[FFmpeg-devel] [PATCH 6/7] avformat/imf: refactor to use avutil/uuid
Zane van Iperen
zane at zanevaniperen.com
Tue Feb 22 15:01:52 EET 2022
From: Pierre-Anthony Lemieux <pal at palemieux.com>
Signed-off-by: Pierre-Anthony Lemieux <pal at palemieux.com>
Signed-off-by: Zane van Iperen <zane at zanevaniperen.com>
---
libavformat/imf.h | 18 ++++---------
libavformat/imf_cpl.c | 60 +++++++++++++++--------------------------
libavformat/imfdec.c | 34 +++++++++++------------
libavformat/tests/imf.c | 18 ++++++-------
4 files changed, 52 insertions(+), 78 deletions(-)
diff --git a/libavformat/imf.h b/libavformat/imf.h
index 62c4468ce9..4271cd9582 100644
--- a/libavformat/imf.h
+++ b/libavformat/imf.h
@@ -58,17 +58,9 @@
#include "avformat.h"
#include "libavformat/avio.h"
#include "libavutil/rational.h"
+#include "libavutil/uuid.h"
#include <libxml/tree.h>
-#define FF_IMF_UUID_FORMAT \
- "urn:uuid:%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-" \
- "%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
-
-/**
- * UUID as defined in IETF RFC 422
- */
-typedef uint8_t FFIMFUUID[16];
-
/**
* IMF Composition Playlist Base Resource
*/
@@ -84,7 +76,7 @@ typedef struct FFIMFBaseResource {
*/
typedef struct FFIMFTrackFileResource {
FFIMFBaseResource base;
- FFIMFUUID track_file_uuid; /**< TrackFileResourceType/TrackFileId */
+ AVUUID track_file_uuid; /**< TrackFileResourceType/TrackFileId */
} FFIMFTrackFileResource;
/**
@@ -109,7 +101,7 @@ typedef struct FFIMFMarkerResource {
* IMF Composition Playlist Virtual Track
*/
typedef struct FFIMFBaseVirtualTrack {
- FFIMFUUID id_uuid; /**< TrackId associated with the Virtual Track */
+ AVUUID id_uuid; /**< TrackId associated with the Virtual Track */
} FFIMFBaseVirtualTrack;
/**
@@ -135,7 +127,7 @@ typedef struct FFIMFMarkerVirtualTrack {
* IMF Composition Playlist
*/
typedef struct FFIMFCPL {
- FFIMFUUID id_uuid; /**< CompositionPlaylist/Id element */
+ AVUUID id_uuid; /**< CompositionPlaylist/Id element */
xmlChar *content_title_utf8; /**< CompositionPlaylist/ContentTitle element */
AVRational edit_rate; /**< CompositionPlaylist/EditRate element */
FFIMFMarkerVirtualTrack *main_markers_track; /**< Main Marker Virtual Track */
@@ -196,7 +188,7 @@ int ff_imf_xml_read_rational(xmlNodePtr element, AVRational *rational);
* Reads a UUID from an XML element
* @return 0 on success, < 0 AVERROR code on error.
*/
-int ff_imf_xml_read_uuid(xmlNodePtr element, uint8_t uuid[16]);
+int ff_imf_xml_read_uuid(xmlNodePtr element, AVUUID uuid);
/**
* Returns the first child element with the specified local name
diff --git a/libavformat/imf_cpl.c b/libavformat/imf_cpl.c
index 102a6b4549..c0d43cbfad 100644
--- a/libavformat/imf_cpl.c
+++ b/libavformat/imf_cpl.c
@@ -70,32 +70,14 @@ xmlNodePtr ff_imf_xml_get_child_element_by_name(xmlNodePtr parent, const char *n
return NULL;
}
-int ff_imf_xml_read_uuid(xmlNodePtr element, uint8_t uuid[16])
+int ff_imf_xml_read_uuid(xmlNodePtr element, AVUUID uuid)
{
xmlChar *element_text = NULL;
- int scanf_ret;
int ret = 0;
element_text = xmlNodeListGetString(element->doc, element->xmlChildrenNode, 1);
- scanf_ret = sscanf(element_text,
- FF_IMF_UUID_FORMAT,
- &uuid[0],
- &uuid[1],
- &uuid[2],
- &uuid[3],
- &uuid[4],
- &uuid[5],
- &uuid[6],
- &uuid[7],
- &uuid[8],
- &uuid[9],
- &uuid[10],
- &uuid[11],
- &uuid[12],
- &uuid[13],
- &uuid[14],
- &uuid[15]);
- if (scanf_ret != 16) {
+ ret = av_uuid_urn_parse(element_text, uuid);
+ if (ret) {
av_log(NULL, AV_LOG_ERROR, "Invalid UUID\n");
ret = AVERROR_INVALIDDATA;
}
@@ -370,7 +352,7 @@ static int fill_marker_resource(xmlNodePtr marker_resource_elem,
static int push_marker_sequence(xmlNodePtr marker_sequence_elem, FFIMFCPL *cpl)
{
int ret = 0;
- uint8_t uuid[16];
+ AVUUID uuid;
xmlNodePtr resource_list_elem = NULL;
xmlNodePtr resource_elem = NULL;
xmlNodePtr track_id_elem = NULL;
@@ -388,8 +370,8 @@ static int push_marker_sequence(xmlNodePtr marker_sequence_elem, FFIMFCPL *cpl)
}
av_log(NULL,
AV_LOG_DEBUG,
- "Processing IMF CPL Marker Sequence for Virtual Track " FF_IMF_UUID_FORMAT "\n",
- UID_ARG(uuid));
+ "Processing IMF CPL Marker Sequence for Virtual Track " AV_PRI_UUID "\n",
+ AV_UUID_ARG(uuid));
/* create main marker virtual track if it does not exist */
if (!cpl->main_markers_track) {
@@ -397,9 +379,9 @@ static int push_marker_sequence(xmlNodePtr marker_sequence_elem, FFIMFCPL *cpl)
if (!cpl->main_markers_track)
return AVERROR(ENOMEM);
imf_marker_virtual_track_init(cpl->main_markers_track);
- memcpy(cpl->main_markers_track->base.id_uuid, uuid, sizeof(uuid));
+ av_uuid_copy(cpl->main_markers_track->base.id_uuid, uuid);
- } else if (memcmp(cpl->main_markers_track->base.id_uuid, uuid, sizeof(uuid)) != 0) {
+ } else if (!av_uuid_equal(cpl->main_markers_track->base.id_uuid, uuid)) {
av_log(NULL, AV_LOG_ERROR, "Multiple marker virtual tracks were found\n");
return AVERROR_INVALIDDATA;
}
@@ -457,7 +439,7 @@ static int has_stereo_resources(xmlNodePtr element)
static int push_main_audio_sequence(xmlNodePtr audio_sequence_elem, FFIMFCPL *cpl)
{
int ret = 0;
- uint8_t uuid[16];
+ AVUUID uuid;
xmlNodePtr resource_list_elem = NULL;
xmlNodePtr resource_elem = NULL;
xmlNodePtr track_id_elem = NULL;
@@ -476,12 +458,12 @@ static int push_main_audio_sequence(xmlNodePtr audio_sequence_elem, FFIMFCPL *cp
}
av_log(NULL,
AV_LOG_DEBUG,
- "Processing IMF CPL Audio Sequence for Virtual Track " FF_IMF_UUID_FORMAT "\n",
- UID_ARG(uuid));
+ "Processing IMF CPL Audio Sequence for Virtual Track " AV_PRI_UUID "\n",
+ AV_UUID_ARG(uuid));
/* get the main audio virtual track corresponding to the sequence */
for (uint32_t i = 0; i < cpl->main_audio_track_count; i++) {
- if (memcmp(cpl->main_audio_tracks[i].base.id_uuid, uuid, sizeof(uuid)) == 0) {
+ if (av_uuid_equal(cpl->main_audio_tracks[i].base.id_uuid, uuid)) {
vt = &cpl->main_audio_tracks[i];
break;
}
@@ -501,7 +483,7 @@ static int push_main_audio_sequence(xmlNodePtr audio_sequence_elem, FFIMFCPL *cp
vt = &cpl->main_audio_tracks[cpl->main_audio_track_count];
imf_trackfile_virtual_track_init(vt);
cpl->main_audio_track_count++;
- memcpy(vt->base.id_uuid, uuid, sizeof(uuid));
+ av_uuid_copy(vt->base.id_uuid, uuid);
}
/* process resources */
@@ -544,7 +526,7 @@ static int push_main_audio_sequence(xmlNodePtr audio_sequence_elem, FFIMFCPL *cp
static int push_main_image_2d_sequence(xmlNodePtr image_sequence_elem, FFIMFCPL *cpl)
{
int ret = 0;
- uint8_t uuid[16];
+ AVUUID uuid;
xmlNodePtr resource_list_elem = NULL;
xmlNodePtr resource_elem = NULL;
xmlNodePtr track_id_elem = NULL;
@@ -573,16 +555,16 @@ static int push_main_image_2d_sequence(xmlNodePtr image_sequence_elem, FFIMFCPL
if (!cpl->main_image_2d_track)
return AVERROR(ENOMEM);
imf_trackfile_virtual_track_init(cpl->main_image_2d_track);
- memcpy(cpl->main_image_2d_track->base.id_uuid, uuid, sizeof(uuid));
+ av_uuid_copy(cpl->main_image_2d_track->base.id_uuid, uuid);
- } else if (memcmp(cpl->main_image_2d_track->base.id_uuid, uuid, sizeof(uuid)) != 0) {
+ } else if (!av_uuid_equal(cpl->main_image_2d_track->base.id_uuid, uuid)) {
av_log(NULL, AV_LOG_ERROR, "Multiple MainImage virtual tracks found\n");
return AVERROR_INVALIDDATA;
}
av_log(NULL,
AV_LOG_DEBUG,
- "Processing IMF CPL Main Image Sequence for Virtual Track " FF_IMF_UUID_FORMAT "\n",
- UID_ARG(uuid));
+ "Processing IMF CPL Main Image Sequence for Virtual Track " AV_PRI_UUID "\n",
+ AV_UUID_ARG(uuid));
/* process resources */
resource_list_elem = ff_imf_xml_get_child_element_by_name(image_sequence_elem, "ResourceList");
@@ -746,7 +728,7 @@ static void imf_trackfile_virtual_track_free(FFIMFTrackFileVirtualTrack *vt)
static void imf_cpl_init(FFIMFCPL *cpl)
{
- memset(cpl->id_uuid, 0, sizeof(cpl->id_uuid));
+ av_uuid_nil_set(cpl->id_uuid);
cpl->content_title_utf8 = NULL;
cpl->edit_rate = av_make_q(0, 1);
cpl->main_markers_track = NULL;
@@ -828,8 +810,8 @@ int ff_imf_parse_cpl(AVIOContext *in, FFIMFCPL **cpl)
(*cpl)->content_title_utf8);
av_log(NULL,
AV_LOG_INFO,
- "IMF CPL Id: " FF_IMF_UUID_FORMAT "\n",
- UID_ARG((*cpl)->id_uuid));
+ "IMF CPL Id: " AV_PRI_UUID "\n",
+ AV_UUID_ARG((*cpl)->id_uuid));
}
xmlFreeDoc(doc);
diff --git a/libavformat/imfdec.c b/libavformat/imfdec.c
index 3ce850b75a..8a6457d5cc 100644
--- a/libavformat/imfdec.c
+++ b/libavformat/imfdec.c
@@ -82,7 +82,7 @@
* IMF Asset locator
*/
typedef struct IMFAssetLocator {
- FFIMFUUID uuid;
+ AVUUID uuid;
char *absolute_uri;
} IMFAssetLocator;
@@ -222,7 +222,7 @@ static int parse_imf_asset_map_from_xml_dom(AVFormatContext *s,
return AVERROR_INVALIDDATA;
}
- av_log(s, AV_LOG_DEBUG, "Found asset id: " FF_IMF_UUID_FORMAT "\n", UID_ARG(asset->uuid));
+ av_log(s, AV_LOG_DEBUG, "Found asset id: " AV_PRI_URN_UUID "\n", AV_UUID_ARG(asset->uuid));
if (!(node = ff_imf_xml_get_child_element_by_name(asset_element, "ChunkList"))) {
av_log(s, AV_LOG_ERROR, "Unable to parse asset map XML - missing ChunkList node\n");
@@ -330,7 +330,7 @@ clean_up:
return ret;
}
-static IMFAssetLocator *find_asset_map_locator(IMFAssetLocatorMap *asset_map, FFIMFUUID uuid)
+static IMFAssetLocator *find_asset_map_locator(IMFAssetLocatorMap *asset_map, AVUUID uuid)
{
for (uint32_t i = 0; i < asset_map->asset_count; i++) {
if (memcmp(asset_map->assets[i].uuid, uuid, 16) == 0)
@@ -451,15 +451,15 @@ static int open_track_file_resource(AVFormatContext *s,
if (!asset_locator) {
av_log(s,
AV_LOG_ERROR,
- "Could not find asset locator for UUID: " FF_IMF_UUID_FORMAT "\n",
- UID_ARG(track_file_resource->track_file_uuid));
+ "Could not find asset locator for UUID: " AV_PRI_URN_UUID "\n",
+ AV_UUID_ARG(track_file_resource->track_file_uuid));
return AVERROR_INVALIDDATA;
}
av_log(s,
AV_LOG_DEBUG,
- "Found locator for " FF_IMF_UUID_FORMAT ": %s\n",
- UID_ARG(asset_locator->uuid),
+ "Found locator for " AV_PRI_URN_UUID ": %s\n",
+ AV_UUID_ARG(asset_locator->uuid),
asset_locator->absolute_uri);
if (track->resource_count > INT32_MAX - track_file_resource->base.repeat_count
@@ -521,14 +521,14 @@ static int open_virtual_track(AVFormatContext *s,
for (uint32_t i = 0; i < virtual_track->resource_count; i++) {
av_log(s,
AV_LOG_DEBUG,
- "Open stream from file " FF_IMF_UUID_FORMAT ", stream %d\n",
- UID_ARG(virtual_track->resources[i].track_file_uuid),
+ "Open stream from file " AV_PRI_URN_UUID ", stream %d\n",
+ AV_UUID_ARG(virtual_track->resources[i].track_file_uuid),
i);
if ((ret = open_track_file_resource(s, &virtual_track->resources[i], track)) != 0) {
av_log(s,
AV_LOG_ERROR,
- "Could not open image track resource " FF_IMF_UUID_FORMAT "\n",
- UID_ARG(virtual_track->resources[i].track_file_uuid));
+ "Could not open image track resource " AV_PRI_URN_UUID "\n",
+ AV_UUID_ARG(virtual_track->resources[i].track_file_uuid));
goto clean_up;
}
}
@@ -604,8 +604,8 @@ static int open_cpl_tracks(AVFormatContext *s)
if ((ret = open_virtual_track(s, c->cpl->main_image_2d_track, track_index++)) != 0) {
av_log(s,
AV_LOG_ERROR,
- "Could not open image track " FF_IMF_UUID_FORMAT "\n",
- UID_ARG(c->cpl->main_image_2d_track->base.id_uuid));
+ "Could not open image track " AV_PRI_URN_UUID "\n",
+ AV_UUID_ARG(c->cpl->main_image_2d_track->base.id_uuid));
return ret;
}
}
@@ -614,8 +614,8 @@ static int open_cpl_tracks(AVFormatContext *s)
if ((ret = open_virtual_track(s, &c->cpl->main_audio_tracks[i], track_index++)) != 0) {
av_log(s,
AV_LOG_ERROR,
- "Could not open audio track " FF_IMF_UUID_FORMAT "\n",
- UID_ARG(c->cpl->main_audio_tracks[i].base.id_uuid));
+ "Could not open audio track " AV_PRI_URN_UUID "\n",
+ AV_UUID_ARG(c->cpl->main_audio_tracks[i].base.id_uuid));
return ret;
}
}
@@ -649,8 +649,8 @@ static int imf_read_header(AVFormatContext *s)
av_log(s,
AV_LOG_DEBUG,
- "parsed IMF CPL: " FF_IMF_UUID_FORMAT "\n",
- UID_ARG(c->cpl->id_uuid));
+ "parsed IMF CPL: " AV_PRI_URN_UUID "\n",
+ AV_UUID_ARG(c->cpl->id_uuid));
if (!c->asset_map_paths) {
c->asset_map_paths = av_append_path_component(c->base_url, "ASSETMAP.xml");
diff --git a/libavformat/tests/imf.c b/libavformat/tests/imf.c
index 142aa04261..e65629ccbc 100644
--- a/libavformat/tests/imf.c
+++ b/libavformat/tests/imf.c
@@ -304,7 +304,7 @@ static int test_cpl_parsing(void)
}
printf("%s\n", cpl->content_title_utf8);
- printf(FF_IMF_UUID_FORMAT "\n", UID_ARG(cpl->id_uuid));
+ printf(AV_PRI_URN_UUID "\n", AV_UUID_ARG(cpl->id_uuid));
printf("%i %i\n", cpl->edit_rate.num, cpl->edit_rate.den);
printf("Marker resource count: %" PRIu32 "\n", cpl->main_markers_track->resource_count);
@@ -320,7 +320,7 @@ static int test_cpl_parsing(void)
printf("Main image resource count: %" PRIu32 "\n", cpl->main_image_2d_track->resource_count);
for (uint32_t i = 0; i < cpl->main_image_2d_track->resource_count; i++) {
printf("Track file resource %" PRIu32 "\n", i);
- printf(" " FF_IMF_UUID_FORMAT "\n", UID_ARG(cpl->main_image_2d_track->resources[i].track_file_uuid));
+ printf(" " AV_PRI_URN_UUID "\n", AV_UUID_ARG(cpl->main_image_2d_track->resources[i].track_file_uuid));
}
printf("Main audio track count: %" PRIu32 "\n", cpl->main_audio_track_count);
@@ -329,7 +329,7 @@ static int test_cpl_parsing(void)
printf(" Main audio resource count: %" PRIu32 "\n", cpl->main_audio_tracks[i].resource_count);
for (uint32_t j = 0; j < cpl->main_audio_tracks[i].resource_count; j++) {
printf(" Track file resource %" PRIu32 "\n", j);
- printf(" " FF_IMF_UUID_FORMAT "\n", UID_ARG(cpl->main_audio_tracks[i].resources[j].track_file_uuid));
+ printf(" " AV_PRI_URN_UUID "\n", AV_UUID_ARG(cpl->main_audio_tracks[i].resources[j].track_file_uuid));
}
}
@@ -363,15 +363,15 @@ static int test_bad_cpl_parsing(void)
static int check_asset_locator_attributes(IMFAssetLocator *asset, IMFAssetLocator *expected_asset)
{
- printf("\tCompare " FF_IMF_UUID_FORMAT " to " FF_IMF_UUID_FORMAT ".\n",
- UID_ARG(asset->uuid),
- UID_ARG(expected_asset->uuid));
+ printf("\tCompare " AV_PRI_URN_UUID " to " AV_PRI_URN_UUID ".\n",
+ AV_UUID_ARG(asset->uuid),
+ AV_UUID_ARG(expected_asset->uuid));
for (uint32_t i = 0; i < 16; ++i) {
if (asset->uuid[i] != expected_asset->uuid[i]) {
- printf("Invalid asset locator UUID: found " FF_IMF_UUID_FORMAT " instead of " FF_IMF_UUID_FORMAT " expected.\n",
- UID_ARG(asset->uuid),
- UID_ARG(expected_asset->uuid));
+ printf("Invalid asset locator UUID: found " AV_PRI_URN_UUID " instead of " AV_PRI_URN_UUID " expected.\n",
+ AV_UUID_ARG(asset->uuid),
+ AV_UUID_ARG(expected_asset->uuid));
return 1;
}
}
--
2.35.1
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