[FFmpeg-cvslog] lavf: Constify AVOutputFormat pointer.
Carl Eugen Hoyos
git at videolan.org
Wed Mar 20 19:40:29 EET 2019
ffmpeg | branch: master | Carl Eugen Hoyos <ceffmpeg at gmail.com> | Wed Mar 20 18:38:48 2019 +0100| [9461e4bc694b8d95d4224226b9781f8166d969b1] | committer: Carl Eugen Hoyos
lavf: Constify AVOutputFormat pointer.
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9461e4bc694b8d95d4224226b9781f8166d969b1
---
libavformat/avformat.h | 15 ++++++++++-----
libavformat/fifo.c | 4 ++--
libavformat/format.c | 6 +++---
libavformat/hdsenc.c | 2 +-
libavformat/hlsenc.c | 4 ++--
libavformat/mux.c | 4 ++--
libavformat/rtp.c | 2 +-
libavformat/rtpenc_chain.c | 2 +-
libavformat/rtpenc_mpegts.c | 4 ++--
libavformat/segment.c | 2 +-
libavformat/smoothstreamingenc.c | 2 +-
libavformat/version.h | 3 +++
libavformat/webm_chunk.c | 2 +-
13 files changed, 30 insertions(+), 22 deletions(-)
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index fdaffa5bf4..9ddac9d64a 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -532,7 +532,12 @@ typedef struct AVOutputFormat {
* New public fields should be added right above.
*****************************************************************
*/
- struct AVOutputFormat *next;
+#if FF_API_AVIOFORMAT
+#define ff_const59
+#else
+#define ff_const59 const
+#endif
+ ff_const59 struct AVOutputFormat *next;
/**
* size of private data so that it can be allocated in the wrapper
*/
@@ -1353,7 +1358,7 @@ typedef struct AVFormatContext {
*
* Muxing only, must be set by the caller before avformat_write_header().
*/
- struct AVOutputFormat *oformat;
+ ff_const59 struct AVOutputFormat *oformat;
/**
* Format private data. This is an AVOptions-enabled struct
@@ -2211,7 +2216,7 @@ AVProgram *av_new_program(AVFormatContext *s, int id);
* @return >= 0 in case of success, a negative AVERROR code in case of
* failure
*/
-int avformat_alloc_output_context2(AVFormatContext **ctx, AVOutputFormat *oformat,
+int avformat_alloc_output_context2(AVFormatContext **ctx, ff_const59 AVOutputFormat *oformat,
const char *format_name, const char *filename);
/**
@@ -2687,14 +2692,14 @@ int av_write_trailer(AVFormatContext *s);
* @param mime_type if non-NULL checks if mime_type matches with the
* MIME type of the registered formats
*/
-AVOutputFormat *av_guess_format(const char *short_name,
+ff_const59 AVOutputFormat *av_guess_format(const char *short_name,
const char *filename,
const char *mime_type);
/**
* Guess the codec ID based upon muxer and filename.
*/
-enum AVCodecID av_guess_codec(AVOutputFormat *fmt, const char *short_name,
+enum AVCodecID av_guess_codec(ff_const59 AVOutputFormat *fmt, const char *short_name,
const char *filename, const char *mime_type,
enum AVMediaType type);
diff --git a/libavformat/fifo.c b/libavformat/fifo.c
index 145e2e2660..b403ba717b 100644
--- a/libavformat/fifo.c
+++ b/libavformat/fifo.c
@@ -442,7 +442,7 @@ static void *fifo_consumer_thread(void *data)
return NULL;
}
-static int fifo_mux_init(AVFormatContext *avf, AVOutputFormat *oformat,
+static int fifo_mux_init(AVFormatContext *avf, ff_const59 AVOutputFormat *oformat,
const char *filename)
{
FifoContext *fifo = avf->priv_data;
@@ -481,7 +481,7 @@ static int fifo_mux_init(AVFormatContext *avf, AVOutputFormat *oformat,
static int fifo_init(AVFormatContext *avf)
{
FifoContext *fifo = avf->priv_data;
- AVOutputFormat *oformat;
+ ff_const59 AVOutputFormat *oformat;
int ret = 0;
if (fifo->recovery_wait_streamtime && !fifo->drop_pkts_on_overflow) {
diff --git a/libavformat/format.c b/libavformat/format.c
index 2c4c895530..102535ffef 100644
--- a/libavformat/format.c
+++ b/libavformat/format.c
@@ -48,7 +48,7 @@ int av_match_ext(const char *filename, const char *extensions)
return 0;
}
-AVOutputFormat *av_guess_format(const char *short_name, const char *filename,
+ff_const59 AVOutputFormat *av_guess_format(const char *short_name, const char *filename,
const char *mime_type)
{
const AVOutputFormat *fmt = NULL;
@@ -84,12 +84,12 @@ AVOutputFormat *av_guess_format(const char *short_name, const char *filename,
return fmt_found;
}
-enum AVCodecID av_guess_codec(AVOutputFormat *fmt, const char *short_name,
+enum AVCodecID av_guess_codec(ff_const59 AVOutputFormat *fmt, const char *short_name,
const char *filename, const char *mime_type,
enum AVMediaType type)
{
if (av_match_name("segment", fmt->name) || av_match_name("ssegment", fmt->name)) {
- AVOutputFormat *fmt2 = av_guess_format(NULL, filename, NULL);
+ ff_const59 AVOutputFormat *fmt2 = av_guess_format(NULL, filename, NULL);
if (fmt2)
fmt = fmt2;
}
diff --git a/libavformat/hdsenc.c b/libavformat/hdsenc.c
index d82aee17b9..026530ac36 100644
--- a/libavformat/hdsenc.c
+++ b/libavformat/hdsenc.c
@@ -315,7 +315,7 @@ static int hds_write_header(AVFormatContext *s)
{
HDSContext *c = s->priv_data;
int ret = 0, i;
- AVOutputFormat *oformat;
+ ff_const59 AVOutputFormat *oformat;
if (mkdir(s->url, 0777) == -1 && errno != EEXIST) {
ret = AVERROR(errno);
diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
index 258d0628ba..5f9a200c6e 100644
--- a/libavformat/hlsenc.c
+++ b/libavformat/hlsenc.c
@@ -110,8 +110,8 @@ typedef struct VariantStream {
unsigned var_stream_idx;
unsigned number;
int64_t sequence;
- AVOutputFormat *oformat;
- AVOutputFormat *vtt_oformat;
+ ff_const59 AVOutputFormat *oformat;
+ ff_const59 AVOutputFormat *vtt_oformat;
AVIOContext *out;
int packets_written;
int init_range_length;
diff --git a/libavformat/mux.c b/libavformat/mux.c
index 2847a02a19..83fe1de78f 100644
--- a/libavformat/mux.c
+++ b/libavformat/mux.c
@@ -145,7 +145,7 @@ enum AVChromaLocation ff_choose_chroma_location(AVFormatContext *s, AVStream *st
}
-int avformat_alloc_output_context2(AVFormatContext **avctx, AVOutputFormat *oformat,
+int avformat_alloc_output_context2(AVFormatContext **avctx, ff_const59 AVOutputFormat *oformat,
const char *format, const char *filename)
{
AVFormatContext *s = avformat_alloc_context();
@@ -246,7 +246,7 @@ static int init_muxer(AVFormatContext *s, AVDictionary **options)
AVStream *st;
AVDictionary *tmp = NULL;
AVCodecParameters *par = NULL;
- AVOutputFormat *of = s->oformat;
+ const AVOutputFormat *of = s->oformat;
const AVCodecDescriptor *desc;
AVDictionaryEntry *e;
diff --git a/libavformat/rtp.c b/libavformat/rtp.c
index 4745e54bb0..38e234391b 100644
--- a/libavformat/rtp.c
+++ b/libavformat/rtp.c
@@ -91,7 +91,7 @@ int ff_rtp_get_payload_type(AVFormatContext *fmt,
AVCodecParameters *par, int idx)
{
int i;
- AVOutputFormat *ofmt = fmt ? fmt->oformat : NULL;
+ const AVOutputFormat *ofmt = fmt ? fmt->oformat : NULL;
/* Was the payload type already specified for the RTP muxer? */
if (ofmt && ofmt->priv_class && fmt->priv_data) {
diff --git a/libavformat/rtpenc_chain.c b/libavformat/rtpenc_chain.c
index e7a4dffaba..e6b603db70 100644
--- a/libavformat/rtpenc_chain.c
+++ b/libavformat/rtpenc_chain.c
@@ -31,7 +31,7 @@ int ff_rtp_chain_mux_open(AVFormatContext **out, AVFormatContext *s,
{
AVFormatContext *rtpctx = NULL;
int ret;
- AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
+ ff_const59 AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
uint8_t *rtpflags;
AVDictionary *opts = NULL;
diff --git a/libavformat/rtpenc_mpegts.c b/libavformat/rtpenc_mpegts.c
index 5f81e1a145..969dbff3d6 100644
--- a/libavformat/rtpenc_mpegts.c
+++ b/libavformat/rtpenc_mpegts.c
@@ -48,8 +48,8 @@ static int rtp_mpegts_write_header(AVFormatContext *s)
{
struct MuxChain *chain = s->priv_data;
AVFormatContext *mpegts_ctx = NULL, *rtp_ctx = NULL;
- AVOutputFormat *mpegts_format = av_guess_format("mpegts", NULL, NULL);
- AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
+ ff_const59 AVOutputFormat *mpegts_format = av_guess_format("mpegts", NULL, NULL);
+ ff_const59 AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
int i, ret = AVERROR(ENOMEM);
AVStream *st;
diff --git a/libavformat/segment.c b/libavformat/segment.c
index e2ac2c3a7f..90004600bd 100644
--- a/libavformat/segment.c
+++ b/libavformat/segment.c
@@ -72,7 +72,7 @@ typedef struct SegmentContext {
int segment_idx_wrap; ///< number after which the index wraps
int segment_idx_wrap_nb; ///< number of time the index has wraped
int segment_count; ///< number of segment files already written
- AVOutputFormat *oformat;
+ ff_const59 AVOutputFormat *oformat;
AVFormatContext *avf;
char *format; ///< format to use for output segment files
char *format_options_str; ///< format options to use for output segment files
diff --git a/libavformat/smoothstreamingenc.c b/libavformat/smoothstreamingenc.c
index bd7f841dc7..1ed19ebb2f 100644
--- a/libavformat/smoothstreamingenc.c
+++ b/libavformat/smoothstreamingenc.c
@@ -293,7 +293,7 @@ static int ism_write_header(AVFormatContext *s)
{
SmoothStreamingContext *c = s->priv_data;
int ret = 0, i;
- AVOutputFormat *oformat;
+ ff_const59 AVOutputFormat *oformat;
if (mkdir(s->url, 0777) == -1 && errno != EEXIST) {
ret = AVERROR(errno);
diff --git a/libavformat/version.h b/libavformat/version.h
index 2e83eb4f23..69d3f691f0 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -103,6 +103,9 @@
#ifndef FF_API_LAVF_MP4A_LATM
#define FF_API_LAVF_MP4A_LATM (LIBAVFORMAT_VERSION_MAJOR < 59)
#endif
+#ifndef FF_API_AVIOFORMAT
+#define FF_API_AVIOFORMAT (LIBAVFORMAT_VERSION_MAJOR < 59)
+#endif
#ifndef FF_API_R_FRAME_RATE
diff --git a/libavformat/webm_chunk.c b/libavformat/webm_chunk.c
index 7ceb276fc4..ec1ec4bf91 100644
--- a/libavformat/webm_chunk.c
+++ b/libavformat/webm_chunk.c
@@ -53,7 +53,7 @@ typedef struct WebMChunkContext {
char *http_method;
uint64_t duration_written;
int prev_pts;
- AVOutputFormat *oformat;
+ ff_const59 AVOutputFormat *oformat;
AVFormatContext *avf;
} WebMChunkContext;
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