Merge remote-tracking branch 'qatar/master'

* qatar/master:
  fate: Fix fate-ac3-fixed-encode for pre-ssse3 x86 machines
  http: Pass the proper return code of net IO operations
  http: Add 'post_data', a new option which sets custom HTTP post data
  lavfi: amix: check active input count before calling request_samples
  vp8: move block coeff arithcoder on stack.
  mp3/ac3 probe: search for PES headers to prevent probing MPEG-PS as MP3.

Conflicts:
	libavformat/ac3dec.c
	libavformat/mp3dec.c
	tests/fate/ac3.mak

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 27 insertions, 9 deletions

diff --git a/libavformat/http.c b/libavformat/http.c
index ddba5f59b6..a06946482e 100644
--- a/libavformat/http.c
+++ b/libavformat/http.c
@@ -55,6 +55,8 @@ typedef struct {
     int end_chunked_post;   /**< A flag which indicates if the end of chunked encoding has been sent. */
     int end_header;         /**< A flag which indicates we have finished to read POST reply. */
     int multiple_requests;  /**< A flag which indicates if we use persistent connections. */
+    uint8_t *post_data;
+    int post_datalen;
 } HTTPContext;
 
 #define OFFSET(x) offsetof(HTTPContext, x)
@@ -66,6 +68,7 @@ static const AVOption options[] = {
 {"headers", "custom HTTP headers, can override built in default headers", OFFSET(headers), AV_OPT_TYPE_STRING, { 0 }, 0, 0, D|E },
 {"user-agent", "override User-Agent header", OFFSET(user_agent), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC},
 {"multiple_requests", "use persistent connections", OFFSET(multiple_requests), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 1, D|E },
+{"post_data", "custom HTTP post data", OFFSET(post_data), AV_OPT_TYPE_BINARY, .flags = D|E },
 {NULL}
 };
 #define HTTP_CLASS(flavor)\
@@ -227,7 +230,7 @@ static int http_getc(HTTPContext *s)
     if (s->buf_ptr >= s->buf_end) {
         len = ffurl_read(s->hd, s->buffer, BUFFER_SIZE);
         if (len < 0) {
-            return AVERROR(EIO);
+            return len;
         } else if (len == 0) {
             return -1;
         } else {
@@ -247,7 +250,7 @@ static int http_get_line(HTTPContext *s, char *line, int line_size)
     for(;;) {
         ch = http_getc(s);
         if (ch < 0)
-            return AVERROR(EIO);
+            return ch;
         if (ch == '\n') {
             /* process line */
             if (q > line && q[-1] == '\r')
@@ -354,8 +357,8 @@ static int http_read_header(URLContext *h, int *new_location)
     int err = 0;
 
     for (;;) {
-        if (http_get_line(s, line, sizeof(line)) < 0)
-            return AVERROR(EIO);
+        if ((err = http_get_line(s, line, sizeof(line))) < 0)
+            return err;
 
         av_dlog(NULL, "header='%s'\n", line);
 
@@ -385,6 +388,14 @@ static int http_connect(URLContext *h, const char *path, const char *local_path,
 
     /* send http header */
     post = h->flags & AVIO_FLAG_WRITE;
+
+    if (s->post_data) {
+        /* force POST method and disable chunked encoding when
+         * custom HTTP post data is set */
+        post = 1;
+        s->chunked_post = 0;
+    }
+
     method = post ? "POST" : "GET";
     authstr = ff_http_auth_create_response(&s->auth_state, auth, local_path,
                                            method);
@@ -416,6 +427,9 @@ static int http_connect(URLContext *h, const char *path, const char *local_path,
     if (!has_header(s->headers, "\r\nHost: "))
         len += av_strlcatf(headers + len, sizeof(headers) - len,
                            "Host: %s\r\n", hoststr);
+    if (!has_header(s->headers, "\r\nContent-Length: ") && s->post_data)
+        len += av_strlcatf(headers + len, sizeof(headers) - len,
+                           "Content-Length: %d\r\n", s->post_datalen);
 
     /* now add in custom headers */
     if (s->headers)
@@ -437,8 +451,12 @@ static int http_connect(URLContext *h, const char *path, const char *local_path,
 
     av_freep(&authstr);
     av_freep(&proxyauthstr);
-    if (ffurl_write(s->hd, s->buffer, strlen(s->buffer)) < 0)
-        return AVERROR(EIO);
+    if ((err = ffurl_write(s->hd, s->buffer, strlen(s->buffer))) < 0)
+        return err;
+
+    if (s->post_data)
+        if ((err = ffurl_write(s->hd, s->post_data, s->post_datalen)) < 0)
+            return err;
 
     /* init input buffer */
     s->buf_ptr = s->buffer;
@@ -449,7 +467,7 @@ static int http_connect(URLContext *h, const char *path, const char *local_path,
     s->willclose = 0;
     s->end_chunked_post = 0;
     s->end_header = 0;
-    if (post) {
+    if (post && !s->post_data) {
         /* Pretend that it did work. We didn't read any header yet, since
          * we've still to send the POST data, but the code calling this
          * function will check http_code after we return. */
@@ -512,8 +530,8 @@ static int http_read(URLContext *h, uint8_t *buf, int size)
 
             for(;;) {
                 do {
-                    if (http_get_line(s, line, sizeof(line)) < 0)
-                        return AVERROR(EIO);
+                    if ((err = http_get_line(s, line, sizeof(line))) < 0)
+                        return err;
                 } while (!*line);    /* skip CR LF from last chunk */
 
                 s->chunksize = strtoll(line, NULL, 16);