamAudioPcm, + &pcm_param); + if (err != OMX_ErrorNone) { + GST_ERROR_OBJECT (dec, "Failed to get PCM parameters: %s (0x%08x)", + gst_omx_error_to_string (err), err); + return FALSE; + } + + + g_return_val_if_fail (pcm_param.nChannels == 1, FALSE); /* AMR supports only mono */ + + position[0] = GST_AUDIO_CHANNEL_POSITION_MONO; + + return TRUE; +} diff --git a/omx/gstomxamrdec.h b/omx/gstomxamrdec.h new file mode 100644 index 0000000..7a2df33 --- /dev/null +++ b/omx/gstomxamrdec.h @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2014, Sebastian Dröge + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifndef __GST_OMX_AMR_DEC_H__ +#define __GST_OMX_AMR_DEC_H__ + +#include +#include "gstomxaudiodec.h" + +G_BEGIN_DECLS + +#define GST_TYPE_OMX_AMR_DEC \ + (gst_omx_amr_dec_get_type()) +#define GST_OMX_AMR_DEC(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OMX_AMR_DEC,GstOMXAMRDec)) +#define GST_OMX_AMR_DEC_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OMX_AMR_DEC,GstOMXAMRDecClass)) +#define GST_OMX_AMR_DEC_GET_CLASS(obj) \ + (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_OMX_AMR_DEC,GstOMXAMRDecClass)) +#define GST_IS_OMX_AMR_DEC(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OMX_AMR_DEC)) +#define GST_IS_OMX_AMR_DEC_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OMX_AMR_DEC)) + +typedef struct _GstOMXAMRDec GstOMXAMRDec; +typedef struct _GstOMXAMRDecClass GstOMXAMRDecClass; + +struct _GstOMXAMRDec +{ + GstOMXAudioDec parent; + gint spf; + gint rate; +}; + +struct _GstOMXAMRDecClass +{ + GstOMXAudioDecClass parent_class; +}; + +GType gst_omx_amr_dec_get_type (void); + +G_END_DECLS + +#endif /* __GST_OMX_AMR_DEC_H__ */ + -- 2.7.4