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hlsdemux: use and adapter instead of costful buffer joins

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This commit is contained in:
Andoni Morales Alastruey 2011-04-02 01:08:02 +02:00 committed by Sebastian Dröge
parent a8f047f689
commit e13ef203e3
2 changed files with 20 additions and 20 deletions
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37
gst/hls/gsthlsdemux.c
View file

@ -165,6 +165,8 @@ gst_hls_demux_dispose (GObject * obj)
gst_hls_demux_reset (demux, TRUE);
gst_object_unref (demux->download);
G_OBJECT_CLASS (parent_class)->dispose (obj);
}
@ -231,6 +233,7 @@ gst_hls_demux_init (GstHLSDemux * demux, GstHLSDemuxClass * klass)
demux->fragments_cache = DEFAULT_FRAGMENTS_CACHE;
demux->bitrate_switch_tol = DEFAULT_BITRATE_SWITCH_TOLERANCE;
demux->download = gst_adapter_new ();
demux->fetcher_bus = gst_bus_new ();
gst_bus_set_sync_handler (demux->fetcher_bus,
gst_hls_demux_fetcher_bus_handler, demux);
@ -449,7 +452,7 @@ gst_hls_demux_fetcher_chain (GstPad * pad, GstBuffer * buf)
GstHLSDemux *demux = GST_HLS_DEMUX (gst_pad_get_element_private (pad));
/* The source element can be an http source element. In case we get a 404,
* the html response will be sent downstream and demux->downloaded_uri
* the html response will be sent downstream and the adapter
* will not be null, which might make us think that the request proceed
* successfully. But it will also post an error message in the bus that
* is handled synchronously and that will set demux->fetcher_error to TRUE,
@ -460,10 +463,7 @@ gst_hls_demux_fetcher_chain (GstPad * pad, GstBuffer * buf)
GST_LOG_OBJECT (demux, "The uri fetcher received a new buffer of size %u",
GST_BUFFER_SIZE (buf));
if (demux->downloaded_uri == NULL)
demux->downloaded_uri = buf;
else
demux->downloaded_uri = gst_buffer_join (demux->downloaded_uri, buf);
gst_adapter_push (demux->download, buf);
done:
{
@ -498,9 +498,8 @@ gst_hls_demux_stop_fetcher (GstHLSDemux * demux, gboolean cancelled)
demux->fetcher = NULL;
/* if we stopped it to cancell a download, free the cached buffer */
if (cancelled && demux->downloaded_uri != NULL) {
gst_buffer_unref (demux->downloaded_uri);
demux->downloaded_uri = NULL;
if (cancelled && !gst_adapter_available (demux->download)) {
gst_adapter_clear (demux->download);
/* signal the fetcher thread that the download has finished/cancelled */
g_cond_signal (demux->fetcher_cond);
}
@ -639,10 +638,7 @@ gst_hls_demux_reset (GstHLSDemux * demux, gboolean dispose)
demux->playlist = NULL;
}
if (demux->downloaded_uri) {
gst_buffer_unref (demux->downloaded_uri);
demux->downloaded_uri = NULL;
}
gst_adapter_clear (demux->download);
if (demux->client)
gst_m3u8_client_free (demux->client);
@ -814,7 +810,7 @@ gst_hls_demux_fetch_location (GstHLSDemux * demux, const gchar * uri)
gst_hls_demux_stop_fetcher (demux, FALSE);
if (demux->downloaded_uri != NULL) {
if (gst_adapter_available (demux->download)) {
GST_INFO_OBJECT (demux, "URI fetched successfully");
bret = TRUE;
}
@ -848,17 +844,18 @@ static gboolean
gst_hls_demux_update_playlist (GstHLSDemux * demux, gboolean retry)
{
gchar *playlist;
guint avail;
GST_INFO_OBJECT (demux, "Updating the playlist %s",
demux->client->current->uri);
if (!gst_hls_demux_fetch_location (demux, demux->client->current->uri))
return FALSE;
playlist = g_strndup ((gchar *) GST_BUFFER_DATA (demux->downloaded_uri),
GST_BUFFER_SIZE (demux->downloaded_uri));
avail = gst_adapter_available (demux->download);
playlist =
g_strndup ((gchar *) gst_adapter_peek (demux->download, avail), avail);
gst_m3u8_client_update (demux->client, playlist);
gst_buffer_unref (demux->downloaded_uri);
demux->downloaded_uri = NULL;
gst_adapter_clear (demux->download);
return TRUE;
}
@ -957,6 +954,7 @@ static gboolean
gst_hls_demux_get_next_fragment (GstHLSDemux * demux, gboolean retry)
{
GstBuffer *buf;
guint avail;
const gchar *next_fragment_uri;
gboolean discont;
@ -975,7 +973,8 @@ gst_hls_demux_get_next_fragment (GstHLSDemux * demux, gboolean retry)
if (!gst_hls_demux_fetch_location (demux, next_fragment_uri))
return FALSE;
buf = demux->downloaded_uri;
avail = gst_adapter_available (demux->download);
buf = gst_adapter_take_buffer (demux->download, avail);
if (G_UNLIKELY (demux->input_caps == NULL)) {
demux->input_caps = gst_type_find_helper_for_buffer (NULL, buf, NULL);
@ -993,6 +992,6 @@ gst_hls_demux_get_next_fragment (GstHLSDemux * demux, gboolean retry)
g_queue_push_tail (demux->queue, buf);
GST_TASK_SIGNAL (demux->task);
demux->downloaded_uri = NULL;
gst_adapter_clear (demux->download);
return TRUE;
}

3
gst/hls/gsthlsdemux.h
View file

@ -25,6 +25,7 @@
#define __GST_HLS_DEMUX_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include "m3u8.h"
G_BEGIN_DECLS
@ -84,7 +85,7 @@ struct _GstHLSDemux
gboolean fetcher_error;
gboolean stopping_fetcher;
gboolean cancelled;
GstBuffer *downloaded_uri;
GstAdapter *download;
};