]> rtime.felk.cvut.cz Git - frescor/ffmpeg.git/commitdiff
More tuning - still not finisher
authorMichal Sojka <sojkam1@fel.cvut.cz>
Fri, 7 May 2010 22:08:32 +0000 (00:08 +0200)
committerMichal Sojka <sojkam1@fel.cvut.cz>
Fri, 7 May 2010 22:08:32 +0000 (00:08 +0200)
libavformat/aviobuf.c

index 1dac20298db2a4b6490f89e8159e8260b790849b..c18e9a030f5594e2606193e55d8b0986d4b076e9 100644 (file)
@@ -95,6 +95,8 @@ static void flush_buffer_o_direct(ByteIOContext *s)
     size_t to_write = (data_len + BLOCK_SIZE - 1) & ~(BLOCK_SIZE - 1);
     size_t whole_blocks = data_len & ~(BLOCK_SIZE - 1);
     int64_t res = AVERROR(EPIPE);
+
+    av_log(NULL, AV_LOG_ERROR, "          really writing %zx\n", to_write);
     if (data_len > 0) {
         if (s->write_packet && !s->error){
             int ret= s->write_packet(s->opaque, s->buffer, to_write);
@@ -121,7 +123,7 @@ static void flush_buffer_o_direct(ByteIOContext *s)
 
 static void flush_buffer(ByteIOContext *s)
 {
-    av_log(NULL, AV_LOG_ERROR, "WRITE %p: pos=%zd len=%zd\n", s, s->pos, s->buf_ptr - s->buffer);
+    av_log(NULL, AV_LOG_ERROR, "WRITE %p: pos=%zx len=%zx\n", s, s->pos, s->buf_ptr - s->buffer);
     if (s->o_direct_flag) {
        flush_buffer_o_direct(s);
        return;
@@ -194,7 +196,7 @@ int64_t url_fseek(ByteIOContext *s, int64_t offset, int whence)
         offset += offset1;
     }
     //if (s->o_direct_flag)
-    av_log(NULL, AV_LOG_ERROR, "SEEK  %p: from %llu to %llu\n", s, pos, offset);
+    av_log(NULL, AV_LOG_ERROR, "SEEK  %p: from %llx to %llx\n", s, pos, offset);
 
     offset1 = offset - pos;
     if (!s->must_flush &&
@@ -202,7 +204,7 @@ int64_t url_fseek(ByteIOContext *s, int64_t offset, int whence)
         /* can do the seek inside the buffer */
         s->buf_ptr = s->buffer + offset1;
        if (s->o_direct_flag)
-           av_log(NULL, AV_LOG_ERROR, "Internal seek by %llu\n", offset1);
+           av_log(NULL, AV_LOG_ERROR, "Internal seek by %llx\n", offset1);
     } else if(s->is_streamed && !s->write_flag &&
               offset1 >= 0 && offset1 < (s->buf_end - s->buffer) + (1<<16)){
         while(s->pos < offset && !s->eof_reached)
@@ -219,13 +221,26 @@ int64_t url_fseek(ByteIOContext *s, int64_t offset, int whence)
             s->must_flush = 1;
         }
 #endif /* CONFIG_MUXERS || CONFIG_NETWORK */
-#warning TODO read the whole block from the file to the buffer
-        if (!s->seek || (res = s->seek(s->opaque, offset, SEEK_SET)) < 0)
-            return res;
-        if (!s->write_flag)
-            s->buf_end = s->buffer;
-        s->buf_ptr = s->buffer;
-        s->pos = offset;
+       if (s->o_direct_flag) {
+           /* Read the whole block from the seek destination */
+           offset1 = offset & ~(BLOCK_SIZE - 1);
+           if (!s->seek || (res = s->seek(s->opaque, offset1, SEEK_SET)) < 0)
+               return res;
+           av_log(NULL, AV_LOG_ERROR, "READ block from %llx\n", offset1);
+           if ((res = s->read_packet(s->opaque, s->buffer, BLOCK_SIZE)) < 0)
+               return res;
+           if (!s->seek || (res = s->seek(s->opaque, offset1, SEEK_SET)) < 0)
+               return res;
+           s->buf_ptr = s->buffer + offset - offset1;
+           s->pos = offset;
+       } else {
+           if (!s->seek || (res = s->seek(s->opaque, offset, SEEK_SET)) < 0)
+               return res;
+           if (!s->write_flag)
+               s->buf_end = s->buffer;
+           s->buf_ptr = s->buffer;
+           s->pos = offset;
+       }
     }
     s->eof_reached = 0;
     return offset;
@@ -660,7 +675,6 @@ int url_fopen(ByteIOContext **s, const char *filename, int flags)
     URLContext *h;
     int err;
 
-    av_log(NULL, AV_LOG_ERROR, "%s: %p %s\n", __func__, s, filename);
     err = url_open(&h, filename, flags);
     if (err < 0)
         return err;