tail_chunk() returns ob_chunk pointer

Code simplification: since we are not using in-band signalling with
the chunk index anymore, we can just return a pointer to the tail
chunk instead of the index.
This commit is contained in:
Max Kellermann 2008-08-26 08:27:05 +02:00
parent 5df6ff8d22
commit ea51f73285

View File

@ -150,10 +150,10 @@ ob_chunk * ob_get_chunk(const unsigned i)
/**
* Return the tail chunk which has room for additional data.
*
* @return the positive index of the new chunk; -1 if there is no
* @return the chunk which has room for more data; NULL if there is no
* room.
*/
static int tailChunk(float data_time, mpd_uint16 bitRate)
static ob_chunk *tail_chunk(float data_time, mpd_uint16 bitRate)
{
unsigned int next;
ob_chunk *chunk;
@ -165,7 +165,7 @@ static int tailChunk(float data_time, mpd_uint16 bitRate)
next = successor(ob.end);
if (ob.begin == next)
/* no chunks available */
return -1;
return NULL;
output_buffer_expand(next);
chunk = ob_get_chunk(next);
@ -180,7 +180,7 @@ static int tailChunk(float data_time, mpd_uint16 bitRate)
chunk->times = data_time;
}
return ob.end;
return chunk;
}
size_t ob_append(const void *data0, size_t datalen,
@ -191,12 +191,10 @@ size_t ob_append(const void *data0, size_t datalen,
ob_chunk *chunk = NULL;
while (datalen) {
int chunk_index = tailChunk(data_time, bitRate);
if (chunk_index < 0)
chunk = tail_chunk(data_time, bitRate);
if (chunk == NULL)
return ret;
chunk = ob_get_chunk(chunk_index);
dataToSend = sizeof(chunk->data) - chunk->chunkSize;
if (dataToSend > datalen)
dataToSend = datalen;