vf_yadif: add an option to enable/disable deinterlacing based on src frame "interlace...

[ffmpeg] / libavformat / aviobuf.c

diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index 306fe1c6531c074e90de63cd6097cc97a9224dc9..b5e9d4c61cb0d929aa56ed3db8344410ec3ada1f 100644 (file)
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -38,9 +38,7 @@
 #define SHORT_SEEK_THRESHOLD 4096
 
 static void fill_buffer(AVIOContext *s);
-#if !FF_API_URL_RESETBUF
 static int url_resetbuf(AVIOContext *s, int flags);
-#endif
 
 int ffio_init_context(AVIOContext *s,
                   unsigned char *buffer,
@@ -55,7 +53,7 @@ int ffio_init_context(AVIOContext *s,
     s->buffer_size = buffer_size;
     s->buf_ptr = buffer;
     s->opaque = opaque;
-    url_resetbuf(s, write_flag ? URL_WRONLY : URL_RDONLY);
+    url_resetbuf(s, write_flag ? AVIO_FLAG_WRITE : AVIO_FLAG_READ);
     s->write_packet = write_packet;
     s->read_packet = read_packet;
     s->seek = seek;
@@ -115,6 +113,8 @@ AVIOContext *avio_alloc_context(
                   int64_t (*seek)(void *opaque, int64_t offset, int whence))
 {
     AVIOContext *s = av_mallocz(sizeof(AVIOContext));
+    if (!s)
+        return NULL;
     ffio_init_context(s, buffer, buffer_size, write_flag, opaque,
                   read_packet, write_packet, seek);
     return s;
@@ -403,12 +403,12 @@ void put_flush_packet(AVIOContext *s)
 }
 int av_url_read_fpause(AVIOContext *s, int pause)
 {
-    return ffio_read_pause(s, pause);
+    return avio_pause(s, pause);
 }
 int64_t av_url_read_fseek(AVIOContext *s, int stream_index,
                          int64_t timestamp, int flags)
 {
-    return ffio_read_seek(s, stream_index, timestamp, flags);
+    return avio_seek_time(s, stream_index, timestamp, flags);
 }
 void init_checksum(AVIOContext *s,
                    unsigned long (*update_checksum)(unsigned long c, const uint8_t *p, unsigned int len),
@@ -828,7 +828,7 @@ int ffio_fdopen(AVIOContext **s, URLContext *h)
     uint8_t *buffer;
     int buffer_size, max_packet_size;
 
-    max_packet_size = url_get_max_packet_size(h);
+    max_packet_size = h->max_packet_size;
     if (max_packet_size) {
         buffer_size = max_packet_size; /* no need to bufferize more than one packet */
     } else {
@@ -838,19 +838,12 @@ int ffio_fdopen(AVIOContext **s, URLContext *h)
     if (!buffer)
         return AVERROR(ENOMEM);
 
-    *s = av_mallocz(sizeof(AVIOContext));
-    if(!*s) {
+    *s = avio_alloc_context(buffer, buffer_size, h->flags & AVIO_FLAG_WRITE, h,
+                            ffurl_read, ffurl_write, ffurl_seek);
+    if (!*s) {
         av_free(buffer);
         return AVERROR(ENOMEM);
     }
-
-    if (ffio_init_context(*s, buffer, buffer_size,
-                      (h->flags & URL_WRONLY || h->flags & URL_RDWR), h,
-                      ffurl_read, ffurl_write, ffurl_seek) < 0) {
-        av_free(buffer);
-        av_freep(s);
-        return AVERROR(EIO);
-    }
 #if FF_API_OLD_AVIO
     (*s)->is_streamed = h->is_streamed;
 #endif
@@ -874,24 +867,15 @@ int ffio_set_buf_size(AVIOContext *s, int buf_size)
     s->buffer = buffer;
     s->buffer_size = buf_size;
     s->buf_ptr = buffer;
-    url_resetbuf(s, s->write_flag ? URL_WRONLY : URL_RDONLY);
+    url_resetbuf(s, s->write_flag ? AVIO_FLAG_WRITE : AVIO_FLAG_READ);
     return 0;
 }
 
-#if FF_API_URL_RESETBUF
-int url_resetbuf(AVIOContext *s, int flags)
-#else
 static int url_resetbuf(AVIOContext *s, int flags)
-#endif
 {
-#if FF_API_URL_RESETBUF
-    if (flags & URL_RDWR)
-        return AVERROR(EINVAL);
-#else
-    assert(flags == URL_WRONLY || flags == URL_RDONLY);
-#endif
+    assert(flags == AVIO_FLAG_WRITE || flags == AVIO_FLAG_READ);
 
-    if (flags & URL_WRONLY) {
+    if (flags & AVIO_FLAG_WRITE) {
         s->buf_end = s->buffer + s->buffer_size;
         s->write_flag = 1;
     } else {
@@ -950,7 +934,7 @@ int avio_open(AVIOContext **s, const char *filename, int flags)
         return err;
     err = ffio_fdopen(s, h);
     if (err < 0) {
-        url_close(h);
+        ffurl_close(h);
         return err;
     }
     return 0;
@@ -962,7 +946,7 @@ int avio_close(AVIOContext *s)
 
     av_free(s->buffer);
     av_free(s);
-    return url_close(h);
+    return ffurl_close(h);
 }
 
 #if FF_API_OLD_AVIO
@@ -1013,14 +997,14 @@ int url_fget_max_packet_size(AVIOContext *s)
 }
 #endif
 
-int ffio_read_pause(AVIOContext *s, int pause)
+int avio_pause(AVIOContext *s, int pause)
 {
     if (!s->read_pause)
         return AVERROR(ENOSYS);
     return s->read_pause(s->opaque, pause);
 }
 
-int64_t ffio_read_seek(AVIOContext *s, int stream_index,
+int64_t avio_seek_time(AVIOContext *s, int stream_index,
                        int64_t timestamp, int flags)
 {
     URLContext *h = s->opaque;
@@ -1040,9 +1024,6 @@ int64_t ffio_read_seek(AVIOContext *s, int stream_index,
     return ret;
 }
 
-/* avio_open_dyn_buf and avio_close_dyn_buf are used in rtp.c to send a response
- * back to the server even if CONFIG_MUXERS is false. */
-#if CONFIG_MUXERS || CONFIG_NETWORK
 /* buffer handling */
 #if FF_API_OLD_AVIO
 int url_open_buf(AVIOContext **s, uint8_t *buf, int buf_size, int flags)
@@ -1052,7 +1033,7 @@ int url_open_buf(AVIOContext **s, uint8_t *buf, int buf_size, int flags)
     if(!*s)
         return AVERROR(ENOMEM);
     ret = ffio_init_context(*s, buf, buf_size,
-                        (flags & URL_WRONLY || flags & URL_RDWR),
+                            flags & AVIO_FLAG_WRITE,
                         NULL, NULL, NULL, NULL);
     if(ret != 0)
         av_freep(s);
@@ -1189,4 +1170,3 @@ int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer)
     av_free(s);
     return size - padding;
 }
-#endif /* CONFIG_MUXERS || CONFIG_NETWORK */