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[MOVED FROM BAD 13/28] ext/x264/gstx264enc.c: Allocate some buffers in more adaptive and economical fashion.

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Original commit message from CVS:
* ext/x264/gstx264enc.c: (gst_x264_enc_init),
(gst_x264_enc_header_buf), (gst_x264_enc_encode_frame):
Allocate some buffers in more adaptive and economical fashion.
This commit is contained in:
Mark Nauwelaerts 2008-08-11 17:24:58 +00:00 committed by Jan Schmidt
parent a2ff3c6fde
commit d22b361df8
1 changed files with 14 additions and 14 deletions
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28
ext/x264/gstx264enc.c
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@ -424,7 +424,7 @@ gst_x264_enc_init (GstX264Enc * encoder, GstX264EncClass * klass)
/* resources */ /* resources */
encoder->delay = g_queue_new (); encoder->delay = g_queue_new ();
encoder->buffer_size = 1040000; encoder->buffer_size = 100000;
encoder->buffer = g_malloc (encoder->buffer_size); encoder->buffer = g_malloc (encoder->buffer_size);
x264_param_default (&encoder->x264param); x264_param_default (&encoder->x264param);
@ -637,16 +637,18 @@ gst_x264_enc_header_buf (GstX264Enc * encoder)
return NULL; return NULL;
} }
/* This should be enough for a header buffer. */ /* x264 is expected to return an SEI (some identification info),
buffer_size = 100000; * followed by an SPS and PPS */
buffer = g_malloc (buffer_size); if (i_nal != 3 || nal[1].i_type != 7 || nal[2].i_type != 8) {
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE, NULL,
if (nal[1].i_type != 7 || nal[2].i_type != 8) { ("Unexpected x264 header."));
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE, ("Unexpected x264 header."),
("TODO avcC header construction for high profiles needs some work"));
return NULL; return NULL;
} }
/* nal payloads with emulation_prevention_three_byte, and some header data */
buffer_size = (nal[1].i_payload + nal[2].i_payload) * 4 + 100;
buffer = g_malloc (buffer_size);
sps = nal[1].p_payload; sps = nal[1].p_payload;
buffer[0] = 1; /* AVC Decoder Configuration Record ver. 1 */ buffer[0] = 1; /* AVC Decoder Configuration Record ver. 1 */
@ -672,9 +674,7 @@ gst_x264_enc_header_buf (GstX264Enc * encoder)
i_size += nal_size + 2; i_size += nal_size + 2;
buf = gst_buffer_new_and_alloc (i_size); buf = gst_buffer_new_and_alloc (i_size);
memcpy (GST_BUFFER_DATA (buf), buffer, i_size); memcpy (GST_BUFFER_DATA (buf), buffer, i_size);
g_free (buffer); g_free (buffer);
return buf; return buf;
@ -906,12 +906,12 @@ gst_x264_enc_encode_frame (GstX264Enc * encoder, x264_picture_t * pic_in,
i_size = 0; i_size = 0;
for (i = 0; i < *i_nal; i++) { for (i = 0; i < *i_nal; i++) {
int i_data = encoder->buffer_size - i_size - 4; gint i_data = encoder->buffer_size - i_size - 4;
if (i_data < encoder->buffer_size / 2) { if (i_data < nal[i].i_payload * 2) {
encoder->buffer_size *= 2; encoder->buffer_size += 2 * nal[i].i_payload;
encoder->buffer = g_realloc (encoder->buffer, encoder->buffer_size); encoder->buffer = g_realloc (encoder->buffer, encoder->buffer_size);
i_data = encoder->buffer_size - i_size; i_data = encoder->buffer_size - i_size - 4;
} }
nal_size = nal_size =