mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-20 07:16:55 +00:00
theoradec: use bufferpool
This commit is contained in:
Wim Taymans
parent
dae5dc1e65
commit
d6f8fb62c5
2 changed files with 109 additions and 35 deletions
|
|
@ -795,6 +795,52 @@ theora_handle_comment_packet (GstTheoraDec * dec, ogg_packet * packet)
|
|||
return GST_FLOW_OK;
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
theora_negotiate_pool (GstTheoraDec * dec, GstCaps * caps)
|
||||
{
|
||||
GstQuery *query;
|
||||
GstBufferPool *pool = NULL;
|
||||
guint alignment, prefix, size;
|
||||
|
||||
/* find a pool for the negotiated caps now */
|
||||
query = gst_query_new_allocation (caps, TRUE);
|
||||
|
||||
if (gst_pad_peer_query (dec->srcpad, query)) {
|
||||
GST_DEBUG_OBJECT (dec, "got downstream ALLOCATION hints");
|
||||
/* we got configuration from our peer, parse them */
|
||||
gst_query_parse_allocation_params (query, &alignment, &prefix, &size,
|
||||
&pool);
|
||||
} else {
|
||||
GST_DEBUG_OBJECT (dec, "didn't get downstream ALLOCATION hints");
|
||||
alignment = 0;
|
||||
prefix = 0;
|
||||
size = gst_video_format_get_size (dec->format, dec->width, dec->height);
|
||||
}
|
||||
|
||||
if (pool == NULL) {
|
||||
GstStructure *config;
|
||||
|
||||
/* we did not get a pool, make one ourselves then */
|
||||
pool = gst_buffer_pool_new ();
|
||||
|
||||
config = gst_buffer_pool_get_config (pool);
|
||||
gst_buffer_pool_config_set (config, caps, size, 0, 0, prefix, 0, alignment);
|
||||
gst_buffer_pool_set_config (pool, config);
|
||||
}
|
||||
|
||||
if (dec->pool)
|
||||
gst_object_unref (dec->pool);
|
||||
dec->pool = pool;
|
||||
|
||||
/* FIXME, we can check if downstream supports clipping and/or video
|
||||
* metadata. */
|
||||
|
||||
/* and activate */
|
||||
gst_buffer_pool_set_active (pool, TRUE);
|
||||
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
theora_handle_type_packet (GstTheoraDec * dec, ogg_packet * packet)
|
||||
{
|
||||
|
|
@ -837,18 +883,24 @@ theora_handle_type_packet (GstTheoraDec * dec, ogg_packet * packet)
|
|||
dec->info.pic_width, dec->info.pic_height,
|
||||
dec->info.pic_x, dec->info.pic_y);
|
||||
|
||||
if (dec->info.pixel_fmt == TH_PF_420) {
|
||||
dec->output_bpp = 12; /* Average bits per pixel. */
|
||||
fourcc = GST_MAKE_FOURCC ('I', '4', '2', '0');
|
||||
} else if (dec->info.pixel_fmt == TH_PF_422) {
|
||||
dec->output_bpp = 16;
|
||||
fourcc = GST_MAKE_FOURCC ('Y', '4', '2', 'B');
|
||||
} else if (dec->info.pixel_fmt == TH_PF_444) {
|
||||
dec->output_bpp = 24;
|
||||
fourcc = GST_MAKE_FOURCC ('Y', '4', '4', '4');
|
||||
} else {
|
||||
GST_ERROR_OBJECT (dec, "Invalid pixel format %d", dec->info.pixel_fmt);
|
||||
return GST_FLOW_ERROR;
|
||||
switch (dec->info.pixel_fmt) {
|
||||
case TH_PF_444:
|
||||
dec->output_bpp = 24;
|
||||
dec->format = GST_VIDEO_FORMAT_Y444;
|
||||
fourcc = GST_MAKE_FOURCC ('Y', '4', '4', '4');
|
||||
break;
|
||||
case TH_PF_420:
|
||||
dec->output_bpp = 12; /* Average bits per pixel. */
|
||||
dec->format = GST_VIDEO_FORMAT_I420;
|
||||
fourcc = GST_MAKE_FOURCC ('I', '4', '2', '0');
|
||||
break;
|
||||
case TH_PF_422:
|
||||
dec->output_bpp = 16;
|
||||
dec->format = GST_VIDEO_FORMAT_Y42B;
|
||||
fourcc = GST_MAKE_FOURCC ('Y', '4', '2', 'B');
|
||||
break;
|
||||
default:
|
||||
goto invalid_format;
|
||||
}
|
||||
|
||||
if (dec->crop) {
|
||||
|
|
@ -909,6 +961,10 @@ theora_handle_type_packet (GstTheoraDec * dec, ogg_packet * packet)
|
|||
gst_pad_set_caps (dec->srcpad, caps);
|
||||
gst_caps_unref (caps);
|
||||
|
||||
/* negotiate a bufferpool */
|
||||
if ((ret = theora_negotiate_pool (dec, caps)) != GST_FLOW_OK)
|
||||
goto no_bufferpool;
|
||||
|
||||
dec->have_header = TRUE;
|
||||
|
||||
if (dec->pendingevents) {
|
||||
|
|
@ -925,6 +981,17 @@ theora_handle_type_packet (GstTheoraDec * dec, ogg_packet * packet)
|
|||
}
|
||||
|
||||
return ret;
|
||||
|
||||
/* ERRORS */
|
||||
invalid_format:
|
||||
{
|
||||
GST_ERROR_OBJECT (dec, "Invalid pixel format %d", dec->info.pixel_fmt);
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
no_bufferpool:
|
||||
{
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
|
|
@ -1043,39 +1110,31 @@ static GstFlowReturn
|
|||
theora_handle_image (GstTheoraDec * dec, th_ycbcr_buffer buf, GstBuffer ** out)
|
||||
{
|
||||
gint width, height, stride;
|
||||
GstFlowReturn result;
|
||||
int i, plane;
|
||||
GstVideoFormat format;
|
||||
guint8 *dest, *src;
|
||||
gsize size;
|
||||
guint8 *data;
|
||||
guint vsize;
|
||||
|
||||
switch (dec->info.pixel_fmt) {
|
||||
case TH_PF_444:
|
||||
format = GST_VIDEO_FORMAT_Y444;
|
||||
break;
|
||||
case TH_PF_420:
|
||||
format = GST_VIDEO_FORMAT_I420;
|
||||
break;
|
||||
case TH_PF_422:
|
||||
format = GST_VIDEO_FORMAT_Y42B;
|
||||
break;
|
||||
default:
|
||||
g_assert_not_reached ();
|
||||
}
|
||||
result = gst_buffer_pool_acquire_buffer (dec->pool, out, NULL);
|
||||
if (G_UNLIKELY (result != GST_FLOW_OK))
|
||||
goto no_buffer;
|
||||
|
||||
vsize = gst_video_format_get_size (format, dec->width, dec->height);
|
||||
*out = gst_buffer_new_and_alloc (vsize);
|
||||
gst_buffer_set_caps (*out, GST_PAD_CAPS (dec->srcpad));
|
||||
|
||||
data = gst_buffer_map (*out, &size, NULL, GST_MAP_WRITE);
|
||||
|
||||
for (plane = 0; plane < 3; plane++) {
|
||||
width = gst_video_format_get_component_width (format, plane, dec->width);
|
||||
height = gst_video_format_get_component_height (format, plane, dec->height);
|
||||
stride = gst_video_format_get_row_stride (format, plane, dec->width);
|
||||
/* FIXME, we can do things slightly more efficient when we know that
|
||||
* downstream understands clipping and video metadata */
|
||||
|
||||
dest = data + gst_video_format_get_component_offset (format,
|
||||
for (plane = 0; plane < 3; plane++) {
|
||||
width =
|
||||
gst_video_format_get_component_width (dec->format, plane, dec->width);
|
||||
height =
|
||||
gst_video_format_get_component_height (dec->format, plane, dec->height);
|
||||
stride = gst_video_format_get_row_stride (dec->format, plane, dec->width);
|
||||
|
||||
dest = data + gst_video_format_get_component_offset (dec->format,
|
||||
plane, dec->width, dec->height);
|
||||
src = buf[plane].data;
|
||||
src += ((height == dec->height) ? dec->offset_y : dec->offset_y / 2)
|
||||
|
|
@ -1092,6 +1151,14 @@ theora_handle_image (GstTheoraDec * dec, th_ycbcr_buffer buf, GstBuffer ** out)
|
|||
gst_buffer_unmap (*out, data, size);
|
||||
|
||||
return GST_FLOW_OK;
|
||||
|
||||
/* ERRORS */
|
||||
no_buffer:
|
||||
{
|
||||
GST_DEBUG_OBJECT (dec, "could not get buffer, reason: %s",
|
||||
gst_flow_get_name (result));
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
|
|
@ -1525,6 +1592,11 @@ theora_dec_change_state (GstElement * element, GstStateChange transition)
|
|||
th_decode_free (dec->decoder);
|
||||
dec->decoder = NULL;
|
||||
gst_theora_dec_reset (dec);
|
||||
if (dec->pool) {
|
||||
gst_buffer_pool_set_active (dec->pool, FALSE);
|
||||
gst_object_unref (dec->pool);
|
||||
dec->pool = NULL;
|
||||
}
|
||||
break;
|
||||
case GST_STATE_CHANGE_READY_TO_NULL:
|
||||
break;
|
||||
|
|
|
|||
|
|
@ -27,6 +27,7 @@
|
|||
#include <gst/gst.h>
|
||||
#include <theora/theoradec.h>
|
||||
#include <string.h>
|
||||
#include <gst/video/video.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
|
|
@ -59,7 +60,6 @@ struct _GstTheoraDec
|
|||
|
||||
/* theora decoder state */
|
||||
th_dec_ctx *decoder;
|
||||
//theora_state state;
|
||||
th_setup_info *setup;
|
||||
th_info info;
|
||||
th_comment comment;
|
||||
|
|
@ -69,9 +69,11 @@ struct _GstTheoraDec
|
|||
GstClockTime last_timestamp;
|
||||
guint64 frame_nr;
|
||||
gboolean need_keyframe;
|
||||
GstVideoFormat format;
|
||||
gint width, height;
|
||||
gint offset_x, offset_y;
|
||||
gint output_bpp;
|
||||
GstBufferPool *pool;
|
||||
|
||||
/* telemetry debuging options */
|
||||
gint telemetry_mv;
|
||||
|
|
|
|||
Loading…
Reference in a new issue