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author | Edgard Lima <edgard.lima@indt.org.br> | 2005-07-19 20:51:15 +0000 |
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committer | Edgard Lima <edgard.lima@indt.org.br> | 2005-07-19 20:51:15 +0000 |
commit | a853a4b182917f6c52cb11cd820f30445b1ec70a (patch) | |
tree | 4280acaabd76c2b3b5f7e03ffb12cb70ecf7844e /ext/faad | |
parent | a29a07acfb35d95676b83ede8d254ce9709aa3eb (diff) | |
download | gstreamer-plugins-bad-a853a4b182917f6c52cb11cd820f30445b1ec70a.tar.gz |
Ported to 0.9 (faad, amrnb, mpeg2dec)
Original commit message from CVS:
Ported to 0.9 (faad, amrnb, mpeg2dec)
Diffstat (limited to 'ext/faad')
-rw-r--r-- | ext/faad/gstfaad.c | 157 |
1 files changed, 111 insertions, 46 deletions
diff --git a/ext/faad/gstfaad.c b/ext/faad/gstfaad.c index 14fda859e..85a15bec9 100644 --- a/ext/faad/gstfaad.c +++ b/ext/faad/gstfaad.c @@ -79,12 +79,15 @@ static void gst_faad_base_init (GstFaadClass * klass); static void gst_faad_class_init (GstFaadClass * klass); static void gst_faad_init (GstFaad * faad); +/* static GstPadLinkReturn gst_faad_sinkconnect (GstPad * pad, const GstCaps * caps); static GstPadLinkReturn -gst_faad_srcconnect (GstPad * pad, const GstCaps * caps); +gst_faad_srcconnect (GstPad * pad, const GstCaps * caps);*/ +static gboolean gst_faad_setcaps (GstPad * pad, GstCaps * caps); static GstCaps *gst_faad_srcgetcaps (GstPad * pad); -static void gst_faad_chain (GstPad * pad, GstData * data); +static gboolean gst_faad_event (GstPad * pad, GstEvent * event); +static GstFlowReturn gst_faad_chain (GstPad * pad, GstBuffer * buffer); static GstElementStateReturn gst_faad_change_state (GstElement * element); static GstElementClass *parent_class = NULL; @@ -155,28 +158,59 @@ gst_faad_init (GstFaad * faad) faad->channel_positions = NULL; faad->init = FALSE; - GST_FLAG_SET (faad, GST_ELEMENT_EVENT_AWARE); + /* GST_FLAG_SET (faad, GST_ELEMENT_EVENT_AWARE); */ faad->sinkpad = gst_pad_new_from_template (gst_static_pad_template_get (&sink_template), "sink"); gst_element_add_pad (GST_ELEMENT (faad), faad->sinkpad); + gst_pad_set_event_function (faad->sinkpad, gst_faad_event); + gst_pad_set_setcaps_function (faad->sinkpad, gst_faad_setcaps); gst_pad_set_chain_function (faad->sinkpad, gst_faad_chain); - gst_pad_set_link_function (faad->sinkpad, gst_faad_sinkconnect); + /*gst_pad_set_link_function (faad->sinkpad, gst_faad_sinkconnect); */ faad->srcpad = gst_pad_new_from_template (gst_static_pad_template_get (&src_template), "src"); gst_element_add_pad (GST_ELEMENT (faad), faad->srcpad); - gst_pad_set_link_function (faad->srcpad, gst_faad_srcconnect); - + gst_pad_use_fixed_caps (faad->srcpad); + /*gst_pad_set_link_function (faad->srcpad, gst_faad_srcconnect); */ gst_pad_set_getcaps_function (faad->srcpad, gst_faad_srcgetcaps); } +static gboolean +gst_faad_setcaps (GstPad * pad, GstCaps * caps) +{ + GstStructure *structure; + GstFaad *faad; + GstCaps *copy; + + faad = GST_FAAD (GST_PAD_PARENT (pad)); + + structure = gst_caps_get_structure (caps, 0); + + /* get channel count */ + gst_structure_get_int (structure, "channels", &faad->channels); + gst_structure_get_int (structure, "rate", &faad->samplerate); + + /* create reverse caps */ + copy = gst_caps_new_simple ("audio/x-raw-float", + "channels", G_TYPE_INT, faad->channels, + "depth", G_TYPE_INT, G_STRINGIFY (bpp), + "endianness", G_TYPE_INT, G_BYTE_ORDER, + "rate", G_TYPE_INT, faad->samplerate); + + gst_pad_set_caps (faad->srcpad, copy); + gst_caps_unref (copy); + + return TRUE; +} + + /* * Channel identifier conversion - caller g_free()s result! */ - +/* static guchar * gst_faad_chanpos_from_gst (GstAudioChannelPosition * pos, guint num) { @@ -223,7 +257,7 @@ gst_faad_chanpos_from_gst (GstAudioChannelPosition * pos, guint num) return fpos; } - +*/ static GstAudioChannelPosition * gst_faad_chanpos_to_gst (guchar * fpos, guint num) { @@ -274,6 +308,7 @@ gst_faad_chanpos_to_gst (guchar * fpos, guint num) return pos; } +/* static GstPadLinkReturn gst_faad_sinkconnect (GstPad * pad, const GstCaps * caps) { @@ -282,18 +317,18 @@ gst_faad_sinkconnect (GstPad * pad, const GstCaps * caps) const GValue *value; GstBuffer *buf; - /* Assume raw stream */ + // Assume raw stream faad->packetised = FALSE; if ((value = gst_structure_get_value (str, "codec_data"))) { gulong samplerate; guchar channels; - /* We have codec data, means packetised stream */ + // We have codec data, means packetised stream faad->packetised = TRUE; buf = g_value_get_boxed (value); - /* someone forgot that char can be unsigned when writing the API */ + // someone forgot that char can be unsigned when writing the API if ((gint8) faacDecInit2 (faad->handle, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf), &samplerate, &channels) < 0) return GST_PAD_LINK_REFUSED; @@ -312,11 +347,11 @@ gst_faad_sinkconnect (GstPad * pad, const GstCaps * caps) faad->need_channel_setup = TRUE; - /* if there's no decoderspecificdata, it's all fine. We cannot know - * much more at this point... */ + // if there's no decoderspecificdata, it's all fine. We cannot know + // * much more at this point... return GST_PAD_LINK_OK; } - +*/ static GstCaps * gst_faad_srcgetcaps (GstPad * pad) { @@ -395,7 +430,7 @@ gst_faad_srcgetcaps (GstPad * pad) if (faad->channels != -1) { gst_structure_set (str, "channels", G_TYPE_INT, faad->channels, NULL); - /* put channel information here */ + // put channel information here */ if (faad->channel_positions) { GstAudioChannelPosition *pos; @@ -437,6 +472,7 @@ gst_faad_srcgetcaps (GstPad * pad) return templ; } +/** static GstPadLinkReturn gst_faad_srcconnect (GstPad * pad, const GstCaps * caps) { @@ -455,15 +491,15 @@ gst_faad_srcconnect (GstPad * pad, const GstCaps * caps) mimetype = gst_structure_get_name (structure); - /* Samplerate and channels are normally provided through - * the getcaps function */ + // Samplerate and channels are normally provided through + // * the getcaps function if (!gst_structure_get_int (structure, "channels", &channels) || !gst_structure_get_int (structure, "rate", &rate) || rate != faad->samplerate || channels != faad->channels) { return GST_PAD_LINK_REFUSED; } - /* Another internal checkup. */ + // Another internal checkup. if (faad->need_channel_setup) { GstAudioChannelPosition *pos; guchar *fpos; @@ -533,28 +569,55 @@ gst_faad_srcconnect (GstPad * pad, const GstCaps * caps) if (faacDecSetConfiguration (faad->handle, conf) == 0) return GST_PAD_LINK_REFUSED; - /* FIXME: handle return value, how? */ + // FIXME: handle return value, how? faad->bps = depth / 8; return GST_PAD_LINK_OK; } return GST_PAD_LINK_REFUSED; +}*/ + +/* + * Data reading. + */ +static gboolean +gst_faad_event (GstPad * pad, GstEvent * event) +{ + GstFaad *faad; + gboolean res; + + faad = GST_FAAD (gst_pad_get_parent (pad)); + + GST_LOG ("handling event %d", GST_EVENT_TYPE (event)); + + switch (GST_EVENT_TYPE (event)) { + case GST_EVENT_EOS: + case GST_EVENT_DISCONTINUOUS: + default: + break; + } + + res = gst_pad_event_default (faad->sinkpad, event); + + return res; } -static void -gst_faad_chain (GstPad * pad, GstData * data) +static GstFlowReturn +gst_faad_chain (GstPad * pad, GstBuffer * buffer) { + GstFlowReturn ret = GST_FLOW_OK; guint input_size; guint skip_bytes = 0; guchar *input_data; GstFaad *faad = GST_FAAD (gst_pad_get_parent (pad)); - GstBuffer *buf, *outbuf; + GstBuffer *outbuf; faacDecFrameInfo *info; guint64 next_ts; void *out; gboolean run_loop = TRUE; +/* if (GST_IS_EVENT (data)) { GstEvent *event = GST_EVENT (data); @@ -572,14 +635,14 @@ gst_faad_chain (GstPad * pad, GstData * data) return; } } - +*/ info = g_new0 (faacDecFrameInfo, 1); /* buffer + remaining data */ - buf = GST_BUFFER (data); - next_ts = GST_BUFFER_TIMESTAMP (buf); + /* buf = GST_BUFFER (data); */ + next_ts = GST_BUFFER_TIMESTAMP (buffer); if (faad->tempbuf) { - buf = gst_buffer_join (faad->tempbuf, buf); + buffer = gst_buffer_join (faad->tempbuf, buffer); faad->tempbuf = NULL; } @@ -590,11 +653,12 @@ gst_faad_chain (GstPad * pad, GstData * data) glong init_res; init_res = faacDecInit (faad->handle, - GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf), &samplerate, &channels); + GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer), &samplerate, + &channels); if (init_res < 0) { GST_ELEMENT_ERROR (faad, STREAM, DECODE, (NULL), ("Failed to init decoder from stream")); - return; + return GST_FLOW_UNEXPECTED; } skip_bytes = init_res; faad->init = TRUE; @@ -609,8 +673,8 @@ gst_faad_chain (GstPad * pad, GstData * data) } /* decode cycle */ - input_data = GST_BUFFER_DATA (buf); - input_size = GST_BUFFER_SIZE (buf); + input_data = GST_BUFFER_DATA (buffer); + input_size = GST_BUFFER_SIZE (buffer); info->bytesconsumed = input_size - skip_bytes; if (!faad->packetised) { @@ -660,7 +724,7 @@ gst_faad_chain (GstPad * pad, GstData * data) } if (fmt_change) { - GstPadLinkReturn ret; + /*GstPadLinkReturn ret; */ /* store new negotiation information */ faad->samplerate = info->samplerate; @@ -671,12 +735,12 @@ gst_faad_chain (GstPad * pad, GstData * data) memcpy (faad->channel_positions, info->channel_position, faad->channels); - /* and negotiate */ - ret = gst_pad_renegotiate (faad->srcpad); - if (GST_PAD_LINK_FAILED (ret)) { - GST_ELEMENT_ERROR (faad, CORE, NEGOTIATION, (NULL), (NULL)); - break; - } + /* and negotiate + ret = gst_pad_renegotiate (faad->srcpad); + if (GST_PAD_LINK_FAILED (ret)) { + GST_ELEMENT_ERROR (faad, CORE, NEGOTIATION, (NULL), (NULL)); + break; + } */ } /* play decoded data */ @@ -690,25 +754,27 @@ gst_faad_chain (GstPad * pad, GstData * data) if (GST_CLOCK_TIME_IS_VALID (next_ts)) { next_ts += GST_BUFFER_DURATION (outbuf); } - gst_pad_push (faad->srcpad, GST_DATA (outbuf)); + gst_pad_push (faad->srcpad, outbuf); } } } /* Keep the leftovers in raw stream */ if (input_size > 0 && !faad->packetised) { - if (input_size < GST_BUFFER_SIZE (buf)) { - faad->tempbuf = gst_buffer_create_sub (buf, - GST_BUFFER_SIZE (buf) - input_size, input_size); + if (input_size < GST_BUFFER_SIZE (buffer)) { + faad->tempbuf = gst_buffer_create_sub (buffer, + GST_BUFFER_SIZE (buffer) - input_size, input_size); } else { - faad->tempbuf = buf; - gst_buffer_ref (buf); + faad->tempbuf = buffer; + gst_buffer_ref (buffer); } } - gst_buffer_unref (buf); + gst_buffer_unref (buffer); g_free (info); + + return ret; } static GstElementStateReturn @@ -758,8 +824,7 @@ gst_faad_change_state (GstElement * element) static gboolean plugin_init (GstPlugin * plugin) { - return gst_library_load ("gstaudio") && - gst_element_register (plugin, "faad", GST_RANK_PRIMARY, GST_TYPE_FAAD); + return gst_element_register (plugin, "faad", GST_RANK_PRIMARY, GST_TYPE_FAAD); } GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, |