29 if (!iformat && !format)
static const char * format[]
int ff_alloc_input_device_context(AVFormatContext **avctx, AVInputFormat *iformat, const char *format)
void av_opt_set_defaults(void *s)
Set the values of all AVOption fields to their default values.
#define AV_IS_INPUT_DEVICE(category)
AVFormatContext * avformat_alloc_context(void)
Allocate an AVFormatContext.
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
AVClassCategory category
Category used for visualization (like color) This is only set if the category is equal for all object...
AVInputFormat * av_find_input_format(const char *short_name)
Find AVInputFormat based on the short name of the input format.
static void error(const char *err)
static AVInputFormat * iformat
Describe the class of an AVClass context structure.
void avformat_free_context(AVFormatContext *s)
Free an AVFormatContext and all its streams.
struct AVInputFormat * iformat
The input container format.
void * priv_data
Format private data.