diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index dfaa4cde4f2ace063459c0ea33d3cd26bb76be8d..b4e056681438da85719c2b291d6e427cad22be24 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -708,56 +708,58 @@ void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y, uint8_
* @return 0 if no coeffs were decoded
* otherwise, the index of the last coeff decoded plus one
*/
-static int decode_block_coeffs_internal(VP56RangeCoder *c, DCTELEM block[16],
+static int decode_block_coeffs_internal(VP56RangeCoder *r, DCTELEM block[16],
uint8_t probs[16][3][NUM_DCT_TOKENS-1],
int i, uint8_t *token_prob, int16_t qmul[2])
{
+ VP56RangeCoder c = *r;
goto skip_eob;
do {
int coeff;
- if (!vp56_rac_get_prob_branchy(c, token_prob[0])) // DCT_EOB
- return i;
+ if (!vp56_rac_get_prob_branchy(&c, token_prob[0])) // DCT_EOB
+ break;
skip_eob:
- if (!vp56_rac_get_prob_branchy(c, token_prob[1])) { // DCT_0
+ if (!vp56_rac_get_prob_branchy(&c, token_prob[1])) { // DCT_0
if (++i == 16)
- return i; // invalid input; blocks should end with EOB
+ break; // invalid input; blocks should end with EOB
token_prob = probs[i][0];
goto skip_eob;
}
- if (!vp56_rac_get_prob_branchy(c, token_prob[2])) { // DCT_1
+ if (!vp56_rac_get_prob_branchy(&c, token_prob[2])) { // DCT_1
coeff = 1;
token_prob = probs[i+1][1];
} else {
- if (!vp56_rac_get_prob_branchy(c, token_prob[3])) { // DCT 2,3,4
- coeff = vp56_rac_get_prob_branchy(c, token_prob[4]);
+ if (!vp56_rac_get_prob_branchy(&c, token_prob[3])) { // DCT 2,3,4
+ coeff = vp56_rac_get_prob_branchy(&c, token_prob[4]);
if (coeff)
- coeff += vp56_rac_get_prob(c, token_prob[5]);
+ coeff += vp56_rac_get_prob(&c, token_prob[5]);
coeff += 2;
} else {
// DCT_CAT*
- if (!vp56_rac_get_prob_branchy(c, token_prob[6])) {
- if (!vp56_rac_get_prob_branchy(c, token_prob[7])) { // DCT_CAT1
- coeff = 5 + vp56_rac_get_prob(c, vp8_dct_cat1_prob[0]);
+ if (!vp56_rac_get_prob_branchy(&c, token_prob[6])) {
+ if (!vp56_rac_get_prob_branchy(&c, token_prob[7])) { // DCT_CAT1
+ coeff = 5 + vp56_rac_get_prob(&c, vp8_dct_cat1_prob[0]);
} else { // DCT_CAT2
coeff = 7;
- coeff += vp56_rac_get_prob(c, vp8_dct_cat2_prob[0]) << 1;
- coeff += vp56_rac_get_prob(c, vp8_dct_cat2_prob[1]);
+ coeff += vp56_rac_get_prob(&c, vp8_dct_cat2_prob[0]) << 1;
+ coeff += vp56_rac_get_prob(&c, vp8_dct_cat2_prob[1]);
}
} else { // DCT_CAT3 and up
- int a = vp56_rac_get_prob(c, token_prob[8]);
- int b = vp56_rac_get_prob(c, token_prob[9+a]);
+ int a = vp56_rac_get_prob(&c, token_prob[8]);
+ int b = vp56_rac_get_prob(&c, token_prob[9+a]);
int cat = (a<<1) + b;
coeff = 3 + (8<<cat);
- coeff += vp8_rac_get_coeff(c, ff_vp8_dct_cat_prob[cat]);
+ coeff += vp8_rac_get_coeff(&c, ff_vp8_dct_cat_prob[cat]);
}
}
token_prob = probs[i+1][2];
}
- block[zigzag_scan[i]] = (vp8_rac_get(c) ? -coeff : coeff) * qmul[!!i];
+ block[zigzag_scan[i]] = (vp8_rac_get(&c) ? -coeff : coeff) * qmul[!!i];
} while (++i < 16);
+ *r = c;
return i;
}
#endif
diff --git a/libavfilter/af_amix.c b/libavfilter/af_amix.c
index 3399b7c051e1251eeb7c7feba23a1b7e44b5e9d2..d4af9a42344626dcff06d34927300c1f531fe2d0 100644
--- a/libavfilter/af_amix.c
+++ b/libavfilter/af_amix.c
@@ -389,6 +389,10 @@ static int request_frame(AVFilterLink *outlink)
int ret;
int wanted_samples, available_samples;
+ ret = calc_active_inputs(s);
+ if (ret < 0)
+ return ret;
+
if (s->input_state[0] == INPUT_OFF) {
ret = request_samples(ctx, 1);
if (ret < 0)
@@ -419,15 +423,16 @@ static int request_frame(AVFilterLink *outlink)
av_assert0(s->frame_list->nb_frames > 0);
wanted_samples = frame_list_next_frame_size(s->frame_list);
- ret = request_samples(ctx, wanted_samples);
- if (ret < 0)
- return ret;
-
- ret = calc_active_inputs(s);
- if (ret < 0)
- return ret;
if (s->active_inputs > 1) {
+ ret = request_samples(ctx, wanted_samples);
+ if (ret < 0)
+ return ret;
+
+ ret = calc_active_inputs(s);
+ if (ret < 0)
+ return ret;
+
available_samples = get_available_samples(s);
if (!available_samples)
return 0;
diff --git a/libavformat/http.c b/libavformat/http.c
index ddba5f59b644cf4a421e624af983740736c68bfb..a06946482ec1a78551d6a9e1f444d7ea12b7fbc2 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);