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sbc: Fixes sbcparser element.
This commit is contained in:
Luiz Augusto von Dentz
Tim-Philipp Müller
parent
f88c9d5555
commit
01b0530663
1 changed files with 169 additions and 13 deletions
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@ -28,6 +28,7 @@
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#include <string.h>
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#include "gstsbcparse.h"
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#include "gstsbcutil.h"
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GST_DEBUG_CATEGORY_STATIC (sbc_parse_debug);
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#define GST_CAT_DEFAULT sbc_parse_debug
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@ -54,6 +55,170 @@ GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
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"subbands = (int) { 4, 8 }, "
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"allocation = (string) { snr, loudness }"));
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/*
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Creates a fixed caps from the caps given.
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*/
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static GstCaps *
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sbc_parse_select_caps (GstSbcParse * parse, GstCaps * caps)
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{
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GstCaps *result;
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GstStructure *structure;
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const GValue *value;
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gboolean error = FALSE;
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gint temp, rate, channels, blocks, subbands;
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const gchar *allocation = NULL;
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const gchar *mode = NULL;
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const gchar *error_message = NULL;
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structure = gst_caps_get_structure (caps, 0);
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/* rate */
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if (!gst_structure_has_field (structure, "rate")) {
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error = TRUE;
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error_message = "no rate.";
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goto error;
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} else {
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value = gst_structure_get_value (structure, "rate");
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if (GST_VALUE_HOLDS_LIST (value)) {
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temp = gst_sbc_select_rate_from_list (value);
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} else if (GST_VALUE_HOLDS_INT_RANGE (value)) {
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temp = gst_sbc_select_rate_from_range (value);
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} else {
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temp = g_value_get_int (value);
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}
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rate = temp;
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}
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/* channels */
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if (!gst_structure_has_field (structure, "channels")) {
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error = TRUE;
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error_message = "no channels.";
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goto error;
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} else {
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value = gst_structure_get_value (structure, "channels");
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if (GST_VALUE_HOLDS_LIST (value)) {
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temp = gst_sbc_select_channels_from_list (value);
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} else if (GST_VALUE_HOLDS_INT_RANGE (value)) {
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temp = gst_sbc_select_channels_from_range (value);
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} else {
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temp = g_value_get_int (value);
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}
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channels = temp;
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}
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/* blocks */
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if (!gst_structure_has_field (structure, "blocks")) {
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error = TRUE;
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error_message = "no blocks.";
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goto error;
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} else {
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value = gst_structure_get_value (structure, "blocks");
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if (GST_VALUE_HOLDS_LIST (value)) {
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temp = gst_sbc_select_blocks_from_list (value);
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} else if (GST_VALUE_HOLDS_INT_RANGE (value)) {
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temp = gst_sbc_select_blocks_from_range (value);
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} else {
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temp = g_value_get_int (value);
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}
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blocks = temp;
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}
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/* subbands */
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if (!gst_structure_has_field (structure, "subbands")) {
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error = TRUE;
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error_message = "no subbands.";
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goto error;
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} else {
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value = gst_structure_get_value (structure, "subbands");
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if (GST_VALUE_HOLDS_LIST (value)) {
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temp = gst_sbc_select_subbands_from_list (value);
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} else if (GST_VALUE_HOLDS_INT_RANGE (value)) {
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temp = gst_sbc_select_subbands_from_range (value);
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} else {
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temp = g_value_get_int (value);
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}
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subbands = temp;
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}
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/* allocation */
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if (!gst_structure_has_field (structure, "allocation")) {
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error = TRUE;
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error_message = "no allocation.";
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goto error;
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} else {
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value = gst_structure_get_value (structure, "allocation");
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if (GST_VALUE_HOLDS_LIST (value)) {
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allocation = gst_sbc_get_allocation_from_list (value);
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} else {
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allocation = g_value_get_string (value);
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}
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}
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/* mode */
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if (!gst_structure_has_field (structure, "mode")) {
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error = TRUE;
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error_message = "no mode.";
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goto error;
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} else {
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value = gst_structure_get_value (structure, "mode");
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if (GST_VALUE_HOLDS_LIST (value)) {
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mode = gst_sbc_get_mode_from_list (value);
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} else {
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mode = g_value_get_string (value);
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}
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}
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error:
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if (error) {
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GST_ERROR_OBJECT (parse, "Invalid input caps: %s", error_message);
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return NULL;
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}
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result = gst_caps_new_simple ("audio/x-sbc",
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"rate", G_TYPE_INT, rate,
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"channels", G_TYPE_INT, channels,
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"mode", G_TYPE_STRING, mode,
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"blocks", G_TYPE_INT, blocks,
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"subbands", G_TYPE_INT, subbands,
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"allocation", G_TYPE_STRING, allocation, NULL);
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parse->sbc.rate = rate;
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parse->sbc.channels = channels;
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parse->sbc.blocks = blocks;
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parse->sbc.subbands = subbands;
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parse->sbc.joint = gst_sbc_get_mode_int (mode);
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parse->sbc.allocation = gst_sbc_get_allocation_mode_int (allocation);
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return result;
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}
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static gboolean
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sbc_parse_sink_setcaps (GstPad * pad, GstCaps * caps)
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{
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GstSbcParse *parse;
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GstCaps *inter, *other, *srccaps;
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parse = GST_SBC_PARSE (GST_PAD_PARENT (pad));
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other = gst_pad_peer_get_caps (parse->srcpad);
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if (other == NULL)
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other = gst_caps_new_any ();
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inter = gst_caps_intersect (caps, other);
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srccaps = sbc_parse_select_caps (parse, inter);
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if (srccaps == NULL)
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return FALSE;
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gst_pad_set_caps (parse->srcpad, srccaps);
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gst_caps_unref (inter);
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gst_caps_unref (other);
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gst_caps_unref (srccaps);
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return TRUE;
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}
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static GstFlowReturn
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sbc_parse_chain (GstPad * pad, GstBuffer * buffer)
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{
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@ -79,28 +244,19 @@ sbc_parse_chain (GstPad * pad, GstBuffer * buffer)
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while (offset < size) {
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GstBuffer *output;
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GstPadTemplate *template;
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GstCaps *caps, *temp;
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GstCaps *temp;
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int consumed;
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consumed = sbc_parse (&parse->sbc, data + offset, size - offset);
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if (consumed <= 0)
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break;
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caps = gst_caps_new_simple ("audio/x-sbc",
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"rate", G_TYPE_INT, parse->sbc.rate,
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"channels", G_TYPE_INT, parse->sbc.channels, NULL);
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template = gst_static_pad_template_get (&sbc_parse_src_factory);
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temp = gst_caps_intersect (caps, gst_pad_template_get_caps (template));
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gst_caps_unref (caps);
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temp = GST_PAD_CAPS (parse->srcpad);
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res = gst_pad_alloc_buffer_and_set_caps (parse->srcpad,
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GST_BUFFER_OFFSET_NONE, consumed, temp, &output);
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gst_caps_unref (temp);
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if (res != GST_FLOW_OK)
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goto done;
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@ -138,7 +294,6 @@ sbc_parse_change_state (GstElement * element, GstStateChange transition)
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}
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sbc_init (&parse->sbc, 0);
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break;
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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GST_DEBUG ("Finish subband codec");
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if (parse->buffer) {
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@ -147,7 +302,6 @@ sbc_parse_change_state (GstElement * element, GstStateChange transition)
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}
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sbc_finish (&parse->sbc);
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break;
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default:
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break;
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}
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@ -189,6 +343,8 @@ gst_sbc_parse_init (GstSbcParse * self, GstSbcParseClass * klass)
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gst_pad_new_from_static_template (&sbc_parse_sink_factory, "sink");
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gst_pad_set_chain_function (self->sinkpad,
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GST_DEBUG_FUNCPTR (sbc_parse_chain));
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gst_pad_set_setcaps_function (self->sinkpad,
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GST_DEBUG_FUNCPTR (sbc_parse_sink_setcaps));
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gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
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self->srcpad =
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